#include "CheckExprLifetime.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/CXXInheritance.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/ExprObjC.h"
#include "clang/AST/Type.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Basic/OperatorKinds.h"
#include "clang/Basic/PartialDiagnostic.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Sema/EnterExpressionEvaluationContext.h"
#include "clang/Sema/Initialization.h"
#include "clang/Sema/Lookup.h"
#include "clang/Sema/Overload.h"
#include "clang/Sema/SemaARM.h"
#include "clang/Sema/SemaCUDA.h"
#include "clang/Sema/SemaObjC.h"
#include "clang/Sema/Template.h"
#include "clang/Sema/TemplateDeduction.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/STLForwardCompat.h"
#include "llvm/ADT/ScopeExit.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdlib>
#include <optional>

Typedefs
using	AllowedExplicit = Sema::AllowedExplicit

Enumerations
enum	{ ft_default , ft_different_class , ft_parameter_arity , ft_parameter_mismatch , ft_return_type , ft_qualifer_mismatch , ft_noexcept }
enum class	FixedEnumPromotion { None , ToUnderlyingType , ToPromotedUnderlyingType }

Functions
static bool	functionHasPassObjectSizeParams (const FunctionDecl *FD)
static ExprResult	CreateFunctionRefExpr (Sema &S, FunctionDecl Fn, NamedDecl FoundDecl, const Expr *Base, bool HadMultipleCandidates, SourceLocation Loc=SourceLocation(), const DeclarationNameLoc &LocInfo=DeclarationNameLoc())
	A convenience routine for creating a decayed reference to a function.
static bool	IsStandardConversion (Sema &S, Expr *From, QualType ToType, bool InOverloadResolution, StandardConversionSequence &SCS, bool CStyle, bool AllowObjCWritebackConversion)
	IsStandardConversion - Determines whether there is a standard conversion sequence (C++ [conv], C++ [over.ics.scs]) from the expression From to the type ToType.
static bool	IsTransparentUnionStandardConversion (Sema &S, Expr *From, QualType &ToType, bool InOverloadResolution, StandardConversionSequence &SCS, bool CStyle)
static OverloadingResult	IsUserDefinedConversion (Sema &S, Expr *From, QualType ToType, UserDefinedConversionSequence &User, OverloadCandidateSet &CandidateSet, AllowedExplicit AllowExplicit, bool AllowObjCConversionOnExplicit)
	Determines whether there is a user-defined conversion sequence (C++ [over.ics.user]) that converts expression From to the type ToType.
static ImplicitConversionSequence::CompareKind	CompareStandardConversionSequences (Sema &S, SourceLocation Loc, const StandardConversionSequence &SCS1, const StandardConversionSequence &SCS2)
	CompareStandardConversionSequences - Compare two standard conversion sequences to determine whether one is better than the other or if they are indistinguishable (C++ 13.3.3.2p3).
static ImplicitConversionSequence::CompareKind	CompareQualificationConversions (Sema &S, const StandardConversionSequence &SCS1, const StandardConversionSequence &SCS2)
	CompareQualificationConversions - Compares two standard conversion sequences to determine whether they can be ranked based on their qualification conversions (C++ 13.3.3.2p3 bullet 3).
static ImplicitConversionSequence::CompareKind	CompareDerivedToBaseConversions (Sema &S, SourceLocation Loc, const StandardConversionSequence &SCS1, const StandardConversionSequence &SCS2)
	CompareDerivedToBaseConversions - Compares two standard conversion sequences to determine whether they can be ranked based on their various kinds of derived-to-base conversions (C++ [over.ics.rank]p4b3).
static const char *	GetImplicitConversionName (ImplicitConversionKind Kind)
	GetImplicitConversionName - Return the name of this kind of implicit conversion.
static const Expr *	IgnoreNarrowingConversion (ASTContext &Ctx, const Expr *Converted)
	Skip any implicit casts which could be either part of a narrowing conversion or after one in an implicit conversion.
static bool	FunctionsCorrespond (ASTContext &Ctx, const FunctionDecl X, const FunctionDecl Y)
static bool	shouldAddReversedEqEq (Sema &S, SourceLocation OpLoc, Expr FirstOperand, FunctionDecl EqFD)
static bool	checkPlaceholderForOverload (Sema &S, Expr &E, UnbridgedCastsSet unbridgedCasts=nullptr)
	checkPlaceholderForOverload - Do any interesting placeholder-like preprocessing on the given expression.
static bool	checkArgPlaceholdersForOverload (Sema &S, MultiExprArg Args, UnbridgedCastsSet &unbridged)
	checkArgPlaceholdersForOverload - Check a set of call operands for placeholders.
template<typename AttrT>
static bool	hasExplicitAttr (const FunctionDecl *D)
static bool	IsOverloadOrOverrideImpl (Sema &SemaRef, FunctionDecl New, FunctionDecl Old, bool UseMemberUsingDeclRules, bool ConsiderCudaAttrs, bool UseOverrideRules=false)
static ImplicitConversionSequence	TryUserDefinedConversion (Sema &S, Expr *From, QualType ToType, bool SuppressUserConversions, AllowedExplicit AllowExplicit, bool InOverloadResolution, bool CStyle, bool AllowObjCWritebackConversion, bool AllowObjCConversionOnExplicit)
	Tries a user-defined conversion from From to ToType.
static ImplicitConversionSequence	TryImplicitConversion (Sema &S, Expr *From, QualType ToType, bool SuppressUserConversions, AllowedExplicit AllowExplicit, bool InOverloadResolution, bool CStyle, bool AllowObjCWritebackConversion, bool AllowObjCConversionOnExplicit)
	TryImplicitConversion - Attempt to perform an implicit conversion from the given expression (Expr) to the given type (ToType).
static bool	IsFloatingPointConversion (Sema &S, QualType FromType, QualType ToType)
	Determine whether the conversion from FromType to ToType is a valid floating point conversion.
static bool	IsVectorElementConversion (Sema &S, QualType FromType, QualType ToType, ImplicitConversionKind &ICK, Expr *From)
static bool	IsVectorConversion (Sema &S, QualType FromType, QualType ToType, ImplicitConversionKind &ICK, ImplicitConversionKind &ElConv, Expr *From, bool InOverloadResolution, bool CStyle)
	Determine whether the conversion from FromType to ToType is a valid vector conversion.
static bool	tryAtomicConversion (Sema &S, Expr *From, QualType ToType, bool InOverloadResolution, StandardConversionSequence &SCS, bool CStyle)
static QualType	BuildSimilarlyQualifiedPointerType (const Type *FromPtr, QualType ToPointee, QualType ToType, ASTContext &Context, bool StripObjCLifetime=false)
	BuildSimilarlyQualifiedPointerType - In a pointer conversion from the pointer type FromPtr to a pointer to type ToPointee, with the same type qualifiers as FromPtr has on its pointee type.
static bool	isNullPointerConstantForConversion (Expr *Expr, bool InOverloadResolution, ASTContext &Context)
static QualType	AdoptQualifiers (ASTContext &Context, QualType T, Qualifiers Qs)
	Adopt the given qualifiers for the given type.
static const FunctionProtoType *	tryGetFunctionProtoType (QualType FromType)
	Attempts to get the FunctionProtoType from a Type.
static bool	isNonTrivialObjCLifetimeConversion (Qualifiers FromQuals, Qualifiers ToQuals)
	Determine whether the lifetime conversion between the two given qualifiers sets is nontrivial.
static bool	isQualificationConversionStep (QualType FromType, QualType ToType, bool CStyle, bool IsTopLevel, bool &PreviousToQualsIncludeConst, bool &ObjCLifetimeConversion, const ASTContext &Ctx)
	Perform a single iteration of the loop for checking if a qualification conversion is valid.
static bool	isFirstArgumentCompatibleWithType (ASTContext &Context, CXXConstructorDecl *Constructor, QualType Type)
static OverloadingResult	IsInitializerListConstructorConversion (Sema &S, Expr From, QualType ToType, CXXRecordDecl To, UserDefinedConversionSequence &User, OverloadCandidateSet &CandidateSet, bool AllowExplicit)
static const FunctionType *	getConversionOpReturnTyAsFunction (CXXConversionDecl *Conv)
static ImplicitConversionSequence::CompareKind	compareConversionFunctions (Sema &S, FunctionDecl Function1, FunctionDecl Function2)
	Compare the user-defined conversion functions or constructors of two user-defined conversion sequences to determine whether any ordering is possible.
static bool	hasDeprecatedStringLiteralToCharPtrConversion (const ImplicitConversionSequence &ICS)
static ImplicitConversionSequence::CompareKind	CompareImplicitConversionSequences (Sema &S, SourceLocation Loc, const ImplicitConversionSequence &ICS1, const ImplicitConversionSequence &ICS2)
	CompareImplicitConversionSequences - Compare two implicit conversion sequences to determine whether one is better than the other or if they are indistinguishable (C++ 13.3.3.2).
static ImplicitConversionSequence::CompareKind	compareStandardConversionSubsets (ASTContext &Context, const StandardConversionSequence &SCS1, const StandardConversionSequence &SCS2)
static bool	isBetterReferenceBindingKind (const StandardConversionSequence &SCS1, const StandardConversionSequence &SCS2)
	Determine whether one of the given reference bindings is better than the other based on what kind of bindings they are.
static FixedEnumPromotion	getFixedEnumPromtion (Sema &S, const StandardConversionSequence &SCS)
	Returns kind of fixed enum promotion the SCS uses.
static QualType	withoutUnaligned (ASTContext &Ctx, QualType T)
static bool	FindConversionForRefInit (Sema &S, ImplicitConversionSequence &ICS, QualType DeclType, SourceLocation DeclLoc, Expr *Init, QualType T2, bool AllowRvalues, bool AllowExplicit)
	Look for a user-defined conversion to a value reference-compatible with DeclType.
static ImplicitConversionSequence	TryReferenceInit (Sema &S, Expr *Init, QualType DeclType, SourceLocation DeclLoc, bool SuppressUserConversions, bool AllowExplicit)
	Compute an implicit conversion sequence for reference initialization.
static ImplicitConversionSequence	TryCopyInitialization (Sema &S, Expr *From, QualType ToType, bool SuppressUserConversions, bool InOverloadResolution, bool AllowObjCWritebackConversion, bool AllowExplicit)
	TryCopyInitialization - Try to copy-initialize a value of type ToType from the expression From.
static ImplicitConversionSequence	TryListConversion (Sema &S, InitListExpr *From, QualType ToType, bool SuppressUserConversions, bool InOverloadResolution, bool AllowObjCWritebackConversion)
	TryListConversion - Try to copy-initialize a value of type ToType from the initializer list From.
static bool	TryCopyInitialization (const CanQualType FromQTy, const CanQualType ToQTy, Sema &S, SourceLocation Loc, ExprValueKind FromVK)
static ImplicitConversionSequence	TryObjectArgumentInitialization (Sema &S, SourceLocation Loc, QualType FromType, Expr::Classification FromClassification, CXXMethodDecl Method, const CXXRecordDecl ActingContext, bool InOverloadResolution=false, QualType ExplicitParameterType=QualType(), bool SuppressUserConversion=false)
	TryObjectArgumentInitialization - Try to initialize the object parameter of the given member function (`Method`) from the expression `From`.
static ImplicitConversionSequence	TryContextuallyConvertToBool (Sema &S, Expr *From)
	TryContextuallyConvertToBool - Attempt to contextually convert the expression From to bool (C++0x [conv]p3).
static bool	CheckConvertedConstantConversions (Sema &S, StandardConversionSequence &SCS)
	Check that the specified conversion is permitted in a converted constant expression, according to C++11 [expr.const]p3.
static ExprResult	BuildConvertedConstantExpression (Sema &S, Expr From, QualType T, CCEKind CCE, NamedDecl Dest, APValue &PreNarrowingValue)
	BuildConvertedConstantExpression - Check that the expression From is a converted constant expression of type T, perform the conversion but does not evaluate the expression.
static ExprResult	CheckConvertedConstantExpression (Sema &S, Expr From, QualType T, APValue &Value, CCEKind CCE, bool RequireInt, NamedDecl Dest)
	CheckConvertedConstantExpression - Check that the expression From is a converted constant expression of type T, perform the conversion and produce the converted expression, per C++11 [expr.const]p3.
static void	dropPointerConversion (StandardConversionSequence &SCS)
	dropPointerConversions - If the given standard conversion sequence involves any pointer conversions, remove them.
static ImplicitConversionSequence	TryContextuallyConvertToObjCPointer (Sema &S, Expr *From)
	TryContextuallyConvertToObjCPointer - Attempt to contextually convert the expression From to an Objective-C pointer type.
static QualType	GetExplicitObjectType (Sema &S, const Expr *MemExprE)
static Expr *	GetExplicitObjectExpr (Sema &S, Expr Obj, const FunctionDecl Fun)
static bool	PrepareExplicitObjectArgument (Sema &S, CXXMethodDecl Method, Expr Object, MultiExprArg &Args, SmallVectorImpl< Expr * > &NewArgs)
static ExprResult	diagnoseAmbiguousConversion (Sema &SemaRef, SourceLocation Loc, Expr *From, Sema::ContextualImplicitConverter &Converter, QualType T, UnresolvedSetImpl &ViableConversions)
static bool	diagnoseNoViableConversion (Sema &SemaRef, SourceLocation Loc, Expr *&From, Sema::ContextualImplicitConverter &Converter, QualType T, bool HadMultipleCandidates, UnresolvedSetImpl &ExplicitConversions)
static bool	recordConversion (Sema &SemaRef, SourceLocation Loc, Expr *&From, Sema::ContextualImplicitConverter &Converter, QualType T, bool HadMultipleCandidates, DeclAccessPair &Found)
static ExprResult	finishContextualImplicitConversion (Sema &SemaRef, SourceLocation Loc, Expr *From, Sema::ContextualImplicitConverter &Converter)
static void	collectViableConversionCandidates (Sema &SemaRef, Expr *From, QualType ToType, UnresolvedSetImpl &ViableConversions, OverloadCandidateSet &CandidateSet)
static bool	IsAcceptableNonMemberOperatorCandidate (ASTContext &Context, FunctionDecl Fn, ArrayRef< Expr > Args)
	IsAcceptableNonMemberOperatorCandidate - Determine whether Fn is an acceptable non-member overloaded operator for a call whose arguments have types T1 (and, if non-empty, T2).
static bool	isNonViableMultiVersionOverload (FunctionDecl *FD)
static bool	convertArgsForAvailabilityChecks (Sema &S, FunctionDecl Function, Expr ThisArg, SourceLocation CallLoc, ArrayRef< Expr * > Args, Sema::SFINAETrap &Trap, bool MissingImplicitThis, Expr &ConvertedThis, SmallVectorImpl< Expr > &ConvertedArgs)
template<typename CheckFn>
static bool	diagnoseDiagnoseIfAttrsWith (Sema &S, const NamedDecl *ND, bool ArgDependent, SourceLocation Loc, CheckFn &&IsSuccessful)
static void	AddMethodTemplateCandidateImmediately (Sema &S, OverloadCandidateSet &CandidateSet, FunctionTemplateDecl MethodTmpl, DeclAccessPair FoundDecl, CXXRecordDecl ActingContext, TemplateArgumentListInfo ExplicitTemplateArgs, QualType ObjectType, Expr::Classification ObjectClassification, ArrayRef< Expr > Args, bool SuppressUserConversions, bool PartialOverloading, OverloadCandidateParamOrder PO)
static bool	isNonDependentlyExplicit (FunctionTemplateDecl *FTD)
	Determine whether a given function template has a simple explicit specifier or a non-value-dependent explicit-specification that evaluates to true.
static bool	hasDependentExplicit (FunctionTemplateDecl *FTD)
static void	AddTemplateOverloadCandidateImmediately (Sema &S, OverloadCandidateSet &CandidateSet, FunctionTemplateDecl FunctionTemplate, DeclAccessPair FoundDecl, TemplateArgumentListInfo ExplicitTemplateArgs, ArrayRef< Expr * > Args, bool SuppressUserConversions, bool PartialOverloading, bool AllowExplicit, Sema::ADLCallKind IsADLCandidate, OverloadCandidateParamOrder PO, bool AggregateCandidateDeduction)
static bool	isAllowableExplicitConversion (Sema &S, QualType ConvType, QualType ToType, bool AllowObjCPointerConversion)
	Determine whether this is an allowable conversion from the result of an explicit conversion operator to the expected type, per C++ [over.match.conv]p1 and [over.match.ref]p1.
static void	AddTemplateConversionCandidateImmediately (Sema &S, OverloadCandidateSet &CandidateSet, FunctionTemplateDecl FunctionTemplate, DeclAccessPair FoundDecl, CXXRecordDecl ActingContext, Expr *From, QualType ToType, bool AllowObjCConversionOnExplicit, bool AllowExplicit, bool AllowResultConversion)
static QualType	AdjustAddressSpaceForBuiltinOperandType (Sema &S, QualType T, Expr *Arg)
	Helper function for adjusting address spaces for the pointer or reference operands of builtin operators depending on the argument.
static void	AddBuiltinAssignmentOperatorCandidates (Sema &S, QualType T, ArrayRef< Expr * > Args, OverloadCandidateSet &CandidateSet)
	Helper function for AddBuiltinOperatorCandidates() that adds the volatile- and non-volatile-qualified assignment operators for the given type to the candidate set.
static Qualifiers	CollectVRQualifiers (ASTContext &Context, Expr *ArgExpr)
	CollectVRQualifiers - This routine returns Volatile/Restrict qualifiers, if any, found in visible type conversion functions found in ArgExpr's type.
static void	forAllQualifierCombinationsImpl (QualifiersAndAtomic Available, QualifiersAndAtomic Applied, llvm::function_ref< void(QualifiersAndAtomic)> Callback)
static void	forAllQualifierCombinations (QualifiersAndAtomic Quals, llvm::function_ref< void(QualifiersAndAtomic)> Callback)
static QualType	makeQualifiedLValueReferenceType (QualType Base, QualifiersAndAtomic Quals, Sema &S)
static Comparison	compareEnableIfAttrs (const Sema &S, const FunctionDecl Cand1, const FunctionDecl Cand2)
	Compares the enable_if attributes of two FunctionDecls, for the purposes of overload resolution.
static Comparison	isBetterMultiversionCandidate (const OverloadCandidate &Cand1, const OverloadCandidate &Cand2)
static std::optional< QualType >	getImplicitObjectParamType (ASTContext &Context, const FunctionDecl *F)
	Compute the type of the implicit object parameter for the given function, if any.
static bool	allowAmbiguity (ASTContext &Context, const FunctionDecl F1, const FunctionDecl F2)
static bool	sameFunctionParameterTypeLists (Sema &S, FunctionDecl Fn1, FunctionDecl Fn2, bool IsFn1Reversed, bool IsFn2Reversed)
	We're allowed to use constraints partial ordering only if the candidates have the same parameter types: [over.match.best.general]p2.6 F1 and F2 are non-template functions with the same non-object-parameter-type-lists, and F1 is more constrained than F2 [...].
static FunctionDecl *	getMorePartialOrderingConstrained (Sema &S, FunctionDecl Fn1, FunctionDecl Fn2, bool IsFn1Reversed, bool IsFn2Reversed)
static void	AddTemplateOverloadCandidate (Sema &S, OverloadCandidateSet &CandidateSet, DeferredMethodTemplateOverloadCandidate &C)
static void	AddTemplateOverloadCandidate (Sema &S, OverloadCandidateSet &CandidateSet, DeferredFunctionTemplateOverloadCandidate &C)
static void	AddTemplateOverloadCandidate (Sema &S, OverloadCandidateSet &CandidateSet, DeferredConversionTemplateOverloadCandidate &C)
static bool	isFunctionAlwaysEnabled (const ASTContext &Ctx, const FunctionDecl *FD)
static bool	checkAddressOfFunctionIsAvailable (Sema &S, const FunctionDecl *FD, bool Complain, bool InOverloadResolution, SourceLocation Loc)
	Returns true if we can take the address of the function.
static bool	checkAddressOfCandidateIsAvailable (Sema &S, const FunctionDecl *FD)
static bool	shouldSkipNotingLambdaConversionDecl (const FunctionDecl *Fn)
static void	MaybeDiagnoseAmbiguousConstraints (Sema &S, ArrayRef< OverloadCandidate > Cands)
static void	DiagnoseBadConversion (Sema &S, OverloadCandidate *Cand, unsigned I, bool TakingCandidateAddress)
static bool	CheckArityMismatch (Sema &S, OverloadCandidate *Cand, unsigned NumArgs, bool IsAddressOf=false)
	Additional arity mismatch diagnosis specific to a function overload candidates.
static void	DiagnoseArityMismatch (Sema &S, NamedDecl Found, Decl D, unsigned NumFormalArgs, bool IsAddressOf=false)
	General arity mismatch diagnosis over a candidate in a candidate set.
static void	DiagnoseArityMismatch (Sema &S, OverloadCandidate *Cand, unsigned NumFormalArgs)
	Arity mismatch diagnosis specific to a function overload candidate.
static TemplateDecl *	getDescribedTemplate (Decl *Templated)
static void	DiagnoseBadDeduction (Sema &S, NamedDecl Found, Decl Templated, DeductionFailureInfo &DeductionFailure, unsigned NumArgs, bool TakingCandidateAddress)
	Diagnose a failed template-argument deduction.
static void	DiagnoseBadDeduction (Sema &S, OverloadCandidate *Cand, unsigned NumArgs, bool TakingCandidateAddress)
	Diagnose a failed template-argument deduction, for function calls.
static void	DiagnoseBadTarget (Sema &S, OverloadCandidate *Cand)
	CUDA: diagnose an invalid call across targets.
static void	DiagnoseFailedEnableIfAttr (Sema &S, OverloadCandidate *Cand)
static void	DiagnoseFailedExplicitSpec (Sema &S, OverloadCandidate *Cand)
static void	NoteImplicitDeductionGuide (Sema &S, FunctionDecl *Fn)
static void	NoteFunctionCandidate (Sema &S, OverloadCandidate *Cand, unsigned NumArgs, bool TakingCandidateAddress, LangAS CtorDestAS=LangAS::Default)
	Generates a 'note' diagnostic for an overload candidate.
static void	NoteSurrogateCandidate (Sema &S, OverloadCandidate *Cand)
static void	NoteBuiltinOperatorCandidate (Sema &S, StringRef Opc, SourceLocation OpLoc, OverloadCandidate *Cand)
static void	NoteAmbiguousUserConversions (Sema &S, SourceLocation OpLoc, OverloadCandidate *Cand)
static SourceLocation	GetLocationForCandidate (const OverloadCandidate *Cand)
static unsigned	RankDeductionFailure (const DeductionFailureInfo &DFI)
static void	CompleteNonViableCandidate (Sema &S, OverloadCandidate Cand, ArrayRef< Expr > Args, OverloadCandidateSet::CandidateSetKind CSK)
	CompleteNonViableCandidate - Normally, overload resolution only computes up to the first bad conversion.
static SourceLocation	GetLocationForCandidate (const TemplateSpecCandidate *Cand)
static bool	completeFunctionType (Sema &S, FunctionDecl *FD, SourceLocation Loc, bool Complain=true)
static void	AddOverloadedCallCandidate (Sema &S, DeclAccessPair FoundDecl, TemplateArgumentListInfo ExplicitTemplateArgs, ArrayRef< Expr > Args, OverloadCandidateSet &CandidateSet, bool PartialOverloading, bool KnownValid)
	Add a single candidate to the overload set.
static bool	canBeDeclaredInNamespace (const DeclarationName &Name)
	Determine whether a declaration with the specified name could be moved into a different namespace.
static bool	DiagnoseTwoPhaseLookup (Sema &SemaRef, SourceLocation FnLoc, const CXXScopeSpec &SS, LookupResult &R, OverloadCandidateSet::CandidateSetKind CSK, TemplateArgumentListInfo ExplicitTemplateArgs, ArrayRef< Expr > Args, CXXRecordDecl **FoundInClass=nullptr)
	Attempt to recover from an ill-formed use of a non-dependent name in a template, where the non-dependent name was declared after the template was defined.
static bool	DiagnoseTwoPhaseOperatorLookup (Sema &SemaRef, OverloadedOperatorKind Op, SourceLocation OpLoc, ArrayRef< Expr * > Args)
	Attempt to recover from ill-formed use of a non-dependent operator in a template, where the non-dependent operator was declared after the template was defined.
static ExprResult	BuildRecoveryCallExpr (Sema &SemaRef, Scope S, Expr Fn, UnresolvedLookupExpr ULE, SourceLocation LParenLoc, MutableArrayRef< Expr > Args, SourceLocation RParenLoc, bool EmptyLookup, bool AllowTypoCorrection)
	Attempts to recover from a call where no functions were found.
static QualType	chooseRecoveryType (OverloadCandidateSet &CS, OverloadCandidateSet::iterator *Best)
static ExprResult	FinishOverloadedCallExpr (Sema &SemaRef, Scope S, Expr Fn, UnresolvedLookupExpr ULE, SourceLocation LParenLoc, MultiExprArg Args, SourceLocation RParenLoc, Expr ExecConfig, OverloadCandidateSet CandidateSet, OverloadCandidateSet::iterator Best, OverloadingResult OverloadResult, bool AllowTypoCorrection)
	FinishOverloadedCallExpr - given an OverloadCandidateSet, builds and returns the completed call expression.
static void	markUnaddressableCandidatesUnviable (Sema &S, OverloadCandidateSet &CS)
static bool	PrepareArgumentsForCallToObjectOfClassType (Sema &S, SmallVectorImpl< Expr * > &MethodArgs, CXXMethodDecl *Method, MultiExprArg Args, SourceLocation LParenLoc)

