ghc-9.13: The GHC API
Safe HaskellNone
LanguageGHC2021

GHC.Parser.Errors.Types

Synopsis

Documentation

data PsHeaderMessage Source #

Constructors

PsErrParseLanguagePragma 
PsErrUnsupportedExt !String ![String] 
PsErrParseOptionsPragma !String 
PsErrUnknownOptionsPragma !String

PsErrUnsupportedOptionsPragma is an error that occurs when an unknown OPTIONS_GHC pragma is supplied is found.

Example(s): {-# OPTIONS_GHC foo #-}

Test case(s):

testssafeHaskellflags/SafeFlags28 testssafeHaskellflags/SafeFlags19 testssafeHaskellflags/SafeFlags29 testsparsershould_fail/T19923c testsparsershould_fail/T19923b testsparsershould_fail/readFail044 testsdriverT2499

Instances

Instances details
Generic PsHeaderMessage Source # 
Instance details

Defined in GHC.Parser.Errors.Types

Associated Types

type Rep PsHeaderMessage 
Instance details

Defined in GHC.Parser.Errors.Types

type Rep PsHeaderMessage = D1 ('MetaData "PsHeaderMessage" "GHC.Parser.Errors.Types" "ghc-9.13-inplace" 'False) ((C1 ('MetaCons "PsErrParseLanguagePragma" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrUnsupportedExt" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 String) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 [String]))) :+: (C1 ('MetaCons "PsErrParseOptionsPragma" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 String)) :+: C1 ('MetaCons "PsErrUnknownOptionsPragma" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 String))))
type Rep PsHeaderMessage Source # 
Instance details

Defined in GHC.Parser.Errors.Types

type Rep PsHeaderMessage = D1 ('MetaData "PsHeaderMessage" "GHC.Parser.Errors.Types" "ghc-9.13-inplace" 'False) ((C1 ('MetaCons "PsErrParseLanguagePragma" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrUnsupportedExt" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 String) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 [String]))) :+: (C1 ('MetaCons "PsErrParseOptionsPragma" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 String)) :+: C1 ('MetaCons "PsErrUnknownOptionsPragma" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 String))))

data PsMessage Source #

Constructors

PsUnknownMessage (UnknownDiagnostic (DiagnosticOpts PsMessage))

An "unknown" message from the parser. This type constructor allows arbitrary messages to be embedded. The typical use case would be GHC plugins willing to emit custom diagnostics.

PsHeaderMessage !PsHeaderMessage

A group of parser messages emitted in Header. See Note [Messages from GHC.Parser.Header].

PsWarnBidirectionalFormatChars (NonEmpty (PsLoc, Char, String))

PsWarnBidirectionalFormatChars is a warning (controlled by the -Wwarn-bidirectional-format-characters flag) that occurs when unicode bi-directional format characters are found within in a file

The PsLoc contains the exact position in the buffer the character occurred, and the string contains a description of the character.

PsWarnTab

PsWarnTab is a warning (controlled by the -Wwarn-tabs flag) that occurs when tabulations (tabs) are found within a file.

Test case(s): parsershould_failT12610 parsershould_compileT9723b parsershould_compileT9723a parsershould_compileread043 parsershould_failT16270 warningsshould_compileT9230

Fields

  • !Word

    Number of other occurrences other than the first one

PsWarnTransitionalLayout !TransLayoutReason

PsWarnTransitionalLayout is a warning (controlled by the -Walternative-layout-rule-transitional flag) that occurs when pipes ('|') or 'where' are at the same depth of an implicit layout block.

Example(s):

f :: IO () f | True = do let x = () y = () return () | True = return ()

Test case(s): layout/layout006 layout/layout003 layout/layout001

PsWarnUnrecognisedPragma !String ![String]

Unrecognised pragma. First field is the actual pragma name which might be empty. Second field is the set of valid candidate pragmas.

