{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE MonadComprehensions #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE ViewPatterns #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE OverloadedStrings #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
{-# LANGUAGE InstanceSigs #-}
module GHC.Tc.Errors.Ppr
( pprTypeDoesNotHaveFixedRuntimeRep
, pprScopeError
, tidySkolemInfo
, tidySkolemInfoAnon
, pprHsDocContext
, inHsDocContext
, TcRnMessageOpts(..)
, pprTyThingUsedWrong
, pprUntouchableVariable
, mismatchMsg_ExpectedActuals
, messageWithInfoDiagnosticMessage
, messageWithHsDocContext
)
where
import GHC.Prelude
import qualified GHC.Internal.TH.Syntax as TH
import qualified GHC.Internal.TH.Ppr as TH
import GHC.Builtin.Names
import GHC.Builtin.Types ( boxedRepDataConTyCon, tYPETyCon, filterCTuple, pretendNameIsInScope )
import GHC.Types.Name.Reader
import GHC.Unit.Module.ModIface
import GHC.Unit.Module.Warnings
import GHC.Core.Coercion
import GHC.Core.Unify ( tcMatchTys )
import GHC.Core.TyCon
import GHC.Core.Class
import GHC.Core.DataCon
import GHC.Core.Coercion.Axiom (CoAxBranch, coAxiomTyCon, coAxiomSingleBranch)
import GHC.Core.ConLike
import GHC.Core.FamInstEnv ( FamInst(..), famInstAxiom, pprFamInst )
import GHC.Core.InstEnv
import GHC.Core.TyCo.Rep (Type(..))
import GHC.Core.TyCo.Ppr (pprWithInvisibleBitsWhen, pprSourceTyCon,
pprTyVars, pprWithTYPE, pprTyVar, pprTidiedType)
import GHC.Core.PatSyn ( patSynName, pprPatSynType )
import GHC.Core.Predicate
import GHC.Core.Type
import GHC.Core.FVs( orphNamesOfTypes )
import GHC.CoreToIface
import GHC.Driver.Flags
import GHC.Driver.Backend
import GHC.Hs
import GHC.Tc.Errors.Types
import GHC.Tc.Types.BasicTypes
import GHC.Tc.Types.Constraint
import GHC.Tc.Types.Origin hiding ( Position(..) )
import GHC.Tc.Types.CtLoc
import GHC.Tc.Types.Rank (Rank(..))
import GHC.Tc.Types.TH
import GHC.Tc.Utils.TcType
import GHC.Types.DefaultEnv (ClassDefaults(ClassDefaults, cd_types, cd_module))
import GHC.Types.Error
import GHC.Types.Error.Codes
import GHC.Types.Hint
import GHC.Types.Hint.Ppr ()
import GHC.Types.Basic
import GHC.Types.Id
import GHC.Types.Id.Info ( RecSelParent(..) )
import GHC.Types.Name
import GHC.Types.Name.Env
import GHC.Types.Name.Set
import GHC.Types.SourceFile
import GHC.Types.SrcLoc
import GHC.Types.TyThing
import GHC.Types.TyThing.Ppr ( pprTyThingInContext )
import GHC.Types.Unique.Set ( nonDetEltsUniqSet )
import GHC.Types.Var
import GHC.Types.Var.Set
import GHC.Types.Var.Env
import GHC.Types.Fixity (defaultFixity)
import GHC.Iface.Errors.Types
import GHC.Iface.Errors.Ppr
import GHC.Iface.Syntax
import GHC.Unit.State
import GHC.Unit.Module
import GHC.Data.Bag
import GHC.Data.FastString
import GHC.Data.List.SetOps ( nubOrdBy )
import GHC.Data.Maybe
import GHC.Data.Pair
import GHC.Settings.Constants (mAX_TUPLE_SIZE, mAX_CTUPLE_SIZE)
import GHC.Utils.Misc
import GHC.Utils.Outputable
import GHC.Utils.Panic
import qualified GHC.LanguageExtensions as LangExt
import GHC.Data.BooleanFormula (pprBooleanFormulaNice)
import Data.List.NonEmpty (NonEmpty(..))
import qualified Data.List.NonEmpty as NE
import Data.Foldable ( fold )
import Data.Function (on)
import Data.List ( groupBy, sortBy, tails
, partition, unfoldr )
import Data.Ord ( comparing )
import Data.Bifunctor
defaultTcRnMessageOpts :: TcRnMessageOpts
defaultTcRnMessageOpts :: TcRnMessageOpts
defaultTcRnMessageOpts = TcRnMessageOpts { tcOptsShowContext :: Bool
tcOptsShowContext = Bool
True
, tcOptsIfaceOpts :: IfaceMessageOpts
tcOptsIfaceOpts = forall opts.
HasDefaultDiagnosticOpts (DiagnosticOpts opts) =>
DiagnosticOpts opts
defaultDiagnosticOpts @IfaceMessage }
instance HasDefaultDiagnosticOpts TcRnMessageOpts where
defaultOpts :: TcRnMessageOpts
defaultOpts = TcRnMessageOpts
defaultTcRnMessageOpts
instance Diagnostic TcRnMessage where
type DiagnosticOpts TcRnMessage = TcRnMessageOpts
diagnosticMessage :: DiagnosticOpts TcRnMessage -> TcRnMessage -> DecoratedSDoc
diagnosticMessage DiagnosticOpts TcRnMessage
opts = \case
TcRnUnknownMessage (UnknownDiagnostic DiagnosticOpts TcRnMessage -> DiagnosticOpts a
f a
m)
-> DiagnosticOpts a -> a -> DecoratedSDoc
forall a. Diagnostic a => DiagnosticOpts a -> a -> DecoratedSDoc
diagnosticMessage (DiagnosticOpts TcRnMessage -> DiagnosticOpts a
f DiagnosticOpts TcRnMessage
opts) a
m
TcRnMessageWithInfo UnitState
unit_state TcRnMessageDetailed
msg_with_info
-> case TcRnMessageDetailed
msg_with_info of
TcRnMessageDetailed ErrInfo
err_info TcRnMessage
msg
-> UnitState -> ErrInfo -> Bool -> DecoratedSDoc -> DecoratedSDoc
messageWithInfoDiagnosticMessage UnitState
unit_state ErrInfo
err_info
(TcRnMessageOpts -> Bool
tcOptsShowContext DiagnosticOpts TcRnMessage
TcRnMessageOpts
opts)
(DiagnosticOpts TcRnMessage -> TcRnMessage -> DecoratedSDoc
forall a. Diagnostic a => DiagnosticOpts a -> a -> DecoratedSDoc
diagnosticMessage DiagnosticOpts TcRnMessage
opts TcRnMessage
msg)
TcRnWithHsDocContext HsDocContext
ctxt TcRnMessage
msg
-> TcRnMessageOpts -> HsDocContext -> DecoratedSDoc -> DecoratedSDoc
messageWithHsDocContext DiagnosticOpts TcRnMessage
TcRnMessageOpts
opts HsDocContext
ctxt (DiagnosticOpts TcRnMessage -> TcRnMessage -> DecoratedSDoc
forall a. Diagnostic a => DiagnosticOpts a -> a -> DecoratedSDoc
diagnosticMessage DiagnosticOpts TcRnMessage
opts TcRnMessage
msg)
TcRnSolverReport SolverReportWithCtxt
msg DiagnosticReason
_
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ SolverReportWithCtxt -> SDoc
pprSolverReportWithCtxt SolverReportWithCtxt
msg
TcRnSolverDepthError Type
ty SubGoalDepth
depth -> SDoc -> DecoratedSDoc
mkSimpleDecorated SDoc
msg
where
msg :: SDoc
msg =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Reduction stack overflow; size =" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SubGoalDepth -> SDoc
forall a. Outputable a => a -> SDoc
ppr SubGoalDepth
depth
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"When simplifying the following type:")
Arity
2 (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty) ]
TcRnRedundantConstraints [TyVar]
redundants (SkolemInfoAnon
info, Bool
show_info)
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Redundant constraint" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
redundants SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
pprEvVarTheta [TyVar]
redundants
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ if Bool
show_info then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"In" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SkolemInfoAnon -> SDoc
forall a. Outputable a => a -> SDoc
ppr SkolemInfoAnon
info else SDoc
forall doc. IsOutput doc => doc
empty
TcRnInaccessibleCode Implication
implic SolverReportWithCtxt
contra
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Inaccessible code in")
Arity
2 (SkolemInfoAnon -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Implication -> SkolemInfoAnon
ic_info Implication
implic))
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SolverReportWithCtxt -> SDoc
pprSolverReportWithCtxt SolverReportWithCtxt
contra
TcRnInaccessibleCoAxBranch TyCon
fam_tc CoAxBranch
cur_branch
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type family instance equation is overlapped:" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
Arity -> SDoc -> SDoc
nest Arity
2 (TyCon -> CoAxBranch -> SDoc
pprCoAxBranchUser TyCon
fam_tc CoAxBranch
cur_branch)
TcRnTypeDoesNotHaveFixedRuntimeRep Type
ty FixedRuntimeRepProvenance
prov (ErrInfo SDoc
extra SDoc
supplementary)
-> [SDoc] -> DecoratedSDoc
mkDecorated [Type -> FixedRuntimeRepProvenance -> SDoc
pprTypeDoesNotHaveFixedRuntimeRep Type
ty FixedRuntimeRepProvenance
prov, SDoc
extra, SDoc
supplementary]
TcRnImplicitLift Name
id_or_name ErrInfo{SDoc
errInfoContext :: SDoc
errInfoSupplementary :: SDoc
errInfoSupplementary :: ErrInfo -> SDoc
errInfoContext :: ErrInfo -> SDoc
..}
-> [SDoc] -> DecoratedSDoc
mkDecorated ([SDoc] -> DecoratedSDoc) -> [SDoc] -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
( [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
id_or_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is implicitly lifted in the TH quotation"
) SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: [SDoc
errInfoContext, SDoc
errInfoSupplementary]
TcRnUnusedPatternBinds HsBind (GhcPass 'Renamed)
bind
-> [SDoc] -> DecoratedSDoc
mkDecorated [SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"This pattern-binding binds no variables:") Arity
2 (HsBind (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsBind (GhcPass 'Renamed)
bind)]
TcRnDodgyImports (DodgyImportsEmptyParent GlobalRdrElt
gre)
-> [SDoc] -> DecoratedSDoc
mkDecorated [SDoc -> GlobalRdrElt -> IE (GhcPass 'Renamed) -> SDoc
forall ie. Outputable ie => SDoc -> GlobalRdrElt -> ie -> SDoc
dodgy_msg ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"import") GlobalRdrElt
gre (GlobalRdrElt -> IE (GhcPass 'Renamed)
dodgy_msg_insert GlobalRdrElt
gre)]
TcRnDodgyImports (DodgyImportsHiding ImportLookupReason
reason)
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
ImportLookupReason -> SDoc
pprImportLookup ImportLookupReason
reason
TcRnDodgyExports GlobalRdrElt
gre
-> [SDoc] -> DecoratedSDoc
mkDecorated [SDoc -> GlobalRdrElt -> IE (GhcPass 'Renamed) -> SDoc
forall ie. Outputable ie => SDoc -> GlobalRdrElt -> ie -> SDoc
dodgy_msg ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"export") GlobalRdrElt
gre (GlobalRdrElt -> IE (GhcPass 'Renamed)
dodgy_msg_insert GlobalRdrElt
gre)]
TcRnMissingImportList IE GhcPs
ie
-> [SDoc] -> DecoratedSDoc
mkDecorated [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The import item" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (IE GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr IE GhcPs
ie) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not have an explicit import list"
]
TcRnMessage
TcRnUnsafeDueToPlugin
-> [SDoc] -> DecoratedSDoc
mkDecorated [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Use of plugins makes the module unsafe"]
TcRnModMissingRealSrcSpan Module
mod
-> [SDoc] -> DecoratedSDoc
mkDecorated [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Module does not have a RealSrcSpan:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Module -> SDoc
forall a. Outputable a => a -> SDoc
ppr Module
mod]
TcRnIdNotExportedFromModuleSig Name
name Module
mod
-> [SDoc] -> DecoratedSDoc
mkDecorated [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The identifier" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> OccName
forall name. HasOccName name => name -> OccName
occName Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not exist in the signature for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Module -> SDoc
forall a. Outputable a => a -> SDoc
ppr Module
mod
]
TcRnIdNotExportedFromLocalSig Name
name
-> [SDoc] -> DecoratedSDoc
mkDecorated [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The identifier" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> OccName
forall name. HasOccName name => name -> OccName
occName Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not exist in the local signature."
]
TcRnShadowedName OccName
occ ShadowedNameProvenance
provenance
-> let shadowed_locs :: [SDoc]
shadowed_locs = case ShadowedNameProvenance
provenance of
ShadowedNameProvenanceLocal SrcLoc
n -> [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcLoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr SrcLoc
n]
ShadowedNameProvenanceGlobal [GlobalRdrElt]
gres -> (GlobalRdrElt -> SDoc) -> [GlobalRdrElt] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GlobalRdrElt -> SDoc
forall info. GlobalRdrEltX info -> SDoc
pprNameProvenance [GlobalRdrElt]
gres
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"This binding for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
occ)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"shadows the existing binding" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [SDoc] -> SDoc
forall a. [a] -> SDoc
plural [SDoc]
shadowed_locs,
Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc]
shadowed_locs)]
TcRnInvalidWarningCategory WarningCategory
cat
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Warning category" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (WarningCategory -> SDoc
forall a. Outputable a => a -> SDoc
ppr WarningCategory
cat) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not valid",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(user-defined category names must begin with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"x-"),
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and contain only letters, numbers, apostrophes and dashes)" ]
TcRnDuplicateWarningDecls LocatedN RdrName
d RdrName
rdr_name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Multiple warning declarations for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name),
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"also at " SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (LocatedN RdrName -> SrcSpan
forall a e. HasLoc a => GenLocated a e -> SrcSpan
getLocA LocatedN RdrName
d)]
TcRnSimplifierTooManyIterations Cts
simples IntWithInf
limit WantedConstraints
wc
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"solveWanteds: too many iterations"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"limit =" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> IntWithInf -> SDoc
forall a. Outputable a => a -> SDoc
ppr IntWithInf
limit))
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unsolved:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> WantedConstraints -> SDoc
forall a. Outputable a => a -> SDoc
ppr WantedConstraints
wc
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Simples:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Cts -> SDoc
forall a. Outputable a => a -> SDoc
ppr Cts
simples
])
TcRnIllegalPatSynDecl LIdP GhcPs
rdrname
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal pattern synonym declaration for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr LIdP GhcPs
LocatedN RdrName
rdrname))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern synonym declarations are only valid at top level")
TcRnLinearPatSyn Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern synonyms do not support linear fields (GHC #18806):") Arity
2 (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty)
TcRnMessage
TcRnEmptyRecordUpdate
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Empty record update"
TcRnIllegalFieldPunning Located RdrName
fld
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal use of punning for field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Located RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr Located RdrName
fld)
TcRnIllegalWildcardsInRecord RecordFieldPart
fld_part
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal `..' in record" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> RecordFieldPart -> SDoc
pprRecordFieldPart RecordFieldPart
fld_part
TcRnIllegalWildcardInType Maybe Name
mb_name BadAnonWildcardContext
bad
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ case BadAnonWildcardContext
bad of
BadAnonWildcardContext
WildcardNotLastInConstraint ->
SDoc -> Arity -> SDoc -> SDoc
hang SDoc
notAllowed Arity
2 SDoc
constraint_hint_msg
ExtraConstraintWildcardNotAllowed SoleExtraConstraintWildcardAllowed
allow_sole ->
case SoleExtraConstraintWildcardAllowed
allow_sole of
SoleExtraConstraintWildcardAllowed
SoleExtraConstraintWildcardNotAllowed ->
SDoc
notAllowed
SoleExtraConstraintWildcardAllowed
SoleExtraConstraintWildcardAllowed ->
SDoc -> Arity -> SDoc -> SDoc
hang SDoc
notAllowed Arity
2 SDoc
sole_msg
BadAnonWildcardContext
WildcardsNotAllowedAtAll ->
SDoc
notAllowed
BadAnonWildcardContext
WildcardBndrInForallTelescope ->
SDoc
notAllowed
BadAnonWildcardContext
WildcardBndrInTyFamResultVar ->
SDoc
notAllowed
where
notAllowed, what, wildcard, how :: SDoc
notAllowed :: SDoc
notAllowed = SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
wildcard SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
how
wildcard :: SDoc
wildcard = case Maybe Name
mb_name of
Maybe Name
Nothing -> SDoc
pprAnonWildCard
Just Name
name -> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name
what :: SDoc
what
| Just Name
_ <- Maybe Name
mb_name
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Named wildcard"
| ExtraConstraintWildcardNotAllowed {} <- BadAnonWildcardContext
bad
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Extra-constraint wildcard"
| WildcardBndrInForallTelescope {} <- BadAnonWildcardContext
bad
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Wildcard binder"
| WildcardBndrInTyFamResultVar {} <- BadAnonWildcardContext
bad
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Wildcard binder"
| Bool
otherwise
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Wildcard"
how :: SDoc
how = case BadAnonWildcardContext
bad of
BadAnonWildcardContext
WildcardNotLastInConstraint
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"not allowed in a constraint"
BadAnonWildcardContext
WildcardBndrInForallTelescope
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"not allowed in a forall telescope"
BadAnonWildcardContext
WildcardBndrInTyFamResultVar
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"not allowed in a type family result"
BadAnonWildcardContext
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"not allowed"
constraint_hint_msg :: SDoc
constraint_hint_msg :: SDoc
constraint_hint_msg
| Just Name
_ <- Maybe Name
mb_name
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Extra-constraint wildcards must be anonymous"
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"e.g f :: (Eq a, _) => blah") ]
| Bool
otherwise
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"except as the last top-level constraint of a type signature"
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"e.g f :: (Eq a, _) => blah") ]
sole_msg :: SDoc
sole_msg :: SDoc
sole_msg =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"except as the sole constraint"
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"e.g., deriving instance _ => Eq (Foo a)") ]
TcRnIllegalNamedWildcardInTypeArgument RdrName
rdr
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal named wildcard in a required type argument:")
Arity
2 (SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr))
TcRnIllegalImplicitTyVarInTypeArgument RdrName
rdr
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal implicitly quantified type variable in a required type argument:")
Arity
2 (SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr))
TcRnDuplicateFieldName RecordFieldPart
fld_part NonEmpty RdrName
dups
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Duplicate field name"
, SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (RdrName -> OccName
rdrNameOcc (RdrName -> OccName) -> RdrName -> OccName
forall a b. (a -> b) -> a -> b
$ NonEmpty RdrName -> RdrName
forall a. NonEmpty a -> a
NE.head NonEmpty RdrName
dups))
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in record", RecordFieldPart -> SDoc
pprRecordFieldPart RecordFieldPart
fld_part ]
TcRnIllegalViewPattern Pat GhcPs
pat
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal view pattern: " SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Pat GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr Pat GhcPs
pat]
TcRnCharLiteralOutOfRange Char
c
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"character literal out of range: '\\" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
c SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
'\''
TcRnIllegalWildcardsInConstructor Name
con
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal `{..}' notation for constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
con)
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Record wildcards may not be used for constructors with unlabelled fields.")
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Possible fix: Remove the `{..}' and add a match for each field of the constructor.")
]
TcRnIgnoringAnnotations [LAnnDecl (GhcPass 'Renamed)]
anns
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ignoring ANN annotation" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [GenLocated SrcSpanAnnA (AnnDecl (GhcPass 'Renamed))] -> SDoc
forall a. [a] -> SDoc
plural [LAnnDecl (GhcPass 'Renamed)]
[GenLocated SrcSpanAnnA (AnnDecl (GhcPass 'Renamed))]
anns SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"because this is a stage-1 compiler without -fexternal-interpreter or doesn't support GHCi"
TcRnMessage
TcRnAnnotationInSafeHaskell
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Annotations are not compatible with Safe Haskell."
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"See https://gitlab.haskell.org/ghc/ghc/issues/10826" ]
TcRnInvalidTypeApplication Type
fun_ty LHsWcType (GhcPass 'Renamed)
hs_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot apply expression of type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
fun_ty) SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to a visible type argument" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (HsWildCardBndrs
(GhcPass 'Renamed)
(GenLocated SrcSpanAnnA (HsType (GhcPass 'Renamed)))
-> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsWcType (GhcPass 'Renamed)
HsWildCardBndrs
(GhcPass 'Renamed)
(GenLocated SrcSpanAnnA (HsType (GhcPass 'Renamed)))
hs_ty)
TcRnMessage
TcRnTagToEnumMissingValArg
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"tagToEnum# must appear applied to one value argument"
TcRnTagToEnumUnspecifiedResTy Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Bad call to tagToEnum# at type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Specify the type by giving a type signature"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"e.g. (tagToEnum# x) :: Bool" ])
TcRnTagToEnumResTyNotAnEnum Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Bad call to tagToEnum# at type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty)
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Result type must be an enumeration type")
TcRnTagToEnumResTyTypeData Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Bad call to tagToEnum# at type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty)
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Result type cannot be headed by a `type data` type")
TcRnMessage
TcRnArrowIfThenElsePredDependsOnResultTy
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Predicate type of `ifThenElse' depends on result type"
TcRnIllegalHsBootOrSigDecl HsBootOrSig
boot_or_sig BadBootDecls
decls
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
whr SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
where
what :: SDoc
what = case BadBootDecls
decls of
BootBindsPs {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"binding"
BootBindsRn {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"binding"
BootInstanceSigs {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"instance body"
BootFamInst {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"family instance"
BootSpliceDecls {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"splice"
BootForeignDecls {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"foreign declaration"
BootDefaultDecls {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"default declaration"
BootRuleDecls {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"RULE pragma"
whr :: SDoc
whr = case HsBootOrSig
boot_or_sig of
HsBootOrSig
HsBoot -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"an hs-boot file"
HsBootOrSig
Hsig -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a backpack signature file"
TcRnBootMismatch HsBootOrSig
boot_or_sig BootMismatch
err ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ HsBootOrSig -> BootMismatch -> SDoc
pprBootMismatch HsBootOrSig
boot_or_sig BootMismatch
err
TcRnRecursivePatternSynonym LHsBinds (GhcPass 'Renamed)
binds
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Recursive pattern synonym definition with following bindings:")
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (GenLocated SrcSpanAnnA (HsBind (GhcPass 'Renamed)) -> SDoc)
-> [GenLocated SrcSpanAnnA (HsBind (GhcPass 'Renamed))] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpanAnnA (HsBind (GhcPass 'Renamed)) -> SDoc
forall a idR.
CollectPass (GhcPass 'Renamed) =>
GenLocated (EpAnn a) (HsBindLR (GhcPass 'Renamed) idR) -> SDoc
pprLBind LHsBinds (GhcPass 'Renamed)
[GenLocated SrcSpanAnnA (HsBind (GhcPass 'Renamed))]
binds)
where
pprLoc :: a -> SDoc
pprLoc a
loc = SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"defined at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
loc)
pprLBind :: CollectPass GhcRn => GenLocated (EpAnn a) (HsBindLR GhcRn idR) -> SDoc
pprLBind :: forall a idR.
CollectPass (GhcPass 'Renamed) =>
GenLocated (EpAnn a) (HsBindLR (GhcPass 'Renamed) idR) -> SDoc
pprLBind (L EpAnn a
loc HsBindLR (GhcPass 'Renamed) idR
bind) = (Name -> SDoc) -> [Name] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (CollectFlag (GhcPass 'Renamed)
-> HsBindLR (GhcPass 'Renamed) idR -> [IdP (GhcPass 'Renamed)]
forall p idR.
CollectPass p =>
CollectFlag p -> HsBindLR p idR -> [IdP p]
collectHsBindBinders CollectFlag (GhcPass 'Renamed)
forall p. CollectFlag p
CollNoDictBinders HsBindLR (GhcPass 'Renamed) idR
bind)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
pprLoc (EpAnn a -> SrcSpan
forall a. HasLoc a => a -> SrcSpan
locA EpAnn a
loc)
TcRnPartialTypeSigTyVarMismatch Name
n1 Name
n2 Name
fn_name LHsSigWcType (GhcPass 'Renamed)
hs_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Couldn't match" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n1)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n2))
Arity
2 (SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"both bound by the partial type signature:")
Arity
2 (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
fn_name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsWildCardBndrs
(GhcPass 'Renamed)
(GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed)))
-> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsSigWcType (GhcPass 'Renamed)
HsWildCardBndrs
(GhcPass 'Renamed)
(GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed)))
hs_ty))
TcRnPartialTypeSigBadQuantifier Name
n Name
fn_name Maybe Type
m_unif_ty LHsSigWcType (GhcPass 'Renamed)
hs_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Can't quantify over" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n))
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound by the partial type signature:")
Arity
2 (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
fn_name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsWildCardBndrs
(GhcPass 'Renamed)
(GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed)))
-> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsSigWcType (GhcPass 'Renamed)
HsWildCardBndrs
(GhcPass 'Renamed)
(GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed)))
hs_ty)
, SDoc
extra ])
where
extra :: SDoc
extra | Just Type
rhs_ty <- Maybe Type
m_unif_ty
= [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n), [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"should really be", SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
rhs_ty) ]
| Bool
otherwise
= SDoc
forall doc. IsOutput doc => doc
empty
TcRnMissingSignature MissingSignature
what Exported
_ ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
case MissingSignature
what of
MissingPatSynSig PatSyn
p ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern synonym with no type signature:")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"pattern" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. NamedThing a => a -> SDoc
pprPrefixName (PatSyn -> Name
patSynName PatSyn
p) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> PatSyn -> SDoc
pprPatSynType PatSyn
p)
MissingTopLevelBindingSig Name
name Type
ty ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Top-level binding with no type signature:")
Arity
2 (Name -> SDoc
forall a. NamedThing a => a -> SDoc
pprPrefixName Name
name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprSigmaType Type
ty)
MissingTyConKindSig TyCon
tc Bool
cusks_enabled ->
SDoc -> Arity -> SDoc -> SDoc
hang SDoc
msg
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. NamedThing a => a -> SDoc
pprPrefixName (TyCon -> Name
tyConName TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprKind (TyCon -> Type
tyConKind TyCon
tc))
where
msg :: SDoc
msg | Bool
cusks_enabled
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Top-level type constructor with no standalone kind signature or CUSK:"
| Bool
otherwise
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Top-level type constructor with no standalone kind signature:"
TcRnPolymorphicBinderMissingSig Name
n Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Polymorphic local binding with no type signature:"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ Name -> SDoc
forall a. NamedThing a => a -> SDoc
pprPrefixName Name
n SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty ]
TcRnOverloadedSig TcIdSig
sig
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Overloaded signature conflicts with monomorphism restriction")
Arity
2 (TcIdSig -> SDoc
forall a. Outputable a => a -> SDoc
ppr TcIdSig
sig)
TcRnTupleConstraintInst Class
_
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"You can't specify an instance for a tuple constraint"
TcRnUserTypeError Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (Type -> SDoc
pprUserTypeErrorTy Type
ty)
TcRnConstraintInKind Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal constraint in a kind:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprType Type
ty
TcRnUnboxedTupleOrSumTypeFuncArg UnboxedTupleOrSum
tuple_or_sum Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal unboxed" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type as function argument:"
, Type -> SDoc
pprType Type
ty ]
where
what :: SDoc
what = case UnboxedTupleOrSum
tuple_or_sum of
UnboxedTupleOrSum
UnboxedTupleType -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"tuple"
UnboxedTupleOrSum
UnboxedSumType -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"sum"
TcRnLinearFuncInKind Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal linear function in a kind:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprType Type
ty
TcRnForAllEscapeError Type
ty Type
kind
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Quantified type's kind mentions quantified type variable")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty))
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"where the body of the forall has this kind:")
Arity
2 (SDoc -> SDoc
quotes (Type -> SDoc
pprKind Type
kind)) ]
TcRnSimplifiableConstraint Type
pred InstanceWhat
what
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The constraint" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
pprType Type
pred) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"matches")
Arity
2 (InstanceWhat -> SDoc
forall a. Outputable a => a -> SDoc
ppr InstanceWhat
what)
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"This makes type inference for inner bindings fragile;")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"either use MonoLocalBinds, or simplify it using the instance") ]
TcRnArityMismatch TyThing
thing Arity
thing_arity Arity
nb_args
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what, SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SDoc) -> Name -> SDoc
forall a b. (a -> b) -> a -> b
$ TyThing -> Name
forall a. NamedThing a => a -> Name
getName TyThing
thing), [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"should have"
, SDoc
n_arguments SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but has been given"
, if Arity
nb_args Arity -> Arity -> Bool
forall a. Eq a => a -> a -> Bool
== Arity
0 then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"none" else Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
nb_args
]
where
what :: SDoc
what = case TyThing
thing of
ATyCon TyCon
tc -> TyConFlavour TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyCon -> TyConFlavour TyCon
tyConFlavour TyCon
tc)
TyThing
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (TyThing -> [Char]
tyThingCategory TyThing
thing)
n_arguments :: SDoc
n_arguments | Arity
thing_arity Arity -> Arity -> Bool
forall a. Eq a => a -> a -> Bool
== Arity
0 = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"no arguments"
| Arity
thing_arity Arity -> Arity -> Bool
forall a. Eq a => a -> a -> Bool
== Arity
1 = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"1 argument"
| Bool
True = [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
thing_arity, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"arguments"]
TcRnIllegalInstance IllegalInstanceReason
reason ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ IllegalInstanceReason -> SDoc
pprIllegalInstance IllegalInstanceReason
reason
TcRnVDQInTermType Maybe Type
mb_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
case Maybe Type
mb_ty of
Maybe Type
Nothing -> SDoc
main_msg
Just Type
ty -> SDoc -> Arity -> SDoc -> SDoc
hang (SDoc
main_msg SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
':') Arity
2 (Type -> SDoc
pprType Type
ty)
where
main_msg :: SDoc
main_msg =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal visible, dependent quantification" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the type of a term"
TcRnBadQuantPredHead Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Quantified predicate must have a class or type variable head:")
Arity
2 (Type -> SDoc
pprType Type
ty)
TcRnIllegalTupleConstraint Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal tuple constraint:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprType Type
ty
TcRnNonTypeVarArgInConstraint Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Non type-variable argument")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the constraint:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprType Type
ty)
TcRnIllegalImplicitParam Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal implicit parameter" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
pprType Type
ty)
TcRnIllegalConstraintSynonymOfKind Type
kind
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal constraint synonym of kind:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
pprKind Type
kind)
TcRnOversaturatedVisibleKindArg Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal oversaturated visible kind argument:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes (Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
'@' SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Type -> SDoc
pprParendType Type
ty)
TcRnForAllRankErr Rank
rank Type
ty
-> let herald :: SDoc
herald = case Type -> ([TyVar], Type)
tcSplitForAllTyVars Type
ty of
([], Type
_) -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal qualified type:"
([TyVar], Type)
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal polymorphic type:"
extra :: SDoc
extra = case Rank
rank of
Rank
MonoTypeConstraint -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A constraint must be a monotype"
Rank
_ -> SDoc
forall doc. IsOutput doc => doc
empty
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc -> Arity -> SDoc -> SDoc
hang SDoc
herald Arity
2 (Type -> SDoc
pprType Type
ty), SDoc
extra]
TcRnMonomorphicBindings [Name]
bindings
-> let pp_bndrs :: SDoc
pp_bndrs = [Name] -> SDoc
pprBindings [Name]
bindings
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The Monomorphism Restriction applies to the binding"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Name] -> SDoc
forall a. [a] -> SDoc
plural [Name]
bindings
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_bndrs ]
TcRnOrphanInstance (Left ClsInst
cls_inst)
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Orphan class instance:")
Arity
2 (ClsInst -> SDoc
pprInstanceHdr ClsInst
cls_inst)
TcRnOrphanInstance (Right FamInst
fam_inst)
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Orphan family instance:")
Arity
2 (FamInst -> SDoc
pprFamInst FamInst
fam_inst)
TcRnFunDepConflict UnitState
unit_state NonEmpty ClsInst
sorted
-> let herald :: SDoc
herald = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Functional dependencies conflict between instance declarations:"
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
UnitState -> SDoc -> SDoc
pprWithUnitState UnitState
unit_state (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ (SDoc -> Arity -> SDoc -> SDoc
hang SDoc
herald Arity
2 ([ClsInst] -> SDoc
pprInstances ([ClsInst] -> SDoc) -> [ClsInst] -> SDoc
forall a b. (a -> b) -> a -> b
$ NonEmpty ClsInst -> [ClsInst]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty ClsInst
sorted))
TcRnDupInstanceDecls UnitState
unit_state NonEmpty ClsInst
sorted
-> let herald :: SDoc
herald = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Duplicate instance declarations:"
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
UnitState -> SDoc -> SDoc
pprWithUnitState UnitState
unit_state (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ (SDoc -> Arity -> SDoc -> SDoc
hang SDoc
herald Arity
2 ([ClsInst] -> SDoc
pprInstances ([ClsInst] -> SDoc) -> [ClsInst] -> SDoc
forall a b. (a -> b) -> a -> b
$ NonEmpty ClsInst -> [ClsInst]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty ClsInst
sorted))
TcRnConflictingFamInstDecls NonEmpty FamInst
sortedNE
-> let sorted :: [FamInst]
sorted = NonEmpty FamInst -> [FamInst]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty FamInst
sortedNE
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Conflicting family instance declarations:")
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ TyCon -> CoAxBranch -> SDoc
pprCoAxBranchUser (CoAxiom Unbranched -> TyCon
forall (br :: BranchFlag). CoAxiom br -> TyCon
coAxiomTyCon CoAxiom Unbranched
ax) (CoAxiom Unbranched -> CoAxBranch
coAxiomSingleBranch CoAxiom Unbranched
ax)
| FamInst
fi <- [FamInst]
sorted
, let ax :: CoAxiom Unbranched
ax = FamInst -> CoAxiom Unbranched
famInstAxiom FamInst
fi ])
TcRnFamInstNotInjective InjectivityErrReason
rea TyCon
fam_tc (CoAxBranch
eqn1 NE.:| [CoAxBranch]
rest_eqns)
-> let (SDoc
herald, Bool
show_kinds) = case InjectivityErrReason
rea of
InjErrRhsBareTyVar [Type]
tys ->
(SDoc
injectivityErrorHerald SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"RHS of injective type family equation is a bare" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type variable" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but these LHS type and kind patterns are not bare" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"variables:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Type] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [Type]
tys, Bool
False)
InjectivityErrReason
InjErrRhsCannotBeATypeFam ->
(SDoc
injectivityErrorHerald SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"RHS of injective type family equation cannot" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"be a type family:", Bool
False)
InjectivityErrReason
InjErrRhsOverlap ->
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type family equation right-hand sides overlap; this violates" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the family's injectivity annotation:", Bool
False)
InjErrCannotInferFromRhs VarSet
tvs HasKinds
has_kinds SuggestUndecidableInstances
_ ->
let show_kinds :: Bool
show_kinds = HasKinds
has_kinds HasKinds -> HasKinds -> Bool
forall a. Eq a => a -> a -> Bool
== HasKinds
YesHasKinds
what :: SDoc
what = if Bool
show_kinds then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type/kind" else [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type"
body :: SDoc
body = [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<>
VarSet -> SDoc
pluralVarSet VarSet
tvs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> VarSet -> ([TyVar] -> SDoc) -> SDoc
pprVarSet VarSet
tvs ([TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList ([TyVar] -> SDoc) -> ([TyVar] -> [TyVar]) -> [TyVar] -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [TyVar] -> [TyVar]
scopedSort)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cannot be inferred from the right-hand side." ]
in (SDoc
injectivityErrorHerald SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SDoc
body SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"In the type family equation:", Bool
show_kinds)
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen Bool
show_kinds (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang SDoc
herald
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((CoAxBranch -> SDoc) -> [CoAxBranch] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (TyCon -> CoAxBranch -> SDoc
pprCoAxBranchUser TyCon
fam_tc) (CoAxBranch
eqn1 CoAxBranch -> [CoAxBranch] -> [CoAxBranch]
forall a. a -> [a] -> [a]
: [CoAxBranch]
rest_eqns)))
TcRnBangOnUnliftedType Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Strictness flag has no effect on unlifted type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty)
TcRnLazyBangOnUnliftedType Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Lazy flag has no effect on unlifted type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty)
TcRnMultipleDefaultDeclarations TyCon
cls [LDefaultDecl (GhcPass 'Renamed)]
dup_things
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Multiple default declarations for class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
cls))
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((GenLocated SrcSpanAnnA (DefaultDecl (GhcPass 'Renamed)) -> SDoc)
-> [GenLocated SrcSpanAnnA (DefaultDecl (GhcPass 'Renamed))]
-> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map LDefaultDecl (GhcPass 'Renamed) -> SDoc
GenLocated SrcSpanAnnA (DefaultDecl (GhcPass 'Renamed)) -> SDoc
pp [LDefaultDecl (GhcPass 'Renamed)]
[GenLocated SrcSpanAnnA (DefaultDecl (GhcPass 'Renamed))]
dup_things))
where
pp :: LDefaultDecl GhcRn -> SDoc
pp :: LDefaultDecl (GhcPass 'Renamed) -> SDoc
pp (L SrcSpanAnnA
locn DefaultDecl {})
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"here was another default declaration" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (SrcSpanAnnA -> SrcSpan
forall a. HasLoc a => a -> SrcSpan
locA SrcSpanAnnA
locn)
TcRnBadDefaultType Type
ty [TyCon]
deflt_clss
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The default type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not an instance of")
Arity
2 ((SDoc -> SDoc -> SDoc) -> [SDoc] -> SDoc
forall a. (a -> a -> a) -> [a] -> a
forall (t :: * -> *) a. Foldable t => (a -> a -> a) -> t a -> a
foldr1 (\SDoc
a SDoc
b -> SDoc
a SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
b) ((TyCon -> SDoc) -> [TyCon] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SDoc -> SDoc
quotes(SDoc -> SDoc) -> (TyCon -> SDoc) -> TyCon -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr) [TyCon]
deflt_clss))
TcRnMessage
TcRnPatSynBundledWithNonDataCon
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern synonyms can be bundled only with datatypes."
TcRnPatSynBundledWithWrongType Type
expected_res_ty Type
res_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern synonyms can only be bundled with matching type constructors"
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Couldn't match expected type of"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
expected_res_ty)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"with actual type of"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
res_ty)
TcRnDupeModuleExport ModuleName
mod
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Duplicate"
, SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in export list" ]
TcRnExportedModNotImported ModuleName
mod
-> SDoc -> DecoratedSDoc
mkSimpleDecorated
(SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> [Char] -> SDoc
formatExportItemError
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod)
[Char]
"is not imported"
TcRnNullExportedModule ModuleName
mod
-> SDoc -> DecoratedSDoc
mkSimpleDecorated
(SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> [Char] -> SDoc
formatExportItemError
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod)
[Char]
"exports nothing"
TcRnMissingExportList ModuleName
mod
-> SDoc -> DecoratedSDoc
mkSimpleDecorated
(SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> [Char] -> SDoc
formatExportItemError
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod)
[Char]
"is missing an export list"
TcRnExportHiddenComponents IE GhcPs
export_item
-> SDoc -> DecoratedSDoc
mkSimpleDecorated
(SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> [Char] -> SDoc
formatExportItemError
(IE GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr IE GhcPs
export_item)
[Char]
"attempts to export constructors or class methods that are not visible here"
TcRnExportHiddenDefault IE GhcPs
export_item
-> SDoc -> DecoratedSDoc
mkSimpleDecorated
(SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> [Char] -> SDoc
formatExportItemError
(IE GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr IE GhcPs
export_item)
[Char]
"attempts to export a default class declaration that is not visible here"
TcRnDuplicateExport GlobalRdrElt
gre IE GhcPs
ie1 IE GhcPs
ie2
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SDoc) -> Name -> SDoc
forall a b. (a -> b) -> a -> b
$ GlobalRdrElt -> Name
forall info. GlobalRdrEltX info -> Name
greName GlobalRdrElt
gre)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is exported by", SDoc -> SDoc
quotes (IE GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr IE GhcPs
ie1)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and", SDoc -> SDoc
quotes (IE GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr IE GhcPs
ie2) ]
TcRnExportedParentChildMismatch Name
parent_name TyThing
ty_thing Name
child [Name]
parent_names
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The type constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
parent_name)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not the parent of the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
what_is
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
thing SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
'.'
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> [Char]
capitalise [Char]
what_is)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"s can only be exported with their parent type constructor."
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ (case [SDoc]
parents of
[] -> SDoc
forall doc. IsOutput doc => doc
empty
[SDoc
_] -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Parent:"
[SDoc]
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Parents:") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
fsep (SDoc -> [SDoc] -> [SDoc]
forall doc. IsLine doc => doc -> [doc] -> [doc]
punctuate SDoc
forall doc. IsLine doc => doc
comma [SDoc]
parents)
where
pp_category :: TyThing -> String
pp_category :: TyThing -> [Char]
pp_category (AnId TyVar
i)
| TyVar -> Bool
isRecordSelector TyVar
i = [Char]
"record selector"
pp_category TyThing
i = TyThing -> [Char]
tyThingCategory TyThing
i
what_is :: [Char]
what_is = TyThing -> [Char]
pp_category TyThing
ty_thing
thing :: SDoc
thing = OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (OccName -> SDoc) -> OccName -> SDoc
forall a b. (a -> b) -> a -> b
$ Name -> OccName
nameOccName Name
child
parents :: [SDoc]
parents = (Name -> SDoc) -> [Name] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr [Name]
parent_names
TcRnConflictingExports OccName
occ GlobalRdrElt
child_gre1 IE GhcPs
ie1 GlobalRdrElt
child_gre2 IE GhcPs
ie2
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Conflicting exports for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
occ) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon
, GlobalRdrElt -> IE GhcPs -> SDoc
forall {a} {info}. Outputable a => GlobalRdrEltX info -> a -> SDoc
ppr_export GlobalRdrElt
child_gre1 IE GhcPs
ie1
, GlobalRdrElt -> IE GhcPs -> SDoc
forall {a} {info}. Outputable a => GlobalRdrEltX info -> a -> SDoc
ppr_export GlobalRdrElt
child_gre2 IE GhcPs
ie2
]
where
ppr_export :: GlobalRdrEltX info -> a -> SDoc
ppr_export GlobalRdrEltX info
gre a
ie =
Arity -> SDoc -> SDoc
nest Arity
3 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang (SDoc -> SDoc
quotes (a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
ie) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"exports" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SDoc) -> Name -> SDoc
forall a b. (a -> b) -> a -> b
$ GlobalRdrEltX info -> Name
forall info. GlobalRdrEltX info -> Name
greName GlobalRdrEltX info
gre))
Arity
2 (GlobalRdrEltX info -> SDoc
forall info. GlobalRdrEltX info -> SDoc
pprNameProvenance GlobalRdrEltX info
gre)
TcRnDuplicateFieldExport (GlobalRdrElt
gre, IE GhcPs
ie1) NonEmpty (GlobalRdrElt, IE GhcPs)
gres_ies ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ( [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Duplicate record field"
, SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (OccName -> SDoc) -> OccName -> SDoc
forall a b. (a -> b) -> a -> b
$ GlobalRdrElt -> OccName
forall info. GlobalRdrEltX info -> OccName
greOccName GlobalRdrElt
gre)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in export list" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon ]
SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: ((GlobalRdrElt, IE GhcPs) -> SDoc)
-> [(GlobalRdrElt, IE GhcPs)] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (GlobalRdrElt, IE GhcPs) -> SDoc
forall {a}. Outputable a => (GlobalRdrElt, a) -> SDoc
ppr_export ((GlobalRdrElt
gre,IE GhcPs
ie1) (GlobalRdrElt, IE GhcPs)
-> [(GlobalRdrElt, IE GhcPs)] -> [(GlobalRdrElt, IE GhcPs)]
forall a. a -> [a] -> [a]
: NonEmpty (GlobalRdrElt, IE GhcPs) -> [(GlobalRdrElt, IE GhcPs)]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (GlobalRdrElt, IE GhcPs)
gres_ies)
)
where
ppr_export :: (GlobalRdrElt, a) -> SDoc
ppr_export (GlobalRdrElt
gre,a
ie) =
Arity -> SDoc -> SDoc
nest Arity
3 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc -> SDoc
quotes (a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
ie) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"exports the field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SDoc) -> Name -> SDoc
forall a b. (a -> b) -> a -> b
$ GlobalRdrElt -> Name
forall info. GlobalRdrEltX info -> Name
greName GlobalRdrElt
gre)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"belonging to the constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [ConLikeName] -> SDoc
forall a. [a] -> SDoc
plural [ConLikeName]
fld_cons SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [ConLikeName] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [ConLikeName]
fld_cons ])
Arity
2 (GlobalRdrElt -> SDoc
forall info. GlobalRdrEltX info -> SDoc
pprNameProvenance GlobalRdrElt
gre)
where
fld_cons :: [ConLikeName]
fld_cons :: [ConLikeName]
fld_cons = UniqSet ConLikeName -> [ConLikeName]
forall elt. UniqSet elt -> [elt]
nonDetEltsUniqSet (UniqSet ConLikeName -> [ConLikeName])
-> UniqSet ConLikeName -> [ConLikeName]
forall a b. (a -> b) -> a -> b
$ RecFieldInfo -> UniqSet ConLikeName
recFieldCons (RecFieldInfo -> UniqSet ConLikeName)
-> RecFieldInfo -> UniqSet ConLikeName
forall a b. (a -> b) -> a -> b
$ HasDebugCallStack => GlobalRdrElt -> RecFieldInfo
GlobalRdrElt -> RecFieldInfo
fieldGREInfo GlobalRdrElt
gre
TcRnAmbiguousFieldInUpdate (GlobalRdrElt
gre1, GlobalRdrElt
gre2, [GlobalRdrElt]
gres)
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ambiguous record field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
fld SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"It could refer to any of the following:")
Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((GlobalRdrElt -> SDoc) -> [GlobalRdrElt] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GlobalRdrElt -> SDoc
pprSugg (GlobalRdrElt
gre1 GlobalRdrElt -> [GlobalRdrElt] -> [GlobalRdrElt]
forall a. a -> [a] -> [a]
: GlobalRdrElt
gre2 GlobalRdrElt -> [GlobalRdrElt] -> [GlobalRdrElt]
forall a. a -> [a] -> [a]
: [GlobalRdrElt]
gres))
]
where
fld :: SDoc
fld = SDoc -> SDoc
quotes (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ FastString -> SDoc
forall a. Outputable a => a -> SDoc
ppr (OccName -> FastString
occNameFS (OccName -> FastString) -> OccName -> FastString
forall a b. (a -> b) -> a -> b
$ GlobalRdrElt -> OccName
forall info. GlobalRdrEltX info -> OccName
greOccName GlobalRdrElt
gre1)
pprSugg :: GlobalRdrElt -> SDoc
pprSugg GlobalRdrElt
gre = [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
bullet SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GlobalRdrElt -> SDoc
pprGRE GlobalRdrElt
gre SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, Arity -> SDoc -> SDoc
nest Arity
2 (GlobalRdrElt -> SDoc
forall info. GlobalRdrEltX info -> SDoc
pprNameProvenance GlobalRdrElt
gre) ]
pprGRE :: GlobalRdrElt -> SDoc
pprGRE GlobalRdrElt
gre = case GlobalRdrElt -> GREInfo
greInfo GlobalRdrElt
gre of
IAmRecField {}
| ParentIs { par_is :: Parent -> Name
par_is = Name
parent } <- GlobalRdrElt -> Parent
forall info. GlobalRdrEltX info -> Parent
greParent GlobalRdrElt
gre
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"record field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
fld SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
parent)
GREInfo
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
fld
TcRnAmbiguousRecordUpdate HsExpr (GhcPass 'Renamed)
_rupd TyCon
tc
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ambiguous record update with parent" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
, [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"This type-directed disambiguation mechanism"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"will not be supported by -XDuplicateRecordFields in future releases of GHC." ]
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Consider disambiguating using module qualification instead."
]
where
what :: SDoc
what :: SDoc
what = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RecSelParent -> SDoc
forall a. Outputable a => a -> SDoc
ppr (RecSelParent -> SDoc) -> RecSelParent -> SDoc
forall a b. (a -> b) -> a -> b
$ TyCon -> RecSelParent
RecSelData TyCon
tc)
TcRnMissingFields ConLike
con [(FieldLabelString, Type)]
fields
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc
header, Arity -> SDoc -> SDoc
nest Arity
2 SDoc
rest]
where
rest :: SDoc
rest | [(FieldLabelString, Type)] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [(FieldLabelString, Type)]
fields = SDoc
forall doc. IsOutput doc => doc
empty
| Bool
otherwise = [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat (((FieldLabelString, Type) -> SDoc)
-> [(FieldLabelString, Type)] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (FieldLabelString, Type) -> SDoc
pprField [(FieldLabelString, Type)]
fields)
header :: SDoc
header = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Fields of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (ConLike -> SDoc
forall a. Outputable a => a -> SDoc
ppr ConLike
con) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"not initialised" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<>
if [(FieldLabelString, Type)] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [(FieldLabelString, Type)]
fields then SDoc
forall doc. IsOutput doc => doc
empty else SDoc
forall doc. IsLine doc => doc
colon
TcRnFieldUpdateInvalidType [(FieldLabelString, Type)]
prs
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Record update for insufficiently polymorphic field"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [(FieldLabelString, Type)] -> SDoc
forall a. [a] -> SDoc
plural [(FieldLabelString, Type)]
prs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ FieldLabelString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FieldLabelString
f SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty | (FieldLabelString
f,Type
ty) <- [(FieldLabelString, Type)]
prs ])
TcRnMissingStrictFields ConLike
con [(FieldLabelString, Type)]
fields
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc
header, Arity -> SDoc -> SDoc
nest Arity
2 SDoc
rest]
where
rest :: SDoc
rest | [(FieldLabelString, Type)] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [(FieldLabelString, Type)]
fields = SDoc
forall doc. IsOutput doc => doc
empty
| Bool
otherwise = [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat (((FieldLabelString, Type) -> SDoc)
-> [(FieldLabelString, Type)] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (FieldLabelString, Type) -> SDoc
pprField [(FieldLabelString, Type)]
fields)
header :: SDoc
header = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (ConLike -> SDoc
forall a. Outputable a => a -> SDoc
ppr ConLike
con) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not have the required strict field(s)" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<>
if [(FieldLabelString, Type)] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [(FieldLabelString, Type)]
fields then SDoc
forall doc. IsOutput doc => doc
empty else SDoc
forall doc. IsLine doc => doc
colon
TcRnBadRecordUpdate [RdrName]
upd_flds BadRecordUpdateReason
reason
-> case BadRecordUpdateReason
reason of
NoConstructorHasAllFields { conflictingFields :: BadRecordUpdateReason -> [FieldLabelString]
conflictingFields = [FieldLabelString]
conflicts }
| [FieldLabelString
fld] <- [FieldLabelString]
conflicts
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
header
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No constructor in scope has the field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (FieldLabelString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FieldLabelString
fld) ]
| Bool
otherwise
->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
header
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No constructor in scope has all of the following fields:")
Arity
2 ([FieldLabelString] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [FieldLabelString]
conflicts) ]
where
header :: SDoc
header :: SDoc
header = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid record update."
MultiplePossibleParents (RecSelParent
par1, RecSelParent
par2, [RecSelParent]
pars) ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ambiguous record update with field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [RdrName] -> SDoc
forall a. [a] -> SDoc
plural [RdrName]
upd_flds)
Arity
2 SDoc
ppr_flds
, SDoc -> Arity -> SDoc -> SDoc
hang ([RdrName] -> SDoc
forall a. [a] -> SDoc
thisOrThese [RdrName]
upd_flds SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [RdrName] -> SDoc
forall a. [a] -> SDoc
plural [RdrName]
upd_flds SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what_parent)
Arity
2 ([SDoc] -> SDoc
quotedListWithAnd ((RecSelParent -> SDoc) -> [RecSelParent] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map RecSelParent -> SDoc
forall a. Outputable a => a -> SDoc
ppr (RecSelParent
par1RecSelParent -> [RecSelParent] -> [RecSelParent]
forall a. a -> [a] -> [a]
:RecSelParent
par2RecSelParent -> [RecSelParent] -> [RecSelParent]
forall a. a -> [a] -> [a]
:[RecSelParent]
pars))) ]
where
ppr_flds, what_parent, which :: SDoc
ppr_flds :: SDoc
ppr_flds = [SDoc] -> SDoc
quotedListWithAnd ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (RdrName -> SDoc) -> [RdrName] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr [RdrName]
upd_flds
what_parent :: SDoc
what_parent = case RecSelParent
par1 of
RecSelData {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"appear" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [RdrName] -> SDoc
forall a. [a] -> SDoc
singular [RdrName]
upd_flds
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
which SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"datatypes"
RecSelPatSyn {} -> [RdrName] -> SDoc
forall a. [a] -> SDoc
isOrAre [RdrName]
upd_flds SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"associated with"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
which SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"pattern synonyms"
which :: SDoc
which = case [RecSelParent]
pars of
[] -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"both"
[RecSelParent]
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"all of the"
InvalidTyConParent TyCon
tc NonEmpty RecSelParent
pars ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No data constructor of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has all of the fields:")
Arity
2 ([RdrName] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [RdrName]
upd_flds)
, SDoc
pat_syn_msg ]
where
what :: SDoc
what = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RecSelParent -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyCon -> RecSelParent
RecSelData TyCon
tc))
pat_syn_msg :: SDoc
pat_syn_msg
| (RecSelParent -> Bool) -> NonEmpty RecSelParent -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any (\case { RecSelPatSyn {} -> Bool
True; RecSelParent
_ -> Bool
False}) NonEmpty RecSelParent
pars
= SDoc -> SDoc
note SDoc
"Type-directed disambiguation is not supported for pattern synonym record fields"
| Bool
otherwise
= SDoc
forall doc. IsOutput doc => doc
empty
TcRnStaticFormNotClosed Name
name NotClosedReason
reason
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is used in a static form but it is not closed"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"because it"
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep (NotClosedReason -> [SDoc]
causes NotClosedReason
reason)
where
causes :: NotClosedReason -> [SDoc]
causes :: NotClosedReason -> [SDoc]
causes NotClosedReason
NotLetBoundReason = [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not let-bound."]
causes (NotTypeClosed VarSet
vs) =
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has a non-closed type because it contains the"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type variables:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
VarSet -> ([TyVar] -> SDoc) -> SDoc
pprVarSet VarSet
vs ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep ([SDoc] -> SDoc) -> ([TyVar] -> [SDoc]) -> [TyVar] -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. SDoc -> [SDoc] -> [SDoc]
forall doc. IsLine doc => doc -> [doc] -> [doc]
punctuate SDoc
forall doc. IsLine doc => doc
comma ([SDoc] -> [SDoc]) -> ([TyVar] -> [SDoc]) -> [TyVar] -> [SDoc]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (TyVar -> SDoc) -> [TyVar] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SDoc -> SDoc
quotes (SDoc -> SDoc) -> (TyVar -> SDoc) -> TyVar -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr))
]
causes (NotClosed Name
n NotClosedReason
reason) =
let msg :: SDoc
msg = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"uses" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"which"
in case NotClosedReason
reason of
NotClosed Name
_ NotClosedReason
_ -> SDoc
msg SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: NotClosedReason -> [SDoc]
causes NotClosedReason
reason
NotClosedReason
_ -> let ([SDoc]
xs0, [SDoc]
xs1) = Arity -> [SDoc] -> ([SDoc], [SDoc])
forall a. Arity -> [a] -> ([a], [a])
splitAt Arity
1 ([SDoc] -> ([SDoc], [SDoc])) -> [SDoc] -> ([SDoc], [SDoc])
forall a b. (a -> b) -> a -> b
$ NotClosedReason -> [SDoc]
causes NotClosedReason
reason
in (SDoc -> SDoc) -> [SDoc] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (SDoc
msg SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>) [SDoc]
xs0 [SDoc] -> [SDoc] -> [SDoc]
forall a. [a] -> [a] -> [a]
++ [SDoc]
xs1
TcRnMessage
TcRnUselessTypeable
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Deriving" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
typeableClassName) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has no effect: all types now auto-derive Typeable"
TcRnDerivingDefaults Class
cls
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Both DeriveAnyClass and"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GeneralizedNewtypeDeriving are enabled"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Defaulting to the DeriveAnyClass strategy"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for instantiating" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls
]
TcRnNonUnaryTypeclassConstraint UserTypeCtxt
ctxt LHsSigType (GhcPass 'Renamed)
ct
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
quotes (GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsSigType (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed))
ct)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a unary constraint, as expected by"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> UserTypeCtxt -> SDoc
pprUserTypeCtxt UserTypeCtxt
ctxt
TcRnPartialTypeSignatures SuggestPartialTypeSignatures
_ [Type]
theta
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Found type wildcard" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
'_')
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"standing for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Type] -> SDoc
pprTheta [Type]
theta)
TcRnCannotDeriveInstance Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving DeriveInstanceErrReason
reason
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> DeriveInstanceErrReason
-> SDoc
derivErrDiagnosticMessage Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
True DeriveInstanceErrReason
reason
TcRnLookupInstance Class
cls [Type]
tys LookupInstanceErrReason
reason
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Couldn't match instance:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
Class -> [Type] -> LookupInstanceErrReason -> SDoc
lookupInstanceErrDiagnosticMessage Class
cls [Type]
tys LookupInstanceErrReason
reason
TcRnMessage
TcRnLazyGADTPattern
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"An existential or GADT data constructor cannot be used")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"inside a lazy (~) pattern")
TcRnMessage
TcRnArrowProcGADTPattern
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Proc patterns cannot use existential or GADT data constructors"
TcRnMessage
TcRnTypeEqualityOutOfScope
-> [SDoc] -> DecoratedSDoc
mkDecorated
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"~") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"operator is out of scope." SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Assuming it to stand for an equality constraint."
, SDoc -> SDoc
note (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> SDoc
quotes SDoc
"~" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"used to be built-in syntax but now is a regular type operator" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
SDoc
"exported from Data.Type.Equality and Prelude." SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
SDoc
"If you are using a custom Prelude, consider re-exporting it"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"This will become an error in a future GHC release." ]
TcRnMessage
TcRnTypeEqualityRequiresOperators
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
fsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The use of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"~")
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"without TypeOperators",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"will become an error in a future GHC release." ]
TcRnIllegalTypeOperator SDoc
overall_ty RdrName
op
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal operator" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
op) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (SDoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr SDoc
overall_ty)
TcRnIllegalTypeOperatorDecl RdrName
name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal declaration of a type or class operator" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
name)
TcRnMessage
TcRnGADTMonoLocalBinds
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
fsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern matching on GADTs without MonoLocalBinds"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is fragile." ]
TcRnIncorrectNameSpace Name
name Bool
_
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not live in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
other_ns
where
other_ns :: SDoc
other_ns | NameSpace -> Bool
isValNameSpace NameSpace
ns = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the type-level namespace"
| Bool
otherwise = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the term-level namespace"
ns :: NameSpace
ns = Name -> NameSpace
nameNameSpace Name
name
what :: SDoc
what = NameSpace -> SDoc
pprNameSpace NameSpace
ns SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name)
TcRnNotInScope NotInScopeError
err RdrName
name [ImportError]
imp_errs [GhcHint]
_
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
RdrName -> NotInScopeError -> SDoc
pprScopeError RdrName
name NotInScopeError
err SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((ImportError -> SDoc) -> [ImportError] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ImportError -> SDoc
forall a. Outputable a => a -> SDoc
ppr [ImportError]
imp_errs)
TcRnTermNameInType RdrName
name [GhcHint]
_
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is a term-level binding") SDoc -> SDoc -> SDoc
$+$
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" and can not be used at the type level.")
TcRnUntickedPromotedThing UntickedPromotedThing
thing
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unticked promoted" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what
where
what :: SDoc
what :: SDoc
what = case UntickedPromotedThing
thing of
UntickedPromotedThing
UntickedExplicitList -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"list" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
UntickedConstructor LexicalFixity
fixity Name
nm ->
let con :: SDoc
con = LexicalFixity -> Name -> SDoc
pprUntickedConstructor LexicalFixity
fixity Name
nm
bare_sym :: Bool
bare_sym = LexicalFixity -> Name -> Bool
isBareSymbol LexicalFixity
fixity Name
nm
in [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"constructor:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
con SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> if Bool
bare_sym then SDoc
forall doc. IsOutput doc => doc
empty else SDoc
forall doc. IsLine doc => doc
dot
TcRnIllegalBuiltinSyntax SDoc
what RdrName
rdr_name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal", SDoc
what, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of built-in syntax:", RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name]
TcRnWarnDefaulting [Ct]
tidy_wanteds Maybe TyVar
tidy_tv Type
default_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Defaulting" ]
[SDoc] -> [SDoc] -> [SDoc]
forall a. [a] -> [a] -> [a]
++
(case Maybe TyVar
tidy_tv of
Maybe TyVar
Nothing -> []
Just TyVar
tv -> [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the type variable"
, SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tv)])
[SDoc] -> [SDoc] -> [SDoc]
forall a. [a] -> [a] -> [a]
++
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to type"
, SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
default_ty)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the following constraint" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Ct] -> SDoc
forall a. [a] -> SDoc
plural [Ct]
tidy_wanteds ])
Arity
2
([Ct] -> SDoc
pprWithArising [Ct]
tidy_wanteds)
TcRnWarnClashingDefaultImports TyCon
cls Maybe [Type]
Nothing NonEmpty ClassDefaults
imports
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Clashing imported defaults for class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
cls) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ ClassDefaults -> SDoc
defaultTypesAndImport (ClassDefaults -> SDoc) -> [ClassDefaults] -> [SDoc]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> NonEmpty ClassDefaults -> [ClassDefaults]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty ClassDefaults
imports)
TcRnWarnClashingDefaultImports TyCon
cls (Just [Type]
local) NonEmpty ClassDefaults
imports
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Imported defaults for class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
cls) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ ClassDefaults -> SDoc
defaultTypesAndImport (ClassDefaults -> SDoc) -> [ClassDefaults] -> [SDoc]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> NonEmpty ClassDefaults -> [ClassDefaults]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty ClassDefaults
imports)
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"are not subsumed by the local `default` declaration")
Arity
2 (SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ (Type -> SDoc) -> [Type] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr [Type]
local)
]
TcRnForeignImportPrimExtNotSet ForeignImport (GhcPass 'Renamed)
_decl
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"`foreign import prim' requires GHCForeignImportPrim."