Typedef Documentation

◆ AllowedExplicit

using AllowedExplicit = Sema::AllowedExplicit

Definition at line 53 of file SemaOverload.cpp.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
ft_default
ft_different_class
ft_parameter_arity
ft_parameter_mismatch
ft_return_type
ft_qualifer_mismatch
ft_noexcept

Definition at line 3314 of file SemaOverload.cpp.

◆ FixedEnumPromotion

enum class FixedEnumPromotion

strong

Enumerator
None
ToUnderlyingType
ToPromotedUnderlyingType

Definition at line 4498 of file SemaOverload.cpp.

Function Documentation

◆ AddBuiltinAssignmentOperatorCandidates()

void AddBuiltinAssignmentOperatorCandidates	(	Sema &	S,
		QualType	T,
		ArrayRef< Expr * >	Args,
		OverloadCandidateSet &	CandidateSet )

static

Helper function for AddBuiltinOperatorCandidates() that adds the volatile- and non-volatile-qualified assignment operators for the given type to the candidate set.

Definition at line 9116 of file SemaOverload.cpp.

References clang::Sema::AddBuiltinCandidate(), AdjustAddressSpaceForBuiltinOperandType(), clang::Sema::Context, clang::ASTContext::getCanonicalType(), clang::ASTContext::getLValueReferenceType(), clang::ASTContext::getVolatileType(), clang::CanQual< T >::isVolatileQualified(), and clang::T.

◆ AddMethodTemplateCandidateImmediately()

void AddMethodTemplateCandidateImmediately	(	Sema &	S,
		OverloadCandidateSet &	CandidateSet,
		FunctionTemplateDecl *	MethodTmpl,
		DeclAccessPair	FoundDecl,
		CXXRecordDecl *	ActingContext,
		TemplateArgumentListInfo *	ExplicitTemplateArgs,
		QualType	ObjectType,
		Expr::Classification	ObjectClassification,
		ArrayRef< Expr * >	Args,
		bool	SuppressUserConversions,
		bool	PartialOverloading,
		OverloadCandidateParamOrder	PO )

static

Definition at line 7872 of file SemaOverload.cpp.

Referenced by clang::Sema::AddMethodTemplateCandidate(), and AddTemplateOverloadCandidate().

