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CompilerDiagnostics.fs
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CompilerDiagnostics.fs
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// Copyright (c) Microsoft Corporation. All Rights Reserved. See License.txt in the project root for license information.
/// Contains logic to prepare, post-process, filter and emit compiler diagnsotics
module internal FSharp.Compiler.CompilerDiagnostics
open System
open System.Diagnostics
open System.IO
open System.Reflection
open System.Text
open Internal.Utilities.Library.Extras
open Internal.Utilities.Library
open Internal.Utilities.Text
open FSharp.Compiler
open FSharp.Compiler.AttributeChecking
open FSharp.Compiler.CheckExpressions
open FSharp.Compiler.CheckDeclarations
open FSharp.Compiler.CheckIncrementalClasses
open FSharp.Compiler.CompilerConfig
open FSharp.Compiler.CompilerImports
open FSharp.Compiler.ConstraintSolver
open FSharp.Compiler.DiagnosticMessage
open FSharp.Compiler.Diagnostics
open FSharp.Compiler.DiagnosticsLogger
open FSharp.Compiler.Infos
open FSharp.Compiler.IO
open FSharp.Compiler.Lexhelp
open FSharp.Compiler.MethodCalls
open FSharp.Compiler.MethodOverrides
open FSharp.Compiler.NameResolution
open FSharp.Compiler.ParseHelpers
open FSharp.Compiler.SignatureConformance
open FSharp.Compiler.Syntax
open FSharp.Compiler.Syntax.PrettyNaming
open FSharp.Compiler.Text
open FSharp.Compiler.Text.Position
open FSharp.Compiler.Text.Range
open FSharp.Compiler.TypedTree
open FSharp.Compiler.TypedTreeBasics
open FSharp.Compiler.TypedTreeOps
#if DEBUG
let showAssertForUnexpectedException = ref true
#endif
/// This exception is an old-style way of reporting a diagnostic
exception HashIncludeNotAllowedInNonScript of range
/// This exception is an old-style way of reporting a diagnostic
exception HashReferenceNotAllowedInNonScript of range
/// This exception is an old-style way of reporting a diagnostic
exception HashLoadedSourceHasIssues of informationals: exn list * warnings: exn list * errors: exn list * range
/// This exception is an old-style way of reporting a diagnostic
exception HashLoadedScriptConsideredSource of range
/// This exception is an old-style way of reporting a diagnostic
exception HashDirectiveNotAllowedInNonScript of range
/// This exception is an old-style way of reporting a diagnostic
exception DeprecatedCommandLineOptionFull of string * range
/// This exception is an old-style way of reporting a diagnostic
exception DeprecatedCommandLineOptionForHtmlDoc of string * range
/// This exception is an old-style way of reporting a diagnostic
exception DeprecatedCommandLineOptionSuggestAlternative of string * string * range
/// This exception is an old-style way of reporting a diagnostic
exception DeprecatedCommandLineOptionNoDescription of string * range
/// This exception is an old-style way of reporting a diagnostic
exception InternalCommandLineOption of string * range
type Exception with
member exn.DiagnosticRange =
match exn with
| ArgumentsInSigAndImplMismatch(_, implArg) -> Some implArg.idRange
| ErrorFromAddingConstraint(_, exn2, _) -> exn2.DiagnosticRange
#if !NO_TYPEPROVIDERS
| TypeProviders.ProvidedTypeResolutionNoRange exn -> exn.DiagnosticRange
| TypeProviders.ProvidedTypeResolution(m, _)
#endif
| ReservedKeyword(_, m)
| IndentationProblem(_, m)
| ErrorFromAddingTypeEquation(_, _, _, _, _, m)
| ErrorFromApplyingDefault(_, _, _, _, _, m)
| ErrorsFromAddingSubsumptionConstraint(_, _, _, _, _, _, m)
| FunctionExpected(_, _, m)
| BakedInMemberConstraintName(_, m)
| StandardOperatorRedefinitionWarning(_, m)
| BadEventTransformation m
| ParameterlessStructCtor m
| FieldNotMutable(_, _, m)
| Recursion(_, _, _, _, m)
| InvalidRuntimeCoercion(_, _, _, m)
| IndeterminateRuntimeCoercion(_, _, _, m)
| IndeterminateStaticCoercion(_, _, _, m)
| StaticCoercionShouldUseBox(_, _, _, m)
| CoercionTargetSealed(_, _, m)
| UpcastUnnecessary m
| QuotationTranslator.IgnoringPartOfQuotedTermWarning(_, m)
| TypeTestUnnecessary m
| RuntimeCoercionSourceSealed(_, _, m)
| OverrideDoesntOverride(_, _, _, _, _, m)
| UnionPatternsBindDifferentNames m
| UnionCaseWrongArguments(_, _, _, m)
| TypeIsImplicitlyAbstract m
| RequiredButNotSpecified(_, _, _, _, m)
| FunctionValueUnexpected(_, _, m)
| UnitTypeExpected(_, _, m)
| UnitTypeExpectedWithEquality(_, _, m)
| UnitTypeExpectedWithPossiblePropertySetter(_, _, _, _, m)
| UnitTypeExpectedWithPossibleAssignment(_, _, _, _, m)
| UseOfAddressOfOperator m
| DeprecatedThreadStaticBindingWarning m
| NonUniqueInferredAbstractSlot(_, _, _, _, _, m)
| DefensiveCopyWarning(_, m)
| LetRecCheckedAtRuntime m
| UpperCaseIdentifierInPattern m
| NotUpperCaseConstructor m
| NotUpperCaseConstructorWithoutRQA m
| RecursiveUseCheckedAtRuntime(_, _, m)
| LetRecEvaluatedOutOfOrder(_, _, _, m)
| DiagnosticWithText(_, _, m)
| DiagnosticWithSuggestions(_, _, m, _, _)
| DiagnosticEnabledWithLanguageFeature(_, _, m, _)
| SyntaxError(_, m)
| InternalError(_, m)
| InternalException(_, _, m)
| InterfaceNotRevealed(_, _, m)
| WrappedError(_, m)
| PatternMatchCompilation.MatchIncomplete(_, _, m)
| PatternMatchCompilation.EnumMatchIncomplete(_, _, m)
| PatternMatchCompilation.RuleNeverMatched m
| ValNotMutable(_, _, m)
| ValNotLocal(_, _, m)
| MissingFields(_, m)
| OverrideInIntrinsicAugmentation m
| IntfImplInIntrinsicAugmentation m
| OverrideInExtrinsicAugmentation m
| IntfImplInExtrinsicAugmentation m