TcRnForeignImportPrimSafeAnn ForeignImport (GhcPass 'Renamed)
_decl
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The safe/unsafe annotation should not be used with `foreign import prim'."
TcRnForeignFunctionImportAsValue ForeignImport (GhcPass 'Renamed)
_decl
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"`value' imports cannot have function types"
TcRnFunPtrImportWithoutAmpersand ForeignImport (GhcPass 'Renamed)
_decl
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"possible missing & in foreign import of FunPtr"
TcRnIllegalForeignDeclBackend Either
(ForeignExport (GhcPass 'Renamed))
(ForeignImport (GhcPass 'Renamed))
_decl Backend
_backend ExpectedBackends
expectedBknds
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
fsep ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal foreign declaration: requires one of these back ends:" SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
:
SDoc -> [SDoc] -> [SDoc]
commafyWith ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or") ((Backend -> SDoc) -> ExpectedBackends -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> SDoc) -> (Backend -> [Char]) -> Backend -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Backend -> [Char]
backendDescription) ExpectedBackends
expectedBknds))
TcRnUnsupportedCallConv Either
(ForeignExport (GhcPass 'Renamed))
(ForeignImport (GhcPass 'Renamed))
_decl UnsupportedCallConvention
unsupportedCC
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
case UnsupportedCallConvention
unsupportedCC of
UnsupportedCallConvention
StdCallConvUnsupported ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the 'stdcall' calling convention is unsupported on this platform,"
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"treating as ccall"
UnsupportedCallConvention
PrimCallConvUnsupported ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The `prim' calling convention can only be used with `foreign import'"
UnsupportedCallConvention
JavaScriptCallConvUnsupported ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The `javascript' calling convention is unsupported on this platform"
TcRnIllegalForeignType Maybe ArgOrResult
mArgOrResult IllegalForeignTypeReason
reason
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> Arity -> SDoc -> SDoc
hang SDoc
msg Arity
2 SDoc
extra
where
arg_or_res :: SDoc
arg_or_res = case Maybe ArgOrResult
mArgOrResult of
Maybe ArgOrResult
Nothing -> SDoc
forall doc. IsOutput doc => doc
empty
Just ArgOrResult
Arg -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"argument"
Just ArgOrResult
Result -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"result"
msg :: SDoc
msg = [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unacceptable", SDoc
arg_or_res
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type in foreign declaration:"]
extra :: SDoc
extra =
case IllegalForeignTypeReason
reason of
TypeCannotBeMarshaled Type
ty TypeCannotBeMarshaledReason
why ->
let innerMsg :: SDoc
innerMsg = SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cannot be marshalled in a foreign call"
in case TypeCannotBeMarshaledReason
why of
TypeCannotBeMarshaledReason
NotADataType ->
SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a data type"
NewtypeDataConNotInScope TyCon
_ [] ->
SDoc -> Arity -> SDoc -> SDoc
hang SDoc
innerMsg Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"because its data constructor is not in scope"
NewtypeDataConNotInScope TyCon
tc [Type]
_ ->
SDoc -> Arity -> SDoc -> SDoc
hang SDoc
innerMsg Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"because the data constructor for"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not in scope"
TypeCannotBeMarshaledReason
UnliftedFFITypesNeeded ->
SDoc
innerMsg SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"UnliftedFFITypes is required to marshal unlifted types"
TypeCannotBeMarshaledReason
NotABoxedMarshalableTyCon -> SDoc
innerMsg
TypeCannotBeMarshaledReason
ForeignLabelNotAPtr ->
SDoc
innerMsg SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A foreign-imported address (via &foo) must have type (Ptr a) or (FunPtr a)"
TypeCannotBeMarshaledReason
NotSimpleUnliftedType ->
SDoc
innerMsg SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"foreign import prim only accepts simple unlifted types"
TypeCannotBeMarshaledReason
NotBoxedKindAny ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected kind" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"UnliftedType") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has kind" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (HasDebugCallStack => Type -> Type
Type -> Type
typeKind Type
ty))
ForeignDynNotPtr Type
expected Type
ty ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected: Ptr/FunPtr" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprParendType Type
expected SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" Actual:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty ]
IllegalForeignTypeReason
SafeHaskellMustBeInIO ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Safe Haskell is on, all FFI imports must be in the IO monad"
IllegalForeignTypeReason
IOResultExpected ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"IO result type expected"
IllegalForeignTypeReason
UnexpectedNestedForall ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unexpected nested forall"
IllegalForeignTypeReason
LinearTypesNotAllowed ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Linear types are not supported in FFI declarations, see #18472"
IllegalForeignTypeReason
OneArgExpected ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"One argument expected"
IllegalForeignTypeReason
AtLeastOneArgExpected ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"At least one argument expected"
TcRnInvalidCIdentifier FastString
target
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [SDoc -> SDoc
quotes (FastString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FastString
target) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a valid C identifier"]
TcRnExpectedValueId TcTyThing
thing
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
TcTyThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TcTyThing
thing SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"used where a value identifier was expected"
TcRnRecSelectorEscapedTyVar OccName
lbl
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot use record selector" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
lbl) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"as a function due to escaped type variables"
TcRnPatSynNotBidirectional Name
name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"non-bidirectional pattern synonym"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"used in an expression"
TcRnIllegalDerivingItem LHsSigType (GhcPass 'Renamed)
hs_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal deriving item" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsSigType (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed))
hs_ty)
TcRnIllegalDefaultClass LHsSigType (GhcPass 'Renamed)
hs_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
quotes (GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsSigType (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed))
hs_ty) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a class"
TcRnIllegalNamedDefault LDefaultDecl (GhcPass 'Renamed)
hs_decl
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal use of default class name:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (GenLocated SrcSpanAnnA (DefaultDecl (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LDefaultDecl (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (DefaultDecl (GhcPass 'Renamed))
hs_decl)
TcRnUnexpectedAnnotation HsType (GhcPass 'Renamed)
ty HsBang
bang
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
let err :: [Char]
err = case HsBang
bang of
HsBang SrcUnpackedness
SrcUnpack SrcStrictness
_ -> [Char]
"UNPACK"
HsBang SrcUnpackedness
SrcNoUnpack SrcStrictness
_ -> [Char]
"NOUNPACK"
HsBang SrcUnpackedness
NoSrcUnpack SrcStrictness
SrcLazy -> [Char]
"laziness"
HsBang SrcUnpackedness
_ SrcStrictness
_ -> [Char]
"strictness"
in [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unexpected" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
err SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"annotation:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsType (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsType (GhcPass 'Renamed)
ty SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
err SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"annotation cannot appear nested inside a type"
TcRnIllegalRecordSyntax Either (HsType GhcPs) (HsType (GhcPass 'Renamed))
either_ty_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Record syntax is illegal here:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (HsType GhcPs -> SDoc)
-> (HsType (GhcPass 'Renamed) -> SDoc)
-> Either (HsType GhcPs) (HsType (GhcPass 'Renamed))
-> SDoc
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either HsType GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsType (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr Either (HsType GhcPs) (HsType (GhcPass 'Renamed))
either_ty_ty
TcRnInvalidVisibleKindArgument LHsType (GhcPass 'Renamed)
arg Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot apply function of kind" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty)
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to visible kind argument" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (GenLocated SrcSpanAnnA (HsType (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsType (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (HsType (GhcPass 'Renamed))
arg)
TcRnTooManyBinders Type
ki [LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)]
bndrs
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Not a function kind:")
Arity
4 (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ki) SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but extra binders found:")
Arity
4 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
fsep ((GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
-> SDoc)
-> [GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))]
-> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
-> SDoc
forall a. Outputable a => a -> SDoc
ppr [LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)]
[GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))]
bndrs))
TcRnDifferentNamesForTyVar Name
n1 Name
n2
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Different names for the same type variable:") Arity
2 SDoc
info
where
info :: SDoc
info | Name -> OccName
nameOccName Name
n1 OccName -> OccName -> Bool
forall a. Eq a => a -> a -> Bool
/= Name -> OccName
nameOccName Name
n2
= SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n1) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n2)
| Bool
otherwise
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n1) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcLoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SrcLoc
forall a. NamedThing a => a -> SrcLoc
getSrcLoc Name
n1)
, SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n2) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcLoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SrcLoc
forall a. NamedThing a => a -> SrcLoc
getSrcLoc Name
n2) ]
TcRnDisconnectedTyVar Name
n
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Scoped type variable only appears non-injectively in declaration header:")
Arity
2 (SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcLoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SrcLoc
forall a. NamedThing a => a -> SrcLoc
getSrcLoc Name
n))
TcRnInvalidReturnKind DataSort
data_sort AllowedDataResKind
allowed_kind Type
kind Maybe SuggestUnliftedTypes
_suggested_ext
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ DataSort -> SDoc
ppDataSort DataSort
data_sort SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has non-" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<>
SDoc
allowed_kind_tycon
, (if Bool
is_data_family then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and non-variable" else SDoc
forall doc. IsOutput doc => doc
empty) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"return kind" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
kind)
]
where
is_data_family :: Bool
is_data_family =
case DataSort
data_sort of
DataDeclSort{} -> Bool
False
DataInstanceSort{} -> Bool
False
DataSort
DataFamilySort -> Bool
True
allowed_kind_tycon :: SDoc
allowed_kind_tycon =
case AllowedDataResKind
allowed_kind of
AllowedDataResKind
AnyTYPEKind -> TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tYPETyCon
AllowedDataResKind
AnyBoxedKind -> TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
boxedRepDataConTyCon
AllowedDataResKind
LiftedKind -> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
liftedTypeKind
TcRnClassKindNotConstraint Type
_kind
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Kind signature on a class must end with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
constraintKind SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"unobscured by type families"
TcRnUnpromotableThing Name
name PromotionErr
err
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
(SDoc -> Arity -> SDoc -> SDoc
hang (PromotionErr -> SDoc
pprPECategory PromotionErr
err SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cannot be used here")
Arity
2 (SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens SDoc
reason))
where
reason :: SDoc
reason = case PromotionErr
err of
ConstrainedDataConPE [Type]
theta
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"it has an unpromotable context"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Type] -> SDoc
pprTheta [Type]
theta)
PromotionErr
FamDataConPE -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"it comes from a data family instance"
PromotionErr
PatSynPE -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"pattern synonyms cannot be promoted"
PromotionErr
RecDataConPE -> SDoc
same_rec_group_msg
PromotionErr
ClassPE -> SDoc
same_rec_group_msg
PromotionErr
TyConPE -> SDoc
same_rec_group_msg
PromotionErr
TermVariablePE -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"term variables cannot be promoted"
PromotionErr
TypeVariablePE -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type variables bound in a kind signature cannot be used in the type"
same_rec_group_msg :: SDoc
same_rec_group_msg = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"it is defined and used in the same recursive group"
TcRnIllegalTermLevelUse Name
name TermLevelUseErr
err
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal term-level use of the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (TermLevelUseErr -> [Char]
teCategory TermLevelUseErr
err) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name)
TcRnMatchesHaveDiffNumArgs HsMatchContextRn
argsContext (MatchArgMatches LocatedA (Match (GhcPass 'Renamed) body)
match1 NonEmpty (LocatedA (Match (GhcPass 'Renamed) body))
bad_matches)
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ HsMatchContext (LocatedN Name) -> SDoc
forall fn. Outputable fn => HsMatchContext fn -> SDoc
pprMatchContextNouns HsMatchContextRn
HsMatchContext (LocatedN Name)
argsContext SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"have different numbers of arguments"
, Arity -> SDoc -> SDoc
nest Arity
2 (SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (LocatedA (Match (GhcPass 'Renamed) body) -> SrcSpan
forall a e. HasLoc a => GenLocated a e -> SrcSpan
getLocA LocatedA (Match (GhcPass 'Renamed) body)
match1))
, Arity -> SDoc -> SDoc
nest Arity
2 (SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (LocatedA (Match (GhcPass 'Renamed) body) -> SrcSpan
forall a e. HasLoc a => GenLocated a e -> SrcSpan
getLocA (NonEmpty (LocatedA (Match (GhcPass 'Renamed) body))
-> LocatedA (Match (GhcPass 'Renamed) body)
forall a. NonEmpty a -> a
NE.head NonEmpty (LocatedA (Match (GhcPass 'Renamed) body))
bad_matches)))])
TcRnCannotBindScopedTyVarInPatSig NonEmpty (Name, TyVar)
sig_tvs
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"You cannot bind scoped type variable"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [(Name, TyVar)] -> SDoc
forall a. [a] -> SDoc
plural (NonEmpty (Name, TyVar) -> [(Name, TyVar)]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (Name, TyVar)
sig_tvs)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Name] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList (((Name, TyVar) -> Name) -> [(Name, TyVar)] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map (Name, TyVar) -> Name
forall a b. (a, b) -> a
fst ([(Name, TyVar)] -> [Name]) -> [(Name, TyVar)] -> [Name]
forall a b. (a -> b) -> a -> b
$ NonEmpty (Name, TyVar) -> [(Name, TyVar)]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (Name, TyVar)
sig_tvs))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in a pattern binding signature")
TcRnCannotBindTyVarsInPatBind NonEmpty (Name, TyVar)
_offenders
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Binding type variables is not allowed in pattern bindings"
TcRnTooManyTyArgsInConPattern ConLike
con_like Arity
expected_number Arity
actual_number
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Too many type arguments in constructor pattern for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (ConLike -> SDoc
forall a. Outputable a => a -> SDoc
ppr ConLike
con_like) SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected no more than" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Arity
expected_number SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
semi SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"got" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Arity
actual_number
TcRnMultipleInlinePragmas TyVar
poly_id LocatedA InlinePragma
fst_inl_prag NonEmpty (LocatedA InlinePragma)
inl_prags
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Multiple INLINE pragmas for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
poly_id)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ignoring all but the first"
SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: (LocatedA InlinePragma -> SDoc)
-> [LocatedA InlinePragma] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map LocatedA InlinePragma -> SDoc
forall {a} {a}.
(Outputable a, Outputable a) =>
GenLocated a a -> SDoc
pp_inl (LocatedA InlinePragma
fst_inl_prag LocatedA InlinePragma
-> [LocatedA InlinePragma] -> [LocatedA InlinePragma]
forall a. a -> [a] -> [a]
: NonEmpty (LocatedA InlinePragma) -> [LocatedA InlinePragma]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (LocatedA InlinePragma)
inl_prags)))
where
pp_inl :: GenLocated a a -> SDoc
pp_inl (L a
loc a
prag) = a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
prag SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
loc)
TcRnUnexpectedPragmas TyVar
poly_id NonEmpty (LSig (GhcPass 'Renamed))
bad_sigs
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Discarding unexpected pragmas for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
poly_id)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed)) -> SDoc)
-> [GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed))] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SrcSpanAnnA -> SDoc
forall a. Outputable a => a -> SDoc
ppr (SrcSpanAnnA -> SDoc)
-> (GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed)) -> SrcSpanAnnA)
-> GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed))
-> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed)) -> SrcSpanAnnA
forall l e. GenLocated l e -> l
getLoc) ([GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed))] -> [SDoc])
-> [GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed))] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ NonEmpty (GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed)))
-> [GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed))]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (LSig (GhcPass 'Renamed))
NonEmpty (GenLocated SrcSpanAnnA (Sig (GhcPass 'Renamed)))
bad_sigs))
TcRnNonOverloadedSpecialisePragma LIdP (GhcPass 'Renamed)
fun_name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"SPECIALISE pragma for non-overloaded function"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr LIdP (GhcPass 'Renamed)
LocatedN Name
fun_name)
TcRnSpecialiseNotVisible Name
name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"You cannot SPECIALISE" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"because its definition is not visible in this module"
TcRnPragmaWarning
{ pragma_warning_info :: TcRnMessage -> PragmaWarningInfo
pragma_warning_info = PragmaWarningInstance{TyVar
pwarn_dfunid :: TyVar
pwarn_dfunid :: PragmaWarningInfo -> TyVar
pwarn_dfunid, CtOrigin
pwarn_ctorig :: CtOrigin
pwarn_ctorig :: PragmaWarningInfo -> CtOrigin
pwarn_ctorig}
, WarningTxt (GhcPass 'Renamed)
pragma_warning_msg :: WarningTxt (GhcPass 'Renamed)
pragma_warning_msg :: TcRnMessage -> WarningTxt (GhcPass 'Renamed)
pragma_warning_msg }
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"In the use of")
Arity
2 (TyVar -> SDoc
pprDFunId TyVar
pwarn_dfunid)
, CtOrigin -> SDoc
forall a. Outputable a => a -> SDoc
ppr CtOrigin
pwarn_ctorig
, WarningTxt (GhcPass 'Renamed) -> SDoc
forall p. WarningTxt p -> SDoc
pprWarningTxtForMsg WarningTxt (GhcPass 'Renamed)
pragma_warning_msg
]
TcRnPragmaWarning
{ pragma_warning_info :: TcRnMessage -> PragmaWarningInfo
pragma_warning_info = PragmaWarningDefault{TyCon
pwarn_class :: TyCon
pwarn_class :: PragmaWarningInfo -> TyCon
pwarn_class, ModuleName
pwarn_impmod :: ModuleName
pwarn_impmod :: PragmaWarningInfo -> ModuleName
pwarn_impmod}
, WarningTxt (GhcPass 'Renamed)
pragma_warning_msg :: TcRnMessage -> WarningTxt (GhcPass 'Renamed)
pragma_warning_msg :: WarningTxt (GhcPass 'Renamed)
pragma_warning_msg }
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"In the use of class"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
pwarn_class
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"defaults imported from"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
pwarn_impmod SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon ]
, WarningTxt (GhcPass 'Renamed) -> SDoc
forall p. WarningTxt p -> SDoc
pprWarningTxtForMsg WarningTxt (GhcPass 'Renamed)
pragma_warning_msg
]
TcRnPragmaWarning {PragmaWarningInfo
pragma_warning_info :: TcRnMessage -> PragmaWarningInfo
pragma_warning_info :: PragmaWarningInfo
pragma_warning_info, WarningTxt (GhcPass 'Renamed)
pragma_warning_msg :: TcRnMessage -> WarningTxt (GhcPass 'Renamed)
pragma_warning_msg :: WarningTxt (GhcPass 'Renamed)
pragma_warning_msg}
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"In the use of"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> NameSpace -> SDoc
pprNonVarNameSpace (OccName -> NameSpace
occNameSpace OccName
occ_name)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
occ_name)
, SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens SDoc
imp_msg SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon ]
, WarningTxt (GhcPass 'Renamed) -> SDoc
forall p. WarningTxt p -> SDoc
pprWarningTxtForMsg WarningTxt (GhcPass 'Renamed)
pragma_warning_msg ]
where
occ_name :: OccName
occ_name = PragmaWarningInfo -> OccName
pwarn_occname PragmaWarningInfo
pragma_warning_info
imp_mod :: ModuleName
imp_mod = PragmaWarningInfo -> ModuleName
pwarn_impmod PragmaWarningInfo
pragma_warning_info
imp_msg :: SDoc
imp_msg = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"imported from" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
imp_mod SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
extra
extra :: SDoc
extra | PragmaWarningName {pwarn_declmod :: PragmaWarningInfo -> ModuleName
pwarn_declmod = ModuleName
decl_mod} <- PragmaWarningInfo
pragma_warning_info
, ModuleName
imp_mod ModuleName -> ModuleName -> Bool
forall a. Eq a => a -> a -> Bool
/= ModuleName
decl_mod = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
", but defined in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
decl_mod
| Bool
otherwise = SDoc
forall doc. IsOutput doc => doc
empty
TcRnDifferentExportWarnings Name
name NonEmpty SrcSpan
locs
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"exported with different error messages",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((SrcSpan -> SDoc) -> [SrcSpan] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr ([SrcSpan] -> [SDoc]) -> [SrcSpan] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ (SrcSpan -> SrcSpan -> Ordering) -> [SrcSpan] -> [SrcSpan]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy SrcSpan -> SrcSpan -> Ordering
leftmost_smallest ([SrcSpan] -> [SrcSpan]) -> [SrcSpan] -> [SrcSpan]
forall a b. (a -> b) -> a -> b
$ NonEmpty SrcSpan -> [SrcSpan]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty SrcSpan
locs)]
TcRnIncompleteExportWarnings Name
name NonEmpty SrcSpan
locs
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"will not have its export warned about",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"missing export warning at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((SrcSpan -> SDoc) -> [SrcSpan] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr ([SrcSpan] -> [SDoc]) -> [SrcSpan] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ (SrcSpan -> SrcSpan -> Ordering) -> [SrcSpan] -> [SrcSpan]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy SrcSpan -> SrcSpan -> Ordering
leftmost_smallest ([SrcSpan] -> [SrcSpan]) -> [SrcSpan] -> [SrcSpan]
forall a b. (a -> b) -> a -> b
$ NonEmpty SrcSpan -> [SrcSpan]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty SrcSpan
locs)]
TcRnIllegalHsigDefaultMethods Name
name NonEmpty (LHsBind (GhcPass 'Renamed))
meths
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal default method" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [GenLocated SrcSpanAnnA (HsBind (GhcPass 'Renamed))] -> SDoc
forall a. [a] -> SDoc
plural (NonEmpty (GenLocated SrcSpanAnnA (HsBind (GhcPass 'Renamed)))
-> [GenLocated SrcSpanAnnA (HsBind (GhcPass 'Renamed))]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (LHsBind (GhcPass 'Renamed))
NonEmpty (GenLocated SrcSpanAnnA (HsBind (GhcPass 'Renamed)))
meths) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in class definition of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in hsig file"
TcRnHsigFixityMismatch TyThing
real_thing Fixity
real_fixity Fixity
sig_fixity
->
let ppr_fix :: Fixity -> SDoc
ppr_fix Fixity
f = Fixity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Fixity
f SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> if Fixity
f Fixity -> Fixity -> Bool
forall a. Eq a => a -> a -> Bool
== Fixity
defaultFixity then SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"default") else SDoc
forall doc. IsOutput doc => doc
empty
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [TyThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyThing
real_thing SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has conflicting fixities in the module",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and its hsig file",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Main module:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Fixity -> SDoc
ppr_fix Fixity
real_fixity,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Hsig file:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Fixity -> SDoc
ppr_fix Fixity
sig_fixity]
TcRnHsigShapeMismatch (HsigShapeSortMismatch AvailInfo
info1 AvailInfo
info2)
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"While merging export lists, could not combine"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> AvailInfo -> SDoc
forall a. Outputable a => a -> SDoc
ppr AvailInfo
info1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> AvailInfo -> SDoc
forall a. Outputable a => a -> SDoc
ppr AvailInfo
info2
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"one is a type, the other is a plain identifier")
TcRnHsigShapeMismatch (HsigShapeNotUnifiable Name
name1 Name
name2 Bool
notHere)
->
let extra :: SDoc
extra = if Bool
notHere
then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Neither name variable originates from the current signature."
else SDoc
forall doc. IsOutput doc => doc
empty
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"While merging export lists, could not unify"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name2 SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SDoc
extra
TcRnHsigMissingModuleExport OccName
occ UnitState
unit_state Module
impl_mod
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
occ)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is exported by the hsig file, but not exported by the implementing module"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (UnitState -> SDoc -> SDoc
pprWithUnitState UnitState
unit_state (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ Module -> SDoc
forall a. Outputable a => a -> SDoc
ppr Module
impl_mod)
TcRnBadGenericMethod Name
clas Name
op
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Class", SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
clas),
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has a generic-default signature without a binding", SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
op)]
TcRnWarningMinimalDefIncomplete ClassMinimalDef
mindef
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The MINIMAL pragma does not require:"
, Arity -> SDoc -> SDoc
nest Arity
2 (ClassMinimalDef -> SDoc
forall (p :: Pass).
Outputable (LIdP (GhcPass p)) =>
BooleanFormula (GhcPass p) -> SDoc
pprBooleanFormulaNice ClassMinimalDef
mindef)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but there is no default implementation." ]
TcRnDefaultMethodForPragmaLacksBinding TyVar
sel_id Sig (GhcPass 'Renamed)
prag
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Sig (GhcPass 'Renamed) -> SDoc
forall (p :: Pass). IsPass p => Sig (GhcPass p) -> SDoc
hsSigDoc Sig (GhcPass 'Renamed)
prag SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for default method"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
sel_id)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"lacks an accompanying binding"
TcRnIgnoreSpecialisePragmaOnDefMethod Name
sel_name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ignoring SPECIALISE pragmas on default method"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
sel_name)
TcRnBadMethodErr{Name
badMethodErrClassName :: Name
badMethodErrClassName :: TcRnMessage -> Name
badMethodErrClassName, Name
badMethodErrMethodName :: Name
badMethodErrMethodName :: TcRnMessage -> Name
badMethodErrMethodName}
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Class", SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
badMethodErrClassName),
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not have a method", SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
badMethodErrMethodName)]
TcRnMessage
TcRnIllegalTypeData
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal type-level data declaration"
TcRnTypeDataForbids TypeDataForbids
feature
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
TypeDataForbids -> SDoc
forall a. Outputable a => a -> SDoc
ppr TypeDataForbids
feature SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"are not allowed in type data declarations."
TcRnIllegalNewtype DataCon
con Bool
show_linear_types IllegalNewtypeReason
reason
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc
msg, SDoc
additional]
where
(SDoc
msg,SDoc
additional) =
case IllegalNewtypeReason
reason of
DoesNotHaveSingleField Arity
n_flds ->
([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A newtype constructor must have exactly one field",
Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
speakN Arity
n_flds
],
DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Bool -> DataCon -> Type
dataConDisplayType Bool
show_linear_types DataCon
con))
IllegalNewtypeReason
IsNonLinear ->
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A newtype constructor must be linear",
DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Bool -> DataCon -> Type
dataConDisplayType Bool
True DataCon
con))
IllegalNewtypeReason
IsGADT ->
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A newtype must not be a GADT",
DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen Bool
sneaky_eq_spec
(Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Type -> SDoc) -> Type -> SDoc
forall a b. (a -> b) -> a -> b
$ Bool -> DataCon -> Type
dataConDisplayType Bool
show_linear_types DataCon
con))
IllegalNewtypeReason
HasConstructorContext ->
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A newtype constructor must not have a context in its type",
DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Bool -> DataCon -> Type
dataConDisplayType Bool
show_linear_types DataCon
con))
IllegalNewtypeReason
HasExistentialTyVar ->
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A newtype constructor must not have existential type variables",
DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Bool -> DataCon -> Type
dataConDisplayType Bool
show_linear_types DataCon
con))
IllegalNewtypeReason
HasStrictnessAnnotation ->
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A newtype constructor must not have a strictness annotation", SDoc
forall doc. IsOutput doc => doc
empty)
sneaky_eq_spec :: Bool
sneaky_eq_spec = DataCon -> Bool
isCovertGadtDataCon DataCon
con
TcRnOrPatBindsVariables NonEmpty (IdP (GhcPass 'Renamed))
bndrs -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"An or-pattern may not bind term or type variables such as"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
quotedListWithOr ((Name -> SDoc) -> [Name] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (NonEmpty Name -> [Name]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (IdP (GhcPass 'Renamed))
NonEmpty Name
bndrs))
TcRnUnsatisfiedMinimalDef ClassMinimalDef
mindef
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No explicit implementation for"
,Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ ClassMinimalDef -> SDoc
forall (p :: Pass).
Outputable (LIdP (GhcPass p)) =>
BooleanFormula (GhcPass p) -> SDoc
pprBooleanFormulaNice ClassMinimalDef
mindef
]
TcRnMisplacedInstSig Name
name LHsSigType (GhcPass 'Renamed)
hs_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal type signature in instance declaration:")
Arity
2 (SDoc -> Arity -> SDoc -> SDoc
hang (Name -> SDoc
forall a. NamedThing a => a -> SDoc
pprPrefixName Name
name)
Arity
2 (SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsSigType (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed))
hs_ty))
]
TcRnMessage
TcRnNoRebindableSyntaxRecordDot -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"RebindableSyntax is required if OverloadedRecordUpdate is enabled."
TcRnMessage
TcRnNoFieldPunsRecordDot -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"For this to work enable NamedFieldPuns"
TcRnIllegalStaticExpression HsExpr GhcPs
e -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal static expression:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsExpr GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsExpr GhcPs
e
TcRnListComprehensionDuplicateBinding Name
n -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Duplicate binding in parallel list comprehension for:"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n))
TcRnEmptyStmtsGroup EmptyStatementGroupErrReason
cause -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ case EmptyStatementGroupErrReason
cause of
EmptyStatementGroupErrReason
EmptyStmtsGroupInParallelComp ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Empty statement group in parallel comprehension"
EmptyStatementGroupErrReason
EmptyStmtsGroupInTransformListComp ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Empty statement group preceding 'group' or 'then'"
EmptyStmtsGroupInDoNotation HsDoFlavour
ctxt ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Empty" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsDoFlavour -> SDoc
pprHsDoFlavour HsDoFlavour
ctxt
EmptyStatementGroupErrReason
EmptyStmtsGroupInArrowNotation ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Empty 'do' block in an arrow command"
TcRnLastStmtNotExpr HsStmtContextRn
ctxt (UnexpectedStatement StmtLR GhcPs GhcPs body
stmt) ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> Arity -> SDoc -> SDoc
hang SDoc
last_error Arity
2 (StmtLR GhcPs GhcPs body -> SDoc
forall a. Outputable a => a -> SDoc
ppr StmtLR GhcPs GhcPs body
stmt)
where
last_error :: SDoc
last_error =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The last statement in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsStmtContext (LocatedN Name) -> SDoc
forall fn. Outputable fn => HsStmtContext fn -> SDoc
pprAStmtContext HsStmtContextRn
HsStmtContext (LocatedN Name)
ctxt
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must be an expression"
TcRnUnexpectedStatementInContext HsStmtContextRn
ctxt (UnexpectedStatement StmtLR GhcPs GhcPs body
stmt) Maybe Extension
_ -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unexpected" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> StmtLR GhcPs GhcPs body -> SDoc
forall (p :: Pass) body. IsPass p => Stmt (GhcPass p) body -> SDoc
pprStmtCat StmtLR GhcPs GhcPs body
stmt SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"statement"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsStmtContext (LocatedN Name) -> SDoc
forall fn. Outputable fn => HsStmtContext fn -> SDoc
pprAStmtContext HsStmtContextRn
HsStmtContext (LocatedN Name)
ctxt ]
TcRnMessage
TcRnIllegalTupleSection -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal tuple section"
TcRnIllegalImplicitParameterBindings Either
(HsLocalBindsLR GhcPs GhcPs)
(HsLocalBindsLR (GhcPass 'Renamed) GhcPs)
eBinds -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
(HsLocalBindsLR GhcPs GhcPs -> SDoc)
-> (HsLocalBindsLR (GhcPass 'Renamed) GhcPs -> SDoc)
-> Either
(HsLocalBindsLR GhcPs GhcPs)
(HsLocalBindsLR (GhcPass 'Renamed) GhcPs)
-> SDoc
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either HsLocalBindsLR GhcPs GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
msg HsLocalBindsLR (GhcPass 'Renamed) GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
msg Either
(HsLocalBindsLR GhcPs GhcPs)
(HsLocalBindsLR (GhcPass 'Renamed) GhcPs)
eBinds
where
msg :: a -> SDoc
msg a
binds = SDoc -> Arity -> SDoc -> SDoc
hang
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Implicit-parameter bindings illegal in an mdo expression")
Arity
2 (a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
binds)
TcRnSectionWithoutParentheses HsExpr GhcPs
expr -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A section must be enclosed in parentheses")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"thus:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (HsExpr GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsExpr GhcPs
expr)))
TcRnMissingRoleAnnotation Name
name [Role]
roles -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Missing role annotation" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type role" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep ((Role -> SDoc) -> [Role] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map Role -> SDoc
forall a. Outputable a => a -> SDoc
ppr [Role]
roles))
TcRnIllformedTypePattern Pat (GhcPass 'Renamed)
p
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ill-formed type pattern:") Arity
2 (Pat (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr Pat (GhcPass 'Renamed)
p)
TcRnMessage
TcRnIllegalTypePattern
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal type pattern." SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A type pattern must be checked against a visible forall."
TcRnIllformedTypeArgument LHsExpr (GhcPass 'Renamed)
e
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ill-formed type argument:") Arity
2 (GenLocated SrcSpanAnnA (HsExpr (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsExpr (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (HsExpr (GhcPass 'Renamed))
e)
TcRnIllegalTypeExpr TypeSyntax
syntax -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TypeSyntax -> SDoc
pprTypeSyntaxName TypeSyntax
syntax
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type syntax may only be used in a required type argument,"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"i.e. to instantiate a visible forall." ]
TcRnCapturedTermName RdrName
tv_name Either [GlobalRdrElt] Name
shadowed_term_names
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
tv_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is implicitly quantified," SDoc -> SDoc -> SDoc
$+$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"even though another variable of the same name is in scope:" SDoc -> SDoc -> SDoc
$+$
Arity -> SDoc -> SDoc
nest Arity
2 SDoc
var_names SDoc -> SDoc -> SDoc
$+$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"This is not compatible with the RequiredTypeArguments extension."
where
var_names :: SDoc
var_names = case Either [GlobalRdrElt] Name
shadowed_term_names of
Left [GlobalRdrElt]
gbl_names -> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((GlobalRdrElt -> SDoc) -> [GlobalRdrElt] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (\GlobalRdrElt
name -> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SDoc) -> Name -> SDoc
forall a b. (a -> b) -> a -> b
$ GlobalRdrElt -> Name
forall info. GlobalRdrEltX info -> Name
greName GlobalRdrElt
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GlobalRdrElt -> SDoc
forall info. GlobalRdrEltX info -> SDoc
pprNameProvenance GlobalRdrElt
name) [GlobalRdrElt]
gbl_names)
Right Name
lcl_name -> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
lcl_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"defined at"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcLoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SrcLoc
nameSrcLoc Name
lcl_name)
TcRnBindingOfExistingName RdrName
name -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal binding of an existing name:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (RdrName -> RdrName
filterCTuple RdrName
name)
TcRnMultipleFixityDecls SrcSpan
loc RdrName
rdr_name -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Multiple fixity declarations for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name),
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"also at " SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr SrcSpan
loc]
TcRnMessage
TcRnIllegalPatternSynonymDecl -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal pattern synonym declaration"
TcRnIllegalClassBinding DeclSort
dsort HsBindLR GhcPs GhcPs
bind -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"not allowed in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
decl_sort
, Arity -> SDoc -> SDoc
nest Arity
2 (HsBindLR GhcPs GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsBindLR GhcPs GhcPs
bind) ]
where
decl_sort :: SDoc
decl_sort = case DeclSort
dsort of
DeclSort
ClassDeclSort -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"class declaration:"
DeclSort
InstanceDeclSort -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"instance declaration:"
what :: SDoc
what = case HsBindLR GhcPs GhcPs
bind of
PatBind {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern bindings (except simple variables)"
PatSynBind {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern synonyms"
HsBindLR GhcPs GhcPs
_ -> [Char] -> SDoc -> SDoc
forall a. HasCallStack => [Char] -> SDoc -> a
pprPanic [Char]
"rnMethodBind" (HsBindLR GhcPs GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsBindLR GhcPs GhcPs
bind)
TcRnMessage
TcRnOrphanCompletePragma -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Orphan COMPLETE pragmas not supported" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A COMPLETE pragma must mention at least one data constructor" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or pattern synonym defined in the same module."
TcRnEmptyCase HsMatchContextRn
ctxt -> SDoc -> DecoratedSDoc
mkSimpleDecorated SDoc
message
where
pp_ctxt :: SDoc
pp_ctxt = case HsMatchContextRn
ctxt of
HsMatchContextRn
CaseAlt -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"case expression"
LamAlt HsLamVariant
LamCase -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"\\case expression"
ArrowMatchCtxt (ArrowLamAlt HsLamVariant
LamSingle) -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"kappa abstraction"
ArrowMatchCtxt (ArrowLamAlt HsLamVariant
LamCase) -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"\\case command"
ArrowMatchCtxt HsArrowMatchContext
ArrowCaseAlt -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"case command"
HsMatchContextRn
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(unexpected)"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsMatchContext (LocatedN Name) -> SDoc
forall fn. Outputable fn => HsMatchContext fn -> SDoc
pprMatchContextNoun HsMatchContextRn
HsMatchContext (LocatedN Name)
ctxt
message :: SDoc
message = case HsMatchContextRn
ctxt of
LamAlt HsLamVariant
LamCases -> SDoc
lcases_msg SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"expression"
ArrowMatchCtxt (ArrowLamAlt HsLamVariant
LamCases) -> SDoc
lcases_msg SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"command"
HsMatchContextRn
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Empty list of alternatives in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_ctxt
lcases_msg :: SDoc
lcases_msg =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Empty list of alternatives is not allowed in \\cases"
TcRnNonStdGuards (NonStandardGuards [LStmtLR (GhcPass 'Renamed) (GhcPass 'Renamed) body]
guards) -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"accepting non-standard pattern guards" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
Arity -> SDoc -> SDoc
nest Arity
4 ([GenLocated SrcSpanAnnA (Stmt (GhcPass 'Renamed) body)] -> SDoc
forall a. Outputable a => [a] -> SDoc
interpp'SP [LStmtLR (GhcPass 'Renamed) (GhcPass 'Renamed) body]
[GenLocated SrcSpanAnnA (Stmt (GhcPass 'Renamed) body)]
guards)
TcRnDuplicateSigDecl pairs :: NonEmpty (LocatedN RdrName, Sig GhcPs)
pairs@((L SrcSpanAnnN
_ RdrName
name, Sig GhcPs
sig) :| [(LocatedN RdrName, Sig GhcPs)]
_) -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Duplicate" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what_it_is
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"s for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
name)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((SrcSpan -> SDoc) -> [SrcSpan] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr ([SrcSpan] -> [SDoc]) -> [SrcSpan] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ (SrcSpan -> SrcSpan -> Ordering) -> [SrcSpan] -> [SrcSpan]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy SrcSpan -> SrcSpan -> Ordering
leftmost_smallest
([SrcSpan] -> [SrcSpan]) -> [SrcSpan] -> [SrcSpan]
forall a b. (a -> b) -> a -> b
$ ((LocatedN RdrName, Sig GhcPs) -> SrcSpan)
-> [(LocatedN RdrName, Sig GhcPs)] -> [SrcSpan]
forall a b. (a -> b) -> [a] -> [b]
map (LocatedN RdrName -> SrcSpan
forall a e. HasLoc a => GenLocated a e -> SrcSpan
getLocA (LocatedN RdrName -> SrcSpan)
-> ((LocatedN RdrName, Sig GhcPs) -> LocatedN RdrName)
-> (LocatedN RdrName, Sig GhcPs)
-> SrcSpan
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (LocatedN RdrName, Sig GhcPs) -> LocatedN RdrName
forall a b. (a, b) -> a
fst)
([(LocatedN RdrName, Sig GhcPs)] -> [SrcSpan])
-> [(LocatedN RdrName, Sig GhcPs)] -> [SrcSpan]
forall a b. (a -> b) -> a -> b
$ NonEmpty (LocatedN RdrName, Sig GhcPs)
-> [(LocatedN RdrName, Sig GhcPs)]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (LocatedN RdrName, Sig GhcPs)
pairs)
]
where
what_it_is :: SDoc
what_it_is = Sig GhcPs -> SDoc
forall (p :: Pass). IsPass p => Sig (GhcPass p) -> SDoc
hsSigDoc Sig GhcPs
sig
TcRnMisplacedSigDecl Sig (GhcPass 'Renamed)
sig -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Misplaced" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Sig (GhcPass 'Renamed) -> SDoc
forall (p :: Pass). IsPass p => Sig (GhcPass p) -> SDoc
hsSigDoc Sig (GhcPass 'Renamed)
sig SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon, Sig (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr Sig (GhcPass 'Renamed)
sig]
TcRnUnexpectedDefaultSig Sig GhcPs
sig -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unexpected default signature:")
Arity
2 (Sig GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr Sig GhcPs
sig)
TcRnDuplicateMinimalSig LSig GhcPs
sig1 LSig GhcPs
sig2 [LSig GhcPs]
otherSigs -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Multiple minimal complete definitions"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((SrcSpan -> SDoc) -> [SrcSpan] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr ([SrcSpan] -> [SDoc]) -> [SrcSpan] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ (SrcSpan -> SrcSpan -> Ordering) -> [SrcSpan] -> [SrcSpan]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy SrcSpan -> SrcSpan -> Ordering
leftmost_smallest ([SrcSpan] -> [SrcSpan]) -> [SrcSpan] -> [SrcSpan]
forall a b. (a -> b) -> a -> b
$ (GenLocated SrcSpanAnnA (Sig GhcPs) -> SrcSpan)
-> [GenLocated SrcSpanAnnA (Sig GhcPs)] -> [SrcSpan]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpanAnnA (Sig GhcPs) -> SrcSpan
forall a e. HasLoc a => GenLocated a e -> SrcSpan
getLocA [GenLocated SrcSpanAnnA (Sig GhcPs)]
sigs)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Combine alternative minimal complete definitions with `|'" ]
where
sigs :: [GenLocated SrcSpanAnnA (Sig GhcPs)]
sigs = LSig GhcPs
GenLocated SrcSpanAnnA (Sig GhcPs)
sig1 GenLocated SrcSpanAnnA (Sig GhcPs)
-> [GenLocated SrcSpanAnnA (Sig GhcPs)]
-> [GenLocated SrcSpanAnnA (Sig GhcPs)]
forall a. a -> [a] -> [a]
: LSig GhcPs
GenLocated SrcSpanAnnA (Sig GhcPs)
sig2 GenLocated SrcSpanAnnA (Sig GhcPs)
-> [GenLocated SrcSpanAnnA (Sig GhcPs)]
-> [GenLocated SrcSpanAnnA (Sig GhcPs)]
forall a. a -> [a] -> [a]
: [LSig GhcPs]
[GenLocated SrcSpanAnnA (Sig GhcPs)]
otherSigs
TcRnMessage
TcRnUnexpectedStandaloneDerivingDecl -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal standalone deriving declaration"
TcRnUnusedVariableInRuleDecl FastString
name Name
var -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Rule" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
doubleQuotes (FastString -> SDoc
forall doc. IsLine doc => FastString -> doc
ftext FastString
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Forall'd variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
var) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not appear on left hand side"]
TcRnMessage
TcRnUnexpectedStandaloneKindSig -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal standalone kind signature"
TcRnIllegalRuleLhs RuleLhsErrReason
errReason FastString
name LHsExpr (GhcPass 'Renamed)
lhs HsExpr (GhcPass 'Renamed)
bad_e -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Rule" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> FastString -> SDoc
pprRuleName FastString
name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon,
Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc
err,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in left-hand side:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GenLocated SrcSpanAnnA (HsExpr (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsExpr (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (HsExpr (GhcPass 'Renamed))
lhs])]
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"LHS must be of form (f e1 .. en) where f is not forall'd"
where
err :: SDoc
err = case RuleLhsErrReason
errReason of
UnboundVariable RdrName
uv NotInScopeError
nis -> RdrName -> NotInScopeError -> SDoc
pprScopeError RdrName
uv NotInScopeError
nis
RuleLhsErrReason
IllegalExpression -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal expression:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsExpr (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsExpr (GhcPass 'Renamed)
bad_e
TcRnDuplicateRoleAnnot NonEmpty (LRoleAnnotDecl GhcPs)
list -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Duplicate role annotations for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (RdrName -> SDoc) -> RdrName -> SDoc
forall a b. (a -> b) -> a -> b
$ RoleAnnotDecl GhcPs -> IdP GhcPs
forall (p :: Pass). RoleAnnotDecl (GhcPass p) -> IdP (GhcPass p)
roleAnnotDeclName RoleAnnotDecl GhcPs
first_decl) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs) -> SDoc)
-> [GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs)] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs) -> SDoc
forall {a} {a}. (Outputable a, HasLoc a) => GenLocated a a -> SDoc
pp_role_annot ([GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs)] -> [SDoc])
-> [GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs)] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ NonEmpty (GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs))
-> [GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs)]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs))
sorted_list)
where
sorted_list :: NonEmpty (GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs))
sorted_list = (GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs)
-> GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs) -> Ordering)
-> NonEmpty (GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs))
-> NonEmpty (GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs))
forall a. (a -> a -> Ordering) -> NonEmpty a -> NonEmpty a
NE.sortBy GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs)
-> GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs) -> Ordering
forall {e}.
GenLocated SrcSpanAnnA e -> GenLocated SrcSpanAnnA e -> Ordering
cmp_loc NonEmpty (LRoleAnnotDecl GhcPs)
NonEmpty (GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs))
list
((L SrcSpanAnnA
_ RoleAnnotDecl GhcPs
first_decl) :| [GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs)]
_) = NonEmpty (GenLocated SrcSpanAnnA (RoleAnnotDecl GhcPs))
sorted_list
pp_role_annot :: GenLocated a a -> SDoc
pp_role_annot (L a
loc a
decl) = SDoc -> Arity -> SDoc -> SDoc
hang (a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
decl)
Arity
4 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"-- written at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (a -> SrcSpan
forall a. HasLoc a => a -> SrcSpan
locA a
loc))
cmp_loc :: GenLocated SrcSpanAnnA e -> GenLocated SrcSpanAnnA e -> Ordering
cmp_loc = SrcSpan -> SrcSpan -> Ordering
leftmost_smallest (SrcSpan -> SrcSpan -> Ordering)
-> (GenLocated SrcSpanAnnA e -> SrcSpan)
-> GenLocated SrcSpanAnnA e
-> GenLocated SrcSpanAnnA e
-> Ordering
forall b c a. (b -> b -> c) -> (a -> b) -> a -> a -> c
`on` GenLocated SrcSpanAnnA e -> SrcSpan
forall a e. HasLoc a => GenLocated a e -> SrcSpan
getLocA
TcRnDuplicateKindSig NonEmpty (LStandaloneKindSig GhcPs)
list -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Duplicate standalone kind signatures for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (RdrName -> SDoc) -> RdrName -> SDoc
forall a b. (a -> b) -> a -> b
$ StandaloneKindSig GhcPs -> IdP GhcPs
forall (p :: Pass).
StandaloneKindSig (GhcPass p) -> IdP (GhcPass p)
standaloneKindSigName StandaloneKindSig GhcPs
first_decl) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs) -> SDoc)
-> [GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs)] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs) -> SDoc
forall {a} {a}. (Outputable a, HasLoc a) => GenLocated a a -> SDoc
pp_kisig ([GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs)] -> [SDoc])
-> [GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs)] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ NonEmpty (GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs))
-> [GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs)]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty (GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs))
sorted_list)
where
sorted_list :: NonEmpty (GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs))
sorted_list = (GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs)
-> GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs) -> Ordering)
-> NonEmpty (GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs))
-> NonEmpty (GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs))
forall a. (a -> a -> Ordering) -> NonEmpty a -> NonEmpty a
NE.sortBy GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs)
-> GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs) -> Ordering
forall {e}.
GenLocated SrcSpanAnnA e -> GenLocated SrcSpanAnnA e -> Ordering
cmp_loc NonEmpty (LStandaloneKindSig GhcPs)
NonEmpty (GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs))
list
((L SrcSpanAnnA
_ StandaloneKindSig GhcPs
first_decl) :| [GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs)]
_) = NonEmpty (GenLocated SrcSpanAnnA (StandaloneKindSig GhcPs))
sorted_list
pp_kisig :: GenLocated a a -> SDoc
pp_kisig (L a
loc a
decl) =
SDoc -> Arity -> SDoc -> SDoc
hang (a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
decl) Arity
4 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"-- written at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (a -> SrcSpan
forall a. HasLoc a => a -> SrcSpan
locA a
loc))
cmp_loc :: GenLocated SrcSpanAnnA e -> GenLocated SrcSpanAnnA e -> Ordering
cmp_loc = SrcSpan -> SrcSpan -> Ordering
leftmost_smallest (SrcSpan -> SrcSpan -> Ordering)
-> (GenLocated SrcSpanAnnA e -> SrcSpan)
-> GenLocated SrcSpanAnnA e
-> GenLocated SrcSpanAnnA e
-> Ordering
forall b c a. (b -> b -> c) -> (a -> b) -> a -> a -> c
`on` GenLocated SrcSpanAnnA e -> SrcSpan
forall a e. HasLoc a => GenLocated a e -> SrcSpan
getLocA
TcRnIllegalDerivStrategy DerivStrategy GhcPs
ds -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal deriving strategy" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DerivStrategy GhcPs -> SDoc
forall a. DerivStrategy a -> SDoc
derivStrategyName DerivStrategy GhcPs
ds
TcRnMessage
TcRnIllegalMultipleDerivClauses -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal use of multiple, consecutive deriving clauses"
TcRnNoDerivStratSpecified{} -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text
[Char]
"No deriving strategy specified. Did you want stock, newtype, or anyclass?"
TcRnStupidThetaInGadt{} -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No context is allowed on a GADT-style data declaration",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(You can put a context on each constructor, though.)"]
TcRnShadowedTyVarNameInFamResult IdP GhcPs
resName -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type variable", SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr IdP GhcPs
RdrName
resName) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"naming a type family result,"
] SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"shadows an already bound type variable"
TcRnIncorrectTyVarOnLhsOfInjCond IdP (GhcPass 'Renamed)
resName LIdP GhcPs
injFrom -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> SDoc) -> [Char] -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char]
"Incorrect type variable on the LHS of "
[Char] -> [Char] -> [Char]
forall a. [a] -> [a] -> [a]
++ [Char]
"injectivity condition"
, Arity -> SDoc -> SDoc
nest Arity
5
( [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected :" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr IdP (GhcPass 'Renamed)
Name
resName
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Actual :" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> LocatedN RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr LIdP GhcPs
LocatedN RdrName
injFrom ])]
TcRnUnknownTyVarsOnRhsOfInjCond [Name]
errorVars -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unknown type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Name] -> SDoc
forall a. [a] -> SDoc
plural [Name]
errorVars
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"on the RHS of injectivity condition:"
, [Name] -> SDoc
forall a. Outputable a => [a] -> SDoc
interpp'SP [Name]
errorVars ]
TcRnBadlyStaged StageCheckReason
reason Arity
bind_lvl Arity
use_lvl
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Stage error:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> StageCheckReason -> SDoc
pprStageCheckReason StageCheckReason
reason SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is bound at stage" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Arity
bind_lvl,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but used at stage" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Arity
use_lvl]
] [SDoc] -> [SDoc] -> [SDoc]
forall a. [a] -> [a] -> [a]
++
[ [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Hint: quoting" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc -> SDoc
thBrackets (Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppUnless (Name -> Bool
isValName Name
n) SDoc
"t") (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or an enclosing expression would allow the quotation to be used in an earlier stage"
]
| StageCheckSplice Name
n <- [StageCheckReason
reason]
]
TcRnBadlyStagedType Name
name Arity
bind_lvl Arity
use_lvl
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Badly staged type:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is bound at stage" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Arity
bind_lvl,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but used at stage" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Arity
use_lvl]
TcRnStageRestriction StageCheckReason
reason
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GHC stage restriction:"
, Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ StageCheckReason -> SDoc
pprStageCheckReason StageCheckReason
reason SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is used in a top-level splice, quasi-quote, or annotation,"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and must be imported, not defined locally"])]
TcRnTyThingUsedWrong WrongThingSort
sort TcTyThing
thing Name
name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
WrongThingSort -> TcTyThing -> Name -> SDoc
pprTyThingUsedWrong WrongThingSort
sort TcTyThing
thing Name
name
TcRnCannotDefaultKindVar TyVar
var Type
knd ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot default kind variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
var)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of kind:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
knd
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Perhaps enable PolyKinds or add a kind signature" ])
TcRnUninferrableTyVar [TyVar]
tidied_tvs UninferrableTyVarCtx
context ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen Bool
True (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Uninferrable type variable"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
tidied_tvs
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (TyVar -> SDoc) -> [TyVar] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas TyVar -> SDoc
pprTyVar [TyVar]
tidied_tvs
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in"
, UninferrableTyVarCtx -> SDoc
pprUninferrableTyVarCtx UninferrableTyVarCtx
context ]
TcRnSkolemEscape [TyVar]
escapees TyVar
tv Type
orig_ty ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen Bool
True (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot generalise type; skolem" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
escapees
, SDoc -> SDoc
quotes (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [TyVar] -> SDoc
pprTyVars [TyVar]
escapees
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"would escape" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. [a] -> SDoc
itsOrTheir [TyVar]
escapees SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"scope"
]
, [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"if I tried to quantify"
, TyVar -> SDoc
pprTyVar TyVar
tv
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in this type:"
]
, Arity -> SDoc -> SDoc
nest Arity
2 (Type -> SDoc
pprTidiedType Type
orig_ty)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(Indeed, I sometimes struggle even printing this correctly,"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" due to its ill-scoped nature.)"
]
TcRnPatSynEscapedCoercion TyVar
arg NonEmpty TyVar
bad_co_ne -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Iceland Jack! Iceland Jack! Stop torturing me!"
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern-bound variable")
Arity
2 (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
arg SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyVar -> Type
idType TyVar
arg))
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has a type that mentions pattern-bound coercion"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
bad_co_list SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ((TyVar -> SDoc) -> [TyVar] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr [TyVar]
bad_co_list)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Hint: use -fprint-explicit-coercions to see the coercions"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Probable fix: add a pattern signature" ]
where
bad_co_list :: [TyVar]
bad_co_list = NonEmpty TyVar -> [TyVar]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty TyVar
bad_co_ne
TcRnPatSynExistentialInResult Name
name Type
pat_ty [TyVar]
bad_tvs -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The result type of the signature for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"namely" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
pat_ty) ])
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"mentions existential type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
bad_tvs
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
bad_tvs)
TcRnPatSynArityMismatch Name
name Arity
decl_arity Arity
missing -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern synonym" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc -> SDoc
speakNOf Arity
decl_arity ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"argument"))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but its type signature has" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
missing SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"fewer arrows")
TcRnPatSynInvalidRhs Name
ps_name LPat (GhcPass 'Renamed)
lpat [LIdP (GhcPass 'Renamed)]
_ PatSynInvalidRhsReason
reason -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid right-hand side of bidirectional pattern synonym"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
ps_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 (PatSynInvalidRhsReason -> SDoc
pprPatSynInvalidRhsReason PatSynInvalidRhsReason
reason)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"RHS pattern:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GenLocated SrcSpanAnnA (Pat (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LPat (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (Pat (GhcPass 'Renamed))
lpat ]
TcRnMessage
TcRnTyFamDepsDisabled -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal injectivity annotation"
TcRnMessage
TcRnAbstractClosedTyFamDecl -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"You may define an abstract closed type family" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"only in a .hs-boot file"
TcRnPartialFieldSelector FieldLabel
fld -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Definition of partial record field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (FieldLabel -> OccName
forall name. HasOccName name => name -> OccName
occName FieldLabel
fld)) ]
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Record selection and update using this field will be partial." ]
TcRnHasFieldResolvedIncomplete Name
name [ConLike]
cons Arity
maxCons -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Selecting the record field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"may fail for the following constructors:")
Arity
2
([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> [SDoc] -> [SDoc]
forall doc. IsLine doc => doc -> [doc] -> [doc]
punctuate SDoc
forall doc. IsLine doc => doc
comma ([SDoc] -> [SDoc]) -> [SDoc] -> [SDoc]
forall a b. (a -> b) -> a -> b
$
(ConLike -> SDoc) -> [ConLike] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ConLike -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Arity -> [ConLike] -> [ConLike]
forall a. Arity -> [a] -> [a]
take Arity
maxCons [ConLike]
cons) [SDoc] -> [SDoc] -> [SDoc]
forall a. [a] -> [a] -> [a]
++ [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"..." | [ConLike] -> Arity -> Bool
forall a. [a] -> Arity -> Bool
lengthExceeds [ConLike]
cons Arity
maxCons ])
TcRnBadFieldAnnotation Arity
n DataCon
con BadFieldAnnotationReason
reason -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang (BadFieldAnnotationReason -> SDoc
pprBadFieldAnnotationReason BadFieldAnnotationReason
reason)
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"on the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
speakNth Arity
n
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"argument of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con))
TcRnSuperclassCycle (MkSuperclassCycle Class
cls Bool
definite [SuperclassCycleDetail]
details) ->
let herald :: SDoc
herald | Bool
definite = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Superclass cycle for"
| Bool
otherwise = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Potential superclass cycle for"
in SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
herald SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls), Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat (SuperclassCycleDetail -> SDoc
pprSuperclassCycleDetail (SuperclassCycleDetail -> SDoc)
-> [SuperclassCycleDetail] -> [SDoc]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> [SuperclassCycleDetail]
details))]
TcRnDefaultSigMismatch TyVar
sel_id Type
dm_ty -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The default type signature for"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
sel_id SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
dm_ty)
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not match its corresponding"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"non-default type signature")
TcRnTyFamsDisabled TyFamsDisabledReason
reason -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal family" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
sort SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
name
where
([Char]
sort, SDoc
name) = case TyFamsDisabledReason
reason of
TyFamsDisabledFamily Name
n -> ([Char]
"declaration", Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
n)
TyFamsDisabledInstance TyCon
n -> ([Char]
"instance", TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
n)
TcRnBadTyConTelescope TyCon
tc -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The kind of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is ill-scoped")
Arity
2 SDoc
pp_tc_kind
, SDoc
extra
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Perhaps try this order instead:")
Arity
2 ([TyVar] -> SDoc
pprTyVars [TyVar]
sorted_tvs) ]
where
pp_tc_kind :: SDoc
pp_tc_kind = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Inferred kind:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
ppr_untidy (TyCon -> Type
tyConKind TyCon
tc)
ppr_untidy :: Type -> SDoc
ppr_untidy Type
ty = IfaceType -> SDoc
pprIfaceType (Type -> IfaceType
toIfaceType Type
ty)
tcbs :: [TyConBinder]
tcbs = TyCon -> [TyConBinder]
tyConBinders TyCon
tc
tvs :: [TyVar]
tvs = [TyConBinder] -> [TyVar]
forall tv argf. [VarBndr tv argf] -> [tv]
binderVars [TyConBinder]
tcbs
sorted_tvs :: [TyVar]
sorted_tvs = [TyVar] -> [TyVar]
scopedSort [TyVar]
tvs
inferred_tvs :: [TyVar]
inferred_tvs = [ TyConBinder -> TyVar
forall tv argf. VarBndr tv argf -> tv
binderVar TyConBinder
tcb
| TyConBinder
tcb <- [TyConBinder]
tcbs, ForAllTyFlag
Inferred ForAllTyFlag -> ForAllTyFlag -> Bool
forall a. Eq a => a -> a -> Bool
== TyConBinder -> ForAllTyFlag
tyConBinderForAllTyFlag TyConBinder
tcb ]
specified_tvs :: [TyVar]
specified_tvs = [ TyConBinder -> TyVar
forall tv argf. VarBndr tv argf -> tv
binderVar TyConBinder
tcb
| TyConBinder
tcb <- [TyConBinder]
tcbs, ForAllTyFlag
Specified ForAllTyFlag -> ForAllTyFlag -> Bool
forall a. Eq a => a -> a -> Bool
== TyConBinder -> ForAllTyFlag
tyConBinderForAllTyFlag TyConBinder
tcb ]
extra :: SDoc
extra
| [TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
inferred_tvs Bool -> Bool -> Bool
&& [TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
specified_tvs
= SDoc
forall doc. IsOutput doc => doc
empty
| [TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
inferred_tvs
= SDoc -> SDoc
note (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc
"Specified variables" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_spec SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"always come first"
| [TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
specified_tvs
= SDoc -> SDoc
note SDoc
inf_always_first
| Bool
otherwise
= SDoc -> SDoc
note (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc
inf_always_first SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
SDoc
"then specified variables" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_spec
inf_always_first :: SDoc
inf_always_first = SDoc
"Inferred variables" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_inf SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SDoc
"always come first"
pp_inf :: SDoc
pp_inf = SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"namely:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
pprTyVars [TyVar]
inferred_tvs)
pp_spec :: SDoc
pp_spec = SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"namely:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
pprTyVars [TyVar]
specified_tvs)
TcRnTyFamResultDisabled Name
tc_name LHsTyVarBndr () (GhcPass 'Renamed)
tvb -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal result type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GenLocated SrcSpanAnnA (HsTyVarBndr () (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsTyVarBndr () (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (HsTyVarBndr () (GhcPass 'Renamed))
tvb SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
tc_name)
TcRnRoleValidationFailed Role
role RoleValidationFailedReason
reason -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Internal error in role inference:",
Role -> RoleValidationFailedReason -> SDoc
pprRoleValidationFailedReason Role
role RoleValidationFailedReason
reason,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug"]
TcRnCommonFieldResultTypeMismatch DataCon
con1 DataCon
con2 FieldLabelString
field_name -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Constructors" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con2,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"have a common field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (FieldLabelString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FieldLabelString
field_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma],
Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but have different result types"]
TcRnCommonFieldTypeMismatch DataCon
con1 DataCon
con2 FieldLabelString
field_name -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Constructors" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con2,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"give different types for field", SDoc -> SDoc
quotes (FieldLabelString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FieldLabelString
field_name)]
TcRnClassExtensionDisabled Class
cls DisabledClassExtension
reason -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
Class -> DisabledClassExtension -> SDoc
pprDisabledClassExtension Class
cls DisabledClassExtension
reason
TcRnDataConParentTypeMismatch DataCon
data_con Type
res_ty_tmpl -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Data constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
data_con) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"returns type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
actual_res_ty))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"instead of an instance of its parent type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
res_ty_tmpl))
where
actual_res_ty :: Type
actual_res_ty = DataCon -> Type
dataConOrigResTy DataCon
data_con
TcRnGADTsDisabled Name
tc_name -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal generalised algebraic data declaration for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
tc_name)
TcRnExistentialQuantificationDisabled DataCon
con -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
(SDocContext -> Bool) -> (Bool -> SDoc) -> SDoc
forall a. (SDocContext -> a) -> (a -> SDoc) -> SDoc
sdocOption SDocContext -> Bool
sdocLinearTypes (\Bool
show_linear_types ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Data constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has existential type variables, a context, or a specialised result type")
Arity
2 (DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Bool -> DataCon -> Type
dataConDisplayType Bool
show_linear_types DataCon
con)))
TcRnGADTDataContext Name
tc_name -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A data type declared in GADT style cannot have a context:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
tc_name)
TcRnMultipleConForNewtype Name
tycon Arity
n -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A newtype must have exactly one constructor,",
Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
tycon) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
speakN Arity
n]
TcRnKindSignaturesDisabled Either (HsType GhcPs) (Name, HsType (GhcPass 'Renamed))
thing -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal kind signature" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ((HsType GhcPs -> SDoc)
-> ((Name, HsType (GhcPass 'Renamed)) -> SDoc)
-> Either (HsType GhcPs) (Name, HsType (GhcPass 'Renamed))
-> SDoc
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either HsType GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name, HsType (GhcPass 'Renamed)) -> SDoc
forall {a} {a}. (Outputable a, Outputable a) => (a, a) -> SDoc
with_sig Either (HsType GhcPs) (Name, HsType (GhcPass 'Renamed))
thing)
where
with_sig :: (a, a) -> SDoc
with_sig (a
tc_name, a
ksig) = a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
tc_name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> a -> SDoc
forall a. Outputable a => a -> SDoc
ppr a
ksig
TcRnEmptyDataDeclsDisabled Name
tycon -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
tycon) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has no constructors"
TcRnRoleMismatch Name
var Role
annot Role
inferred -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Role mismatch on variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
var SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Annotation says", Role -> SDoc
forall a. Outputable a => a -> SDoc
ppr Role
annot
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but role", Role -> SDoc
forall a. Outputable a => a -> SDoc
ppr Role
inferred
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is required" ])
TcRnRoleCountMismatch Arity
tyvars d :: LRoleAnnotDecl (GhcPass 'Renamed)
d@(L SrcSpanAnnA
_ (RoleAnnotDecl XCRoleAnnotDecl (GhcPass 'Renamed)
_ LIdP (GhcPass 'Renamed)
_ [XRec (GhcPass 'Renamed) (Maybe Role)]
annots)) -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Wrong number of roles listed in role annotation;" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (Arity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Arity
tyvars) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"got" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (Arity -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Arity -> SDoc) -> Arity -> SDoc
forall a b. (a -> b) -> a -> b
$ [GenLocated EpAnnCO (Maybe Role)] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [XRec (GhcPass 'Renamed) (Maybe Role)]
[GenLocated EpAnnCO (Maybe Role)]
annots) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 (GenLocated SrcSpanAnnA (RoleAnnotDecl (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LRoleAnnotDecl (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (RoleAnnotDecl (GhcPass 'Renamed))
d)
TcRnIllegalRoleAnnotation (RoleAnnotDecl XCRoleAnnotDecl (GhcPass 'Renamed)
_ LIdP (GhcPass 'Renamed)
tycon [XRec (GhcPass 'Renamed) (Maybe Role)]
_) -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal role annotation for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> LocatedN Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr LIdP (GhcPass 'Renamed)
LocatedN Name
tycon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
';' SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"they are allowed only for datatypes and classes.")
