GHC.Parser.Errors.Types

ghc-lib-parser-9.10.1.20250103: The GHC API, decoupled from GHC versions

Safe Haskell | Ignore
Language | GHC2021

GHC.Parser.Errors.Types

Synopsis

- type PsWarning = PsMessage
- type PsError = PsMessage
- data PsHeaderMessage
  - = PsErrParseLanguagePragma
  - | PsErrUnsupportedExt !String ![String]
  - | PsErrParseOptionsPragma !String
  - | PsErrUnknownOptionsPragma !String
- data PsMessage
  - = PsUnknownMessage (UnknownDiagnostic (DiagnosticOpts PsMessage))
  - | PsHeaderMessage !PsHeaderMessage
  - | PsWarnBidirectionalFormatChars (NonEmpty (PsLoc, Char, String))
  - | PsWarnTab !Word
  - | PsWarnTransitionalLayout !TransLayoutReason
  - | PsWarnUnrecognisedPragma !String ![String]
  - | PsWarnMisplacedPragma !FileHeaderPragmaType
  - | PsWarnHaddockInvalidPos
  - | PsWarnHaddockIgnoreMulti
  - | PsWarnStarBinder
  - | PsWarnStarIsType
  - | PsWarnImportPreQualified
  - | PsWarnOperatorWhitespaceExtConflict !OperatorWhitespaceSymbol
  - | PsWarnOperatorWhitespace !FastString !OperatorWhitespaceOccurrence
  - | PsErrLambdaCase
  - | PsErrEmptyLambda
  - | PsErrNumUnderscores !NumUnderscoreReason
  - | PsErrPrimStringInvalidChar
  - | PsErrMissingBlock
  - | PsErrLexer !LexErr !LexErrKind
  - | PsErrSuffixAT
  - | PsErrParse !String !PsErrParseDetails
  - | PsErrCmmLexer
  - | PsErrUnsupportedBoxedSumExpr !(SumOrTuple (HsExpr GhcPs))
  - | PsErrUnsupportedBoxedSumPat !(SumOrTuple (PatBuilder GhcPs))
  - | PsErrUnexpectedQualifiedConstructor !RdrName
  - | PsErrTupleSectionInPat
  - | PsErrIllegalBangPattern !(Pat GhcPs)
  - | PsErrOpFewArgs !StarIsType !RdrName
  - | PsErrImportQualifiedTwice
  - | PsErrImportPostQualified
  - | PsErrIllegalExplicitNamespace
  - | PsErrVarForTyCon !RdrName
  - | PsErrIllegalPatSynExport
  - | PsErrMalformedEntityString
  - | PsErrDotsInRecordUpdate
  - | PsErrPrecedenceOutOfRange !Int
  - | PsErrOverloadedRecordDotInvalid
  - | PsErrOverloadedRecordUpdateNotEnabled
  - | PsErrOverloadedRecordUpdateNoQualifiedFields
  - | PsErrInvalidDataCon !(HsType GhcPs)
  - | PsErrInvalidInfixDataCon !(HsType GhcPs) !RdrName !(HsType GhcPs)
  - | PsErrIllegalPromotionQuoteDataCon !RdrName
  - | PsErrUnpackDataCon
  - | PsErrUnexpectedKindAppInDataCon !DataConBuilder !(HsType GhcPs)
  - | PsErrInvalidRecordCon !(PatBuilder GhcPs)
  - | PsErrIllegalUnboxedStringInPat !(HsLit GhcPs)
  - | PsErrIllegalUnboxedFloatingLitInPat !(HsLit GhcPs)
  - | PsErrDoNotationInPat
  - | PsErrIfThenElseInPat
  - | PsErrLambdaInPat HsLamVariant
  - | PsErrCaseInPat
  - | PsErrLetInPat
  - | PsErrArrowExprInPat !(HsExpr GhcPs)
  - | PsErrArrowCmdInPat !(HsCmd GhcPs)
  - | PsErrArrowCmdInExpr !(HsCmd GhcPs)
  - | PsErrViewPatInExpr !(LHsExpr GhcPs) !(LHsExpr GhcPs)
  - | PsErrTypeAppWithoutSpace !RdrName !(LHsExpr GhcPs)
  - | PsErrLazyPatWithoutSpace !(LHsExpr GhcPs)
  - | PsErrBangPatWithoutSpace !(LHsExpr GhcPs)
  - | PsErrUnallowedPragma !(HsPragE GhcPs)
  - | PsErrQualifiedDoInCmd !ModuleName
  - | PsErrInvalidInfixHole
  - | PsErrSemiColonsInCondExpr !(HsExpr GhcPs) !Bool !(HsExpr GhcPs) !Bool !(HsExpr GhcPs)
  - | PsErrSemiColonsInCondCmd !(HsExpr GhcPs) !Bool !(HsCmd GhcPs) !Bool !(HsCmd GhcPs)
  - | PsErrAtInPatPos
  - | PsErrCaseCmdInFunAppCmd !(LHsCmd GhcPs)
  - | PsErrLambdaCmdInFunAppCmd !HsLamVariant !(LHsCmd GhcPs)
  - | PsErrIfCmdInFunAppCmd !(LHsCmd GhcPs)
  - | PsErrLetCmdInFunAppCmd !(LHsCmd GhcPs)
  - | PsErrDoCmdInFunAppCmd !(LHsCmd GhcPs)
  - | PsErrDoInFunAppExpr !(Maybe ModuleName) !(LHsExpr GhcPs)
  - | PsErrMDoInFunAppExpr !(Maybe ModuleName) !(LHsExpr GhcPs)
  - | PsErrCaseInFunAppExpr !(LHsExpr GhcPs)