| ValueRestriction(_, _, _, _, m)
| LetRecUnsound(_, _, m)
| ObsoleteError(_, m)
| ObsoleteWarning(_, m)
| Experimental(_, m)
| PossibleUnverifiableCode m
| UserCompilerMessage(_, _, m)
| Deprecated(_, m)
| LibraryUseOnly m
| FieldsFromDifferentTypes(_, _, _, m)
| IndeterminateType m
| TyconBadArgs(_, _, _, m) -> Some m
| FieldNotContained(_, _, _, _, arf, _, _) -> Some arf.Range
| ValueNotContained(_, _, _, aval, _, _) -> Some aval.Range
| UnionCaseNotContained(_, _, _, aval, _, _) -> Some aval.Id.idRange
| FSharpExceptionNotContained(_, _, aexnc, _, _) -> Some aexnc.Range
| VarBoundTwice id
| UndefinedName(_, _, id, _) -> Some id.idRange
| Duplicate(_, _, m)
| NameClash(_, _, _, m, _, _, _)
| UnresolvedOverloading(_, _, _, m)
| UnresolvedConversionOperator(_, _, _, m)
| VirtualAugmentationOnNullValuedType m
| NonVirtualAugmentationOnNullValuedType m
| NonRigidTypar(_, _, _, _, _, m)
| ConstraintSolverTupleDiffLengths(_, _, _, _, m, _)
| ConstraintSolverInfiniteTypes(_, _, _, _, m, _)
| ConstraintSolverMissingConstraint(_, _, _, m, _)
| ConstraintSolverTypesNotInEqualityRelation(_, _, _, m, _, _)
| ConstraintSolverError(_, m, _)
| ConstraintSolverTypesNotInSubsumptionRelation(_, _, _, m, _)
| SelfRefObjCtor(_, m) -> Some m
| NotAFunction(_, _, mfun, _) -> Some mfun
| NotAFunctionButIndexer(_, _, _, mfun, _, _) -> Some mfun
| IllegalFileNameChar _ -> Some rangeCmdArgs
| UnresolvedReferenceError(_, m)
| UnresolvedPathReference(_, _, m)
| DeprecatedCommandLineOptionFull(_, m)
| DeprecatedCommandLineOptionForHtmlDoc(_, m)
| DeprecatedCommandLineOptionSuggestAlternative(_, _, m)
| DeprecatedCommandLineOptionNoDescription(_, m)
| InternalCommandLineOption(_, m)
| HashIncludeNotAllowedInNonScript m
| HashReferenceNotAllowedInNonScript m
| HashDirectiveNotAllowedInNonScript m
| FileNameNotResolved(_, _, m)
| LoadedSourceNotFoundIgnoring(_, m)
| MSBuildReferenceResolutionWarning(_, _, m)
| MSBuildReferenceResolutionError(_, _, m)
| AssemblyNotResolved(_, m)
| HashLoadedSourceHasIssues(_, _, _, m)
| HashLoadedScriptConsideredSource m -> Some m
// Strip TargetInvocationException wrappers
| :? System.Reflection.TargetInvocationException as e -> e.InnerException.DiagnosticRange
#if !NO_TYPEPROVIDERS
| :? TypeProviderError as e -> e.Range |> Some
#endif
| _ -> None
member exn.DiagnosticNumber =
match exn with
// DO NOT CHANGE THESE NUMBERS
| ErrorFromAddingTypeEquation _ -> 1
| FunctionExpected _ -> 2
| NotAFunctionButIndexer _ -> 3217
| NotAFunction _ -> 3
| FieldNotMutable _ -> 5
| Recursion _ -> 6
| InvalidRuntimeCoercion _ -> 7
| IndeterminateRuntimeCoercion _ -> 8
| PossibleUnverifiableCode _ -> 9
| SyntaxError _ -> 10
// 11 cannot be reused
// 12 cannot be reused
| IndeterminateStaticCoercion _ -> 13
| StaticCoercionShouldUseBox _ -> 14
// 15 cannot be reused
| RuntimeCoercionSourceSealed _ -> 16
| OverrideDoesntOverride _ -> 17
| UnionPatternsBindDifferentNames _ -> 18
| UnionCaseWrongArguments _ -> 19
| UnitTypeExpected _ -> 20
| UnitTypeExpectedWithEquality _ -> 20
| UnitTypeExpectedWithPossiblePropertySetter _ -> 20
| UnitTypeExpectedWithPossibleAssignment _ -> 20
| RecursiveUseCheckedAtRuntime _ -> 21
| LetRecEvaluatedOutOfOrder _ -> 22
| NameClash _ -> 23
// 24 cannot be reused
| PatternMatchCompilation.MatchIncomplete _ -> 25
| PatternMatchCompilation.RuleNeverMatched _ -> 26
| ValNotMutable _ -> 27
| ValNotLocal _ -> 28
| MissingFields _ -> 29
| ValueRestriction _ -> 30
| LetRecUnsound _ -> 31
| FieldsFromDifferentTypes _ -> 32
| TyconBadArgs _ -> 33
| ValueNotContained _ -> 34
| Deprecated _ -> 35
| UnionCaseNotContained _ -> 36
| Duplicate _ -> 37
| VarBoundTwice _ -> 38
| UndefinedName _ -> 39
| LetRecCheckedAtRuntime _ -> 40
| UnresolvedOverloading _ -> 41
| LibraryUseOnly _ -> 42
| ErrorFromAddingConstraint _ -> 43
| ObsoleteWarning _ -> 44
| ReservedKeyword _ -> 46
| SelfRefObjCtor _ -> 47
| VirtualAugmentationOnNullValuedType _ -> 48
| UpperCaseIdentifierInPattern _ -> 49
| InterfaceNotRevealed _ -> 50
| UseOfAddressOfOperator _ -> 51
| DefensiveCopyWarning _ -> 52
| NotUpperCaseConstructor _ -> 53
| NotUpperCaseConstructorWithoutRQA _ -> 53
| TypeIsImplicitlyAbstract _ -> 54
// 55 cannot be reused
| DeprecatedThreadStaticBindingWarning _ -> 56
| Experimental _ -> 57
| IndentationProblem _ -> 58
| CoercionTargetSealed _ -> 59
| OverrideInIntrinsicAugmentation _ -> 60
| NonVirtualAugmentationOnNullValuedType _ -> 61
| UserCompilerMessage(_, n, _) -> n
| FSharpExceptionNotContained _ -> 63
| NonRigidTypar _ -> 64
// 65 cannot be reused
| UpcastUnnecessary _ -> 66
| TypeTestUnnecessary _ -> 67
| QuotationTranslator.IgnoringPartOfQuotedTermWarning _ -> 68
| IntfImplInIntrinsicAugmentation _ -> 69
| NonUniqueInferredAbstractSlot _ -> 70
| ErrorFromApplyingDefault _ -> 71
| IndeterminateType _ -> 72
| InternalError _ -> 73
| UnresolvedReferenceNoRange _
| UnresolvedReferenceError _
| UnresolvedPathReferenceNoRange _
| UnresolvedPathReference _ -> 74
| DeprecatedCommandLineOptionFull _
| DeprecatedCommandLineOptionForHtmlDoc _
| DeprecatedCommandLineOptionSuggestAlternative _
| DeprecatedCommandLineOptionNoDescription _
| InternalCommandLineOption _ -> 75
| HashIncludeNotAllowedInNonScript _
| HashReferenceNotAllowedInNonScript _
| HashDirectiveNotAllowedInNonScript _ -> 76
| BakedInMemberConstraintName _ -> 77
| FileNameNotResolved _ -> 78
| LoadedSourceNotFoundIgnoring _ -> 79
// 80 cannot be reused
| ParameterlessStructCtor _ -> 81