TcRnRoleAnnotationsDisabled TyCon
tc -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal role annotation for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc
TcRnIncoherentRoles TyCon
_ -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Roles other than" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"nominal") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for class parameters can lead to incoherence.")
TcRnUnexpectedKindVar RdrName
tv_name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unexpected kind variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
tv_name)
TcRnNegativeNumTypeLiteral HsTyLit GhcPs
tyLit
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal literal in type (type literals must not be negative):" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsTyLit GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsTyLit GhcPs
tyLit
TcRnIllegalKind HsTypeOrSigType GhcPs
ty_thing Bool
_
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal kind:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (HsTypeOrSigType GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsTypeOrSigType GhcPs
ty_thing)
TcRnPrecedenceParsingError (OpName, Fixity)
op1 (OpName, Fixity)
op2
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Precedence parsing error")
Arity
4 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cannot mix", (OpName, Fixity) -> SDoc
ppr_opfix (OpName, Fixity)
op1, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and",
(OpName, Fixity) -> SDoc
ppr_opfix (OpName, Fixity)
op2,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the same infix expression"])
TcRnSectionPrecedenceError (OpName, Fixity)
op (OpName, Fixity)
arg_op HsExpr GhcPs
section
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The operator" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (OpName, Fixity) -> SDoc
ppr_opfix (OpName, Fixity)
op SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of a section",
Arity -> SDoc -> SDoc
nest Arity
4 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must have lower precedence than that of the operand,",
Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"namely" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (OpName, Fixity) -> SDoc
ppr_opfix (OpName, Fixity)
arg_op)]),
Arity -> SDoc -> SDoc
nest Arity
4 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the section:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (HsExpr GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsExpr GhcPs
section))]
TcRnUnexpectedPatSigType HsPatSigType GhcPs
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal type signature:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (HsPatSigType GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsPatSigType GhcPs
ty))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type signatures are only allowed in patterns with ScopedTypeVariables")
TcRnIllegalKindSignature HsType GhcPs
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal kind signature:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (HsType GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsType GhcPs
ty)
TcRnUnusedQuantifiedTypeVar HsDocContext
doc HsTyVarBndrExistentialFlag
tyVar
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unused quantified type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (HsTyVarBndrExistentialFlag -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsTyVarBndrExistentialFlag
tyVar)
, HsDocContext -> SDoc
inHsDocContext HsDocContext
doc ]
TcRnDataKindsError TypeOrKind
typeOrKind Either (HsType GhcPs) Type
thing
-> case Either (HsType GhcPs) Type
thing of
Left HsType GhcPs
renamer_thing ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
ppr_level SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (HsType GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsType GhcPs
renamer_thing)
Right Type
typechecker_thing ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"An occurrence of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
typechecker_thing) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
ppr_level SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"requires DataKinds."
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Future versions of GHC will turn this warning into an error."
]
where
ppr_level :: SDoc
ppr_level = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> SDoc) -> [Char] -> SDoc
forall a b. (a -> b) -> a -> b
$ TypeOrKind -> [Char]
levelString TypeOrKind
typeOrKind
TcRnTypeSynonymCycle TySynCycleTyCons
decl_or_tcs
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cycle in type synonym declarations:"
, Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((Either
TyCon (GenLocated SrcSpanAnnA (TyClDecl (GhcPass 'Renamed)))
-> SDoc)
-> [Either
TyCon (GenLocated SrcSpanAnnA (TyClDecl (GhcPass 'Renamed)))]
-> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map Either TyCon (GenLocated SrcSpanAnnA (TyClDecl (GhcPass 'Renamed)))
-> SDoc
ppr_decl TySynCycleTyCons
[Either
TyCon (GenLocated SrcSpanAnnA (TyClDecl (GhcPass 'Renamed)))]
decl_or_tcs)) ]
where
ppr_decl :: Either TyCon (GenLocated SrcSpanAnnA (TyClDecl (GhcPass 'Renamed)))
-> SDoc
ppr_decl = \case
Right (L SrcSpanAnnA
loc TyClDecl (GhcPass 'Renamed)
decl) -> SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (SrcSpanAnnA -> SrcSpan
forall a. HasLoc a => a -> SrcSpan
locA SrcSpanAnnA
loc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TyClDecl (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyClDecl (GhcPass 'Renamed)
decl
Left TyCon
tc ->
let n :: Name
n = TyCon -> Name
tyConName TyCon
tc
in SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SrcSpan
forall a. NamedThing a => a -> SrcSpan
getSrcSpan Name
n) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyCon -> Name
tyConName TyCon
tc)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"from external module"
TcRnZonkerMessage ZonkerMessage
err
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ ZonkerMessage -> SDoc
pprZonkerMessage ZonkerMessage
err
TcRnInterfaceError IfaceMessage
reason
-> DiagnosticOpts IfaceMessage -> IfaceMessage -> DecoratedSDoc
forall a. Diagnostic a => DiagnosticOpts a -> a -> DecoratedSDoc
diagnosticMessage (TcRnMessageOpts -> IfaceMessageOpts
tcOptsIfaceOpts DiagnosticOpts TcRnMessage
TcRnMessageOpts
opts) IfaceMessage
reason
TcRnSelfImport ModuleName
imp_mod_name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A module cannot import itself:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
imp_mod_name
TcRnNoExplicitImportList ModuleName
mod
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not have an explicit import list"
TcRnSafeImportsDisabled ModuleName
_
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"safe import can't be used as Safe Haskell isn't on!"
TcRnDeprecatedModule ModuleName
mod WarningTxt (GhcPass 'Renamed)
txt
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
extra SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon,
Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((GenLocated
EpaLocation (WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))
-> SDoc)
-> [GenLocated
EpaLocation
(WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))]
-> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (StringLiteral -> SDoc
forall a. Outputable a => a -> SDoc
ppr (StringLiteral -> SDoc)
-> (GenLocated
EpaLocation (WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))
-> StringLiteral)
-> GenLocated
EpaLocation (WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))
-> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed)
-> StringLiteral
forall a pass. WithHsDocIdentifiers a pass -> a
hsDocString (WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed)
-> StringLiteral)
-> (GenLocated
EpaLocation (WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))
-> WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))
-> GenLocated
EpaLocation (WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))
-> StringLiteral
forall b c a. (b -> c) -> (a -> b) -> a -> c
. GenLocated
EpaLocation (WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))
-> WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed)
forall l e. GenLocated l e -> e
unLoc) [GenLocated
EpaLocation
(WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))]
msg)) ]
where
([Char]
extra, [GenLocated
EpaLocation
(WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))]
msg) = case WarningTxt (GhcPass 'Renamed)
txt of
WarningTxt Maybe (LocatedE InWarningCategory)
_ SourceText
_ [GenLocated
EpaLocation
(WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))]
msg -> ([Char]
"", [GenLocated
EpaLocation
(WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))]
msg)
DeprecatedTxt SourceText
_ [GenLocated
EpaLocation
(WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))]
msg -> ([Char]
" is deprecated", [GenLocated
EpaLocation
(WithHsDocIdentifiers StringLiteral (GhcPass 'Renamed))]
msg)
TcRnRedundantSourceImport ModuleName
mod_name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unnecessary {-# SOURCE #-} in the import of module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod_name)
TcRnImportLookup ImportLookupReason
reason
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
ImportLookupReason -> SDoc
pprImportLookup ImportLookupReason
reason
TcRnUnusedImport ImportDecl (GhcPass 'Renamed)
decl UnusedImportReason
reason
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
ImportDecl (GhcPass 'Renamed) -> UnusedImportReason -> SDoc
pprUnusedImport ImportDecl (GhcPass 'Renamed)
decl UnusedImportReason
reason
TcRnDuplicateDecls OccName
name NonEmpty Name
sorted_names
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Multiple declarations of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
name),
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Declared at:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat (NonEmpty SDoc -> [SDoc]
forall a. NonEmpty a -> [a]
NE.toList (NonEmpty SDoc -> [SDoc]) -> NonEmpty SDoc -> [SDoc]
forall a b. (a -> b) -> a -> b
$ SrcLoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr (SrcLoc -> SDoc) -> (Name -> SrcLoc) -> Name -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Name -> SrcLoc
nameSrcLoc (Name -> SDoc) -> NonEmpty Name -> NonEmpty SDoc
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> NonEmpty Name
sorted_names)]
TcRnMessage
TcRnPackageImportsDisabled
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Package-qualified imports are not enabled"
TcRnIllegalDataCon RdrName
name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal data constructor name", SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
name)]
TcRnNestedForallsContexts NestedForallsContextsIn
entity
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cannot contain nested"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
forAllLit SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"s or contexts"
where
what :: SDoc
what = case NestedForallsContextsIn
entity of
NestedForallsContextsIn
NFC_Specialize -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"SPECIALISE instance type"
NestedForallsContextsIn
NFC_ViaType -> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"via") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type"
NestedForallsContextsIn
NFC_GadtConSig -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GADT constructor type signature"
NestedForallsContextsIn
NFC_InstanceHead -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Instance head"
NestedForallsContextsIn
NFC_StandaloneDerivedInstanceHead -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Standalone-derived instance head"
NestedForallsContextsIn
NFC_DerivedClassType -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Derived class type"
TcRnMessage
TcRnRedundantRecordWildcard
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Record wildcard does not bind any new variables"
TcRnUnusedRecordWildcard [Name]
_
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No variables bound in the record wildcard match are used"
TcRnUnusedName OccName
name UnusedNameProv
reason
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
OccName -> UnusedNameProv -> SDoc
pprUnusedName OccName
name UnusedNameProv
reason
TcRnQualifiedBinder RdrName
rdr_name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Qualified name in binding position:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name
TcRnTypeApplicationsDisabled TypeApplication
ty_app
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal visible" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"application" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
ctx SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr SDoc
arg
where
arg :: SDoc
arg = case TypeApplication
ty_app of
TypeApplication HsType GhcPs
ty TypeOrKind
_ -> Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
'@' SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> HsType GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsType GhcPs
ty
TypeApplicationInPattern HsConPatTyArg GhcPs
ty_app -> HsConPatTyArg GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsConPatTyArg GhcPs
ty_app
what :: SDoc
what = case TypeApplication
ty_app of
TypeApplication HsType GhcPs
_ TypeOrKind
ty_or_ki ->
case TypeOrKind
ty_or_ki of
TypeOrKind
TypeLevel -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type"
TypeOrKind
KindLevel -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"kind"
TypeApplicationInPattern HsConPatTyArg GhcPs
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type"
ctx :: SDoc
ctx = case TypeApplication
ty_app of
TypeApplicationInPattern HsConPatTyArg GhcPs
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in a pattern"
TypeApplication
_ -> SDoc
forall doc. IsOutput doc => doc
empty
TcRnInvalidRecordField Name
con FieldLabelString
field
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
con),
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not have field", SDoc -> SDoc
quotes (FieldLabelString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FieldLabelString
field)]
TcRnTupleTooLarge Arity
tup_size
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"A" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
tup_size SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"-tuple is too large for GHC",
Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"max size is" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
mAX_TUPLE_SIZE)),
Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Workaround: use nested tuples or define a data type")]
TcRnCTupleTooLarge Arity
tup_size
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Constraint tuple arity too large:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
tup_size
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"max arity =" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
mAX_CTUPLE_SIZE))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Instead, use a nested tuple")
TcRnIllegalInferredTyVars NonEmpty (HsTyVarBndr Specificity GhcPs)
_
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Inferred type variables are not allowed"
TcRnAmbiguousName GlobalRdrEnv
gre_env RdrName
name NonEmpty GlobalRdrElt
gres
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ambiguous occurrence" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"It could refer to"
, Arity -> SDoc -> SDoc
nest Arity
3 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc]
msgs) ]
where
GlobalRdrElt
np1 NE.:| [GlobalRdrElt]
nps = NonEmpty GlobalRdrElt
gres
msgs :: [SDoc]
msgs = SDoc -> SDoc -> [SDoc] -> [SDoc]
forall doc. IsLine doc => doc -> doc -> [doc] -> [doc]
punctuateFinal SDoc
forall doc. IsLine doc => doc
comma SDoc
forall doc. IsLine doc => doc
dot ([SDoc] -> [SDoc]) -> [SDoc] -> [SDoc]
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"either" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GlobalRdrElt -> SDoc
ppr_gre GlobalRdrElt
np1
SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" or" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GlobalRdrElt -> SDoc
ppr_gre GlobalRdrElt
np | GlobalRdrElt
np <- [GlobalRdrElt]
nps]
ppr_gre :: GlobalRdrElt -> SDoc
ppr_gre GlobalRdrElt
gre = GlobalRdrEnv -> GlobalRdrElt -> SDoc
pprAmbiguousGreName GlobalRdrEnv
gre_env GlobalRdrElt
gre
TcRnBindingNameConflict RdrName
name NonEmpty SrcSpan
locs
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Conflicting definitions for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
name),
SDoc
locations]
where
locations :: SDoc
locations =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Bound at:"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((SrcSpan -> SDoc) -> [SrcSpan] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr ((SrcSpan -> SrcSpan -> Ordering) -> [SrcSpan] -> [SrcSpan]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy SrcSpan -> SrcSpan -> Ordering
leftmost_smallest (NonEmpty SrcSpan -> [SrcSpan]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty SrcSpan
locs)))
TcRnNonCanonicalDefinition NonCanonicalDefinition
reason LHsSigType (GhcPass 'Renamed)
inst_ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
LHsSigType (GhcPass 'Renamed) -> NonCanonicalDefinition -> SDoc
pprNonCanonicalDefinition LHsSigType (GhcPass 'Renamed)
inst_ty NonCanonicalDefinition
reason
TcRnDefaultedExceptionContext CtLoc
ct_loc ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
header, SDoc
warning, SDoc
proposal ]
where
header, warning, proposal :: SDoc
header :: SDoc
header
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Solving for an implicit ExceptionContext constraint"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ CtOrigin -> SDoc
pprCtOrigin (CtLoc -> CtOrigin
ctLocOrigin CtLoc
ct_loc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"." ]
warning :: SDoc
warning
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Future versions of GHC will turn this warning into an error." ]
proposal :: SDoc
proposal
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"See GHC Proposal #330." ]
TcRnMessage
TcRnImplicitImportOfPrelude
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Prelude") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"implicitly imported."
TcRnMissingMain Bool
explicit_export_list Module
main_mod OccName
main_occ
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> OccName -> SDoc
ppMainFn OccName
main_occ
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
defOrExp SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"module"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Module -> SDoc
forall a. Outputable a => a -> SDoc
ppr Module
main_mod)
where
defOrExp :: SDoc
defOrExp :: SDoc
defOrExp | Bool
explicit_export_list = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"exported by"
| Bool
otherwise = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"defined in"
TcRnGhciUnliftedBind TyVar
id
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GHCi can't bind a variable of unlifted type:"
, Arity -> SDoc -> SDoc
nest Arity
2 (TyVar -> SDoc
forall a. OutputableBndr a => a -> SDoc
pprPrefixOcc TyVar
id SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyVar -> Type
idType TyVar
id)) ]
TcRnGhciMonadLookupFail [Char]
ty Maybe [GlobalRdrElt]
lookups
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Can't find type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_ty SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SDoc
ambig_msg)
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"When checking that" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_ty SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is a monad that can execute GHCi statements.")
where
pp_ty :: SDoc
pp_ty = SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
ty)
ambig_msg :: SDoc
ambig_msg = case Maybe [GlobalRdrElt]
lookups of
Just (GlobalRdrElt
_:GlobalRdrElt
_:[GlobalRdrElt]
_) -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The type is ambiguous."
Maybe [GlobalRdrElt]
_ -> SDoc
forall doc. IsOutput doc => doc
empty
TcRnMessage
TcRnIllegalQuasiQuotes -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Quasi-quotes are not permitted without QuasiQuotes"
TcRnTHError THError
err -> THError -> DecoratedSDoc
pprTHError THError
err
TcRnPatersonCondFailure PatersonCondFailure
reason PatersonCondFailureContext
ctxt Type
lhs Type
rhs ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ PatersonCondFailure
-> PatersonCondFailureContext -> Type -> Type -> SDoc
pprPatersonCondFailure PatersonCondFailure
reason PatersonCondFailureContext
ctxt Type
lhs Type
rhs
TcRnIllegalInvisTyVarBndr LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)
bndr ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal invisible type variable binder:")
Arity
2 (GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
-> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)
GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
bndr)
TcRnIllegalWildcardTyVarBndr LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)
bndr ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal wildcard binder:")
Arity
2 (GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
-> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)
GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
bndr)
TcRnInvalidInvisTyVarBndr Name
name LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)
hs_bndr ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid invisible type variable binder:")
Arity
2 (GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
-> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)
GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
hs_bndr)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"There is no matching forall-bound variable"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the standalone kind signature for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
, SDoc -> SDoc
note (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [
SDoc
"Only" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
"forall a." SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"-quantification matches invisible binders,",
SDoc
"whereas" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
"forall {a}." SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"and" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
"forall a ->" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"do not"
]]
TcRnMessage
TcRnDeprecatedInvisTyArgInConPat ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
cat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type applications in constructor patterns will require"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the TypeAbstractions extension starting from GHC 9.14." ]
TcRnInvisBndrWithoutSig Name
_ LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)
hs_bndr ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid invisible type variable binder:")
Arity
2 (GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
-> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)
GenLocated
SrcSpanAnnA
(HsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed))
hs_bndr)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Either a standalone kind signature (SAKS)"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or a complete user-supplied kind (CUSK, legacy feature)"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is required to use invisible binders." ]
TcRnImplicitRhsQuantification LocatedN RdrName
kv -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr LocatedN RdrName
kv) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"occurs free on the RHS of the type declaration"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"In the future GHC will no longer implicitly quantify over such variables"
]
TcRnInvalidDefaultedTyVar [Ct]
wanteds [(TyVar, Type)]
proposal NonEmpty TyVar
bad_tvs ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen Bool
True (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid defaulting proposal."
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The following type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural (NonEmpty TyVar -> [TyVar]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty TyVar
bad_tvs) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cannot be defaulted, as" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
why SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList (NonEmpty TyVar -> [TyVar]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty TyVar
bad_tvs))
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Defaulting proposal:")
Arity
2 ([(TyVar, Type)] -> SDoc
forall a. Outputable a => a -> SDoc
ppr [(TyVar, Type)]
proposal)
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Wanted constraints:")
Arity
2 ([Type] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList ((Ct -> Type) -> [Ct] -> [Type]
forall a b. (a -> b) -> [a] -> [b]
map Ct -> Type
ctPred [Ct]
wanteds))
]
where
why :: SDoc
why
| TyVar
_ :| [] <- NonEmpty TyVar
bad_tvs
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"it is not an unfilled metavariable"
| Bool
otherwise
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"they are not unfilled metavariables"
TcRnNamespacedWarningPragmaWithoutFlag warning :: WarnDecl GhcPs
warning@(Warning (NamespaceSpecifier
kw, (EpToken "[", EpToken "]")
_) [LIdP GhcPs]
_ WarningTxt GhcPs
txt) -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal use of the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (NamespaceSpecifier -> SDoc
forall a. Outputable a => a -> SDoc
ppr NamespaceSpecifier
kw) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"keyword:"
, Arity -> SDoc -> SDoc
nest Arity
2 (WarnDecl GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr WarnDecl GhcPs
warning)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pragma_type SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"pragma"
]
where
pragma_type :: SDoc
pragma_type = case WarningTxt GhcPs
txt of
WarningTxt{} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"WARNING"
DeprecatedTxt{} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"DEPRECATED"
TcRnIllegalInvisibleTypePattern HsTyPat GhcPs
tp -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal invisible type pattern:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsTyPat GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsTyPat GhcPs
tp
TcRnInvisPatWithNoForAll HsTyPat (GhcPass 'Renamed)
tp -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invisible type pattern" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsTyPat (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsTyPat (GhcPass 'Renamed)
tp SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has no associated forall"
TcRnNamespacedFixitySigWithoutFlag sig :: FixitySig GhcPs
sig@(FixitySig XFixitySig GhcPs
kw [LIdP GhcPs]
_ Fixity
_) -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal use of the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (NamespaceSpecifier -> SDoc
forall a. Outputable a => a -> SDoc
ppr XFixitySig GhcPs
NamespaceSpecifier
kw) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"keyword:"
, Arity -> SDoc -> SDoc
nest Arity
2 (FixitySig GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr FixitySig GhcPs
sig)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in a fixity signature"
]
TcRnOutOfArityTyVar Name
ts_name Name
tv_name -> [SDoc] -> DecoratedSDoc
mkDecorated
[ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The arity of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
ts_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is insufficiently high to accommodate"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"an implicit binding for the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
tv_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type variable." ]
, SDoc
suggestion ]
where
suggestion :: SDoc
suggestion =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Use" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
at_bndr SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"on the LHS" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
forall_bndr SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"on the RHS" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to bring it into scope."
at_bndr :: SDoc
at_bndr = Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
'@' SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
tv_name
forall_bndr :: SDoc
forall_bndr = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"forall" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
tv_name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"."
TcRnMisplacedInvisPat HsTyPat GhcPs
tp -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invisible type pattern" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsTyPat GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsTyPat GhcPs
tp SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not allowed here"
TcRnUnexpectedTypeSyntaxInTerms TypeSyntax
syntax -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unexpected" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TypeSyntax -> SDoc
pprTypeSyntaxName TypeSyntax
syntax
diagnosticReason :: TcRnMessage -> DiagnosticReason
diagnosticReason :: TcRnMessage -> DiagnosticReason
diagnosticReason = \case
TcRnUnknownMessage UnknownDiagnostic (DiagnosticOpts TcRnMessage)
m
-> UnknownDiagnostic TcRnMessageOpts -> DiagnosticReason
forall a. Diagnostic a => a -> DiagnosticReason
diagnosticReason UnknownDiagnostic (DiagnosticOpts TcRnMessage)
UnknownDiagnostic TcRnMessageOpts
m
TcRnMessageWithInfo UnitState
_ TcRnMessageDetailed
msg_with_info
-> case TcRnMessageDetailed
msg_with_info of
TcRnMessageDetailed ErrInfo
_ TcRnMessage
m -> TcRnMessage -> DiagnosticReason
forall a. Diagnostic a => a -> DiagnosticReason
diagnosticReason TcRnMessage
m
TcRnWithHsDocContext HsDocContext
_ TcRnMessage
msg
-> TcRnMessage -> DiagnosticReason
forall a. Diagnostic a => a -> DiagnosticReason
diagnosticReason TcRnMessage
msg
TcRnSolverReport SolverReportWithCtxt
_ DiagnosticReason
reason
-> DiagnosticReason
reason
TcRnSolverDepthError {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnRedundantConstraints {}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnRedundantConstraints
TcRnInaccessibleCode {}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnInaccessibleCode
TcRnInaccessibleCoAxBranch {}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnInaccessibleCode
TcRnTypeDoesNotHaveFixedRuntimeRep{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnImplicitLift{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnImplicitLift
TcRnUnusedPatternBinds{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnUnusedPatternBinds
TcRnDodgyImports{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDodgyImports
TcRnDodgyExports{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDodgyExports
TcRnMissingImportList{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnMissingImportList
TcRnUnsafeDueToPlugin{}
-> DiagnosticReason
WarningWithoutFlag
TcRnModMissingRealSrcSpan{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIdNotExportedFromModuleSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIdNotExportedFromLocalSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnShadowedName{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnNameShadowing
TcRnInvalidWarningCategory{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDuplicateWarningDecls{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnSimplifierTooManyIterations{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalPatSynDecl{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnLinearPatSyn{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnEmptyRecordUpdate
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalFieldPunning{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalWildcardsInRecord{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalWildcardInType{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalNamedWildcardInTypeArgument{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalImplicitTyVarInTypeArgument{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDuplicateFieldName{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalViewPattern{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnCharLiteralOutOfRange{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalWildcardsInConstructor{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIgnoringAnnotations{}
-> DiagnosticReason
WarningWithoutFlag
TcRnMessage
TcRnAnnotationInSafeHaskell
-> DiagnosticReason
ErrorWithoutFlag
TcRnInvalidTypeApplication{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnTagToEnumMissingValArg
-> DiagnosticReason
ErrorWithoutFlag
TcRnTagToEnumUnspecifiedResTy{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTagToEnumResTyNotAnEnum{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTagToEnumResTyTypeData{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnArrowIfThenElsePredDependsOnResultTy
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalHsBootOrSigDecl {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBootMismatch {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnRecursivePatternSynonym{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPartialTypeSigTyVarMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPartialTypeSigBadQuantifier{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMissingSignature MissingSignature
what Exported
exported
-> NonEmpty WarningFlag -> DiagnosticReason
WarningWithFlags (NonEmpty WarningFlag -> DiagnosticReason)
-> NonEmpty WarningFlag -> DiagnosticReason
forall a b. (a -> b) -> a -> b
$ MissingSignature -> Exported -> NonEmpty WarningFlag
missingSignatureWarningFlags MissingSignature
what Exported
exported
TcRnPolymorphicBinderMissingSig{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnMissingLocalSignatures
TcRnOverloadedSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTupleConstraintInst{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUserTypeError{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnConstraintInKind{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnboxedTupleOrSumTypeFuncArg{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnLinearFuncInKind{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnForAllEscapeError{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnSimplifiableConstraint{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnSimplifiableClassConstraints
TcRnArityMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalInstance IllegalInstanceReason
rea
-> IllegalInstanceReason -> DiagnosticReason
illegalInstanceReason IllegalInstanceReason
rea
TcRnVDQInTermType{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBadQuantPredHead{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalTupleConstraint{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNonTypeVarArgInConstraint{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalImplicitParam{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalConstraintSynonymOfKind{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnOversaturatedVisibleKindArg{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnForAllRankErr{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMonomorphicBindings{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnMonomorphism
TcRnOrphanInstance{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnOrphans
TcRnFunDepConflict{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDupInstanceDecls{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnConflictingFamInstDecls{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnFamInstNotInjective{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBangOnUnliftedType{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnRedundantStrictnessFlags
TcRnLazyBangOnUnliftedType{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnRedundantStrictnessFlags
TcRnMultipleDefaultDeclarations{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBadDefaultType{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPatSynBundledWithNonDataCon{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPatSynBundledWithWrongType{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDupeModuleExport{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDuplicateExports
TcRnExportedModNotImported{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNullExportedModule{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDodgyExports
TcRnMissingExportList{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnMissingExportList
TcRnExportHiddenComponents{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnExportHiddenDefault{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDuplicateExport{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDuplicateExports
TcRnExportedParentChildMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnConflictingExports{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDuplicateFieldExport {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnAmbiguousFieldInUpdate {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnAmbiguousRecordUpdate{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnAmbiguousFields
TcRnMissingFields{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnMissingFields
TcRnFieldUpdateInvalidType{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMissingStrictFields{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBadRecordUpdate{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalStaticExpression {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnStaticFormNotClosed{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnUselessTypeable
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDerivingTypeable
TcRnDerivingDefaults{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDerivingDefaults
TcRnNonUnaryTypeclassConstraint{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPartialTypeSignatures{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnPartialTypeSignatures
TcRnCannotDeriveInstance Class
_ [Type]
_ Maybe (DerivStrategy GhcTc)
_ UsingGeneralizedNewtypeDeriving
_ DeriveInstanceErrReason
rea
-> case DeriveInstanceErrReason
rea of
DerivErrNotWellKinded{} -> DiagnosticReason
ErrorWithoutFlag
DeriveInstanceErrReason
DerivErrSafeHaskellGenericInst -> DiagnosticReason
ErrorWithoutFlag
DerivErrDerivingViaWrongKind{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrNoEtaReduce{} -> DiagnosticReason
ErrorWithoutFlag
DeriveInstanceErrReason
DerivErrBootFileFound -> DiagnosticReason
ErrorWithoutFlag
DerivErrDataConsNotAllInScope{} -> DiagnosticReason
ErrorWithoutFlag
DeriveInstanceErrReason
DerivErrGNDUsedOnData -> DiagnosticReason
ErrorWithoutFlag
DeriveInstanceErrReason
DerivErrNullaryClasses -> DiagnosticReason
ErrorWithoutFlag
DeriveInstanceErrReason
DerivErrLastArgMustBeApp -> DiagnosticReason
ErrorWithoutFlag
DerivErrNoFamilyInstance{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrNotStockDeriveable{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrHasAssociatedDatatypes{} -> DiagnosticReason
ErrorWithoutFlag
DeriveInstanceErrReason
DerivErrNewtypeNonDeriveableClass -> DiagnosticReason
ErrorWithoutFlag
DerivErrCannotEtaReduceEnough{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrOnlyAnyClassDeriveable{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrNotDeriveable{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrNotAClass{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrNoConstructors{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrLangExtRequired{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrDunnoHowToDeriveForType{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrMustBeEnumType{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrMustHaveExactlyOneConstructor{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrMustHaveSomeParameters{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrMustNotHaveClassContext{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrBadConstructor{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrGenerics{} -> DiagnosticReason
ErrorWithoutFlag
DerivErrEnumOrProduct{} -> DiagnosticReason
ErrorWithoutFlag
TcRnLookupInstance Class
_ [Type]
_ LookupInstanceErrReason
_
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnLazyGADTPattern
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnArrowProcGADTPattern
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnTypeEqualityOutOfScope
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnTypeEqualityOutOfScope
TcRnMessage
TcRnTypeEqualityRequiresOperators
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnTypeEqualityRequiresOperators
TcRnIllegalTypeOperator {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalTypeOperatorDecl {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnGADTMonoLocalBinds {}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnGADTMonoLocalBinds
TcRnIncorrectNameSpace {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNotInScope {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTermNameInType {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUntickedPromotedThing {}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnUntickedPromotedConstructors
TcRnIllegalBuiltinSyntax {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnWarnDefaulting {}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnTypeDefaults
TcRnWarnClashingDefaultImports {}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnTypeDefaults
TcRnForeignImportPrimExtNotSet{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnForeignImportPrimSafeAnn{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnForeignFunctionImportAsValue{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnFunPtrImportWithoutAmpersand{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDodgyForeignImports
TcRnIllegalForeignDeclBackend{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnsupportedCallConv Either
(ForeignExport (GhcPass 'Renamed))
(ForeignImport (GhcPass 'Renamed))
_ UnsupportedCallConvention
unsupportedCC
-> case UnsupportedCallConvention
unsupportedCC of
UnsupportedCallConvention
StdCallConvUnsupported -> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnUnsupportedCallingConventions
UnsupportedCallConvention
_ -> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalForeignType{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnInvalidCIdentifier{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnExpectedValueId{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnRecSelectorEscapedTyVar{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPatSynNotBidirectional{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalDerivingItem{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalDefaultClass{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalNamedDefault{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnexpectedAnnotation{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalRecordSyntax{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnInvalidVisibleKindArgument{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTooManyBinders{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDifferentNamesForTyVar{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDisconnectedTyVar{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnInvalidReturnKind{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnClassKindNotConstraint{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnpromotableThing{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalTermLevelUse{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMatchesHaveDiffNumArgs{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnCannotBindScopedTyVarInPatSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnCannotBindTyVarsInPatBind{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTooManyTyArgsInConPattern{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMultipleInlinePragmas{}
-> DiagnosticReason
WarningWithoutFlag
TcRnUnexpectedPragmas{}
-> DiagnosticReason
WarningWithoutFlag
TcRnNonOverloadedSpecialisePragma{}
-> DiagnosticReason
WarningWithoutFlag
TcRnSpecialiseNotVisible{}
-> DiagnosticReason
WarningWithoutFlag
TcRnPragmaWarning{WarningTxt (GhcPass 'Renamed)
pragma_warning_msg :: TcRnMessage -> WarningTxt (GhcPass 'Renamed)
pragma_warning_msg :: WarningTxt (GhcPass 'Renamed)
pragma_warning_msg}
-> WarningCategory -> DiagnosticReason
WarningWithCategory (WarningTxt (GhcPass 'Renamed) -> WarningCategory
forall pass. WarningTxt pass -> WarningCategory
warningTxtCategory WarningTxt (GhcPass 'Renamed)
pragma_warning_msg)
TcRnDifferentExportWarnings Name
_ NonEmpty SrcSpan
_
-> DiagnosticReason
ErrorWithoutFlag
TcRnIncompleteExportWarnings Name
_ NonEmpty SrcSpan
_
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnIncompleteExportWarnings
TcRnIllegalHsigDefaultMethods{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnHsigFixityMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnHsigShapeMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnHsigMissingModuleExport{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBadGenericMethod{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnWarningMinimalDefIncomplete{}
-> DiagnosticReason
WarningWithoutFlag
TcRnDefaultMethodForPragmaLacksBinding{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIgnoreSpecialisePragmaOnDefMethod{}
-> DiagnosticReason
WarningWithoutFlag
TcRnBadMethodErr{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnIllegalTypeData
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalQuasiQuotes{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTHError THError
err
-> THError -> DiagnosticReason
thErrorReason THError
err
TcRnTypeDataForbids{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalNewtype{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnOrPatBindsVariables{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnsatisfiedMinimalDef{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag (WarningFlag
Opt_WarnMissingMethods)
TcRnMisplacedInstSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNoRebindableSyntaxRecordDot{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNoFieldPunsRecordDot{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnListComprehensionDuplicateBinding{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnEmptyStmtsGroup{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnLastStmtNotExpr{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnexpectedStatementInContext{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnSectionWithoutParentheses{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalImplicitParameterBindings{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalTupleSection{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnCapturedTermName{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnTermVariableCapture
TcRnBindingOfExistingName{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMultipleFixityDecls{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalPatternSynonymDecl{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalClassBinding{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnOrphanCompletePragma{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnEmptyCase{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNonStdGuards{}
-> DiagnosticReason
WarningWithoutFlag
TcRnDuplicateSigDecl{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMisplacedSigDecl{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnexpectedDefaultSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDuplicateMinimalSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnexpectedStandaloneDerivingDecl{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnusedVariableInRuleDecl{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnexpectedStandaloneKindSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalRuleLhs{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDuplicateRoleAnnot{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDuplicateKindSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalDerivStrategy{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalMultipleDerivClauses{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNoDerivStratSpecified{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnMissingDerivingStrategies
TcRnStupidThetaInGadt{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnShadowedTyVarNameInFamResult{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIncorrectTyVarOnLhsOfInjCond{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnknownTyVarsOnRhsOfInjCond{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBadlyStaged{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBadlyStagedType{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnBadlyStagedTypes
TcRnStageRestriction{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTyThingUsedWrong{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnCannotDefaultKindVar{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUninferrableTyVar{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnSkolemEscape{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPatSynEscapedCoercion{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPatSynExistentialInResult{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPatSynArityMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPatSynInvalidRhs{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTyFamDepsDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnAbstractClosedTyFamDecl{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPartialFieldSelector{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnPartialFields
TcRnHasFieldResolvedIncomplete{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnIncompleteRecordSelectors
TcRnBadFieldAnnotation Arity
_ DataCon
_ BadFieldAnnotationReason
LazyFieldsDisabled
-> DiagnosticReason
ErrorWithoutFlag
TcRnBadFieldAnnotation{}
-> DiagnosticReason
WarningWithoutFlag
TcRnSuperclassCycle{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDefaultSigMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTyFamsDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBadTyConTelescope {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTyFamResultDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnRoleValidationFailed{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnCommonFieldResultTypeMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnCommonFieldTypeMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnClassExtensionDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDataConParentTypeMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnGADTsDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnExistentialQuantificationDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnGADTDataContext{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMultipleConForNewtype{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnKindSignaturesDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnEmptyDataDeclsDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnRoleMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnRoleCountMismatch{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalRoleAnnotation{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnRoleAnnotationsDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIncoherentRoles{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnexpectedKindVar{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNegativeNumTypeLiteral{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalKind{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnPrecedenceParsingError{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnSectionPrecedenceError{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnexpectedPatSigType{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalKindSignature{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnusedQuantifiedTypeVar{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnUnusedForalls
TcRnDataKindsError TypeOrKind
_ Either (HsType GhcPs) Type
thing
-> case Either (HsType GhcPs) Type
thing of
Left HsType GhcPs
_ -> DiagnosticReason
ErrorWithoutFlag
Right Type
_ -> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDataKindsTC
TcRnTypeSynonymCycle{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnZonkerMessage ZonkerMessage
msg
-> ZonkerMessage -> DiagnosticReason
zonkerMessageReason ZonkerMessage
msg
TcRnInterfaceError IfaceMessage
err
-> IfaceMessage -> DiagnosticReason
interfaceErrorReason IfaceMessage
err
TcRnSelfImport{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNoExplicitImportList{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnMissingImportList
TcRnSafeImportsDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDeprecatedModule ModuleName
_ WarningTxt (GhcPass 'Renamed)
txt
-> WarningCategory -> DiagnosticReason
WarningWithCategory (WarningTxt (GhcPass 'Renamed) -> WarningCategory
forall pass. WarningTxt pass -> WarningCategory
warningTxtCategory WarningTxt (GhcPass 'Renamed)
txt)
TcRnRedundantSourceImport{}
-> DiagnosticReason
WarningWithoutFlag
TcRnImportLookup{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnusedImport{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnUnusedImports
TcRnDuplicateDecls{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnPackageImportsDisabled
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalDataCon{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNestedForallsContexts{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMessage
TcRnRedundantRecordWildcard
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnRedundantRecordWildcards
TcRnUnusedRecordWildcard{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnUnusedRecordWildcards
TcRnUnusedName OccName
_ UnusedNameProv
prov
-> WarningFlag -> DiagnosticReason
WarningWithFlag (WarningFlag -> DiagnosticReason)
-> WarningFlag -> DiagnosticReason
forall a b. (a -> b) -> a -> b
$ case UnusedNameProv
prov of
UnusedNameProv
UnusedNameTopDecl -> WarningFlag
Opt_WarnUnusedTopBinds
UnusedNameImported ModuleName
_ -> WarningFlag
Opt_WarnUnusedTopBinds
UnusedNameProv
UnusedNameTypePattern -> WarningFlag
Opt_WarnUnusedTypePatterns
UnusedNameProv
UnusedNameMatch -> WarningFlag
Opt_WarnUnusedMatches
UnusedNameProv
UnusedNameLocalBind -> WarningFlag
Opt_WarnUnusedLocalBinds
TcRnQualifiedBinder{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTypeApplicationsDisabled{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnInvalidRecordField{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnTupleTooLarge{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnCTupleTooLarge{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalInferredTyVars{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnAmbiguousName{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnBindingNameConflict{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNonCanonicalDefinition (NonCanonicalMonoid NonCanonical_Monoid
_) LHsSigType (GhcPass 'Renamed)
_
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnNonCanonicalMonoidInstances
TcRnNonCanonicalDefinition (NonCanonicalMonad NonCanonical_Monad
_) LHsSigType (GhcPass 'Renamed)
_
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnNonCanonicalMonadInstances
TcRnDefaultedExceptionContext{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDefaultedExceptionContext
TcRnImplicitImportOfPrelude {}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnImplicitPrelude
TcRnMissingMain {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnGhciUnliftedBind {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnGhciMonadLookupFail {}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMissingRoleAnnotation{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnMissingRoleAnnotations
TcRnIllegalInvisTyVarBndr{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalWildcardTyVarBndr{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnDeprecatedInvisTyArgInConPat {}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnDeprecatedTypeAbstractions
TcRnInvalidInvisTyVarBndr{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnInvisBndrWithoutSig{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnImplicitRhsQuantification{}
-> WarningFlag -> DiagnosticReason
WarningWithFlag WarningFlag
Opt_WarnImplicitRhsQuantification
TcRnPatersonCondFailure{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllformedTypePattern{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalTypePattern{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllformedTypeArgument{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalTypeExpr{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnInvalidDefaultedTyVar{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNamespacedWarningPragmaWithoutFlag{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnIllegalInvisibleTypePattern{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnInvisPatWithNoForAll{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnNamespacedFixitySigWithoutFlag{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnOutOfArityTyVar{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnMisplacedInvisPat{}
-> DiagnosticReason
ErrorWithoutFlag
TcRnUnexpectedTypeSyntaxInTerms{}
-> DiagnosticReason
ErrorWithoutFlag
diagnosticHints :: TcRnMessage -> [GhcHint]
diagnosticHints = \case
TcRnUnknownMessage UnknownDiagnostic (DiagnosticOpts TcRnMessage)
m
-> UnknownDiagnostic TcRnMessageOpts -> [GhcHint]
forall a. Diagnostic a => a -> [GhcHint]
diagnosticHints UnknownDiagnostic (DiagnosticOpts TcRnMessage)
UnknownDiagnostic TcRnMessageOpts
m
TcRnMessageWithInfo UnitState
_ TcRnMessageDetailed
msg_with_info
-> case TcRnMessageDetailed
msg_with_info of
TcRnMessageDetailed ErrInfo
_ TcRnMessage
m -> TcRnMessage -> [GhcHint]
forall a. Diagnostic a => a -> [GhcHint]
diagnosticHints TcRnMessage
m
TcRnWithHsDocContext HsDocContext
_ TcRnMessage
msg
-> TcRnMessage -> [GhcHint]
forall a. Diagnostic a => a -> [GhcHint]
diagnosticHints TcRnMessage
msg
TcRnSolverReport (SolverReportWithCtxt SolverReportErrCtxt
ctxt TcSolverReportMsg
msg) DiagnosticReason
_
-> SolverReportErrCtxt -> TcSolverReportMsg -> [GhcHint]
tcSolverReportMsgHints SolverReportErrCtxt
ctxt TcSolverReportMsg
msg
TcRnSolverDepthError {}
-> [GhcHint
SuggestIncreaseReductionDepth]
TcRnRedundantConstraints{}
-> [GhcHint]
noHints
TcRnInaccessibleCode{}
-> [GhcHint]
noHints
TcRnInaccessibleCoAxBranch{}
-> [GhcHint]
noHints
TcRnTypeDoesNotHaveFixedRuntimeRep{}
-> [GhcHint]
noHints
TcRnImplicitLift{}
-> [GhcHint]
noHints
TcRnUnusedPatternBinds{}
-> [GhcHint]
noHints
TcRnDodgyImports{}
-> [GhcHint]
noHints
TcRnDodgyExports{}
-> [GhcHint]
noHints
TcRnMissingImportList{}
-> [GhcHint]
noHints
TcRnUnsafeDueToPlugin{}
-> [GhcHint]
noHints
TcRnModMissingRealSrcSpan{}
-> [GhcHint]
noHints
TcRnIdNotExportedFromModuleSig Name
name Module
mod
-> [Name -> Maybe Module -> GhcHint
SuggestAddToHSigExportList Name
name (Maybe Module -> GhcHint) -> Maybe Module -> GhcHint
forall a b. (a -> b) -> a -> b
$ Module -> Maybe Module
forall a. a -> Maybe a
Just Module
mod]
TcRnIdNotExportedFromLocalSig Name
name
-> [Name -> Maybe Module -> GhcHint
SuggestAddToHSigExportList Name
name Maybe Module
forall a. Maybe a
Nothing]
TcRnShadowedName{}
-> [GhcHint]
noHints
TcRnInvalidWarningCategory{}
-> [GhcHint]
noHints
TcRnDuplicateWarningDecls{}
-> [GhcHint]
noHints
TcRnSimplifierTooManyIterations{}
-> [GhcHint
SuggestIncreaseSimplifierIterations]
TcRnIllegalPatSynDecl{}
-> [GhcHint]
noHints
TcRnLinearPatSyn{}
-> [GhcHint]
noHints
TcRnEmptyRecordUpdate{}
-> [GhcHint]
noHints
TcRnIllegalFieldPunning{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.NamedFieldPuns]
TcRnIllegalWildcardsInRecord{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.RecordWildCards]
TcRnIllegalWildcardInType{}
-> [GhcHint]
noHints
TcRnIllegalNamedWildcardInTypeArgument{}
-> [GhcHint
SuggestAnonymousWildcard]
TcRnIllegalImplicitTyVarInTypeArgument RdrName
tv
-> [RdrName -> GhcHint
SuggestExplicitQuantification RdrName
tv]
TcRnDuplicateFieldName{}
-> [GhcHint]
noHints
TcRnIllegalViewPattern{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.ViewPatterns]
TcRnCharLiteralOutOfRange{}
-> [GhcHint]
noHints
TcRnIllegalWildcardsInConstructor{}
-> [GhcHint]
noHints
TcRnIgnoringAnnotations{}
-> [GhcHint]
noHints
TcRnMessage
TcRnAnnotationInSafeHaskell
-> [GhcHint]
noHints
TcRnInvalidTypeApplication{}
-> [GhcHint]
noHints
TcRnMessage
TcRnTagToEnumMissingValArg
-> [GhcHint]
noHints
TcRnTagToEnumUnspecifiedResTy{}
-> [GhcHint]
noHints
TcRnTagToEnumResTyNotAnEnum{}
-> [GhcHint]
noHints
TcRnTagToEnumResTyTypeData{}
-> [GhcHint]
noHints
TcRnMessage
TcRnArrowIfThenElsePredDependsOnResultTy
-> [GhcHint]
noHints
TcRnIllegalHsBootOrSigDecl {}
-> [GhcHint]
noHints
TcRnBootMismatch HsBootOrSig
boot_or_sig BootMismatch
err
| HsBootOrSig
Hsig <- HsBootOrSig
boot_or_sig
, BootMismatch TyThing
_ TyThing
_ (BootMismatchedTyCons TyCon
_boot_tc TyCon
real_tc NonEmpty BootTyConMismatch
tc_errs) <- BootMismatch
err
, (BootTyConMismatch -> Bool) -> [BootTyConMismatch] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any BootTyConMismatch -> Bool
is_synAbsData_etaReduce (NonEmpty BootTyConMismatch -> [BootTyConMismatch]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty BootTyConMismatch
tc_errs)
-> [TyCon -> GhcHint
SuggestEtaReduceAbsDataTySyn TyCon
real_tc]
| Bool
otherwise
-> [GhcHint]
noHints
where
is_synAbsData_etaReduce :: BootTyConMismatch -> Bool
is_synAbsData_etaReduce (SynAbstractData SynAbstractDataError
SynAbsDataTySynNotNullary) = Bool
True
is_synAbsData_etaReduce BootTyConMismatch
_ = Bool
False
TcRnRecursivePatternSynonym{}
-> [GhcHint]
noHints
TcRnPartialTypeSigTyVarMismatch{}
-> [GhcHint]
noHints
TcRnPartialTypeSigBadQuantifier{}
-> [GhcHint]
noHints
TcRnMissingSignature {}
-> [GhcHint]
noHints
TcRnPolymorphicBinderMissingSig{}
-> [GhcHint]
noHints
TcRnOverloadedSig{}
-> [GhcHint]
noHints
TcRnTupleConstraintInst{}
-> [GhcHint]
noHints
TcRnUserTypeError{}
-> [GhcHint]
noHints
TcRnConstraintInKind{}
-> [GhcHint]
noHints
TcRnUnboxedTupleOrSumTypeFuncArg UnboxedTupleOrSum
tuple_or_sum Type
_
-> [Extension -> GhcHint
suggestExtension (Extension -> GhcHint) -> Extension -> GhcHint
forall a b. (a -> b) -> a -> b
$ UnboxedTupleOrSum -> Extension
unboxedTupleOrSumExtension UnboxedTupleOrSum
tuple_or_sum]
TcRnLinearFuncInKind{}
-> [GhcHint]
noHints
TcRnForAllEscapeError{}
-> [GhcHint]
noHints
TcRnVDQInTermType Maybe Type
mb_ty
| Maybe Type -> Bool
forall a. Maybe a -> Bool
isJust Maybe Type
mb_ty -> [Extension -> GhcHint
suggestExtension Extension
LangExt.RequiredTypeArguments]
| Bool
otherwise -> []
TcRnBadQuantPredHead{}
-> [GhcHint]
noHints
TcRnIllegalTupleConstraint{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.ConstraintKinds]
TcRnNonTypeVarArgInConstraint{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.FlexibleContexts]
TcRnIllegalImplicitParam{}
-> [GhcHint]
noHints
TcRnIllegalConstraintSynonymOfKind{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.ConstraintKinds]
TcRnOversaturatedVisibleKindArg{}
-> [GhcHint]
noHints
TcRnForAllRankErr Rank
rank Type
_
-> case Rank
rank of
LimitedRank{} -> [Extension -> GhcHint
suggestExtension Extension
LangExt.RankNTypes]
Rank
MonoTypeRankZero -> [Extension -> GhcHint
suggestExtension Extension
LangExt.RankNTypes]
Rank
MonoTypeTyConArg -> [Extension -> GhcHint
suggestExtension Extension
LangExt.ImpredicativeTypes]
Rank
MonoTypeSynArg -> [Extension -> GhcHint
suggestExtension Extension
LangExt.LiberalTypeSynonyms]
Rank
MonoTypeConstraint -> [Extension -> GhcHint
suggestExtension Extension
LangExt.QuantifiedConstraints]
Rank
_ -> [GhcHint]
noHints
TcRnSimplifiableConstraint{}
-> [GhcHint]
noHints
TcRnArityMismatch{}
-> [GhcHint]
noHints
TcRnIllegalInstance IllegalInstanceReason
rea
-> IllegalInstanceReason -> [GhcHint]
illegalInstanceHints IllegalInstanceReason
rea
TcRnMonomorphicBindings [Name]
bindings
-> case [Name]
bindings of
[] -> [GhcHint]
noHints
(Name
x:[Name]
xs) -> [AvailableBindings -> GhcHint
SuggestAddTypeSignatures (AvailableBindings -> GhcHint) -> AvailableBindings -> GhcHint
forall a b. (a -> b) -> a -> b
$ NonEmpty Name -> AvailableBindings
NamedBindings (Name
x Name -> [Name] -> NonEmpty Name
forall a. a -> [a] -> NonEmpty a
NE.:| [Name]
xs)]
TcRnOrphanInstance Either ClsInst FamInst
clsOrFamInst
-> [SuggestFixOrphanInst { isFamilyInstance :: Maybe FamFlavor
isFamilyInstance = Maybe FamFlavor
isFam }]
where
isFam :: Maybe FamFlavor
isFam = case Either ClsInst FamInst
clsOrFamInst :: Either ClsInst FamInst of
Left ClsInst
_clsInst -> Maybe FamFlavor
forall a. Maybe a
Nothing
Right FamInst
famInst -> FamFlavor -> Maybe FamFlavor
forall a. a -> Maybe a
Just (FamFlavor -> Maybe FamFlavor) -> FamFlavor -> Maybe FamFlavor
forall a b. (a -> b) -> a -> b
$ FamInst -> FamFlavor
fi_flavor FamInst
famInst
TcRnFunDepConflict{}
-> [GhcHint]
noHints
TcRnDupInstanceDecls{}
-> [GhcHint]
noHints
TcRnConflictingFamInstDecls{}
-> [GhcHint]
noHints
TcRnFamInstNotInjective InjectivityErrReason
rea TyCon
_ NonEmpty CoAxBranch
_
-> case InjectivityErrReason
rea of
InjErrRhsBareTyVar{} -> [GhcHint]
noHints
InjectivityErrReason
InjErrRhsCannotBeATypeFam -> [GhcHint]
noHints
InjectivityErrReason
InjErrRhsOverlap -> [GhcHint]
noHints
InjErrCannotInferFromRhs VarSet
_ HasKinds
_ SuggestUndecidableInstances
suggestUndInst
| SuggestUndecidableInstances
YesSuggestUndecidableInstaces <- SuggestUndecidableInstances
suggestUndInst
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.UndecidableInstances]
| Bool
otherwise
-> [GhcHint]
noHints
TcRnBangOnUnliftedType{}
-> [GhcHint]
noHints
TcRnLazyBangOnUnliftedType{}
-> [GhcHint]
noHints
TcRnMultipleDefaultDeclarations{}
-> [GhcHint]
noHints
TcRnBadDefaultType{}
-> [GhcHint]
noHints
TcRnPatSynBundledWithNonDataCon{}
-> [GhcHint]
noHints
TcRnPatSynBundledWithWrongType{}
-> [GhcHint]
noHints
TcRnDupeModuleExport{}
-> [GhcHint]
noHints
TcRnExportedModNotImported{}
-> [GhcHint]
noHints
TcRnNullExportedModule{}
-> [GhcHint]
noHints
TcRnMissingExportList{}
-> [GhcHint]
noHints
TcRnExportHiddenComponents{}
-> [GhcHint]
noHints
TcRnExportHiddenDefault{}
-> [GhcHint]
noHints
TcRnDuplicateExport{}
-> [GhcHint]
noHints
TcRnExportedParentChildMismatch{}
-> [GhcHint]
noHints
TcRnConflictingExports{}
-> [GhcHint]
noHints
TcRnDuplicateFieldExport {}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.DuplicateRecordFields]
TcRnAmbiguousFieldInUpdate {}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.DisambiguateRecordFields]
TcRnAmbiguousRecordUpdate{}
-> [GhcHint]
noHints
TcRnMissingFields{}
-> [GhcHint]
noHints
TcRnFieldUpdateInvalidType{}
-> [GhcHint]
noHints