PsWarnMisplacedPragma !FileHeaderPragmaType 
PsWarnHaddockInvalidPos

Invalid Haddock comment position

PsWarnHaddockIgnoreMulti

Multiple Haddock comment for the same entity

PsWarnStarBinder

Found binding occurrence of "*" while StarIsType is enabled

PsWarnStarIsType

Using "*" for Type without StarIsType enabled

PsWarnImportPreQualified

Pre qualified import with WarnPrepositiveQualifiedModule enabled

PsWarnOperatorWhitespaceExtConflict !OperatorWhitespaceSymbol 
PsWarnOperatorWhitespace !FastString !OperatorWhitespaceOccurrence 
PsWarnViewPatternSignatures !(LPat GhcPs) !(LPat GhcPs)

PsWarnViewPatternSignatures is a warning triggered by view patterns whose RHS is an unparenthesised pattern signature. It warns on code that is highly likely to break when the precedence of view patterns relative to pattern signatures is changed per GHC Proposal #281. The suggested fix is to add parentheses.

Example: f1 (isJust -> True :: Bool) = ()

Suggested fix: f1 (isJust -> (True :: Bool)) = ()

Test cases: T24159_viewpat

PsErrLambdaCase

LambdaCase syntax used without the extension enabled

PsErrEmptyLambda

A lambda requires at least one parameter

PsErrNumUnderscores !NumUnderscoreReason

Underscores in literals without the extension enabled

PsErrPrimStringInvalidChar

Invalid character in primitive string

PsErrMissingBlock

Missing block

PsErrLexer !LexErr !LexErrKind

Lexer error

PsErrSuffixAT

Suffix occurrence of @

PsErrParse !String !PsErrParseDetails

Parse errors

PsErrCmmLexer

Cmm lexer error

PsErrUnsupportedBoxedSumExpr !(SumOrTuple (HsExpr GhcPs))

Unsupported boxed sum in expression

PsErrUnsupportedBoxedSumPat !(SumOrTuple (PatBuilder GhcPs))

Unsupported boxed sum in pattern

PsErrUnexpectedQualifiedConstructor !RdrName

Unexpected qualified constructor

PsErrTupleSectionInPat

Tuple section in pattern context

PsErrIllegalBangPattern !(Pat GhcPs)

Bang-pattern without BangPattterns enabled

PsErrOpFewArgs !StarIsType !RdrName

Operator applied to too few arguments

PsErrImportQualifiedTwice

Import: multiple occurrences of qualified

PsErrImportPostQualified

Post qualified import without ImportQualifiedPost

PsErrIllegalExplicitNamespace

Explicit namespace keyword without ExplicitNamespaces

PsErrVarForTyCon !RdrName

Expecting a type constructor but found a variable

PsErrIllegalPatSynExport

Illegal export form allowed by PatternSynonyms

PsErrMalformedEntityString

Malformed entity string

PsErrDotsInRecordUpdate

Dots used in record update

PsErrPrecedenceOutOfRange !Int

Precedence out of range

PsErrOverloadedRecordDotInvalid

Invalid use of record dot syntax .

PsErrOverloadedRecordUpdateNotEnabled

OverloadedRecordUpdate is not enabled.

PsErrOverloadedRecordUpdateNoQualifiedFields

Can't use qualified fields when OverloadedRecordUpdate is enabled.

PsErrInvalidDataCon !(HsType GhcPs)

Cannot parse data constructor in a data/newtype declaration

PsErrInvalidInfixDataCon !(HsType GhcPs) !RdrName !(HsType GhcPs)

Cannot parse data constructor in a data/newtype declaration

PsErrIllegalPromotionQuoteDataCon !RdrName

Illegal DataKinds quote mark in data/newtype constructor declaration

PsErrUnpackDataCon

UNPACK applied to a data constructor

PsErrUnexpectedKindAppInDataCon !DataConBuilder !(HsType GhcPs)

Unexpected kind application in data/newtype declaration

PsErrInvalidRecordCon !(PatBuilder GhcPs)

Not a record constructor

PsErrIllegalUnboxedStringInPat !(HsLit GhcPs)

Illegal unboxed string literal in pattern

PsErrIllegalUnboxedFloatingLitInPat !(HsLit GhcPs)