| MSBuildReferenceResolutionWarning _ -> 82
| MSBuildReferenceResolutionError _ -> 83
| AssemblyNotResolved _ -> 84
| HashLoadedSourceHasIssues _ -> 85
| StandardOperatorRedefinitionWarning _ -> 86
| InvalidInternalsVisibleToAssemblyName _ -> 87
// 88 cannot be reused
| OverrideInExtrinsicAugmentation _ -> 89
| IntfImplInExtrinsicAugmentation _ -> 90
| BadEventTransformation _ -> 91
| HashLoadedScriptConsideredSource _ -> 92
| UnresolvedConversionOperator _ -> 93
| ArgumentsInSigAndImplMismatch _ -> 3218
// avoid 94-100 for safety
| ObsoleteError _ -> 101
#if !NO_TYPEPROVIDERS
| TypeProviders.ProvidedTypeResolutionNoRange _
| TypeProviders.ProvidedTypeResolution _ -> 103
#endif
| PatternMatchCompilation.EnumMatchIncomplete _ -> 104
// Strip TargetInvocationException wrappers
| :? TargetInvocationException as e -> e.InnerException.DiagnosticNumber
| WrappedError(e, _) -> e.DiagnosticNumber
| DiagnosticWithText(n, _, _) -> n
| DiagnosticWithSuggestions(n, _, _, _, _) -> n
| DiagnosticEnabledWithLanguageFeature(n, _, _, _) -> n
| Failure _ -> 192
| IllegalFileNameChar(fileName, invalidChar) -> fst (FSComp.SR.buildUnexpectedFileNameCharacter (fileName, string invalidChar))
#if !NO_TYPEPROVIDERS
| :? TypeProviderError as e -> e.Number
#endif
| ErrorsFromAddingSubsumptionConstraint(_, _, _, _, _, ContextInfo.DowncastUsedInsteadOfUpcast _, _) ->
fst (FSComp.SR.considerUpcast ("", ""))
| _ -> 193
type PhasedDiagnostic with
member x.Range = x.Exception.DiagnosticRange
member x.Number = x.Exception.DiagnosticNumber
member x.WarningLevel =
match x.Exception with
// Level 5 warnings
| RecursiveUseCheckedAtRuntime _
| LetRecEvaluatedOutOfOrder _
| DefensiveCopyWarning _ -> 5
| DiagnosticWithText(n, _, _)
| DiagnosticEnabledWithLanguageFeature(n, _, _, _)
| DiagnosticWithSuggestions(n, _, _, _, _) ->
// 1178, tcNoComparisonNeeded1, "The struct, record or union type '%s' is not structurally comparable because the type parameter %s does not satisfy the 'comparison' constraint..."
// 1178, tcNoComparisonNeeded2, "The struct, record or union type '%s' is not structurally comparable because the type '%s' does not satisfy the 'comparison' constraint...."
// 1178, tcNoEqualityNeeded1, "The struct, record or union type '%s' does not support structural equality because the type parameter %s does not satisfy the 'equality' constraint..."
// 1178, tcNoEqualityNeeded2, "The struct, record or union type '%s' does not support structural equality because the type '%s' does not satisfy the 'equality' constraint...."
if (n = 1178) then 5 else 2
// Level 2
| _ -> 2
member x.IsEnabled(severity, options) =
let level = options.WarnLevel
let specificWarnOn = options.WarnOn
let n = x.Number
List.contains n specificWarnOn
||
// Some specific warnings/informational are never on by default, i.e. unused variable warnings
match n with
| 1182 -> false // chkUnusedValue - off by default
| 3180 -> false // abImplicitHeapAllocation - off by default
| 3186 -> false // pickleMissingDefinition - off by default
| 3366 -> false // tcIndexNotationDeprecated - currently off by default
| 3517 -> false // optFailedToInlineSuggestedValue - off by default
| 3388 -> false // tcSubsumptionImplicitConversionUsed - off by default
| 3389 -> false // tcBuiltInImplicitConversionUsed - off by default
| 3390 -> false // xmlDocBadlyFormed - off by default
| 3395 -> false // tcImplicitConversionUsedForMethodArg - off by default
| 3559 -> false // typrelNeverRefinedAwayFromTop - off by default
| 3560 -> false // tcCopyAndUpdateRecordChangesAllFields - off by default
| 3579 -> false // alwaysUseTypedStringInterpolation - off by default
| 3582 -> false // infoIfFunctionShadowsUnionCase - off by default
| 3570 -> false // tcAmbiguousDiscardDotLambda - off by default
| _ ->
match x.Exception with
| DiagnosticEnabledWithLanguageFeature(_, _, _, enabled) -> enabled
| _ ->
(severity = FSharpDiagnosticSeverity.Info && level > 0)
|| (severity = FSharpDiagnosticSeverity.Warning && level >= x.WarningLevel)
/// Indicates if a diagnostic should be reported as an informational
member x.ReportAsInfo(options, severity) =
match severity with
| FSharpDiagnosticSeverity.Error -> false
| FSharpDiagnosticSeverity.Warning -> false
| FSharpDiagnosticSeverity.Info -> x.IsEnabled(severity, options) && not (List.contains x.Number options.WarnOff)
| FSharpDiagnosticSeverity.Hidden -> false
/// Indicates if a diagnostic should be reported as a warning
member x.ReportAsWarning(options, severity) =
match severity with
| FSharpDiagnosticSeverity.Error -> false
| FSharpDiagnosticSeverity.Warning -> x.IsEnabled(severity, options) && not (List.contains x.Number options.WarnOff)
// Informational become warning if explicitly on and not explicitly off
| FSharpDiagnosticSeverity.Info ->
let n = x.Number
List.contains n options.WarnOn && not (List.contains n options.WarnOff)
| FSharpDiagnosticSeverity.Hidden -> false
/// Indicates if a diagnostic should be reported as an error
member x.ReportAsError(options, severity) =
match severity with
| FSharpDiagnosticSeverity.Error -> true
// Warnings become errors in some situations
| FSharpDiagnosticSeverity.Warning ->
let n = x.Number
x.IsEnabled(severity, options)
&& not (List.contains n options.WarnAsWarn)
&& ((options.GlobalWarnAsError && not (List.contains n options.WarnOff))
|| List.contains n options.WarnAsError)
// Informational become errors if explicitly WarnAsError