◆ AddOverloadedCallCandidate()

void AddOverloadedCallCandidate	(	Sema &	S,
		DeclAccessPair	FoundDecl,
		TemplateArgumentListInfo *	ExplicitTemplateArgs,
		ArrayRef< Expr * >	Args,
		OverloadCandidateSet &	CandidateSet,
		bool	PartialOverloading,
		bool	KnownValid )

static

Add a single candidate to the overload set.

Definition at line 14179 of file SemaOverload.cpp.

References clang::Sema::AddOverloadCandidate(), clang::Sema::AddTemplateOverloadCandidate(), clang::cast(), clang::Func, clang::DeclAccessPair::getDecl(), and clang::isa().

Referenced by clang::Sema::AddOverloadedCallCandidates(), and clang::Sema::AddOverloadedCallCandidates().

◆ AddTemplateConversionCandidateImmediately()

void AddTemplateConversionCandidateImmediately	(	Sema &	S,
		OverloadCandidateSet &	CandidateSet,
		FunctionTemplateDecl *	FunctionTemplate,
		DeclAccessPair	FoundDecl,
		CXXRecordDecl *	ActingContext,
		Expr *	From,
		QualType	ToType,
		bool	AllowObjCConversionOnExplicit,
		bool	AllowExplicit,
		bool	AllowResultConversion )

static

Definition at line 8467 of file SemaOverload.cpp.

Referenced by clang::Sema::AddTemplateConversionCandidate(), and AddTemplateOverloadCandidate().

◆ AddTemplateOverloadCandidate() [1/3]

void AddTemplateOverloadCandidate	(	Sema &	S,
		OverloadCandidateSet &	CandidateSet,
		DeferredConversionTemplateOverloadCandidate &	C )

static

Definition at line 11255 of file SemaOverload.cpp.

References AddTemplateConversionCandidateImmediately(), and clang::C.

◆ AddTemplateOverloadCandidate() [2/3]

void AddTemplateOverloadCandidate	(	Sema &	S,
		OverloadCandidateSet &	CandidateSet,
		DeferredFunctionTemplateOverloadCandidate &	C )

static

Definition at line 11245 of file SemaOverload.cpp.

References AddTemplateOverloadCandidateImmediately(), and clang::C.

◆ AddTemplateOverloadCandidate() [3/3]

void AddTemplateOverloadCandidate	(	Sema &	S,
		OverloadCandidateSet &	CandidateSet,
		DeferredMethodTemplateOverloadCandidate &	C )

static

Definition at line 11235 of file SemaOverload.cpp.

References AddMethodTemplateCandidateImmediately(), and clang::C.

Referenced by clang::Sema::AddArgumentDependentLookupCandidates(), clang::Sema::AddFunctionCandidates(), clang::Sema::AddNonMemberOperatorCandidates(), and clang::OverloadCandidateSet::InjectNonDeducedTemplateCandidates().

◆ AddTemplateOverloadCandidateImmediately()

void AddTemplateOverloadCandidateImmediately	(	Sema &	S,
		OverloadCandidateSet &	CandidateSet,
		FunctionTemplateDecl *	FunctionTemplate,
		DeclAccessPair	FoundDecl,
		TemplateArgumentListInfo *	ExplicitTemplateArgs,
		ArrayRef< Expr * >	Args,
		bool	SuppressUserConversions,
		bool	PartialOverloading,
		bool	AllowExplicit,
		Sema::ADLCallKind	IsADLCandidate,
		OverloadCandidateParamOrder	PO,
		bool	AggregateCandidateDeduction )

static

Definition at line 7982 of file SemaOverload.cpp.

References clang::OverloadCandidateSet::addCandidate(), clang::OverloadCandidateSet::CSK_AddressOfOverloadSet, clang::Sema::DeduceTemplateArguments(), clang::OverloadCandidate::FailureKind, clang::OverloadCandidate::FoundDecl, clang::OverloadCandidate::Function, clang::FunctionTemplate, clang::OverloadCandidateSet::getKind(), clang::OverloadCandidateSet::getLocation(), isNonDependentlyExplicit(), clang::ovl_fail_explicit, clang::Specialization, and clang::OverloadCandidate::Viable.

Referenced by AddTemplateOverloadCandidate(), and clang::Sema::AddTemplateOverloadCandidate().

◆ AdjustAddressSpaceForBuiltinOperandType()

QualType AdjustAddressSpaceForBuiltinOperandType	(	Sema &	S,
		QualType	T,
		Expr *	Arg )

static

Helper function for adjusting address spaces for the pointer or reference operands of builtin operators depending on the argument.

Definition at line 9108 of file SemaOverload.cpp.

References clang::Sema::Context, clang::QualType::getAddressSpace(), clang::ASTContext::getAddrSpaceQualType(), clang::Expr::getType(), and clang::T.

Referenced by AddBuiltinAssignmentOperatorCandidates().

◆ AdoptQualifiers()

QualType AdoptQualifiers	(	ASTContext &	Context,
		QualType	T,
		Qualifiers	Qs )

static

Adopt the given qualifiers for the given type.

Definition at line 3037 of file SemaOverload.cpp.

References clang::Qualifiers::compatiblyIncludes(), and clang::T.

Referenced by clang::Sema::isObjCPointerConversion().

◆ allowAmbiguity()

bool allowAmbiguity	(	ASTContext &	Context,
		const FunctionDecl *	F1,
		const FunctionDecl *	F2 )

static

Definition at line 10617 of file SemaOverload.cpp.

References clang::declaresSameEntity(), clang::First, getImplicitObjectParamType(), clang::FunctionDecl::getNumParams(), clang::FunctionDecl::getParamDecl(), clang::FunctionDecl::getPrimaryTemplate(), clang::ValueDecl::getType(), clang::isa(), clang::QualType::isNull(), and clang::T.

Referenced by clang::Sema::CreateOverloadedBinOp(), and clang::isBetterOverloadCandidate().

◆ BuildConvertedConstantExpression()

ExprResult BuildConvertedConstantExpression	(	Sema &	S,
		Expr *	From,
		QualType	T,
		CCEKind	CCE,
		NamedDecl *	Dest,
		APValue &	PreNarrowingValue )

static

BuildConvertedConstantExpression - Check that the expression From is a converted constant expression of type T, perform the conversion but does not evaluate the expression.

Definition at line 6268 of file SemaOverload.cpp.

Referenced by CheckConvertedConstantExpression().

◆ BuildRecoveryCallExpr()

ExprResult BuildRecoveryCallExpr	(	Sema &	SemaRef,
		Scope *	S,
		Expr *	Fn,
		UnresolvedLookupExpr *	ULE,
		SourceLocation	LParenLoc,
		MutableArrayRef< Expr * >	Args,
		SourceLocation	RParenLoc,
		bool	EmptyLookup,
		bool	AllowTypoCorrection )

static

Attempts to recover from a call where no functions were found.

This function will do one of three things:

Diagnose, recover, and return a recovery expression.
Diagnose, fail to recover, and return ExprError().
Do not diagnose, do not recover, and return ExprResult(). The caller is expected to diagnose as appropriate.

Definition at line 14441 of file SemaOverload.cpp.

References clang::CXXScopeSpec::Adopt(), clang::LookupResult::begin(), clang::Sema::BuildCallExpr(), clang::Sema::BuildDeclarationNameExpr(), clang::Sema::BuildPossibleImplicitMemberExpr(), clang::Sema::BuildTemplateIdExpr(), clang::LookupResult::clear(), clang::OverloadExpr::copyTemplateArgumentsInto(), clang::OverloadCandidateSet::CSK_Normal, clang::Sema::DiagnoseDependentMemberLookup(), clang::Sema::DiagnoseEmptyLookup(), DiagnoseTwoPhaseLookup(), clang::LookupResult::empty(), clang::ExprError(), clang::ActionResult< PtrTy, Compress >::get(), clang::Sema::getLangOpts(), clang::OverloadExpr::getName(), clang::OverloadExpr::getNameLoc(), clang::OverloadExpr::getQualifierLoc(), clang::OverloadExpr::getTemplateKeywordLoc(), clang::OverloadExpr::hasExplicitTemplateArgs(), clang::LookupResult::isAmbiguous(), clang::Sema::IsBuildingRecoveryCallExpr, clang::ActionResult< PtrTy, Compress >::isInvalid(), clang::SourceLocation::isValid(), clang::Sema::LookupOrdinaryName, and clang::LookupResult::suppressDiagnostics().

Referenced by FinishOverloadedCallExpr().

◆ BuildSimilarlyQualifiedPointerType()

QualType BuildSimilarlyQualifiedPointerType	(	const Type *	FromPtr,
		QualType	ToPointee,
		QualType	ToType,
		ASTContext &	Context,
		bool	StripObjCLifetime = false )

static

BuildSimilarlyQualifiedPointerType - In a pointer conversion from the pointer type FromPtr to a pointer to type ToPointee, with the same type qualifiers as FromPtr has on its pointee type.

ToType, if non-empty, will be a pointer to ToType that may or may not have the right set of qualifiers on its pointee.

Conversions to 'id' subsume cv-qualifier conversions.

Definition at line 2846 of file SemaOverload.cpp.

References clang::QualType::getCanonicalType(), clang::QualType::getLocalQualifiers(), clang::QualType::getLocalUnqualifiedType(), clang::Type::getPointeeType(), clang::QualType::getQualifiers(), clang::Type::getTypeClass(), clang::QualType::getUnqualifiedType(), clang::isa(), clang::QualType::isNull(), clang::Type::isObjCIdType(), clang::Type::isObjCQualifiedIdType(), and clang::Qualifiers::removeObjCLifetime().

Referenced by clang::Sema::isObjCPointerConversion(), and clang::Sema::IsPointerConversion().

◆ canBeDeclaredInNamespace()

bool canBeDeclaredInNamespace ( const DeclarationName & Name )

static

Determine whether a declaration with the specified name could be moved into a different namespace.

Definition at line 14281 of file SemaOverload.cpp.

References clang::DeclarationName::getCXXOverloadedOperator().

Referenced by DiagnoseTwoPhaseLookup().

◆ checkAddressOfCandidateIsAvailable()

bool checkAddressOfCandidateIsAvailable	(	Sema &	S,
		const FunctionDecl *	FD )

static

Definition at line 11619 of file SemaOverload.cpp.

References checkAddressOfFunctionIsAvailable().

Referenced by DiagnoseBadConversion(), DiagnoseBadDeduction(), NoteFunctionCandidate(), and clang::Sema::NoteOverloadCandidate().

◆ checkAddressOfFunctionIsAvailable()

bool checkAddressOfFunctionIsAvailable	(	Sema &	S,
		const FunctionDecl *	FD,
		bool	Complain,
		bool	InOverloadResolution,
		SourceLocation	Loc )

static

Returns true if we can take the address of the function.

Parameters

Complain	- If true, we'll emit a diagnostic
InOverloadResolution	- For the purposes of emitting a diagnostic, are we in overload resolution?
Loc	- The location of the statement we're complaining about. Ignored if we're not complaining, or if we're in overload resolution.

Definition at line 11557 of file SemaOverload.cpp.

References clang::Sema::CheckFunctionConstraints(), clang::Sema::Context, clang::SemaBase::Diag(), clang::Sema::DiagnoseUnsatisfiedConstraint(), clang::DeclaratorDecl::getBeginLoc(), clang::Decl::getLocation(), clang::FunctionDecl::getPrimaryTemplate(), clang::Sema::getTemplateArgumentBindingsText(), clang::FunctionDecl::getTemplateSpecializationArgs(), clang::DeclaratorDecl::getTrailingRequiresClause(), isFunctionAlwaysEnabled(), clang::ConstraintSatisfaction::IsSatisfied, clang::FunctionDecl::param_begin(), clang::FunctionDecl::param_end(), and clang::FunctionDecl::parameters().

Referenced by checkAddressOfCandidateIsAvailable(), and clang::Sema::resolveAddressOfSingleOverloadCandidate().

◆ checkArgPlaceholdersForOverload()

bool checkArgPlaceholdersForOverload	(	Sema &	S,
		MultiExprArg	Args,
		UnbridgedCastsSet &	unbridged )

static

checkArgPlaceholdersForOverload - Check a set of call operands for placeholders.

Definition at line 1198 of file SemaOverload.cpp.

References checkPlaceholderForOverload().

Referenced by clang::Sema::BuildCallToMemberFunction(), clang::Sema::BuildCallToObjectOfClassType(), clang::Sema::buildOverloadedCallSet(), and clang::Sema::CreateOverloadedArraySubscriptExpr().

◆ CheckArityMismatch()

bool CheckArityMismatch	(	Sema &	S,
		OverloadCandidate *	Cand,
		unsigned	NumArgs,
		bool	IsAddressOf = false )

static

Additional arity mismatch diagnosis specific to a function overload candidates.

This is not covered by the more general DiagnoseArityMismatch() over a candidate in any candidate set.

Definition at line 12028 of file SemaOverload.cpp.

References clang::DeclarationName::CXXOperatorName, clang::OverloadCandidate::DeductionFailure, clang::OverloadCandidate::FailureKind, clang::OverloadCandidate::Function, clang::DeductionFailureInfo::getResult(), clang::ovl_fail_bad_deduction, clang::ovl_fail_too_few_arguments, clang::ovl_fail_too_many_arguments, clang::TooFewArguments, and clang::TooManyArguments.

Referenced by DiagnoseArityMismatch(), and DiagnoseBadDeduction().

◆ CheckConvertedConstantConversions()

bool CheckConvertedConstantConversions	(	Sema &	S,
		StandardConversionSequence &	SCS )

static

Check that the specified conversion is permitted in a converted constant expression, according to C++11 [expr.const]p3.

Return true if the conversion is acceptable.

Definition at line 6196 of file SemaOverload.cpp.

Referenced by BuildConvertedConstantExpression().

◆ CheckConvertedConstantExpression()

ExprResult CheckConvertedConstantExpression	(	Sema &	S,
		Expr *	From,
		QualType	T,
		APValue &	Value,
		CCEKind	CCE,
		bool	RequireInt,
		NamedDecl *	Dest )

static

CheckConvertedConstantExpression - Check that the expression From is a converted constant expression of type T, perform the conversion and produce the converted expression, per C++11 [expr.const]p3.