TcRnMissingStrictFields{}
-> [GhcHint]
noHints
TcRnBadRecordUpdate{}
-> [GhcHint]
noHints
TcRnIllegalStaticExpression {}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.StaticPointers]
TcRnStaticFormNotClosed{}
-> [GhcHint]
noHints
TcRnMessage
TcRnUselessTypeable
-> [GhcHint]
noHints
TcRnDerivingDefaults{}
-> [GhcHint
useDerivingStrategies]
TcRnNonUnaryTypeclassConstraint{}
-> [GhcHint]
noHints
TcRnPartialTypeSignatures SuggestPartialTypeSignatures
suggestParSig [Type]
_
-> case SuggestPartialTypeSignatures
suggestParSig of
SuggestPartialTypeSignatures
YesSuggestPartialTypeSignatures
-> let info :: SDoc
info = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to use the inferred type"
in [SDoc -> Extension -> GhcHint
suggestExtensionWithInfo SDoc
info Extension
LangExt.PartialTypeSignatures]
SuggestPartialTypeSignatures
NoSuggestPartialTypeSignatures
-> [GhcHint]
noHints
TcRnCannotDeriveInstance Class
cls [Type]
_ Maybe (DerivStrategy GhcTc)
_ UsingGeneralizedNewtypeDeriving
newtype_deriving DeriveInstanceErrReason
rea
-> Class
-> UsingGeneralizedNewtypeDeriving
-> DeriveInstanceErrReason
-> [GhcHint]
deriveInstanceErrReasonHints Class
cls UsingGeneralizedNewtypeDeriving
newtype_deriving DeriveInstanceErrReason
rea
TcRnLookupInstance Class
_ [Type]
_ LookupInstanceErrReason
_
-> [GhcHint]
noHints
TcRnMessage
TcRnLazyGADTPattern
-> [GhcHint]
noHints
TcRnMessage
TcRnArrowProcGADTPattern
-> [GhcHint]
noHints
TcRnMessage
TcRnTypeEqualityOutOfScope
-> [GhcHint]
noHints
TcRnMessage
TcRnTypeEqualityRequiresOperators
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeOperators]
TcRnIllegalTypeOperator {}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeOperators]
TcRnIllegalTypeOperatorDecl {}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeOperators]
TcRnGADTMonoLocalBinds {}
-> [[Extension] -> GhcHint
suggestAnyExtension [Extension
LangExt.GADTs, Extension
LangExt.TypeFamilies]]
TcRnIncorrectNameSpace Name
nm Bool
is_th_use
| Bool
is_th_use
-> [NameSpace -> GhcHint
SuggestAppropriateTHTick (NameSpace -> GhcHint) -> NameSpace -> GhcHint
forall a b. (a -> b) -> a -> b
$ Name -> NameSpace
nameNameSpace Name
nm]
| Bool
otherwise
-> [GhcHint]
noHints
TcRnNotInScope NotInScopeError
err RdrName
_ [ImportError]
_ [GhcHint]
hints
-> NotInScopeError -> [GhcHint]
scopeErrorHints NotInScopeError
err [GhcHint] -> [GhcHint] -> [GhcHint]
forall a. [a] -> [a] -> [a]
++ [GhcHint]
hints
TcRnTermNameInType RdrName
_ [GhcHint]
hints
-> [GhcHint]
hints
TcRnUntickedPromotedThing UntickedPromotedThing
thing
-> [UntickedPromotedThing -> GhcHint
SuggestAddTick UntickedPromotedThing
thing]
TcRnIllegalBuiltinSyntax {}
-> [GhcHint]
noHints
TcRnWarnDefaulting {}
-> [GhcHint]
noHints
TcRnWarnClashingDefaultImports TyCon
cls Maybe [Type]
local NonEmpty ClassDefaults
imports
-> TyCon -> [Type] -> [[Type]] -> [GhcHint]
suggestDefaultDeclaration TyCon
cls (Maybe [Type] -> [Type]
forall m. Monoid m => Maybe m -> m
forall (t :: * -> *) m. (Foldable t, Monoid m) => t m -> m
fold Maybe [Type]
local) (ClassDefaults -> [Type]
cd_types (ClassDefaults -> [Type]) -> [ClassDefaults] -> [[Type]]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> NonEmpty ClassDefaults -> [ClassDefaults]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty ClassDefaults
imports)
TcRnForeignImportPrimExtNotSet{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.GHCForeignImportPrim]
TcRnForeignImportPrimSafeAnn{}
-> [GhcHint]
noHints
TcRnForeignFunctionImportAsValue{}
-> [GhcHint]
noHints
TcRnFunPtrImportWithoutAmpersand{}
-> [GhcHint]
noHints
TcRnIllegalForeignDeclBackend{}
-> [GhcHint]
noHints
TcRnUnsupportedCallConv{}
-> [GhcHint]
noHints
TcRnIllegalForeignType Maybe ArgOrResult
_ IllegalForeignTypeReason
reason
-> case IllegalForeignTypeReason
reason of
TypeCannotBeMarshaled Type
_ TypeCannotBeMarshaledReason
why
| NewtypeDataConNotInScope TyCon
tc [Type]
_ <- TypeCannotBeMarshaledReason
why
-> let tc_nm :: Name
tc_nm = TyCon -> Name
tyConName TyCon
tc
dc :: Name
dc = DataCon -> Name
dataConName (DataCon -> Name) -> DataCon -> Name
forall a b. (a -> b) -> a -> b
$ [DataCon] -> DataCon
forall a. HasCallStack => [a] -> a
head ([DataCon] -> DataCon) -> [DataCon] -> DataCon
forall a b. (a -> b) -> a -> b
$ TyCon -> [DataCon]
tyConDataCons TyCon
tc
in [ OccName -> ImportSuggestion -> GhcHint
ImportSuggestion (Name -> OccName
forall name. HasOccName name => name -> OccName
occName Name
dc)
(ImportSuggestion -> GhcHint) -> ImportSuggestion -> GhcHint
forall a b. (a -> b) -> a -> b
$ Maybe (ModuleName, Bool) -> OccName -> ImportSuggestion
ImportDataCon Maybe (ModuleName, Bool)
forall a. Maybe a
Nothing (Name -> OccName
nameOccName Name
tc_nm) ]
| TypeCannotBeMarshaledReason
UnliftedFFITypesNeeded <- TypeCannotBeMarshaledReason
why
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.UnliftedFFITypes]
IllegalForeignTypeReason
_ -> [GhcHint]
noHints
TcRnInvalidCIdentifier{}
-> [GhcHint]
noHints
TcRnExpectedValueId{}
-> [GhcHint]
noHints
TcRnRecSelectorEscapedTyVar{}
-> [GhcHint
SuggestPatternMatchingSyntax]
TcRnPatSynNotBidirectional{}
-> [GhcHint]
noHints
TcRnIllegalDerivingItem{}
-> [GhcHint]
noHints
TcRnIllegalDefaultClass{}
-> [GhcHint]
noHints
TcRnIllegalNamedDefault{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.NamedDefaults]
TcRnUnexpectedAnnotation{}
-> [GhcHint]
noHints
TcRnIllegalRecordSyntax{}
-> [GhcHint]
noHints
TcRnInvalidVisibleKindArgument{}
-> [GhcHint]
noHints
TcRnTooManyBinders{}
-> [GhcHint]
noHints
TcRnDifferentNamesForTyVar{}
-> [GhcHint]
noHints
TcRnDisconnectedTyVar Name
n
-> [Name -> GhcHint
SuggestBindTyVarExplicitly Name
n]
TcRnInvalidReturnKind DataSort
_ AllowedDataResKind
_ Type
_ Maybe SuggestUnliftedTypes
mb_suggest_unlifted_ext
-> case Maybe SuggestUnliftedTypes
mb_suggest_unlifted_ext of
Maybe SuggestUnliftedTypes
Nothing -> [GhcHint]
noHints
Just SuggestUnliftedTypes
SuggestUnliftedNewtypes -> [Extension -> GhcHint
suggestExtension Extension
LangExt.UnliftedNewtypes]
Just SuggestUnliftedTypes
SuggestUnliftedDatatypes -> [Extension -> GhcHint
suggestExtension Extension
LangExt.UnliftedDatatypes]
TcRnClassKindNotConstraint{}
-> [GhcHint]
noHints
TcRnUnpromotableThing{}
-> [GhcHint]
noHints
TcRnIllegalTermLevelUse{}
-> [GhcHint]
noHints
TcRnMatchesHaveDiffNumArgs{}
-> [GhcHint]
noHints
TcRnCannotBindScopedTyVarInPatSig{}
-> [GhcHint]
noHints
TcRnCannotBindTyVarsInPatBind{}
-> [GhcHint]
noHints
TcRnTooManyTyArgsInConPattern{}
-> [GhcHint]
noHints
TcRnMultipleInlinePragmas{}
-> [GhcHint]
noHints
TcRnUnexpectedPragmas{}
-> [GhcHint]
noHints
TcRnNonOverloadedSpecialisePragma{}
-> [GhcHint]
noHints
TcRnSpecialiseNotVisible Name
name
-> [Name -> GhcHint
SuggestSpecialiseVisibilityHints Name
name]
TcRnPragmaWarning{}
-> [GhcHint]
noHints
TcRnDifferentExportWarnings Name
_ NonEmpty SrcSpan
_
-> [GhcHint]
noHints
TcRnIncompleteExportWarnings Name
_ NonEmpty SrcSpan
_
-> [GhcHint]
noHints
TcRnIllegalHsigDefaultMethods{}
-> [GhcHint]
noHints
TcRnIllegalQuasiQuotes{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.QuasiQuotes]
TcRnTHError THError
err
-> THError -> [GhcHint]
thErrorHints THError
err
TcRnHsigFixityMismatch{}
-> [GhcHint]
noHints
TcRnHsigShapeMismatch{}
-> [GhcHint]
noHints
TcRnHsigMissingModuleExport{}
-> [GhcHint]
noHints
TcRnBadGenericMethod{}
-> [GhcHint]
noHints
TcRnWarningMinimalDefIncomplete{}
-> [GhcHint]
noHints
TcRnDefaultMethodForPragmaLacksBinding{}
-> [GhcHint]
noHints
TcRnIgnoreSpecialisePragmaOnDefMethod{}
-> [GhcHint]
noHints
TcRnBadMethodErr{}
-> [GhcHint]
noHints
TcRnMessage
TcRnIllegalTypeData
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeData]
TcRnTypeDataForbids{}
-> [GhcHint]
noHints
TcRnIllegalNewtype{}
-> [GhcHint]
noHints
TcRnOrPatBindsVariables{}
-> [GhcHint]
noHints
TcRnUnsatisfiedMinimalDef{}
-> [GhcHint]
noHints
TcRnMisplacedInstSig{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.InstanceSigs]
TcRnNoRebindableSyntaxRecordDot{}
-> [GhcHint]
noHints
TcRnNoFieldPunsRecordDot{}
-> [GhcHint]
noHints
TcRnListComprehensionDuplicateBinding{}
-> [GhcHint]
noHints
TcRnEmptyStmtsGroup EmptyStmtsGroupInDoNotation{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.NondecreasingIndentation]
TcRnEmptyStmtsGroup{}
-> [GhcHint]
noHints
TcRnLastStmtNotExpr{}
-> [GhcHint]
noHints
TcRnUnexpectedStatementInContext HsStmtContextRn
_ UnexpectedStatement
_ Maybe Extension
mExt
| Maybe Extension
Nothing <- Maybe Extension
mExt -> [GhcHint]
noHints
| Just Extension
ext <- Maybe Extension
mExt -> [Extension -> GhcHint
suggestExtension Extension
ext]
TcRnSectionWithoutParentheses{}
-> [GhcHint]
noHints
TcRnIllegalImplicitParameterBindings{}
-> [GhcHint]
noHints
TcRnIllegalTupleSection{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TupleSections]
TcRnCapturedTermName{}
-> [GhcHint
SuggestRenameTypeVariable]
TcRnBindingOfExistingName{}
-> [GhcHint]
noHints
TcRnMultipleFixityDecls{}
-> [GhcHint]
noHints
TcRnIllegalPatternSynonymDecl{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.PatternSynonyms]
TcRnIllegalClassBinding{}
-> [GhcHint]
noHints
TcRnOrphanCompletePragma{}
-> [GhcHint]
noHints
TcRnEmptyCase HsMatchContextRn
ctxt -> case HsMatchContextRn
ctxt of
LamAlt HsLamVariant
LamCases -> [GhcHint]
noHints
ArrowMatchCtxt (ArrowLamAlt HsLamVariant
LamCases) -> [GhcHint]
noHints
HsMatchContextRn
_ -> [Extension -> GhcHint
suggestExtension Extension
LangExt.EmptyCase]
TcRnNonStdGuards{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.PatternGuards]
TcRnDuplicateSigDecl{}
-> [GhcHint]
noHints
TcRnMisplacedSigDecl{}
-> [GhcHint]
noHints
TcRnUnexpectedDefaultSig{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.DefaultSignatures]
TcRnDuplicateMinimalSig{}
-> [GhcHint]
noHints
TcRnUnexpectedStandaloneDerivingDecl{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.StandaloneDeriving]
TcRnUnusedVariableInRuleDecl{}
-> [GhcHint]
noHints
TcRnUnexpectedStandaloneKindSig{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.StandaloneKindSignatures]
TcRnIllegalRuleLhs{}
-> [GhcHint]
noHints
TcRnDuplicateRoleAnnot{}
-> [GhcHint]
noHints
TcRnDuplicateKindSig{}
-> [GhcHint]
noHints
TcRnIllegalDerivStrategy DerivStrategy GhcPs
ds -> case DerivStrategy GhcPs
ds of
ViaStrategy{} -> [Extension -> GhcHint
suggestExtension Extension
LangExt.DerivingVia]
DerivStrategy GhcPs
_ -> [Extension -> GhcHint
suggestExtension Extension
LangExt.DerivingStrategies]
TcRnIllegalMultipleDerivClauses{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.DerivingStrategies]
TcRnNoDerivStratSpecified Bool
is_ds_enabled TcRnNoDerivStratSpecifiedInfo
info -> do
let explicit_strategy_hint :: GhcHint
explicit_strategy_hint = case TcRnNoDerivStratSpecifiedInfo
info of
TcRnNoDerivingClauseStrategySpecified Map AssumedDerivingStrategy [LHsSigType (GhcPass 'Renamed)]
assumed_derivings ->
Map AssumedDerivingStrategy [LHsSigType (GhcPass 'Renamed)]
-> GhcHint
SuggestExplicitDerivingClauseStrategies Map AssumedDerivingStrategy [LHsSigType (GhcPass 'Renamed)]
assumed_derivings
TcRnNoStandaloneDerivingStrategySpecified AssumedDerivingStrategy
assumed_strategy LHsSigWcType (GhcPass 'Renamed)
deriv_sig ->
AssumedDerivingStrategy
-> LHsSigWcType (GhcPass 'Renamed) -> GhcHint
SuggestExplicitStandaloneDerivingStrategy AssumedDerivingStrategy
assumed_strategy LHsSigWcType (GhcPass 'Renamed)
deriv_sig
GhcHint
explicit_strategy_hint GhcHint -> [GhcHint] -> [GhcHint]
forall a. a -> [a] -> [a]
: [Extension -> GhcHint
suggestExtension Extension
LangExt.DerivingStrategies | Bool -> Bool
not Bool
is_ds_enabled]
TcRnStupidThetaInGadt{}
-> [GhcHint]
noHints
TcRnShadowedTyVarNameInFamResult{}
-> [GhcHint]
noHints
TcRnIncorrectTyVarOnLhsOfInjCond{}
-> [GhcHint]
noHints
TcRnUnknownTyVarsOnRhsOfInjCond{}
-> [GhcHint]
noHints
TcRnBadlyStaged{}
-> [GhcHint]
noHints
TcRnBadlyStagedType{}
-> [GhcHint]
noHints
TcRnStageRestriction{}
-> [GhcHint]
noHints
TcRnTyThingUsedWrong{}
-> [GhcHint]
noHints
TcRnCannotDefaultKindVar{}
-> [GhcHint]
noHints
TcRnUninferrableTyVar{}
-> [GhcHint]
noHints
TcRnSkolemEscape{}
-> [GhcHint]
noHints
TcRnPatSynEscapedCoercion{}
-> [GhcHint]
noHints
TcRnPatSynExistentialInResult{}
-> [GhcHint]
noHints
TcRnPatSynArityMismatch{}
-> [GhcHint]
noHints
TcRnPatSynInvalidRhs Name
name LPat (GhcPass 'Renamed)
pat [LIdP (GhcPass 'Renamed)]
args (PatSynNotInvertible Pat (GhcPass 'Renamed)
_)
-> [Name
-> LPat (GhcPass 'Renamed) -> [LIdP (GhcPass 'Renamed)] -> GhcHint
SuggestExplicitBidiPatSyn Name
name LPat (GhcPass 'Renamed)
pat [LIdP (GhcPass 'Renamed)]
args]
TcRnPatSynInvalidRhs{}
-> [GhcHint]
noHints
TcRnTyFamDepsDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeFamilyDependencies]
TcRnAbstractClosedTyFamDecl{}
-> [GhcHint]
noHints
TcRnPartialFieldSelector{}
-> [GhcHint]
noHints
TcRnHasFieldResolvedIncomplete{}
-> [GhcHint]
noHints
TcRnBadFieldAnnotation Arity
_ DataCon
_ BadFieldAnnotationReason
LazyFieldsDisabled
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.StrictData]
TcRnBadFieldAnnotation{}
-> [GhcHint]
noHints
TcRnSuperclassCycle{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.UndecidableSuperClasses]
TcRnDefaultSigMismatch{}
-> [GhcHint]
noHints
TcRnTyFamsDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeFamilies]
TcRnBadTyConTelescope{}
-> [GhcHint]
noHints
TcRnTyFamResultDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeFamilyDependencies]
TcRnRoleValidationFailed{}
-> [GhcHint]
noHints
TcRnCommonFieldResultTypeMismatch{}
-> [GhcHint]
noHints
TcRnCommonFieldTypeMismatch{}
-> [GhcHint]
noHints
TcRnClassExtensionDisabled Class
_ MultiParamDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.MultiParamTypeClasses]
TcRnClassExtensionDisabled Class
_ FunDepsDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.FunctionalDependencies]
TcRnClassExtensionDisabled Class
_ ConstrainedClassMethodsDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.ConstrainedClassMethods]
TcRnDataConParentTypeMismatch{}
-> [GhcHint]
noHints
TcRnGADTsDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.GADTs]
TcRnExistentialQuantificationDisabled{}
-> [[Extension] -> GhcHint
suggestAnyExtension [Extension
LangExt.ExistentialQuantification, Extension
LangExt.GADTs]]
TcRnGADTDataContext{}
-> [GhcHint]
noHints
TcRnMultipleConForNewtype{}
-> [GhcHint]
noHints
TcRnKindSignaturesDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.KindSignatures]
TcRnEmptyDataDeclsDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.EmptyDataDecls]
TcRnRoleMismatch{}
-> [GhcHint]
noHints
TcRnRoleCountMismatch{}
-> [GhcHint]
noHints
TcRnIllegalRoleAnnotation{}
-> [GhcHint]
noHints
TcRnRoleAnnotationsDisabled{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.RoleAnnotations]
TcRnIncoherentRoles{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.IncoherentInstances]
TcRnUnexpectedKindVar{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.PolyKinds]
TcRnNegativeNumTypeLiteral{}
-> [GhcHint]
noHints
TcRnIllegalKind HsTypeOrSigType GhcPs
_ Bool
suggest_polyKinds
-> if Bool
suggest_polyKinds
then [Extension -> GhcHint
suggestExtension Extension
LangExt.PolyKinds]
else [GhcHint]
noHints
TcRnPrecedenceParsingError{}
-> [GhcHint]
noHints
TcRnSectionPrecedenceError{}
-> [GhcHint]
noHints
TcRnUnexpectedPatSigType{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.ScopedTypeVariables]
TcRnIllegalKindSignature{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.KindSignatures]
TcRnUnusedQuantifiedTypeVar{}
-> [GhcHint]
noHints
TcRnDataKindsError{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.DataKinds]
TcRnTypeSynonymCycle{}
-> [GhcHint]
noHints
TcRnZonkerMessage ZonkerMessage
msg
-> ZonkerMessage -> [GhcHint]
zonkerMessageHints ZonkerMessage
msg
TcRnInterfaceError IfaceMessage
reason
-> IfaceMessage -> [GhcHint]
interfaceErrorHints IfaceMessage
reason
TcRnSelfImport{}
-> [GhcHint]
noHints
TcRnNoExplicitImportList{}
-> [GhcHint]
noHints
TcRnSafeImportsDisabled{}
-> [GhcHint
SuggestSafeHaskell]
TcRnDeprecatedModule{}
-> [GhcHint]
noHints
TcRnRedundantSourceImport{}
-> [GhcHint]
noHints
TcRnImportLookup (ImportLookupBad BadImportKind
k ModIface
_ ImpDeclSpec
is IE GhcPs
ie Bool
patsyns_enabled) ->
let mod_name :: ModuleName
mod_name = Module -> ModuleName
forall unit. GenModule unit -> ModuleName
moduleName (Module -> ModuleName) -> Module -> ModuleName
forall a b. (a -> b) -> a -> b
$ ImpDeclSpec -> Module
is_mod ImpDeclSpec
is
occ :: OccName
occ = RdrName -> OccName
rdrNameOcc (RdrName -> OccName) -> RdrName -> OccName
forall a b. (a -> b) -> a -> b
$ IE GhcPs -> IdP GhcPs
forall (p :: Pass). IE (GhcPass p) -> IdP (GhcPass p)
ieName IE GhcPs
ie
in case BadImportKind
k of
BadImportKind
BadImportAvailVar -> [OccName -> ImportSuggestion -> GhcHint
ImportSuggestion OccName
occ (ImportSuggestion -> GhcHint) -> ImportSuggestion -> GhcHint
forall a b. (a -> b) -> a -> b
$ ModuleName -> ImportSuggestion
CouldRemoveTypeKeyword ModuleName
mod_name]
BadImportNotExported [GhcHint]
suggs -> [GhcHint]
suggs
BadImportAvailTyCon Bool
ex_ns ->
[SDoc -> Extension -> GhcHint
useExtensionInOrderTo SDoc
forall doc. IsOutput doc => doc
empty Extension
LangExt.ExplicitNamespaces | Bool -> Bool
not Bool
ex_ns]
[GhcHint] -> [GhcHint] -> [GhcHint]
forall a. [a] -> [a] -> [a]
++ [OccName -> ImportSuggestion -> GhcHint
ImportSuggestion OccName
occ (ImportSuggestion -> GhcHint) -> ImportSuggestion -> GhcHint
forall a b. (a -> b) -> a -> b
$ ModuleName -> ImportSuggestion
CouldAddTypeKeyword ModuleName
mod_name]
BadImportAvailDataCon OccName
par -> [OccName -> ImportSuggestion -> GhcHint
ImportSuggestion OccName
occ (ImportSuggestion -> GhcHint) -> ImportSuggestion -> GhcHint
forall a b. (a -> b) -> a -> b
$ Maybe (ModuleName, Bool) -> OccName -> ImportSuggestion
ImportDataCon ((ModuleName, Bool) -> Maybe (ModuleName, Bool)
forall a. a -> Maybe a
Just (ModuleName
mod_name, Bool
patsyns_enabled)) OccName
par]
BadImportNotExportedSubordinates{} -> [GhcHint]
noHints
TcRnImportLookup{}
-> [GhcHint]
noHints
TcRnUnusedImport{}
-> [GhcHint]
noHints
TcRnDuplicateDecls OccName
_ NonEmpty Name
fs
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.DuplicateRecordFields | (Name -> Bool) -> NonEmpty Name -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all Name -> Bool
isFieldName NonEmpty Name
fs]
TcRnMessage
TcRnPackageImportsDisabled
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.PackageImports]
TcRnIllegalDataCon{}
-> [GhcHint]
noHints
TcRnNestedForallsContexts{}
-> [GhcHint]
noHints
TcRnMessage
TcRnRedundantRecordWildcard
-> [GhcHint
SuggestRemoveRecordWildcard]
TcRnUnusedRecordWildcard{}
-> [GhcHint
SuggestRemoveRecordWildcard]
TcRnUnusedName{}
-> [GhcHint]
noHints
TcRnQualifiedBinder{}
-> [GhcHint]
noHints
TcRnTypeApplicationsDisabled TypeApplication
ty_app
-> case TypeApplication
ty_app of
TypeApplication {}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeApplications]
TypeApplicationInPattern {}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeAbstractions]
TcRnInvalidRecordField{}
-> [GhcHint]
noHints
TcRnTupleTooLarge{}
-> [GhcHint]
noHints
TcRnCTupleTooLarge{}
-> [GhcHint]
noHints
TcRnIllegalInferredTyVars{}
-> [GhcHint]
noHints
TcRnAmbiguousName{}
-> [GhcHint]
noHints
TcRnBindingNameConflict{}
-> [GhcHint]
noHints
TcRnNonCanonicalDefinition NonCanonicalDefinition
reason LHsSigType (GhcPass 'Renamed)
_
-> NonCanonicalDefinition -> [GhcHint]
suggestNonCanonicalDefinition NonCanonicalDefinition
reason
TcRnDefaultedExceptionContext CtLoc
_
-> [GhcHint]
noHints
TcRnImplicitImportOfPrelude {}
-> [GhcHint]
noHints
TcRnMissingMain {}
-> [GhcHint]
noHints
TcRnGhciUnliftedBind {}
-> [GhcHint]
noHints
TcRnGhciMonadLookupFail {}
-> [GhcHint]
noHints
TcRnMissingRoleAnnotation{}
-> [GhcHint]
noHints
TcRnIllegalInvisTyVarBndr{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeAbstractions]
TcRnIllegalWildcardTyVarBndr{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeAbstractions]
TcRnDeprecatedInvisTyArgInConPat{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeAbstractions]
TcRnInvalidInvisTyVarBndr{}
-> [GhcHint]
noHints
TcRnInvisBndrWithoutSig Name
name LHsTyVarBndr (HsBndrVis (GhcPass 'Renamed)) (GhcPass 'Renamed)
_
-> [Name -> GhcHint
SuggestAddStandaloneKindSignature Name
name]
TcRnImplicitRhsQuantification LocatedN RdrName
kv
-> [RdrName -> GhcHint
SuggestBindTyVarOnLhs (LocatedN RdrName -> RdrName
forall l e. GenLocated l e -> e
unLoc LocatedN RdrName
kv)]
TcRnPatersonCondFailure{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.UndecidableInstances]
TcRnIllformedTypePattern{}
-> [GhcHint]
noHints
TcRnIllegalTypePattern{}
-> [GhcHint]
noHints
TcRnIllformedTypeArgument{}
-> [GhcHint]
noHints
TcRnIllegalTypeExpr{}
-> [GhcHint]
noHints
TcRnInvalidDefaultedTyVar{}
-> [GhcHint]
noHints
TcRnNamespacedWarningPragmaWithoutFlag{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.ExplicitNamespaces]
TcRnIllegalInvisibleTypePattern{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TypeAbstractions]
TcRnInvisPatWithNoForAll{}
-> [GhcHint]
noHints
TcRnNamespacedFixitySigWithoutFlag{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.ExplicitNamespaces]
TcRnOutOfArityTyVar{}
-> [GhcHint]
noHints
TcRnMisplacedInvisPat{}
-> [GhcHint]
noHints
TcRnUnexpectedTypeSyntaxInTerms TypeSyntax
syntax
-> [Extension -> GhcHint
suggestExtension (TypeSyntax -> Extension
typeSyntaxExtension TypeSyntax
syntax)]
diagnosticCode :: TcRnMessage -> Maybe DiagnosticCode
diagnosticCode = TcRnMessage -> Maybe DiagnosticCode
forall diag.
(Generic diag, GDiagnosticCode (Rep diag)) =>
diag -> Maybe DiagnosticCode
constructorCode
note :: SDoc -> SDoc
note :: SDoc -> SDoc
note SDoc
note = SDoc
"Note" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
note SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
commafyWith :: SDoc -> [SDoc] -> [SDoc]
commafyWith :: SDoc -> [SDoc] -> [SDoc]
commafyWith SDoc
_ [] = []
commafyWith SDoc
_ [SDoc
x] = [SDoc
x]
commafyWith SDoc
conjunction [SDoc
x, SDoc
y] = [SDoc
x SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
conjunction SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
y]
commafyWith SDoc
conjunction [SDoc]
xs = [SDoc] -> [SDoc]
addConjunction ([SDoc] -> [SDoc]) -> [SDoc] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ SDoc -> [SDoc] -> [SDoc]
forall doc. IsLine doc => doc -> [doc] -> [doc]
punctuate SDoc
forall doc. IsLine doc => doc
comma [SDoc]
xs
where addConjunction :: [SDoc] -> [SDoc]
addConjunction [SDoc
x, SDoc
y] = [SDoc
x, SDoc
conjunction, SDoc
y]
addConjunction (SDoc
x : [SDoc]
xs) = SDoc
x SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: [SDoc] -> [SDoc]
addConjunction [SDoc]
xs
addConjunction [SDoc]
_ = [Char] -> [SDoc]
forall a. HasCallStack => [Char] -> a
panic [Char]
"commafyWith expected 2 or more elements"
deriveInstanceErrReasonHints :: Class
-> UsingGeneralizedNewtypeDeriving
-> DeriveInstanceErrReason
-> [GhcHint]
deriveInstanceErrReasonHints :: Class
-> UsingGeneralizedNewtypeDeriving
-> DeriveInstanceErrReason
-> [GhcHint]
deriveInstanceErrReasonHints Class
cls UsingGeneralizedNewtypeDeriving
newtype_deriving = \case
DerivErrNotWellKinded TyCon
_ Type
_ Arity
n_args_to_keep
| Class
cls Class -> Unique -> Bool
forall a. Uniquable a => a -> Unique -> Bool
`hasKey` Unique
gen1ClassKey Bool -> Bool -> Bool
&& Arity
n_args_to_keep Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
>= Arity
0
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.PolyKinds]
| Bool
otherwise
-> [GhcHint]
noHints
DeriveInstanceErrReason
DerivErrSafeHaskellGenericInst -> [GhcHint]
noHints
DerivErrDerivingViaWrongKind{} -> [GhcHint]
noHints
DerivErrNoEtaReduce{} -> [GhcHint]
noHints
DeriveInstanceErrReason
DerivErrBootFileFound -> [GhcHint]
noHints
DerivErrDataConsNotAllInScope{} -> [GhcHint]
noHints
DeriveInstanceErrReason
DerivErrGNDUsedOnData -> [GhcHint]
noHints
DeriveInstanceErrReason
DerivErrNullaryClasses -> [GhcHint]
noHints
DeriveInstanceErrReason
DerivErrLastArgMustBeApp -> [GhcHint]
noHints
DerivErrNoFamilyInstance{} -> [GhcHint]
noHints
DerivErrNotStockDeriveable DeriveAnyClassEnabled
deriveAnyClassEnabled
| DeriveAnyClassEnabled
deriveAnyClassEnabled DeriveAnyClassEnabled -> DeriveAnyClassEnabled -> Bool
forall a. Eq a => a -> a -> Bool
== DeriveAnyClassEnabled
NoDeriveAnyClassEnabled
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.DeriveAnyClass]
| Bool
otherwise
-> [GhcHint]
noHints
DerivErrHasAssociatedDatatypes{}
-> [GhcHint]
noHints
DeriveInstanceErrReason
DerivErrNewtypeNonDeriveableClass
| UsingGeneralizedNewtypeDeriving
newtype_deriving UsingGeneralizedNewtypeDeriving
-> UsingGeneralizedNewtypeDeriving -> Bool
forall a. Eq a => a -> a -> Bool
== UsingGeneralizedNewtypeDeriving
NoGeneralizedNewtypeDeriving
-> [GhcHint
useGND]
| Bool
otherwise
-> [GhcHint]
noHints
DerivErrCannotEtaReduceEnough{}
| UsingGeneralizedNewtypeDeriving
newtype_deriving UsingGeneralizedNewtypeDeriving
-> UsingGeneralizedNewtypeDeriving -> Bool
forall a. Eq a => a -> a -> Bool
== UsingGeneralizedNewtypeDeriving
NoGeneralizedNewtypeDeriving
-> [GhcHint
useGND]
| Bool
otherwise
-> [GhcHint]
noHints
DerivErrOnlyAnyClassDeriveable TyCon
_ DeriveAnyClassEnabled
deriveAnyClassEnabled
| DeriveAnyClassEnabled
deriveAnyClassEnabled DeriveAnyClassEnabled -> DeriveAnyClassEnabled -> Bool
forall a. Eq a => a -> a -> Bool
== DeriveAnyClassEnabled
NoDeriveAnyClassEnabled
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.DeriveAnyClass]
| Bool
otherwise
-> [GhcHint]
noHints
DerivErrNotDeriveable DeriveAnyClassEnabled
deriveAnyClassEnabled
| DeriveAnyClassEnabled
deriveAnyClassEnabled DeriveAnyClassEnabled -> DeriveAnyClassEnabled -> Bool
forall a. Eq a => a -> a -> Bool
== DeriveAnyClassEnabled
NoDeriveAnyClassEnabled
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.DeriveAnyClass]
| Bool
otherwise
-> [GhcHint]
noHints
DerivErrNotAClass{}
-> [GhcHint]
noHints
DerivErrNoConstructors{}
-> let info :: SDoc
info = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to enable deriving for empty data types"
in [SDoc -> Extension -> GhcHint
useExtensionInOrderTo SDoc
info Extension
LangExt.EmptyDataDeriving]
DerivErrLangExtRequired{}
-> [GhcHint]
noHints
DerivErrDunnoHowToDeriveForType{}
-> [GhcHint]
noHints
DerivErrMustBeEnumType TyCon
rep_tc
| UsingGeneralizedNewtypeDeriving
newtype_deriving UsingGeneralizedNewtypeDeriving
-> UsingGeneralizedNewtypeDeriving -> Bool
forall a. Eq a => a -> a -> Bool
== UsingGeneralizedNewtypeDeriving
NoGeneralizedNewtypeDeriving Bool -> Bool -> Bool
&& TyCon -> Bool
isNewTyCon TyCon
rep_tc
-> [GhcHint
useGND]
| Bool
otherwise
-> [GhcHint]
noHints
DerivErrMustHaveExactlyOneConstructor{}
-> [GhcHint]
noHints
DerivErrMustHaveSomeParameters{}
-> [GhcHint]
noHints
DerivErrMustNotHaveClassContext{}
-> [GhcHint]
noHints
DerivErrBadConstructor Maybe HasWildcard
wcard [DeriveInstanceBadConstructor]
_
-> case Maybe HasWildcard
wcard of
Maybe HasWildcard
Nothing -> [GhcHint]
noHints
Just HasWildcard
YesHasWildcard -> [GhcHint
SuggestFillInWildcardConstraint]
Just HasWildcard
NoHasWildcard -> [GhcHint
SuggestAddStandaloneDerivation]
DerivErrGenerics{}
-> [GhcHint]
noHints
DerivErrEnumOrProduct{}
-> [GhcHint]
noHints
messageWithInfoDiagnosticMessage :: UnitState
-> ErrInfo
-> Bool
-> DecoratedSDoc
-> DecoratedSDoc
messageWithInfoDiagnosticMessage :: UnitState -> ErrInfo -> Bool -> DecoratedSDoc -> DecoratedSDoc
messageWithInfoDiagnosticMessage UnitState
unit_state ErrInfo{SDoc
errInfoSupplementary :: ErrInfo -> SDoc
errInfoContext :: ErrInfo -> SDoc
errInfoContext :: SDoc
errInfoSupplementary :: SDoc
..} Bool
show_ctxt DecoratedSDoc
important =
let err_info' :: [SDoc]
err_info' = (SDoc -> SDoc) -> [SDoc] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (UnitState -> SDoc -> SDoc
pprWithUnitState UnitState
unit_state) ([SDoc
errInfoContext | Bool
show_ctxt] [SDoc] -> [SDoc] -> [SDoc]
forall a. [a] -> [a] -> [a]
++ [SDoc
errInfoSupplementary])
in ((SDoc -> SDoc) -> DecoratedSDoc -> DecoratedSDoc
mapDecoratedSDoc (UnitState -> SDoc -> SDoc
pprWithUnitState UnitState
unit_state) DecoratedSDoc
important) DecoratedSDoc -> DecoratedSDoc -> DecoratedSDoc
`unionDecoratedSDoc`
[SDoc] -> DecoratedSDoc
mkDecorated [SDoc]
err_info'
messageWithHsDocContext :: TcRnMessageOpts -> HsDocContext -> DecoratedSDoc -> DecoratedSDoc
messageWithHsDocContext :: TcRnMessageOpts -> HsDocContext -> DecoratedSDoc -> DecoratedSDoc
messageWithHsDocContext TcRnMessageOpts
opts HsDocContext
ctxt DecoratedSDoc
main_msg = do
if TcRnMessageOpts -> Bool
tcOptsShowContext TcRnMessageOpts
opts
then DecoratedSDoc
main_msg DecoratedSDoc -> DecoratedSDoc -> DecoratedSDoc
`unionDecoratedSDoc` DecoratedSDoc
ctxt_msg
else DecoratedSDoc
main_msg
where
ctxt_msg :: DecoratedSDoc
ctxt_msg = SDoc -> DecoratedSDoc
mkSimpleDecorated (HsDocContext -> SDoc
inHsDocContext HsDocContext
ctxt)
dodgy_msg :: Outputable ie => SDoc -> GlobalRdrElt -> ie -> SDoc
dodgy_msg :: forall ie. Outputable ie => SDoc -> GlobalRdrElt -> ie -> SDoc
dodgy_msg SDoc
kind GlobalRdrElt
tc ie
ie
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
kind SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"item" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (ie -> SDoc
forall a. Outputable a => a -> SDoc
ppr ie
ie) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"suggests that"
, SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SDoc) -> Name -> SDoc
forall a b. (a -> b) -> a -> b
$ GlobalRdrElt -> Name
forall info. GlobalRdrEltX info -> Name
greName GlobalRdrElt
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [SDoc]
rest ]
where
rest :: [SDoc]
rest :: [SDoc]
rest =
case GlobalRdrElt -> GREInfo
greInfo GlobalRdrElt
tc of
IAmTyCon TyConFlavour Name
ClassFlavour
-> [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(in-scope) class methods or associated types" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but it has none" ]
IAmTyCon TyConFlavour Name
_
-> [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(in-scope) constructors or record fields" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but it has none" ]
GREInfo
_ -> [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"children" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but it is not a type constructor or a class" ]
dodgy_msg_insert :: GlobalRdrElt -> IE GhcRn
dodgy_msg_insert :: GlobalRdrElt -> IE (GhcPass 'Renamed)
dodgy_msg_insert GlobalRdrElt
tc_gre = XIEThingAll (GhcPass 'Renamed)
-> LIEWrappedName (GhcPass 'Renamed)
-> Maybe (ExportDoc (GhcPass 'Renamed))
-> IE (GhcPass 'Renamed)
forall pass.
XIEThingAll pass
-> LIEWrappedName pass -> Maybe (ExportDoc pass) -> IE pass
IEThingAll (Maybe (GenLocated SrcSpanAnnP (WarningTxt (GhcPass 'Renamed)))
forall a. Maybe a
Nothing, (EpToken "(", EpToken "..", EpToken ")")
forall a. NoAnn a => a
noAnn) LIEWrappedName (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (IEWrappedName (GhcPass 'Renamed))
ii Maybe (ExportDoc (GhcPass 'Renamed))
forall a. Maybe a
Nothing
where
ii :: GenLocated SrcSpanAnnA (IEWrappedName (GhcPass 'Renamed))
ii = IEWrappedName (GhcPass 'Renamed)
-> GenLocated SrcSpanAnnA (IEWrappedName (GhcPass 'Renamed))
forall e a. HasAnnotation e => a -> GenLocated e a
noLocA (XIEName (GhcPass 'Renamed)
-> LIdP (GhcPass 'Renamed) -> IEWrappedName (GhcPass 'Renamed)
forall p. XIEName p -> LIdP p -> IEWrappedName p
IEName XIEName (GhcPass 'Renamed)
NoExtField
noExtField (LIdP (GhcPass 'Renamed) -> IEWrappedName (GhcPass 'Renamed))
-> LIdP (GhcPass 'Renamed) -> IEWrappedName (GhcPass 'Renamed)
forall a b. (a -> b) -> a -> b
$ Name -> LocatedN Name
forall e a. HasAnnotation e => a -> GenLocated e a
noLocA (Name -> LocatedN Name) -> Name -> LocatedN Name
forall a b. (a -> b) -> a -> b
$ GlobalRdrElt -> Name
forall info. GlobalRdrEltX info -> Name
greName GlobalRdrElt
tc_gre)
pprTypeDoesNotHaveFixedRuntimeRep :: Type -> FixedRuntimeRepProvenance -> SDoc
pprTypeDoesNotHaveFixedRuntimeRep :: Type -> FixedRuntimeRepProvenance -> SDoc
pprTypeDoesNotHaveFixedRuntimeRep Type
ty FixedRuntimeRepProvenance
prov =
let what :: SDoc
what = FixedRuntimeRepProvenance -> SDoc
pprFixedRuntimeRepProvenance FixedRuntimeRepProvenance
prov
in [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not have a fixed runtime representation:"
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ Type -> SDoc
format_frr_err Type
ty
format_frr_err :: Type
-> SDoc
format_frr_err :: Type -> SDoc
format_frr_err Type
ty
= (SDoc
bullet SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
tidy_ty SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
tidy_ki)
where
(TidyEnv
tidy_env, Type
tidy_ty) = TidyEnv -> Type -> (TidyEnv, Type)
tidyOpenTypeX TidyEnv
emptyTidyEnv Type
ty
tidy_ki :: Type
tidy_ki = TidyEnv -> Type -> Type
tidyType TidyEnv
tidy_env (HasDebugCallStack => Type -> Type
Type -> Type
typeKind Type
ty)
pprField :: (FieldLabelString, TcType) -> SDoc
pprField :: (FieldLabelString, Type) -> SDoc
pprField (FieldLabelString
f,Type
ty) = FieldLabelString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FieldLabelString
f SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty
pprRecordFieldPart :: RecordFieldPart -> SDoc
pprRecordFieldPart :: RecordFieldPart -> SDoc
pprRecordFieldPart = \case
RecordFieldDecl {} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"declaration"
RecordFieldConstructor{} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"construction"
RecordFieldPattern{} -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"pattern"
RecordFieldPart
RecordFieldUpdate -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"update"
ppr_opfix :: (OpName, Fixity) -> SDoc
ppr_opfix :: (OpName, Fixity) -> SDoc
ppr_opfix (OpName
op, Fixity
fixity) = SDoc
pp_op SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
brackets (Fixity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Fixity
fixity)
where
pp_op :: SDoc
pp_op | OpName
NegateOp <- OpName
op = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"prefix `-'"
| Bool
otherwise = SDoc -> SDoc
quotes (OpName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OpName
op)
pprBindings :: [Name] -> SDoc
pprBindings :: [Name] -> SDoc
pprBindings = (Name -> SDoc) -> [Name] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas (SDoc -> SDoc
quotes (SDoc -> SDoc) -> (Name -> SDoc) -> Name -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr)
injectivityErrorHerald :: SDoc
injectivityErrorHerald :: SDoc
injectivityErrorHerald =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type family equation violates the family's injectivity annotation."
formatExportItemError :: SDoc -> String -> SDoc
formatExportItemError :: SDoc -> [Char] -> SDoc
formatExportItemError SDoc
exportedThing [Char]
reason =
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The export item"
, SDoc -> SDoc
quotes SDoc
exportedThing
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
reason ]
missingSignatureWarningFlags :: MissingSignature -> Exported -> NonEmpty WarningFlag
missingSignatureWarningFlags :: MissingSignature -> Exported -> NonEmpty WarningFlag
missingSignatureWarningFlags (MissingTopLevelBindingSig {}) Exported
exported
= WarningFlag
Opt_WarnMissingSignatures WarningFlag -> [WarningFlag] -> NonEmpty WarningFlag
forall a. a -> [a] -> NonEmpty a
:|
[ WarningFlag
Opt_WarnMissingExportedSignatures | Exported
IsExported Exported -> Exported -> Bool
forall a. Eq a => a -> a -> Bool
== Exported
exported ]
missingSignatureWarningFlags (MissingPatSynSig {}) Exported
exported
= WarningFlag
Opt_WarnMissingPatternSynonymSignatures WarningFlag -> [WarningFlag] -> NonEmpty WarningFlag
forall a. a -> [a] -> NonEmpty a
:|
[ WarningFlag
Opt_WarnMissingExportedPatternSynonymSignatures | Exported
IsExported Exported -> Exported -> Bool
forall a. Eq a => a -> a -> Bool
== Exported
exported ]
missingSignatureWarningFlags (MissingTyConKindSig TyCon
ty_con Bool
_) Exported
_
= WarningFlag
Opt_WarnMissingKindSignatures WarningFlag -> [WarningFlag] -> NonEmpty WarningFlag
forall a. a -> [a] -> NonEmpty a
:| [WarningFlag
Opt_WarnMissingPolyKindSignatures | Type -> Bool
isForAllTy_invis_ty (TyCon -> Type
tyConKind TyCon
ty_con) ]
useDerivingStrategies :: GhcHint
useDerivingStrategies :: GhcHint
useDerivingStrategies =
SDoc -> Extension -> GhcHint
useExtensionInOrderTo ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to pick a different strategy") Extension
LangExt.DerivingStrategies
useGND :: GhcHint
useGND :: GhcHint
useGND = let info :: SDoc
info = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for GHC's" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"newtype-deriving extension"
in SDoc -> Extension -> GhcHint
suggestExtensionWithInfo SDoc
info Extension
LangExt.GeneralizedNewtypeDeriving
cannotMakeDerivedInstanceHerald :: Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald :: Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_args Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald SDoc
why =
if Bool
pprHerald
then [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [(SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Can't make a derived instance of")
Arity
2 (SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
pred) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
via_mechanism)
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ Arity -> SDoc -> SDoc
nest Arity
2 SDoc
extra) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon,
Arity -> SDoc -> SDoc
nest Arity
2 SDoc
why]
else SDoc
why
where
strat_used :: Bool
strat_used = Maybe (DerivStrategy GhcTc) -> Bool
forall a. Maybe a -> Bool
isJust Maybe (DerivStrategy GhcTc)
mb_strat
extra :: SDoc
extra | Bool -> Bool
not Bool
strat_used, (UsingGeneralizedNewtypeDeriving
newtype_deriving UsingGeneralizedNewtypeDeriving
-> UsingGeneralizedNewtypeDeriving -> Bool
forall a. Eq a => a -> a -> Bool
== UsingGeneralizedNewtypeDeriving
YesGeneralizedNewtypeDeriving)
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(even with cunning GeneralizedNewtypeDeriving)"
| Bool
otherwise = SDoc
forall doc. IsOutput doc => doc
empty
pred :: Type
pred = Class -> [Type] -> Type
mkClassPred Class
cls [Type]
cls_args
via_mechanism :: SDoc
via_mechanism | Bool
strat_used
, Just DerivStrategy GhcTc
strat <- Maybe (DerivStrategy GhcTc)
mb_strat
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"with the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (DerivStrategy GhcTc -> SDoc
forall a. DerivStrategy a -> SDoc
derivStrategyName DerivStrategy GhcTc
strat) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"strategy"
| Bool
otherwise
= SDoc
forall doc. IsOutput doc => doc
empty
badCon :: DataCon -> SDoc -> SDoc
badCon :: DataCon -> SDoc -> SDoc
badCon DataCon
con SDoc
msg = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
con) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
msg
derivErrDiagnosticMessage :: Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> DeriveInstanceErrReason
-> SDoc
derivErrDiagnosticMessage :: Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> DeriveInstanceErrReason
-> SDoc
derivErrDiagnosticMessage Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald = \case
DerivErrNotWellKinded TyCon
tc Type
cls_kind Arity
_
-> [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot derive well-kinded instance of form"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> [Type] -> SDoc
pprClassPred Class
cls [Type]
cls_tys
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"...")))
Arity
2 SDoc
forall doc. IsOutput doc => doc
empty
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"expects an argument of kind"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
pprKind Type
cls_kind))
]
DeriveInstanceErrReason
DerivErrSafeHaskellGenericInst
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Generic instances can only be derived in"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Safe Haskell using the stock strategy."
DerivErrDerivingViaWrongKind Type
cls_kind Type
via_ty Type
via_kind
-> SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot derive instance via" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
pprType Type
via_ty))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"expects an argument of kind"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
pprKind Type
cls_kind) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
','
SDoc -> SDoc -> SDoc
$+$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
pprType Type
via_ty)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has kind" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
pprKind Type
via_kind))
DerivErrNoEtaReduce Type
inst_ty
-> [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot eta-reduce to an instance of form",
Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"instance (...) =>"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Class -> [Type] -> SDoc
pprClassPred Class
cls ([Type]
cls_tys [Type] -> [Type] -> [Type]
forall a. [a] -> [a] -> [a]
++ [Type
inst_ty]))]
DeriveInstanceErrReason
DerivErrBootFileFound
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot derive instances in hs-boot files"
SDoc -> SDoc -> SDoc
$+$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Write an instance declaration instead")
DerivErrDataConsNotAllInScope TyCon
tc
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
(SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The data constructors of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"are not all in scope")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"so you cannot derive an instance for it"))
DeriveInstanceErrReason
DerivErrGNDUsedOnData
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GeneralizedNewtypeDeriving cannot be used on non-newtypes")
DeriveInstanceErrReason
DerivErrNullaryClasses
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot derive instances for nullary classes")
DeriveInstanceErrReason
DerivErrLastArgMustBeApp
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
( [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The last argument of the instance must be a"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"data or newtype application")
DerivErrNoFamilyInstance TyCon
tc [Type]
tc_args
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No family instance for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> [Type] -> SDoc
pprTypeApp TyCon
tc [Type]
tc_args))
DerivErrNotStockDeriveable DeriveAnyClassEnabled
_
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
(SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a stock derivable class (Eq, Show, etc.)")
DerivErrHasAssociatedDatatypes HasAssociatedDataFamInsts
hasAdfs AssociatedTyLastVarInKind
at_last_cls_tv_in_kinds AssociatedTyNotParamOverLastTyVar
at_without_last_cls_tv
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
(SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen (HasAssociatedDataFamInsts
hasAdfs HasAssociatedDataFamInsts -> HasAssociatedDataFamInsts -> Bool
forall a. Eq a => a -> a -> Bool
== HasAssociatedDataFamInsts
YesHasAdfs) SDoc
adfs_msg
, case AssociatedTyNotParamOverLastTyVar
at_without_last_cls_tv of
YesAssociatedTyNotParamOverLastTyVar TyCon
tc -> TyCon -> SDoc
at_without_last_cls_tv_msg TyCon
tc
AssociatedTyNotParamOverLastTyVar
NoAssociatedTyNotParamOverLastTyVar -> SDoc
forall doc. IsOutput doc => doc
empty
, case AssociatedTyLastVarInKind
at_last_cls_tv_in_kinds of
YesAssocTyLastVarInKind TyCon
tc -> TyCon -> SDoc
at_last_cls_tv_in_kinds_msg TyCon
tc
AssociatedTyLastVarInKind
NoAssocTyLastVarInKind -> SDoc
forall doc. IsOutput doc => doc
empty
]
where
adfs_msg :: SDoc
adfs_msg = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the class has associated data types"
at_without_last_cls_tv_msg :: TyCon -> SDoc
at_without_last_cls_tv_msg TyCon
at_tc = SDoc -> Arity -> SDoc -> SDoc
hang
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the associated type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
at_tc)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not parameterized over the last type variable")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of the class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls))
at_last_cls_tv_in_kinds_msg :: TyCon -> SDoc
at_last_cls_tv_in_kinds_msg TyCon
at_tc = SDoc -> Arity -> SDoc -> SDoc
hang
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the associated type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
at_tc)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"contains the last type variable")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of the class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in a kind, which is not (yet) allowed")
DeriveInstanceErrReason
DerivErrNewtypeNonDeriveableClass
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> DeriveInstanceErrReason
-> SDoc
derivErrDiagnosticMessage Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald (DeriveAnyClassEnabled -> DeriveInstanceErrReason
DerivErrNotStockDeriveable DeriveAnyClassEnabled
NoDeriveAnyClassEnabled)
DerivErrCannotEtaReduceEnough Bool
eta_ok
-> let cant_derive_err :: SDoc
cant_derive_err = Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppUnless Bool
eta_ok SDoc
eta_msg
eta_msg :: SDoc
eta_msg = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cannot eta-reduce the representation type enough"
in Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
SDoc
cant_derive_err
DerivErrOnlyAnyClassDeriveable TyCon
tc DeriveAnyClassEnabled
_
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
(SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is a type class,"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and can only have a derived instance"
SDoc -> SDoc -> SDoc
$+$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"if DeriveAnyClass is enabled")
DerivErrNotDeriveable DeriveAnyClassEnabled
_
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald SDoc
forall doc. IsOutput doc => doc
empty
DerivErrNotAClass Type
predType
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
(SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
predType) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a class")
DerivErrNoConstructors TyCon
rep_tc
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
(SDoc -> SDoc
quotes (TyCon -> SDoc
pprSourceTyCon TyCon
rep_tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must have at least one data constructor")
DerivErrLangExtRequired Extension
ext
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"You need " SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Extension -> SDoc
forall a. Outputable a => a -> SDoc
ppr Extension
ext
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to derive an instance for this class")
DerivErrDunnoHowToDeriveForType Type
ty
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
(SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Don't know how to derive" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty)))
DerivErrMustBeEnumType TyCon
rep_tc
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc -> SDoc
quotes (TyCon -> SDoc
pprSourceTyCon TyCon
rep_tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must be an enumeration type"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(an enumeration consists of one or more nullary, non-GADT constructors)" ])
DerivErrMustHaveExactlyOneConstructor TyCon
rep_tc
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
(SDoc -> SDoc
quotes (TyCon -> SDoc
pprSourceTyCon TyCon
rep_tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must have precisely one constructor")
DerivErrMustHaveSomeParameters TyCon
rep_tc
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Data type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
rep_tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must have some type parameters")
DerivErrMustNotHaveClassContext TyCon
rep_tc [Type]
bad_stupid_theta
-> Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Data type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
rep_tc)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must not have a class context:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Type] -> SDoc
pprTheta [Type]
bad_stupid_theta)
DerivErrBadConstructor Maybe HasWildcard
_ [DeriveInstanceBadConstructor]
reasons
-> let why :: SDoc
why = [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (DeriveInstanceBadConstructor -> SDoc)
-> [DeriveInstanceBadConstructor] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map DeriveInstanceBadConstructor -> SDoc
renderReason [DeriveInstanceBadConstructor]
reasons
in Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald SDoc
why
where
renderReason :: DeriveInstanceBadConstructor -> SDoc
renderReason = \case
DerivErrBadConExistential DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must be truly polymorphic in the last argument of the data type"
DerivErrBadConCovariant DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must not use the type variable in a function argument"
DerivErrBadConFunTypes DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must not contain function types"
DerivErrBadConWrongArg DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must use the type variable only as the last argument of a data type"
DerivErrBadConIsGADT DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is a GADT"
DerivErrBadConHasExistentials DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has existential type variables in its type"
DerivErrBadConHasConstraints DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has constraints in its type"
DerivErrBadConHasHigherRankType DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has a higher-rank type"
DerivErrGenerics [DeriveGenericsErrReason]
reasons
-> let why :: SDoc
why = [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (DeriveGenericsErrReason -> SDoc)
-> [DeriveGenericsErrReason] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map DeriveGenericsErrReason -> SDoc
renderReason [DeriveGenericsErrReason]
reasons
in Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald SDoc
why
where
renderReason :: DeriveGenericsErrReason -> SDoc
renderReason = \case
DerivErrGenericsMustNotHaveDatatypeContext TyCon
tc_name
-> TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc_name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must not have a datatype context"
DerivErrGenericsMustNotHaveExoticArgs DataCon
dc
-> DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
dc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must not have exotic unlifted or polymorphic arguments"
DerivErrGenericsMustBeVanillaDataCon DataCon
dc
-> DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
dc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must be a vanilla data constructor"
DerivErrGenericsMustHaveSomeTypeParams TyCon
rep_tc
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Data type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
rep_tc)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must have some type parameters"
DerivErrGenericsMustNotHaveExistentials DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must not have existential arguments"
DerivErrGenericsWrongArgKind DataCon
con
-> DataCon -> SDoc -> SDoc
badCon DataCon
con (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"applies a type to an argument involving the last parameter"
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but the applied type is not of kind * -> *"
DerivErrEnumOrProduct DeriveInstanceErrReason
this DeriveInstanceErrReason
that
-> let ppr1 :: SDoc
ppr1 = Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> DeriveInstanceErrReason
-> SDoc
derivErrDiagnosticMessage Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
False DeriveInstanceErrReason
this
ppr2 :: SDoc
ppr2 = Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> DeriveInstanceErrReason
-> SDoc
derivErrDiagnosticMessage Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
False DeriveInstanceErrReason
that
in Class
-> [Type]
-> Maybe (DerivStrategy GhcTc)
-> UsingGeneralizedNewtypeDeriving
-> Bool
-> SDoc
-> SDoc
cannotMakeDerivedInstanceHerald Class
cls [Type]
cls_tys Maybe (DerivStrategy GhcTc)
mb_strat UsingGeneralizedNewtypeDeriving
newtype_deriving Bool
pprHerald
(SDoc
ppr1 SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" or" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SDoc
ppr2)
lookupInstanceErrDiagnosticMessage :: Class
-> [Type]
-> LookupInstanceErrReason
-> SDoc
lookupInstanceErrDiagnosticMessage :: Class -> [Type] -> LookupInstanceErrReason -> SDoc
lookupInstanceErrDiagnosticMessage Class
cls [Type]
tys = \case
LookupInstanceErrReason
LookupInstErrNotExact
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Not an exact match (i.e., some variables get instantiated)"
LookupInstanceErrReason
LookupInstErrFlexiVar
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"flexible type variable:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Type -> SDoc) -> Type -> SDoc
forall a b. (a -> b) -> a -> b
$ TyCon -> [Type] -> Type
mkTyConApp (Class -> TyCon
classTyCon Class
cls) [Type]
tys)
LookupInstanceErrReason
LookupInstErrNotFound
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"instance not found" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Type -> SDoc) -> Type -> SDoc
forall a b. (a -> b) -> a -> b
$ TyCon -> [Type] -> Type
mkTyConApp (Class -> TyCon
classTyCon Class
cls) [Type]
tys)
instance Outputable SolverReportErrCtxt where
ppr :: SolverReportErrCtxt -> SDoc
ppr (CEC { cec_binds :: SolverReportErrCtxt -> EvBindsVar
cec_binds = EvBindsVar
bvar
, cec_defer_type_errors :: SolverReportErrCtxt -> DiagnosticReason
cec_defer_type_errors = DiagnosticReason
dte
, cec_expr_holes :: SolverReportErrCtxt -> DiagnosticReason
cec_expr_holes = DiagnosticReason
eh
, cec_type_holes :: SolverReportErrCtxt -> DiagnosticReason
cec_type_holes = DiagnosticReason
th
, cec_out_of_scope_holes :: SolverReportErrCtxt -> DiagnosticReason
cec_out_of_scope_holes = DiagnosticReason
osh
, cec_warn_redundant :: SolverReportErrCtxt -> Bool
cec_warn_redundant = Bool
wr
, cec_expand_syns :: SolverReportErrCtxt -> Bool
cec_expand_syns = Bool
es
, cec_suppress :: SolverReportErrCtxt -> Bool
cec_suppress = Bool
sup })
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"CEC" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
braces ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cec_binds" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
forall doc. IsLine doc => doc
equals SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> EvBindsVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr EvBindsVar
bvar
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cec_defer_type_errors" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
forall doc. IsLine doc => doc
equals SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DiagnosticReason -> SDoc
forall a. Outputable a => a -> SDoc
ppr DiagnosticReason
dte
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cec_expr_holes" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
forall doc. IsLine doc => doc
equals SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DiagnosticReason -> SDoc
forall a. Outputable a => a -> SDoc
ppr DiagnosticReason
eh
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cec_type_holes" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
forall doc. IsLine doc => doc
equals SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DiagnosticReason -> SDoc
forall a. Outputable a => a -> SDoc
ppr DiagnosticReason
th
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cec_out_of_scope_holes" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
forall doc. IsLine doc => doc
equals SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DiagnosticReason -> SDoc
forall a. Outputable a => a -> SDoc
ppr DiagnosticReason
osh
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cec_warn_redundant" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
forall doc. IsLine doc => doc
equals SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Bool -> SDoc
forall a. Outputable a => a -> SDoc
ppr Bool
wr
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cec_expand_syns" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
forall doc. IsLine doc => doc
equals SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Bool -> SDoc
forall a. Outputable a => a -> SDoc
ppr Bool
es
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cec_suppress" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
forall doc. IsLine doc => doc
equals SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Bool -> SDoc
forall a. Outputable a => a -> SDoc
ppr Bool
sup ])
pprSolverReportWithCtxt :: SolverReportWithCtxt -> SDoc
pprSolverReportWithCtxt :: SolverReportWithCtxt -> SDoc
pprSolverReportWithCtxt (SolverReportWithCtxt { reportContext :: SolverReportWithCtxt -> SolverReportErrCtxt
reportContext = SolverReportErrCtxt
ctxt, reportContent :: SolverReportWithCtxt -> TcSolverReportMsg
reportContent = TcSolverReportMsg
msg })
= SolverReportErrCtxt -> TcSolverReportMsg -> SDoc
pprTcSolverReportMsg SolverReportErrCtxt
ctxt TcSolverReportMsg
msg
pprTcSolverReportMsg :: SolverReportErrCtxt -> TcSolverReportMsg -> SDoc
pprTcSolverReportMsg :: SolverReportErrCtxt -> TcSolverReportMsg -> SDoc
pprTcSolverReportMsg SolverReportErrCtxt
_ (BadTelescope TyVarBndrs
telescope [TyVar]
skols) =
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"These kind and type variables:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TyVarBndrs -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVarBndrs
telescope SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"are out of dependency order. Perhaps try this ordering:")
Arity
2 ([TyVar] -> SDoc
pprTyVars [TyVar]
sorted_tvs)
where
sorted_tvs :: [TyVar]
sorted_tvs = [TyVar] -> [TyVar]
scopedSort [TyVar]
skols
pprTcSolverReportMsg SolverReportErrCtxt
_ (UserTypeError Type
ty) =
Type -> SDoc
pprUserTypeErrorTy Type
ty
pprTcSolverReportMsg SolverReportErrCtxt
_ (UnsatisfiableError Type
ty) =
Type -> SDoc
pprUserTypeErrorTy Type
ty
pprTcSolverReportMsg SolverReportErrCtxt
ctxt (ReportHoleError Hole
hole HoleError
err) =
SolverReportErrCtxt -> Hole -> HoleError -> SDoc
pprHoleError SolverReportErrCtxt
ctxt Hole
hole HoleError
err
pprTcSolverReportMsg SolverReportErrCtxt
ctxt
(CannotUnifyVariable
{ mismatchMsg :: TcSolverReportMsg -> MismatchMsg
mismatchMsg = MismatchMsg
msg
, cannotUnifyReason :: TcSolverReportMsg -> CannotUnifyVariableReason
cannotUnifyReason = CannotUnifyVariableReason
reason })
= SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt MismatchMsg
msg
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SolverReportErrCtxt -> CannotUnifyVariableReason -> SDoc
pprCannotUnifyVariableReason SolverReportErrCtxt
ctxt CannotUnifyVariableReason
reason
pprTcSolverReportMsg SolverReportErrCtxt
ctxt
(Mismatch
{ mismatchMsg :: TcSolverReportMsg -> MismatchMsg
mismatchMsg = MismatchMsg
mismatch_msg
, mismatchTyVarInfo :: TcSolverReportMsg -> Maybe TyVarInfo
mismatchTyVarInfo = Maybe TyVarInfo
tv_info
, mismatchAmbiguityInfo :: TcSolverReportMsg -> [AmbiguityInfo]
mismatchAmbiguityInfo = [AmbiguityInfo]
ambig_infos
, mismatchCoercibleInfo :: TcSolverReportMsg -> Maybe CoercibleMsg
mismatchCoercibleInfo = Maybe CoercibleMsg
coercible_info })
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([ SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt MismatchMsg
mismatch_msg
, SDoc -> (TyVarInfo -> SDoc) -> Maybe TyVarInfo -> SDoc
forall b a. b -> (a -> b) -> Maybe a -> b
maybe SDoc
forall doc. IsOutput doc => doc
empty (SolverReportErrCtxt -> TyVarInfo -> SDoc
pprTyVarInfo SolverReportErrCtxt
ctxt) Maybe TyVarInfo
tv_info
, SDoc -> (CoercibleMsg -> SDoc) -> Maybe CoercibleMsg -> SDoc
forall b a. b -> (a -> b) -> Maybe a -> b
maybe SDoc
forall doc. IsOutput doc => doc
empty CoercibleMsg -> SDoc
pprCoercibleMsg Maybe CoercibleMsg
coercible_info ]
[SDoc] -> [SDoc] -> [SDoc]
forall a. [a] -> [a] -> [a]
++ ((AmbiguityInfo -> SDoc) -> [AmbiguityInfo] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map AmbiguityInfo -> SDoc
pprAmbiguityInfo [AmbiguityInfo]
ambig_infos))
pprTcSolverReportMsg SolverReportErrCtxt
_ (FixedRuntimeRepError [FixedRuntimeRepErrorInfo]
frr_origs) =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((FixedRuntimeRepErrorInfo -> SDoc)
-> [FixedRuntimeRepErrorInfo] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map FixedRuntimeRepErrorInfo -> SDoc
make_msg [FixedRuntimeRepErrorInfo]
frr_origs)
where
make_msg :: FixedRuntimeRepErrorInfo -> SDoc
make_msg :: FixedRuntimeRepErrorInfo -> SDoc
make_msg (FRR_Info { frr_info_origin :: FixedRuntimeRepErrorInfo -> FixedRuntimeRepOrigin
frr_info_origin =
FixedRuntimeRepOrigin
{ frr_type :: FixedRuntimeRepOrigin -> Type
frr_type = Type
ty
, frr_context :: FixedRuntimeRepOrigin -> FixedRuntimeRepContext
frr_context = FixedRuntimeRepContext
frr_ctxt }
, frr_info_not_concrete :: FixedRuntimeRepErrorInfo -> Maybe (TyVar, Type)
frr_info_not_concrete =
Maybe (TyVar, Type)
mb_not_conc }) =
(if [FixedRuntimeRepErrorInfo] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [FixedRuntimeRepErrorInfo]
frr_origs Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
> Arity
1 then (SDoc
bullet SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>) else SDoc -> SDoc
forall a. a -> a
id) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ FixedRuntimeRepContext -> SDoc
pprFixedRuntimeRepContext FixedRuntimeRepContext
frr_ctxt
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not have a fixed runtime representation." ]
, Type -> SDoc
type_printout Type
ty
, case Maybe (TyVar, Type)
mb_not_conc of
Maybe (TyVar, Type)
Nothing -> SDoc
forall doc. IsOutput doc => doc
empty
Just (TyVar
conc_tv, Type
not_conc) ->
TyVar -> Type -> SDoc
unsolved_concrete_eq_explanation TyVar
conc_tv Type
not_conc ]
confusing_cast :: Type -> Bool
confusing_cast :: Type -> Bool
confusing_cast Type
ty =
case Type
ty of
CastTy Type
inner_ty Coercion
_
-> Type -> Bool
isConcreteType (HasDebugCallStack => Type -> Type
Type -> Type
typeKind Type
inner_ty)
Type
_ -> Bool
False
type_printout :: Type -> SDoc
type_printout :: Type -> SDoc
type_printout Type
ty =
(SDocContext -> Bool) -> (Bool -> SDoc) -> SDoc
forall a. (SDocContext -> a) -> (a -> SDoc) -> SDoc
sdocOption SDocContext -> Bool
sdocPrintExplicitCoercions ((Bool -> SDoc) -> SDoc) -> (Bool -> SDoc) -> SDoc
forall a b. (a -> b) -> a -> b
$ \ Bool
show_coercions ->
if Type -> Bool
confusing_cast Type
ty Bool -> Bool -> Bool
&& Bool -> Bool
not Bool
show_coercions
then [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Its kind is:"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ Type -> SDoc
pprWithTYPE (HasDebugCallStack => Type -> Type
Type -> Type
typeKind Type
ty)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(Use -fprint-explicit-coercions to see the full type.)" ]
else [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Its type is:"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprWithTYPE (HasDebugCallStack => Type -> Type
Type -> Type
typeKind Type
ty) ]
unsolved_concrete_eq_explanation :: TcTyVar -> Type -> SDoc
unsolved_concrete_eq_explanation :: TyVar -> Type -> SDoc
unsolved_concrete_eq_explanation TyVar
tv Type
not_conc =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot unify" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
not_conc)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"with the type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tv)
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"because the former is not a concrete" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
where
ki :: Type
ki = TyVar -> Type
tyVarKind TyVar
tv
what :: SDoc
what :: SDoc
what
| Type -> Bool
isRuntimeRepTy Type
ki
= SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"RuntimeRep")
| Type -> Bool
isLevityTy Type
ki
= SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Levity")
| Bool
otherwise
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type"
pprTcSolverReportMsg SolverReportErrCtxt
_ (BlockedEquality ErrorItem
item) =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot use equality for substitution:")
Arity
2 (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (ErrorItem -> Type
errorItemPred ErrorItem
item))
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Doing so would be ill-kinded." ]
pprTcSolverReportMsg SolverReportErrCtxt
_ (ExpectingMoreArguments Arity
n TypedThing
thing) =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expecting" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
speakN (Arity -> Arity
forall a. Num a => a -> a
abs Arity
n) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc
more SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TypedThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TypedThing
thing)
where
more :: SDoc
more
| Arity
n Arity -> Arity -> Bool
forall a. Eq a => a -> a -> Bool
== Arity
1 = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"more argument to"
| Bool
otherwise = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"more arguments to"
pprTcSolverReportMsg SolverReportErrCtxt
ctxt (UnboundImplicitParams (ErrorItem
item :| [ErrorItem]
items)) =
let givens :: [Implication]
givens = SolverReportErrCtxt -> [Implication]
getUserGivens SolverReportErrCtxt
ctxt
in if [Implication] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Implication]
givens
then CtLoc -> SDoc -> SDoc
addArising (ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unbound implicit parameter" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Type] -> SDoc
forall a. [a] -> SDoc
plural [Type]
preds
, Arity -> SDoc -> SDoc
nest Arity
2 ([Type] -> SDoc
pprParendTheta [Type]
preds) ]
else SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt ([Implication]
-> NonEmpty ErrorItem -> Maybe CND_Extra -> MismatchMsg
CouldNotDeduce [Implication]
givens (ErrorItem
item ErrorItem -> [ErrorItem] -> NonEmpty ErrorItem
forall a. a -> [a] -> NonEmpty a
:| [ErrorItem]
items) Maybe CND_Extra
forall a. Maybe a
Nothing)
where
preds :: [Type]
preds = (ErrorItem -> Type) -> [ErrorItem] -> [Type]
forall a b. (a -> b) -> [a] -> [b]
map ErrorItem -> Type
errorItemPred (ErrorItem
item ErrorItem -> [ErrorItem] -> [ErrorItem]
forall a. a -> [a] -> [a]
: [ErrorItem]
items)
pprTcSolverReportMsg SolverReportErrCtxt
_ (AmbiguityPreventsSolvingCt ErrorItem
item ([TyVar], [TyVar])
ambigs) =
AmbiguityInfo -> SDoc
pprAmbiguityInfo (Bool -> ([TyVar], [TyVar]) -> AmbiguityInfo
Ambiguity Bool
True ([TyVar], [TyVar])
ambigs) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
CtLoc -> SDoc
pprArising (ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item) SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"prevents the constraint" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
pprParendType (Type -> SDoc) -> Type -> SDoc
forall a b. (a -> b) -> a -> b
$ ErrorItem -> Type
errorItemPred ErrorItem
item)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"from being solved."