| FSharpDiagnosticSeverity.Info -> List.contains x.Number options.WarnAsError
| FSharpDiagnosticSeverity.Hidden -> false
[<AutoOpen>]
module OldStyleMessages =
let Message (name, format) = DeclareResourceString(name, format)
do FSComp.SR.RunStartupValidation()
let SeeAlsoE () = Message("SeeAlso", "%s")
let ConstraintSolverTupleDiffLengthsE () = Message("ConstraintSolverTupleDiffLengths", "%d%d")
let ConstraintSolverInfiniteTypesE () = Message("ConstraintSolverInfiniteTypes", "%s%s")
let ConstraintSolverMissingConstraintE () = Message("ConstraintSolverMissingConstraint", "%s")
let ConstraintSolverTypesNotInEqualityRelation1E () = Message("ConstraintSolverTypesNotInEqualityRelation1", "%s%s")
let ConstraintSolverTypesNotInEqualityRelation2E () = Message("ConstraintSolverTypesNotInEqualityRelation2", "%s%s")
let ConstraintSolverTypesNotInSubsumptionRelationE () = Message("ConstraintSolverTypesNotInSubsumptionRelation", "%s%s%s")
let ErrorFromAddingTypeEquation1E () = Message("ErrorFromAddingTypeEquation1", "%s%s%s")
let ErrorFromAddingTypeEquation2E () = Message("ErrorFromAddingTypeEquation2", "%s%s%s")
let ErrorFromAddingTypeEquationTuplesE () = Message("ErrorFromAddingTypeEquationTuples", "%d%s%d%s%s")
let ErrorFromApplyingDefault1E () = Message("ErrorFromApplyingDefault1", "%s")
let ErrorFromApplyingDefault2E () = Message("ErrorFromApplyingDefault2", "")
let ErrorsFromAddingSubsumptionConstraintE () = Message("ErrorsFromAddingSubsumptionConstraint", "%s%s%s")
let UpperCaseIdentifierInPatternE () = Message("UpperCaseIdentifierInPattern", "")
let NotUpperCaseConstructorE () = Message("NotUpperCaseConstructor", "")
let NotUpperCaseConstructorWithoutRQAE () = Message("NotUpperCaseConstructorWithoutRQA", "")
let FunctionExpectedE () = Message("FunctionExpected", "")
let BakedInMemberConstraintNameE () = Message("BakedInMemberConstraintName", "%s")
let BadEventTransformationE () = Message("BadEventTransformation", "")
let ParameterlessStructCtorE () = Message("ParameterlessStructCtor", "")
let InterfaceNotRevealedE () = Message("InterfaceNotRevealed", "%s")
let TyconBadArgsE () = Message("TyconBadArgs", "%s%d%d")
let IndeterminateTypeE () = Message("IndeterminateType", "")
let NameClash1E () = Message("NameClash1", "%s%s")
let NameClash2E () = Message("NameClash2", "%s%s%s%s%s")
let Duplicate1E () = Message("Duplicate1", "%s")
let Duplicate2E () = Message("Duplicate2", "%s%s")
let UndefinedName2E () = Message("UndefinedName2", "")
let FieldNotMutableE () = Message("FieldNotMutable", "")
let FieldsFromDifferentTypesE () = Message("FieldsFromDifferentTypes", "%s%s")
let VarBoundTwiceE () = Message("VarBoundTwice", "%s")
let RecursionE () = Message("Recursion", "%s%s%s%s")
let InvalidRuntimeCoercionE () = Message("InvalidRuntimeCoercion", "%s%s%s")
let IndeterminateRuntimeCoercionE () = Message("IndeterminateRuntimeCoercion", "%s%s")
let IndeterminateStaticCoercionE () = Message("IndeterminateStaticCoercion", "%s%s")
let StaticCoercionShouldUseBoxE () = Message("StaticCoercionShouldUseBox", "%s%s")
let TypeIsImplicitlyAbstractE () = Message("TypeIsImplicitlyAbstract", "")
let NonRigidTypar1E () = Message("NonRigidTypar1", "%s%s")
let NonRigidTypar2E () = Message("NonRigidTypar2", "%s%s")
let NonRigidTypar3E () = Message("NonRigidTypar3", "%s%s")
let OBlockEndSentenceE () = Message("BlockEndSentence", "")
let UnexpectedEndOfInputE () = Message("UnexpectedEndOfInput", "")
let UnexpectedE () = Message("Unexpected", "%s")
let NONTERM_interactionE () = Message("NONTERM.interaction", "")
let NONTERM_hashDirectiveE () = Message("NONTERM.hashDirective", "")
let NONTERM_fieldDeclE () = Message("NONTERM.fieldDecl", "")
let NONTERM_unionCaseReprE () = Message("NONTERM.unionCaseRepr", "")
let NONTERM_localBindingE () = Message("NONTERM.localBinding", "")
let NONTERM_hardwhiteLetBindingsE () = Message("NONTERM.hardwhiteLetBindings", "")
let NONTERM_classDefnMemberE () = Message("NONTERM.classDefnMember", "")
let NONTERM_defnBindingsE () = Message("NONTERM.defnBindings", "")
let NONTERM_classMemberSpfnE () = Message("NONTERM.classMemberSpfn", "")
let NONTERM_valSpfnE () = Message("NONTERM.valSpfn", "")
let NONTERM_tyconSpfnE () = Message("NONTERM.tyconSpfn", "")
let NONTERM_anonLambdaExprE () = Message("NONTERM.anonLambdaExpr", "")
let NONTERM_attrUnionCaseDeclE () = Message("NONTERM.attrUnionCaseDecl", "")
let NONTERM_cPrototypeE () = Message("NONTERM.cPrototype", "")
let NONTERM_objectImplementationMembersE () = Message("NONTERM.objectImplementationMembers", "")
let NONTERM_ifExprCasesE () = Message("NONTERM.ifExprCases", "")
let NONTERM_openDeclE () = Message("NONTERM.openDecl", "")
let NONTERM_fileModuleSpecE () = Message("NONTERM.fileModuleSpec", "")
let NONTERM_patternClausesE () = Message("NONTERM.patternClauses", "")
let NONTERM_beginEndExprE () = Message("NONTERM.beginEndExpr", "")
let NONTERM_recdExprE () = Message("NONTERM.recdExpr", "")
let NONTERM_tyconDefnE () = Message("NONTERM.tyconDefn", "")
let NONTERM_exconCoreE () = Message("NONTERM.exconCore", "")
let NONTERM_typeNameInfoE () = Message("NONTERM.typeNameInfo", "")
let NONTERM_attributeListE () = Message("NONTERM.attributeList", "")
let NONTERM_quoteExprE () = Message("NONTERM.quoteExpr", "")
let NONTERM_typeConstraintE () = Message("NONTERM.typeConstraint", "")
let NONTERM_Category_ImplementationFileE () = Message("NONTERM.Category.ImplementationFile", "")
let NONTERM_Category_DefinitionE () = Message("NONTERM.Category.Definition", "")