Illegal primitive floating point literal in pattern

PsErrDoNotationInPat

Do-notation in pattern

PsErrIfThenElseInPat

If-then-else syntax in pattern

PsErrLambdaInPat HsLamVariant

Lambda or Lambda-case in pattern

PsErrCaseInPat

case..of in pattern

PsErrLetInPat

let-syntax in pattern

PsErrArrowExprInPat !(HsExpr GhcPs)

Arrow expression-syntax in pattern

PsErrArrowCmdInPat !(HsCmd GhcPs)

Arrow command-syntax in pattern

PsErrArrowCmdInExpr !(HsCmd GhcPs)

Arrow command-syntax in expression

PsErrOrPatInExpr !(LPat GhcPs)

Or-pattern in expression

PsErrTypeAppWithoutSpace !RdrName !(LHsExpr GhcPs)

Type-application without space before @

PsErrLazyPatWithoutSpace !(LHsExpr GhcPs)

Lazy-pattern (~) without space after it

PsErrBangPatWithoutSpace !(LHsExpr GhcPs)

Bang-pattern (!) without space after it

PsErrUnallowedPragma !(HsPragE GhcPs)

Pragma not allowed in this position

PsErrQualifiedDoInCmd !ModuleName

Qualified do block in command

PsErrInvalidInfixHole

Invalid infix hole, expected an infix operator

PsErrSemiColonsInCondExpr

Unexpected semi-colons in conditional expression

Fields

PsErrSemiColonsInCondCmd

Unexpected semi-colons in conditional command

Fields

PsErrAtInPatPos

@-operator in a pattern position

PsErrCaseCmdInFunAppCmd !(LHsCmd GhcPs)

Unexpected case command in function application

PsErrLambdaCmdInFunAppCmd !HsLamVariant !(LHsCmd GhcPs)

Unexpected lambda or case(s) command in function application

PsErrIfCmdInFunAppCmd !(LHsCmd GhcPs)

Unexpected if command in function application

PsErrLetCmdInFunAppCmd !(LHsCmd GhcPs)

Unexpected let command in function application

PsErrDoCmdInFunAppCmd !(LHsCmd GhcPs)

Unexpected do command in function application

PsErrDoInFunAppExpr !(Maybe ModuleName) !(LHsExpr GhcPs)

Unexpected do block in function application

PsErrMDoInFunAppExpr !(Maybe ModuleName) !(LHsExpr GhcPs)

Unexpected mdo block in function application

PsErrCaseInFunAppExpr !(LHsExpr GhcPs)

Unexpected case expression in function application

PsErrLambdaInFunAppExpr !HsLamVariant !(LHsExpr GhcPs)

Unexpected lambda or case(s) expression in function application

PsErrLetInFunAppExpr !(LHsExpr GhcPs)

Unexpected let expression in function application

PsErrIfInFunAppExpr !(LHsExpr GhcPs)

Unexpected if expression in function application

PsErrProcInFunAppExpr !(LHsExpr GhcPs)

Unexpected proc expression in function application

PsErrMalformedTyOrClDecl !(LHsType GhcPs)

Malformed head of type or class declaration

PsErrIllegalWhereInDataDecl

Illegal 'where' keyword in data declaration

PsErrIllegalDataTypeContext !(LHsContext GhcPs)

Illegal datatype context

PsErrParseErrorOnInput !OccName

Parse error on input

PsErrMalformedDecl !SDoc !RdrName

Malformed ... declaration for ...

PsErrNotADataCon !RdrName

Not a data constructor

PsErrRecordSyntaxInPatSynDecl !(LPat GhcPs)

Record syntax used in pattern synonym declaration

PsErrEmptyWhereInPatSynDecl !RdrName

Empty 'where' clause in pattern-synonym declaration

PsErrInvalidWhereBindInPatSynDecl !RdrName !(HsDecl GhcPs)

Invalid binding name in 'where' clause of pattern-synonym declaration

PsErrNoSingleWhereBindInPatSynDecl !RdrName !(HsDecl GhcPs)