Definition at line 6417 of file SemaOverload.cpp.

References clang::APValue, BuildConvertedConstantExpression(), clang::Sema::EvaluateConvertedConstantExpression(), and clang::T.

Referenced by clang::Sema::CheckConvertedConstantExpression(), and clang::Sema::tryResolveExplicitSpecifier().

◆ checkPlaceholderForOverload()

bool checkPlaceholderForOverload	(	Sema &	S,
		Expr *&	E,
		UnbridgedCastsSet *	unbridgedCasts = nullptr )

static

checkPlaceholderForOverload - Do any interesting placeholder-like preprocessing on the given expression.

Parameters

unbridgedCasts a collection to which to add unbridged casts; without this, they will be immediately diagnosed as errors

Return true on unrecoverable error.

Definition at line 1168 of file SemaOverload.cpp.

References clang::Sema::CheckPlaceholderExpr(), clang::ActionResult< PtrTy, Compress >::get(), clang::Type::getAsPlaceholderType(), clang::Expr::getType(), and clang::ActionResult< PtrTy, Compress >::isInvalid().

Referenced by clang::Sema::BuildCallToObjectOfClassType(), BuildConvertedConstantExpression(), clang::Sema::BuildOverloadedArrowExpr(), checkArgPlaceholdersForOverload(), clang::Sema::CreateOverloadedBinOp(), clang::Sema::CreateOverloadedUnaryOp(), clang::Sema::PerformContextuallyConvertToBool(), clang::Sema::PerformContextuallyConvertToObjCPointer(), and clang::Sema::PerformImplicitConversion().

◆ chooseRecoveryType()

QualType chooseRecoveryType	(	OverloadCandidateSet &	CS,
		OverloadCandidateSet::iterator *	Best )

static

Definition at line 14598 of file SemaOverload.cpp.

References clang::C, clang::OverloadCandidateSet::end(), clang::OverloadCandidate::Function, clang::FunctionDecl::getReturnType(), clang::Decl::isInvalidDecl(), and clang::T.

Referenced by clang::Sema::BuildCallToMemberFunction(), and FinishOverloadedCallExpr().

◆ collectViableConversionCandidates()

void collectViableConversionCandidates	(	Sema &	SemaRef,
		Expr *	From,
		QualType	ToType,
		UnresolvedSetImpl &	ViableConversions,
		OverloadCandidateSet &	CandidateSet )

static

Definition at line 6753 of file SemaOverload.cpp.

References clang::Sema::AddConversionCandidate(), clang::Sema::AddTemplateConversionCandidate(), clang::cast(), clang::Decl::getDeclContext(), clang::isa(), and clang::UnresolvedSetImpl::pairs().

Referenced by clang::Sema::PerformContextualImplicitConversion().

◆ CollectVRQualifiers()

Qualifiers CollectVRQualifiers	(	ASTContext &	Context,
		Expr *	ArgExpr )

static

CollectVRQualifiers - This routine returns Volatile/Restrict qualifiers, if any, found in visible type conversion functions found in ArgExpr's type.

Definition at line 9142 of file SemaOverload.cpp.

References clang::Qualifiers::addRestrict(), clang::Qualifiers::addVolatile(), clang::cast(), clang::Type::getAs(), clang::Type::getAsCXXRecordDecl(), clang::QualType::getCanonicalType(), clang::Type::getPointeeType(), clang::Expr::getType(), clang::CXXRecordDecl::getVisibleConversionFunctions(), clang::CXXRecordDecl::hasDefinition(), clang::Qualifiers::hasRestrict(), clang::Qualifiers::hasVolatile(), clang::isa(), clang::QualType::isRestrictQualified(), and clang::QualType::isVolatileQualified().

Referenced by clang::Sema::AddBuiltinOperatorCandidates().

◆ compareConversionFunctions()

ImplicitConversionSequence::CompareKind compareConversionFunctions	(	Sema &	S,
		FunctionDecl *	Function1,
		FunctionDecl *	Function2 )

static

Compare the user-defined conversion functions or constructors of two user-defined conversion sequences to determine whether any ordering is possible.

Definition at line 4222 of file SemaOverload.cpp.

References clang::ImplicitConversionSequence::Better, clang::Type::castAs(), clang::Sema::Context, clang::FunctionType::getCallConv(), getConversionOpReturnTyAsFunction(), clang::CXXConversionDecl::getConversionType(), clang::ASTContext::getDefaultCallingConvention(), clang::CXXRecordDecl::getLambdaCallOperator(), clang::Sema::getLangOpts(), clang::CXXMethodDecl::getParent(), clang::ValueDecl::getType(), clang::ImplicitConversionSequence::Indistinguishable, clang::Type::isBlockPointerType(), clang::CXXRecordDecl::isLambda(), and clang::ImplicitConversionSequence::Worse.

Referenced by CompareImplicitConversionSequences(), and clang::isBetterOverloadCandidate().

◆ CompareDerivedToBaseConversions()

ImplicitConversionSequence::CompareKind CompareDerivedToBaseConversions	(	Sema &	S,
		SourceLocation	Loc,
		const StandardConversionSequence &	SCS1,
		const StandardConversionSequence &	SCS2 )

static

CompareDerivedToBaseConversions - Compares two standard conversion sequences to determine whether they can be ranked based on their various kinds of derived-to-base conversions (C++ [over.ics.rank]p4b3).

As part of these checks, we also look at conversions between Objective-C interface types.

Definition at line 4841 of file SemaOverload.cpp.

References clang::ImplicitConversionSequence::Better, clang::ASTContext::canAssignObjCInterfaces(), clang::Type::castAs(), clang::Sema::Context, clang::StandardConversionSequence::First, clang::ASTContext::getArrayDecayedType(), clang::Type::getAs(), clang::ASTContext::getCanonicalType(), clang::StandardConversionSequence::getFromType(), clang::ObjCObjectPointerType::getInterfaceDecl(), clang::MemberPointerType::getMostRecentCXXRecordDecl(), getPointeeType(), clang::StandardConversionSequence::getToType(), clang::QualType::getUnqualifiedType(), clang::ASTContext::hasSameType(), clang::ASTContext::hasSameUnqualifiedType(), clang::ICK_Array_To_Pointer, clang::ICK_Derived_To_Base, clang::ICK_Pointer_Conversion, clang::ICK_Pointer_Member, clang::ImplicitConversionSequence::Indistinguishable, clang::Sema::IsDerivedFrom(), clang::Type::isMemberPointerType(), clang::ObjCObjectPointerType::isObjCClassType(), clang::ObjCObjectPointerType::isObjCIdType(), clang::Type::isPointerType(), clang::ObjCObjectPointerType::isSpecialized(), clang::StandardConversionSequence::Second, and clang::ImplicitConversionSequence::Worse.

Referenced by CompareStandardConversionSequences().

◆ compareEnableIfAttrs()

Comparison compareEnableIfAttrs	(	const Sema &	S,
		const FunctionDecl *	Cand1,
		const FunctionDecl *	Cand2 )

static

Compares the enable_if attributes of two FunctionDecls, for the purposes of overload resolution.

Cand1's set of enable_if attributes are said to be "better" than Cand2's iff Cand1's first N enable_if attributes have precisely the same conditions as Cand2's first N enable_if attributes (where N = the number of enable_if attributes on Cand2), and Cand1 has more than N enable_if attributes.

Note that you can have a pair of candidates such that Cand1's enable_if attributes are worse than Cand2's, and Cand2's enable_if attributes are worse than Cand1's.

Definition at line 10506 of file SemaOverload.cpp.

References clang::Comparison, clang::Sema::getASTContext(), clang::Decl::hasAttr(), and clang::Decl::specific_attrs().

Referenced by clang::isBetterOverloadCandidate().

◆ CompareImplicitConversionSequences()

ImplicitConversionSequence::CompareKind CompareImplicitConversionSequences	(	Sema &	S,
		SourceLocation	Loc,
		const ImplicitConversionSequence &	ICS1,
		const ImplicitConversionSequence &	ICS2 )

static

CompareImplicitConversionSequences - Compare two implicit conversion sequences to determine whether one is better than the other or if they are indistinguishable (C++ 13.3.3.2).

Definition at line 4292 of file SemaOverload.cpp.

Referenced by clang::Sema::CreateOverloadedBinOp(), clang::isBetterOverloadCandidate(), and TryListConversion().

◆ CompareQualificationConversions()

ImplicitConversionSequence::CompareKind CompareQualificationConversions	(	Sema &	S,
		const StandardConversionSequence &	SCS1,
		const StandardConversionSequence &	SCS2 )

static

CompareQualificationConversions - Compares two standard conversion sequences to determine whether they can be ranked based on their qualification conversions (C++ 13.3.3.2p3 bullet 3).

Definition at line 4772 of file SemaOverload.cpp.

References clang::ImplicitConversionSequence::Better, clang::Sema::Context, clang::StandardConversionSequence::DeprecatedStringLiteralToCharPtr, clang::StandardConversionSequence::First, clang::ASTContext::getCanonicalType(), clang::StandardConversionSequence::getToType(), clang::ASTContext::getUnqualifiedArrayType(), clang::ICK_Qualification, clang::ImplicitConversionSequence::Indistinguishable, clang::Sema::IsQualificationConversion(), clang::Type::isReferenceType(), clang::StandardConversionSequence::QualificationIncludesObjCLifetime, clang::StandardConversionSequence::Second, clang::StandardConversionSequence::Third, and clang::ImplicitConversionSequence::Worse.

Referenced by CompareStandardConversionSequences().

◆ CompareStandardConversionSequences()

ImplicitConversionSequence::CompareKind CompareStandardConversionSequences	(	Sema &	S,
		SourceLocation	Loc,
		const StandardConversionSequence &	SCS1,
		const StandardConversionSequence &	SCS2 )

static

CompareStandardConversionSequences - Compare two standard conversion sequences to determine whether one is better than the other or if they are indistinguishable (C++ 13.3.3.2p3).

Definition at line 4529 of file SemaOverload.cpp.

Referenced by CompareImplicitConversionSequences(), and clang::isBetterOverloadCandidate().

◆ compareStandardConversionSubsets()

ImplicitConversionSequence::CompareKind compareStandardConversionSubsets	(	ASTContext &	Context,
		const StandardConversionSequence &	SCS1,
		const StandardConversionSequence &	SCS2 )

static

Definition at line 4429 of file SemaOverload.cpp.

References clang::ImplicitConversionSequence::Better, clang::StandardConversionSequence::getToType(), clang::ICK_Identity, clang::ImplicitConversionSequence::Indistinguishable, clang::StandardConversionSequence::isIdentityConversion(), clang::StandardConversionSequence::Second, clang::StandardConversionSequence::Third, and clang::ImplicitConversionSequence::Worse.

Referenced by CompareStandardConversionSequences().

◆ completeFunctionType()

bool completeFunctionType	(	Sema &	S,
		FunctionDecl *	FD,
		SourceLocation	Loc,
		bool	Complain = true )

static

Definition at line 13410 of file SemaOverload.cpp.

References clang::Type::castAs(), clang::Sema::DeduceReturnType(), clang::Sema::getLangOpts(), clang::FunctionDecl::getReturnType(), clang::ValueDecl::getType(), clang::Type::isUndeducedType(), clang::isUnresolvedExceptionSpec(), and clang::Sema::ResolveExceptionSpec().

Referenced by clang::Sema::ResolveSingleFunctionTemplateSpecialization().

◆ CompleteNonViableCandidate()

void CompleteNonViableCandidate	(	Sema &	S,
		OverloadCandidate *	Cand,
		ArrayRef< Expr * >	Args,
		OverloadCandidateSet::CandidateSetKind	CSK )

static

CompleteNonViableCandidate - Normally, overload resolution only computes up to the first bad conversion.

Produces the FixIt set if possible.

Definition at line 13048 of file SemaOverload.cpp.

Referenced by clang::OverloadCandidateSet::CompleteCandidates().

◆ convertArgsForAvailabilityChecks()

bool convertArgsForAvailabilityChecks	(	Sema &	S,
		FunctionDecl *	Function,
		Expr *	ThisArg,
		SourceLocation	CallLoc,
		ArrayRef< Expr * >	Args,
		Sema::SFINAETrap &	Trap,
		bool	MissingImplicitThis,
		Expr *&	ConvertedThis,
		SmallVectorImpl< Expr * > &	ConvertedArgs )

static

Definition at line 7401 of file SemaOverload.cpp.

References clang::Sema::BuildCXXDefaultArgExpr(), clang::cast(), clang::Sema::Context, clang::ActionResult< PtrTy, Compress >::get(), clang::ParmVarDecl::hasDefaultArg(), clang::Sema::SFINAETrap::hasErrorOccurred(), clang::InitializedEntity::InitializeParameter(), clang::isa(), clang::ActionResult< PtrTy, Compress >::isInvalid(), clang::Sema::PerformCopyInitialization(), and clang::Sema::PerformImplicitObjectArgumentInitialization().

Referenced by clang::Sema::CheckEnableIf().

◆ CreateFunctionRefExpr()

ExprResult CreateFunctionRefExpr	(	Sema &	S,
		FunctionDecl *	Fn,
		NamedDecl *	FoundDecl,
		const Expr *	Base,
		bool	HadMultipleCandidates,
		SourceLocation	Loc = SourceLocation(),
		const DeclarationNameLoc &	LocInfo = DeclarationNameLoc() )

static

A convenience routine for creating a decayed reference to a function.

Definition at line 62 of file SemaOverload.cpp.

References clang::Sema::Context, clang::Sema::DiagnoseUseOfDecl(), clang::ExprError(), clang::Type::getAs(), clang::ASTContext::getPointerType(), clang::Expr::getType(), clang::Sema::ImpCastExprToType(), clang::isUnresolvedExceptionSpec(), clang::Sema::MarkDeclRefReferenced(), clang::Sema::ResolveExceptionSpec(), clang::DeclRefExpr::setHadMultipleCandidates(), clang::Expr::setType(), and clang::VK_LValue.