pprTcSolverReportMsg ctxt :: SolverReportErrCtxt
ctxt@(CEC {cec_encl :: SolverReportErrCtxt -> [Implication]
cec_encl = [Implication]
implics})
(CannotResolveInstance ErrorItem
item [ClsInst]
unifiers [ClsInst]
candidates [ImportError]
imp_errs [GhcHint]
suggs RelevantBindings
binds)
=
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ SDoc
no_inst_msg
, Arity -> SDoc -> SDoc
nest Arity
2 SDoc
extra_note
, Maybe SDoc
mb_patsyn_prov Maybe SDoc -> SDoc -> SDoc
forall a. Maybe a -> a -> a
`orElse` SDoc
forall doc. IsOutput doc => doc
empty
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen (Bool
has_ambigs Bool -> Bool -> Bool
&& Bool -> Bool
not ([ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
unifiers Bool -> Bool -> Bool
&& [Implication] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Implication]
useful_givens))
([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppUnless Bool
lead_with_ambig (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
AmbiguityInfo -> SDoc
pprAmbiguityInfo (Bool -> ([TyVar], [TyVar]) -> AmbiguityInfo
Ambiguity Bool
False ([TyVar]
ambig_kvs, [TyVar]
ambig_tvs))
, RelevantBindings -> SDoc
pprRelevantBindings RelevantBindings
binds
, SDoc
potential_msg ])
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen (Maybe SDoc -> Bool
forall a. Maybe a -> Bool
isNothing Maybe SDoc
mb_patsyn_prov) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
show_fixes (Bool -> Type -> [Implication] -> [SDoc]
ctxtFixes Bool
has_ambigs Type
pred [Implication]
implics
[SDoc] -> [SDoc] -> [SDoc]
forall a. [a] -> [a] -> [a]
++ [SDoc]
drv_fixes [SDoc] -> [SDoc] -> [SDoc]
forall a. [a] -> [a] -> [a]
++ [SDoc]
naked_sc_fixes)
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen (Bool -> Bool
not ([ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
candidates))
(SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"There are instances for similar types:")
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((ClsInst -> SDoc) -> [ClsInst] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ClsInst -> SDoc
forall a. Outputable a => a -> SDoc
ppr [ClsInst]
candidates)))
, [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (ImportError -> SDoc) -> [ImportError] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ImportError -> SDoc
forall a. Outputable a => a -> SDoc
ppr [ImportError]
imp_errs
, [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (GhcHint -> SDoc) -> [GhcHint] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GhcHint -> SDoc
forall a. Outputable a => a -> SDoc
ppr [GhcHint]
suggs ]
where
orig :: CtOrigin
orig = ErrorItem -> CtOrigin
errorItemOrigin ErrorItem
item
pred :: Type
pred = ErrorItem -> Type
errorItemPred ErrorItem
item
(Class
clas, [Type]
tys) = HasDebugCallStack => Type -> (Class, [Type])
Type -> (Class, [Type])
getClassPredTys Type
pred
([TyVar]
ambig_kvs, [TyVar]
ambig_tvs) = Type -> ([TyVar], [TyVar])
ambigTkvsOfTy Type
pred
ambigs :: [TyVar]
ambigs = [TyVar]
ambig_kvs [TyVar] -> [TyVar] -> [TyVar]
forall a. [a] -> [a] -> [a]
++ [TyVar]
ambig_tvs
has_ambigs :: Bool
has_ambigs = Bool -> Bool
not ([TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
ambigs)
useful_givens :: [Implication]
useful_givens = CtOrigin -> [Implication] -> [Implication]
discardProvCtxtGivens CtOrigin
orig ([Implication] -> [Implication]
getUserGivensFromImplics [Implication]
implics)
lead_with_ambig :: Bool
lead_with_ambig = Bool -> Bool
not ([TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
ambigs)
Bool -> Bool -> Bool
&& Bool -> Bool
not ((TyVar -> Bool) -> [TyVar] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any TyVar -> Bool
isRuntimeUnkSkol [TyVar]
ambigs)
Bool -> Bool -> Bool
&& Bool -> Bool
not ([ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
unifiers)
Bool -> Bool -> Bool
&& [Implication] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Implication]
useful_givens
no_inst_msg :: SDoc
no_inst_msg :: SDoc
no_inst_msg
| Bool
lead_with_ambig
= SolverReportErrCtxt -> TcSolverReportMsg -> SDoc
pprTcSolverReportMsg SolverReportErrCtxt
ctxt (TcSolverReportMsg -> SDoc) -> TcSolverReportMsg -> SDoc
forall a b. (a -> b) -> a -> b
$ ErrorItem -> ([TyVar], [TyVar]) -> TcSolverReportMsg
AmbiguityPreventsSolvingCt ErrorItem
item ([TyVar]
ambig_kvs, [TyVar]
ambig_tvs)
| Bool
otherwise
= SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt (MismatchMsg -> SDoc) -> MismatchMsg -> SDoc
forall a b. (a -> b) -> a -> b
$ [Implication]
-> NonEmpty ErrorItem -> Maybe CND_Extra -> MismatchMsg
CouldNotDeduce [Implication]
useful_givens (ErrorItem
item ErrorItem -> [ErrorItem] -> NonEmpty ErrorItem
forall a. a -> [a] -> NonEmpty a
:| []) Maybe CND_Extra
forall a. Maybe a
Nothing
want_potential :: CtOrigin -> Bool
want_potential (TypeEqOrigin {}) = Bool
False
want_potential CtOrigin
_ = Bool
True
potential_msg :: SDoc
potential_msg
= Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen (Bool -> Bool
not ([ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
unifiers) Bool -> Bool -> Bool
&& CtOrigin -> Bool
want_potential CtOrigin
orig) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc
potential_hdr SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
PotentialInstances -> SDoc
potentialInstancesErrMsg (PotentialInstances { matches :: [ClsInst]
matches = [], [ClsInst]
unifiers :: [ClsInst]
unifiers :: [ClsInst]
unifiers })
potential_hdr :: SDoc
potential_hdr
= Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen Bool
lead_with_ambig (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Probable fix: use a type annotation to specify what"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
ambig_tvs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"should be."
mb_patsyn_prov :: Maybe SDoc
mb_patsyn_prov :: Maybe SDoc
mb_patsyn_prov
| Bool -> Bool
not Bool
lead_with_ambig
, ProvCtxtOrigin PSB{ psb_def :: forall idL idR. PatSynBind idL idR -> LPat idR
psb_def = L SrcSpanAnnA
_ Pat (GhcPass 'Renamed)
pat } <- CtOrigin
orig
= SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"In other words, a successful match on the pattern"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ Pat (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr Pat (GhcPass 'Renamed)
pat
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not provide the constraint" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprParendType Type
pred ])
| Bool
otherwise = Maybe SDoc
forall a. Maybe a
Nothing
extra_note :: SDoc
extra_note | (Type -> Bool) -> [Type] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any Type -> Bool
isFunTy (TyCon -> [Type] -> [Type]
filterOutInvisibleTypes (Class -> TyCon
classTyCon Class
clas) [Type]
tys)
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(maybe you haven't applied a function to enough arguments?)"
| Class -> Name
className Class
clas Name -> Name -> Bool
forall a. Eq a => a -> a -> Bool
== Name
typeableClassName
, [Type
_,Type
ty] <- [Type]
tys
, Just (TyCon
tc,[Type]
_) <- HasDebugCallStack => Type -> Maybe (TyCon, [Type])
Type -> Maybe (TyCon, [Type])
tcSplitTyConApp_maybe Type
ty
, Bool -> Bool
not (TyCon -> Bool
isTypeFamilyTyCon TyCon
tc)
= SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GHC can't yet do polykinded")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Typeable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (HasDebugCallStack => Type -> Type
Type -> Type
typeKind Type
ty)))
| Bool
otherwise
= SDoc
forall doc. IsOutput doc => doc
empty
drv_fixes :: [SDoc]
drv_fixes = case CtOrigin
orig of
CtOrigin
DerivClauseOrigin -> [Bool -> SDoc
drv_fix Bool
False]
CtOrigin
StandAloneDerivOrigin -> [Bool -> SDoc
drv_fix Bool
True]
DerivOriginDC DataCon
_ Arity
_ Bool
standalone -> [Bool -> SDoc
drv_fix Bool
standalone]
DerivOriginCoerce TyVar
_ Type
_ Type
_ Bool
standalone -> [Bool -> SDoc
drv_fix Bool
standalone]
CtOrigin
_ -> []
drv_fix :: Bool -> SDoc
drv_fix Bool
standalone_wildcard
| Bool
standalone_wildcard
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"fill in the wildcard constraint yourself"
| Bool
otherwise
= SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"use a standalone 'deriving instance' declaration,")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"so you can specify the instance context yourself")
naked_sc_fixes :: [SDoc]
naked_sc_fixes
| ScOrigin ClsInstOrQC
_ NakedScFlag
NakedSc <- CtOrigin
orig
, (Implication -> Bool) -> [Implication] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any Implication -> Bool
non_tyvar_preds [Implication]
useful_givens
= [[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"If the constraint looks soluble from a superclass of the instance context,"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"read 'Undecidable instances and loopy superclasses' in the user manual" ]]
| Bool
otherwise = []
non_tyvar_preds :: UserGiven -> Bool
non_tyvar_preds :: Implication -> Bool
non_tyvar_preds = (TyVar -> Bool) -> [TyVar] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any TyVar -> Bool
non_tyvar_pred ([TyVar] -> Bool)
-> (Implication -> [TyVar]) -> Implication -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Implication -> [TyVar]
ic_given
non_tyvar_pred :: EvVar -> Bool
non_tyvar_pred :: TyVar -> Bool
non_tyvar_pred TyVar
given = case Type -> Maybe (Class, [Type])
getClassPredTys_maybe (TyVar -> Type
idType TyVar
given) of
Just (Class
_, [Type]
tys) -> Bool -> Bool
not ((Type -> Bool) -> [Type] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all Type -> Bool
isTyVarTy [Type]
tys)
Maybe (Class, [Type])
Nothing -> Bool
False
pprTcSolverReportMsg (CEC {cec_encl :: SolverReportErrCtxt -> [Implication]
cec_encl = [Implication]
implics}) (OverlappingInstances ErrorItem
item NonEmpty ClsInst
matches [ClsInst]
unifiers) =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ CtLoc -> SDoc -> SDoc
addArising CtLoc
ct_loc (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Overlapping instances for"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprType (Class -> [Type] -> Type
mkClassPred Class
clas [Type]
tys))
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppUnless ([SDoc] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [SDoc]
matching_givens) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Matching givens (or their superclasses):"
, Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc]
matching_givens)]
, PotentialInstances -> SDoc
potentialInstancesErrMsg
(PotentialInstances { matches :: [ClsInst]
matches = NonEmpty ClsInst -> [ClsInst]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty ClsInst
matches, [ClsInst]
unifiers :: [ClsInst]
unifiers :: [ClsInst]
unifiers })
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen ([SDoc] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [SDoc]
matching_givens Bool -> Bool -> Bool
&& [ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null (NonEmpty ClsInst -> [ClsInst]
forall a. NonEmpty a -> [a]
NE.tail NonEmpty ClsInst
matches) Bool -> Bool -> Bool
&& [ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
unifiers) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"There exists a (perhaps superclass) match:"
, Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([Implication] -> [SDoc]
pp_givens [Implication]
useful_givens))]
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen ([ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null ([ClsInst] -> Bool) -> [ClsInst] -> Bool
forall a b. (a -> b) -> a -> b
$ NonEmpty ClsInst -> [ClsInst]
forall a. NonEmpty a -> [a]
NE.tail NonEmpty ClsInst
matches) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppUnless ([TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
tyCoVars) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The choice depends on the instantiation of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes ((TyVar -> SDoc) -> [TyVar] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr [TyVar]
tyCoVars)
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppUnless ([TyCon] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyCon]
famTyCons) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
if ([TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
tyCoVars)
then
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The choice depends on the result of evaluating" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes ((TyCon -> SDoc) -> [TyCon] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr [TyCon]
famTyCons)
else
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and the result of evaluating" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes ((TyCon -> SDoc) -> [TyCon] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr [TyCon]
famTyCons)
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen ([SDoc] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null ([SDoc]
matching_givens)) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"To pick the first instance above, use IncoherentInstances"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"when compiling the other instance declarations"]
])]
where
ct_loc :: CtLoc
ct_loc = ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item
orig :: CtOrigin
orig = CtLoc -> CtOrigin
ctLocOrigin CtLoc
ct_loc
pred :: Type
pred = ErrorItem -> Type
errorItemPred ErrorItem
item
(Class
clas, [Type]
tys) = HasDebugCallStack => Type -> (Class, [Type])
Type -> (Class, [Type])
getClassPredTys Type
pred
tyCoVars :: [TyVar]
tyCoVars = [Type] -> [TyVar]
tyCoVarsOfTypesList [Type]
tys
famTyCons :: [TyCon]
famTyCons = (TyCon -> Bool) -> [TyCon] -> [TyCon]
forall a. (a -> Bool) -> [a] -> [a]
filter TyCon -> Bool
isFamilyTyCon ([TyCon] -> [TyCon]) -> [TyCon] -> [TyCon]
forall a b. (a -> b) -> a -> b
$ (Type -> [TyCon]) -> [Type] -> [TyCon]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap (UniqSet TyCon -> [TyCon]
forall elt. UniqSet elt -> [elt]
nonDetEltsUniqSet (UniqSet TyCon -> [TyCon])
-> (Type -> UniqSet TyCon) -> Type -> [TyCon]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Type -> UniqSet TyCon
tyConsOfType) [Type]
tys
useful_givens :: [Implication]
useful_givens = CtOrigin -> [Implication] -> [Implication]
discardProvCtxtGivens CtOrigin
orig ([Implication] -> [Implication]
getUserGivensFromImplics [Implication]
implics)
matching_givens :: [SDoc]
matching_givens = (Implication -> Maybe SDoc) -> [Implication] -> [SDoc]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe Implication -> Maybe SDoc
matchable [Implication]
useful_givens
matchable :: Implication -> Maybe SDoc
matchable implic :: Implication
implic@(Implic { ic_given :: Implication -> [TyVar]
ic_given = [TyVar]
evvars, ic_info :: Implication -> SkolemInfoAnon
ic_info = SkolemInfoAnon
skol_info })
= case [Type]
ev_vars_matching of
[] -> Maybe SDoc
forall a. Maybe a
Nothing
[Type]
_ -> SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just (SDoc -> Maybe SDoc) -> SDoc -> Maybe SDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> Arity -> SDoc -> SDoc
hang ([Type] -> SDoc
pprTheta [Type]
ev_vars_matching)
Arity
2 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound by" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SkolemInfoAnon -> SDoc
forall a. Outputable a => a -> SDoc
ppr SkolemInfoAnon
skol_info
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
RealSrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (CtLocEnv -> RealSrcSpan
getCtLocEnvLoc (Implication -> CtLocEnv
ic_env Implication
implic)) ])
where ev_vars_matching :: [Type]
ev_vars_matching = [ Type
pred
| TyVar
ev_var <- [TyVar]
evvars
, let pred :: Type
pred = TyVar -> Type
evVarPred TyVar
ev_var
, (Type -> Bool) -> [Type] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any Type -> Bool
can_match (Type
pred Type -> [Type] -> [Type]
forall a. a -> [a] -> [a]
: Type -> [Type]
transSuperClasses Type
pred) ]
can_match :: Type -> Bool
can_match Type
pred
= case Type -> Maybe (Class, [Type])
getClassPredTys_maybe Type
pred of
Just (Class
clas', [Type]
tys') -> Class
clas' Class -> Class -> Bool
forall a. Eq a => a -> a -> Bool
== Class
clas
Bool -> Bool -> Bool
&& Maybe Subst -> Bool
forall a. Maybe a -> Bool
isJust ([Type] -> [Type] -> Maybe Subst
tcMatchTys [Type]
tys [Type]
tys')
Maybe (Class, [Type])
Nothing -> Bool
False
pprTcSolverReportMsg SolverReportErrCtxt
_ (UnsafeOverlap ErrorItem
item ClsInst
match NonEmpty ClsInst
unsafe_overlapped) =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ CtLoc -> SDoc -> SDoc
addArising CtLoc
ct_loc ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unsafe overlapping instances for"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprType (Class -> [Type] -> Type
mkClassPred Class
clas [Type]
tys))
, [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The matching instance is:",
Arity -> SDoc -> SDoc
nest Arity
2 (ClsInst -> SDoc
pprInstance ClsInst
match)]
, [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"It is compiled in a Safe module and as such can only"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"overlap instances from the same module, however it"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"overlaps the following instances from different" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"modules:"
, Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [[ClsInst] -> SDoc
pprInstances ([ClsInst] -> SDoc) -> [ClsInst] -> SDoc
forall a b. (a -> b) -> a -> b
$ NonEmpty ClsInst -> [ClsInst]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty ClsInst
unsafe_overlapped])
]
]
where
ct_loc :: CtLoc
ct_loc = ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item
pred :: Type
pred = ErrorItem -> Type
errorItemPred ErrorItem
item
(Class
clas, [Type]
tys) = HasDebugCallStack => Type -> (Class, [Type])
Type -> (Class, [Type])
getClassPredTys Type
pred
pprTcSolverReportMsg SolverReportErrCtxt
_ TcSolverReportMsg
MultiplicityCoercionsNotSupported = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GHC bug #19517: GHC currently does not support programs using GADTs or type families to witness equality of multiplicities"
pprCannotUnifyVariableReason :: SolverReportErrCtxt -> CannotUnifyVariableReason -> SDoc
pprCannotUnifyVariableReason :: SolverReportErrCtxt -> CannotUnifyVariableReason -> SDoc
pprCannotUnifyVariableReason SolverReportErrCtxt
ctxt (CannotUnifyWithPolytype ErrorItem
item TyVar
tv1 Type
ty2 Maybe TyVarInfo
mb_tv_info) =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ (if TyVar -> Bool
isSkolemTyVar TyVar
tv1
then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot equate type variable"
else [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot instantiate unification variable")
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tv1)
, SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"with a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"involving polytypes:") Arity
2 (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty2)
, SDoc -> (TyVarInfo -> SDoc) -> Maybe TyVarInfo -> SDoc
forall b a. b -> (a -> b) -> Maybe a -> b
maybe SDoc
forall doc. IsOutput doc => doc
empty (SolverReportErrCtxt -> TyVarInfo -> SDoc
pprTyVarInfo SolverReportErrCtxt
ctxt) Maybe TyVarInfo
mb_tv_info ]
where
what :: SDoc
what = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> SDoc) -> [Char] -> SDoc
forall a b. (a -> b) -> a -> b
$ TypeOrKind -> [Char]
levelString (TypeOrKind -> [Char]) -> TypeOrKind -> [Char]
forall a b. (a -> b) -> a -> b
$
CtLoc -> Maybe TypeOrKind
ctLocTypeOrKind_maybe (ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item) Maybe TypeOrKind -> TypeOrKind -> TypeOrKind
forall a. Maybe a -> a -> a
`orElse` TypeOrKind
TypeLevel
pprCannotUnifyVariableReason SolverReportErrCtxt
_ (SkolemEscape ErrorItem
item Implication
implic [TyVar]
esc_skols) =
let
esc_doc :: SDoc
esc_doc = [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"because" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
esc_skols
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
esc_skols
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"would escape" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
if [TyVar] -> Bool
forall a. [a] -> Bool
isSingleton [TyVar]
esc_skols then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"its scope"
else [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"their scope" ]
in
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc
esc_doc
, [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ (if [TyVar] -> Bool
forall a. [a] -> Bool
isSingleton [TyVar]
esc_skols
then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"This (rigid, skolem)" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"variable is"
else [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"These (rigid, skolem)" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"variables are")
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound by"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SkolemInfoAnon -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Implication -> SkolemInfoAnon
ic_info Implication
implic)
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
RealSrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (CtLocEnv -> RealSrcSpan
getCtLocEnvLoc (Implication -> CtLocEnv
ic_env Implication
implic)) ] ]
where
what :: SDoc
what = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> SDoc) -> [Char] -> SDoc
forall a b. (a -> b) -> a -> b
$ TypeOrKind -> [Char]
levelString (TypeOrKind -> [Char]) -> TypeOrKind -> [Char]
forall a b. (a -> b) -> a -> b
$
CtLoc -> Maybe TypeOrKind
ctLocTypeOrKind_maybe (ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item) Maybe TypeOrKind -> TypeOrKind -> TypeOrKind
forall a. Maybe a -> a -> a
`orElse` TypeOrKind
TypeLevel
pprCannotUnifyVariableReason SolverReportErrCtxt
ctxt
(OccursCheck
{ occursCheckInterestingTyVars :: CannotUnifyVariableReason -> [TyVar]
occursCheckInterestingTyVars = [TyVar]
interesting_tvs
, occursCheckAmbiguityInfos :: CannotUnifyVariableReason -> [AmbiguityInfo]
occursCheckAmbiguityInfos = [AmbiguityInfo]
ambig_infos })
= [TyVar] -> SDoc
ppr_interesting_tyVars [TyVar]
interesting_tvs
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((AmbiguityInfo -> SDoc) -> [AmbiguityInfo] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map AmbiguityInfo -> SDoc
pprAmbiguityInfo [AmbiguityInfo]
ambig_infos)
where
ppr_interesting_tyVars :: [TyVar] -> SDoc
ppr_interesting_tyVars [] = SDoc
forall doc. IsOutput doc => doc
empty
ppr_interesting_tyVars (TyVar
tv:[TyVar]
tvs) =
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type variable kinds:") Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((TyVar -> SDoc) -> [TyVar] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (TyVar -> SDoc
tyvar_binding (TyVar -> SDoc) -> (TyVar -> TyVar) -> TyVar -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. TidyEnv -> TyVar -> TyVar
tidyTyCoVarOcc (SolverReportErrCtxt -> TidyEnv
cec_tidy SolverReportErrCtxt
ctxt))
(TyVar
tvTyVar -> [TyVar] -> [TyVar]
forall a. a -> [a] -> [a]
:[TyVar]
tvs))
tyvar_binding :: TyVar -> SDoc
tyvar_binding TyVar
tyvar = TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tyvar SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyVar -> Type
tyVarKind TyVar
tyvar)
pprCannotUnifyVariableReason SolverReportErrCtxt
ctxt (DifferentTyVars TyVarInfo
tv_info)
= SolverReportErrCtxt -> TyVarInfo -> SDoc
pprTyVarInfo SolverReportErrCtxt
ctxt TyVarInfo
tv_info
pprCannotUnifyVariableReason SolverReportErrCtxt
ctxt (RepresentationalEq TyVarInfo
tv_info Maybe CoercibleMsg
mb_coercible_msg)
= SolverReportErrCtxt -> TyVarInfo -> SDoc
pprTyVarInfo SolverReportErrCtxt
ctxt TyVarInfo
tv_info
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SDoc -> (CoercibleMsg -> SDoc) -> Maybe CoercibleMsg -> SDoc
forall b a. b -> (a -> b) -> Maybe a -> b
maybe SDoc
forall doc. IsOutput doc => doc
empty CoercibleMsg -> SDoc
pprCoercibleMsg Maybe CoercibleMsg
mb_coercible_msg
pprUntouchableVariable :: TcTyVar -> Implication -> SDoc
pprUntouchableVariable :: TyVar -> Implication -> SDoc
pprUntouchableVariable TyVar
tv (Implic { ic_given :: Implication -> [TyVar]
ic_given = [TyVar]
given, ic_info :: Implication -> SkolemInfoAnon
ic_info = SkolemInfoAnon
skol_info, ic_env :: Implication -> CtLocEnv
ic_env = CtLocEnv
env })
= [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tv) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is untouchable"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"inside the constraints:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
pprEvVarTheta [TyVar]
given
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound by" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SkolemInfoAnon -> SDoc
forall a. Outputable a => a -> SDoc
ppr SkolemInfoAnon
skol_info
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> RealSrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (CtLocEnv -> RealSrcSpan
getCtLocEnvLoc CtLocEnv
env) ]
pprMismatchMsg :: SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg :: SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt
(BasicMismatch { mismatch_ea :: MismatchMsg -> MismatchEA
mismatch_ea = MismatchEA
ea
, mismatch_item :: MismatchMsg -> ErrorItem
mismatch_item = ErrorItem
item
, mismatch_ty1 :: MismatchMsg -> Type
mismatch_ty1 = Type
ty1
, mismatch_ty2 :: MismatchMsg -> Type
mismatch_ty2 = Type
ty2
, mismatch_whenMatching :: MismatchMsg -> Maybe WhenMatching
mismatch_whenMatching = Maybe WhenMatching
mb_match_txt
, mismatch_mb_same_occ :: MismatchMsg -> Maybe SameOccInfo
mismatch_mb_same_occ = Maybe SameOccInfo
same_occ_info })
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ CtLoc -> SDoc -> SDoc
addArising (ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item) SDoc
msg
, SDoc
ea_extra
, SDoc -> (WhenMatching -> SDoc) -> Maybe WhenMatching -> SDoc
forall b a. b -> (a -> b) -> Maybe a -> b
maybe SDoc
forall doc. IsOutput doc => doc
empty (SolverReportErrCtxt -> WhenMatching -> SDoc
pprWhenMatching SolverReportErrCtxt
ctxt) Maybe WhenMatching
mb_match_txt
, SDoc -> (SameOccInfo -> SDoc) -> Maybe SameOccInfo -> SDoc
forall b a. b -> (a -> b) -> Maybe a -> b
maybe SDoc
forall doc. IsOutput doc => doc
empty SameOccInfo -> SDoc
pprSameOccInfo Maybe SameOccInfo
same_occ_info ]
where
msg :: SDoc
msg
| (Type -> Bool
isLiftedRuntimeRep Type
ty1 Bool -> Bool -> Bool
&& Type -> Bool
isUnliftedRuntimeRep Type
ty2) Bool -> Bool -> Bool
||
(Type -> Bool
isLiftedRuntimeRep Type
ty2 Bool -> Bool -> Bool
&& Type -> Bool
isUnliftedRuntimeRep Type
ty1) Bool -> Bool -> Bool
||
(Type -> Bool
isLiftedLevity Type
ty1 Bool -> Bool -> Bool
&& Type -> Bool
isUnliftedLevity Type
ty2) Bool -> Bool -> Bool
||
(Type -> Bool
isLiftedLevity Type
ty2 Bool -> Bool -> Bool
&& Type -> Bool
isUnliftedLevity Type
ty1)
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Couldn't match a lifted type with an unlifted type"
| Type -> Bool
isAtomicTy Type
ty1 Bool -> Bool -> Bool
|| Type -> Bool
isAtomicTy Type
ty2
=
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
herald1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty1)
, Arity -> SDoc -> SDoc
nest Arity
padding (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
herald2 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty2) ]
| Bool
otherwise
=
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
herald1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty1
, Arity -> SDoc -> SDoc
nest Arity
padding (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
herald2 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty2 ]
herald1 :: [Char]
herald1 = [[Char]] -> [Char]
conc [ [Char]
"Couldn't match"
, if Bool
is_repr then [Char]
"representation of" else [Char]
""
, if Bool
want_ea then [Char]
"expected" else [Char]
""
, [Char]
what ]
herald2 :: [Char]
herald2 = [[Char]] -> [Char]
conc [ [Char]
"with"
, if Bool
is_repr then [Char]
"that of" else [Char]
""
, if Bool
want_ea then ([Char]
"actual " [Char] -> [Char] -> [Char]
forall a. [a] -> [a] -> [a]
++ [Char]
what) else [Char]
"" ]
padding :: Arity
padding = [Char] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [Char]
herald1 Arity -> Arity -> Arity
forall a. Num a => a -> a -> a
- [Char] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [Char]
herald2
(Bool
want_ea, SDoc
ea_extra)
= case MismatchEA
ea of
MismatchEA
NoEA -> (Bool
False, SDoc
forall doc. IsOutput doc => doc
empty)
EA Maybe ExpectedActualInfo
mb_extra -> (Bool
True , SDoc
-> (ExpectedActualInfo -> SDoc) -> Maybe ExpectedActualInfo -> SDoc
forall b a. b -> (a -> b) -> Maybe a -> b
maybe SDoc
forall doc. IsOutput doc => doc
empty (SolverReportErrCtxt -> ExpectedActualInfo -> SDoc
pprExpectedActualInfo SolverReportErrCtxt
ctxt) Maybe ExpectedActualInfo
mb_extra)
is_repr :: Bool
is_repr = case ErrorItem -> EqRel
errorItemEqRel ErrorItem
item of { EqRel
ReprEq -> Bool
True; EqRel
NomEq -> Bool
False }
what :: [Char]
what = TypeOrKind -> [Char]
levelString (CtLoc -> Maybe TypeOrKind
ctLocTypeOrKind_maybe (ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item) Maybe TypeOrKind -> TypeOrKind -> TypeOrKind
forall a. Maybe a -> a -> a
`orElse` TypeOrKind
TypeLevel)
conc :: [String] -> String
conc :: [[Char]] -> [Char]
conc = ([Char] -> [Char] -> [Char]) -> [[Char]] -> [Char]
forall a. (a -> a -> a) -> [a] -> a
forall (t :: * -> *) a. Foldable t => (a -> a -> a) -> t a -> a
foldr1 [Char] -> [Char] -> [Char]
add_space
add_space :: String -> String -> String
add_space :: [Char] -> [Char] -> [Char]
add_space [Char]
s1 [Char]
s2 | [Char] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Char]
s1 = [Char]
s2
| [Char] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Char]
s2 = [Char]
s1
| Bool
otherwise = [Char]
s1 [Char] -> [Char] -> [Char]
forall a. [a] -> [a] -> [a]
++ (Char
' ' Char -> [Char] -> [Char]
forall a. a -> [a] -> [a]
: [Char]
s2)
pprMismatchMsg SolverReportErrCtxt
_
(KindMismatch { kmismatch_what :: MismatchMsg -> TypedThing
kmismatch_what = TypedThing
thing
, kmismatch_expected :: MismatchMsg -> Type
kmismatch_expected = Type
exp
, kmismatch_actual :: MismatchMsg -> Type
kmismatch_actual = Type
act })
= SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
kind_desc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma)
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TypedThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TypedThing
thing) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has kind" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
act))
where
kind_desc :: SDoc
kind_desc | Type -> Bool
isConstraintLikeKind Type
exp = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a constraint"
| Just Type
arg <- HasDebugCallStack => Type -> Maybe Type
Type -> Maybe Type
kindRep_maybe Type
exp
, Type -> Bool
tcIsTyVarTy Type
arg = (SDocContext -> Bool) -> (Bool -> SDoc) -> SDoc
forall a. (SDocContext -> a) -> (a -> SDoc) -> SDoc
sdocOption SDocContext -> Bool
sdocPrintExplicitRuntimeReps ((Bool -> SDoc) -> SDoc) -> (Bool -> SDoc) -> SDoc
forall a b. (a -> b) -> a -> b
$ \case
Bool
True -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"kind" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
exp)
Bool
False -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a type"
| Bool
otherwise = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"kind" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
exp)
pprMismatchMsg SolverReportErrCtxt
ctxt
(TypeEqMismatch { teq_mismatch_item :: MismatchMsg -> ErrorItem
teq_mismatch_item = ErrorItem
item
, teq_mismatch_ty1 :: MismatchMsg -> Type
teq_mismatch_ty1 = Type
ty1
, teq_mismatch_ty2 :: MismatchMsg -> Type
teq_mismatch_ty2 = Type
ty2
, teq_mismatch_expected :: MismatchMsg -> Type
teq_mismatch_expected = Type
exp
, teq_mismatch_actual :: MismatchMsg -> Type
teq_mismatch_actual = Type
act
, teq_mismatch_what :: MismatchMsg -> Maybe TypedThing
teq_mismatch_what = Maybe TypedThing
mb_thing
, teq_mb_same_occ :: MismatchMsg -> Maybe SameOccInfo
teq_mb_same_occ = Maybe SameOccInfo
mb_same_occ })
= CtLoc -> SDoc -> SDoc
addArising CtLoc
ct_loc (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen Bool
ppr_invis_bits SDoc
msg
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SDoc -> (SameOccInfo -> SDoc) -> Maybe SameOccInfo -> SDoc
forall b a. b -> (a -> b) -> Maybe a -> b
maybe SDoc
forall doc. IsOutput doc => doc
empty SameOccInfo -> SDoc
pprSameOccInfo Maybe SameOccInfo
mb_same_occ
where
msg :: SDoc
msg | Just (TypeOrConstraint
torc, Type
rep) <- Type -> Maybe (TypeOrConstraint, Type)
sORTKind_maybe Type
exp
= TypeOrConstraint -> Type -> SDoc
msg_for_exp_sort TypeOrConstraint
torc Type
rep
| Just SDoc
nargs_msg <- Maybe SDoc
num_args_msg
, Right MismatchMsg
ea_msg <- SolverReportErrCtxt
-> Maybe ErrorItem
-> TypeOrKind
-> CtOrigin
-> Either [ExpectedActualInfo] MismatchMsg
mk_ea_msg SolverReportErrCtxt
ctxt (ErrorItem -> Maybe ErrorItem
forall a. a -> Maybe a
Just ErrorItem
item) TypeOrKind
level CtOrigin
orig
= SDoc
nargs_msg SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt MismatchMsg
ea_msg
| Type -> Type -> Type -> Type -> Bool
ea_looks_same Type
ty1 Type
ty2 Type
exp Type
act
, Right MismatchMsg
ea_msg <- SolverReportErrCtxt
-> Maybe ErrorItem
-> TypeOrKind
-> CtOrigin
-> Either [ExpectedActualInfo] MismatchMsg
mk_ea_msg SolverReportErrCtxt
ctxt (ErrorItem -> Maybe ErrorItem
forall a. a -> Maybe a
Just ErrorItem
item) TypeOrKind
level CtOrigin
orig
= SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt MismatchMsg
ea_msg
| Bool
otherwise
= SDoc
bale_out_msg
bale_out_msg :: SDoc
bale_out_msg = [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc]
errs
where
errs :: [SDoc]
errs = case SolverReportErrCtxt
-> Maybe ErrorItem
-> TypeOrKind
-> CtOrigin
-> Either [ExpectedActualInfo] MismatchMsg
mk_ea_msg SolverReportErrCtxt
ctxt Maybe ErrorItem
forall a. Maybe a
Nothing TypeOrKind
level CtOrigin
orig of
Left [ExpectedActualInfo]
ea_info -> SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt MismatchMsg
mismatch_err
SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: (ExpectedActualInfo -> SDoc) -> [ExpectedActualInfo] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SolverReportErrCtxt -> ExpectedActualInfo -> SDoc
pprExpectedActualInfo SolverReportErrCtxt
ctxt) [ExpectedActualInfo]
ea_info
Right MismatchMsg
ea_err -> [ SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt MismatchMsg
mismatch_err
, SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt MismatchMsg
ea_err ]
mismatch_err :: MismatchMsg
mismatch_err = MismatchEA -> ErrorItem -> Type -> Type -> MismatchMsg
mkBasicMismatchMsg MismatchEA
NoEA ErrorItem
item Type
ty1 Type
ty2
msg_for_exp_sort :: TypeOrConstraint -> Type -> SDoc
msg_for_exp_sort TypeOrConstraint
exp_torc Type
exp_rep
| Just (TypeOrConstraint
act_torc, Type
act_rep) <- Type -> Maybe (TypeOrConstraint, Type)
sORTKind_maybe Type
act
=
TypeOrConstraint -> Type -> SDoc
msg_torc_torc TypeOrConstraint
act_torc Type
act_rep
| Bool
otherwise
=
SDoc
maybe_num_args_msg SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TypeOrConstraint -> SDoc
forall {doc}. IsLine doc => TypeOrConstraint -> doc
ppr_torc TypeOrConstraint
exp_torc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> case Maybe TypedThing
mb_thing of
Maybe TypedThing
Nothing -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"found something with kind"
Just TypedThing
thing -> SDoc -> SDoc
quotes (TypedThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TypedThing
thing) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has kind"
, SDoc -> SDoc
quotes (Type -> SDoc
pprWithTYPE Type
act) ]
where
msg_torc_torc :: TypeOrConstraint -> Type -> SDoc
msg_torc_torc TypeOrConstraint
act_torc Type
act_rep
| TypeOrConstraint
exp_torc TypeOrConstraint -> TypeOrConstraint -> Bool
forall a. Eq a => a -> a -> Bool
== TypeOrConstraint
act_torc
= TypeOrConstraint -> Type -> SDoc
msg_same_torc TypeOrConstraint
act_torc Type
act_rep
| Bool
otherwise
= [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TypeOrConstraint -> SDoc
forall {doc}. IsLine doc => TypeOrConstraint -> doc
ppr_torc TypeOrConstraint
exp_torc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> case Maybe TypedThing
mb_thing of
Maybe TypedThing
Nothing -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"found a"
Just TypedThing
thing -> SDoc -> SDoc
quotes (TypedThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TypedThing
thing) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is a"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TypeOrConstraint -> SDoc
forall {doc}. IsLine doc => TypeOrConstraint -> doc
ppr_torc TypeOrConstraint
act_torc ]
msg_same_torc :: TypeOrConstraint -> Type -> SDoc
msg_same_torc TypeOrConstraint
act_torc Type
act_rep
| Just SDoc
exp_doc <- Type -> Maybe SDoc
describe_rep Type
exp_rep
, Just SDoc
act_doc <- Type -> Maybe SDoc
describe_rep Type
act_rep
= [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
exp_doc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TypeOrConstraint -> SDoc
forall {doc}. IsLine doc => TypeOrConstraint -> doc
ppr_torc TypeOrConstraint
exp_torc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> case Maybe TypedThing
mb_thing of
Just TypedThing
thing -> SDoc -> SDoc
quotes (TypedThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TypedThing
thing) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is"
Maybe TypedThing
Nothing -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"got"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
act_doc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TypeOrConstraint -> SDoc
forall {doc}. IsLine doc => TypeOrConstraint -> doc
ppr_torc TypeOrConstraint
act_torc ]
msg_same_torc TypeOrConstraint
_ Type
_ = SDoc
bale_out_msg
ct_loc :: CtLoc
ct_loc = ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item
orig :: CtOrigin
orig = ErrorItem -> CtOrigin
errorItemOrigin ErrorItem
item
level :: TypeOrKind
level = CtLoc -> Maybe TypeOrKind
ctLocTypeOrKind_maybe CtLoc
ct_loc Maybe TypeOrKind -> TypeOrKind -> TypeOrKind
forall a. Maybe a -> a -> a
`orElse` TypeOrKind
TypeLevel
ppr_invis_bits :: Bool
ppr_invis_bits = Type -> Type -> CtOrigin -> Bool
shouldPprWithInvisibleBits Type
ty1 Type
ty2 CtOrigin
orig
num_args_msg :: Maybe SDoc
num_args_msg = case TypeOrKind
level of
TypeOrKind
KindLevel
| Bool -> Bool
not (Type -> Bool
isMetaTyVarTy Type
exp) Bool -> Bool -> Bool
&& Bool -> Bool
not (Type -> Bool
isMetaTyVarTy Type
act)
-> let n_act :: Arity
n_act = Type -> Arity
count_args Type
act
n_exp :: Arity
n_exp = Type -> Arity
count_args Type
exp in
case Arity
n_act Arity -> Arity -> Arity
forall a. Num a => a -> a -> a
- Arity
n_exp of
Arity
n | Arity
n Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
> Arity
0
, Just TypedThing
thing <- Maybe TypedThing
mb_thing
-> SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just (SDoc -> Maybe SDoc) -> SDoc -> Maybe SDoc
forall a b. (a -> b) -> a -> b
$ SolverReportErrCtxt -> TcSolverReportMsg -> SDoc
pprTcSolverReportMsg SolverReportErrCtxt
ctxt (Arity -> TypedThing -> TcSolverReportMsg
ExpectingMoreArguments Arity
n TypedThing
thing)
Arity
_ -> Maybe SDoc
forall a. Maybe a
Nothing
TypeOrKind
_ -> Maybe SDoc
forall a. Maybe a
Nothing
maybe_num_args_msg :: SDoc
maybe_num_args_msg = Maybe SDoc
num_args_msg Maybe SDoc -> SDoc -> SDoc
forall a. Maybe a -> a -> a
`orElse` SDoc
forall doc. IsOutput doc => doc
empty
count_args :: Type -> Arity
count_args Type
ty = (PiTyBinder -> Bool) -> [PiTyBinder] -> Arity
forall a. (a -> Bool) -> [a] -> Arity
count PiTyBinder -> Bool
isVisiblePiTyBinder ([PiTyBinder] -> Arity) -> [PiTyBinder] -> Arity
forall a b. (a -> b) -> a -> b
$ ([PiTyBinder], Type) -> [PiTyBinder]
forall a b. (a, b) -> a
fst (([PiTyBinder], Type) -> [PiTyBinder])
-> ([PiTyBinder], Type) -> [PiTyBinder]
forall a b. (a -> b) -> a -> b
$ Type -> ([PiTyBinder], Type)
splitPiTys Type
ty
ppr_torc :: TypeOrConstraint -> doc
ppr_torc TypeOrConstraint
TypeLike = [Char] -> doc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type";
ppr_torc TypeOrConstraint
ConstraintLike = [Char] -> doc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"constraint"
describe_rep :: RuntimeRepType -> Maybe SDoc
describe_rep :: Type -> Maybe SDoc
describe_rep Type
rep
| Just (TyCon
rr_tc, [Type]
rr_args) <- Type -> Maybe (TyCon, [Type])
splitRuntimeRep_maybe Type
rep
= case [Type]
rr_args of
[Type
lev_ty] | TyCon
rr_tc TyCon -> Unique -> Bool
forall a. Uniquable a => a -> Unique -> Bool
`hasKey` Unique
boxedRepDataConKey
, Just Levity
lev <- Type -> Maybe Levity
levityType_maybe Type
lev_ty
-> case Levity
lev of
Levity
Lifted -> SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a lifted")
Levity
Unlifted -> SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a boxed unlifted")
[] | TyCon
rr_tc TyCon -> Unique -> Bool
forall a. Uniquable a => a -> Unique -> Bool
`hasKey` Unique
tupleRepDataConTyConKey -> SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a zero-bit")
| [Char] -> Bool
starts_with_vowel [Char]
rr_occ -> SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"an" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
rr_occ)
| Bool
otherwise -> SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
rr_occ)
where
rr_occ :: [Char]
rr_occ = OccName -> [Char]
occNameString (TyCon -> OccName
forall a. NamedThing a => a -> OccName
getOccName TyCon
rr_tc)
[Type]
_ -> Maybe SDoc
forall a. Maybe a
Nothing
| Bool
otherwise = Maybe SDoc
forall a. Maybe a
Nothing
starts_with_vowel :: [Char] -> Bool
starts_with_vowel (Char
c:[Char]
_) = Char
c Char -> [Char] -> Bool
forall a. Eq a => a -> [a] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` ([Char]
"AEIOU" :: String)
starts_with_vowel [] = Bool
False
pprMismatchMsg SolverReportErrCtxt
ctxt (CouldNotDeduce [Implication]
useful_givens (ErrorItem
item :| [ErrorItem]
others) Maybe CND_Extra
mb_extra)
= SDoc
main_msg SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
case Either [ExpectedActualInfo] MismatchMsg
supplementary of
Left [ExpectedActualInfo]
infos
-> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((ExpectedActualInfo -> SDoc) -> [ExpectedActualInfo] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SolverReportErrCtxt -> ExpectedActualInfo -> SDoc
pprExpectedActualInfo SolverReportErrCtxt
ctxt) [ExpectedActualInfo]
infos)
Right MismatchMsg
other_msg
-> SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt MismatchMsg
other_msg
where
main_msg :: SDoc
main_msg
| [Implication] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Implication]
useful_givens
= CtLoc -> SDoc -> SDoc
addArising CtLoc
ct_loc (SDoc
no_instance_msg SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
missing)
| Bool
otherwise
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat (CtLoc -> SDoc -> SDoc
addArising CtLoc
ct_loc (SDoc
no_deduce_msg SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
missing)
SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: [Implication] -> [SDoc]
pp_givens [Implication]
useful_givens)
supplementary :: Either [ExpectedActualInfo] MismatchMsg
supplementary = case Maybe CND_Extra
mb_extra of
Maybe CND_Extra
Nothing
-> [ExpectedActualInfo] -> Either [ExpectedActualInfo] MismatchMsg
forall a b. a -> Either a b
Left []
Just (CND_Extra TypeOrKind
level Type
ty1 Type
ty2)
-> SolverReportErrCtxt
-> TypeOrKind
-> Type
-> Type
-> CtOrigin
-> Either [ExpectedActualInfo] MismatchMsg
mk_supplementary_ea_msg SolverReportErrCtxt
ctxt TypeOrKind
level Type
ty1 Type
ty2 CtOrigin
orig
ct_loc :: CtLoc
ct_loc = ErrorItem -> CtLoc
errorItemCtLoc ErrorItem
item
orig :: CtOrigin
orig = CtLoc -> CtOrigin
ctLocOrigin CtLoc
ct_loc
wanteds :: [Type]
wanteds = (ErrorItem -> Type) -> [ErrorItem] -> [Type]
forall a b. (a -> b) -> [a] -> [b]
map ErrorItem -> Type
errorItemPred (ErrorItem
itemErrorItem -> [ErrorItem] -> [ErrorItem]
forall a. a -> [a] -> [a]
:[ErrorItem]
others)
no_instance_msg :: SDoc
no_instance_msg =
case [Type]
wanteds of
[Type
wanted] | Just (TyCon
tc, [Type]
_) <- HasDebugCallStack => Type -> Maybe (TyCon, [Type])
Type -> Maybe (TyCon, [Type])
splitTyConApp_maybe Type
wanted
, TyCon -> Bool
isClassTyCon TyCon
tc -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No instance for"
[Type]
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Could not solve:"
no_deduce_msg :: SDoc
no_deduce_msg =
case [Type]
wanteds of
[Type
_wanted] -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Could not deduce"
[Type]
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Could not deduce:"
missing :: SDoc
missing =
case [Type]
wanteds of
[Type
wanted] -> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
wanted)
[Type]
_ -> [Type] -> SDoc
pprTheta [Type]
wanteds
shouldPprWithInvisibleBits :: Type -> Type -> CtOrigin -> Bool
shouldPprWithInvisibleBits :: Type -> Type -> CtOrigin -> Bool
shouldPprWithInvisibleBits Type
_ty1 Type
_ty2 (TypeEqOrigin { uo_actual :: CtOrigin -> Type
uo_actual = Type
act
, uo_expected :: CtOrigin -> Type
uo_expected = Type
exp
, uo_visible :: CtOrigin -> Bool
uo_visible = Bool
vis })
| Bool -> Bool
not Bool
vis = Bool
True
| Bool
otherwise = Type -> Type -> Bool
mayLookIdentical Type
act Type
exp
shouldPprWithInvisibleBits Type
ty1 Type
ty2 CtOrigin
_ct
= Type -> Type -> Bool
mayLookIdentical Type
ty1 Type
ty2
pprPotentialInstances :: (ClsInst -> SDoc) -> PotentialInstances -> SDoc
pprPotentialInstances :: (ClsInst -> SDoc) -> PotentialInstances -> SDoc
pprPotentialInstances ClsInst -> SDoc
ppr_inst (PotentialInstances { [ClsInst]
matches :: PotentialInstances -> [ClsInst]
matches :: [ClsInst]
matches, [ClsInst]
unifiers :: PotentialInstances -> [ClsInst]
unifiers :: [ClsInst]
unifiers }) =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen (Bool -> Bool
not (Bool -> Bool) -> Bool -> Bool
forall a b. (a -> b) -> a -> b
$ [ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
matches) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Matching instance" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [ClsInst] -> SDoc
forall a. [a] -> SDoc
plural [ClsInst]
matches SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((ClsInst -> SDoc) -> [ClsInst] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ClsInst -> SDoc
ppr_inst [ClsInst]
matches))
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen (Bool -> Bool
not (Bool -> Bool) -> Bool -> Bool
forall a b. (a -> b) -> a -> b
$ [ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
unifiers) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Potentially matching instance" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [ClsInst] -> SDoc
forall a. [a] -> SDoc
plural [ClsInst]
unifiers SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon) SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((ClsInst -> SDoc) -> [ClsInst] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ClsInst -> SDoc
ppr_inst [ClsInst]
unifiers))
]
potentialInstancesErrMsg :: PotentialInstances -> SDoc
potentialInstancesErrMsg :: PotentialInstances -> SDoc
potentialInstancesErrMsg PotentialInstances
potentials =
(SDocContext -> Bool) -> (Bool -> SDoc) -> SDoc
forall a. (SDocContext -> a) -> (a -> SDoc) -> SDoc
sdocOption SDocContext -> Bool
sdocPrintPotentialInstances ((Bool -> SDoc) -> SDoc) -> (Bool -> SDoc) -> SDoc
forall a b. (a -> b) -> a -> b
$ \Bool
print_insts ->
(PprStyle -> SDoc) -> SDoc
getPprStyle ((PprStyle -> SDoc) -> SDoc) -> (PprStyle -> SDoc) -> SDoc
forall a b. (a -> b) -> a -> b
$ \PprStyle
sty ->
PotentialInstances -> Bool -> PprStyle -> SDoc
potentials_msg_with_options PotentialInstances
potentials Bool
print_insts PprStyle
sty
potentials_msg_with_options :: PotentialInstances
-> Bool
-> PprStyle
-> SDoc
potentials_msg_with_options :: PotentialInstances -> Bool -> PprStyle -> SDoc
potentials_msg_with_options
(PotentialInstances { [ClsInst]
matches :: PotentialInstances -> [ClsInst]
matches :: [ClsInst]
matches, [ClsInst]
unifiers :: PotentialInstances -> [ClsInst]
unifiers :: [ClsInst]
unifiers })
Bool
show_all_potentials PprStyle
sty
| [ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
matches Bool -> Bool -> Bool
&& [ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
unifiers
= SDoc
forall doc. IsOutput doc => doc
empty
| [ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
show_these_matches Bool -> Bool -> Bool
&& [ClsInst] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [ClsInst]
show_these_unifiers
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> SDoc
not_in_scope_msg SDoc
forall doc. IsOutput doc => doc
empty
, SDoc
flag_hint ]
| Bool
otherwise
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ (ClsInst -> SDoc) -> PotentialInstances -> SDoc
pprPotentialInstances
ClsInst -> SDoc
pprInstance
(PotentialInstances
{ matches :: [ClsInst]
matches = [ClsInst]
show_these_matches
, unifiers :: [ClsInst]
unifiers = [ClsInst]
show_these_unifiers })
, [ClsInst] -> SDoc
overlapping_but_not_more_specific_msg [ClsInst]
sorted_matches
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen (Arity
n_in_scope_hidden Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
> Arity
0) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"...plus"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc -> SDoc
speakNOf Arity
n_in_scope_hidden ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"other")
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen (Arity
not_in_scopes Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
> Arity
0) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
not_in_scope_msg ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"...plus")
, SDoc
flag_hint ] ]
where
n_show_matches, n_show_unifiers :: Int
n_show_matches :: Arity
n_show_matches = Arity
3
n_show_unifiers :: Arity
n_show_unifiers = Arity
2
([ClsInst]
in_scope_matches, [ClsInst]
not_in_scope_matches) = (ClsInst -> Bool) -> [ClsInst] -> ([ClsInst], [ClsInst])
forall a. (a -> Bool) -> [a] -> ([a], [a])
partition ClsInst -> Bool
inst_in_scope [ClsInst]
matches
([ClsInst]
in_scope_unifiers, [ClsInst]
not_in_scope_unifiers) = (ClsInst -> Bool) -> [ClsInst] -> ([ClsInst], [ClsInst])
forall a. (a -> Bool) -> [a] -> ([a], [a])
partition ClsInst -> Bool
inst_in_scope [ClsInst]
unifiers
sorted_matches :: [ClsInst]
sorted_matches = (ClsInst -> ClsInst -> Ordering) -> [ClsInst] -> [ClsInst]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy ClsInst -> ClsInst -> Ordering
fuzzyClsInstCmp [ClsInst]
in_scope_matches
sorted_unifiers :: [ClsInst]
sorted_unifiers = (ClsInst -> ClsInst -> Ordering) -> [ClsInst] -> [ClsInst]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy ClsInst -> ClsInst -> Ordering
fuzzyClsInstCmp [ClsInst]
in_scope_unifiers
([ClsInst]
show_these_matches, [ClsInst]
show_these_unifiers)
| Bool
show_all_potentials = ([ClsInst]
sorted_matches, [ClsInst]
sorted_unifiers)
| Bool
otherwise = (Arity -> [ClsInst] -> [ClsInst]
forall a. Arity -> [a] -> [a]
take Arity
n_show_matches [ClsInst]
sorted_matches
,Arity -> [ClsInst] -> [ClsInst]
forall a. Arity -> [a] -> [a]
take Arity
n_show_unifiers [ClsInst]
sorted_unifiers)
n_in_scope_hidden :: Arity
n_in_scope_hidden
= [ClsInst] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [ClsInst]
sorted_matches Arity -> Arity -> Arity
forall a. Num a => a -> a -> a
+ [ClsInst] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [ClsInst]
sorted_unifiers
Arity -> Arity -> Arity
forall a. Num a => a -> a -> a
- [ClsInst] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [ClsInst]
show_these_matches Arity -> Arity -> Arity
forall a. Num a => a -> a -> a
- [ClsInst] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [ClsInst]
show_these_unifiers
inst_in_scope :: ClsInst -> Bool
inst_in_scope :: ClsInst -> Bool
inst_in_scope ClsInst
cls_inst = (Name -> Bool) -> NameSet -> Bool
nameSetAll Name -> Bool
name_in_scope (NameSet -> Bool) -> NameSet -> Bool
forall a b. (a -> b) -> a -> b
$
[Type] -> NameSet
orphNamesOfTypes (ClsInst -> [Type]
is_tys ClsInst
cls_inst)
name_in_scope :: Name -> Bool
name_in_scope Name
name
| Name -> Bool
pretendNameIsInScope Name
name
= Bool
True
| Just Module
mod <- Name -> Maybe Module
nameModule_maybe Name
name
= QualifyName -> Bool
qual_in_scope (PprStyle -> QueryQualifyName
qualName PprStyle
sty Module
mod (Name -> OccName
nameOccName Name
name))
| Bool
otherwise
= Bool
True
qual_in_scope :: QualifyName -> Bool
qual_in_scope :: QualifyName -> Bool
qual_in_scope QualifyName
NameUnqual = Bool
True
qual_in_scope (NameQual {}) = Bool
True
qual_in_scope QualifyName
_ = Bool
False
not_in_scopes :: Int
not_in_scopes :: Arity
not_in_scopes = [ClsInst] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [ClsInst]
not_in_scope_matches Arity -> Arity -> Arity
forall a. Num a => a -> a -> a
+ [ClsInst] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [ClsInst]
not_in_scope_unifiers
not_in_scope_msg :: SDoc -> SDoc
not_in_scope_msg SDoc
herald =
SDoc -> Arity -> SDoc -> SDoc
hang (SDoc
herald SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc -> SDoc
speakNOf Arity
not_in_scopes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"instance")
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"involving out-of-scope types")
Arity
2 (Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen Bool
show_all_potentials (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
(ClsInst -> SDoc) -> PotentialInstances -> SDoc
pprPotentialInstances
ClsInst -> SDoc
pprInstanceHdr
(PotentialInstances
{ matches :: [ClsInst]
matches = [ClsInst]
not_in_scope_matches
, unifiers :: [ClsInst]
unifiers = [ClsInst]
not_in_scope_unifiers
}))
flag_hint :: SDoc
flag_hint = Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppUnless (Bool
show_all_potentials
Bool -> Bool -> Bool
|| ([ClsInst] -> [ClsInst] -> Bool
forall a b. [a] -> [b] -> Bool
equalLength [ClsInst]
show_these_matches [ClsInst]
matches
Bool -> Bool -> Bool
&& [ClsInst] -> [ClsInst] -> Bool
forall a b. [a] -> [b] -> Bool
equalLength [ClsInst]
show_these_unifiers [ClsInst]
unifiers)) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(use -fprint-potential-instances to see them all)"
overlapping_but_not_more_specific_msg :: [ClsInst] -> SDoc
overlapping_but_not_more_specific_msg :: [ClsInst] -> SDoc
overlapping_but_not_more_specific_msg [ClsInst]
insts
| (ClsInst, ClsInst)
overlap : [(ClsInst, ClsInst)]
_ <- [(ClsInst, ClsInst)]
overlapping_but_not_more_specific
= SDoc
overlap_header SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ (ClsInst, ClsInst) -> SDoc
ppr_overlapping (ClsInst, ClsInst)
overlap
| Bool
otherwise
= SDoc
forall doc. IsOutput doc => doc
empty
where
overlap_header :: SDoc
overlap_header :: SDoc
overlap_header
| [(ClsInst, ClsInst)
_] <- [(ClsInst, ClsInst)]
overlapping_but_not_more_specific
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"An overlapping instance can only be chosen when it is strictly more specific."