Multiple bindings in 'where' clause of pattern-synonym declaration

PsErrDeclSpliceNotAtTopLevel !(SpliceDecl GhcPs)

Declaration splice not a top-level

PsErrInferredTypeVarNotAllowed

Inferred type variables not allowed here

PsErrMultipleNamesInStandaloneKindSignature [LIdP GhcPs]

Multiple names in standalone kind signatures

PsErrIllegalImportBundleForm

Illegal import bundle form

PsErrIllegalRoleName !FastString [Role]

Illegal role name

PsErrInvalidTypeSignature !PsInvalidTypeSignature !(LHsExpr GhcPs)

Invalid type signature

PsErrUnexpectedTypeInDecl !(LHsType GhcPs) !SDoc !RdrName [LHsTypeArg GhcPs] !SDoc

Unexpected type in declaration

PsErrExpectedHyphen

Expected a hyphen

PsErrSpaceInSCC

Found a space in a SCC

PsErrEmptyDoubleQuotes

Found two single quotes

Fields

PsErrInvalidPackageName !FastString

Invalid package name

PsErrInvalidRuleActivationMarker

Invalid rule activation marker

PsErrLinearFunction

Linear function found but LinearTypes not enabled

PsErrMultiWayIf

Multi-way if-expression found but MultiWayIf not enabled

PsErrExplicitForall

Explicit forall found but no extension allowing it is enabled

Fields

  • !Bool

    is Unicode forall?

PsErrIllegalQualifiedDo !SDoc

Found qualified-do without QualifiedDo enabled

PsErrCmmParser !CmmParserError

Cmm parser error

PsErrIllegalTraditionalRecordSyntax !SDoc

Illegal traditional record syntax

TODO: distinguish errors without using SDoc

PsErrParseErrorInCmd !SDoc

Parse error in command

TODO: distinguish errors without using SDoc

PsErrInPat !(PatBuilder GhcPs) !PsErrInPatDetails

Parse error in pattern

PsErrParseRightOpSectionInPat !RdrName !(PatBuilder GhcPs)

Parse error in right operator section pattern TODO: embed the proper operator, if possible

PsErrIllegalGadtRecordMultiplicity !(HsArrow GhcPs)

Illegal linear arrow or multiplicity annotation in GADT record syntax

PsErrInvalidCApiImport 
PsErrMultipleConForNewtype !RdrName !Int 
PsErrUnicodeCharLooksLike 

Fields

  • Char

    the problematic character

  • Char

    the character it looks like

  • String

    the name of the character that it looks like

PsErrInvalidPun !PsErrPunDetails 
PsErrIllegalOrPat (LPat GhcPs)

Or pattern used without -XOrPatterns

PsErrTypeSyntaxInPat !PsErrTypeSyntaxDetails

Temporary error until GHC gains support for type syntax in patterns. Test cases: T24159_pat_parse_error_1 T24159_pat_parse_error_2 T24159_pat_parse_error_3 T24159_pat_parse_error_4 T24159_pat_parse_error_5 T24159_pat_parse_error_6