Referenced by clang::Sema::BuildCallToMemberFunction(), clang::Sema::BuildCallToObjectOfClassType(), clang::Sema::BuildCXXMemberCallExpr(), clang::Sema::BuildLiteralOperatorCall(), clang::Sema::BuildOverloadedArrowExpr(), clang::Sema::CreateOverloadedArraySubscriptExpr(), clang::Sema::CreateOverloadedBinOp(), and clang::Sema::CreateOverloadedUnaryOp().

◆ diagnoseAmbiguousConversion()

ExprResult diagnoseAmbiguousConversion	(	Sema &	SemaRef,
		SourceLocation	Loc,
		Expr *	From,
		Sema::ContextualImplicitConverter &	Converter,
		QualType	T,
		UnresolvedSetImpl &	ViableConversions )

static

Definition at line 6651 of file SemaOverload.cpp.

References clang::cast(), clang::Sema::ContextualImplicitConverter::diagnoseAmbiguous(), clang::ExprError(), clang::CXXConversionDecl::getConversionType(), clang::QualType::getNonReferenceType(), clang::Stmt::getSourceRange(), clang::Sema::ContextualImplicitConverter::noteAmbiguous(), clang::UnresolvedSetImpl::size(), clang::Sema::ContextualImplicitConverter::Suppress, and clang::T.

Referenced by clang::Sema::PerformContextualImplicitConversion().

◆ DiagnoseArityMismatch() [1/2]

void DiagnoseArityMismatch	(	Sema &	S,
		NamedDecl *	Found,
		Decl *	D,
		unsigned	NumFormalArgs,
		bool	IsAddressOf = false )

static

General arity mismatch diagnosis over a candidate in a candidate set.

Definition at line 12060 of file SemaOverload.cpp.

References clang::cast(), clang::CRK_None, clang::SemaBase::Diag(), clang::Found, and clang::isa().

Referenced by DiagnoseArityMismatch(), DiagnoseBadDeduction(), and NoteFunctionCandidate().

◆ DiagnoseArityMismatch() [2/2]

void DiagnoseArityMismatch	(	Sema &	S,
		OverloadCandidate *	Cand,
		unsigned	NumFormalArgs )

static

Arity mismatch diagnosis specific to a function overload candidate.

Definition at line 12119 of file SemaOverload.cpp.

References CheckArityMismatch(), DiagnoseArityMismatch(), clang::OverloadCandidate::FoundDecl, clang::OverloadCandidate::Function, and clang::OverloadCandidate::TookAddressOfOverload.

◆ DiagnoseBadConversion()

void DiagnoseBadConversion	(	Sema &	S,
		OverloadCandidate *	Cand,
		unsigned	I,
		bool	TakingCandidateAddress )

static

Definition at line 11776 of file SemaOverload.cpp.

Referenced by NoteFunctionCandidate().

◆ DiagnoseBadDeduction() [1/2]

void DiagnoseBadDeduction	(	Sema &	S,
		NamedDecl *	Found,
		Decl *	Templated,
		DeductionFailureInfo &	DeductionFailure,
		unsigned	NumArgs,
		bool	TakingCandidateAddress )

static

Diagnose a failed template-argument deduction.

Definition at line 12136 of file SemaOverload.cpp.

References clang::AlreadyDiagnosed, clang::QualifierCollector::apply(), clang::cast(), checkAddressOfCandidateIsAvailable(), clang::ConstraintsNotSatisfied, clang::Sema::Context, clang::CUDATargetMismatch, clang::DeductionFailureInfo::Data, clang::DeducedMismatch, clang::DeducedMismatchNested, clang::SemaBase::Diag(), DiagnoseArityMismatch(), clang::Sema::DiagnoseUnsatisfiedConstraint(), clang::Found, clang::TemplateArgument::getAsTemplate(), clang::TemplateName::getAsTemplateDecl(), clang::TemplateArgument::getAsType(), clang::DeductionFailureInfo::getCallArgIndex(), clang::NamedDecl::getDeclName(), getDescribedTemplate(), clang::Sema::getDiagnostics(), clang::DeductionFailureInfo::getFirstArg(), clang::TemplateArgument::getKind(), clang::TemplateName::getKind(), clang::Decl::getLocation(), clang::NamedDecl::getName(), clang::TemplateArgument::getNonTypeTemplateArgumentType(), clang::DeductionFailureInfo::getResult(), clang::DeductionFailureInfo::getSecondArg(), clang::DeductionFailureInfo::getSFINAEDiagnostic(), clang::Sema::getTemplateArgumentBindingsText(), clang::DeductionFailureInfo::getTemplateArgumentList(), clang::DeductionFailureInfo::getTemplateParameter(), clang::TypeDecl::getTypeForDecl(), clang::ASTContext::hasSameType(), clang::Incomplete, clang::IncompletePack, clang::Inconsistent, clang::InstantiationDepth, clang::Invalid, clang::InvalidExplicitArguments, clang::isa(), clang::QualType::isNull(), clang::MiscellaneousDeductionFailure, clang::NonDeducedMismatch, clang::NonDependentConversionFailure, clang::TemplateArgument::Pack, clang::TemplateArgument::pack_size(), clang::QualifierCollector::strip(), clang::SubstitutionFailure, clang::Success, clang::TemplateArgument::Template, clang::TemplateName::Template, clang::TooFewArguments, clang::TooManyArguments, and clang::Underqualified.

Referenced by DiagnoseBadDeduction(), clang::TemplateSpecCandidate::NoteDeductionFailure(), and NoteFunctionCandidate().

◆ DiagnoseBadDeduction() [2/2]

void DiagnoseBadDeduction	(	Sema &	S,
		OverloadCandidate *	Cand,
		unsigned	NumArgs,
		bool	TakingCandidateAddress )

static

Diagnose a failed template-argument deduction, for function calls.

Definition at line 12421 of file SemaOverload.cpp.

References CheckArityMismatch(), clang::OverloadCandidate::DeductionFailure, DiagnoseBadDeduction(), clang::OverloadCandidate::FoundDecl, clang::OverloadCandidate::Function, clang::DeductionFailureInfo::getResult(), clang::TooFewArguments, and clang::TooManyArguments.

◆ DiagnoseBadTarget()

void DiagnoseBadTarget	(	Sema &	S,
		OverloadCandidate *	Cand )

static

◆ diagnoseDiagnoseIfAttrsWith()

template<typename CheckFn>

bool diagnoseDiagnoseIfAttrsWith	(	Sema &	S,
		const NamedDecl *	ND,
		bool	ArgDependent,
		SourceLocation	Loc,
		CheckFn &&	IsSuccessful )

static

Definition at line 7496 of file SemaOverload.cpp.

References clang::DiagnosticIDs::CLASS_WARNING, clang::SemaBase::Diag(), clang::Sema::Diags, clang::diag::Error, clang::DiagnosticsEngine::getDiagnosticIDs(), clang::Decl::specific_attrs(), and clang::diag::Warning.

Referenced by clang::Sema::diagnoseArgDependentDiagnoseIfAttrs(), and clang::Sema::diagnoseArgIndependentDiagnoseIfAttrs().

◆ DiagnoseFailedEnableIfAttr()

void DiagnoseFailedEnableIfAttr	(	Sema &	S,
		OverloadCandidate *	Cand )

static

Definition at line 12496 of file SemaOverload.cpp.

References clang::DeductionFailureInfo::Data, clang::OverloadCandidate::DeductionFailure, clang::SemaBase::Diag(), and clang::OverloadCandidate::Function.

Referenced by NoteFunctionCandidate().

◆ DiagnoseFailedExplicitSpec()

void DiagnoseFailedExplicitSpec	(	Sema &	S,
		OverloadCandidate *	Cand )

static

Definition at line 12506 of file SemaOverload.cpp.

References clang::SemaBase::Diag(), clang::First, clang::OverloadCandidate::Function, clang::ExplicitSpecifier::getExpr(), clang::ExplicitSpecifier::getFromDecl(), clang::Stmt::getSourceRange(), and clang::ExplicitSpecifier::isExplicit().

Referenced by NoteFunctionCandidate().

◆ diagnoseNoViableConversion()

bool diagnoseNoViableConversion	(	Sema &	SemaRef,
		SourceLocation	Loc,
		Expr *&	From,
		Sema::ContextualImplicitConverter &	Converter,
		QualType	T,
		bool	HadMultipleCandidates,
		UnresolvedSetImpl &	ExplicitConversions )

static

Definition at line 6669 of file SemaOverload.cpp.

References clang::Sema::BuildCXXMemberCallExpr(), clang::cast(), clang::Sema::CheckMemberOperatorAccess(), clang::FixItHint::CreateInsertion(), clang::Sema::CreateRecoveryExpr(), clang::Sema::ContextualImplicitConverter::diagnoseExplicitConv(), clang::Found, clang::QualType::getAsStringInternal(), clang::Stmt::getBeginLoc(), clang::CXXConversionDecl::getConversionType(), clang::Stmt::getEndLoc(), clang::Expr::getExprLoc(), clang::Sema::getLocForEndOfToken(), clang::QualType::getNonReferenceType(), clang::Sema::getPrintingPolicy(), clang::Expr::getType(), clang::Sema::isSFINAEContext(), clang::Sema::ContextualImplicitConverter::noteExplicitConv(), clang::UnresolvedSetImpl::size(), clang::Sema::ContextualImplicitConverter::Suppress, and clang::T.

Referenced by clang::Sema::PerformContextualImplicitConversion().

◆ DiagnoseTwoPhaseLookup()

bool DiagnoseTwoPhaseLookup	(	Sema &	SemaRef,
		SourceLocation	FnLoc,
		const CXXScopeSpec &	SS,
		LookupResult &	R,
		OverloadCandidateSet::CandidateSetKind	CSK,
		TemplateArgumentListInfo *	ExplicitTemplateArgs,
		ArrayRef< Expr * >	Args,
		CXXRecordDecl **	FoundInClass = nullptr )

static

Attempt to recover from an ill-formed use of a non-dependent name in a template, where the non-dependent name was declared after the template was defined.

This is common in code written for a compilers which do not correctly implement two-stage name lookup.

Returns true if a viable candidate was found and a diagnostic was issued.

Definition at line 14298 of file SemaOverload.cpp.

References clang::LookupResult::addDecl(), clang::Sema::AddOverloadedCallCandidates(), clang::OverloadCandidateSet::BestViableFunction(), canBeDeclaredInNamespace(), clang::LookupResult::clear(), clang::Sema::CurContext, clang::SemaBase::Diag(), clang::LookupResult::empty(), clang::DeclContext::Encloses(), clang::OverloadCandidateSet::end(), clang::Sema::FindAssociatedClassesAndNamespaces(), clang::LookupResult::getLookupName(), clang::LookupResult::getNameLoc(), clang::DeclContext::getParent(), clang::NamedDecl::getQualifiedNameAsString(), clang::Sema::getStdNamespace(), clang::Sema::inTemplateInstantiation(), clang::CXXScopeSpec::isEmpty(), clang::Sema::LookupQualifiedName(), clang::OR_Success, clang::LookupResult::resolveKind(), and clang::LookupResult::suppressDiagnostics().

Referenced by BuildRecoveryCallExpr(), and DiagnoseTwoPhaseOperatorLookup().

◆ DiagnoseTwoPhaseOperatorLookup()

bool DiagnoseTwoPhaseOperatorLookup	(	Sema &	SemaRef,
		OverloadedOperatorKind	Op,
		SourceLocation	OpLoc,
		ArrayRef< Expr * >	Args )

static

Attempt to recover from ill-formed use of a non-dependent operator in a template, where the non-dependent operator was declared after the template was defined.

Returns true if a viable candidate was found and a diagnostic was issued.

Definition at line 14407 of file SemaOverload.cpp.

References clang::Sema::Context, clang::OverloadCandidateSet::CSK_Operator, clang::ASTContext::DeclarationNames, DiagnoseTwoPhaseLookup(), clang::DeclarationNameTable::getCXXOperatorName(), and clang::Sema::LookupOperatorName.

Referenced by clang::Sema::CreateOverloadedBinOp(), and clang::Sema::CreateOverloadedUnaryOp().

◆ dropPointerConversion()

void dropPointerConversion ( StandardConversionSequence & SCS )

static

dropPointerConversions - If the given standard conversion sequence involves any pointer conversions, remove them.

This may change the result type of the conversion sequence.

Definition at line 6529 of file SemaOverload.cpp.

References clang::StandardConversionSequence::Dimension, clang::ICK_Identity, clang::ICK_Pointer_Conversion, clang::StandardConversionSequence::Second, clang::StandardConversionSequence::Third, and clang::StandardConversionSequence::ToTypePtrs.

Referenced by TryContextuallyConvertToObjCPointer().

◆ FindConversionForRefInit()

bool FindConversionForRefInit	(	Sema &	S,
		ImplicitConversionSequence &	ICS,
		QualType	DeclType,
		SourceLocation	DeclLoc,
		Expr *	Init,
		QualType	T2,
		bool	AllowRvalues,
		bool	AllowExplicit )

static

Look for a user-defined conversion to a value reference-compatible with DeclType.

Return true if something definite is found.

Definition at line 5145 of file SemaOverload.cpp.

Referenced by TryReferenceInit().

◆ finishContextualImplicitConversion()

ExprResult finishContextualImplicitConversion	(	Sema &	SemaRef,
		SourceLocation	Loc,
		Expr *	From,
		Sema::ContextualImplicitConverter &	Converter )

static

Definition at line 6742 of file SemaOverload.cpp.

References clang::Sema::DefaultLvalueConversion(), clang::Sema::ContextualImplicitConverter::diagnoseNoMatch(), clang::Stmt::getSourceRange(), clang::Expr::getType(), clang::Sema::ContextualImplicitConverter::match(), and clang::Sema::ContextualImplicitConverter::Suppress.

Referenced by clang::Sema::PerformContextualImplicitConversion().