  - | PsErrLambdaInFunAppExpr !HsLamVariant !(LHsExpr GhcPs)
  - | PsErrLetInFunAppExpr !(LHsExpr GhcPs)
  - | PsErrIfInFunAppExpr !(LHsExpr GhcPs)
  - | PsErrProcInFunAppExpr !(LHsExpr GhcPs)
  - | PsErrMalformedTyOrClDecl !(LHsType GhcPs)
  - | PsErrIllegalWhereInDataDecl
  - | PsErrIllegalDataTypeContext !(LHsContext GhcPs)
  - | PsErrParseErrorOnInput !OccName
  - | PsErrMalformedDecl !SDoc !RdrName
  - | PsErrNotADataCon !RdrName
  - | PsErrRecordSyntaxInPatSynDecl !(LPat GhcPs)
  - | PsErrEmptyWhereInPatSynDecl !RdrName
  - | PsErrInvalidWhereBindInPatSynDecl !RdrName !(HsDecl GhcPs)
  - | PsErrNoSingleWhereBindInPatSynDecl !RdrName !(HsDecl GhcPs)
  - | PsErrDeclSpliceNotAtTopLevel !(SpliceDecl GhcPs)
  - | PsErrInferredTypeVarNotAllowed
  - | PsErrMultipleNamesInStandaloneKindSignature [LIdP GhcPs]
  - | PsErrIllegalImportBundleForm
  - | PsErrIllegalRoleName !FastString [Role]
  - | PsErrInvalidTypeSignature !PsInvalidTypeSignature !(LHsExpr GhcPs)
  - | PsErrUnexpectedTypeInDecl !(LHsType GhcPs) !SDoc !RdrName [LHsTypeArg GhcPs] !SDoc
  - | PsErrExpectedHyphen
  - | PsErrSpaceInSCC
  - | PsErrEmptyDoubleQuotes !Bool
  - | PsErrInvalidPackageName !FastString
  - | PsErrInvalidRuleActivationMarker
  - | PsErrLinearFunction
  - | PsErrMultiWayIf
  - | PsErrExplicitForall !Bool
  - | PsErrIllegalQualifiedDo !SDoc
  - | PsErrCmmParser !CmmParserError
  - | PsErrIllegalTraditionalRecordSyntax !SDoc
  - | PsErrParseErrorInCmd !SDoc
  - | PsErrInPat !(PatBuilder GhcPs) !PsErrInPatDetails
  - | PsErrParseRightOpSectionInPat !RdrName !(PatBuilder GhcPs)
  - | PsErrIllegalGadtRecordMultiplicity !(HsArrow GhcPs)
  - | PsErrInvalidCApiImport
  - | PsErrMultipleConForNewtype !RdrName !Int
  - | PsErrUnicodeCharLooksLike Char Char String
  - | PsErrInvalidPun !PsErrPunDetails
- data PsErrParseDetails = PsErrParseDetails {
  - ped_th_enabled :: !Bool
  - ped_do_in_last_100 :: !Bool
  - ped_mdo_in_last_100 :: !Bool
  - ped_pat_syn_enabled :: !Bool
  - ped_pattern_parsed :: !Bool
  }
- data PsInvalidTypeSignature
  - = PsErrInvalidTypeSig_Qualified
  - | PsErrInvalidTypeSig_DataCon
  - | PsErrInvalidTypeSig_Other
- data PatIsRecursive
  - = YesPatIsRecursive
  - | NoPatIsRecursive
- data PatIncompleteDoBlock
  - = YesIncompleteDoBlock
  - | NoIncompleteDoBlock
- data ParseContext = ParseContext {
  - is_infix :: !(Maybe RdrName)
  - incomplete_do_block :: !PatIncompleteDoBlock
  }
- data PsErrInPatDetails
  - = PEIP_NegApp
  - | PEIP_TypeArgs [HsConPatTyArg GhcPs]
  - | PEIP_RecPattern [LPat GhcPs] !PatIsRecursive !ParseContext
  - | PEIP_OtherPatDetails !ParseContext
- data PsErrPunDetails
  - = PEP_QuoteDisambiguation
  - | PEP_TupleSyntaxType
  - | PEP_SumSyntaxType
- noParseContext :: ParseContext
- incompleteDoBlock :: ParseContext
- fromParseContext :: ParseContext -> PsErrInPatDetails
- data NumUnderscoreReason
  - = NumUnderscore_Integral
  - | NumUnderscore_Float
- data LexErrKind
  - = LexErrKind_EOF
  - | LexErrKind_UTF8
  - | LexErrKind_Char !Char
- data LexErr
  - = LexError
  - | LexUnknownPragma
  - | LexErrorInPragma
  - | LexNumEscapeRange
  - | LexStringCharLit
  - | LexStringCharLitEOF
  - | LexUnterminatedComment
  - | LexUnterminatedOptions
  - | LexUnterminatedQQ
- data CmmParserError
  - = CmmUnknownPrimitive !FastString
  - | CmmUnknownMacro !FastString
  - | CmmUnknownCConv !String
  - | CmmUnrecognisedSafety !String
  - | CmmUnrecognisedHint !String
- data TransLayoutReason
  - = TransLayout_Where
  - | TransLayout_Pipe
- data FileHeaderPragmaType
  - = OptionsPrag
  - | IncludePrag
  - | LanguagePrag
  - | DocOptionsPrag