let NONTERM_Category_SignatureFileE () = Message("NONTERM.Category.SignatureFile", "")
let NONTERM_Category_PatternE () = Message("NONTERM.Category.Pattern", "")
let NONTERM_Category_ExprE () = Message("NONTERM.Category.Expr", "")
let NONTERM_Category_TypeE () = Message("NONTERM.Category.Type", "")
let NONTERM_typeArgsActualE () = Message("NONTERM.typeArgsActual", "")
let TokenName1E () = Message("TokenName1", "%s")
let TokenName1TokenName2E () = Message("TokenName1TokenName2", "%s%s")
let TokenName1TokenName2TokenName3E () = Message("TokenName1TokenName2TokenName3", "%s%s%s")
let RuntimeCoercionSourceSealed1E () = Message("RuntimeCoercionSourceSealed1", "%s")
let RuntimeCoercionSourceSealed2E () = Message("RuntimeCoercionSourceSealed2", "%s")
let CoercionTargetSealedE () = Message("CoercionTargetSealed", "%s")
let UpcastUnnecessaryE () = Message("UpcastUnnecessary", "")
let TypeTestUnnecessaryE () = Message("TypeTestUnnecessary", "")
let OverrideDoesntOverride1E () = Message("OverrideDoesntOverride1", "%s")
let OverrideDoesntOverride2E () = Message("OverrideDoesntOverride2", "%s")
let OverrideDoesntOverride3E () = Message("OverrideDoesntOverride3", "%s")
let OverrideDoesntOverride4E () = Message("OverrideDoesntOverride4", "%s")
let OverrideShouldBeStatic () = Message("OverrideShouldBeStatic", "")
let OverrideShouldBeInstance () = Message("OverrideShouldBeInstance", "")
let UnionCaseWrongArgumentsE () = Message("UnionCaseWrongArguments", "%d%d")
let UnionPatternsBindDifferentNamesE () = Message("UnionPatternsBindDifferentNames", "")
let RequiredButNotSpecifiedE () = Message("RequiredButNotSpecified", "%s%s%s")
let UseOfAddressOfOperatorE () = Message("UseOfAddressOfOperator", "")
let DefensiveCopyWarningE () = Message("DefensiveCopyWarning", "%s")
let DeprecatedThreadStaticBindingWarningE () = Message("DeprecatedThreadStaticBindingWarning", "")
let FunctionValueUnexpectedE () = Message("FunctionValueUnexpected", "%s")
let UnitTypeExpectedE () = Message("UnitTypeExpected", "%s")
let UnitTypeExpectedWithEqualityE () = Message("UnitTypeExpectedWithEquality", "%s")
let UnitTypeExpectedWithPossiblePropertySetterE () = Message("UnitTypeExpectedWithPossiblePropertySetter", "%s%s%s")
let UnitTypeExpectedWithPossibleAssignmentE () = Message("UnitTypeExpectedWithPossibleAssignment", "%s%s")
let UnitTypeExpectedWithPossibleAssignmentToMutableE () = Message("UnitTypeExpectedWithPossibleAssignmentToMutable", "%s%s")
let RecursiveUseCheckedAtRuntimeE () = Message("RecursiveUseCheckedAtRuntime", "")
let LetRecUnsound1E () = Message("LetRecUnsound1", "%s")
let LetRecUnsound2E () = Message("LetRecUnsound2", "%s%s")
let LetRecUnsoundInnerE () = Message("LetRecUnsoundInner", "%s")
let LetRecEvaluatedOutOfOrderE () = Message("LetRecEvaluatedOutOfOrder", "")
let LetRecCheckedAtRuntimeE () = Message("LetRecCheckedAtRuntime", "")
let SelfRefObjCtor1E () = Message("SelfRefObjCtor1", "")
let SelfRefObjCtor2E () = Message("SelfRefObjCtor2", "")
let VirtualAugmentationOnNullValuedTypeE () = Message("VirtualAugmentationOnNullValuedType", "")
let NonVirtualAugmentationOnNullValuedTypeE () = Message("NonVirtualAugmentationOnNullValuedType", "")
let NonUniqueInferredAbstractSlot1E () = Message("NonUniqueInferredAbstractSlot1", "%s")
let NonUniqueInferredAbstractSlot2E () = Message("NonUniqueInferredAbstractSlot2", "")
let NonUniqueInferredAbstractSlot3E () = Message("NonUniqueInferredAbstractSlot3", "%s%s")
let NonUniqueInferredAbstractSlot4E () = Message("NonUniqueInferredAbstractSlot4", "")
let Failure3E () = Message("Failure3", "%s")
let Failure4E () = Message("Failure4", "%s")
let MatchIncomplete1E () = Message("MatchIncomplete1", "")
let MatchIncomplete2E () = Message("MatchIncomplete2", "%s")
let MatchIncomplete3E () = Message("MatchIncomplete3", "%s")
let MatchIncomplete4E () = Message("MatchIncomplete4", "")
let RuleNeverMatchedE () = Message("RuleNeverMatched", "")
let EnumMatchIncomplete1E () = Message("EnumMatchIncomplete1", "")
let ValNotMutableE () = Message("ValNotMutable", "%s")
let ValNotLocalE () = Message("ValNotLocal", "")
let Obsolete1E () = Message("Obsolete1", "")
let Obsolete2E () = Message("Obsolete2", "%s")
let ExperimentalE () = Message("Experimental", "%s")
let PossibleUnverifiableCodeE () = Message("PossibleUnverifiableCode", "")
let DeprecatedE () = Message("Deprecated", "%s")
let LibraryUseOnlyE () = Message("LibraryUseOnly", "")
let MissingFieldsE () = Message("MissingFields", "%s")
let ValueRestrictionFunctionE () = Message("ValueRestrictionFunction", "%s%s%s")
let ValueRestrictionE () = Message("ValueRestriction", "%s%s%s")
let RecoverableParseErrorE () = Message("RecoverableParseError", "")
let ReservedKeywordE () = Message("ReservedKeyword", "%s")
let IndentationProblemE () = Message("IndentationProblem", "%s")
let OverrideInIntrinsicAugmentationE () = Message("OverrideInIntrinsicAugmentation", "")
let OverrideInExtrinsicAugmentationE () = Message("OverrideInExtrinsicAugmentation", "")
let IntfImplInIntrinsicAugmentationE () = Message("IntfImplInIntrinsicAugmentation", "")
let IntfImplInExtrinsicAugmentationE () = Message("IntfImplInExtrinsicAugmentation", "")
let UnresolvedReferenceNoRangeE () = Message("UnresolvedReferenceNoRange", "%s")
let UnresolvedPathReferenceNoRangeE () = Message("UnresolvedPathReferenceNoRange", "%s%s")
let HashIncludeNotAllowedInNonScriptE () = Message("HashIncludeNotAllowedInNonScript", "")