◆ FinishOverloadedCallExpr()

ExprResult FinishOverloadedCallExpr	(	Sema &	SemaRef,
		Scope *	S,
		Expr *	Fn,
		UnresolvedLookupExpr *	ULE,
		SourceLocation	LParenLoc,
		MultiExprArg	Args,
		SourceLocation	RParenLoc,
		Expr *	ExecConfig,
		OverloadCandidateSet *	CandidateSet,
		OverloadCandidateSet::iterator *	Best,
		OverloadingResult	OverloadResult,
		bool	AllowTypoCorrection )

static

FinishOverloadedCallExpr - given an OverloadCandidateSet, builds and returns the completed call expression.

If overload resolution fails, emits diagnostics and returns ExprError()

Definition at line 14643 of file SemaOverload.cpp.

References BuildRecoveryCallExpr(), clang::Sema::BuildResolvedCallExpr(), clang::Sema::checkAddressOfFunctionIsAvailable(), clang::Sema::CheckUnresolvedLookupAccess(), chooseRecoveryType(), clang::Sema::CreateRecoveryExpr(), clang::OverloadCandidateSet::CSK_AddressOfOverloadSet, clang::Sema::DiagnoseUseOfDecl(), clang::Sema::DiagnoseUseOfDeletedFunction(), clang::OverloadCandidateSet::empty(), clang::OverloadCandidateSet::end(), clang::ExprError(), clang::Sema::FixOverloadedFunctionReference(), clang::ActionResult< PtrTy, Compress >::get(), clang::OverloadCandidateSet::getKind(), clang::OverloadExpr::getName(), clang::OverloadExpr::getNameLoc(), clang::CXXMethodDecl::isImplicitObjectMemberFunction(), clang::ActionResult< PtrTy, Compress >::isInvalid(), clang::ActionResult< PtrTy, Compress >::isUsable(), clang::OverloadCandidateSet::NoteCandidates(), clang::OCD_AllCandidates, clang::OCD_AmbiguousCandidates, clang::OR_Ambiguous, clang::OR_Deleted, clang::OR_No_Viable_Function, clang::OR_Success, and clang::SemaBase::PDiag().

Referenced by clang::Sema::BuildForRangeBeginEndCall(), and clang::Sema::BuildOverloadedCallExpr().

◆ forAllQualifierCombinations()

void forAllQualifierCombinations	(	QualifiersAndAtomic	Quals,
		llvm::function_ref< void(QualifiersAndAtomic)>	Callback )

static

Definition at line 9215 of file SemaOverload.cpp.

References forAllQualifierCombinationsImpl().

◆ forAllQualifierCombinationsImpl()

void forAllQualifierCombinationsImpl	(	QualifiersAndAtomic	Available,
		QualifiersAndAtomic	Applied,
		llvm::function_ref< void(QualifiersAndAtomic)>	Callback )

static

Definition at line 9191 of file SemaOverload.cpp.

References forAllQualifierCombinationsImpl(), clang::QualifiersAndAtomic::hasVolatile(), clang::QualifiersAndAtomic::withAtomic(), and clang::QualifiersAndAtomic::withVolatile().

Referenced by forAllQualifierCombinations(), and forAllQualifierCombinationsImpl().

◆ functionHasPassObjectSizeParams()

bool functionHasPassObjectSizeParams ( const FunctionDecl * FD )

static

Definition at line 55 of file SemaOverload.cpp.

References clang::FunctionDecl::parameters().

Referenced by clang::isBetterOverloadCandidate(), and IsOverloadOrOverrideImpl().

◆ FunctionsCorrespond()

bool FunctionsCorrespond	(	ASTContext &	Ctx,
		const FunctionDecl *	X,
		const FunctionDecl *	Y )

static

Definition at line 1020 of file SemaOverload.cpp.

References clang::FunctionDecl::getDescribedFunctionTemplate(), clang::FunctionDecl::getNumParams(), clang::FunctionDecl::getParamDecl(), clang::ValueDecl::getType(), clang::ASTContext::hasSameUnqualifiedType(), clang::ASTContext::isSameTemplateParameterList(), and X.

Referenced by shouldAddReversedEqEq().

◆ getConversionOpReturnTyAsFunction()

const FunctionType * getConversionOpReturnTyAsFunction ( CXXConversionDecl * Conv )

static

Definition at line 4207 of file SemaOverload.cpp.

References clang::Type::castAs(), clang::Type::getAs(), clang::PointerType::getPointeeType(), clang::FunctionType::getReturnType(), and clang::ValueDecl::getType().

Referenced by compareConversionFunctions().

◆ getDescribedTemplate()

TemplateDecl * getDescribedTemplate ( Decl * Templated )

static

Definition at line 12128 of file SemaOverload.cpp.

References clang::Decl::getDescribedTemplate().

Referenced by DiagnoseBadDeduction().

◆ GetExplicitObjectExpr()

Expr * GetExplicitObjectExpr	(	Sema &	S,
		Expr *	Obj,
		const FunctionDecl *	Fun )

static

Definition at line 6607 of file SemaOverload.cpp.

References clang::UnaryOperator::Create(), clang::Sema::getASTContext(), clang::Type::getPointeeType(), clang::Expr::getType(), clang::Type::isPointerType(), clang::OK_Ordinary, and clang::VK_LValue.

Referenced by clang::Sema::InitializeExplicitObjectArgument(), and PrepareExplicitObjectArgument().

◆ GetExplicitObjectType()

QualType GetExplicitObjectType	(	Sema &	S,
		const Expr *	MemExprE )

static

Definition at line 6587 of file SemaOverload.cpp.

References clang::Sema::getCurrentThisType(), clang::isa(), and clang::T.

Referenced by clang::Sema::BuildCallToMemberFunction().

◆ getFixedEnumPromtion()

FixedEnumPromotion getFixedEnumPromtion	(	Sema &	S,
		const StandardConversionSequence &	SCS )

static

Returns kind of fixed enum promotion the SCS uses.

Definition at line 4506 of file SemaOverload.cpp.

References clang::Sema::Context, clang::Enum, clang::Type::getAsEnumDecl(), clang::StandardConversionSequence::getFromType(), clang::StandardConversionSequence::getToType(), clang::ASTContext::hasSameType(), clang::ICK_Integral_Promotion, None, clang::StandardConversionSequence::Second, ToPromotedUnderlyingType, and ToUnderlyingType.

Referenced by CompareStandardConversionSequences().

◆ GetImplicitConversionName()

const char * GetImplicitConversionName ( ImplicitConversionKind Kind )

static

GetImplicitConversionName - Return the name of this kind of implicit conversion.

Definition at line 193 of file SemaOverload.cpp.

References clang::ICK_Num_Conversion_Kinds, and int.

Referenced by clang::StandardConversionSequence::dump().

◆ getImplicitObjectParamType()

std::optional< QualType > getImplicitObjectParamType	(	ASTContext &	Context,
		const FunctionDecl *	F )

static

Compute the type of the implicit object parameter for the given function, if any.

Returns std::nullopt if there is no implicit object parameter, and a null QualType if there is a 'matches anything' implicit object parameter.

Definition at line 10604 of file SemaOverload.cpp.

References clang::cast(), and clang::isa().

Referenced by allowAmbiguity().

◆ GetLocationForCandidate() [1/2]

SourceLocation GetLocationForCandidate ( const OverloadCandidate * Cand )

static

Definition at line 12815 of file SemaOverload.cpp.

References clang::OverloadCandidate::Function, clang::Decl::getLocation(), clang::OverloadCandidate::IsSurrogate, and clang::OverloadCandidate::Surrogate.

◆ GetLocationForCandidate() [2/2]

SourceLocation GetLocationForCandidate ( const TemplateSpecCandidate * Cand )

static

Definition at line 13285 of file SemaOverload.cpp.

References clang::Decl::getLocation(), and clang::TemplateSpecCandidate::Specialization.

◆ getMorePartialOrderingConstrained()

FunctionDecl * getMorePartialOrderingConstrained	(	Sema &	S,
		FunctionDecl *	Fn1,
		FunctionDecl *	Fn2,
		bool	IsFn1Reversed,
		bool	IsFn2Reversed )

static

Definition at line 10694 of file SemaOverload.cpp.

References clang::Sema::getMoreConstrainedFunction(), clang::FunctionDecl::getPrimaryTemplate(), and sameFunctionParameterTypeLists().

Referenced by clang::isBetterOverloadCandidate(), and clang::Sema::resolveAddressOfSingleOverloadCandidate().

◆ hasDependentExplicit()

bool hasDependentExplicit ( FunctionTemplateDecl * FTD )

static

Definition at line 7977 of file SemaOverload.cpp.

References clang::ExplicitSpecifier::getFromDecl(), clang::ExplicitSpecifier::getKind(), clang::FunctionTemplateDecl::getTemplatedDecl(), and clang::Unresolved.

Referenced by clang::Sema::AddTemplateOverloadCandidate().

◆ hasDeprecatedStringLiteralToCharPtrConversion()

bool hasDeprecatedStringLiteralToCharPtrConversion ( const ImplicitConversionSequence & ICS )

static

Definition at line 4281 of file SemaOverload.cpp.

References clang::UserDefinedConversionSequence::Before, clang::StandardConversionSequence::DeprecatedStringLiteralToCharPtr, clang::ImplicitConversionSequence::isStandard(), clang::ImplicitConversionSequence::isUserDefined(), clang::ImplicitConversionSequence::Standard, and clang::ImplicitConversionSequence::UserDefined.

Referenced by CompareImplicitConversionSequences(), and clang::isBetterOverloadCandidate().

◆ hasExplicitAttr()

template<typename AttrT>

bool hasExplicitAttr ( const FunctionDecl * D )

static

Definition at line 1320 of file SemaOverload.cpp.

References clang::Decl::getAttr().

◆ IgnoreNarrowingConversion()

const Expr * IgnoreNarrowingConversion	(	ASTContext &	Ctx,
		const Expr *	Converted )

static

Skip any implicit casts which could be either part of a narrowing conversion or after one in an implicit conversion.

Definition at line 315 of file SemaOverload.cpp.

References clang::ExprWithCleanups::Create(), and IgnoreNarrowingConversion().

Referenced by clang::StandardConversionSequence::getNarrowingKind(), and IgnoreNarrowingConversion().

◆ IsAcceptableNonMemberOperatorCandidate()

bool IsAcceptableNonMemberOperatorCandidate	(	ASTContext &	Context,
		FunctionDecl *	Fn,
		ArrayRef< Expr * >	Args )

static

IsAcceptableNonMemberOperatorCandidate - Determine whether Fn is an acceptable non-member overloaded operator for a call whose arguments have types T1 (and, if non-empty, T2).

This routine implements the check in C++ [over.match.oper]p3b2 concerning enumeration types.

Definition at line 6984 of file SemaOverload.cpp.

References clang::Type::isDependentType(), clang::Type::isEnumeralType(), clang::QualType::isNull(), and clang::Type::isRecordType().

Referenced by clang::Sema::AddOverloadCandidate().

◆ isAllowableExplicitConversion()

bool isAllowableExplicitConversion	(	Sema &	S,
		QualType	ConvType,
		QualType	ToType,
		bool	AllowObjCPointerConversion )

static

Determine whether this is an allowable conversion from the result of an explicit conversion operator to the expected type, per C++ [over.match.conv]p1 and [over.match.ref]p1.

Parameters

ConvType	The return type of the conversion function.
ToType	The type we are converting to.
AllowObjCPointerConversion	Allow a conversion from one Objective-C pointer to another.

Returns: true if the conversion is allowable, false otherwise.

Definition at line 8240 of file SemaOverload.cpp.

References clang::Sema::Context, clang::QualType::getNonReferenceType(), clang::ASTContext::hasSameUnqualifiedType(), clang::Sema::isObjCPointerConversion(), and clang::Sema::IsQualificationConversion().

Referenced by clang::Sema::AddConversionCandidate().

◆ isBetterMultiversionCandidate()

Comparison isBetterMultiversionCandidate	(	const OverloadCandidate &	Cand1,
		const OverloadCandidate &	Cand2 )

static

Definition at line 10545 of file SemaOverload.cpp.

References clang::OverloadCandidate::Function, clang::Decl::getAttr(), clang::Decl::hasAttr(), clang::Decl::isInvalidDecl(), and clang::FunctionDecl::isMultiVersion().

Referenced by clang::isBetterOverloadCandidate().

◆ isBetterReferenceBindingKind()

bool isBetterReferenceBindingKind	(	const StandardConversionSequence &	SCS1,
		const StandardConversionSequence &	SCS2 )

static

Determine whether one of the given reference bindings is better than the other based on what kind of bindings they are.

Definition at line 4473 of file SemaOverload.cpp.

References clang::StandardConversionSequence::BindsImplicitObjectArgumentWithoutRefQualifier, clang::StandardConversionSequence::BindsToFunctionLvalue, clang::StandardConversionSequence::BindsToRvalue, and clang::StandardConversionSequence::IsLvalueReference.

Referenced by CompareStandardConversionSequences().

◆ isFirstArgumentCompatibleWithType()

bool isFirstArgumentCompatibleWithType	(	ASTContext &	Context,
		CXXConstructorDecl *	Constructor,
		QualType	Type )

static

Definition at line 3871 of file SemaOverload.cpp.

References clang::Constructor, and clang::QualType::getNonReferenceType().

Referenced by IsUserDefinedConversion().

◆ IsFloatingPointConversion()

bool IsFloatingPointConversion	(	Sema &	S,
		QualType	FromType,
		QualType	ToType )

static

Determine whether the conversion from FromType to ToType is a valid floating point conversion.

Definition at line 2043 of file SemaOverload.cpp.

References clang::Sema::Context, clang::ASTContext::getFloatTypeSemantics(), clang::Type::isBFloat16Type(), clang::Type::isFloat16Type(), clang::Type::isHalfType(), and clang::Type::isRealFloatingType().

Referenced by IsStandardConversion(), and IsVectorElementConversion().

◆ isFunctionAlwaysEnabled()

bool isFunctionAlwaysEnabled	(	const ASTContext &	Ctx,
		const FunctionDecl *	FD )

static

Definition at line 11537 of file SemaOverload.cpp.

References clang::Decl::specific_attrs().

Referenced by checkAddressOfFunctionIsAvailable().