# Documentation

type PsWarning = PsMessage #

type PsError = PsMessage #

data PsHeaderMessage #

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 # |
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-lib-parser-9.10.1.20250103-FaHJOkjTl0Y9STmjhYbIHo" '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))))
Methods from :: PsHeaderMessage -> Rep PsHeaderMessage x # to :: Rep PsHeaderMessage x -> PsHeaderMessage #
type Rep PsHeaderMessage # |
Instance details Defined in GHC.Parser.Errors.Types type Rep PsHeaderMessage = D1 ('MetaData "PsHeaderMessage" "GHC.Parser.Errors.Types" "ghc-lib-parser-9.10.1.20250103-FaHJOkjTl0Y9STmjhYbIHo" '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 #

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 |
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
PsErrViewPatInExpr !(LHsExpr GhcPs) !(LHsExpr GhcPs) | View-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 !(HsExpr GhcPs) conditional expr !Bool "then" semi-colon? !(HsExpr GhcPs) "then" expr !Bool "else" semi-colon? !(HsExpr GhcPs) "else" expr
PsErrSemiColonsInCondCmd | Unexpected semi-colons in conditional command
Fields !(HsExpr GhcPs) conditional expr !Bool "then" semi-colon? !(HsCmd GhcPs) "then" expr !Bool "else" semi-colon? !(HsCmd GhcPs) "else" expr
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 !Bool Is TH on?
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 |