Instances

Instances details
Diagnostic PsMessage Source # 
Instance details

Defined in GHC.Parser.Errors.Ppr

Associated Types

type DiagnosticOpts PsMessage 
Instance details

Defined in GHC.Parser.Errors.Ppr

Generic PsMessage Source # 
Instance details

Defined in GHC.Parser.Errors.Types

Associated Types

type Rep PsMessage 
Instance details

Defined in GHC.Parser.Errors.Types

type Rep PsMessage = D1 ('MetaData "PsMessage" "GHC.Parser.Errors.Types" "ghc-9.13-inplace" 'False) ((((((C1 ('MetaCons "PsUnknownMessage" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (UnknownDiagnostic (DiagnosticOpts PsMessage)))) :+: (C1 ('MetaCons "PsHeaderMessage" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 PsHeaderMessage)) :+: C1 ('MetaCons "PsWarnBidirectionalFormatChars" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (NonEmpty (PsLoc, Char, String)))))) :+: ((C1 ('MetaCons "PsWarnTab" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Word)) :+: C1 ('MetaCons "PsWarnTransitionalLayout" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 TransLayoutReason))) :+: (C1 ('MetaCons "PsWarnUnrecognisedPragma" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 String) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 [String])) :+: C1 ('MetaCons "PsWarnMisplacedPragma" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 FileHeaderPragmaType))))) :+: ((C1 ('MetaCons "PsWarnHaddockInvalidPos" 'PrefixI 'False) (U1 :: Type -> Type) :+: (C1 ('MetaCons "PsWarnHaddockIgnoreMulti" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsWarnStarBinder" 'PrefixI 'False) (U1 :: Type -> Type))) :+: ((C1 ('MetaCons "PsWarnStarIsType" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsWarnImportPreQualified" 'PrefixI 'False) (U1 :: Type -> Type)) :+: (C1 ('MetaCons "PsWarnOperatorWhitespaceExtConflict" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 OperatorWhitespaceSymbol)) :+: C1 ('MetaCons "PsWarnOperatorWhitespace" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 FastString) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 OperatorWhitespaceOccurrence)))))) :+: (((C1 ('MetaCons "PsWarnViewPatternSignatures" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LPat GhcPs)) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LPat GhcPs))) :+: (C1 ('MetaCons "PsErrLambdaCase" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrEmptyLambda" 'PrefixI 'False) (U1 :: Type -> Type))) :+: ((C1 ('MetaCons "PsErrNumUnderscores" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 NumUnderscoreReason)) :+: C1 ('MetaCons "PsErrPrimStringInvalidChar" 'PrefixI 'False) (U1 :: Type -> Type)) :+: (C1 ('MetaCons "PsErrMissingBlock" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrLexer" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 LexErr) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 LexErrKind))))) :+: (((C1 ('MetaCons "PsErrSuffixAT" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrParse" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 String) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 PsErrParseDetails))) :+: (C1 ('MetaCons "PsErrCmmLexer" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrUnsupportedBoxedSumExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (SumOrTuple (HsExpr GhcPs)))))) :+: ((C1 ('MetaCons "PsErrUnsupportedBoxedSumPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (SumOrTuple (PatBuilder GhcPs)))) :+: C1 ('MetaCons "PsErrUnexpectedQualifiedConstructor" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName))) :+: (C1 ('MetaCons "PsErrTupleSectionInPat" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrIllegalBangPattern" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (Pat GhcPs)))))))) :+: ((((C1 ('MetaCons "PsErrOpFewArgs" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 StarIsType) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName)) :+: (C1 ('MetaCons "PsErrImportQualifiedTwice" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrImportPostQualified" 