| Bool
otherwise
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Overlapping instances can only be chosen when they are strictly more specific."
overlapping_but_not_more_specific :: [(ClsInst, ClsInst)]
overlapping_but_not_more_specific :: [(ClsInst, ClsInst)]
overlapping_but_not_more_specific
= ((ClsInst, ClsInst) -> (ClsInst, ClsInst) -> Ordering)
-> [(ClsInst, ClsInst)] -> [(ClsInst, ClsInst)]
forall a. (a -> a -> Ordering) -> [a] -> [a]
nubOrdBy (((ClsInst, ClsInst) -> TyVar)
-> (ClsInst, ClsInst) -> (ClsInst, ClsInst) -> Ordering
forall a b. Ord a => (b -> a) -> b -> b -> Ordering
comparing (ClsInst -> TyVar
is_dfun (ClsInst -> TyVar)
-> ((ClsInst, ClsInst) -> ClsInst) -> (ClsInst, ClsInst) -> TyVar
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (ClsInst, ClsInst) -> ClsInst
forall a b. (a, b) -> a
fst))
[ (ClsInst
overlapper, ClsInst
overlappee)
| [ClsInst]
these <- (ClsInst -> ClsInst -> Bool) -> [ClsInst] -> [[ClsInst]]
forall a. (a -> a -> Bool) -> [a] -> [[a]]
groupBy (Name -> Name -> Bool
forall a. Eq a => a -> a -> Bool
(==) (Name -> Name -> Bool)
-> (ClsInst -> Name) -> ClsInst -> ClsInst -> Bool
forall b c a. (b -> b -> c) -> (a -> b) -> a -> a -> c
`on` ClsInst -> Name
is_cls_nm) [ClsInst]
insts
, ClsInst
one:[ClsInst]
others <- [ClsInst] -> [[ClsInst]]
forall a. [a] -> [[a]]
tails [ClsInst]
these
, ClsInst
other <- [ClsInst]
others
, let mb_overlapping :: [(ClsInst, ClsInst)]
mb_overlapping
| OverlapMode -> Bool
hasOverlappingFlag (OverlapFlag -> OverlapMode
overlapMode (OverlapFlag -> OverlapMode) -> OverlapFlag -> OverlapMode
forall a b. (a -> b) -> a -> b
$ ClsInst -> OverlapFlag
is_flag ClsInst
one)
Bool -> Bool -> Bool
|| OverlapMode -> Bool
hasOverlappableFlag (OverlapFlag -> OverlapMode
overlapMode (OverlapFlag -> OverlapMode) -> OverlapFlag -> OverlapMode
forall a b. (a -> b) -> a -> b
$ ClsInst -> OverlapFlag
is_flag ClsInst
other)
= [(ClsInst
one, ClsInst
other)]
| OverlapMode -> Bool
hasOverlappingFlag (OverlapFlag -> OverlapMode
overlapMode (OverlapFlag -> OverlapMode) -> OverlapFlag -> OverlapMode
forall a b. (a -> b) -> a -> b
$ ClsInst -> OverlapFlag
is_flag ClsInst
other)
Bool -> Bool -> Bool
|| OverlapMode -> Bool
hasOverlappableFlag (OverlapFlag -> OverlapMode
overlapMode (OverlapFlag -> OverlapMode) -> OverlapFlag -> OverlapMode
forall a b. (a -> b) -> a -> b
$ ClsInst -> OverlapFlag
is_flag ClsInst
one)
= [(ClsInst
other, ClsInst
one)]
| Bool
otherwise
= []
, (ClsInst
overlapper, ClsInst
overlappee) <- [(ClsInst, ClsInst)]
mb_overlapping
, Bool -> Bool
not (ClsInst
overlapper ClsInst -> ClsInst -> Bool
`more_specific_than` ClsInst
overlappee)
]
more_specific_than :: ClsInst -> ClsInst -> Bool
ClsInst
is1 more_specific_than :: ClsInst -> ClsInst -> Bool
`more_specific_than` ClsInst
is2
= Maybe Subst -> Bool
forall a. Maybe a -> Bool
isJust ([Type] -> [Type] -> Maybe Subst
tcMatchTys (ClsInst -> [Type]
is_tys ClsInst
is1) (ClsInst -> [Type]
is_tys ClsInst
is2))
ppr_overlapping :: (ClsInst, ClsInst) -> SDoc
ppr_overlapping :: (ClsInst, ClsInst) -> SDoc
ppr_overlapping (ClsInst
overlapper, ClsInst
overlappee)
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The first instance that follows overlaps the second, but is not more specific than it:"
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (ClsInst -> SDoc) -> [ClsInst] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ClsInst -> SDoc
pprInstanceHdr [ClsInst
overlapper, ClsInst
overlappee])
pprExpectedActualInfo :: SolverReportErrCtxt -> ExpectedActualInfo -> SDoc
pprExpectedActualInfo :: SolverReportErrCtxt -> ExpectedActualInfo -> SDoc
pprExpectedActualInfo SolverReportErrCtxt
_ (ExpectedActual { ea_expected :: ExpectedActualInfo -> Type
ea_expected = Type
exp, ea_actual :: ExpectedActualInfo -> Type
ea_actual = Type
act }) =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
exp
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" Actual:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
act ]
pprExpectedActualInfo SolverReportErrCtxt
_
(ExpectedActualAfterTySynExpansion
{ ea_expanded_expected :: ExpectedActualInfo -> Type
ea_expanded_expected = Type
exp
, ea_expanded_actual :: ExpectedActualInfo -> Type
ea_expanded_actual = Type
act } )
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type synonyms expanded:"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected type:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
exp
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" Actual type:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
act ]
pprCoercibleMsg :: CoercibleMsg -> SDoc
pprCoercibleMsg :: CoercibleMsg -> SDoc
pprCoercibleMsg (UnknownRoles Type
ty) =
SDoc -> SDoc
note (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc
"We cannot know what roles the parameters to" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"have;" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
SDoc
"we must assume that the role is nominal"
pprCoercibleMsg (TyConIsAbstract TyCon
tc) =
SDoc -> SDoc
note (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc
"The type constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
pprSourceTyCon TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"is abstract"
pprCoercibleMsg (OutOfScopeNewtypeConstructor TyCon
tc DataCon
dc) =
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The data constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SDoc) -> Name -> SDoc
forall a b. (a -> b) -> a -> b
$ DataCon -> Name
dataConName DataCon
dc))
Arity
2 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of newtype" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
pprSourceTyCon TyCon
tc)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not in scope" ])
pprWhenMatching :: SolverReportErrCtxt -> WhenMatching -> SDoc
pprWhenMatching :: SolverReportErrCtxt -> WhenMatching -> SDoc
pprWhenMatching SolverReportErrCtxt
ctxt (WhenMatching Type
cty1 Type
cty2 CtOrigin
sub_o Maybe TypeOrKind
mb_sub_t_or_k) =
(SDocContext -> Bool) -> (Bool -> SDoc) -> SDoc
forall a. (SDocContext -> a) -> (a -> SDoc) -> SDoc
sdocOption SDocContext -> Bool
sdocPrintExplicitCoercions ((Bool -> SDoc) -> SDoc) -> (Bool -> SDoc) -> SDoc
forall a b. (a -> b) -> a -> b
$ \Bool
printExplicitCoercions ->
if Bool
printExplicitCoercions
Bool -> Bool -> Bool
|| Bool -> Bool
not (Type
cty1 Type -> Type -> Bool
`pickyEqType` Type
cty2)
then [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"When matching" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
sub_whats)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
cty1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (HasDebugCallStack => Type -> Type
Type -> Type
typeKind Type
cty1)
, Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
cty2 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (HasDebugCallStack => Type -> Type
Type -> Type
typeKind Type
cty2) ])
, SDoc
supplementary ]
else [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"When matching the kind of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
cty1)
where
sub_t_or_k :: TypeOrKind
sub_t_or_k = Maybe TypeOrKind
mb_sub_t_or_k Maybe TypeOrKind -> TypeOrKind -> TypeOrKind
forall a. Maybe a -> a -> a
`orElse` TypeOrKind
TypeLevel
sub_whats :: SDoc
sub_whats = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (TypeOrKind -> [Char]
levelString TypeOrKind
sub_t_or_k) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
's'
supplementary :: SDoc
supplementary =
case SolverReportErrCtxt
-> TypeOrKind
-> Type
-> Type
-> CtOrigin
-> Either [ExpectedActualInfo] MismatchMsg
mk_supplementary_ea_msg SolverReportErrCtxt
ctxt TypeOrKind
sub_t_or_k Type
cty1 Type
cty2 CtOrigin
sub_o of
Left [ExpectedActualInfo]
infos -> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (ExpectedActualInfo -> SDoc) -> [ExpectedActualInfo] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SolverReportErrCtxt -> ExpectedActualInfo -> SDoc
pprExpectedActualInfo SolverReportErrCtxt
ctxt) [ExpectedActualInfo]
infos
Right MismatchMsg
msg -> SolverReportErrCtxt -> MismatchMsg -> SDoc
pprMismatchMsg SolverReportErrCtxt
ctxt MismatchMsg
msg
pprTyVarInfo :: SolverReportErrCtxt -> TyVarInfo -> SDoc
pprTyVarInfo :: SolverReportErrCtxt -> TyVarInfo -> SDoc
pprTyVarInfo SolverReportErrCtxt
ctxt (TyVarInfo { thisTyVar :: TyVarInfo -> TyVar
thisTyVar = TyVar
tv1, otherTy :: TyVarInfo -> Maybe TyVar
otherTy = Maybe TyVar
mb_tv2, thisTyVarIsUntouchable :: TyVarInfo -> Maybe Implication
thisTyVarIsUntouchable = Maybe Implication
mb_implic })
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ TyVar -> SDoc
mk_msg TyVar
tv1
, SDoc -> (Implication -> SDoc) -> Maybe Implication -> SDoc
forall b a. b -> (a -> b) -> Maybe a -> b
maybe SDoc
forall doc. IsOutput doc => doc
empty (TyVar -> Implication -> SDoc
pprUntouchableVariable TyVar
tv1) Maybe Implication
mb_implic
, case Maybe TyVar
mb_tv2 of { Maybe TyVar
Nothing -> SDoc
forall doc. IsOutput doc => doc
empty; Just TyVar
tv2 -> TyVar -> SDoc
mk_msg TyVar
tv2 } ]
where
mk_msg :: TyVar -> SDoc
mk_msg TyVar
tv = case TyVar -> TcTyVarDetails
tcTyVarDetails TyVar
tv of
SkolemTv SkolemInfo
sk_info TcLevel
_ Bool
_ -> SolverReportErrCtxt -> [(SkolemInfoAnon, [TyVar])] -> SDoc
pprSkols SolverReportErrCtxt
ctxt [(SkolemInfo -> SkolemInfoAnon
getSkolemInfo SkolemInfo
sk_info, [TyVar
tv])]
RuntimeUnk {} -> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tv) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is an interactive-debugger skolem"
MetaTv {} -> SDoc
forall doc. IsOutput doc => doc
empty
pprAmbiguityInfo :: AmbiguityInfo -> SDoc
pprAmbiguityInfo :: AmbiguityInfo -> SDoc
pprAmbiguityInfo (Ambiguity Bool
prepend_msg ([TyVar]
ambig_kvs, [TyVar]
ambig_tvs)) = SDoc
msg
where
msg :: SDoc
msg | (TyVar -> Bool) -> [TyVar] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any TyVar -> Bool
isRuntimeUnkSkol [TyVar]
ambig_kvs
Bool -> Bool -> Bool
|| (TyVar -> Bool) -> [TyVar] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any TyVar -> Bool
isRuntimeUnkSkol [TyVar]
ambig_tvs
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot resolve unknown runtime type"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
ambig_tvs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
ambig_tvs
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Use :print or :force to determine these types"]
| Bool -> Bool
not ([TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
ambig_tvs)
= SDoc -> [TyVar] -> SDoc
pp_ambig ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type") [TyVar]
ambig_tvs
| Bool
otherwise
= SDoc -> [TyVar] -> SDoc
pp_ambig ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"kind") [TyVar]
ambig_kvs
pp_ambig :: SDoc -> [TyVar] -> SDoc
pp_ambig SDoc
what [TyVar]
tkvs
| Bool
prepend_msg
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ambiguous" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"variable"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
tkvs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
tkvs
| Bool
otherwise
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
tkvs
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
tkvs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. [a] -> SDoc
isOrAre [TyVar]
tkvs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"ambiguous"
pprAmbiguityInfo (NonInjectiveTyFam TyCon
tc) =
SDoc -> SDoc
note (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is a non-injective type family"
pprSameOccInfo :: SameOccInfo -> SDoc
pprSameOccInfo :: SameOccInfo -> SDoc
pprSameOccInfo (SameOcc Bool
same_pkg Name
n1 Name
n2) =
SDoc -> SDoc
note (Bool -> Name -> SDoc
ppr_from Bool
same_pkg Name
n1 SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ Bool -> Name -> SDoc
ppr_from Bool
same_pkg Name
n2)
where
ppr_from :: Bool -> Name -> SDoc
ppr_from Bool
same_pkg Name
nm
| SrcSpan -> Bool
isGoodSrcSpan SrcSpan
loc
= SDoc -> Arity -> SDoc -> SDoc
hang (SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
nm) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is defined at")
Arity
2 (SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr SrcSpan
loc)
| Bool
otherwise
= SDoc -> Arity -> SDoc -> SDoc
hang (SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
nm))
Arity
2 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is defined in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Module -> ModuleName
forall unit. GenModule unit -> ModuleName
moduleName Module
mod))
, Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppUnless (Bool
same_pkg Bool -> Bool -> Bool
|| Unit
pkg Unit -> Unit -> Bool
forall a. Eq a => a -> a -> Bool
== Unit
mainUnit) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
Arity -> SDoc -> SDoc
nest Arity
4 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in package" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Unit -> SDoc
forall a. Outputable a => a -> SDoc
ppr Unit
pkg) ])
where
pkg :: Unit
pkg = Module -> Unit
forall unit. GenModule unit -> unit
moduleUnit Module
mod
mod :: Module
mod = HasDebugCallStack => Name -> Module
Name -> Module
nameModule Name
nm
loc :: SrcSpan
loc = Name -> SrcSpan
nameSrcSpan Name
nm
pprHoleError :: SolverReportErrCtxt -> Hole -> HoleError -> SDoc
pprHoleError :: SolverReportErrCtxt -> Hole -> HoleError -> SDoc
pprHoleError SolverReportErrCtxt
_ (Hole { Type
hole_ty :: Type
hole_ty :: Hole -> Type
hole_ty, hole_occ :: Hole -> RdrName
hole_occ = RdrName
rdr }) (OutOfScopeHole [ImportError]
imp_errs [GhcHint]
_hints)
= SDoc
out_of_scope_msg SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((ImportError -> SDoc) -> [ImportError] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ImportError -> SDoc
forall a. Outputable a => a -> SDoc
ppr [ImportError]
imp_errs)
where
herald :: SDoc
herald | OccName -> Bool
isDataOcc (RdrName -> OccName
rdrNameOcc RdrName
rdr) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Data constructor not in scope:"
| Bool
otherwise = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Variable not in scope:"
out_of_scope_msg :: SDoc
out_of_scope_msg
| Bool
boring_type = SDoc -> Arity -> SDoc -> SDoc
hang SDoc
herald Arity
2 (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr)
| Bool
otherwise = SDoc -> Arity -> SDoc -> SDoc
hang SDoc
herald Arity
2 (RdrName -> Type -> SDoc
pp_rdr_with_type RdrName
rdr Type
hole_ty)
boring_type :: Bool
boring_type = Type -> Bool
isTyVarTy Type
hole_ty
pprHoleError SolverReportErrCtxt
ctxt (Hole { Type
hole_ty :: Hole -> Type
hole_ty :: Type
hole_ty, RdrName
hole_occ :: Hole -> RdrName
hole_occ :: RdrName
hole_occ}) (HoleError HoleSort
sort [TyVar]
other_tvs [(SkolemInfoAnon, [TyVar])]
hole_skol_info) =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
hole_msg
, SDoc
tyvars_msg
, case HoleSort
sort of { ExprHole {} -> SDoc
expr_hole_hint; HoleSort
_ -> SDoc
type_hole_hint } ]
where
hole_msg :: SDoc
hole_msg = case HoleSort
sort of
ExprHole {} ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Found hole:")
Arity
2 (RdrName -> Type -> SDoc
pp_rdr_with_type RdrName
hole_occ Type
hole_ty)
HoleSort
TypeHole ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Found type wildcard" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
hole_occ))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"standing for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
pp_hole_type_with_kind)
HoleSort
ConstraintHole ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Found extra-constraints wildcard standing for")
Arity
2 (SDoc -> SDoc
quotes (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ Type -> SDoc
pprType Type
hole_ty)
hole_kind :: Type
hole_kind = HasDebugCallStack => Type -> Type
Type -> Type
typeKind Type
hole_ty
pp_hole_type_with_kind :: SDoc
pp_hole_type_with_kind
| Type -> Bool
isLiftedTypeKind Type
hole_kind
Bool -> Bool -> Bool
|| Type -> Bool
isCoVarType Type
hole_ty
= Type -> SDoc
pprType Type
hole_ty
| Bool
otherwise
= Type -> SDoc
pprType Type
hole_ty SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprKind Type
hole_kind
tyvars :: [TyVar]
tyvars = Type -> [TyVar]
tyCoVarsOfTypeList Type
hole_ty
tyvars_msg :: SDoc
tyvars_msg = Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppUnless ([TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
tyvars) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Where:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((TyVar -> SDoc) -> [TyVar] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map TyVar -> SDoc
loc_msg [TyVar]
other_tvs)
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SolverReportErrCtxt -> [(SkolemInfoAnon, [TyVar])] -> SDoc
pprSkols SolverReportErrCtxt
ctxt [(SkolemInfoAnon, [TyVar])]
hole_skol_info)
expr_hole_hint :: SDoc
expr_hole_hint
| FastString -> Arity
lengthFS (OccName -> FastString
occNameFS (RdrName -> OccName
rdrNameOcc RdrName
hole_occ)) Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
> Arity
1
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Or perhaps" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
hole_occ)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is mis-spelled, or not in scope"
| Bool
otherwise
= SDoc
forall doc. IsOutput doc => doc
empty
type_hole_hint :: SDoc
type_hole_hint
| DiagnosticReason
ErrorWithoutFlag <- SolverReportErrCtxt -> DiagnosticReason
cec_type_holes SolverReportErrCtxt
ctxt
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"To use the inferred type, enable PartialTypeSignatures"
| Bool
otherwise
= SDoc
forall doc. IsOutput doc => doc
empty
loc_msg :: TyVar -> SDoc
loc_msg TyVar
tv
| TyVar -> Bool
isTyVar TyVar
tv
= case TyVar -> TcTyVarDetails
tcTyVarDetails TyVar
tv of
MetaTv {} -> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tv) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is an ambiguous type variable"
TcTyVarDetails
_ -> SDoc
forall doc. IsOutput doc => doc
empty
| Bool
otherwise
= (SDocContext -> Bool) -> SDoc -> SDoc
ppWhenOption SDocContext -> Bool
sdocPrintExplicitCoercions (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tv) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is a coercion variable"
pp_rdr_with_type :: RdrName -> Type -> SDoc
pp_rdr_with_type :: RdrName -> Type -> SDoc
pp_rdr_with_type RdrName
occ Type
hole_ty = SDoc -> Arity -> SDoc -> SDoc
hang (RdrName -> SDoc
forall a. OutputableBndr a => a -> SDoc
pprPrefixOcc RdrName
occ) Arity
2 (SDoc
dcolon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprType Type
hole_ty)
pprScopeError :: RdrName -> NotInScopeError -> SDoc
pprScopeError :: RdrName -> NotInScopeError -> SDoc
pprScopeError RdrName
rdr_name NotInScopeError
scope_err =
case NotInScopeError
scope_err of
NotInScopeError
NotInScope ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Not in scope:")
Arity
2 (SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name))
NotInScopeError
NotARecordField ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Not in scope:")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"record field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name))
NoExactName Name
name ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The Name" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not in scope."
SameName [GlobalRdrElt]
gres ->
Bool -> SDoc -> SDoc -> SDoc
forall a. HasCallStack => Bool -> SDoc -> a -> a
assertPpr ([GlobalRdrElt] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [GlobalRdrElt]
gres Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
>= Arity
2) ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"pprScopeError SameName: fewer than 2 elements" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ Arity -> SDoc -> SDoc
nest Arity
2 ([GlobalRdrElt] -> SDoc
forall a. Outputable a => a -> SDoc
ppr [GlobalRdrElt]
gres))
(SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Same Name in multiple name-spaces:")
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((Name -> SDoc) -> [Name] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map Name -> SDoc
pp_one [Name]
sorted_names))
where
sorted_names :: [Name]
sorted_names = (Name -> Name -> Ordering) -> [Name] -> [Name]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy (SrcSpan -> SrcSpan -> Ordering
leftmost_smallest (SrcSpan -> SrcSpan -> Ordering)
-> (Name -> SrcSpan) -> Name -> Name -> Ordering
forall b c a. (b -> b -> c) -> (a -> b) -> a -> a -> c
`on` Name -> SrcSpan
nameSrcSpan)
([Name] -> [Name]) -> [Name] -> [Name]
forall a b. (a -> b) -> a -> b
$ (GlobalRdrElt -> Name) -> [GlobalRdrElt] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map GlobalRdrElt -> Name
forall info. GlobalRdrEltX info -> Name
greName [GlobalRdrElt]
gres
pp_one :: Name -> SDoc
pp_one Name
name
= SDoc -> Arity -> SDoc -> SDoc
hang (NameSpace -> SDoc
pprNameSpace (OccName -> NameSpace
occNameSpace (Name -> OccName
forall a. NamedThing a => a -> OccName
getOccName Name
name))
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma)
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"declared at:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcLoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SrcLoc
nameSrcLoc Name
name))
MissingBinding SDoc
thing [GhcHint]
_ ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
thing
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name)
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"lacks an accompanying binding" ]
NotInScopeError
NoTopLevelBinding ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No top-level binding for")
Arity
2 (SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in this module")
UnknownSubordinate SDoc
doc ->
SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a (visible)" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
doc
NotInScopeTc NameEnv TcTyThing
env ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat[[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GHC internal error:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr_name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not in scope during type checking, but it passed the renamer",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"tcl_env of environment:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> NameEnv TcTyThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr NameEnv TcTyThing
env]
where
what :: SDoc
what = NameSpace -> SDoc
pprNonVarNameSpace (OccName -> NameSpace
occNameSpace (RdrName -> OccName
rdrNameOcc RdrName
rdr_name))
scopeErrorHints :: NotInScopeError -> [GhcHint]
scopeErrorHints :: NotInScopeError -> [GhcHint]
scopeErrorHints NotInScopeError
scope_err =
case NotInScopeError
scope_err of
NotInScopeError
NotInScope -> [GhcHint]
noHints
NotInScopeError
NotARecordField -> [GhcHint]
noHints
NoExactName {} -> [GhcHint
SuggestDumpSlices]
SameName {} -> [GhcHint
SuggestDumpSlices]
MissingBinding SDoc
_ [GhcHint]
hints -> [GhcHint]
hints
NotInScopeError
NoTopLevelBinding -> [GhcHint]
noHints
UnknownSubordinate {} -> [GhcHint]
noHints
NotInScopeTc NameEnv TcTyThing
_ -> [GhcHint]
noHints
tcSolverReportMsgHints :: SolverReportErrCtxt -> TcSolverReportMsg -> [GhcHint]
tcSolverReportMsgHints :: SolverReportErrCtxt -> TcSolverReportMsg -> [GhcHint]
tcSolverReportMsgHints SolverReportErrCtxt
ctxt = \case
BadTelescope {}
-> [GhcHint]
noHints
UserTypeError {}
-> [GhcHint]
noHints
UnsatisfiableError {}
-> [GhcHint]
noHints
ReportHoleError Hole
hole HoleError
err
-> Hole -> HoleError -> [GhcHint]
holeErrorHints Hole
hole HoleError
err
CannotUnifyVariable MismatchMsg
mismatch_msg CannotUnifyVariableReason
rea
-> SolverReportErrCtxt -> MismatchMsg -> [GhcHint]
mismatchMsgHints SolverReportErrCtxt
ctxt MismatchMsg
mismatch_msg [GhcHint] -> [GhcHint] -> [GhcHint]
forall a. [a] -> [a] -> [a]
++ CannotUnifyVariableReason -> [GhcHint]
cannotUnifyVariableHints CannotUnifyVariableReason
rea
Mismatch { mismatchMsg :: TcSolverReportMsg -> MismatchMsg
mismatchMsg = MismatchMsg
mismatch_msg }
-> SolverReportErrCtxt -> MismatchMsg -> [GhcHint]
mismatchMsgHints SolverReportErrCtxt
ctxt MismatchMsg
mismatch_msg
FixedRuntimeRepError {}
-> [GhcHint]
noHints
BlockedEquality {}
-> [GhcHint]
noHints
ExpectingMoreArguments {}
-> [GhcHint]
noHints
UnboundImplicitParams {}
-> [GhcHint]
noHints
AmbiguityPreventsSolvingCt {}
-> [GhcHint]
noHints
CannotResolveInstance {}
-> [GhcHint]
noHints
OverlappingInstances {}
-> [GhcHint]
noHints
UnsafeOverlap {}
-> [GhcHint]
noHints
MultiplicityCoercionsNotSupported {}
-> [GhcHint]
noHints
mismatchMsgHints :: SolverReportErrCtxt -> MismatchMsg -> [GhcHint]
mismatchMsgHints :: SolverReportErrCtxt -> MismatchMsg -> [GhcHint]
mismatchMsgHints SolverReportErrCtxt
ctxt MismatchMsg
msg =
Maybe GhcHint -> [GhcHint]
forall a. Maybe a -> [a]
maybeToList [ GhcHint
hint | (Type
exp,Type
act) <- MismatchMsg -> Maybe (Type, Type)
mismatchMsg_ExpectedActuals MismatchMsg
msg
, GhcHint
hint <- SolverReportErrCtxt -> Type -> Type -> Maybe GhcHint
suggestAddSig SolverReportErrCtxt
ctxt Type
exp Type
act ]
mismatchMsg_ExpectedActuals :: MismatchMsg -> Maybe (Type, Type)
mismatchMsg_ExpectedActuals :: MismatchMsg -> Maybe (Type, Type)
mismatchMsg_ExpectedActuals = \case
BasicMismatch { mismatch_ty1 :: MismatchMsg -> Type
mismatch_ty1 = Type
exp, mismatch_ty2 :: MismatchMsg -> Type
mismatch_ty2 = Type
act } ->
(Type, Type) -> Maybe (Type, Type)
forall a. a -> Maybe a
Just (Type
exp, Type
act)
KindMismatch { kmismatch_expected :: MismatchMsg -> Type
kmismatch_expected = Type
exp, kmismatch_actual :: MismatchMsg -> Type
kmismatch_actual = Type
act } ->
(Type, Type) -> Maybe (Type, Type)
forall a. a -> Maybe a
Just (Type
exp, Type
act)
TypeEqMismatch { teq_mismatch_expected :: MismatchMsg -> Type
teq_mismatch_expected = Type
exp, teq_mismatch_actual :: MismatchMsg -> Type
teq_mismatch_actual = Type
act } ->
(Type, Type) -> Maybe (Type, Type)
forall a. a -> Maybe a
Just (Type
exp,Type
act)
CouldNotDeduce { cnd_extra :: MismatchMsg -> Maybe CND_Extra
cnd_extra = Maybe CND_Extra
cnd_extra }
| Just (CND_Extra TypeOrKind
_ Type
exp Type
act) <- Maybe CND_Extra
cnd_extra
-> (Type, Type) -> Maybe (Type, Type)
forall a. a -> Maybe a
Just (Type
exp, Type
act)
| Bool
otherwise
-> Maybe (Type, Type)
forall a. Maybe a
Nothing
holeErrorHints :: Hole -> HoleError -> [GhcHint]
holeErrorHints :: Hole -> HoleError -> [GhcHint]
holeErrorHints Hole
_hole = \case
OutOfScopeHole [ImportError]
_ [GhcHint]
hints
-> [GhcHint]
hints
HoleError {}
-> [GhcHint]
noHints
cannotUnifyVariableHints :: CannotUnifyVariableReason -> [GhcHint]
cannotUnifyVariableHints :: CannotUnifyVariableReason -> [GhcHint]
cannotUnifyVariableHints = \case
CannotUnifyWithPolytype {}
-> [GhcHint]
noHints
OccursCheck {}
-> [GhcHint]
noHints
SkolemEscape {}
-> [GhcHint]
noHints
DifferentTyVars {}
-> [GhcHint]
noHints
RepresentationalEq {}
-> [GhcHint]
noHints
suggestAddSig :: SolverReportErrCtxt -> TcType -> TcType -> Maybe GhcHint
suggestAddSig :: SolverReportErrCtxt -> Type -> Type -> Maybe GhcHint
suggestAddSig SolverReportErrCtxt
ctxt Type
ty1 Type
_ty2
| Name
bndr : [Name]
bndrs <- [Name]
inferred_bndrs
= GhcHint -> Maybe GhcHint
forall a. a -> Maybe a
Just (GhcHint -> Maybe GhcHint) -> GhcHint -> Maybe GhcHint
forall a b. (a -> b) -> a -> b
$ AvailableBindings -> GhcHint
SuggestAddTypeSignatures (AvailableBindings -> GhcHint) -> AvailableBindings -> GhcHint
forall a b. (a -> b) -> a -> b
$ NonEmpty Name -> AvailableBindings
NamedBindings (Name
bndr Name -> [Name] -> NonEmpty Name
forall a. a -> [a] -> NonEmpty a
:| [Name]
bndrs)
| Bool
otherwise
= Maybe GhcHint
forall a. Maybe a
Nothing
where
inferred_bndrs :: [Name]
inferred_bndrs =
case Type -> Maybe TyVar
getTyVar_maybe Type
ty1 of
Just TyVar
tv | TyVar -> Bool
isSkolemTyVar TyVar
tv -> [Implication] -> Bool -> TyVar -> [Name]
find (SolverReportErrCtxt -> [Implication]
cec_encl SolverReportErrCtxt
ctxt) Bool
False TyVar
tv
Maybe TyVar
_ -> []
find :: [Implication] -> Bool -> TyVar -> [Name]
find [] Bool
_ TyVar
_ = []
find (Implication
implic:[Implication]
implics) Bool
seen_eqs TyVar
tv
| TyVar
tv TyVar -> [TyVar] -> Bool
forall a. Eq a => a -> [a] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` Implication -> [TyVar]
ic_skols Implication
implic
, InferSkol [(Name, Type)]
prs <- Implication -> SkolemInfoAnon
ic_info Implication
implic
, Bool
seen_eqs
= ((Name, Type) -> Name) -> [(Name, Type)] -> [Name]
forall a b. (a -> b) -> [a] -> [b]
map (Name, Type) -> Name
forall a b. (a, b) -> a
fst [(Name, Type)]
prs
| Bool
otherwise
= [Implication] -> Bool -> TyVar -> [Name]
find [Implication]
implics (Bool
seen_eqs Bool -> Bool -> Bool
|| Implication -> HasGivenEqs
ic_given_eqs Implication
implic HasGivenEqs -> HasGivenEqs -> Bool
forall a. Eq a => a -> a -> Bool
/= HasGivenEqs
NoGivenEqs) TyVar
tv
instance Outputable ImportError where
ppr :: ImportError -> SDoc
ppr ImportError
err = SDoc -> SDoc
note (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ case ImportError
err of
MissingModule ModuleName
mod_name -> SDoc
"No module named" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
quoted ModuleName
mod_name SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"is imported"
ModulesDoNotExport NonEmpty Module
mods OccName
occ_name
| Module
mod NE.:| [] <- NonEmpty Module
mods -> SDoc
"The module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Module -> SDoc
forall a. Outputable a => a -> SDoc
quoted Module
mod SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"does not export" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> OccName -> SDoc
forall a. Outputable a => a -> SDoc
quoted OccName
occ_name
| Bool
otherwise -> SDoc
"Neither" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
quotedListWithNor ((Module -> SDoc) -> [Module] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map Module -> SDoc
forall a. Outputable a => a -> SDoc
ppr ([Module] -> [SDoc]) -> [Module] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ NonEmpty Module -> [Module]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty Module
mods) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"export" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> OccName -> SDoc
forall a. Outputable a => a -> SDoc
quoted OccName
occ_name
where
quoted :: Outputable a => a -> SDoc
quoted :: forall a. Outputable a => a -> SDoc
quoted = SDoc -> SDoc
quotes (SDoc -> SDoc) -> (a -> SDoc) -> a -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> SDoc
forall a. Outputable a => a -> SDoc
ppr
show_fixes :: [SDoc] -> SDoc
show_fixes :: [SDoc] -> SDoc
show_fixes [] = SDoc
forall doc. IsOutput doc => doc
empty
show_fixes (SDoc
f:[SDoc]
fs) = [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Possible fix:"
, Arity -> SDoc -> SDoc
nest Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat (SDoc
f SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: (SDoc -> SDoc) -> [SDoc] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>) [SDoc]
fs))]
ctxtFixes :: Bool -> PredType -> [Implication] -> [SDoc]
ctxtFixes :: Bool -> Type -> [Implication] -> [SDoc]
ctxtFixes Bool
has_ambig_tvs Type
pred [Implication]
implics
| Bool -> Bool
not Bool
has_ambig_tvs
, Type -> Bool
isTyVarClassPred Type
pred
, (SkolemInfoAnon
skol:[SkolemInfoAnon]
skols) <- [Implication] -> Type -> [SkolemInfoAnon]
usefulContext [Implication]
implics Type
pred
, let what :: SDoc
what | [SkolemInfoAnon] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [SkolemInfoAnon]
skols
, SigSkol (PatSynCtxt {}) Type
_ [(Name, TyVar)]
_ <- SkolemInfoAnon
skol
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"\"required\""
| Bool
otherwise
= SDoc
forall doc. IsOutput doc => doc
empty
= [[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"add" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
pprParendType Type
pred
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"context of"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SkolemInfoAnon -> SDoc
ppr_skol SkolemInfoAnon
skol SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SkolemInfoAnon -> SDoc
ppr_skol SkolemInfoAnon
skol
| SkolemInfoAnon
skol <- [SkolemInfoAnon]
skols ] ] ]
| Bool
otherwise = []
where
ppr_skol :: SkolemInfoAnon -> SDoc
ppr_skol (PatSkol (RealDataCon DataCon
dc) HsMatchContextRn
_) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the data constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (DataCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr DataCon
dc)
ppr_skol (PatSkol (PatSynCon PatSyn
ps) HsMatchContextRn
_) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the pattern synonym" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (PatSyn -> SDoc
forall a. Outputable a => a -> SDoc
ppr PatSyn
ps)
ppr_skol SkolemInfoAnon
skol_info = SkolemInfoAnon -> SDoc
forall a. Outputable a => a -> SDoc
ppr SkolemInfoAnon
skol_info
usefulContext :: [Implication] -> PredType -> [SkolemInfoAnon]
usefulContext :: [Implication] -> Type -> [SkolemInfoAnon]
usefulContext [Implication]
implics Type
pred
= [Implication] -> [SkolemInfoAnon]
go [Implication]
implics
where
pred_tvs :: VarSet
pred_tvs = Type -> VarSet
tyCoVarsOfType Type
pred
go :: [Implication] -> [SkolemInfoAnon]
go [] = []
go (Implication
ic : [Implication]
ics)
| Implication -> Bool
implausible Implication
ic = [SkolemInfoAnon]
rest
| Bool
otherwise = Implication -> SkolemInfoAnon
ic_info Implication
ic SkolemInfoAnon -> [SkolemInfoAnon] -> [SkolemInfoAnon]
forall a. a -> [a] -> [a]
: [SkolemInfoAnon]
rest
where
rest :: [SkolemInfoAnon]
rest | (TyVar -> Bool) -> [TyVar] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any (TyVar -> VarSet -> Bool
`elemVarSet` VarSet
pred_tvs) (Implication -> [TyVar]
ic_skols Implication
ic) = []
| Bool
otherwise = [Implication] -> [SkolemInfoAnon]
go [Implication]
ics
implausible :: Implication -> Bool
implausible Implication
ic
| [TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null (Implication -> [TyVar]
ic_skols Implication
ic) = Bool
True
| SkolemInfoAnon -> Bool
implausible_info (Implication -> SkolemInfoAnon
ic_info Implication
ic) = Bool
True
| Bool
otherwise = Bool
False
implausible_info :: SkolemInfoAnon -> Bool
implausible_info (SigSkol (InfSigCtxt {}) Type
_ [(Name, TyVar)]
_) = Bool
True
implausible_info SkolemInfoAnon
_ = Bool
False
pp_givens :: [Implication] -> [SDoc]
pp_givens :: [Implication] -> [SDoc]
pp_givens [Implication]
givens
= case [Implication]
givens of
[] -> []
(Implication
g:[Implication]
gs) -> SDoc -> Implication -> SDoc
ppr_given ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"from the context:") Implication
g
SDoc -> [SDoc] -> [SDoc]
forall a. a -> [a] -> [a]
: (Implication -> SDoc) -> [Implication] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SDoc -> Implication -> SDoc
ppr_given ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or from:")) [Implication]
gs
where
ppr_given :: SDoc -> Implication -> SDoc
ppr_given SDoc
herald implic :: Implication
implic@(Implic { ic_given :: Implication -> [TyVar]
ic_given = [TyVar]
gs, ic_info :: Implication -> SkolemInfoAnon
ic_info = SkolemInfoAnon
skol_info })
= SDoc -> Arity -> SDoc -> SDoc
hang (SDoc
herald SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
pprEvVarTheta ((TyVar -> Type) -> [TyVar] -> [TyVar]
forall a. (a -> Type) -> [a] -> [a]
mkMinimalBySCs TyVar -> Type
evVarPred [TyVar]
gs))
Arity
2 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound by" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SkolemInfoAnon -> SDoc
forall a. Outputable a => a -> SDoc
ppr SkolemInfoAnon
skol_info
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> RealSrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr (CtLocEnv -> RealSrcSpan
getCtLocEnvLoc (Implication -> CtLocEnv
ic_env Implication
implic)) ])
levelString :: TypeOrKind -> String
levelString :: TypeOrKind -> [Char]
levelString TypeOrKind
TypeLevel = [Char]
"type"
levelString TypeOrKind
KindLevel = [Char]
"kind"
pprArising :: CtLoc -> SDoc
pprArising :: CtLoc -> SDoc
pprArising CtLoc
ct_loc
| Bool
in_generated_code = SDoc
forall doc. IsOutput doc => doc
empty
| Bool
suppress_origin = SDoc
forall doc. IsOutput doc => doc
empty
| Bool
otherwise = CtOrigin -> SDoc
pprCtOrigin CtOrigin
orig
where
orig :: CtOrigin
orig = CtLoc -> CtOrigin
ctLocOrigin CtLoc
ct_loc
in_generated_code :: Bool
in_generated_code = CtLocEnv -> Bool
ctLocEnvInGeneratedCode (CtLoc -> CtLocEnv
ctLocEnv CtLoc
ct_loc)
suppress_origin :: Bool
suppress_origin
| CtOrigin -> Bool
isGivenOrigin CtOrigin
orig = Bool
True
| Bool
otherwise = case CtOrigin
orig of
TypeEqOrigin {} -> Bool
True
KindEqOrigin {} -> Bool
True
AmbiguityCheckOrigin {} -> Bool
True
CtOrigin
_ -> Bool
False
addArising :: CtLoc -> SDoc -> SDoc
addArising :: CtLoc -> SDoc -> SDoc
addArising CtLoc
ct_loc SDoc
msg = SDoc -> Arity -> SDoc -> SDoc
hang SDoc
msg Arity
2 (CtLoc -> SDoc
pprArising CtLoc
ct_loc)
pprWithArising :: [Ct] -> SDoc
pprWithArising :: [Ct] -> SDoc
pprWithArising []
= [Char] -> SDoc
forall a. HasCallStack => [Char] -> a
panic [Char]
"pprWithArising"
pprWithArising (Ct
ct:[Ct]
cts)
| [Ct] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Ct]
cts
= CtLoc -> SDoc -> SDoc
addArising CtLoc
loc ([Type] -> SDoc
pprTheta [Ct -> Type
ctPred Ct
ct])
| Bool
otherwise
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((Ct -> SDoc) -> [Ct] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map Ct -> SDoc
ppr_one (Ct
ctCt -> [Ct] -> [Ct]
forall a. a -> [a] -> [a]
:[Ct]
cts))
where
loc :: CtLoc
loc = Ct -> CtLoc
ctLoc Ct
ct
ppr_one :: Ct -> SDoc
ppr_one Ct
ct' = SDoc -> Arity -> SDoc -> SDoc
hang (SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (Type -> SDoc
pprType (Ct -> Type
ctPred Ct
ct')))
Arity
2 (CtLoc -> SDoc
pprCtLoc (Ct -> CtLoc
ctLoc Ct
ct'))
tidySkolemInfo :: TidyEnv -> SkolemInfo -> SkolemInfo
tidySkolemInfo :: TidyEnv -> SkolemInfo -> SkolemInfo
tidySkolemInfo TidyEnv
env (SkolemInfo Unique
u SkolemInfoAnon
sk_anon) = Unique -> SkolemInfoAnon -> SkolemInfo
SkolemInfo Unique
u (TidyEnv -> SkolemInfoAnon -> SkolemInfoAnon
tidySkolemInfoAnon TidyEnv
env SkolemInfoAnon
sk_anon)
tidySkolemInfoAnon :: TidyEnv -> SkolemInfoAnon -> SkolemInfoAnon
tidySkolemInfoAnon :: TidyEnv -> SkolemInfoAnon -> SkolemInfoAnon
tidySkolemInfoAnon TidyEnv
env (DerivSkol Type
ty) = Type -> SkolemInfoAnon
DerivSkol (TidyEnv -> Type -> Type
tidyType TidyEnv
env Type
ty)
tidySkolemInfoAnon TidyEnv
env (SigSkol UserTypeCtxt
cx Type
ty [(Name, TyVar)]
tv_prs) = TidyEnv
-> UserTypeCtxt -> Type -> [(Name, TyVar)] -> SkolemInfoAnon
tidySigSkol TidyEnv
env UserTypeCtxt
cx Type
ty [(Name, TyVar)]
tv_prs
tidySkolemInfoAnon TidyEnv
env (InferSkol [(Name, Type)]
ids) = [(Name, Type)] -> SkolemInfoAnon
InferSkol ((Type -> Type) -> [(Name, Type)] -> [(Name, Type)]
forall (f :: * -> *) b c a.
Functor f =>
(b -> c) -> f (a, b) -> f (a, c)
mapSnd (TidyEnv -> Type -> Type
tidyType TidyEnv
env) [(Name, Type)]
ids)
tidySkolemInfoAnon TidyEnv
env (UnifyForAllSkol Type
ty) = Type -> SkolemInfoAnon
UnifyForAllSkol (TidyEnv -> Type -> Type
tidyType TidyEnv
env Type
ty)
tidySkolemInfoAnon TidyEnv
_ SkolemInfoAnon
info = SkolemInfoAnon
info
tidySigSkol :: TidyEnv -> UserTypeCtxt
-> TcType -> [(Name,TcTyVar)] -> SkolemInfoAnon
tidySigSkol :: TidyEnv
-> UserTypeCtxt -> Type -> [(Name, TyVar)] -> SkolemInfoAnon
tidySigSkol TidyEnv
env UserTypeCtxt
cx Type
ty [(Name, TyVar)]
tv_prs
= UserTypeCtxt -> Type -> [(Name, TyVar)] -> SkolemInfoAnon
SigSkol UserTypeCtxt
cx (TidyEnv -> Type -> Type
tidy_ty TidyEnv
env Type
ty) [(Name, TyVar)]
tv_prs'
where
tv_prs' :: [(Name, TyVar)]
tv_prs' = (TyVar -> TyVar) -> [(Name, TyVar)] -> [(Name, TyVar)]
forall (f :: * -> *) b c a.
Functor f =>
(b -> c) -> f (a, b) -> f (a, c)
mapSnd (TidyEnv -> TyVar -> TyVar
tidyTyCoVarOcc TidyEnv
env) [(Name, TyVar)]
tv_prs
inst_env :: NameEnv TyVar
inst_env = [(Name, TyVar)] -> NameEnv TyVar
forall a. [(Name, a)] -> NameEnv a
mkNameEnv [(Name, TyVar)]
tv_prs'
tidy_ty :: TidyEnv -> Type -> Type
tidy_ty TidyEnv
env (ForAllTy (Bndr TyVar
tv ForAllTyFlag
vis) Type
ty)
= VarBndr TyVar ForAllTyFlag -> Type -> Type
ForAllTy (TyVar -> ForAllTyFlag -> VarBndr TyVar ForAllTyFlag
forall var argf. var -> argf -> VarBndr var argf
Bndr TyVar
tv' ForAllTyFlag
vis) (TidyEnv -> Type -> Type
tidy_ty TidyEnv
env' Type
ty)
where
(TidyEnv
env', TyVar
tv') = TidyEnv -> TyVar -> (TidyEnv, TyVar)
tidy_tv_bndr TidyEnv
env TyVar
tv
tidy_ty TidyEnv
env ty :: Type
ty@(FunTy { ft_mult :: Type -> Type
ft_mult = Type
w, ft_arg :: Type -> Type
ft_arg = Type
arg, ft_res :: Type -> Type
ft_res = Type
res })
=
Type
ty { ft_mult = tidy_ty env w
, ft_arg = tidyType env arg
, ft_res = tidy_ty env res }
tidy_ty TidyEnv
env Type
ty = TidyEnv -> Type -> Type
tidyType TidyEnv
env Type
ty
tidy_tv_bndr :: TidyEnv -> TyCoVar -> (TidyEnv, TyCoVar)
tidy_tv_bndr :: TidyEnv -> TyVar -> (TidyEnv, TyVar)
tidy_tv_bndr env :: TidyEnv
env@(TidyOccEnv
occ_env, VarEnv TyVar
subst) TyVar
tv
| Just TyVar
tv' <- NameEnv TyVar -> Name -> Maybe TyVar
forall a. NameEnv a -> Name -> Maybe a
lookupNameEnv NameEnv TyVar
inst_env (TyVar -> Name
tyVarName TyVar
tv)
= ((TidyOccEnv
occ_env, VarEnv TyVar -> TyVar -> TyVar -> VarEnv TyVar
forall a. VarEnv a -> TyVar -> a -> VarEnv a
extendVarEnv VarEnv TyVar
subst TyVar
tv TyVar
tv'), TyVar
tv')
| Bool
otherwise
= TidyEnv -> TyVar -> (TidyEnv, TyVar)
tidyVarBndr TidyEnv
env TyVar
tv
pprSkols :: SolverReportErrCtxt -> [(SkolemInfoAnon, [TcTyVar])] -> SDoc
pprSkols :: SolverReportErrCtxt -> [(SkolemInfoAnon, [TyVar])] -> SDoc
pprSkols SolverReportErrCtxt
ctxt [(SkolemInfoAnon, [TyVar])]
zonked_ty_vars
=
let tidy_ty_vars :: [(SkolemInfoAnon, [TyVar])]
tidy_ty_vars = ((SkolemInfoAnon, [TyVar]) -> (SkolemInfoAnon, [TyVar]))
-> [(SkolemInfoAnon, [TyVar])] -> [(SkolemInfoAnon, [TyVar])]
forall a b. (a -> b) -> [a] -> [b]
map ((SkolemInfoAnon -> SkolemInfoAnon)
-> ([TyVar] -> [TyVar])
-> (SkolemInfoAnon, [TyVar])
-> (SkolemInfoAnon, [TyVar])
forall a b c d. (a -> b) -> (c -> d) -> (a, c) -> (b, d)
forall (p :: * -> * -> *) a b c d.
Bifunctor p =>
(a -> b) -> (c -> d) -> p a c -> p b d
bimap (TidyEnv -> SkolemInfoAnon -> SkolemInfoAnon
tidySkolemInfoAnon (SolverReportErrCtxt -> TidyEnv
cec_tidy SolverReportErrCtxt
ctxt)) [TyVar] -> [TyVar]
forall a. a -> a
id) [(SkolemInfoAnon, [TyVar])]
zonked_ty_vars
in [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat (((SkolemInfoAnon, [TyVar]) -> SDoc)
-> [(SkolemInfoAnon, [TyVar])] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SkolemInfoAnon, [TyVar]) -> SDoc
pp_one [(SkolemInfoAnon, [TyVar])]
tidy_ty_vars)
where
no_msg :: SDoc
no_msg = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No skolem info - we could not find the origin of the following variables" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [(SkolemInfoAnon, [TyVar])] -> SDoc
forall a. Outputable a => a -> SDoc
ppr [(SkolemInfoAnon, [TyVar])]
zonked_ty_vars
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"This should not happen, please report it as a bug following the instructions at:"
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"https://gitlab.haskell.org/ghc/ghc/wikis/report-a-bug"
pp_one :: (SkolemInfoAnon, [TyVar]) -> SDoc
pp_one (UnkSkol CallStack
cs, [TyVar]
tvs)
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
tvs)
Arity
2 ([TyVar] -> [Char] -> [Char] -> SDoc
forall {doc} {a}. IsLine doc => [a] -> [Char] -> [Char] -> doc
is_or_are [TyVar]
tvs [Char]
"a" [Char]
"(rigid, skolem)")
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of unknown origin")
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr ([TyVar] -> SrcSpan
skolsSpan [TyVar]
tvs))
, SDoc
no_msg
, CallStack -> SDoc
prettyCallStackDoc CallStack
cs
]
pp_one (SkolemInfoAnon
RuntimeUnkSkol, [TyVar]
tvs)
= SDoc -> Arity -> SDoc -> SDoc
hang ([TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
tvs)
Arity
2 ([TyVar] -> [Char] -> [Char] -> SDoc
forall {doc} {a}. IsLine doc => [a] -> [Char] -> [Char] -> doc
is_or_are [TyVar]
tvs [Char]
"an" [Char]
"unknown runtime")
pp_one (SkolemInfoAnon
skol_info, [TyVar]
tvs)
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
tvs)
Arity
2 ([TyVar] -> [Char] -> [Char] -> SDoc
forall {doc} {a}. IsLine doc => [a] -> [Char] -> [Char] -> doc
is_or_are [TyVar]
tvs [Char]
"a" [Char]
"rigid" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound by")
, Arity -> SDoc -> SDoc
nest Arity
2 (SkolemInfoAnon -> SDoc
pprSkolInfo SkolemInfoAnon
skol_info)
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"at" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SrcSpan -> SDoc
forall a. Outputable a => a -> SDoc
ppr ([TyVar] -> SrcSpan
skolsSpan [TyVar]
tvs)) ]
is_or_are :: [a] -> [Char] -> [Char] -> doc
is_or_are [a
_] [Char]
article [Char]
adjective = [Char] -> doc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is" doc -> doc -> doc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> doc
forall doc. IsLine doc => [Char] -> doc
text [Char]
article doc -> doc -> doc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> doc
forall doc. IsLine doc => [Char] -> doc
text [Char]
adjective
doc -> doc -> doc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> doc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type variable"
is_or_are [a]
_ [Char]
_ [Char]
adjective = [Char] -> doc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"are" doc -> doc -> doc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> doc
forall doc. IsLine doc => [Char] -> doc
text [Char]
adjective
doc -> doc -> doc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> doc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type variables"
skolsSpan :: [TcTyVar] -> SrcSpan
skolsSpan :: [TyVar] -> SrcSpan
skolsSpan [TyVar]
skol_tvs = (SrcSpan -> SrcSpan -> SrcSpan) -> [SrcSpan] -> SrcSpan
forall a. (a -> a -> a) -> [a] -> a
forall (t :: * -> *) a. Foldable t => (a -> a -> a) -> t a -> a
foldr1 SrcSpan -> SrcSpan -> SrcSpan
combineSrcSpans ((TyVar -> SrcSpan) -> [TyVar] -> [SrcSpan]
forall a b. (a -> b) -> [a] -> [b]
map TyVar -> SrcSpan
forall a. NamedThing a => a -> SrcSpan
getSrcSpan [TyVar]
skol_tvs)
mk_supplementary_ea_msg :: SolverReportErrCtxt -> TypeOrKind
-> Type -> Type -> CtOrigin -> Either [ExpectedActualInfo] MismatchMsg
mk_supplementary_ea_msg :: SolverReportErrCtxt
-> TypeOrKind
-> Type
-> Type
-> CtOrigin
-> Either [ExpectedActualInfo] MismatchMsg
mk_supplementary_ea_msg SolverReportErrCtxt
ctxt TypeOrKind
level Type
ty1 Type
ty2 CtOrigin
orig
| TypeEqOrigin { uo_expected :: CtOrigin -> Type
uo_expected = Type
exp, uo_actual :: CtOrigin -> Type
uo_actual = Type
act } <- CtOrigin
orig
, Bool -> Bool
not (Type -> Type -> Type -> Type -> Bool
ea_looks_same Type
ty1 Type
ty2 Type
exp Type
act)
= SolverReportErrCtxt
-> Maybe ErrorItem
-> TypeOrKind
-> CtOrigin
-> Either [ExpectedActualInfo] MismatchMsg
mk_ea_msg SolverReportErrCtxt
ctxt Maybe ErrorItem
forall a. Maybe a
Nothing TypeOrKind
level CtOrigin
orig
| Bool
otherwise
= [ExpectedActualInfo] -> Either [ExpectedActualInfo] MismatchMsg
forall a b. a -> Either a b
Left []
ea_looks_same :: Type -> Type -> Type -> Type -> Bool
ea_looks_same :: Type -> Type -> Type -> Type -> Bool
ea_looks_same Type
ty1 Type
ty2 Type
exp Type
act
= (Type
act Type -> Type -> Bool
`looks_same` Type
ty1 Bool -> Bool -> Bool
&& Type
exp Type -> Type -> Bool
`looks_same` Type
ty2) Bool -> Bool -> Bool
||
(Type
exp Type -> Type -> Bool
`looks_same` Type
ty1 Bool -> Bool -> Bool
&& Type
act Type -> Type -> Bool
`looks_same` Type
ty2)
where
looks_same :: Type -> Type -> Bool
looks_same Type
t1 Type
t2 = Type
t1 Type -> Type -> Bool
`pickyEqType` Type
t2
Bool -> Bool -> Bool
|| Type
t1 HasCallStack => Type -> Type -> Bool
Type -> Type -> Bool
`eqType` Type
liftedTypeKind Bool -> Bool -> Bool
&& Type
t2 HasCallStack => Type -> Type -> Bool
Type -> Type -> Bool
`eqType` Type
liftedTypeKind
mk_ea_msg :: SolverReportErrCtxt -> Maybe ErrorItem -> TypeOrKind
-> CtOrigin -> Either [ExpectedActualInfo] MismatchMsg
mk_ea_msg :: SolverReportErrCtxt
-> Maybe ErrorItem
-> TypeOrKind
-> CtOrigin
-> Either [ExpectedActualInfo] MismatchMsg
mk_ea_msg SolverReportErrCtxt
ctxt Maybe ErrorItem
at_top TypeOrKind
level
(TypeEqOrigin { uo_actual :: CtOrigin -> Type
uo_actual = Type
act, uo_expected :: CtOrigin -> Type
uo_expected = Type
exp, uo_thing :: CtOrigin -> Maybe TypedThing
uo_thing = Maybe TypedThing
mb_thing })
| Just TypedThing
thing <- Maybe TypedThing
mb_thing
, TypeOrKind
KindLevel <- TypeOrKind
level
= MismatchMsg -> Either [ExpectedActualInfo] MismatchMsg
forall a b. b -> Either a b
Right (MismatchMsg -> Either [ExpectedActualInfo] MismatchMsg)
-> MismatchMsg -> Either [ExpectedActualInfo] MismatchMsg
forall a b. (a -> b) -> a -> b
$ KindMismatch { kmismatch_what :: TypedThing
kmismatch_what = TypedThing
thing
, kmismatch_expected :: Type
kmismatch_expected = Type
exp
, kmismatch_actual :: Type
kmismatch_actual = Type
act }
| Just ErrorItem
item <- Maybe ErrorItem
at_top
, let ea :: MismatchEA
ea = Maybe ExpectedActualInfo -> MismatchEA
EA (Maybe ExpectedActualInfo -> MismatchEA)
-> Maybe ExpectedActualInfo -> MismatchEA
forall a b. (a -> b) -> a -> b
$ if Bool
expanded_syns then ExpectedActualInfo -> Maybe ExpectedActualInfo
forall a. a -> Maybe a
Just ExpectedActualInfo
ea_expanded else Maybe ExpectedActualInfo
forall a. Maybe a
Nothing
mismatch :: MismatchMsg
mismatch = MismatchEA -> ErrorItem -> Type -> Type -> MismatchMsg
mkBasicMismatchMsg MismatchEA
ea ErrorItem
item Type
exp Type
act
= MismatchMsg -> Either [ExpectedActualInfo] MismatchMsg
forall a b. b -> Either a b
Right MismatchMsg
mismatch
| Bool
otherwise
= [ExpectedActualInfo] -> Either [ExpectedActualInfo] MismatchMsg
forall a b. a -> Either a b
Left ([ExpectedActualInfo] -> Either [ExpectedActualInfo] MismatchMsg)
-> [ExpectedActualInfo] -> Either [ExpectedActualInfo] MismatchMsg
forall a b. (a -> b) -> a -> b
$
if Bool
expanded_syns
then [ExpectedActualInfo
ea,ExpectedActualInfo
ea_expanded]
else [ExpectedActualInfo
ea]
where
ea :: ExpectedActualInfo
ea = ExpectedActual { ea_expected :: Type
ea_expected = Type
exp, ea_actual :: Type
ea_actual = Type
act }
ea_expanded :: ExpectedActualInfo
ea_expanded =
ExpectedActualAfterTySynExpansion
{ ea_expanded_expected :: Type
ea_expanded_expected = Type
expTy1
, ea_expanded_actual :: Type
ea_expanded_actual = Type
expTy2 }
expanded_syns :: Bool
expanded_syns = SolverReportErrCtxt -> Bool
cec_expand_syns SolverReportErrCtxt
ctxt
Bool -> Bool -> Bool
&& Bool -> Bool
not (Type
expTy1 Type -> Type -> Bool
`pickyEqType` Type
exp Bool -> Bool -> Bool
&& Type
expTy2 Type -> Type -> Bool
`pickyEqType` Type
act)
(Type
expTy1, Type
expTy2) = Type -> Type -> (Type, Type)
expandSynonymsToMatch Type
exp Type
act
mk_ea_msg SolverReportErrCtxt
_ Maybe ErrorItem
_ TypeOrKind
_ CtOrigin
_ = [ExpectedActualInfo] -> Either [ExpectedActualInfo] MismatchMsg
forall a b. a -> Either a b
Left []
expandSynonymsToMatch :: Type -> Type -> (Type, Type)
expandSynonymsToMatch :: Type -> Type -> (Type, Type)
expandSynonymsToMatch Type
ty1 Type
ty2 = (Type
ty1_ret, Type
ty2_ret)
where
(Type
ty1_ret, Type
ty2_ret) = Type -> Type -> (Type, Type)
go Type
ty1 Type
ty2
go :: Type -> Type -> (Type, Type)
go :: Type -> Type -> (Type, Type)
go Type
t1 Type
t2
| Type
t1 Type -> Type -> Bool
`pickyEqType` Type
t2 =
(Type
t1, Type
t2)
go (TyConApp TyCon
tc1 [Type]
tys1) (TyConApp TyCon
tc2 [Type]
tys2)
| TyCon
tc1 TyCon -> TyCon -> Bool
forall a. Eq a => a -> a -> Bool
== TyCon
tc2
, [Type]
tys1 [Type] -> [Type] -> Bool
forall a b. [a] -> [b] -> Bool
`equalLength` [Type]
tys2 =
let ([Type]
tys1', [Type]
tys2') =
[(Type, Type)] -> ([Type], [Type])
forall a b. [(a, b)] -> ([a], [b])
unzip ([Char]
-> (Type -> Type -> (Type, Type))
-> [Type]
-> [Type]
-> [(Type, Type)]
forall a b c.