let HashReferenceNotAllowedInNonScriptE () = Message("HashReferenceNotAllowedInNonScript", "")
let HashDirectiveNotAllowedInNonScriptE () = Message("HashDirectiveNotAllowedInNonScript", "")
let FileNameNotResolvedE () = Message("FileNameNotResolved", "%s%s")
let AssemblyNotResolvedE () = Message("AssemblyNotResolved", "%s")
let HashLoadedSourceHasIssues0E () = Message("HashLoadedSourceHasIssues0", "")
let HashLoadedSourceHasIssues1E () = Message("HashLoadedSourceHasIssues1", "")
let HashLoadedSourceHasIssues2E () = Message("HashLoadedSourceHasIssues2", "")
let HashLoadedScriptConsideredSourceE () = Message("HashLoadedScriptConsideredSource", "")
let InvalidInternalsVisibleToAssemblyName1E () = Message("InvalidInternalsVisibleToAssemblyName1", "%s%s")
let InvalidInternalsVisibleToAssemblyName2E () = Message("InvalidInternalsVisibleToAssemblyName2", "%s")
let LoadedSourceNotFoundIgnoringE () = Message("LoadedSourceNotFoundIgnoring", "%s")
let MSBuildReferenceResolutionErrorE () = Message("MSBuildReferenceResolutionError", "%s%s")
let TargetInvocationExceptionWrapperE () = Message("TargetInvocationExceptionWrapper", "%s")
let ArgumentsInSigAndImplMismatchE () = Message("ArgumentsInSigAndImplMismatch", "%s%s")
#if DEBUG
let mutable showParserStackOnParseError = false
#endif
[<return: Struct>]
let (|InvalidArgument|_|) (exn: exn) =
match exn with
| :? ArgumentException as e -> ValueSome e.Message
| _ -> ValueNone
let OutputNameSuggestions (os: StringBuilder) suggestNames suggestionsF idText =
if suggestNames then
let buffer = DiagnosticResolutionHints.SuggestionBuffer idText
if not buffer.Disabled then
suggestionsF buffer.Add
if not buffer.IsEmpty then
os.AppendString " "
os.AppendString(FSComp.SR.undefinedNameSuggestionsIntro ())
for value in buffer do
os.AppendLine() |> ignore
os.AppendString " "
os.AppendString(ConvertValLogicalNameToDisplayNameCore value)
let OutputTypesNotInEqualityRelationContextInfo contextInfo ty1 ty2 m (os: StringBuilder) fallback =
match contextInfo with
| ContextInfo.IfExpression range when equals range m -> os.AppendString(FSComp.SR.ifExpression (ty1, ty2))
| ContextInfo.CollectionElement(isArray, range) when equals range m ->
if isArray then
os.AppendString(FSComp.SR.arrayElementHasWrongType (ty1, ty2))
else
os.AppendString(FSComp.SR.listElementHasWrongType (ty1, ty2))
| ContextInfo.OmittedElseBranch range when equals range m -> os.AppendString(FSComp.SR.missingElseBranch (ty2))
| ContextInfo.ElseBranchResult range when equals range m -> os.AppendString(FSComp.SR.elseBranchHasWrongType (ty1, ty2))
| ContextInfo.FollowingPatternMatchClause range when equals range m ->
os.AppendString(FSComp.SR.followingPatternMatchClauseHasWrongType (ty1, ty2))
| ContextInfo.PatternMatchGuard range when equals range m -> os.AppendString(FSComp.SR.patternMatchGuardIsNotBool (ty2))
| contextInfo -> fallback contextInfo
type Exception with
member exn.Output(os: StringBuilder, suggestNames) =
match exn with
// TODO: this is now unused...?
| ConstraintSolverTupleDiffLengths(_, _, tl1, tl2, m, m2) ->
os.AppendString(ConstraintSolverTupleDiffLengthsE().Format tl1.Length tl2.Length)
if m.StartLine <> m2.StartLine then
os.AppendString(SeeAlsoE().Format(stringOfRange m))
| ConstraintSolverInfiniteTypes(denv, contextInfo, ty1, ty2, m, m2) ->
// REVIEW: consider if we need to show _cxs (the type parameter constraints)
let ty1, ty2, _cxs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
os.AppendString(ConstraintSolverInfiniteTypesE().Format ty1 ty2)
match contextInfo with
| ContextInfo.ReturnInComputationExpression -> os.AppendString(" " + FSComp.SR.returnUsedInsteadOfReturnBang ())
| ContextInfo.YieldInComputationExpression -> os.AppendString(" " + FSComp.SR.yieldUsedInsteadOfYieldBang ())
| _ -> ()
if m.StartLine <> m2.StartLine then
os.AppendString(SeeAlsoE().Format(stringOfRange m))
| ConstraintSolverMissingConstraint(denv, tpr, tpc, m, m2) ->
os.AppendString(
ConstraintSolverMissingConstraintE()
.Format(NicePrint.stringOfTyparConstraint denv (tpr, tpc))
)
if m.StartLine <> m2.StartLine then
os.AppendString(SeeAlsoE().Format(stringOfRange m))
| ConstraintSolverTypesNotInEqualityRelation(denv, (TType_measure _ as ty1), (TType_measure _ as ty2), m, m2, _) ->
// REVIEW: consider if we need to show _cxs (the type parameter constraints)
let ty1, ty2, _cxs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
os.AppendString(ConstraintSolverTypesNotInEqualityRelation1E().Format ty1 ty2)
if m.StartLine <> m2.StartLine then
os.AppendString(SeeAlsoE().Format(stringOfRange m))
| ConstraintSolverTypesNotInEqualityRelation(denv, ty1, ty2, m, m2, contextInfo) ->
// REVIEW: consider if we need to show _cxs (the type parameter constraints)
let ty1, ty2, _cxs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
OutputTypesNotInEqualityRelationContextInfo contextInfo ty1 ty2 m os (fun _ ->
os.AppendString(ConstraintSolverTypesNotInEqualityRelation2E().Format ty1 ty2))
if m.StartLine <> m2.StartLine then
os.AppendString(SeeAlsoE().Format(stringOfRange m))
| ConstraintSolverTypesNotInSubsumptionRelation(denv, ty1, ty2, m, m2) ->
// REVIEW: consider if we need to show _cxs (the type parameter constraints)
let ty1, ty2, cxs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
os.AppendString(ConstraintSolverTypesNotInSubsumptionRelationE().Format ty2 ty1 cxs)
if m.StartLine <> m2.StartLine then
os.AppendString(SeeAlsoE().Format(stringOfRange m2))