'PrefixI 'False) (U1 :: Type -> Type))) :+: ((C1 ('MetaCons "PsErrIllegalExplicitNamespace" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrVarForTyCon" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName))) :+: (C1 ('MetaCons "PsErrIllegalPatSynExport" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrMalformedEntityString" 'PrefixI 'False) (U1 :: Type -> Type)))) :+: ((C1 ('MetaCons "PsErrDotsInRecordUpdate" 'PrefixI 'False) (U1 :: Type -> Type) :+: (C1 ('MetaCons "PsErrPrecedenceOutOfRange" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int)) :+: C1 ('MetaCons "PsErrOverloadedRecordDotInvalid" 'PrefixI 'False) (U1 :: Type -> Type))) :+: ((C1 ('MetaCons "PsErrOverloadedRecordUpdateNotEnabled" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrOverloadedRecordUpdateNoQualifiedFields" 'PrefixI 'False) (U1 :: Type -> Type)) :+: (C1 ('MetaCons "PsErrInvalidDataCon" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsType GhcPs))) :+: C1 ('MetaCons "PsErrInvalidInfixDataCon" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsType GhcPs)) :*: (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsType GhcPs)))))))) :+: (((C1 ('MetaCons "PsErrIllegalPromotionQuoteDataCon" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName)) :+: (C1 ('MetaCons "PsErrUnpackDataCon" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrUnexpectedKindAppInDataCon" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 DataConBuilder) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsType GhcPs))))) :+: ((C1 ('MetaCons "PsErrInvalidRecordCon" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (PatBuilder GhcPs))) :+: C1 ('MetaCons "PsErrIllegalUnboxedStringInPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsLit GhcPs)))) :+: (C1 ('MetaCons "PsErrIllegalUnboxedFloatingLitInPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsLit GhcPs))) :+: C1 ('MetaCons "PsErrDoNotationInPat" 'PrefixI 'False) (U1 :: Type -> Type)))) :+: (((C1 ('MetaCons "PsErrIfThenElseInPat" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrLambdaInPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 HsLamVariant))) :+: (C1 ('MetaCons "PsErrCaseInPat" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrLetInPat" 'PrefixI 'False) (U1 :: Type -> Type))) :+: ((C1 ('MetaCons "PsErrArrowExprInPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsExpr GhcPs))) :+: C1 ('MetaCons "PsErrArrowCmdInPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsCmd GhcPs)))) :+: (C1 ('MetaCons "PsErrArrowCmdInExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsCmd GhcPs))) :+: C1 ('MetaCons "PsErrOrPatInExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LPat GhcPs))))))))) :+: (((((C1 ('MetaCons "PsErrTypeAppWithoutSpace" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))) :+: (C1 ('MetaCons "PsErrLazyPatWithoutSpace" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))) :+: C1 ('MetaCons "PsErrBangPatWithoutSpace" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))))) :+: ((C1 ('MetaCons "PsErrUnallowedPragma" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsPragE GhcPs))) :+: C1 ('MetaCons "PsErrQualifiedDoInCmd" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 ModuleName))) :+: (C1 ('MetaCons "PsErrInvalidInfixHole" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrSemiColonsInCondExpr" 'PrefixI 'False) ((S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsExpr GhcPs)) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Bool)) :*: (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsExpr GhcPs)) :*: (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Bool) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsExpr GhcPs)))))))) :+: ((C1 ('MetaCons "PsErrSemiColonsInCondCmd" 'PrefixI 'False) ((S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsExpr GhcPs)) :*: S1 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type DiagnosticOpts PsMessage Source # 
Instance details