HasDebugCallStack =>
[Char] -> (a -> b -> c) -> [a] -> [b] -> [c]
zipWithEqual [Char]
"expandSynonymsToMatch" Type -> Type -> (Type, Type)
go [Type]
tys1 [Type]
tys2)
in (TyCon -> [Type] -> Type
TyConApp TyCon
tc1 [Type]
tys1', TyCon -> [Type] -> Type
TyConApp TyCon
tc2 [Type]
tys2')
go (AppTy Type
t1_1 Type
t1_2) (AppTy Type
t2_1 Type
t2_2) =
let (Type
t1_1', Type
t2_1') = Type -> Type -> (Type, Type)
go Type
t1_1 Type
t2_1
(Type
t1_2', Type
t2_2') = Type -> Type -> (Type, Type)
go Type
t1_2 Type
t2_2
in (Type -> Type -> Type
mkAppTy Type
t1_1' Type
t1_2', Type -> Type -> Type
mkAppTy Type
t2_1' Type
t2_2')
go ty1 :: Type
ty1@(FunTy FunTyFlag
_ Type
w1 Type
t1_1 Type
t1_2) ty2 :: Type
ty2@(FunTy FunTyFlag
_ Type
w2 Type
t2_1 Type
t2_2) | Type
w1 HasCallStack => Type -> Type -> Bool
Type -> Type -> Bool
`eqType` Type
w2 =
let (Type
t1_1', Type
t2_1') = Type -> Type -> (Type, Type)
go Type
t1_1 Type
t2_1
(Type
t1_2', Type
t2_2') = Type -> Type -> (Type, Type)
go Type
t1_2 Type
t2_2
in ( Type
ty1 { ft_arg = t1_1', ft_res = t1_2' }
, Type
ty2 { ft_arg = t2_1', ft_res = t2_2' })
go (ForAllTy VarBndr TyVar ForAllTyFlag
b1 Type
t1) (ForAllTy VarBndr TyVar ForAllTyFlag
b2 Type
t2) =
let (Type
t1', Type
t2') = Type -> Type -> (Type, Type)
go Type
t1 Type
t2
in (VarBndr TyVar ForAllTyFlag -> Type -> Type
ForAllTy VarBndr TyVar ForAllTyFlag
b1 Type
t1', VarBndr TyVar ForAllTyFlag -> Type -> Type
ForAllTy VarBndr TyVar ForAllTyFlag
b2 Type
t2')
go (CastTy Type
ty1 Coercion
_) Type
ty2 = Type -> Type -> (Type, Type)
go Type
ty1 Type
ty2
go Type
ty1 (CastTy Type
ty2 Coercion
_) = Type -> Type -> (Type, Type)
go Type
ty1 Type
ty2
go Type
t1 Type
t2 =
let
t1_exp_tys :: [Type]
t1_exp_tys = Type
t1 Type -> [Type] -> [Type]
forall a. a -> [a] -> [a]
: Type -> [Type]
tyExpansions Type
t1
t2_exp_tys :: [Type]
t2_exp_tys = Type
t2 Type -> [Type] -> [Type]
forall a. a -> [a] -> [a]
: Type -> [Type]
tyExpansions Type
t2
t1_exps :: Arity
t1_exps = [Type] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [Type]
t1_exp_tys
t2_exps :: Arity
t2_exps = [Type] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [Type]
t2_exp_tys
dif :: Arity
dif = Arity -> Arity
forall a. Num a => a -> a
abs (Arity
t1_exps Arity -> Arity -> Arity
forall a. Num a => a -> a -> a
- Arity
t2_exps)
in
[(Type, Type)] -> (Type, Type)
followExpansions ([(Type, Type)] -> (Type, Type)) -> [(Type, Type)] -> (Type, Type)
forall a b. (a -> b) -> a -> b
$
[Char] -> [Type] -> [Type] -> [(Type, Type)]
forall a b. HasDebugCallStack => [Char] -> [a] -> [b] -> [(a, b)]
zipEqual [Char]
"expandSynonymsToMatch.go"
(if Arity
t1_exps Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
> Arity
t2_exps then Arity -> [Type] -> [Type]
forall a. Arity -> [a] -> [a]
drop Arity
dif [Type]
t1_exp_tys else [Type]
t1_exp_tys)
(if Arity
t2_exps Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
> Arity
t1_exps then Arity -> [Type] -> [Type]
forall a. Arity -> [a] -> [a]
drop Arity
dif [Type]
t2_exp_tys else [Type]
t2_exp_tys)
tyExpansions :: Type -> [Type]
tyExpansions :: Type -> [Type]
tyExpansions = (Type -> Maybe (Type, Type)) -> Type -> [Type]
forall b a. (b -> Maybe (a, b)) -> b -> [a]
unfoldr (\Type
t -> (\Type
x -> (Type
x, Type
x)) (Type -> (Type, Type)) -> Maybe Type -> Maybe (Type, Type)
forall a b. (a -> b) -> Maybe a -> Maybe b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
`fmap` Type -> Maybe Type
coreView Type
t)
followExpansions :: [(Type, Type)] -> (Type, Type)
followExpansions :: [(Type, Type)] -> (Type, Type)
followExpansions [] = [Char] -> SDoc -> (Type, Type)
forall a. HasCallStack => [Char] -> SDoc -> a
pprPanic [Char]
"followExpansions" SDoc
forall doc. IsOutput doc => doc
empty
followExpansions [(Type
t1, Type
t2)]
| Type -> Type -> Bool
sameShapes Type
t1 Type
t2 = Type -> Type -> (Type, Type)
go Type
t1 Type
t2
| Bool
otherwise = (Type
t1, Type
t2)
followExpansions ((Type
t1, Type
t2) : [(Type, Type)]
tss)
| Type -> Type -> Bool
sameShapes Type
t1 Type
t2 = Type -> Type -> (Type, Type)
go Type
t1 Type
t2
| Bool
otherwise = [(Type, Type)] -> (Type, Type)
followExpansions [(Type, Type)]
tss
sameShapes :: Type -> Type -> Bool
sameShapes :: Type -> Type -> Bool
sameShapes AppTy{} AppTy{} = Bool
True
sameShapes (TyConApp TyCon
tc1 [Type]
_) (TyConApp TyCon
tc2 [Type]
_) = TyCon
tc1 TyCon -> TyCon -> Bool
forall a. Eq a => a -> a -> Bool
== TyCon
tc2
sameShapes (FunTy {}) (FunTy {}) = Bool
True
sameShapes (ForAllTy {}) (ForAllTy {}) = Bool
True
sameShapes (CastTy Type
ty1 Coercion
_) Type
ty2 = Type -> Type -> Bool
sameShapes Type
ty1 Type
ty2
sameShapes Type
ty1 (CastTy Type
ty2 Coercion
_) = Type -> Type -> Bool
sameShapes Type
ty1 Type
ty2
sameShapes Type
_ Type
_ = Bool
False
inHsDocContext :: HsDocContext -> SDoc
inHsDocContext :: HsDocContext -> SDoc
inHsDocContext HsDocContext
ctxt = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"In" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsDocContext -> SDoc
pprHsDocContext HsDocContext
ctxt
pprHsDocContext :: HsDocContext -> SDoc
pprHsDocContext :: HsDocContext -> SDoc
pprHsDocContext (GenericCtx SDoc
doc) = SDoc
doc
pprHsDocContext (TypeSigCtx SDoc
doc) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the type signature for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
doc
pprHsDocContext (StandaloneKindSigCtx SDoc
doc) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the standalone kind signature for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
doc
pprHsDocContext HsDocContext
PatCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a pattern type-signature"
pprHsDocContext HsDocContext
SpecInstSigCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a SPECIALISE instance pragma"
pprHsDocContext HsDocContext
DefaultDeclCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a `default' declaration"
pprHsDocContext HsDocContext
DerivDeclCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a deriving declaration"
pprHsDocContext (RuleCtx FastString
name) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the rewrite rule" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
doubleQuotes (FastString -> SDoc
forall doc. IsLine doc => FastString -> doc
ftext FastString
name)
pprHsDocContext (TyDataCtx LocatedN RdrName
tycon) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the data type declaration for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr LocatedN RdrName
tycon)
pprHsDocContext (FamPatCtx LocatedN RdrName
tycon) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a type pattern of family instance for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr LocatedN RdrName
tycon)
pprHsDocContext (TySynCtx LocatedN RdrName
name) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the declaration for type synonym" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr LocatedN RdrName
name)
pprHsDocContext (TyFamilyCtx LocatedN RdrName
name) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the declaration for type family" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr LocatedN RdrName
name)
pprHsDocContext (ClassDeclCtx LocatedN RdrName
name) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the declaration for class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr LocatedN RdrName
name)
pprHsDocContext HsDocContext
ExprWithTySigCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"an expression type signature"
pprHsDocContext HsDocContext
TypBrCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a Template-Haskell quoted type"
pprHsDocContext HsDocContext
HsTypeCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a type argument"
pprHsDocContext HsDocContext
HsTypePatCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"a type argument in a pattern"
pprHsDocContext HsDocContext
GHCiCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GHCi input"
pprHsDocContext (SpliceTypeCtx LHsType GhcPs
hs_ty) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the spliced type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (GenLocated SrcSpanAnnA (HsType GhcPs) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsType GhcPs
GenLocated SrcSpanAnnA (HsType GhcPs)
hs_ty)
pprHsDocContext HsDocContext
ClassInstanceCtx = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GHC.Tc.Gen.Splice.reifyInstances"
pprHsDocContext (ForeignDeclCtx LocatedN RdrName
name)
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the foreign declaration for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr LocatedN RdrName
name)
pprHsDocContext (ConDeclCtx [LocatedN Name
name])
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the definition of data constructor" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (LocatedN Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr LocatedN Name
name)
pprHsDocContext (ConDeclCtx [LocatedN Name]
names)
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the definition of data constructors" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [LocatedN Name] -> SDoc
forall a. Outputable a => [a] -> SDoc
interpp'SP [LocatedN Name]
names
pprConversionFailReason :: ConversionFailReason -> SDoc
pprConversionFailReason :: ConversionFailReason -> SDoc
pprConversionFailReason = \case
IllegalOccName NameSpace
ctxt_ns [Char]
occ ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> NameSpace -> SDoc
pprNameSpace NameSpace
ctxt_ns
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"name:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
occ)
SumAltArityExceeded Arity
alt Arity
arity ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Sum alternative" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
alt
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"exceeds its arity," SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
arity
IllegalSumAlt Arity
alt ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal sum alternative:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
alt
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Sum alternatives must start from 1" ]
IllegalSumArity Arity
arity ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal sum arity:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall doc. IsLine doc => Arity -> doc
int Arity
arity
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Sums must have an arity of at least 2" ]
MalformedType TypeOrKind
typeOrKind Type
ty ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Malformed " SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
ty_str SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (Type -> [Char]
forall a. Show a => a -> [Char]
show Type
ty)
where ty_str :: [Char]
ty_str = case TypeOrKind
typeOrKind of
TypeOrKind
TypeLevel -> [Char]
"type"
TypeOrKind
KindLevel -> [Char]
"kind"
IllegalLastStatement HsDoFlavour
do_or_lc LStmt GhcPs (LHsExpr GhcPs)
stmt ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal last statement of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsDoFlavour -> SDoc
pprAHsDoFlavour HsDoFlavour
do_or_lc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ GenLocated
SrcSpanAnnA
(StmtLR GhcPs GhcPs (GenLocated SrcSpanAnnA (HsExpr GhcPs)))
-> SDoc
forall a. Outputable a => a -> SDoc
ppr LStmt GhcPs (LHsExpr GhcPs)
GenLocated
SrcSpanAnnA
(StmtLR GhcPs GhcPs (GenLocated SrcSpanAnnA (HsExpr GhcPs)))
stmt
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(It should be an expression.)" ]
ConversionFailReason
KindSigsOnlyAllowedOnGADTs ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Kind signatures are only allowed on GADTs"
IllegalDeclaration THDeclDescriptor
declDescr IllegalDecls
bad_decls ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
descrDoc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon
, Arity -> SDoc -> SDoc
nest Arity
2 SDoc
bads ]
where
(SDoc
what, SDoc
bads) = case IllegalDecls
bad_decls of
IllegalDecls (NonEmpty (LHsDecl GhcPs) -> [GenLocated SrcSpanAnnA (HsDecl GhcPs)]
NonEmpty (GenLocated SrcSpanAnnA (HsDecl GhcPs))
-> [GenLocated SrcSpanAnnA (HsDecl GhcPs)]
forall a. NonEmpty a -> [a]
NE.toList -> [GenLocated SrcSpanAnnA (HsDecl GhcPs)]
decls) ->
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"declaration" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [GenLocated SrcSpanAnnA (HsDecl GhcPs)] -> SDoc
forall a. [a] -> SDoc
plural [GenLocated SrcSpanAnnA (HsDecl GhcPs)]
decls, [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (GenLocated SrcSpanAnnA (HsDecl GhcPs) -> SDoc)
-> [GenLocated SrcSpanAnnA (HsDecl GhcPs)] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpanAnnA (HsDecl GhcPs) -> SDoc
forall a. Outputable a => a -> SDoc
ppr [GenLocated SrcSpanAnnA (HsDecl GhcPs)]
decls)
IllegalFamDecls (NonEmpty (LFamilyDecl GhcPs)
-> [GenLocated SrcSpanAnnA (FamilyDecl GhcPs)]
NonEmpty (GenLocated SrcSpanAnnA (FamilyDecl GhcPs))
-> [GenLocated SrcSpanAnnA (FamilyDecl GhcPs)]
forall a. NonEmpty a -> [a]
NE.toList -> [GenLocated SrcSpanAnnA (FamilyDecl GhcPs)]
decls) ->
( [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"family declaration" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [GenLocated SrcSpanAnnA (FamilyDecl GhcPs)] -> SDoc
forall a. [a] -> SDoc
plural [GenLocated SrcSpanAnnA (FamilyDecl GhcPs)]
decls, [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (GenLocated SrcSpanAnnA (FamilyDecl GhcPs) -> SDoc)
-> [GenLocated SrcSpanAnnA (FamilyDecl GhcPs)] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map GenLocated SrcSpanAnnA (FamilyDecl GhcPs) -> SDoc
forall a. Outputable a => a -> SDoc
ppr [GenLocated SrcSpanAnnA (FamilyDecl GhcPs)]
decls)
descrDoc :: SDoc
descrDoc = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> SDoc) -> [Char] -> SDoc
forall a b. (a -> b) -> a -> b
$ case THDeclDescriptor
declDescr of
THDeclDescriptor
InstanceDecl -> [Char]
"an instance declaration"
THDeclDescriptor
WhereClause -> [Char]
"a where clause"
THDeclDescriptor
LetBinding -> [Char]
"a let expression"
THDeclDescriptor
LetExpression -> [Char]
"a let expression"
THDeclDescriptor
ClssDecl -> [Char]
"a class declaration"
ConversionFailReason
CannotMixGADTConsWith98Cons ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot mix GADT constructors with Haskell 98"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"constructors"
ConversionFailReason
EmptyStmtListInDoBlock ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Empty stmt list in do-block"
ConversionFailReason
NonVarInInfixExpr ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Non-variable expression is not allowed in an infix expression"
ConversionFailReason
MultiWayIfWithoutAlts ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Multi-way if-expression with no alternatives"
ConversionFailReason
CasesExprWithoutAlts ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"\\cases expression with no alternatives"
ConversionFailReason
ImplicitParamsWithOtherBinds ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Implicit parameters mixed with other bindings"
InvalidCCallImpent [Char]
from ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> [Char]
forall a. Show a => a -> [Char]
show [Char]
from) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a valid ccall impent"
ConversionFailReason
RecGadtNoCons ->
SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"RecGadtC") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must have at least one constructor name"
ConversionFailReason
GadtNoCons ->
SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"GadtC") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must have at least one constructor name"
InvalidTypeInstanceHeader Type
tys ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid type instance header:"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (Type -> [Char]
forall a. Show a => a -> [Char]
show Type
tys)
InvalidTyFamInstLHS Type
lhs ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid type family instance LHS:"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (Type -> [Char]
forall a. Show a => a -> [Char]
show Type
lhs)
ConversionFailReason
InvalidImplicitParamBinding ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Implicit parameter binding only allowed in let or where"
DefaultDataInstDecl [LDataFamInstDecl GhcPs]
adts ->
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Default data instance declarations"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"are not allowed:")
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [GenLocated SrcSpanAnnA (DataFamInstDecl GhcPs)] -> SDoc
forall a. Outputable a => a -> SDoc
ppr [LDataFamInstDecl GhcPs]
[GenLocated SrcSpanAnnA (DataFamInstDecl GhcPs)]
adts
FunBindLacksEquations Name
nm ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Function binding for"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (Name -> [Char]
forall a. Ppr a => a -> [Char]
TH.pprint Name
nm))
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has no equations"
pprTyThingUsedWrong :: WrongThingSort -> TcTyThing -> Name -> SDoc
pprTyThingUsedWrong :: WrongThingSort -> TcTyThing -> Name -> SDoc
pprTyThingUsedWrong WrongThingSort
sort TcTyThing
thing Name
name =
TcTyThing -> SDoc
pprTcTyThingCategory TcTyThing
thing SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"used as a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> WrongThingSort -> SDoc
pprWrongThingSort WrongThingSort
sort
pprWrongThingSort :: WrongThingSort -> SDoc
pprWrongThingSort :: WrongThingSort -> SDoc
pprWrongThingSort =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> SDoc)
-> (WrongThingSort -> [Char]) -> WrongThingSort -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. \case
WrongThingSort
WrongThingType -> [Char]
"type"
WrongThingSort
WrongThingDataCon -> [Char]
"data constructor"
WrongThingSort
WrongThingPatSyn -> [Char]
"pattern synonym"
WrongThingSort
WrongThingConLike -> [Char]
"constructor-like thing"
WrongThingSort
WrongThingClass -> [Char]
"class"
WrongThingSort
WrongThingTyCon -> [Char]
"type constructor"
WrongThingSort
WrongThingAxiom -> [Char]
"axiom"
pprStageCheckReason :: StageCheckReason -> SDoc
pprStageCheckReason :: StageCheckReason -> SDoc
pprStageCheckReason = \case
StageCheckInstance InstanceWhat
_ Type
t ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"instance for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
t)
StageCheckSplice Name
t ->
SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
t)
pprUninferrableTyVarCtx :: UninferrableTyVarCtx -> SDoc
pprUninferrableTyVarCtx :: UninferrableTyVarCtx -> SDoc
pprUninferrableTyVarCtx = \case
UninfTyCtx_ClassContext [Type]
theta ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the class context:", [Type] -> SDoc
pprTheta [Type]
theta ]
UninfTyCtx_DataContext [Type]
theta ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the datatype context:", [Type] -> SDoc
pprTheta [Type]
theta ]
UninfTyCtx_ProvidedContext [Type]
theta ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the provided context:" , [Type] -> SDoc
pprTheta [Type]
theta ]
UninfTyCtx_TyFamRhs Type
rhs_ty ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the type family equation right-hand side:" , Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
rhs_ty ]
UninfTyCtx_TySynRhs Type
rhs_ty ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the type synonym right-hand side:" , Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
rhs_ty ]
UninfTyCtx_Sig Type
exp_kind LHsSigType (GhcPass 'Renamed)
full_hs_ty ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the kind" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
exp_kind) Arity
2
([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of the type signature:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsSigType (GhcPass 'Renamed)
GenLocated SrcSpanAnnA (HsSigType (GhcPass 'Renamed))
full_hs_ty)
pprPatSynInvalidRhsReason :: PatSynInvalidRhsReason -> SDoc
pprPatSynInvalidRhsReason :: PatSynInvalidRhsReason -> SDoc
pprPatSynInvalidRhsReason = \case
PatSynNotInvertible Pat (GhcPass 'Renamed)
p ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Pattern" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Pat (GhcPass 'Renamed) -> SDoc
forall a. Outputable a => a -> SDoc
ppr Pat (GhcPass 'Renamed)
p) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not invertible"
PatSynUnboundVar Name
var ->
SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
var) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not bound by the LHS of the pattern synonym"
pprBadFieldAnnotationReason :: BadFieldAnnotationReason -> SDoc
pprBadFieldAnnotationReason :: BadFieldAnnotationReason -> SDoc
pprBadFieldAnnotationReason = \case
BadFieldAnnotationReason
LazyFieldsDisabled ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Lazy field annotations (~) are disabled"
BadFieldAnnotationReason
UnpackWithoutStrictness ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"UNPACK pragma lacks '!'"
BadFieldAnnotationReason
BackpackUnpackAbstractType ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ignoring unusable UNPACK pragma"
pprSuperclassCycleDetail :: SuperclassCycleDetail -> SDoc
pprSuperclassCycleDetail :: SuperclassCycleDetail -> SDoc
pprSuperclassCycleDetail = \case
SCD_HeadTyVar Type
pred ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"one of whose superclass constraints is headed by a type variable:")
Arity
2 (SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
pred))
SCD_HeadTyFam Type
pred ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"one of whose superclass constraints is headed by a type family:")
Arity
2 (SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
pred))
SCD_Superclass Class
cls ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"one of whose superclasses is" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls)
pprRoleValidationFailedReason :: Role -> RoleValidationFailedReason -> SDoc
pprRoleValidationFailedReason :: Role -> RoleValidationFailedReason -> SDoc
pprRoleValidationFailedReason Role
role = \case
TyVarRoleMismatch TyVar
tv Role
role' ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tv) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cannot have role" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Role -> SDoc
forall a. Outputable a => a -> SDoc
ppr Role
role SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"because it was assigned role" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Role -> SDoc
forall a. Outputable a => a -> SDoc
ppr Role
role'
TyVarMissingInEnv TyVar
tv ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
tv) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"missing in environment"
BadCoercionRole Coercion
co ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"coercion" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Coercion -> SDoc
forall a. Outputable a => a -> SDoc
ppr Coercion
co SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has bad role" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Role -> SDoc
forall a. Outputable a => a -> SDoc
ppr Role
role
pprDisabledClassExtension :: Class -> DisabledClassExtension -> SDoc
pprDisabledClassExtension :: Class -> DisabledClassExtension -> SDoc
pprDisabledClassExtension Class
cls = \case
MultiParamDisabled Arity
n ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
howMany SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"parameters for class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls)
where
howMany :: [Char]
howMany | Arity
n Arity -> Arity -> Bool
forall a. Eq a => a -> a -> Bool
== Arity
0 = [Char]
"No"
| Bool
otherwise = [Char]
"Too many"
DisabledClassExtension
FunDepsDisabled ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Fundeps in class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls)
ConstrainedClassMethodsDisabled TyVar
sel_id Type
pred ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Constraint" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
pred)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the type of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
sel_id))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"constrains only the class type variables")]
pprImportLookup :: ImportLookupReason -> SDoc
pprImportLookup :: ImportLookupReason -> SDoc
pprImportLookup = \case
ImportLookupBad BadImportKind
k ModIface
iface ImpDeclSpec
decl_spec IE GhcPs
ie Bool
_ps ->
let
pprImpDeclSpec :: ModIface -> ImpDeclSpec -> SDoc
pprImpDeclSpec :: ModIface -> ImpDeclSpec -> SDoc
pprImpDeclSpec ModIface
iface ImpDeclSpec
decl_spec =
SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Module -> ModuleName
forall unit. GenModule unit -> ModuleName
moduleName (Module -> ModuleName) -> Module -> ModuleName
forall a b. (a -> b) -> a -> b
$ ImpDeclSpec -> Module
is_mod ImpDeclSpec
decl_spec)) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> case ModIface -> IsBootInterface
mi_boot ModIface
iface of
IsBootInterface
IsBoot -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(hi-boot interface)"
IsBootInterface
NotBoot -> SDoc
forall doc. IsOutput doc => doc
empty
withContext :: [SDoc] -> SDoc
withContext [SDoc]
msgs =
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"In the import of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModIface -> ImpDeclSpec -> SDoc
pprImpDeclSpec ModIface
iface ImpDeclSpec
decl_spec SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc]
msgs)
in case BadImportKind
k of
BadImportNotExported [GhcHint]
_ ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> ModIface -> ImpDeclSpec -> SDoc
pprImpDeclSpec ModIface
iface ImpDeclSpec
decl_spec SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not export" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (IE GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr IE GhcPs
ie) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
]
BadImportKind
BadImportAvailVar ->
[SDoc] -> SDoc
withContext
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"an item called"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
val SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is exported, but it is not a type."
]
where
val_occ :: OccName
val_occ = RdrName -> OccName
rdrNameOcc (RdrName -> OccName) -> RdrName -> OccName
forall a b. (a -> b) -> a -> b
$ IE GhcPs -> IdP GhcPs
forall (p :: Pass). IE (GhcPass p) -> IdP (GhcPass p)
ieName IE GhcPs
ie
val :: SDoc
val = OccName -> SDoc -> SDoc
parenSymOcc OccName
val_occ (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
val_occ)
BadImportAvailTyCon {} ->
[SDoc] -> SDoc
withContext
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"an item called"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
tycon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is exported, but it is a type."
]
where
tycon_occ :: OccName
tycon_occ = RdrName -> OccName
rdrNameOcc (RdrName -> OccName) -> RdrName -> OccName
forall a b. (a -> b) -> a -> b
$ IE GhcPs -> IdP GhcPs
forall (p :: Pass). IE (GhcPass p) -> IdP (GhcPass p)
ieName IE GhcPs
ie
tycon :: SDoc
tycon = OccName -> SDoc -> SDoc
parenSymOcc OccName
tycon_occ (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
tycon_occ)
BadImportNotExportedSubordinates [OccName]
ns ->
[SDoc] -> SDoc
withContext
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"an item called" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
sub SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is exported, but it does not export any children"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(constructors, class methods or field names) called"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (OccName -> SDoc) -> [OccName] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas (SDoc -> SDoc
quotes (SDoc -> SDoc) -> (OccName -> SDoc) -> OccName -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr) [OccName]
ns SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
]
where
sub_occ :: OccName
sub_occ = RdrName -> OccName
rdrNameOcc (RdrName -> OccName) -> RdrName -> OccName
forall a b. (a -> b) -> a -> b
$ IE GhcPs -> IdP GhcPs
forall (p :: Pass). IE (GhcPass p) -> IdP (GhcPass p)
ieName IE GhcPs
ie
sub :: SDoc
sub = OccName -> SDoc -> SDoc
parenSymOcc OccName
sub_occ (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
sub_occ)
BadImportAvailDataCon OccName
dataType_occ ->
[SDoc] -> SDoc
withContext
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"an item called" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
datacon
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is exported, but it is a data constructor of"
, SDoc -> SDoc
quotes SDoc
dataType SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
]
where
datacon_occ :: OccName
datacon_occ = RdrName -> OccName
rdrNameOcc (RdrName -> OccName) -> RdrName -> OccName
forall a b. (a -> b) -> a -> b
$ IE GhcPs -> IdP GhcPs
forall (p :: Pass). IE (GhcPass p) -> IdP (GhcPass p)
ieName IE GhcPs
ie
datacon :: SDoc
datacon = OccName -> SDoc -> SDoc
parenSymOcc OccName
datacon_occ (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
datacon_occ)
dataType :: SDoc
dataType = OccName -> SDoc -> SDoc
parenSymOcc OccName
dataType_occ (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
dataType_occ)
ImportLookupQualified RdrName
rdr ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal qualified name in import item:")
Arity
2 (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr)
ImportLookupReason
ImportLookupIllegal ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal import item"
ImportLookupAmbiguous RdrName
rdr [GlobalRdrElt]
gres ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Ambiguous name" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
rdr) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in import item. It could refer to:")
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ((GlobalRdrElt -> SDoc) -> [GlobalRdrElt] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (OccName -> SDoc)
-> (GlobalRdrElt -> OccName) -> GlobalRdrElt -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. GlobalRdrElt -> OccName
forall info. GlobalRdrEltX info -> OccName
greOccName) [GlobalRdrElt]
gres))
pprUnusedImport :: ImportDecl GhcRn -> UnusedImportReason -> SDoc
pprUnusedImport :: ImportDecl (GhcPass 'Renamed) -> UnusedImportReason -> SDoc
pprUnusedImport ImportDecl (GhcPass 'Renamed)
decl = \case
UnusedImportReason
UnusedImportNone ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
pp_herald SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
pp_mod SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is redundant"
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"except perhaps to import instances from"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
pp_mod)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"To import instances alone, use:"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"import" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_mod SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens SDoc
forall doc. IsOutput doc => doc
empty ]
UnusedImportSome [UnusedImportName]
sort_unused ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc
pp_herald SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ((UnusedImportName -> SDoc) -> [UnusedImportName] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas UnusedImportName -> SDoc
pp_unused [UnusedImportName]
sort_unused)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"from module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
pp_mod SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is redundant"]
where
pp_mod :: SDoc
pp_mod = ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (GenLocated SrcSpanAnnA ModuleName -> ModuleName
forall l e. GenLocated l e -> e
unLoc (ImportDecl (GhcPass 'Renamed) -> XRec (GhcPass 'Renamed) ModuleName
forall pass. ImportDecl pass -> XRec pass ModuleName
ideclName ImportDecl (GhcPass 'Renamed)
decl))
pp_herald :: SDoc
pp_herald = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_qual SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"import of"
pp_qual :: SDoc
pp_qual
| ImportDeclQualifiedStyle -> Bool
isImportDeclQualified (ImportDecl (GhcPass 'Renamed) -> ImportDeclQualifiedStyle
forall pass. ImportDecl pass -> ImportDeclQualifiedStyle
ideclQualified ImportDecl (GhcPass 'Renamed)
decl) = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"qualified"
| Bool
otherwise = SDoc
forall doc. IsOutput doc => doc
empty
pp_unused :: UnusedImportName -> SDoc
pp_unused = \case
UnusedImportNameRegular Name
n ->
Name -> SDoc
pprNameUnqualified Name
n
UnusedImportNameRecField Parent
par OccName
fld_occ ->
case Parent
par of
ParentIs Name
p -> Name -> SDoc
pprNameUnqualified Name
p SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
fld_occ)
Parent
NoParent -> OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
fld_occ
pprUnusedName :: OccName -> UnusedNameProv -> SDoc
pprUnusedName :: OccName -> UnusedNameProv -> SDoc
pprUnusedName OccName
name UnusedNameProv
reason =
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc
msg SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ NameSpace -> SDoc
pprNonVarNameSpace (OccName -> NameSpace
occNameSpace OccName
name)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
name)]
where
msg :: SDoc
msg = case UnusedNameProv
reason of
UnusedNameProv
UnusedNameTopDecl ->
SDoc
defined
UnusedNameImported ModuleName
mod ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Imported from" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but not used"
UnusedNameProv
UnusedNameTypePattern ->
SDoc
defined SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"on the right hand side"
UnusedNameProv
UnusedNameMatch ->
SDoc
defined
UnusedNameProv
UnusedNameLocalBind ->
SDoc
defined
defined :: SDoc
defined = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Defined but not used"
pprAmbiguousGreName :: GlobalRdrEnv -> GlobalRdrElt -> SDoc
pprAmbiguousGreName :: GlobalRdrEnv -> GlobalRdrElt -> SDoc
pprAmbiguousGreName GlobalRdrEnv
gre_env GlobalRdrElt
gre
| IAmRecField RecFieldInfo
fld_info <- GlobalRdrElt -> GREInfo
greInfo GlobalRdrElt
gre
= [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
occ) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> RecFieldInfo -> SDoc
parent_info RecFieldInfo
fld_info SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, GlobalRdrElt -> SDoc
forall info. GlobalRdrEltX info -> SDoc
pprNameProvenance GlobalRdrElt
gre ]
| Bool
otherwise
= [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc -> SDoc
quotes (SDoc
pp_qual SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr OccName
occ) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
, GlobalRdrElt -> SDoc
forall info. GlobalRdrEltX info -> SDoc
pprNameProvenance GlobalRdrElt
gre ]
where
occ :: OccName
occ = GlobalRdrElt -> OccName
forall info. GlobalRdrEltX info -> OccName
greOccName GlobalRdrElt
gre
parent_info :: RecFieldInfo -> SDoc
parent_info RecFieldInfo
fld_info =
case ConLikeName
first_con of
PatSynName Name
ps -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of pattern synonym" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
ps)
DataConName {} ->
case GlobalRdrElt -> Parent
forall info. GlobalRdrEltX info -> Parent
greParent GlobalRdrElt
gre of
ParentIs Name
par
| Just GlobalRdrElt
par_gre <- GlobalRdrEnv -> Name -> Maybe GlobalRdrElt
forall info.
Outputable info =>
GlobalRdrEnvX info -> Name -> Maybe (GlobalRdrEltX info)
lookupGRE_Name GlobalRdrEnv
gre_env Name
par
, IAmTyCon TyConFlavour Name
tc_flav <- GlobalRdrElt -> GREInfo
greInfo GlobalRdrElt
par_gre
, OpenFamilyFlavour TypeOrData
IAmData Maybe Name
_ <- TyConFlavour Name
tc_flav
-> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
ppr_cons
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in a data family instance of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
par) ]
| Bool
otherwise
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"of record" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
par)
Parent
NoParent -> SDoc
ppr_cons
where
cons :: [ConLikeName]
cons :: [ConLikeName]
cons = UniqSet ConLikeName -> [ConLikeName]
forall elt. UniqSet elt -> [elt]
nonDetEltsUniqSet (UniqSet ConLikeName -> [ConLikeName])
-> UniqSet ConLikeName -> [ConLikeName]
forall a b. (a -> b) -> a -> b
$ RecFieldInfo -> UniqSet ConLikeName
recFieldCons RecFieldInfo
fld_info
first_con :: ConLikeName
first_con :: ConLikeName
first_con = [ConLikeName] -> ConLikeName
forall a. HasCallStack => [a] -> a
head [ConLikeName]
cons
ppr_cons :: SDoc
ppr_cons :: SDoc
ppr_cons = [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"belonging to data constructor"
, SDoc -> SDoc
quotes (OccName -> SDoc
forall a. Outputable a => a -> SDoc
ppr (OccName -> SDoc) -> OccName -> SDoc
forall a b. (a -> b) -> a -> b
$ Name -> OccName
nameOccName (Name -> OccName) -> Name -> OccName
forall a b. (a -> b) -> a -> b
$ ConLikeName -> Name
conLikeName_Name ConLikeName
first_con)
, if [ConLikeName] -> Arity
forall a. [a] -> Arity
forall (t :: * -> *) a. Foldable t => t a -> Arity
length [ConLikeName]
cons Arity -> Arity -> Bool
forall a. Ord a => a -> a -> Bool
> Arity
1 then SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"among others") else SDoc
forall doc. IsOutput doc => doc
empty
]
pp_qual :: SDoc
pp_qual
| GlobalRdrElt -> Bool
forall info. GlobalRdrEltX info -> Bool
gre_lcl GlobalRdrElt
gre
= Module -> SDoc
forall a. Outputable a => a -> SDoc
ppr (HasDebugCallStack => Name -> Module
Name -> Module
nameModule (Name -> Module) -> Name -> Module
forall a b. (a -> b) -> a -> b
$ GlobalRdrElt -> Name
forall info. GlobalRdrEltX info -> Name
greName GlobalRdrElt
gre)
| Just ImportSpec
imp <- Bag ImportSpec -> Maybe ImportSpec
forall a. Bag a -> Maybe a
headMaybe (Bag ImportSpec -> Maybe ImportSpec)
-> Bag ImportSpec -> Maybe ImportSpec
forall a b. (a -> b) -> a -> b
$ GlobalRdrElt -> Bag ImportSpec
forall info. GlobalRdrEltX info -> Bag ImportSpec
gre_imp GlobalRdrElt
gre
, ImpDeclSpec { is_as :: ImpDeclSpec -> ModuleName
is_as = ModuleName
mod } <- ImportSpec -> ImpDeclSpec
is_decl ImportSpec
imp
= ModuleName -> SDoc
forall a. Outputable a => a -> SDoc
ppr ModuleName
mod
| Bool
otherwise
= [Char] -> SDoc -> SDoc
forall a. HasCallStack => [Char] -> SDoc -> a
pprPanic [Char]
"addNameClassErrRn" (GlobalRdrElt -> SDoc
forall a. Outputable a => a -> SDoc
ppr GlobalRdrElt
gre)
pprNonCanonicalDefinition :: LHsSigType GhcRn
-> NonCanonicalDefinition
-> SDoc
pprNonCanonicalDefinition :: LHsSigType (GhcPass 'Renamed) -> NonCanonicalDefinition -> SDoc
pprNonCanonicalDefinition LHsSigType (GhcPass 'Renamed)
inst_ty = \case
NonCanonicalMonoid NonCanonical_Monoid
sub -> case NonCanonical_Monoid
sub of
NonCanonical_Monoid
NonCanonical_Sappend ->
[Char] -> [Char] -> SDoc
msg1 [Char]
"(<>)" [Char]
"mappend"
NonCanonical_Monoid
NonCanonical_Mappend ->
[Char] -> [Char] -> SDoc
msg2 [Char]
"mappend" [Char]
"(<>)"
NonCanonicalMonad NonCanonical_Monad
sub -> case NonCanonical_Monad
sub of
NonCanonical_Monad
NonCanonical_Pure ->
[Char] -> [Char] -> SDoc
msg1 [Char]
"pure" [Char]
"return"
NonCanonical_Monad
NonCanonical_ThenA ->
[Char] -> [Char] -> SDoc
msg1 [Char]
"(*>)" [Char]
"(>>)"
NonCanonical_Monad
NonCanonical_Return ->
[Char] -> [Char] -> SDoc
msg2 [Char]
"return" [Char]
"pure"
NonCanonical_Monad
NonCanonical_ThenM ->
[Char] -> [Char] -> SDoc
msg2 [Char]
"(>>)" [Char]
"(*>)"
where
msg1 :: String -> String -> SDoc
msg1 :: [Char] -> [Char] -> SDoc
msg1 [Char]
lhs [Char]
rhs =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Noncanonical" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char]
lhs [Char] -> [Char] -> [Char]
forall a. [a] -> [a] -> [a]
++ [Char]
" = " [Char] -> [Char] -> [Char]
forall a. [a] -> [a] -> [a]
++ [Char]
rhs)) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"definition detected"
, SDoc
inst
]
msg2 :: String -> String -> SDoc
msg2 :: [Char] -> [Char] -> SDoc
msg2 [Char]
lhs [Char]
rhs =
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Noncanonical" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
lhs) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"definition detected"
, SDoc
inst
, SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
lhs) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"will eventually be removed in favour of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
rhs)
]
inst :: SDoc
inst = LHsSigType (GhcPass 'Renamed) -> SDoc
instDeclCtxt1 LHsSigType (GhcPass 'Renamed)
inst_ty
instDeclCtxt1 :: LHsSigType GhcRn -> SDoc
instDeclCtxt1 :: LHsSigType (GhcPass 'Renamed) -> SDoc
instDeclCtxt1 LHsSigType (GhcPass 'Renamed)
hs_inst_ty
= SDoc -> SDoc
inst_decl_ctxt (GenLocated SrcSpanAnnA (HsType (GhcPass 'Renamed)) -> SDoc
forall a. Outputable a => a -> SDoc
ppr (LHsSigType (GhcPass 'Renamed) -> LHsType (GhcPass 'Renamed)
forall (p :: Pass). LHsSigType (GhcPass p) -> LHsType (GhcPass p)
getLHsInstDeclHead LHsSigType (GhcPass 'Renamed)
hs_inst_ty))
inst_decl_ctxt :: SDoc -> SDoc
inst_decl_ctxt :: SDoc -> SDoc
inst_decl_ctxt SDoc
doc = SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the instance declaration for")
Arity
2 (SDoc -> SDoc
quotes SDoc
doc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
".")
suggestNonCanonicalDefinition :: NonCanonicalDefinition -> [GhcHint]
suggestNonCanonicalDefinition :: NonCanonicalDefinition -> [GhcHint]
suggestNonCanonicalDefinition NonCanonicalDefinition
reason =
[[Char] -> GhcHint
action [Char]
doc]
where
action :: [Char] -> GhcHint
action = case NonCanonicalDefinition
reason of
NonCanonicalMonoid NonCanonical_Monoid
sub -> case NonCanonical_Monoid
sub of
NonCanonical_Monoid
NonCanonical_Sappend -> Name -> Name -> [Char] -> GhcHint
move Name
sappendName Name
mappendName
NonCanonical_Monoid
NonCanonical_Mappend -> Name -> Name -> [Char] -> GhcHint
remove Name
mappendName Name
sappendName
NonCanonicalMonad NonCanonical_Monad
sub -> case NonCanonical_Monad
sub of
NonCanonical_Monad
NonCanonical_Pure -> Name -> Name -> [Char] -> GhcHint
move Name
pureAName Name
returnMName
NonCanonical_Monad
NonCanonical_ThenA -> Name -> Name -> [Char] -> GhcHint
move Name
thenAName Name
thenMName
NonCanonical_Monad
NonCanonical_Return -> Name -> Name -> [Char] -> GhcHint
remove Name
returnMName Name
pureAName
NonCanonical_Monad
NonCanonical_ThenM -> Name -> Name -> [Char] -> GhcHint
remove Name
thenMName Name
thenAName
move :: Name -> Name -> [Char] -> GhcHint
move = Name -> Name -> [Char] -> GhcHint
SuggestMoveNonCanonicalDefinition
remove :: Name -> Name -> [Char] -> GhcHint
remove = Name -> Name -> [Char] -> GhcHint
SuggestRemoveNonCanonicalDefinition
doc :: [Char]
doc = case NonCanonicalDefinition
reason of
NonCanonicalMonoid NonCanonical_Monoid
_ -> [Char]
doc_monoid
NonCanonicalMonad NonCanonical_Monad
_ -> [Char]
doc_monad
doc_monoid :: [Char]
doc_monoid =
[Char]
"https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/semigroup-monoid"
doc_monad :: [Char]
doc_monad =
[Char]
"https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/monad-of-no-return"
suggestDefaultDeclaration :: TyCon -> [Type] -> [[Type]] -> [GhcHint]
suggestDefaultDeclaration :: TyCon -> [Type] -> [[Type]] -> [GhcHint]
suggestDefaultDeclaration TyCon
cls [Type]
prefix [[Type]]
seqs =
[TyCon -> [Type] -> GhcHint
SuggestDefaultDeclaration TyCon
cls ([Type] -> GhcHint) -> [Type] -> GhcHint
forall a b. (a -> b) -> a -> b
$ [[Type]] -> [Type]
supersequence ([Type]
prefix [Type] -> [[Type]] -> [[Type]]
forall a. a -> [a] -> [a]
: [[Type]]
seqs)]
where
supersequence :: [[Type]] -> [Type]
supersequence :: [[Type]] -> [Type]
supersequence [] = []
supersequence ([] : [[Type]]
seqs) = [[Type]] -> [Type]
supersequence [[Type]]
seqs
supersequence ((Type
x : [Type]
xs) : [[Type]]
seqs) =
Type
x Type -> [Type] -> [Type]
forall a. a -> [a] -> [a]
: [[Type]] -> [Type]
supersequence ([Type]
xs [Type] -> [[Type]] -> [[Type]]
forall a. a -> [a] -> [a]
: (Type -> [Type] -> [Type]
dropHead Type
x ([Type] -> [Type]) -> [[Type]] -> [[Type]]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> [[Type]]
seqs))
dropHead :: Type -> [Type] -> [Type]
dropHead Type
x ys :: [Type]
ys@(Type
y : [Type]
ys')
| HasDebugCallStack => Type -> Type -> Bool
Type -> Type -> Bool
tcEqType Type
x Type
y = [Type]
ys'
| Bool
otherwise = [Type]
ys
dropHead Type
_ [] = []
pprBootMismatch :: HsBootOrSig -> BootMismatch -> SDoc
pprBootMismatch :: HsBootOrSig -> BootMismatch -> SDoc
pprBootMismatch HsBootOrSig
boot_or_sig = \case
MissingBootThing Name
nm MissingBootThing
err ->
let def_or_exp :: SDoc
def_or_exp = case MissingBootThing
err of
MissingBootThing
MissingBootDefinition -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"defined in"
MissingBootThing
MissingBootExport -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"exported by"
in SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
nm) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is exported by the"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
ppr_boot_or_sig SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but not"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
def_or_exp SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the implementing module."
MissingBootInstance TyVar
boot_dfun ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"instance" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyVar -> Type
idType TyVar
boot_dfun))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is defined in the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
forall a. Outputable a => a -> SDoc
ppr SDoc
ppr_boot_or_sig SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but not in the implementing module.")
BadReexportedBootThing Name
name Name
name' ->
NamePprCtx -> Depth -> SDoc -> SDoc
withUserStyle NamePprCtx
alwaysQualify Depth
AllTheWay (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
ppr_boot_or_sig
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(re)exports" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but the implementing module exports a different identifier" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name')
]
BootMismatch TyThing
boot_thing TyThing
real_thing BootMismatchWhat
err ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat
[ TyThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyThing
real_thing SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has conflicting definitions in the module"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and its" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
ppr_boot_or_sig SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Main module:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
real_doc
, (case HsBootOrSig
boot_or_sig of
HsBootOrSig
HsBoot -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" Boot file:"
HsBootOrSig
Hsig -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" Hsig file:") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
boot_doc
, HsBootOrSig -> BootMismatchWhat -> SDoc
pprBootMismatchWhat HsBootOrSig
boot_or_sig BootMismatchWhat
err
]
where
to_doc :: TyThing -> SDoc
to_doc
= ShowSub -> TyThing -> SDoc
pprTyThingInContext (ShowSub -> TyThing -> SDoc) -> ShowSub -> TyThing -> SDoc
forall a b. (a -> b) -> a -> b
$
ShowSub
showToHeader
{ ss_forall =
case boot_or_sig of
HsBootOrSig
HsBoot -> ShowForAllFlag
ShowForAllMust
HsBootOrSig
Hsig -> ShowForAllFlag
ShowForAllWhen }
real_doc :: SDoc
real_doc = TyThing -> SDoc
to_doc TyThing
real_thing
boot_doc :: SDoc
boot_doc = TyThing -> SDoc
to_doc TyThing
boot_thing
where
ppr_boot_or_sig :: SDoc
ppr_boot_or_sig = case HsBootOrSig
boot_or_sig of
HsBootOrSig
HsBoot -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"hs-boot file"
HsBootOrSig
Hsig -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"hsig file"
pprBootMismatchWhat :: HsBootOrSig -> BootMismatchWhat -> SDoc
pprBootMismatchWhat :: HsBootOrSig -> BootMismatchWhat -> SDoc
pprBootMismatchWhat HsBootOrSig
boot_or_sig = \case
BootMismatchedIdTypes {} ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The two types are different."
BootMismatchedTyCons TyCon
tc1 TyCon
tc2 NonEmpty BootTyConMismatch
errs ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (BootTyConMismatch -> SDoc) -> [BootTyConMismatch] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (HsBootOrSig -> TyCon -> TyCon -> BootTyConMismatch -> SDoc
pprBootTyConMismatch HsBootOrSig
boot_or_sig TyCon
tc1 TyCon
tc2) (NonEmpty BootTyConMismatch -> [BootTyConMismatch]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty BootTyConMismatch
errs)
pprBootTyConMismatch :: HsBootOrSig -> TyCon -> TyCon
-> BootTyConMismatch -> SDoc
pprBootTyConMismatch :: HsBootOrSig -> TyCon -> TyCon -> BootTyConMismatch -> SDoc
pprBootTyConMismatch HsBootOrSig
boot_or_sig TyCon
tc1 TyCon
tc2 = \case
BootTyConMismatch
TyConKindMismatch ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The types have different kinds."
TyConRoleMismatch Bool
sub_type ->
if Bool
sub_type
then
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The roles are not compatible:" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Main module:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Role] -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyCon -> [Role]
tyConRoles TyCon
tc1) SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" Hsig file:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Role] -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyCon -> [Role]
tyConRoles TyCon
tc2)
else
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The roles do not match." SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
if HsBootOrSig
boot_or_sig HsBootOrSig -> HsBootOrSig -> Bool
forall a. Eq a => a -> a -> Bool
== HsBootOrSig
HsBoot
then SDoc -> SDoc
note (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc
"Roles on abstract types default to" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
"representational" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
"in hs-boot files"
else SDoc
forall doc. IsOutput doc => doc
empty
TyConSynonymMismatch {} -> SDoc
forall doc. IsOutput doc => doc
empty
TyConFlavourMismatch FamTyConFlav
fam_flav1 FamTyConFlav
fam_flav2 ->
SDoc -> SDoc
forall doc. IsOutput doc => doc -> doc
whenPprDebug (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Family flavours" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> FamTyConFlav -> SDoc
forall a. Outputable a => a -> SDoc
ppr FamTyConFlav
fam_flav1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> FamTyConFlav -> SDoc
forall a. Outputable a => a -> SDoc
ppr FamTyConFlav
fam_flav2 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"do not match"
TyConAxiomMismatch BootListMismatches CoAxBranch BootAxiomBranchMismatch
ax_errs ->
SDoc
-> (BootListMismatch CoAxBranch BootAxiomBranchMismatch -> SDoc)
-> BootListMismatches CoAxBranch BootAxiomBranchMismatch
-> SDoc
forall item err.
SDoc
-> (BootListMismatch item err -> SDoc)
-> BootListMismatches item err
-> SDoc
pprBootListMismatches ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type family equations do not match:")
BootListMismatch CoAxBranch BootAxiomBranchMismatch -> SDoc
pprTyConAxiomMismatch BootListMismatches CoAxBranch BootAxiomBranchMismatch
ax_errs
TyConInjectivityMismatch {} ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Injectivity annotations do not match"
TyConMismatchedClasses Class
_ Class
_ BootClassMismatch
err ->
HsBootOrSig -> BootClassMismatch -> SDoc
pprBootClassMismatch HsBootOrSig
boot_or_sig BootClassMismatch
err
TyConMismatchedData AlgTyConRhs
_rhs1 AlgTyConRhs
_rhs2 BootDataMismatch
err ->
BootDataMismatch -> SDoc
pprBootDataMismatch BootDataMismatch
err
SynAbstractData SynAbstractDataError
err ->
SynAbstractDataError -> SDoc
pprSynAbstractDataError SynAbstractDataError
err
BootTyConMismatch
TyConsVeryDifferent ->
SDoc
forall doc. IsOutput doc => doc
empty
pprSynAbstractDataError :: SynAbstractDataError -> SDoc
pprSynAbstractDataError :: SynAbstractDataError -> SDoc
pprSynAbstractDataError = \case
SynAbstractDataError
SynAbsDataTySynNotNullary ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal parameterized type synonym in implementation of abstract data."
SynAbstractDataInvalidRHS NonEmpty Type
bad_sub_tys ->
let msgs :: [SDoc]
msgs = (Type -> Maybe SDoc) -> [Type] -> [SDoc]
forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe Type -> Maybe SDoc
pprInvalidAbstractSubTy (NonEmpty Type -> [Type]
forall a. NonEmpty a -> [a]
NE.toList NonEmpty Type
bad_sub_tys)
in case [SDoc]
msgs of
[] -> SDoc
herald SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
SDoc
msg:[] -> SDoc -> Arity -> SDoc -> SDoc
hang (SDoc
herald SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 SDoc
msg
[SDoc]
_ -> SDoc -> Arity -> SDoc -> SDoc
hang (SDoc
herald SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (SDoc -> SDoc) -> [SDoc] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map (SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
bullet) [SDoc]
msgs)
where
herald :: SDoc
herald = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal implementation of abstract data"
pprInvalidAbstractSubTy :: Type -> Maybe SDoc
pprInvalidAbstractSubTy = \case
TyConApp TyCon
tc [Type]
_
-> Bool -> SDoc -> Maybe SDoc -> Maybe SDoc
forall a. HasCallStack => Bool -> SDoc -> a -> a
assertPpr (TyCon -> Bool
isTypeFamilyTyCon TyCon
tc) (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc) (Maybe SDoc -> Maybe SDoc) -> Maybe SDoc -> Maybe SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just (SDoc -> Maybe SDoc) -> SDoc -> Maybe SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid type family" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
ty :: Type
ty@(ForAllTy {})
-> SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just (SDoc -> Maybe SDoc) -> SDoc -> Maybe SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid polymorphic type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
ty :: Type
ty@(FunTy FunTyFlag
af Type
_ Type
_ Type
_)
| Bool -> Bool
not (FunTyFlag
af FunTyFlag -> FunTyFlag -> Bool
forall a. Eq a => a -> a -> Bool
== FunTyFlag
FTF_T_T)
-> SDoc -> Maybe SDoc
forall a. a -> Maybe a
Just (SDoc -> Maybe SDoc) -> SDoc -> Maybe SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Invalid qualified type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
Type
_ -> Maybe SDoc
forall a. Maybe a
Nothing
pprTyConAxiomMismatch :: BootListMismatch CoAxBranch BootAxiomBranchMismatch -> SDoc
pprTyConAxiomMismatch :: BootListMismatch CoAxBranch BootAxiomBranchMismatch -> SDoc
pprTyConAxiomMismatch = \case
BootListMismatch CoAxBranch BootAxiomBranchMismatch
MismatchedLength ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The number of equations differs."
MismatchedThing Arity
i CoAxBranch
br1 CoAxBranch
br2 BootAxiomBranchMismatch
err ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
speakNth (Arity
iArity -> Arity -> Arity
forall a. Num a => a -> a -> a
+Arity
1) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"equations do not match.")
Arity
2 (CoAxBranch -> CoAxBranch -> BootAxiomBranchMismatch -> SDoc
pprCoAxBranchMismatch CoAxBranch
br1 CoAxBranch
br2 BootAxiomBranchMismatch
err)
pprCoAxBranchMismatch :: CoAxBranch -> CoAxBranch -> BootAxiomBranchMismatch -> SDoc
pprCoAxBranchMismatch :: CoAxBranch -> CoAxBranch -> BootAxiomBranchMismatch -> SDoc
pprCoAxBranchMismatch CoAxBranch
_br1 CoAxBranch
_br2 BootAxiomBranchMismatch
err =
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"don't match."
where
what :: SDoc
what = case BootAxiomBranchMismatch
err of
BootAxiomBranchMismatch
MismatchedAxiomBinders -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"variables bound in the equation"
BootAxiomBranchMismatch
MismatchedAxiomLHS -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"equation left-hand sides"
BootAxiomBranchMismatch
MismatchedAxiomRHS -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"equation right-hand sides"
pprBootListMismatches :: SDoc
-> (BootListMismatch item err -> SDoc)
-> BootListMismatches item err -> SDoc
pprBootListMismatches :: forall item err.
SDoc
-> (BootListMismatch item err -> SDoc)
-> BootListMismatches item err
-> SDoc
pprBootListMismatches SDoc
herald BootListMismatch item err -> SDoc
ppr_one BootListMismatches item err
errs =
SDoc -> Arity -> SDoc -> SDoc
hang SDoc
herald Arity
2 SDoc
msgs
where
msgs :: SDoc
msgs = case BootListMismatches item err
errs of
BootListMismatch item err
err :| [] -> BootListMismatch item err -> SDoc
ppr_one BootListMismatch item err
err
BootListMismatches item err
_ -> [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat ([SDoc] -> SDoc) -> [SDoc] -> SDoc
forall a b. (a -> b) -> a -> b
$ (BootListMismatch item err -> SDoc)
-> [BootListMismatch item err] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map ((SDoc
bullet SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>) (SDoc -> SDoc)
-> (BootListMismatch item err -> SDoc)
-> BootListMismatch item err
-> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. BootListMismatch item err -> SDoc
ppr_one) ([BootListMismatch item err] -> [SDoc])
-> [BootListMismatch item err] -> [SDoc]
forall a b. (a -> b) -> a -> b
$ BootListMismatches item err -> [BootListMismatch item err]
forall a. NonEmpty a -> [a]
NE.toList BootListMismatches item err
errs
pprBootClassMismatch :: HsBootOrSig -> BootClassMismatch -> SDoc
pprBootClassMismatch :: HsBootOrSig -> BootClassMismatch -> SDoc
pprBootClassMismatch HsBootOrSig
boot_or_sig = \case
MismatchedMethods BootListMismatches ClassOpItem BootMethodMismatch
errs ->
SDoc
-> (BootListMismatch ClassOpItem BootMethodMismatch -> SDoc)
-> BootListMismatches ClassOpItem BootMethodMismatch
-> SDoc
forall item err.
SDoc
-> (BootListMismatch item err -> SDoc)
-> BootListMismatches item err
-> SDoc
pprBootListMismatches ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The class methods do not match:")
BootListMismatch ClassOpItem BootMethodMismatch -> SDoc
pprBootClassMethodListMismatch BootListMismatches ClassOpItem BootMethodMismatch
errs
MismatchedATs BootListMismatches ClassATItem BootATMismatch
at_errs ->
SDoc
-> (BootListMismatch ClassATItem BootATMismatch -> SDoc)
-> BootListMismatches ClassATItem BootATMismatch
-> SDoc
forall item err.
SDoc
-> (BootListMismatch item err -> SDoc)
-> BootListMismatches item err
-> SDoc
pprBootListMismatches ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The associated types do not match:")
(HsBootOrSig -> BootListMismatch ClassATItem BootATMismatch -> SDoc
pprATMismatch HsBootOrSig
boot_or_sig) BootListMismatches ClassATItem BootATMismatch
at_errs
BootClassMismatch
MismatchedFunDeps ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The functional dependencies do not match."
BootClassMismatch
MismatchedSuperclasses ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The superclass constraints do not match."
BootClassMismatch
MismatchedMinimalPragmas ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The MINIMAL pragmas are not compatible."
pprATMismatch :: HsBootOrSig -> BootListMismatch ClassATItem BootATMismatch -> SDoc
pprATMismatch :: HsBootOrSig -> BootListMismatch ClassATItem BootATMismatch -> SDoc
pprATMismatch HsBootOrSig
boot_or_sig = \case
BootListMismatch ClassATItem BootATMismatch
MismatchedLength ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The number of associated type defaults differs."
MismatchedThing Arity
i ClassATItem
at1 ClassATItem
at2 BootATMismatch
err ->
HsBootOrSig
-> Arity -> ClassATItem -> ClassATItem -> BootATMismatch -> SDoc
pprATMismatchErr HsBootOrSig
boot_or_sig Arity
i ClassATItem
at1 ClassATItem
at2 BootATMismatch
err
pprATMismatchErr :: HsBootOrSig -> Int -> ClassATItem -> ClassATItem -> BootATMismatch -> SDoc
pprATMismatchErr :: HsBootOrSig
-> Arity -> ClassATItem -> ClassATItem -> BootATMismatch -> SDoc
pprATMismatchErr HsBootOrSig
boot_or_sig Arity
i (ATI TyCon
tc1 Maybe (Type, TyFamEqnValidityInfo)
_) (ATI TyCon
tc2 Maybe (Type, TyFamEqnValidityInfo)
_) = \case
MismatchedTyConAT BootTyConMismatch
err ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The associated types differ:")
Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ HsBootOrSig -> TyCon -> TyCon -> BootTyConMismatch -> SDoc
pprBootTyConMismatch HsBootOrSig
boot_or_sig TyCon
tc1 TyCon
tc2 BootTyConMismatch
err
BootATMismatch
MismatchedATDefaultType ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The types of the" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
speakNth (Arity
iArity -> Arity -> Arity
forall a. Num a => a -> a -> a
+Arity
1) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"associated type default differ."
pprBootClassMethodListMismatch :: BootListMismatch ClassOpItem BootMethodMismatch -> SDoc
pprBootClassMethodListMismatch :: BootListMismatch ClassOpItem BootMethodMismatch -> SDoc
pprBootClassMethodListMismatch = \case
BootListMismatch ClassOpItem BootMethodMismatch
MismatchedLength ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The number of class methods differs."
MismatchedThing Arity
_ ClassOpItem
op1 ClassOpItem
op2 BootMethodMismatch
err ->
ClassOpItem -> ClassOpItem -> BootMethodMismatch -> SDoc
pprBootClassMethodMismatch ClassOpItem
op1 ClassOpItem
op2 BootMethodMismatch
err
pprBootClassMethodMismatch :: ClassOpItem -> ClassOpItem -> BootMethodMismatch -> SDoc
pprBootClassMethodMismatch :: ClassOpItem -> ClassOpItem -> BootMethodMismatch -> SDoc
pprBootClassMethodMismatch (TyVar
op1, DefMethInfo
_) (TyVar
op2, DefMethInfo
_) = \case
BootMethodMismatch
MismatchedMethodNames ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The method names" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
pname1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
pname2 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"differ."
MismatchedMethodTypes {} ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The types of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pname1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"are different."
MismatchedDefaultMethods Bool
subtype_check ->
if Bool
subtype_check
then
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The default methods associated with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pname1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"are not compatible."
else
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The default methods associated with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pname1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"are different."
where
nm1 :: Name
nm1 = TyVar -> Name
idName TyVar
op1
nm2 :: Name
nm2 = TyVar -> Name
idName TyVar
op2
pname1 :: SDoc
pname1 = SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
nm1)
pname2 :: SDoc
pname2 = SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
nm2)
pprBootDataMismatch :: BootDataMismatch -> SDoc
pprBootDataMismatch :: BootDataMismatch -> SDoc
pprBootDataMismatch = \case
BootDataMismatch
MismatchedNewtypeVsData ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot match a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"data") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"definition with a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"newtype") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"definition."
MismatchedConstructors BootListMismatches DataCon BootDataConMismatch
dc_errs ->
SDoc
-> (BootListMismatch DataCon BootDataConMismatch -> SDoc)
-> BootListMismatches DataCon BootDataConMismatch
-> SDoc
forall item err.
SDoc
-> (BootListMismatch item err -> SDoc)
-> BootListMismatches item err
-> SDoc
pprBootListMismatches ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The constructors do not match:")
BootListMismatch DataCon BootDataConMismatch -> SDoc
pprBootDataConMismatch BootListMismatches DataCon BootDataConMismatch
dc_errs
MismatchedDatatypeContexts {} ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The datatype contexts do not match."
pprBootDataConMismatch :: BootListMismatch DataCon BootDataConMismatch
-> SDoc
pprBootDataConMismatch :: BootListMismatch DataCon BootDataConMismatch -> SDoc
pprBootDataConMismatch = \case
BootListMismatch DataCon BootDataConMismatch
MismatchedLength ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The number of constructors differs."
MismatchedThing Arity
_ DataCon
dc1 DataCon
dc2 BootDataConMismatch
err ->
DataCon -> DataCon -> BootDataConMismatch -> SDoc
pprBootDataConMismatchErr DataCon
dc1 DataCon
dc2 BootDataConMismatch
err
pprBootDataConMismatchErr :: DataCon -> DataCon -> BootDataConMismatch -> SDoc
pprBootDataConMismatchErr :: DataCon -> DataCon -> BootDataConMismatch -> SDoc
pprBootDataConMismatchErr DataCon
dc1 DataCon
dc2 = \case
BootDataConMismatch
MismatchedDataConNames ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The names" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pname1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pname2 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"differ."
BootDataConMismatch
MismatchedDataConFixities ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The fixities of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pname1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"differ."
BootDataConMismatch
MismatchedDataConBangs ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The strictness annotations for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pname1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"differ."
BootDataConMismatch
MismatchedDataConFieldLabels ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The record label lists for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pname1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"differ."