#### Instances

Instances details

Generic PsMessage # |
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-lib-parser-9.10.1.20250103-FaHJOkjTl0Y9STmjhYbIHo" '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 "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 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Methods from :: PsMessage -> Rep PsMessage x # to :: Rep PsMessage x -> PsMessage #
Diagnostic PsMessage # |
Instance details Defined in GHC.Parser.Errors.Ppr Associated Types
type DiagnosticOpts PsMessage |
Instance details Defined in GHC.Parser.Errors.Ppr type DiagnosticOpts PsMessage = NoDiagnosticOpts
Methods diagnosticMessage :: DiagnosticOpts PsMessage -> PsMessage -> DecoratedSDoc # diagnosticReason :: PsMessage -> DiagnosticReason # diagnosticHints :: PsMessage -> [GhcHint] # diagnosticCode :: PsMessage -> Maybe DiagnosticCode #
type Rep PsMessage # |
Instance details Defined in GHC.Parser.Errors.Types type Rep PsMessage = D1 ('MetaData "PsMessage" "GHC.Parser.Errors.Types" "ghc-lib-parser-9.10.1.20250103-FaHJOkjTl0Y9STmjhYbIHo" '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 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('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 "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)) 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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 "PsErrViewPatInExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs)) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr 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 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Bool)) :*: (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsCmd GhcPs)) :*: (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Bool) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsCmd GhcPs))))) :+: (C1 ('MetaCons "PsErrAtInPatPos" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrCaseCmdInFunAppCmd" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsCmd GhcPs))))) :+: ((C1 ('MetaCons "PsErrLambdaCmdInFunAppCmd" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 HsLamVariant) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsCmd GhcPs))) :+: C1 ('MetaCons "PsErrIfCmdInFunAppCmd" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsCmd GhcPs)))) :+: (C1 ('MetaCons "PsErrLetCmdInFunAppCmd" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsCmd GhcPs))) :+: C1 ('MetaCons "PsErrDoCmdInFunAppCmd" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsCmd GhcPs))))))) :+: (((C1 ('MetaCons "PsErrDoInFunAppExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (Maybe ModuleName)) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))) :+: (C1 ('MetaCons "PsErrMDoInFunAppExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (Maybe ModuleName)) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))) :+: C1 ('MetaCons "PsErrCaseInFunAppExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))))) :+: ((C1 ('MetaCons "PsErrLambdaInFunAppExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 HsLamVariant) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))) :+: C1 ('MetaCons "PsErrLetInFunAppExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs)))) :+: (C1 ('MetaCons "PsErrIfInFunAppExpr" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LHsExpr GhcPs))) :+: C1 ('MetaCons "PsErrProcInFunAppExpr" '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 'SourceStrict 'DecidedStrict) (Rec0 RdrName))) :+: (C1 ('MetaCons "PsErrNotADataCon" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName)) :+: C1 ('MetaCons "PsErrRecordSyntaxInPatSynDecl" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (LPat GhcPs)))))))) :+: ((((C1 ('MetaCons "PsErrEmptyWhereInPatSynDecl" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName)) :+: (C1 ('MetaCons "PsErrInvalidWhereBindInPatSynDecl" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsDecl GhcPs))) :+: C1 ('MetaCons "PsErrNoSingleWhereBindInPatSynDecl" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) '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 :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 SDoc))) :+: (C1 ('MetaCons "PsErrCmmParser" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 CmmParserError)) :+: C1 ('MetaCons "PsErrIllegalTraditionalRecordSyntax" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 SDoc))))) :+: (((C1 ('MetaCons "PsErrParseErrorInCmd" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 SDoc)) :+: C1 ('MetaCons "PsErrInPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (PatBuilder GhcPs)) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 PsErrInPatDetails))) :+: (C1 ('MetaCons "PsErrParseRightOpSectionInPat" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (PatBuilder GhcPs))) :+: C1 ('MetaCons "PsErrIllegalGadtRecordMultiplicity" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 (HsArrow GhcPs))))) :+: ((C1 ('MetaCons "PsErrInvalidCApiImport" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "PsErrMultipleConForNewtype" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 RdrName) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'SourceStrict 'DecidedStrict) (Rec0 Int))) :+: (C1 ('MetaCons "PsErrUnicodeCharLooksLike" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Char) :*: (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness '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)))))))))
type DiagnosticOpts PsMessage # |
Instance details Defined in GHC.Parser.Errors.Ppr type DiagnosticOpts PsMessage = NoDiagnosticOpts

data PsErrParseDetails #

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

Constructors

PsErrParseDetails |
Fields ped_th_enabled :: !Bool ped_do_in_last_100 :: !Bool Is there a 'do' in the last 100 characters? ped_mdo_in_last_100 :: !Bool Is there an `mdo` in the last 100 characters? ped_pat_syn_enabled :: !Bool Is `PatternSynonyms` enabled? ped_pattern_parsed :: !Bool Did we parse a "pattern" keyword?

data PsInvalidTypeSignature #

Constructors

PsErrInvalidTypeSig_Qualified |
PsErrInvalidTypeSig_DataCon |
PsErrInvalidTypeSig_Other |

data PatIsRecursive #

Is the parsed pattern recursive?

Constructors

YesPatIsRecursive |
NoPatIsRecursive |

data PatIncompleteDoBlock #

Constructors

YesIncompleteDoBlock |
NoIncompleteDoBlock |

#### Instances

Instances details

Eq PatIncompleteDoBlock # |
Instance details Defined in GHC.Parser.Errors.Types Methods (==) :: PatIncompleteDoBlock -> PatIncompleteDoBlock -> Bool # (/=) :: PatIncompleteDoBlock -> PatIncompleteDoBlock -> Bool #

data ParseContext #

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 is_infix :: !(Maybe RdrName) If `Just`, this is an infix pattern with the bound operator name incomplete_do_block :: !PatIncompleteDoBlock Did the parser likely fail due to an incomplete do block?