◆ IsInitializerListConstructorConversion()

OverloadingResult IsInitializerListConstructorConversion	(	Sema &	S,
		Expr *	From,
		QualType	ToType,
		CXXRecordDecl *	To,
		UserDefinedConversionSequence &	User,
		OverloadCandidateSet &	CandidateSet,
		bool	AllowExplicit )

static

Definition at line 3884 of file SemaOverload.cpp.

References clang::Sema::AddOverloadCandidate(), clang::Sema::AddTemplateOverloadCandidate(), clang::UserDefinedConversionSequence::After, clang::UserDefinedConversionSequence::Before, clang::OverloadCandidateSet::BestViableFunction(), clang::cast(), clang::OverloadCandidateSet::clear(), clang::Constructor, clang::UserDefinedConversionSequence::ConversionFunction, clang::OverloadCandidateSet::CSK_InitByUserDefinedConversion, clang::UserDefinedConversionSequence::FoundConversionFunction, clang::Stmt::getBeginLoc(), clang::getConstructorInfo(), clang::UserDefinedConversionSequence::HadMultipleCandidates, clang::Sema::isInitListConstructor(), clang::Sema::LookupConstructors(), clang::OR_Ambiguous, clang::OR_Deleted, clang::OR_No_Viable_Function, clang::OR_Success, clang::StandardConversionSequence::setAllToTypes(), clang::StandardConversionSequence::setAsIdentityConversion(), clang::StandardConversionSequence::setFromType(), and clang::OverloadCandidateSet::size().

Referenced by IsUserDefinedConversion().

◆ isNonDependentlyExplicit()

bool isNonDependentlyExplicit ( FunctionTemplateDecl * FTD )

static

Determine whether a given function template has a simple explicit specifier or a non-value-dependent explicit-specification that evaluates to true.

Definition at line 7973 of file SemaOverload.cpp.

References clang::ExplicitSpecifier::getFromDecl(), clang::FunctionTemplateDecl::getTemplatedDecl(), and clang::ExplicitSpecifier::isExplicit().

Referenced by AddTemplateConversionCandidateImmediately(), and AddTemplateOverloadCandidateImmediately().

◆ isNonTrivialObjCLifetimeConversion()

bool isNonTrivialObjCLifetimeConversion	(	Qualifiers	FromQuals,
		Qualifiers	ToQuals )

static

Determine whether the lifetime conversion between the two given qualifiers sets is nontrivial.

Definition at line 3714 of file SemaOverload.cpp.

References clang::Qualifiers::getObjCLifetime(), clang::Qualifiers::hasConst(), and clang::Qualifiers::OCL_ExplicitNone.

Referenced by isQualificationConversionStep().

◆ isNonViableMultiVersionOverload()

bool isNonViableMultiVersionOverload ( FunctionDecl * FD )

static

Definition at line 7018 of file SemaOverload.cpp.

References clang::ASTContext::forEachMultiversionedFunctionVersion(), clang::Decl::getASTContext(), clang::ASTContext::getTargetInfo(), clang::TargetInfo::getTriple(), clang::FunctionDecl::isMultiVersion(), clang::FunctionDecl::isTargetMultiVersion(), and clang::FunctionDecl::isTargetMultiVersionDefault().

Referenced by clang::Sema::AddConversionCandidate(), clang::Sema::AddMethodCandidate(), and clang::Sema::AddOverloadCandidate().

◆ isNullPointerConstantForConversion()

bool isNullPointerConstantForConversion	(	Expr *	Expr,
		bool	InOverloadResolution,
		ASTContext &	Context )

static

Definition at line 2888 of file SemaOverload.cpp.

References clang::Expr::getType(), clang::Type::isEnumeralType(), clang::Type::isIntegerType(), clang::Expr::isNullPointerConstant(), clang::Expr::isTypeDependent(), clang::Expr::isValueDependent(), clang::Expr::NPC_ValueDependentIsNotNull, and clang::Expr::NPC_ValueDependentIsNull.

Referenced by clang::Sema::IsPointerConversion().

◆ IsOverloadOrOverrideImpl()

bool IsOverloadOrOverrideImpl	(	Sema &	SemaRef,
		FunctionDecl *	New,
		FunctionDecl *	Old,
		bool	UseMemberUsingDeclRules,
		bool	ConsiderCudaAttrs,
		bool	UseOverrideRules = false )

static

Definition at line 1327 of file SemaOverload.cpp.

References clang::Sema::AreConstraintExpressionsEqual(), clang::AssociatedConstraint::ArgPackSubstIndex, clang::cast(), clang::AssociatedConstraint::ConstraintExpr, clang::Sema::Context, clang::Sema::CUDA(), clang::SemaBase::Diag(), functionHasPassObjectSizeParams(), clang::Sema::FunctionParamTypesAreEqual(), clang::ASTContext::getCanonicalTagType(), clang::ASTContext::getCanonicalType(), clang::FunctionDecl::getDeclaredReturnType(), clang::FunctionDecl::getDescribedFunctionTemplate(), clang::CXXMethodDecl::getFunctionObjectParameterReferenceType(), clang::Sema::getLangOpts(), clang::Decl::getLexicalDeclContext(), clang::TemplateDecl::getTemplateParameters(), clang::DeclaratorDecl::getTrailingRequiresClause(), clang::ValueDecl::getType(), clang::CanQual< T >::getTypePtr(), clang::QualType::getTypePtr(), clang::TemplateParameterList::hasAssociatedConstraints(), hasExplicitAttr(), clang::ASTContext::hasSameType(), clang::SemaCUDA::IdentifyTarget(), clang::InvalidTarget, clang::isa(), clang::FunctionDecl::isConsteval(), clang::FunctionDecl::isConstexpr(), clang::CXXMethodDecl::isExplicitObjectMemberFunction(), clang::FunctionDecl::isMemberLikeConstrainedFriend(), clang::Sema::LangOpts, New, clang::SplitQualType::Quals, clang::Qualifiers::removeVolatile(), clang::RQ_None, clang::Decl::specific_attr_begin(), clang::Decl::specific_attr_end(), clang::Sema::TemplateParameterListsAreEqual(), clang::Sema::TPL_TemplateMatch, clang::TSK_ExplicitSpecialization, and clang::SplitQualType::Ty.

Referenced by clang::Sema::IsOverload(), and clang::Sema::IsOverride().

◆ isQualificationConversionStep()

bool isQualificationConversionStep	(	QualType	FromType,
		QualType	ToType,
		bool	CStyle,
		bool	IsTopLevel,
		bool &	PreviousToQualsIncludeConst,
		bool &	ObjCLifetimeConversion,
		const ASTContext &	Ctx )

static

Perform a single iteration of the loop for checking if a qualification conversion is valid.

Specifically, check whether any change between the qualifiers of FromType and ToType is permissible, given knowledge about whether every outer layer is const-qualified.

Definition at line 3730 of file SemaOverload.cpp.

Referenced by clang::Sema::CompareReferenceRelationship(), and clang::Sema::IsQualificationConversion().

◆ IsStandardConversion()

bool IsStandardConversion	(	Sema &	S,
		Expr *	From,
		QualType	ToType,
		bool	InOverloadResolution,
		StandardConversionSequence &	SCS,
		bool	CStyle,
		bool	AllowObjCWritebackConversion )

static

IsStandardConversion - Determines whether there is a standard conversion sequence (C++ [conv], C++ [over.ics.scs]) from the expression From to the type ToType.

Standard conversion sequences only consider non-class types; for conversions that involve class types, use TryImplicitConversion. If a conversion exists, SCS will contain the standard conversion sequence required to perform this conversion and this routine will return true. Otherwise, this routine will return false and the value of SCS is unspecified.

Definition at line 2239 of file SemaOverload.cpp.

Referenced by IsTransparentUnionStandardConversion(), tryAtomicConversion(), and TryImplicitConversion().

◆ IsTransparentUnionStandardConversion()

bool IsTransparentUnionStandardConversion	(	Sema &	S,
		Expr *	From,
		QualType &	ToType,
		bool	InOverloadResolution,
		StandardConversionSequence &	SCS,
		bool	CStyle )

static

Definition at line 2599 of file SemaOverload.cpp.

References clang::RecordDecl::fields(), clang::Type::getAsUnionType(), clang::Expr::getType(), clang::Decl::hasAttr(), and IsStandardConversion().

Referenced by IsStandardConversion().

◆ IsUserDefinedConversion()

OverloadingResult IsUserDefinedConversion	(	Sema &	S,
		Expr *	From,
		QualType	ToType,
		UserDefinedConversionSequence &	User,
		OverloadCandidateSet &	CandidateSet,
		AllowedExplicit	AllowExplicit,
		bool	AllowObjCConversionOnExplicit )

static

Determines whether there is a user-defined conversion sequence (C++ [over.ics.user]) that converts expression From to the type ToType.

If such a conversion exists, User will contain the user-defined conversion sequence that performs such a conversion and this routine will return true. Otherwise, this routine returns false and User is unspecified.

Parameters

AllowExplicit	true if the conversion should consider C++0x "explicit" conversion functions as well as non-explicit conversion functions (C++0x [class.conv.fct]p2).
AllowObjCConversionOnExplicit	true if the conversion should allow an extra Objective-C pointer conversion on uses of explicit constructors. Requires `AllowExplicit` to also be set.

Definition at line 3957 of file SemaOverload.cpp.

References clang::Sema::AddConversionCandidate(), clang::Sema::AddOverloadCandidate(), clang::Sema::AddTemplateConversionCandidate(), clang::Sema::AddTemplateOverloadCandidate(), clang::UserDefinedConversionSequence::After, clang::UserDefinedConversionSequence::Before, clang::OverloadCandidateSet::BestViableFunction(), clang::cast(), clang::OverloadCandidateSet::clear(), clang::Constructor, clang::Sema::Context, clang::UserDefinedConversionSequence::ConversionFunction, clang::OverloadCandidateSet::CSK_InitByUserDefinedConversion, clang::UserDefinedConversionSequence::EllipsisConversion, clang::UserDefinedConversionSequence::FoundConversionFunction, clang::StandardConversionSequence::FromBracedInitList, clang::Type::getAsCanonical(), clang::Stmt::getBeginLoc(), clang::getConstructorInfo(), clang::DeclAccessPair::getDecl(), clang::Decl::getDeclContext(), clang::Expr::getExprLoc(), clang::FunctionTemplateDecl::getTemplatedDecl(), clang::Expr::getType(), clang::UserDefinedConversionSequence::HadMultipleCandidates, clang::ASTContext::hasSameUnqualifiedType(), clang::isa(), clang::Sema::isCompleteType(), clang::Sema::IsDerivedFrom(), isFirstArgumentCompatibleWithType(), IsInitializerListConstructorConversion(), clang::Type::isRecordType(), clang::Sema::LookupConstructors(), clang::OR_Ambiguous, clang::OR_Deleted, clang::OR_No_Viable_Function, clang::OR_Success, clang::StandardConversionSequence::setAllToTypes(), clang::StandardConversionSequence::setAsIdentityConversion(), clang::StandardConversionSequence::setFromType(), and clang::OverloadCandidateSet::size().

Referenced by clang::Sema::DiagnoseMultipleUserDefinedConversion(), and TryUserDefinedConversion().

◆ IsVectorConversion()

bool IsVectorConversion	(	Sema &	S,
		QualType	FromType,
		QualType	ToType,
		ImplicitConversionKind &	ICK,
		ImplicitConversionKind &	ElConv,
		Expr *	From,
		bool	InOverloadResolution,
		bool	CStyle )

static

Determine whether the conversion from FromType to ToType is a valid vector conversion.

Parameters

ICK	Will be set to the vector conversion kind, if this is a vector conversion.

Definition at line 2117 of file SemaOverload.cpp.

References clang::Sema::anyAltivecTypes(), clang::ASTContext::areCompatibleRVVTypes(), clang::SemaARM::areCompatibleSveTypes(), clang::ASTContext::areCompatibleVectorTypes(), clang::ASTContext::areLaxCompatibleRVVTypes(), clang::SemaARM::areLaxCompatibleSveTypes(), clang::Sema::ARM(), clang::Sema::Context, clang::SemaBase::Diag(), clang::Type::getAs(), clang::Sema::getASTContext(), clang::Stmt::getBeginLoc(), clang::VectorType::getElementType(), clang::Sema::getLangOpts(), clang::VectorType::getNumElements(), clang::ASTContext::getTargetInfo(), clang::TargetInfo::getTriple(), clang::Type::hasAttr(), clang::ASTContext::hasSameUnqualifiedType(), clang::ICK_HLSL_Vector_Splat, clang::ICK_HLSL_Vector_Truncation, clang::ICK_Identity, clang::ICK_RVV_Vector_Conversion, clang::ICK_SVE_Vector_Conversion, clang::ICK_Vector_Conversion, clang::ICK_Vector_Splat, clang::Type::isArithmeticType(), clang::Sema::isLaxVectorConversion(), clang::Type::isRVVSizelessBuiltinType(), clang::Type::isSVESizelessBuiltinType(), IsVectorElementConversion(), and clang::Type::isVectorType().

Referenced by IsStandardConversion().

◆ IsVectorElementConversion()

bool IsVectorElementConversion	(	Sema &	S,
		QualType	FromType,
		QualType	ToType,
		ImplicitConversionKind &	ICK,
		Expr *	From )

static

Definition at line 2070 of file SemaOverload.cpp.

References clang::Sema::Context, clang::ASTContext::hasSameUnqualifiedType(), clang::ICK_Boolean_Conversion, clang::ICK_Floating_Conversion, clang::ICK_Floating_Integral, clang::ICK_Floating_Promotion, clang::ICK_Integral_Conversion, clang::ICK_Integral_Promotion, clang::Type::isArithmeticType(), clang::Type::isBooleanType(), IsFloatingPointConversion(), clang::Sema::IsFloatingPointPromotion(), clang::Type::isIntegralOrUnscopedEnumerationType(), clang::Sema::IsIntegralPromotion(), clang::Type::isIntegralType(), and clang::Type::isRealFloatingType().

Referenced by IsVectorConversion().