BootDataConMismatch
MismatchedDataConTypes ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The types for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pname1 SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"differ."
where
name1 :: Name
name1 = DataCon -> Name
dataConName DataCon
dc1
name2 :: Name
name2 = DataCon -> Name
dataConName DataCon
dc2
pname1 :: SDoc
pname1 = SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name1)
pname2 :: SDoc
pname2 = SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name2)
pprIllegalInstance :: IllegalInstanceReason -> SDoc
pprIllegalInstance :: IllegalInstanceReason -> SDoc
pprIllegalInstance = \case
IllegalClassInstance TypedThing
head_ty IllegalClassInstanceReason
reason ->
TypedThing -> IllegalClassInstanceReason -> SDoc
pprIllegalClassInstanceReason TypedThing
head_ty IllegalClassInstanceReason
reason
IllegalFamilyInstance IllegalFamilyInstanceReason
reason ->
IllegalFamilyInstanceReason -> SDoc
pprIllegalFamilyInstance IllegalFamilyInstanceReason
reason
IllegalFamilyApplicationInInstance Type
inst_ty Bool
invis_arg TyCon
tf_tc [Type]
tf_args ->
Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen Bool
invis_arg (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal type synonym family application"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
tf_ty) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in instance" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
inst_ty)
where
tf_ty :: Type
tf_ty = TyCon -> [Type] -> Type
mkTyConApp TyCon
tf_tc [Type]
tf_args
pprIllegalClassInstanceReason :: TypedThing -> IllegalClassInstanceReason -> SDoc
pprIllegalClassInstanceReason :: TypedThing -> IllegalClassInstanceReason -> SDoc
pprIllegalClassInstanceReason TypedThing
head_ty = \case
IllegalInstanceHead IllegalInstanceHeadReason
reason ->
TypedThing -> IllegalInstanceHeadReason -> SDoc
pprIllegalInstanceHeadReason TypedThing
head_ty IllegalInstanceHeadReason
reason
IllegalHasFieldInstance IllegalHasFieldInstance
has_field_err ->
TypedThing -> SDoc -> SDoc
with_illegal_instance_header TypedThing
head_ty (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
IllegalHasFieldInstance -> SDoc
pprIllegalHasFieldInstance IllegalHasFieldInstance
has_field_err
IllegalSpecialClassInstance Class
cls Bool
because_safeHaskell ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SDoc) -> Name -> SDoc
forall a b. (a -> b) -> a -> b
$ Class -> Name
className Class
cls)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not support user-specified instances"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
safeHaskell_msg
where
safeHaskell_msg :: SDoc
safeHaskell_msg
| Bool
because_safeHaskell
= [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" when Safe Haskell is enabled."
| Bool
otherwise
= SDoc
forall doc. IsLine doc => doc
dot
IllegalInstanceFailsCoverageCondition Class
cls CoverageProblem
coverage_failure ->
TypedThing -> SDoc -> SDoc
with_illegal_instance_header TypedThing
head_ty (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
Class -> CoverageProblem -> SDoc
pprNotCovered Class
cls CoverageProblem
coverage_failure
pprIllegalInstanceHeadReason :: TypedThing
-> IllegalInstanceHeadReason -> SDoc
pprIllegalInstanceHeadReason :: TypedThing -> IllegalInstanceHeadReason -> SDoc
pprIllegalInstanceHeadReason TypedThing
head_ty = \case
IllegalInstanceHeadReason
InstHeadTySynArgs -> TypedThing -> SDoc -> SDoc
with_illegal_instance_header TypedThing
head_ty (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"All instance types must be of the form (T t1 ... tn)" SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"where T is not a synonym."
IllegalInstanceHeadReason
InstHeadNonTyVarArgs -> TypedThing -> SDoc -> SDoc
with_illegal_instance_header TypedThing
head_ty (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"All instance types must be of the form (T a1 ... an)",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"where a1 ... an are *distinct type variables*,",
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"and each type variable appears at most once in the instance head."]
IllegalInstanceHeadReason
InstHeadMultiParam -> TypedThing -> SDoc -> SDoc
with_illegal_instance_header TypedThing
head_ty (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Only one type can be given in an instance head."
InstHeadAbstractClass Class
clas ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Cannot define instance for abstract class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Class -> Name
className Class
clas))
InstHeadNonClass Maybe TyCon
bad_head ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what_illegal SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Instance heads must be of the form"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"C ty_1 ... ty_n"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"where" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Char -> SDoc
forall doc. IsLine doc => Char -> doc
char Char
'C') SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is a class."
]
where
what_illegal :: SDoc
what_illegal = case Maybe TyCon
bad_head of
Just TyCon
tc ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"instance for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> TyConFlavour TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyCon -> TyConFlavour TyCon
tyConFlavour TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Name -> SDoc) -> Name -> SDoc
forall a b. (a -> b) -> a -> b
$ TyCon -> Name
tyConName TyCon
tc)
Maybe TyCon
Nothing ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"head of an instance declaration:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TypedThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TypedThing
head_ty)
with_illegal_instance_header :: TypedThing -> SDoc -> SDoc
TypedThing
head_ty SDoc
msg =
SDoc -> Arity -> SDoc -> SDoc
hang (SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal instance declaration for")
Arity
2 (SDoc -> SDoc
quotes (TypedThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TypedThing
head_ty)) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 SDoc
msg
pprIllegalHasFieldInstance :: IllegalHasFieldInstance -> SDoc
pprIllegalHasFieldInstance :: IllegalHasFieldInstance -> SDoc
pprIllegalHasFieldInstance = \case
IllegalHasFieldInstance
IllegalHasFieldInstanceNotATyCon
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Record data type must be specified."
IllegalHasFieldInstance
IllegalHasFieldInstanceFamilyTyCon
-> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Record data type may not be a data family."
IllegalHasFieldInstanceTyConHasField TyCon
tc FieldLabelString
lbl
-> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"already has a field" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (FieldLabelString -> SDoc
forall a. Outputable a => a -> SDoc
ppr FieldLabelString
lbl) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
IllegalHasFieldInstanceTyConHasFields TyCon
tc Type
lbl
-> [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ SDoc
ppr_tc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"has fields, and the type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
lbl)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"could unify with one of the field labels of" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
ppr_tc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot ]
where ppr_tc :: SDoc
ppr_tc = SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc)
pprNotCovered :: Class -> CoverageProblem -> SDoc
pprNotCovered :: Class -> CoverageProblem -> SDoc
pprNotCovered Class
clas
CoverageProblem
{ not_covered_fundep :: CoverageProblem -> ([TyVar], [TyVar])
not_covered_fundep = ([TyVar], [TyVar])
fd
, not_covered_fundep_inst :: CoverageProblem -> ([Type], [Type])
not_covered_fundep_inst = ([Type]
ls, [Type]
rs)
, not_covered_invis_vis_tvs :: CoverageProblem -> Pair VarSet
not_covered_invis_vis_tvs = Pair VarSet
undetermined_tvs
, not_covered_liberal :: CoverageProblem -> FailedCoverageCondition
not_covered_liberal = FailedCoverageCondition
which_cc_failed
} =
Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen (VarSet -> Bool
isEmptyVarSet (VarSet -> Bool) -> VarSet -> Bool
forall a b. (a -> b) -> a -> b
$ Pair VarSet -> VarSet
forall a. Pair a -> a
pSnd Pair VarSet
undetermined_tvs) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen Bool
liberal ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"liberal")
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"coverage condition fails in class"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
clas)
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"for functional dependency:"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (([TyVar], [TyVar]) -> SDoc
forall a. Outputable a => FunDep a -> SDoc
pprFunDep ([TyVar], [TyVar])
fd) ]
, [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Reason: lhs type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Type] -> SDoc
forall a. [a] -> SDoc
plural [Type]
ls SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Type] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [Type]
ls
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
(if [Type] -> Bool
forall a. [a] -> Bool
isSingleton [Type]
ls
then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not"
else [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"do not jointly")
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"determine rhs type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Type] -> SDoc
forall a. [a] -> SDoc
plural [Type]
rs
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Type] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [Type]
rs ]
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Un-determined variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> VarSet -> SDoc
pluralVarSet VarSet
undet_set SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> VarSet -> ([TyVar] -> SDoc) -> SDoc
pprVarSet VarSet
undet_set ((TyVar -> SDoc) -> [TyVar] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr)
]
where
liberal :: Bool
liberal = case FailedCoverageCondition
which_cc_failed of
FailedCoverageCondition
FailedLICC -> Bool
True
FailedICC {} -> Bool
False
undet_set :: VarSet
undet_set = Pair VarSet -> VarSet
forall m. Monoid m => Pair m -> m
forall (t :: * -> *) m. (Foldable t, Monoid m) => t m -> m
fold Pair VarSet
undetermined_tvs
illegalInstanceHints :: IllegalInstanceReason -> [GhcHint]
illegalInstanceHints :: IllegalInstanceReason -> [GhcHint]
illegalInstanceHints = \case
IllegalClassInstance TypedThing
_ IllegalClassInstanceReason
reason ->
IllegalClassInstanceReason -> [GhcHint]
illegalClassInstanceHints IllegalClassInstanceReason
reason
IllegalFamilyInstance IllegalFamilyInstanceReason
reason ->
IllegalFamilyInstanceReason -> [GhcHint]
illegalFamilyInstanceHints IllegalFamilyInstanceReason
reason
IllegalFamilyApplicationInInstance {} ->
[GhcHint]
noHints
illegalInstanceReason :: IllegalInstanceReason -> DiagnosticReason
illegalInstanceReason :: IllegalInstanceReason -> DiagnosticReason
illegalInstanceReason = \case
IllegalClassInstance TypedThing
_ IllegalClassInstanceReason
reason ->
IllegalClassInstanceReason -> DiagnosticReason
illegalClassInstanceReason IllegalClassInstanceReason
reason
IllegalFamilyInstance IllegalFamilyInstanceReason
reason ->
IllegalFamilyInstanceReason -> DiagnosticReason
illegalFamilyInstanceReason IllegalFamilyInstanceReason
reason
IllegalFamilyApplicationInInstance {} ->
DiagnosticReason
ErrorWithoutFlag
illegalClassInstanceHints :: IllegalClassInstanceReason -> [GhcHint]
illegalClassInstanceHints :: IllegalClassInstanceReason -> [GhcHint]
illegalClassInstanceHints = \case
IllegalInstanceHead IllegalInstanceHeadReason
reason ->
IllegalInstanceHeadReason -> [GhcHint]
illegalInstanceHeadHints IllegalInstanceHeadReason
reason
IllegalHasFieldInstance IllegalHasFieldInstance
has_field_err ->
IllegalHasFieldInstance -> [GhcHint]
illegalHasFieldInstanceHints IllegalHasFieldInstance
has_field_err
IllegalSpecialClassInstance {} -> [GhcHint]
noHints
IllegalInstanceFailsCoverageCondition Class
_ CoverageProblem
coverage_failure ->
CoverageProblem -> [GhcHint]
failedCoverageConditionHints CoverageProblem
coverage_failure
illegalClassInstanceReason :: IllegalClassInstanceReason -> DiagnosticReason
illegalClassInstanceReason :: IllegalClassInstanceReason -> DiagnosticReason
illegalClassInstanceReason = \case
IllegalInstanceHead IllegalInstanceHeadReason
reason ->
IllegalInstanceHeadReason -> DiagnosticReason
illegalInstanceHeadReason IllegalInstanceHeadReason
reason
IllegalHasFieldInstance IllegalHasFieldInstance
has_field_err ->
IllegalHasFieldInstance -> DiagnosticReason
illegalHasFieldInstanceReason IllegalHasFieldInstance
has_field_err
IllegalSpecialClassInstance {} -> DiagnosticReason
ErrorWithoutFlag
IllegalInstanceFailsCoverageCondition Class
_ CoverageProblem
coverage_failure ->
CoverageProblem -> DiagnosticReason
failedCoverageConditionReason CoverageProblem
coverage_failure
illegalInstanceHeadHints :: IllegalInstanceHeadReason -> [GhcHint]
illegalInstanceHeadHints :: IllegalInstanceHeadReason -> [GhcHint]
illegalInstanceHeadHints = \case
IllegalInstanceHeadReason
InstHeadTySynArgs ->
[Extension -> GhcHint
suggestExtension Extension
LangExt.TypeSynonymInstances]
IllegalInstanceHeadReason
InstHeadNonTyVarArgs ->
[Extension -> GhcHint
suggestExtension Extension
LangExt.FlexibleInstances]
IllegalInstanceHeadReason
InstHeadMultiParam ->
[Extension -> GhcHint
suggestExtension Extension
LangExt.MultiParamTypeClasses]
InstHeadAbstractClass {} ->
[GhcHint]
noHints
InstHeadNonClass {} ->
[GhcHint]
noHints
illegalInstanceHeadReason :: IllegalInstanceHeadReason -> DiagnosticReason
illegalInstanceHeadReason :: IllegalInstanceHeadReason -> DiagnosticReason
illegalInstanceHeadReason = \case
InstHeadAbstractClass {} ->
DiagnosticReason
ErrorWithoutFlag
InstHeadNonClass {} ->
DiagnosticReason
ErrorWithoutFlag
IllegalInstanceHeadReason
InstHeadTySynArgs ->
DiagnosticReason
ErrorWithoutFlag
IllegalInstanceHeadReason
InstHeadNonTyVarArgs ->
DiagnosticReason
ErrorWithoutFlag
IllegalInstanceHeadReason
InstHeadMultiParam ->
DiagnosticReason
ErrorWithoutFlag
illegalHasFieldInstanceHints :: IllegalHasFieldInstance -> [GhcHint]
illegalHasFieldInstanceHints :: IllegalHasFieldInstance -> [GhcHint]
illegalHasFieldInstanceHints = \case
IllegalHasFieldInstance
IllegalHasFieldInstanceNotATyCon
-> [GhcHint]
noHints
IllegalHasFieldInstance
IllegalHasFieldInstanceFamilyTyCon
-> [GhcHint]
noHints
IllegalHasFieldInstanceTyConHasField {}
-> [GhcHint]
noHints
IllegalHasFieldInstanceTyConHasFields {}
-> [GhcHint]
noHints
illegalHasFieldInstanceReason :: IllegalHasFieldInstance -> DiagnosticReason
illegalHasFieldInstanceReason :: IllegalHasFieldInstance -> DiagnosticReason
illegalHasFieldInstanceReason = \case
IllegalHasFieldInstance
IllegalHasFieldInstanceNotATyCon
-> DiagnosticReason
ErrorWithoutFlag
IllegalHasFieldInstance
IllegalHasFieldInstanceFamilyTyCon
-> DiagnosticReason
ErrorWithoutFlag
IllegalHasFieldInstanceTyConHasField {}
-> DiagnosticReason
ErrorWithoutFlag
IllegalHasFieldInstanceTyConHasFields {}
-> DiagnosticReason
ErrorWithoutFlag
failedCoverageConditionHints :: CoverageProblem -> [GhcHint]
failedCoverageConditionHints :: CoverageProblem -> [GhcHint]
failedCoverageConditionHints (CoverageProblem { not_covered_liberal :: CoverageProblem -> FailedCoverageCondition
not_covered_liberal = FailedCoverageCondition
failed_cc })
= case FailedCoverageCondition
failed_cc of
FailedCoverageCondition
FailedLICC -> [GhcHint]
noHints
FailedICC { alsoFailedLICC :: FailedCoverageCondition -> Bool
alsoFailedLICC = Bool
failed_licc } ->
if Bool
failed_licc
then [GhcHint]
noHints
else [Extension -> GhcHint
suggestExtension Extension
LangExt.UndecidableInstances]
failedCoverageConditionReason :: CoverageProblem -> DiagnosticReason
failedCoverageConditionReason :: CoverageProblem -> DiagnosticReason
failedCoverageConditionReason CoverageProblem
_ = DiagnosticReason
ErrorWithoutFlag
pprIllegalFamilyInstance :: IllegalFamilyInstanceReason -> SDoc
pprIllegalFamilyInstance :: IllegalFamilyInstanceReason -> SDoc
pprIllegalFamilyInstance = \case
InvalidAssoc InvalidAssoc
reason -> InvalidAssoc -> SDoc
pprInvalidAssoc InvalidAssoc
reason
NotAFamilyTyCon TypeOrData
ty_or_data TyCon
tc ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal family instance for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc)
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what) ]
where
what :: SDoc
what = TypeOrData -> SDoc
forall a. Outputable a => a -> SDoc
ppr TypeOrData
ty_or_data SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"family"
NotAnOpenFamilyTyCon TyCon
tc ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal instance for closed family" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc)
FamilyCategoryMismatch TyCon
tc ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Wrong category of family instance; declaration was for a" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
where
what :: SDoc
what = case TyCon -> TyConFlavour TyCon
tyConFlavour TyCon
tc of
OpenFamilyFlavour TypeOrData
IAmData Maybe TyCon
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"data family"
TyConFlavour TyCon
_ -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type family"
FamilyArityMismatch TyCon
_ Arity
max_args ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Number of parameters must match family declaration; expected"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Arity -> SDoc
forall a. Outputable a => a -> SDoc
ppr Arity
max_args SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
TyFamNameMismatch Name
fam_tc_name Name
eqn_tc_name ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Mismatched type name in type family instance.")
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
fam_tc_name
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" Actual:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
eqn_tc_name ])
FamInstRHSOutOfScopeTyVars Maybe (TyCon, [Type], VarSet)
mb_dodgy (NonEmpty Name -> [Name]
forall a. NonEmpty a -> [a]
NE.toList -> [Name]
tvs) ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Out of scope type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Name] -> SDoc
forall a. [a] -> SDoc
plural [Name]
tvs
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (Name -> SDoc) -> [Name] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas (SDoc -> SDoc
quotes (SDoc -> SDoc) -> (Name -> SDoc) -> Name -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr) [Name]
tvs
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the RHS of a family instance.")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"All such variables must be bound on the LHS.")
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SDoc
mk_extra
where
mk_extra :: SDoc
mk_extra = case Maybe (TyCon, [Type], VarSet)
mb_dodgy of
Maybe (TyCon, [Type], VarSet)
Nothing -> SDoc
forall doc. IsOutput doc => doc
empty
Just (TyCon
fam_tc, [Type]
pats, VarSet
dodgy_tvs) ->
Bool -> SDoc -> SDoc
forall doc. IsOutput doc => Bool -> doc -> doc
ppWhen ((Unique -> Bool) -> [Unique] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any (Unique -> VarSet -> Bool
`elemVarSetByKey` VarSet
dodgy_tvs) ((Name -> Unique) -> [Name] -> [Unique]
forall a b. (a -> b) -> [a] -> [b]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap Name -> Unique
nameUnique [Name]
tvs)) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The real LHS (expanding synonyms) is:")
Arity
2 (TyCon -> [Type] -> SDoc
pprTypeApp TyCon
fam_tc ((Type -> Type) -> [Type] -> [Type]
forall a b. (a -> b) -> [a] -> [b]
map Type -> Type
expandTypeSynonyms [Type]
pats))
FamInstLHSUnusedBoundTyVars (NonEmpty InvalidFamInstQTv -> [InvalidFamInstQTv]
forall a. NonEmpty a -> [a]
NE.toList -> [InvalidFamInstQTv]
bad_qtvs) ->
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ SDoc
not_bound_msg, SDoc
not_used_msg, SDoc
dodgy_msg ]
where
filter_user :: [InvalidFamInstQTv] -> [TyVar]
filter_user [InvalidFamInstQTv]
tvs
= (InvalidFamInstQTv -> TyVar) -> [InvalidFamInstQTv] -> [TyVar]
forall a b. (a -> b) -> [a] -> [b]
map InvalidFamInstQTv -> TyVar
ifiqtv
([InvalidFamInstQTv] -> [TyVar]) -> [InvalidFamInstQTv] -> [TyVar]
forall a b. (a -> b) -> a -> b
$ case (InvalidFamInstQTv -> Bool)
-> [InvalidFamInstQTv] -> [InvalidFamInstQTv]
forall a. (a -> Bool) -> [a] -> [a]
filter InvalidFamInstQTv -> Bool
ifiqtv_user_written [InvalidFamInstQTv]
tvs of { [] -> [InvalidFamInstQTv]
tvs ; [InvalidFamInstQTv]
qvs -> [InvalidFamInstQTv]
qvs }
([TyVar]
not_bound, [TyVar]
not_used, [TyVar]
dodgy)
= case (InvalidFamInstQTv
-> ([InvalidFamInstQTv], [InvalidFamInstQTv], [InvalidFamInstQTv])
-> ([InvalidFamInstQTv], [InvalidFamInstQTv], [InvalidFamInstQTv]))
-> ([InvalidFamInstQTv], [InvalidFamInstQTv], [InvalidFamInstQTv])
-> [InvalidFamInstQTv]
-> ([InvalidFamInstQTv], [InvalidFamInstQTv], [InvalidFamInstQTv])
forall a b. (a -> b -> b) -> b -> [a] -> b
forall (t :: * -> *) a b.
Foldable t =>
(a -> b -> b) -> b -> t a -> b
foldr InvalidFamInstQTv
-> ([InvalidFamInstQTv], [InvalidFamInstQTv], [InvalidFamInstQTv])
-> ([InvalidFamInstQTv], [InvalidFamInstQTv], [InvalidFamInstQTv])
acc_tv ([], [], []) [InvalidFamInstQTv]
bad_qtvs of
([InvalidFamInstQTv]
nb, [InvalidFamInstQTv]
nu, [InvalidFamInstQTv]
d) -> ([InvalidFamInstQTv] -> [TyVar]
filter_user [InvalidFamInstQTv]
nb, [InvalidFamInstQTv] -> [TyVar]
filter_user [InvalidFamInstQTv]
nu, [InvalidFamInstQTv] -> [TyVar]
filter_user [InvalidFamInstQTv]
d)
acc_tv :: InvalidFamInstQTv
-> ([InvalidFamInstQTv], [InvalidFamInstQTv], [InvalidFamInstQTv])
-> ([InvalidFamInstQTv], [InvalidFamInstQTv], [InvalidFamInstQTv])
acc_tv InvalidFamInstQTv
tv ([InvalidFamInstQTv]
nb, [InvalidFamInstQTv]
nu, [InvalidFamInstQTv]
d) = case InvalidFamInstQTv -> InvalidFamInstQTvReason
ifiqtv_reason InvalidFamInstQTv
tv of
InvalidFamInstQTvReason
InvalidFamInstQTvNotUsedInRHS -> ([InvalidFamInstQTv]
nb, InvalidFamInstQTv
tv InvalidFamInstQTv -> [InvalidFamInstQTv] -> [InvalidFamInstQTv]
forall a. a -> [a] -> [a]
: [InvalidFamInstQTv]
nu, [InvalidFamInstQTv]
d)
InvalidFamInstQTvReason
InvalidFamInstQTvNotBoundInPats -> (InvalidFamInstQTv
tv InvalidFamInstQTv -> [InvalidFamInstQTv] -> [InvalidFamInstQTv]
forall a. a -> [a] -> [a]
: [InvalidFamInstQTv]
nb, [InvalidFamInstQTv]
nu, [InvalidFamInstQTv]
d)
InvalidFamInstQTvReason
InvalidFamInstQTvDodgy -> ([InvalidFamInstQTv]
nb, [InvalidFamInstQTv]
nu, InvalidFamInstQTv
tv InvalidFamInstQTv -> [InvalidFamInstQTv] -> [InvalidFamInstQTv]
forall a. a -> [a] -> [a]
: [InvalidFamInstQTv]
d)
not_bound_msg :: SDoc
not_bound_msg
| [TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
not_bound
= SDoc
forall doc. IsOutput doc => doc
empty
| Bool
otherwise
= [SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
not_bound SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
not_bound
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. [a] -> SDoc
isOrAre [TyVar]
not_bound SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound by a forall,"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. [a] -> SDoc
doOrDoes [TyVar]
not_bound SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"not appear in any of the LHS patterns of the family instance." ]
not_used_msg :: SDoc
not_used_msg =
if [TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
not_used
then SDoc
forall doc. IsOutput doc => doc
empty
else [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
not_used SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
not_used
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. [a] -> SDoc
isOrAre [TyVar]
not_used SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"bound by a forall," SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. [a] -> SDoc
itOrThey [TyVar]
not_used SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[TyVar] -> SDoc
forall a. [a] -> SDoc
isOrAre [TyVar]
not_used SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"n't used in the family instance."
dodgy_msg :: SDoc
dodgy_msg
| [TyVar] -> Bool
forall a. [a] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [TyVar]
dodgy
= SDoc
forall doc. IsOutput doc => doc
empty
| Bool
otherwise
= SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Dodgy type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
dodgy SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
dodgy
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the LHS of a family instance:")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the type variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
dodgy SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. Outputable a => [a] -> SDoc
pprQuotedList [TyVar]
dodgy
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"syntactically appear" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
singular [TyVar]
dodgy SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in LHS patterns,"
SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"but" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. [a] -> SDoc
itOrThey [TyVar]
dodgy SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [TyVar] -> SDoc
forall a. [a] -> SDoc
doOrDoes [TyVar]
dodgy SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"n't appear in an injective position.")
illegalFamilyInstanceHints :: IllegalFamilyInstanceReason -> [GhcHint]
illegalFamilyInstanceHints :: IllegalFamilyInstanceReason -> [GhcHint]
illegalFamilyInstanceHints = \case
InvalidAssoc InvalidAssoc
rea -> InvalidAssoc -> [GhcHint]
invalidAssocHints InvalidAssoc
rea
NotAFamilyTyCon {} -> [GhcHint]
noHints
NotAnOpenFamilyTyCon {} -> [GhcHint]
noHints
FamilyCategoryMismatch {} -> [GhcHint]
noHints
FamilyArityMismatch {} -> [GhcHint]
noHints
TyFamNameMismatch {} -> [GhcHint]
noHints
FamInstRHSOutOfScopeTyVars {} -> [GhcHint]
noHints
FamInstLHSUnusedBoundTyVars {} -> [GhcHint]
noHints
illegalFamilyInstanceReason :: IllegalFamilyInstanceReason -> DiagnosticReason
illegalFamilyInstanceReason :: IllegalFamilyInstanceReason -> DiagnosticReason
illegalFamilyInstanceReason = \case
InvalidAssoc InvalidAssoc
rea -> InvalidAssoc -> DiagnosticReason
invalidAssocReason InvalidAssoc
rea
NotAFamilyTyCon {} -> DiagnosticReason
ErrorWithoutFlag
NotAnOpenFamilyTyCon {} -> DiagnosticReason
ErrorWithoutFlag
FamilyCategoryMismatch {} -> DiagnosticReason
ErrorWithoutFlag
FamilyArityMismatch {} -> DiagnosticReason
ErrorWithoutFlag
TyFamNameMismatch {} -> DiagnosticReason
ErrorWithoutFlag
FamInstRHSOutOfScopeTyVars {} -> DiagnosticReason
ErrorWithoutFlag
FamInstLHSUnusedBoundTyVars {} -> DiagnosticReason
ErrorWithoutFlag
pprInvalidAssoc :: InvalidAssoc -> SDoc
pprInvalidAssoc :: InvalidAssoc -> SDoc
pprInvalidAssoc = \case
InvalidAssocInstance InvalidAssocInstance
rea -> InvalidAssocInstance -> SDoc
pprInvalidAssocInstance InvalidAssocInstance
rea
InvalidAssocDefault InvalidAssocDefault
rea -> InvalidAssocDefault -> SDoc
pprInvalidAssocDefault InvalidAssocDefault
rea
pprInvalidAssocInstance :: InvalidAssocInstance -> SDoc
pprInvalidAssocInstance :: InvalidAssocInstance -> SDoc
pprInvalidAssocInstance = \case
AssocInstanceMissing Name
name ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No explicit" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"associated type"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or default declaration for"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name)
AssocInstanceNotInAClass TyCon
fam_tc ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Associated type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
fam_tc) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must be inside a class instance"
AssocNotInThisClass Class
cls TyCon
fam_tc ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Class", SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not have an associated type", SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
fam_tc) ]
AssocNoClassTyVar Class
cls TyCon
fam_tc ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The associated type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
fam_tc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep ((TyVar -> SDoc) -> [TyVar] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyCon -> [TyVar]
tyConTyVars TyCon
fam_tc)))
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"mentions none of the type or kind variables of the class" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes (Class -> SDoc
forall a. Outputable a => a -> SDoc
ppr Class
cls SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep ((TyVar -> SDoc) -> [TyVar] -> [SDoc]
forall a b. (a -> b) -> [a] -> [b]
map TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr (Class -> [TyVar]
classTyVars Class
cls)))]
AssocTyVarsDontMatch ForAllTyFlag
vis TyCon
fam_tc [Type]
exp_tys [Type]
act_tys ->
Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen (ForAllTyFlag -> Bool
isInvisibleForAllTyFlag ForAllTyFlag
vis) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Type indexes must match class instance head"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Expected:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Type] -> SDoc
pp [Type]
exp_tys
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
" Actual:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Type] -> SDoc
pp [Type]
act_tys ]
where
pp :: [Type] -> SDoc
pp [Type]
tys = PprPrec -> IfaceTyCon -> IfaceAppArgs -> SDoc
pprIfaceTypeApp PprPrec
topPrec (TyCon -> IfaceTyCon
toIfaceTyCon TyCon
fam_tc) (IfaceAppArgs -> SDoc) -> IfaceAppArgs -> SDoc
forall a b. (a -> b) -> a -> b
$
TyCon -> [Type] -> IfaceAppArgs
toIfaceTcArgs TyCon
fam_tc [Type]
tys
pprInvalidAssocDefault :: InvalidAssocDefault -> SDoc
pprInvalidAssocDefault :: InvalidAssocDefault -> SDoc
pprInvalidAssocDefault = \case
AssocDefaultNotAssoc Name
cls Name
tc ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Class", SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
cls)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"does not have an associated type", SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
tc) ]
AssocMultipleDefaults Name
name ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"More than one default declaration for" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name)
AssocDefaultBadArgs TyCon
fam_tc [Type]
pat_tys AssocDefaultBadArgs
bad_arg ->
let (ForAllTyFlag
pat_vis, SDoc
main_msg) = case AssocDefaultBadArgs
bad_arg of
AssocDefaultNonTyVarArg (Type
pat_ty, ForAllTyFlag
pat_vis) ->
(ForAllTyFlag
pat_vis,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal argument" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
pat_ty) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in:")
AssocDefaultDuplicateTyVars NonEmpty (TyVar, ForAllTyFlag)
dups ->
let (TyVar
pat_tv, ForAllTyFlag
pat_vis) = NonEmpty (TyVar, ForAllTyFlag) -> (TyVar, ForAllTyFlag)
forall a. NonEmpty a -> a
NE.head NonEmpty (TyVar, ForAllTyFlag)
dups
in (ForAllTyFlag
pat_vis,
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal duplicate variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
pat_tv) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in:")
in Bool -> SDoc -> SDoc
pprWithInvisibleBitsWhen (ForAllTyFlag -> Bool
isInvisibleForAllTyFlag ForAllTyFlag
pat_vis) (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang SDoc
main_msg
Arity
2 ([SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [SDoc
ppr_eqn, SDoc
suggestion])
where
ppr_eqn :: SDoc
ppr_eqn :: SDoc
ppr_eqn =
SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"type" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr (TyCon -> [Type] -> Type
mkTyConApp TyCon
fam_tc [Type]
pat_tys)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
forall doc. IsLine doc => doc
equals SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"...")
suggestion :: SDoc
suggestion :: SDoc
suggestion = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The arguments to" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
fam_tc)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must all be distinct type variables."
invalidAssocHints :: InvalidAssoc -> [GhcHint]
invalidAssocHints :: InvalidAssoc -> [GhcHint]
invalidAssocHints = \case
InvalidAssocInstance InvalidAssocInstance
rea -> InvalidAssocInstance -> [GhcHint]
invalidAssocInstanceHints InvalidAssocInstance
rea
InvalidAssocDefault InvalidAssocDefault
rea -> InvalidAssocDefault -> [GhcHint]
invalidAssocDefaultHints InvalidAssocDefault
rea
invalidAssocInstanceHints :: InvalidAssocInstance -> [GhcHint]
invalidAssocInstanceHints :: InvalidAssocInstance -> [GhcHint]
invalidAssocInstanceHints = \case
AssocInstanceMissing {} -> [GhcHint]
noHints
AssocInstanceNotInAClass {} -> [GhcHint]
noHints
AssocNotInThisClass {} -> [GhcHint]
noHints
AssocNoClassTyVar {} -> [GhcHint]
noHints
AssocTyVarsDontMatch {} -> [GhcHint]
noHints
invalidAssocDefaultHints :: InvalidAssocDefault -> [GhcHint]
invalidAssocDefaultHints :: InvalidAssocDefault -> [GhcHint]
invalidAssocDefaultHints = \case
AssocDefaultNotAssoc {} -> [GhcHint]
noHints
AssocMultipleDefaults {} -> [GhcHint]
noHints
AssocDefaultBadArgs TyCon
_ [Type]
_ AssocDefaultBadArgs
bad ->
AssocDefaultBadArgs -> [GhcHint]
assocDefaultBadArgHints AssocDefaultBadArgs
bad
assocDefaultBadArgHints :: AssocDefaultBadArgs -> [GhcHint]
assocDefaultBadArgHints :: AssocDefaultBadArgs -> [GhcHint]
assocDefaultBadArgHints = \case
AssocDefaultNonTyVarArg {} -> [GhcHint]
noHints
AssocDefaultDuplicateTyVars {} -> [GhcHint]
noHints
invalidAssocReason :: InvalidAssoc -> DiagnosticReason
invalidAssocReason :: InvalidAssoc -> DiagnosticReason
invalidAssocReason = \case
InvalidAssocInstance InvalidAssocInstance
rea -> InvalidAssocInstance -> DiagnosticReason
invalidAssocInstanceReason InvalidAssocInstance
rea
InvalidAssocDefault InvalidAssocDefault
rea -> InvalidAssocDefault -> DiagnosticReason
invalidAssocDefaultReason InvalidAssocDefault
rea
invalidAssocInstanceReason :: InvalidAssocInstance -> DiagnosticReason
invalidAssocInstanceReason :: InvalidAssocInstance -> DiagnosticReason
invalidAssocInstanceReason = \case
AssocInstanceMissing {} -> WarningFlag -> DiagnosticReason
WarningWithFlag (WarningFlag
Opt_WarnMissingMethods)
AssocInstanceNotInAClass {} -> DiagnosticReason
ErrorWithoutFlag
AssocNotInThisClass {} -> DiagnosticReason
ErrorWithoutFlag
AssocNoClassTyVar {} -> DiagnosticReason
ErrorWithoutFlag
AssocTyVarsDontMatch {} -> DiagnosticReason
ErrorWithoutFlag
invalidAssocDefaultReason :: InvalidAssocDefault -> DiagnosticReason
invalidAssocDefaultReason :: InvalidAssocDefault -> DiagnosticReason
invalidAssocDefaultReason = \case
AssocDefaultNotAssoc {} -> DiagnosticReason
ErrorWithoutFlag
AssocMultipleDefaults {} -> DiagnosticReason
ErrorWithoutFlag
AssocDefaultBadArgs TyCon
_ [Type]
_ AssocDefaultBadArgs
rea ->
AssocDefaultBadArgs -> DiagnosticReason
assocDefaultBadArgReason AssocDefaultBadArgs
rea
assocDefaultBadArgReason :: AssocDefaultBadArgs -> DiagnosticReason
assocDefaultBadArgReason :: AssocDefaultBadArgs -> DiagnosticReason
assocDefaultBadArgReason = \case
AssocDefaultNonTyVarArg {} -> DiagnosticReason
ErrorWithoutFlag
AssocDefaultDuplicateTyVars {} -> DiagnosticReason
ErrorWithoutFlag
pprTHError :: THError -> DecoratedSDoc
pprTHError :: THError -> DecoratedSDoc
pprTHError = \case
THSyntaxError THSyntaxError
err -> THSyntaxError -> DecoratedSDoc
pprTHSyntaxError THSyntaxError
err
THNameError THNameError
err -> THNameError -> DecoratedSDoc
pprTHNameError THNameError
err
THReifyError THReifyError
err -> THReifyError -> DecoratedSDoc
pprTHReifyError THReifyError
err
TypedTHError TypedTHError
err -> TypedTHError -> DecoratedSDoc
pprTypedTHError TypedTHError
err
THSpliceFailed SpliceFailReason
rea -> SpliceFailReason -> DecoratedSDoc
pprSpliceFailReason SpliceFailReason
rea
AddTopDeclsError AddTopDeclsError
err -> AddTopDeclsError -> DecoratedSDoc
pprAddTopDeclsError AddTopDeclsError
err
IllegalStaticFormInSplice HsExpr GhcPs
e ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"static forms cannot be used in splices:"
, Arity -> SDoc -> SDoc
nest Arity
2 (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ HsExpr GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsExpr GhcPs
e
]
FailedToLookupThInstName Type
th_type LookupTHInstNameErrReason
reason ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
case LookupTHInstNameErrReason
reason of
LookupTHInstNameErrReason
NoMatchesFound ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Couldn't find any instances of"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (Type -> [Char]
forall a. Ppr a => a -> [Char]
TH.pprint Type
th_type)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"to add documentation to"
LookupTHInstNameErrReason
CouldNotDetermineInstance ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Couldn't work out what instance"
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (Type -> [Char]
forall a. Ppr a => a -> [Char]
TH.pprint Type
th_type)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is supposed to be"
AddInvalidCorePlugin [Char]
plugin ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"addCorePlugin: invalid plugin module" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
plugin) )
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Plugins in the current package can't be specified.")
AddDocToNonLocalDefn DocLoc
doc_loc ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Can't add documentation to" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> DocLoc -> SDoc
forall {b}. IsLine b => DocLoc -> b
ppr_loc DocLoc
doc_loc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
comma SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"as it isn't inside the current module."
where
ppr_loc :: DocLoc -> b
ppr_loc (TH.DeclDoc Name
n) = [Char] -> b
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> b) -> [Char] -> b
forall a b. (a -> b) -> a -> b
$ Name -> [Char]
forall a. Ppr a => a -> [Char]
TH.pprint Name
n
ppr_loc (TH.ArgDoc Name
n Arity
_) = [Char] -> b
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> b) -> [Char] -> b
forall a b. (a -> b) -> a -> b
$ Name -> [Char]
forall a. Ppr a => a -> [Char]
TH.pprint Name
n
ppr_loc (TH.InstDoc Type
t) = [Char] -> b
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> b) -> [Char] -> b
forall a b. (a -> b) -> a -> b
$ Type -> [Char]
forall a. Ppr a => a -> [Char]
TH.pprint Type
t
ppr_loc DocLoc
TH.ModuleDoc = [Char] -> b
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the module header"
ReportCustomQuasiError Bool
_ [Char]
msg -> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
msg
pprTHSyntaxError :: THSyntaxError -> DecoratedSDoc
pprTHSyntaxError :: THSyntaxError -> DecoratedSDoc
pprTHSyntaxError = SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc)
-> (THSyntaxError -> SDoc) -> THSyntaxError -> DecoratedSDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. \case
IllegalTHQuotes HsExpr GhcPs
expr ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Syntax error on" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsExpr GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsExpr GhcPs
expr
THSyntaxError
BadImplicitSplice ->
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Parse error: module header, import declaration"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"or top-level declaration expected." ]
THSyntaxError
IllegalTHSplice ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Unexpected top-level splice."
MismatchedSpliceType SpliceType
splice_type SpliceOrBracket
inner_splice_or_bracket ->
SDoc
inner SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"may not appear in" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
outer SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
where
(SDoc
inner, SDoc
outer) = case SpliceOrBracket
inner_splice_or_bracket of
SpliceOrBracket
IsSplice -> case SpliceType
splice_type of
SpliceType
Typed -> ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Typed splices" , [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"untyped brackets")
SpliceType
Untyped -> ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Untyped splices", [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"typed brackets")
SpliceOrBracket
IsBracket ->
case SpliceType
splice_type of
SpliceType
Typed -> ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Untyped brackets", [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"typed splices")
SpliceType
Untyped -> ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Typed brackets" , [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"untyped splices")
THSyntaxError
NestedTHBrackets ->
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Template Haskell brackets cannot be nested" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"(without intervening splices)"
pprTHNameError :: THNameError -> DecoratedSDoc
pprTHNameError :: THNameError -> DecoratedSDoc
pprTHNameError = \case
NonExactName RdrName
name ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The binder" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (RdrName -> SDoc
forall a. Outputable a => a -> SDoc
ppr RdrName
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a NameU.")
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Probable cause: you used mkName instead of newName to generate a binding.")
QuotedNameWrongStage HsQuote GhcPs
quote ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Stage error: the non-top-level quoted name" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> HsQuote GhcPs -> SDoc
forall a. Outputable a => a -> SDoc
ppr HsQuote GhcPs
quote
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"must be used at the same stage at which it is bound." ]
pprTHReifyError :: THReifyError -> DecoratedSDoc
pprTHReifyError :: THReifyError -> DecoratedSDoc
pprTHReifyError = \case
CannotReifyInstance Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"reifyInstances:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not a class constraint or type family application")
CannotReifyOutOfScopeThing Name
th_name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (Name -> [Char]
forall a. Ppr a => a -> [Char]
TH.pprint Name
th_name)) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not in scope at a reify"
CannotReifyThingNotInTypeEnv Name
name
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
SDoc -> SDoc
quotes (Name -> SDoc
forall a. Outputable a => a -> SDoc
ppr Name
name) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is not in the type environment at a reify"
NoRolesAssociatedWithThing TcTyThing
thing
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"No roles associated with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> (TcTyThing -> SDoc
forall a. Outputable a => a -> SDoc
ppr TcTyThing
thing)
CannotRepresentType UnrepresentableTypeDescr
sort Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
hsep [[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Can't represent" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
sort_doc SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in Template Haskell:",
Arity -> SDoc -> SDoc
nest Arity
2 (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty)]
where
sort_doc :: SDoc
sort_doc = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text ([Char] -> SDoc) -> [Char] -> SDoc
forall a b. (a -> b) -> a -> b
$
case UnrepresentableTypeDescr
sort of
UnrepresentableTypeDescr
LinearInvisibleArgument -> [Char]
"linear invisible argument"
UnrepresentableTypeDescr
CoercionsInTypes -> [Char]
"coercions in types"
pprTypedTHError :: TypedTHError -> DecoratedSDoc
pprTypedTHError :: TypedTHError -> DecoratedSDoc
pprTypedTHError = \case
SplicePolymorphicLocalVar TyVar
ident
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Can't splice the polymorphic local variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyVar
ident)
TypedTHWithPolyType Type
ty
-> SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal polytype:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
ty
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The type of a Typed Template Haskell expression must" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"not have any quantification." ]
pprSpliceFailReason :: SpliceFailReason -> DecoratedSDoc
pprSpliceFailReason :: SpliceFailReason -> DecoratedSDoc
pprSpliceFailReason = \case
SpliceThrewException SplicePhase
phase SomeException
_exn [Char]
exn_msg LHsExpr GhcTc
expr Bool
show_code ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsDoc doc => [doc] -> doc
vcat [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Exception when trying to" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
phaseStr SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"compile-time code:"
, Arity -> SDoc -> SDoc
nest Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
exn_msg)
, if Bool
show_code then [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Code:" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> GenLocated SrcSpanAnnA (HsExpr GhcTc) -> SDoc
forall a. Outputable a => a -> SDoc
ppr LHsExpr GhcTc
GenLocated SrcSpanAnnA (HsExpr GhcTc)
expr else SDoc
forall doc. IsOutput doc => doc
empty]
where phaseStr :: [Char]
phaseStr =
case SplicePhase
phase of
SplicePhase
SplicePhase_Run -> [Char]
"run"
SplicePhase
SplicePhase_CompileAndLink -> [Char]
"compile and link"
RunSpliceFailure RunSpliceFailReason
err -> Maybe [Char] -> RunSpliceFailReason -> DecoratedSDoc
pprRunSpliceFailure Maybe [Char]
forall a. Maybe a
Nothing RunSpliceFailReason
err
pprAddTopDeclsError :: AddTopDeclsError -> DecoratedSDoc
pprAddTopDeclsError :: AddTopDeclsError -> DecoratedSDoc
pprAddTopDeclsError = \case
InvalidTopDecl HsDecl GhcPs
_decl ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Only function, value, annotation, and foreign import declarations"
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"may be added with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"addTopDecls") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot ]
AddTopDeclsUnexpectedDeclarationSplice {} ->
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Declaration splices are not permitted" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"inside top-level declarations added with" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"addTopDecls") SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
dot
AddTopDeclsRunSpliceFailure RunSpliceFailReason
err ->
Maybe [Char] -> RunSpliceFailReason -> DecoratedSDoc
pprRunSpliceFailure ([Char] -> Maybe [Char]
forall a. a -> Maybe a
Just [Char]
"addTopDecls") RunSpliceFailReason
err
pprRunSpliceFailure :: Maybe String -> RunSpliceFailReason -> DecoratedSDoc
pprRunSpliceFailure :: Maybe [Char] -> RunSpliceFailReason -> DecoratedSDoc
pprRunSpliceFailure Maybe [Char]
mb_calling_fn (ConversionFail ThingBeingConverted
what ConversionFailReason
reason) =
SDoc -> DecoratedSDoc
mkSimpleDecorated (SDoc -> DecoratedSDoc) -> (SDoc -> SDoc) -> SDoc -> DecoratedSDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. SDoc -> SDoc
add_calling_fn (SDoc -> SDoc) -> (SDoc -> SDoc) -> SDoc -> SDoc
forall b c a. (b -> c) -> (a -> b) -> a -> c
. SDoc -> SDoc
addSpliceInfo (SDoc -> DecoratedSDoc) -> SDoc -> DecoratedSDoc
forall a b. (a -> b) -> a -> b
$
ConversionFailReason -> SDoc
pprConversionFailReason ConversionFailReason
reason
where
add_calling_fn :: SDoc -> SDoc
add_calling_fn SDoc
rest =
case Maybe [Char]
mb_calling_fn of
Just [Char]
calling_fn ->
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Error in a declaration passed to" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
calling_fn) SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 SDoc
rest
Maybe [Char]
Nothing -> SDoc
rest
addSpliceInfo :: SDoc -> SDoc
addSpliceInfo = case ThingBeingConverted
what of
ConvDec Dec
d -> [Char] -> Dec -> SDoc -> SDoc
forall {a}. (Show a, Ppr a) => [Char] -> a -> SDoc -> SDoc
addSliceInfo' [Char]
"declaration" Dec
d
ConvExp Exp
e -> [Char] -> Exp -> SDoc -> SDoc
forall {a}. (Show a, Ppr a) => [Char] -> a -> SDoc -> SDoc
addSliceInfo' [Char]
"expression" Exp
e
ConvPat Pat
p -> [Char] -> Pat -> SDoc -> SDoc
forall {a}. (Show a, Ppr a) => [Char] -> a -> SDoc -> SDoc
addSliceInfo' [Char]
"pattern" Pat
p
ConvType Type
t -> [Char] -> Type -> SDoc -> SDoc
forall {a}. (Show a, Ppr a) => [Char] -> a -> SDoc -> SDoc
addSliceInfo' [Char]
"type" Type
t
addSliceInfo' :: [Char] -> a -> SDoc -> SDoc
addSliceInfo' [Char]
what a
item SDoc
reasonErr = SDoc
reasonErr SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$ SDoc
descr
where
descr :: SDoc
descr = SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"When splicing a TH" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
what SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> SDoc
forall doc. IsLine doc => doc
colon)
Arity
2 ((Bool -> SDoc) -> SDoc
forall doc. IsOutput doc => (Bool -> doc) -> doc
getPprDebug ((Bool -> SDoc) -> SDoc) -> (Bool -> SDoc) -> SDoc
forall a b. (a -> b) -> a -> b
$ \case
Bool
True -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (a -> [Char]
forall a. Show a => a -> [Char]
show a
item)
Bool
False -> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text (a -> [Char]
forall a. Ppr a => a -> [Char]
TH.pprint a
item))
thErrorReason :: THError -> DiagnosticReason
thErrorReason :: THError -> DiagnosticReason
thErrorReason = \case
THSyntaxError THSyntaxError
err -> THSyntaxError -> DiagnosticReason
thSyntaxErrorReason THSyntaxError
err
THNameError THNameError
err -> THNameError -> DiagnosticReason
thNameErrorReason THNameError
err
THReifyError THReifyError
err -> THReifyError -> DiagnosticReason
thReifyErrorReason THReifyError
err
TypedTHError TypedTHError
err -> TypedTHError -> DiagnosticReason
typedTHErrorReason TypedTHError
err
THSpliceFailed SpliceFailReason
rea -> SpliceFailReason -> DiagnosticReason
spliceFailedReason SpliceFailReason
rea
AddTopDeclsError AddTopDeclsError
err -> AddTopDeclsError -> DiagnosticReason
addTopDeclsErrorReason AddTopDeclsError
err
IllegalStaticFormInSplice {} -> DiagnosticReason
ErrorWithoutFlag
FailedToLookupThInstName {} -> DiagnosticReason
ErrorWithoutFlag
AddInvalidCorePlugin {} -> DiagnosticReason
ErrorWithoutFlag
AddDocToNonLocalDefn {} -> DiagnosticReason
ErrorWithoutFlag
ReportCustomQuasiError Bool
is_error [Char]
_ ->
if Bool
is_error
then DiagnosticReason
ErrorWithoutFlag
else DiagnosticReason
WarningWithoutFlag
thSyntaxErrorReason :: THSyntaxError -> DiagnosticReason
thSyntaxErrorReason :: THSyntaxError -> DiagnosticReason
thSyntaxErrorReason = \case
IllegalTHQuotes{} -> DiagnosticReason
ErrorWithoutFlag
THSyntaxError
BadImplicitSplice -> DiagnosticReason
ErrorWithoutFlag
IllegalTHSplice{} -> DiagnosticReason
ErrorWithoutFlag
NestedTHBrackets{} -> DiagnosticReason
ErrorWithoutFlag
MismatchedSpliceType{} -> DiagnosticReason
ErrorWithoutFlag
thNameErrorReason :: THNameError -> DiagnosticReason
thNameErrorReason :: THNameError -> DiagnosticReason
thNameErrorReason = \case
NonExactName {} -> DiagnosticReason
ErrorWithoutFlag
QuotedNameWrongStage {} -> DiagnosticReason
ErrorWithoutFlag
thReifyErrorReason :: THReifyError -> DiagnosticReason
thReifyErrorReason :: THReifyError -> DiagnosticReason
thReifyErrorReason = \case
CannotReifyInstance {} -> DiagnosticReason
ErrorWithoutFlag
CannotReifyOutOfScopeThing {} -> DiagnosticReason
ErrorWithoutFlag
CannotReifyThingNotInTypeEnv {} -> DiagnosticReason
ErrorWithoutFlag
NoRolesAssociatedWithThing {} -> DiagnosticReason
ErrorWithoutFlag
CannotRepresentType {} -> DiagnosticReason
ErrorWithoutFlag
typedTHErrorReason :: TypedTHError -> DiagnosticReason
typedTHErrorReason :: TypedTHError -> DiagnosticReason
typedTHErrorReason = \case
SplicePolymorphicLocalVar {} -> DiagnosticReason
ErrorWithoutFlag
TypedTHWithPolyType {} -> DiagnosticReason
ErrorWithoutFlag
spliceFailedReason :: SpliceFailReason -> DiagnosticReason
spliceFailedReason :: SpliceFailReason -> DiagnosticReason
spliceFailedReason = \case
SpliceThrewException {} -> DiagnosticReason
ErrorWithoutFlag
RunSpliceFailure {} -> DiagnosticReason
ErrorWithoutFlag
addTopDeclsErrorReason :: AddTopDeclsError -> DiagnosticReason
addTopDeclsErrorReason :: AddTopDeclsError -> DiagnosticReason
addTopDeclsErrorReason = \case
InvalidTopDecl {}
-> DiagnosticReason
ErrorWithoutFlag
AddTopDeclsUnexpectedDeclarationSplice {}
-> DiagnosticReason
ErrorWithoutFlag
AddTopDeclsRunSpliceFailure {}
-> DiagnosticReason
ErrorWithoutFlag
thErrorHints :: THError -> [GhcHint]
thErrorHints :: THError -> [GhcHint]
thErrorHints = \case
THSyntaxError THSyntaxError
err -> THSyntaxError -> [GhcHint]
thSyntaxErrorHints THSyntaxError
err
THNameError THNameError
err -> THNameError -> [GhcHint]
thNameErrorHints THNameError
err
THReifyError THReifyError
err -> THReifyError -> [GhcHint]
thReifyErrorHints THReifyError
err
TypedTHError TypedTHError
err -> TypedTHError -> [GhcHint]
typedTHErrorHints TypedTHError
err
THSpliceFailed SpliceFailReason
rea -> SpliceFailReason -> [GhcHint]
spliceFailedHints SpliceFailReason
rea
AddTopDeclsError AddTopDeclsError
err -> AddTopDeclsError -> [GhcHint]
addTopDeclsErrorHints AddTopDeclsError
err
IllegalStaticFormInSplice {} -> [GhcHint]
noHints
FailedToLookupThInstName {} -> [GhcHint]
noHints
AddInvalidCorePlugin {} -> [GhcHint]
noHints
AddDocToNonLocalDefn {} -> [GhcHint]
noHints
ReportCustomQuasiError {} -> [GhcHint]
noHints
thSyntaxErrorHints :: THSyntaxError -> [GhcHint]
thSyntaxErrorHints :: THSyntaxError -> [GhcHint]
thSyntaxErrorHints = \case
IllegalTHQuotes{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TemplateHaskellQuotes]
BadImplicitSplice {}
-> [GhcHint]
noHints
IllegalTHSplice{}
-> [Extension -> GhcHint
suggestExtension Extension
LangExt.TemplateHaskell]
NestedTHBrackets{}
-> [GhcHint]
noHints
MismatchedSpliceType{}
-> [GhcHint]
noHints
thNameErrorHints :: THNameError -> [GhcHint]
thNameErrorHints :: THNameError -> [GhcHint]
thNameErrorHints = \case
NonExactName {} -> [GhcHint]
noHints
QuotedNameWrongStage {} -> [GhcHint]
noHints
thReifyErrorHints :: THReifyError -> [GhcHint]
thReifyErrorHints :: THReifyError -> [GhcHint]
thReifyErrorHints = \case
CannotReifyInstance {} -> [GhcHint]
noHints
CannotReifyOutOfScopeThing {} -> [GhcHint]
noHints
CannotReifyThingNotInTypeEnv {} -> [GhcHint]
noHints
NoRolesAssociatedWithThing {} -> [GhcHint]
noHints
CannotRepresentType {} -> [GhcHint]
noHints
typedTHErrorHints :: TypedTHError -> [GhcHint]
typedTHErrorHints :: TypedTHError -> [GhcHint]
typedTHErrorHints = \case
SplicePolymorphicLocalVar {} -> [GhcHint]
noHints
TypedTHWithPolyType {} -> [GhcHint]
noHints
spliceFailedHints :: SpliceFailReason -> [GhcHint]
spliceFailedHints :: SpliceFailReason -> [GhcHint]
spliceFailedHints = \case
SpliceThrewException {} -> [GhcHint]
noHints
RunSpliceFailure {} -> [GhcHint]
noHints
addTopDeclsErrorHints :: AddTopDeclsError -> [GhcHint]
addTopDeclsErrorHints :: AddTopDeclsError -> [GhcHint]
addTopDeclsErrorHints = \case
InvalidTopDecl {}
-> [GhcHint]
noHints
AddTopDeclsUnexpectedDeclarationSplice {}
-> [GhcHint]
noHints
AddTopDeclsRunSpliceFailure {}
-> [GhcHint]
noHints
pprPatersonCondFailure ::
PatersonCondFailure -> PatersonCondFailureContext -> Type -> Type -> SDoc
pprPatersonCondFailure :: PatersonCondFailure
-> PatersonCondFailureContext -> Type -> Type -> SDoc
pprPatersonCondFailure (PCF_TyVar [TyVar]
tvs) PatersonCondFailureContext
InInstanceDecl Type
lhs Type
rhs =
SDoc -> Arity -> SDoc -> SDoc
hang ([TyVar] -> SDoc
occMsg [TyVar]
tvs)
Arity
2 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the constraint" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
lhs)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"than in the instance head" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
rhs) ])
where
occMsg :: [TyVar] -> SDoc
occMsg [TyVar]
tvs = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
tvs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ((TyVar -> SDoc) -> [TyVar] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr [TyVar]
tvs)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_occurs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"more often"
pp_occurs :: SDoc
pp_occurs | [TyVar] -> Bool
forall a. [a] -> Bool
isSingleton [TyVar]
tvs = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"occurs"
| Bool
otherwise = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"occur"
pprPatersonCondFailure (PCF_TyVar [TyVar]
tvs) PatersonCondFailureContext
InTyFamEquation Type
lhs Type
rhs =
SDoc -> Arity -> SDoc -> SDoc
hang ([TyVar] -> SDoc
occMsg [TyVar]
tvs)
Arity
2 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the type-family application" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
rhs)
, [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"than in the LHS of the family instance" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
lhs) ])
where
occMsg :: [TyVar] -> SDoc
occMsg [TyVar]
tvs = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Variable" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<> [TyVar] -> SDoc
forall a. [a] -> SDoc
plural [TyVar]
tvs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes ((TyVar -> SDoc) -> [TyVar] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas TyVar -> SDoc
forall a. Outputable a => a -> SDoc
ppr [TyVar]
tvs)
SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc
pp_occurs SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"more often"
pp_occurs :: SDoc
pp_occurs | [TyVar] -> Bool
forall a. [a] -> Bool
isSingleton [TyVar]
tvs = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"occurs"
| Bool
otherwise = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"occur"
pprPatersonCondFailure PatersonCondFailure
PCF_Size PatersonCondFailureContext
InInstanceDecl Type
lhs Type
rhs =
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The constraint" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
lhs))
Arity
2 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is no smaller than", SDoc
pp_rhs ])
where pp_rhs :: SDoc
pp_rhs = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the instance head" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
rhs)
pprPatersonCondFailure PatersonCondFailure
PCF_Size PatersonCondFailureContext
InTyFamEquation Type
lhs Type
rhs =
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"The type-family application" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
rhs))
Arity
2 ([SDoc] -> SDoc
forall doc. IsLine doc => [doc] -> doc
sep [ [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"is no smaller than", SDoc
pp_lhs ])
where pp_lhs :: SDoc
pp_lhs = [Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"the LHS of the family instance" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
lhs)
pprPatersonCondFailure (PCF_TyFam TyCon
tc) PatersonCondFailureContext
InInstanceDecl Type
lhs Type
_rhs =
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal use of type family" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the constraint" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
lhs))
pprPatersonCondFailure (PCF_TyFam TyCon
tc) PatersonCondFailureContext
InTyFamEquation Type
_lhs Type
rhs =
SDoc -> Arity -> SDoc -> SDoc
hang ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"Illegal nested use of type family" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (TyCon -> SDoc
forall a. Outputable a => a -> SDoc
ppr TyCon
tc))
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"in the arguments of the type-family application" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes (Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr Type
rhs))
defaultTypesAndImport :: ClassDefaults -> SDoc
defaultTypesAndImport :: ClassDefaults -> SDoc
defaultTypesAndImport ClassDefaults{[Type]
cd_types :: ClassDefaults -> [Type]
cd_types :: [Type]
cd_types, cd_module :: ClassDefaults -> Maybe Module
cd_module = Just Module
cdm} =
SDoc -> Arity -> SDoc -> SDoc
hang (SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens (SDoc -> SDoc) -> SDoc -> SDoc
forall a b. (a -> b) -> a -> b
$ (Type -> SDoc) -> [Type] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr [Type]
cd_types)
Arity
2 ([Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"imported from" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> Module -> SDoc
forall a. Outputable a => a -> SDoc
ppr Module
cdm)
defaultTypesAndImport ClassDefaults{[Type]
cd_types :: ClassDefaults -> [Type]
cd_types :: [Type]
cd_types} = SDoc -> SDoc
forall doc. IsLine doc => doc -> doc
parens ((Type -> SDoc) -> [Type] -> SDoc
forall a. (a -> SDoc) -> [a] -> SDoc
pprWithCommas Type -> SDoc
forall a. Outputable a => a -> SDoc
ppr [Type]
cd_types)
pprZonkerMessage :: ZonkerMessage -> SDoc
pprZonkerMessage :: ZonkerMessage -> SDoc
pprZonkerMessage = \case
ZonkerCannotDefaultConcrete FixedRuntimeRepOrigin
frr ->
FixedRuntimeRepContext -> SDoc
forall a. Outputable a => a -> SDoc
ppr (FixedRuntimeRepOrigin -> FixedRuntimeRepContext
frr_context FixedRuntimeRepOrigin
frr) SDoc -> SDoc -> SDoc
forall doc. IsDoc doc => doc -> doc -> doc
$$
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"cannot be assigned a fixed runtime representation," SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+>
[Char] -> SDoc
forall doc. IsLine doc => [Char] -> doc
text [Char]
"not even by defaulting."
zonkerMessageHints :: ZonkerMessage -> [GhcHint]
zonkerMessageHints :: ZonkerMessage -> [GhcHint]
zonkerMessageHints = \case
ZonkerCannotDefaultConcrete {} -> [AvailableBindings -> GhcHint
SuggestAddTypeSignatures AvailableBindings
UnnamedBinding]
zonkerMessageReason :: ZonkerMessage -> DiagnosticReason
zonkerMessageReason :: ZonkerMessage -> DiagnosticReason
zonkerMessageReason = \case
ZonkerCannotDefaultConcrete {} -> DiagnosticReason
ErrorWithoutFlag
pprTypeSyntaxName :: TypeSyntax -> SDoc
pprTypeSyntaxName :: TypeSyntax -> SDoc
pprTypeSyntaxName TypeSyntax
TypeKeywordSyntax = SDoc
"keyword" SDoc -> SDoc -> SDoc
forall doc. IsLine doc => doc -> doc -> doc
<+> SDoc -> SDoc
quotes SDoc
"type"
pprTypeSyntaxName TypeSyntax
ForallTelescopeSyntax = SDoc
"forall telescope"
pprTypeSyntaxName TypeSyntax
ContextArrowSyntax = SDoc
"context arrow (=>)"
pprTypeSyntaxName TypeSyntax
FunctionArrowSyntax = SDoc
"function type arrow (->)"