| ConstraintSolverError(msg, m, m2) ->
os.AppendString msg
if m.StartLine <> m2.StartLine then
os.AppendString(SeeAlsoE().Format(stringOfRange m2))
| ErrorFromAddingTypeEquation(g, denv, ty1, ty2, ConstraintSolverTypesNotInEqualityRelation(_, ty1b, ty2b, m, _, contextInfo), _) when
typeEquiv g ty1 ty1b && typeEquiv g ty2 ty2b
->
let ty1, ty2, tpcs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
OutputTypesNotInEqualityRelationContextInfo contextInfo ty1 ty2 m os (fun contextInfo ->
match contextInfo with
| ContextInfo.TupleInRecordFields ->
os.AppendString(ErrorFromAddingTypeEquation1E().Format ty2 ty1 tpcs)
os.AppendString(Environment.NewLine + FSComp.SR.commaInsteadOfSemicolonInRecord ())
| _ when ty2 = "bool" && ty1.EndsWithOrdinal(" ref") ->
os.AppendString(ErrorFromAddingTypeEquation1E().Format ty2 ty1 tpcs)
os.AppendString(Environment.NewLine + FSComp.SR.derefInsteadOfNot ())
| _ -> os.AppendString(ErrorFromAddingTypeEquation1E().Format ty2 ty1 tpcs))
| ErrorFromAddingTypeEquation(_, _, _, _, (ConstraintSolverTypesNotInEqualityRelation(_, _, _, _, _, contextInfo) as e), _) when
(match contextInfo with
| ContextInfo.NoContext -> false
| _ -> true)
->
e.Output(os, suggestNames)
| ErrorFromAddingTypeEquation(error = ConstraintSolverTypesNotInSubsumptionRelation _ as e) -> e.Output(os, suggestNames)
| ErrorFromAddingTypeEquation(error = ConstraintSolverError _ as e) -> e.Output(os, suggestNames)
| ErrorFromAddingTypeEquation(_g, denv, ty1, ty2, ConstraintSolverTupleDiffLengths(_, contextInfo, tl1, tl2, _, _), m) ->
let ty1, ty2, tpcs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
let messageArgs = tl1.Length, ty1, tl2.Length, ty2
if ty1 <> ty2 + tpcs then
match contextInfo with
| ContextInfo.IfExpression range when equals range m -> os.AppendString(FSComp.SR.ifExpressionTuple messageArgs)
| ContextInfo.ElseBranchResult range when equals range m ->
os.AppendString(FSComp.SR.elseBranchHasWrongTypeTuple messageArgs)
| ContextInfo.FollowingPatternMatchClause range when equals range m ->
os.AppendString(FSComp.SR.followingPatternMatchClauseHasWrongTypeTuple messageArgs)
| ContextInfo.CollectionElement(isArray, range) when equals range m ->
if isArray then
os.AppendString(FSComp.SR.arrayElementHasWrongTypeTuple messageArgs)
else
os.AppendString(FSComp.SR.listElementHasWrongTypeTuple messageArgs)
| _ -> os.AppendString(ErrorFromAddingTypeEquationTuplesE().Format tl1.Length ty1 tl2.Length ty2 tpcs)
| ErrorFromAddingTypeEquation(g, denv, ty1, ty2, e, _) ->
if not (typeEquiv g ty1 ty2) then
let ty1, ty2, tpcs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
if ty1 <> ty2 + tpcs then
os.AppendString(ErrorFromAddingTypeEquation2E().Format ty1 ty2 tpcs)
e.Output(os, suggestNames)
| ErrorFromApplyingDefault(_, denv, _, defaultType, e, _) ->
let defaultType = NicePrint.minimalStringOfType denv defaultType
os.AppendString(ErrorFromApplyingDefault1E().Format defaultType)
e.Output(os, suggestNames)
os.AppendString(ErrorFromApplyingDefault2E().Format)
| ErrorsFromAddingSubsumptionConstraint(g, denv, ty1, ty2, e, contextInfo, _) ->
match contextInfo with
| ContextInfo.DowncastUsedInsteadOfUpcast isOperator ->
let ty1, ty2, _ = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
if isOperator then
os.AppendString(FSComp.SR.considerUpcastOperator (ty1, ty2) |> snd)
else
os.AppendString(FSComp.SR.considerUpcast (ty1, ty2) |> snd)
| _ ->
if not (typeEquiv g ty1 ty2) then
let ty1, ty2, tpcs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
if ty1 <> (ty2 + tpcs) then
os.AppendString(ErrorsFromAddingSubsumptionConstraintE().Format ty2 ty1 tpcs)
else
e.Output(os, suggestNames)
else
e.Output(os, suggestNames)
| UpperCaseIdentifierInPattern _ -> os.AppendString(UpperCaseIdentifierInPatternE().Format)
| NotUpperCaseConstructor _ -> os.AppendString(NotUpperCaseConstructorE().Format)
| NotUpperCaseConstructorWithoutRQA _ -> os.AppendString(NotUpperCaseConstructorWithoutRQAE().Format)
| ErrorFromAddingConstraint(_, e, _) -> e.Output(os, suggestNames)
#if !NO_TYPEPROVIDERS
| TypeProviders.ProvidedTypeResolutionNoRange e
| TypeProviders.ProvidedTypeResolution(_, e) -> e.Output(os, suggestNames)
| :? TypeProviderError as e -> os.AppendString(e.ContextualErrorMessage)
#endif
| UnresolvedOverloading(denv, callerArgs, failure, m) ->
let g = denv.g
// extract eventual information (return type and type parameters)
// from ConstraintTraitInfo
let knownReturnType, genericParameterTypes =
match failure with
| NoOverloadsFound(cx = Some cx)
| PossibleCandidates(cx = Some cx) -> Some(cx.GetReturnType(g)), cx.GetCompiledArgumentTypes()
| _ -> None, []
// prepare message parts (known arguments, known return type, known generic parameters)
let argsMessage, returnType, genericParametersMessage =
let retTy =
knownReturnType |> Option.defaultValue (TType_var(Typar.NewUnlinked(), 0uy))
let argRepr =
callerArgs.ArgumentNamesAndTypes
|> List.map (fun (name, tTy) ->
tTy,
{
ArgReprInfo.Name = name |> Option.map (fun name -> Ident(name, range.Zero))
ArgReprInfo.Attribs = []
ArgReprInfo.OtherRange = None
})
let argsL, retTyL, genParamTysL =
NicePrint.prettyLayoutsOfUnresolvedOverloading denv argRepr retTy genericParameterTypes
match callerArgs.ArgumentNamesAndTypes with
| [] -> None, LayoutRender.showL retTyL, LayoutRender.showL genParamTysL
| items ->
let args = LayoutRender.showL argsL
let prefixMessage =
match items with
| [ _ ] -> FSComp.SR.csNoOverloadsFoundArgumentsPrefixSingular