#### Instances

Instances details

Eq ParseContext # |
Instance details Defined in GHC.Parser.Errors.Types Methods (==) :: ParseContext -> ParseContext -> Bool # (/=) :: ParseContext -> ParseContext -> Bool #

data PsErrInPatDetails #

Constructors

PEIP_NegApp | Negative application pattern?
PEIP_TypeArgs [HsConPatTyArg GhcPs] | The list of type arguments for the pattern
PEIP_RecPattern |
Fields [LPat GhcPs] The pattern arguments !PatIsRecursive Is the parsed pattern recursive? !ParseContext
PEIP_OtherPatDetails !ParseContext |

data PsErrPunDetails #

Constructors

PEP_QuoteDisambiguation |
PEP_TupleSyntaxType |
PEP_SumSyntaxType |

noParseContext :: ParseContext #

incompleteDoBlock :: ParseContext #

fromParseContext :: ParseContext -> PsErrInPatDetails #

Builds a `PsErrInPatDetails` with the information provided by the `ParseContext`.

data NumUnderscoreReason #

Constructors

NumUnderscore_Integral |
NumUnderscore_Float |

#### Instances

Instances details

Show NumUnderscoreReason # |
Instance details Defined in GHC.Parser.Errors.Types Methods showsPrec :: Int -> NumUnderscoreReason -> ShowS # show :: NumUnderscoreReason -> String # showList :: [NumUnderscoreReason] -> ShowS #
Eq NumUnderscoreReason # |
Instance details Defined in GHC.Parser.Errors.Types Methods (==) :: NumUnderscoreReason -> NumUnderscoreReason -> Bool # (/=) :: NumUnderscoreReason -> NumUnderscoreReason -> Bool #
Ord NumUnderscoreReason # |
Instance details Defined in GHC.Parser.Errors.Types Methods compare :: NumUnderscoreReason -> NumUnderscoreReason -> Ordering # (<) :: NumUnderscoreReason -> NumUnderscoreReason -> Bool # (<=) :: NumUnderscoreReason -> NumUnderscoreReason -> Bool # (>) :: NumUnderscoreReason -> NumUnderscoreReason -> Bool # (>=) :: NumUnderscoreReason -> NumUnderscoreReason -> Bool # max :: NumUnderscoreReason -> NumUnderscoreReason -> NumUnderscoreReason # min :: NumUnderscoreReason -> NumUnderscoreReason -> NumUnderscoreReason #

data LexErrKind #

Constructors

LexErrKind_EOF | End of input
LexErrKind_UTF8 | UTF-8 decoding error
LexErrKind_Char !Char | Error at given character

#### Instances

Instances details

Show LexErrKind # |
Instance details Defined in GHC.Parser.Errors.Types Methods showsPrec :: Int -> LexErrKind -> ShowS # show :: LexErrKind -> String # showList :: [LexErrKind] -> ShowS #
Eq LexErrKind # |
Instance details Defined in GHC.Parser.Errors.Types Methods (==) :: LexErrKind -> LexErrKind -> Bool # (/=) :: LexErrKind -> LexErrKind -> Bool #
Ord LexErrKind # |
Instance details Defined in GHC.Parser.Errors.Types Methods compare :: LexErrKind -> LexErrKind -> Ordering # (<) :: LexErrKind -> LexErrKind -> Bool # (<=) :: LexErrKind -> LexErrKind -> Bool # (>) :: LexErrKind -> LexErrKind -> Bool # (>=) :: LexErrKind -> LexErrKind -> Bool # max :: LexErrKind -> LexErrKind -> LexErrKind # min :: LexErrKind -> LexErrKind -> LexErrKind #

data LexErr #

Constructors

LexError | Lexical error
LexUnknownPragma | Unknown pragma
LexErrorInPragma | Lexical error in pragma
LexNumEscapeRange | Numeric escape sequence out of range
LexStringCharLit | Lexical error in string/character literal
LexStringCharLitEOF | Unexpected end-of-file in string/character literal
LexUnterminatedComment | Unterminated `{-'
LexUnterminatedOptions | Unterminated OPTIONS pragma
LexUnterminatedQQ | Unterminated quasiquotation

data CmmParserError #

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 #

Constructors

TransLayout_Where | "`where' clause at the same depth as implicit layout block"
TransLayout_Pipe | "`|' at the same depth as implicit layout block")

data FileHeaderPragmaType #

Constructors

OptionsPrag |
IncludePrag |
LanguagePrag |
DocOptionsPrag |