Defined in GHC.Parser.Errors.Ppr

type Rep PsMessage Source # 
Instance details

Defined in GHC.Parser.Errors.Types

type Rep PsMessage = D1 ('MetaData "PsMessage" "GHC.Parser.Errors.Types" "ghc-9.13-inplace" 'False) ((((((C1 ('MetaCons "PsUnknownMessage" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (UnknownDiagnostic (DiagnosticOpts PsMessage)))) :+: (C1 ('MetaCons "PsHeaderMessage" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 PsHeaderMessage)) :+: C1 ('MetaCons "PsWarnBidirectionalFormatChars" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (NonEmpty (PsLoc, Char, String)))))) :+: ((C1 ('MetaCons "PsWarnTab" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Word)) :+: C1 ('MetaCons "PsWarnTransitionalLayout" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) 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'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LPat GhcPs))))))))) :+: (((((C1 ('MetaCons "PsErrTypeAppWithoutSpace" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))) :+: (C1 ('MetaCons "PsErrLazyPatWithoutSpace" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))) :+: C1 ('MetaCons "PsErrBangPatWithoutSpace" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))))) :+: ((C1 ('MetaCons "PsErrUnallowedPragma" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsPragE GhcPs))) :+: C1 ('MetaCons "PsErrQualifiedDoInCmd" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: 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'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs)))))) :+: (((C1 ('MetaCons "PsErrMalformedTyOrClDecl" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsType GhcPs))) :+: C1 ('MetaCons "PsErrIllegalWhereInDataDecl" 'PrefixI 'False) (U1 :: Type -> Type)) :+: (C1 ('MetaCons "PsErrIllegalDataTypeContext" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsContext GhcPs))) :+: C1 ('MetaCons "PsErrParseErrorOnInput" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 OccName)))) :+: ((C1 ('MetaCons "PsErrMalformedDecl" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 SDoc) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 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'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsDecl GhcPs))) :+: C1 ('MetaCons "PsErrDeclSpliceNotAtTopLevel" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (SpliceDecl GhcPs))))) :+: ((C1 ('MetaCons "PsErrInferredTypeVarNotAllowed" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrMultipleNamesInStandaloneKindSignature" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [LIdP GhcPs]))) :+: (C1 ('MetaCons "PsErrIllegalImportBundleForm" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrIllegalRoleName" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 FastString) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Role]))))) :+: (((C1 ('MetaCons "PsErrInvalidTypeSignature" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 PsInvalidTypeSignature) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))) :+: C1 ('MetaCons "PsErrUnexpectedTypeInDecl" 'PrefixI 'False) ((S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsType GhcPs)) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 SDoc)) :*: (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName) :*: (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [LHsTypeArg GhcPs]) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 SDoc))))) :+: (C1 ('MetaCons "PsErrExpectedHyphen" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrSpaceInSCC" 'PrefixI 'False) (U1 :: Type -> Type))) :+: ((C1 ('MetaCons "PsErrEmptyDoubleQuotes" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Bool)) :+: C1 ('MetaCons "PsErrInvalidPackageName" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 FastString))) :+: (C1 ('MetaCons "PsErrInvalidRuleActivationMarker" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrLinearFunction" 'PrefixI 'False) (U1 :: Type -> Type))))) :+: (((C1 ('MetaCons "PsErrMultiWayIf" 'PrefixI 'False) (U1 :: Type -> Type) :+: (C1 ('MetaCons "PsErrExplicitForall" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Bool)) :+: C1 ('MetaCons "PsErrIllegalQualifiedDo" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: 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'NoSourceStrictness 'DecidedLazy) (Rec0 Char) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 String))) :+: C1 ('MetaCons "PsErrInvalidPun" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 PsErrPunDetails))) :+: (C1 ('MetaCons "PsErrIllegalOrPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (LPat GhcPs))) :+: C1 ('MetaCons "PsErrTypeSyntaxInPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 PsErrTypeSyntaxDetails)))))))))

data PsErrParseDetails Source #

Extra details about a parse error, which helps us in determining which should be the hints to suggest.

Constructors

PsErrParseDetails 

Fields

data PatIsRecursive Source #

Is the parsed pattern recursive?

data ParseContext Source #

Extra information for the expression GHC is currently inspecting/parsing. It can be used to generate more informative parser diagnostics and hints.

Constructors

ParseContext 

Fields

Instances

Instances details
Eq ParseContext Source # 
Instance details

Defined in GHC.Parser.Errors.Types

data PsErrInPatDetails Source #

Constructors

PEIP_NegApp

Negative application pattern?

PEIP_TypeArgs [HsConPatTyArg GhcPs]

The list of type arguments for the pattern

PEIP_RecPattern 

Fields

PEIP_OtherPatDetails !ParseContext 

fromParseContext :: ParseContext -> PsErrInPatDetails Source #

Builds a PsErrInPatDetails with the information provided by the ParseContext.

data LexErrKind Source #

Constructors

LexErrKind_EOF

End of input

LexErrKind_UTF8

UTF-8 decoding error

LexErrKind_Char !Char

Error at given character

data LexErr Source #

Constructors

LexError

Lexical error

LexUnknownPragma

Unknown pragma

LexErrorInPragma

Lexical error in pragma

LexNumEscapeRange

Numeric escape sequence out of range

LexUnterminatedComment

Unterminated `{-'

LexUnterminatedOptions

Unterminated OPTIONS pragma

LexUnterminatedQQ

Unterminated quasiquotation

data CmmParserError Source #

Errors from the Cmm parser

Constructors

CmmUnknownPrimitive !FastString

Unknown Cmm primitive

CmmUnknownMacro !FastString

Unknown macro

CmmUnknownCConv !String

Unknown calling convention

CmmUnrecognisedSafety !String

Unrecognised safety

CmmUnrecognisedHint !String

Unrecognised hint

data TransLayoutReason Source #

Constructors

TransLayout_Where

"`where' clause at the same depth as implicit layout block"

TransLayout_Pipe

"`|' at the same depth as implicit layout block")