| _ -> FSComp.SR.csNoOverloadsFoundArgumentsPrefixPlural
Some(prefixMessage args), LayoutRender.showL retTyL, LayoutRender.showL genParamTysL
let knownReturnType =
match knownReturnType with
| None -> None
| Some _ -> Some(FSComp.SR.csNoOverloadsFoundReturnType returnType)
let genericParametersMessage =
match genericParameterTypes with
| [] -> None
| [ _ ] -> Some(FSComp.SR.csNoOverloadsFoundTypeParametersPrefixSingular genericParametersMessage)
| _ -> Some(FSComp.SR.csNoOverloadsFoundTypeParametersPrefixPlural genericParametersMessage)
let overloadMethodInfo displayEnv m (x: OverloadInformation) =
let paramInfo =
match x.error with
| :? ArgDoesNotMatchError as x ->
let nameOrOneBasedIndexMessage =
x.calledArg.NameOpt
|> Option.map (fun n -> FSComp.SR.csOverloadCandidateNamedArgumentTypeMismatch n.idText)
|> Option.defaultValue (
FSComp.SR.csOverloadCandidateIndexedArgumentTypeMismatch ((vsnd x.calledArg.Position) + 1)
) //snd
sprintf " // %s" nameOrOneBasedIndexMessage
| _ -> ""
(NicePrint.stringOfMethInfo x.infoReader m displayEnv x.methodSlot.Method)
+ paramInfo
let nl = Environment.NewLine
let formatOverloads (overloads: OverloadInformation list) =
overloads
|> List.map (overloadMethodInfo denv m)
|> List.sort
|> List.map FSComp.SR.formatDashItem
|> String.concat nl
// assemble final message composing the parts
let msg =
let optionalParts =
[ knownReturnType; genericParametersMessage; argsMessage ]
|> List.choose id
|> String.concat (nl + nl)
|> fun result ->
if String.IsNullOrEmpty(result) then
nl
else
nl + nl + result + nl + nl
match failure with
| NoOverloadsFound(methodName, overloads, _) ->
FSComp.SR.csNoOverloadsFound methodName
+ optionalParts
+ (FSComp.SR.csAvailableOverloads (formatOverloads overloads))
| PossibleCandidates(methodName, [], _) -> FSComp.SR.csMethodIsOverloaded methodName
| PossibleCandidates(methodName, overloads, _) ->
FSComp.SR.csMethodIsOverloaded methodName
+ optionalParts
+ FSComp.SR.csCandidates (formatOverloads overloads)
os.AppendString msg
| UnresolvedConversionOperator(denv, fromTy, toTy, _) ->
let ty1, ty2, _tpcs = NicePrint.minimalStringsOfTwoTypes denv fromTy toTy
os.AppendString(FSComp.SR.csTypeDoesNotSupportConversion (ty1, ty2))
| FunctionExpected _ -> os.AppendString(FunctionExpectedE().Format)
| BakedInMemberConstraintName(nm, _) -> os.AppendString(BakedInMemberConstraintNameE().Format nm)
| StandardOperatorRedefinitionWarning(msg, _) -> os.AppendString msg
| BadEventTransformation _ -> os.AppendString(BadEventTransformationE().Format)
| ParameterlessStructCtor _ -> os.AppendString(ParameterlessStructCtorE().Format)
| InterfaceNotRevealed(denv, intfTy, _) ->
os.AppendString(InterfaceNotRevealedE().Format(NicePrint.minimalStringOfType denv intfTy))
| NotAFunctionButIndexer(_, _, name, _, _, old) ->
if old then
match name with
| Some name -> os.AppendString(FSComp.SR.notAFunctionButMaybeIndexerWithName name)
| _ -> os.AppendString(FSComp.SR.notAFunctionButMaybeIndexer ())
else
match name with
| Some name -> os.AppendString(FSComp.SR.notAFunctionButMaybeIndexerWithName2 name)
| _ -> os.AppendString(FSComp.SR.notAFunctionButMaybeIndexer2 ())
| NotAFunction(_, _, _, marg) ->
if marg.StartColumn = 0 then
os.AppendString(FSComp.SR.notAFunctionButMaybeDeclaration ())
else
os.AppendString(FSComp.SR.notAFunction ())
| TyconBadArgs(_, tcref, d, _) ->
let exp = tcref.TyparsNoRange.Length
if exp = 0 then
os.AppendString(FSComp.SR.buildUnexpectedTypeArgs (fullDisplayTextOfTyconRef tcref, d))
else
os.AppendString(TyconBadArgsE().Format (fullDisplayTextOfTyconRef tcref) exp d)
| IndeterminateType _ -> os.AppendString(IndeterminateTypeE().Format)
| NameClash(nm, k1, nm1, _, k2, nm2, _) ->
if nm = nm1 && nm1 = nm2 && k1 = k2 then
os.AppendString(NameClash1E().Format k1 nm1)
else
os.AppendString(NameClash2E().Format k1 nm1 nm k2 nm2)
| Duplicate(k, s, _) ->
if k = "member" then
os.AppendString(Duplicate1E().Format(ConvertValLogicalNameToDisplayNameCore s))
else
os.AppendString(Duplicate2E().Format k (ConvertValLogicalNameToDisplayNameCore s))
| UndefinedName(_, k, id, suggestionsF) ->
os.AppendString(k (ConvertValLogicalNameToDisplayNameCore id.idText))
OutputNameSuggestions os suggestNames suggestionsF id.idText
| InternalUndefinedItemRef(f, smr, ccuName, s) ->
let _, errs = f (smr, ccuName, s)
os.AppendString errs
| FieldNotMutable _ -> os.AppendString(FieldNotMutableE().Format)
| FieldsFromDifferentTypes(_, fref1, fref2, _) ->
os.AppendString(FieldsFromDifferentTypesE().Format fref1.FieldName fref2.FieldName)
| VarBoundTwice id -> os.AppendString(VarBoundTwiceE().Format(ConvertValLogicalNameToDisplayNameCore id.idText))
| Recursion(denv, id, ty1, ty2, _) ->
let ty1, ty2, tpcs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
os.AppendString(RecursionE().Format (ConvertValLogicalNameToDisplayNameCore id.idText) ty1 ty2 tpcs)
| InvalidRuntimeCoercion(denv, ty1, ty2, _) ->
let ty1, ty2, tpcs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
os.AppendString(InvalidRuntimeCoercionE().Format ty1 ty2 tpcs)
| IndeterminateRuntimeCoercion(denv, ty1, ty2, _) ->
let ty1, ty2, _cxs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2
os.AppendString(IndeterminateRuntimeCoercionE().Format ty1 ty2)
| IndeterminateStaticCoercion(denv, ty1, ty2, _) ->
// REVIEW: consider if we need to show _cxs (the type parameter constraints)
let ty1, ty2, _cxs = NicePrint.minimalStringsOfTwoTypes denv ty1 ty2