◆ makeQualifiedLValueReferenceType()

QualType makeQualifiedLValueReferenceType	(	QualType	Base,
		QualifiersAndAtomic	Quals,
		Sema &	S )

static

Definition at line 9222 of file SemaOverload.cpp.

References clang::Sema::Context, clang::ASTContext::getAtomicType(), clang::ASTContext::getLValueReferenceType(), clang::ASTContext::getVolatileType(), clang::QualifiersAndAtomic::hasAtomic(), and clang::QualifiersAndAtomic::hasVolatile().

◆ markUnaddressableCandidatesUnviable()

void markUnaddressableCandidatesUnviable	(	Sema &	S,
		OverloadCandidateSet &	CS )

static

Definition at line 14752 of file SemaOverload.cpp.

References clang::OverloadCandidateSet::begin(), clang::Sema::checkAddressOfFunctionIsAvailable(), clang::OverloadCandidateSet::end(), and clang::ovl_fail_addr_not_available.

Referenced by clang::Sema::BuildOverloadedCallExpr().

◆ MaybeDiagnoseAmbiguousConstraints()

void MaybeDiagnoseAmbiguousConstraints	(	Sema &	S,
		ArrayRef< OverloadCandidate >	Cands )

static

Definition at line 11683 of file SemaOverload.cpp.

References clang::Sema::MaybeEmitAmbiguousAtomicConstraintsDiagnostic(), and clang::Template.

Referenced by clang::OverloadCandidateSet::NoteCandidates().

◆ NoteAmbiguousUserConversions()

void NoteAmbiguousUserConversions	(	Sema &	S,
		SourceLocation	OpLoc,
		OverloadCandidate *	Cand )

static

Definition at line 12804 of file SemaOverload.cpp.

References clang::OverloadCandidate::Conversions, clang::ImplicitConversionSequence::DiagnoseAmbiguousConversion(), clang::ImplicitConversionSequence::isAmbiguous(), clang::ImplicitConversionSequence::isBad(), and clang::SemaBase::PDiag().

Referenced by clang::OverloadCandidateSet::NoteCandidates().

◆ NoteBuiltinOperatorCandidate()

void NoteBuiltinOperatorCandidate	(	Sema &	S,
		StringRef	Opc,
		SourceLocation	OpLoc,
		OverloadCandidate *	Cand )

static

Definition at line 12785 of file SemaOverload.cpp.

References clang::OverloadCandidate::BuiltinParamTypes, clang::OverloadCandidate::Conversions, clang::SemaBase::Diag(), and clang::QualType::getAsString().

Referenced by clang::OverloadCandidateSet::NoteCandidates().

◆ NoteFunctionCandidate()

void NoteFunctionCandidate	(	Sema &	S,
		OverloadCandidate *	Cand,
		unsigned	NumArgs,
		bool	TakingCandidateAddress,
		LangAS	CtorDestAS = LangAS::Default )

static

Generates a 'note' diagnostic for an overload candidate.

We've already generated a primary error at the call site.

It really does need to be a single diagnostic with its caret pointed at the candidate declaration. Yes, this creates some major challenges of technical writing. Yes, this makes pointing out problems with specific arguments quite awkward. It's still better than generating twenty screens of text for every failed overload.

It would be great to be able to express per-candidate problems more richly for those diagnostic clients that cared, but we'd still have to be just as careful with the default diagnostics.

Parameters

CtorDestAS Addr space of object being constructed (for ctor candidates only).

Definition at line 12596 of file SemaOverload.cpp.

Referenced by clang::OverloadCandidateSet::NoteCandidates().

◆ NoteImplicitDeductionGuide()

void NoteImplicitDeductionGuide	(	Sema &	S,
		FunctionDecl *	Fn )

static

Definition at line 12541 of file SemaOverload.cpp.

References clang::SemaBase::Diag(), clang::DeclarationName::getCXXDeductionGuideTemplate(), clang::NamedDecl::getDeclName(), clang::FunctionDecl::getDescribedFunctionTemplate(), clang::FunctionDecl::getTemplateInstantiationPattern(), clang::TemplateDecl::isTypeAlias(), and clang::Template.

Referenced by NoteFunctionCandidate().

◆ NoteSurrogateCandidate()

void NoteSurrogateCandidate	(	Sema &	S,
		OverloadCandidate *	Cand )

static

Definition at line 12740 of file SemaOverload.cpp.

References clang::Sema::CheckFunctionConstraints(), clang::Sema::Context, clang::SemaBase::Diag(), clang::Sema::DiagnoseUnsatisfiedConstraint(), clang::OverloadCandidate::FailureKind, clang::Type::getAs(), clang::CXXConversionDecl::getConversionType(), clang::Decl::getLocation(), clang::ASTContext::getLValueReferenceType(), clang::Type::getPointeeType(), clang::ASTContext::getPointerType(), clang::ASTContext::getRValueReferenceType(), clang::ovl_fail_constraints_not_satisfied, shouldSkipNotingLambdaConversionDecl(), clang::OverloadCandidate::Surrogate, and clang::OverloadCandidate::Viable.

Referenced by clang::OverloadCandidateSet::NoteCandidates().

◆ PrepareArgumentsForCallToObjectOfClassType()

bool PrepareArgumentsForCallToObjectOfClassType	(	Sema &	S,
		SmallVectorImpl< Expr * > &	MethodArgs,
		CXXMethodDecl *	Method,
		MultiExprArg	Args,
		SourceLocation	LParenLoc )

static

Definition at line 15760 of file SemaOverload.cpp.

References clang::Sema::BuildCXXDefaultArgExpr(), clang::Sema::Context, clang::ActionResult< PtrTy, Compress >::getAs(), clang::FunctionProtoType::getNumParams(), clang::InitializedEntity::InitializeParameter(), clang::ActionResult< PtrTy, Compress >::isInvalid(), and clang::Sema::PerformCopyInitialization().

Referenced by clang::Sema::BuildCallToObjectOfClassType(), and clang::Sema::CreateOverloadedArraySubscriptExpr().

◆ PrepareExplicitObjectArgument()

bool PrepareExplicitObjectArgument	(	Sema &	S,
		CXXMethodDecl *	Method,
		Expr *	Object,
		MultiExprArg &	Args,
		SmallVectorImpl< Expr * > &	NewArgs )

static

Definition at line 6627 of file SemaOverload.cpp.

References clang::Sema::DiagnoseInvalidExplicitObjectParameterInLambda(), and GetExplicitObjectExpr().

Referenced by clang::Sema::BuildCallToMemberFunction(), and clang::Sema::BuildCallToObjectOfClassType().

◆ RankDeductionFailure()

◆ recordConversion()

bool recordConversion	(	Sema &	SemaRef,
		SourceLocation	Loc,
		Expr *&	From,
		Sema::ContextualImplicitConverter &	Converter,
		QualType	T,
		bool	HadMultipleCandidates,
		DeclAccessPair &	Found )

static

Definition at line 6713 of file SemaOverload.cpp.

References clang::Sema::BuildCXXMemberCallExpr(), clang::cast(), clang::Sema::CheckMemberOperatorAccess(), clang::Sema::Context, clang::ImplicitCastExpr::Create(), clang::Sema::CurFPFeatureOverrides(), clang::Sema::ContextualImplicitConverter::diagnoseConversion(), clang::Found, clang::CXXConversionDecl::getConversionType(), clang::Expr::getExprLoc(), clang::QualType::getNonReferenceType(), clang::Stmt::getSourceRange(), clang::Sema::isSFINAEContext(), clang::Sema::ContextualImplicitConverter::SuppressConversion, and clang::T.

Referenced by clang::Sema::PerformContextualImplicitConversion().

◆ sameFunctionParameterTypeLists()

bool sameFunctionParameterTypeLists	(	Sema &	S,
		FunctionDecl *	Fn1,
		FunctionDecl *	Fn2,
		bool	IsFn1Reversed,
		bool	IsFn2Reversed )

static

We're allowed to use constraints partial ordering only if the candidates have the same parameter types: [over.match.best.general]p2.6 F1 and F2 are non-template functions with the same non-object-parameter-type-lists, and F1 is more constrained than F2 [...].

Definition at line 10663 of file SemaOverload.cpp.

References clang::Sema::FunctionNonObjectParamTypesAreEqual(), clang::Sema::getASTContext(), clang::ASTContext::hasSameType(), and clang::FunctionDecl::isVariadic().

Referenced by getMorePartialOrderingConstrained().

◆ shouldAddReversedEqEq()

bool shouldAddReversedEqEq	(	Sema &	S,
		SourceLocation	OpLoc,
		Expr *	FirstOperand,
		FunctionDecl *	EqFD )

static

◆ shouldSkipNotingLambdaConversionDecl()

bool shouldSkipNotingLambdaConversionDecl ( const FunctionDecl * Fn )

static

Definition at line 11636 of file SemaOverload.cpp.

References clang::cast(), clang::Type::castAs(), clang::Type::getPointeeType(), and clang::ValueDecl::getType().

Referenced by NoteFunctionCandidate(), clang::Sema::NoteOverloadCandidate(), and NoteSurrogateCandidate().

◆ tryAtomicConversion()

bool tryAtomicConversion	(	Sema &	S,
		Expr *	From,
		QualType	ToType,
		bool	InOverloadResolution,
		StandardConversionSequence &	SCS,
		bool	CStyle )

static

Determine whether this is a conversion from a scalar type to an atomic type.

If successful, updates SCS's second and third steps in the conversion sequence to finish the conversion.

Definition at line 3848 of file SemaOverload.cpp.

References clang::Type::getAs(), clang::StandardConversionSequence::getToType(), clang::AtomicType::getValueType(), IsStandardConversion(), clang::StandardConversionSequence::QualificationIncludesObjCLifetime, clang::StandardConversionSequence::Second, clang::StandardConversionSequence::setToType(), and clang::StandardConversionSequence::Third.

Referenced by IsStandardConversion().

◆ TryContextuallyConvertToBool()

ImplicitConversionSequence TryContextuallyConvertToBool	(	Sema &	S,
		Expr *	From )

static

TryContextuallyConvertToBool - Attempt to contextually convert the expression From to bool (C++0x [conv]p3).

Definition at line 6157 of file SemaOverload.cpp.

References clang::ASTContext::BoolTy, clang::Sema::Context, clang::ImplicitConversionSequence::getNullptrToBool(), clang::Expr::getType(), clang::Expr::isGLValue(), clang::Type::isNullPtrType(), and TryImplicitConversion().

Referenced by clang::Sema::AddBuiltinCandidate(), BuildConvertedConstantExpression(), and clang::Sema::PerformContextuallyConvertToBool().

◆ TryContextuallyConvertToObjCPointer()

ImplicitConversionSequence TryContextuallyConvertToObjCPointer	(	Sema &	S,
		Expr *	From )

static

TryContextuallyConvertToObjCPointer - Attempt to contextually convert the expression From to an Objective-C pointer type.

Definition at line 6541 of file SemaOverload.cpp.

Referenced by clang::Sema::PerformContextuallyConvertToObjCPointer().

◆ TryCopyInitialization() [1/2]

bool TryCopyInitialization	(	const CanQualType	FromQTy,
		const CanQualType	ToQTy,
		Sema &	S,
		SourceLocation	Loc,
		ExprValueKind	FromVK )

static

Definition at line 5884 of file SemaOverload.cpp.

References clang::ImplicitConversionSequence::isBad(), and TryCopyInitialization().

◆ TryCopyInitialization() [2/2]

ImplicitConversionSequence TryCopyInitialization	(	Sema &	S,
		Expr *	From,
		QualType	ToType,
		bool	SuppressUserConversions,
		bool	InOverloadResolution,
		bool	AllowObjCWritebackConversion,
		bool	AllowExplicit )

static

TryCopyInitialization - Try to copy-initialize a value of type ToType from the expression From.

Return the implicit conversion sequence required to pass this argument, which may be a bad conversion sequence (meaning that the argument cannot be passed to a parameter of this type). If SuppressUserConversions, then we do not permit any user-defined conversion sequences.

Definition at line 5861 of file SemaOverload.cpp.

References clang::Stmt::getBeginLoc(), clang::Type::isReferenceType(), TryImplicitConversion(), TryListConversion(), and TryReferenceInit().

Referenced by clang::Sema::AddBuiltinCandidate(), clang::Sema::AddConversionCandidate(), clang::Sema::AddMethodCandidate(), clang::Sema::AddOverloadCandidate(), clang::Sema::AddSurrogateCandidate(), BuildConvertedConstantExpression(), clang::Sema::CheckNonDependentConversions(), CompleteNonViableCandidate(), clang::Sema::SelectBestMethod(), TryCopyInitialization(), TryListConversion(), and TryObjectArgumentInitialization().

◆ tryGetFunctionProtoType()

const FunctionProtoType * tryGetFunctionProtoType ( QualType FromType )

static

Attempts to get the FunctionProtoType from a Type.

Handles MemberFunctionPointers properly.

Definition at line 3326 of file SemaOverload.cpp.

References clang::Type::getAs(), and clang::Type::getPointeeType().

Referenced by clang::Sema::HandleFunctionTypeMismatch().

◆ TryImplicitConversion()

ImplicitConversionSequence TryImplicitConversion	(	Sema &	S,
		Expr *	From,
		QualType	ToType,
		bool	SuppressUserConversions,
		AllowedExplicit	AllowExplicit,
		bool	InOverloadResolution,
		bool	CStyle,
		bool	AllowObjCWritebackConversion,
		bool	AllowObjCConversionOnExplicit )

static

TryImplicitConversion - Attempt to perform an implicit conversion from the given expression (Expr) to the given type (ToType).

This function returns an implicit conversion sequence that can be used to perform the initialization. Given

void f(float f); void g(int i) { f(i); }

this routine would produce an implicit conversion sequence to describe the initialization of f from i, which will be a standard conversion sequence containing an lvalue-to-rvalue conversion (C++ 4.1) followed by a floating-integral conversion (C++ 4.9). Note that this routine only determines how the conversion can be performed; it does not actually perform the conversion. As such, it will not produce any diagnostics if no conversion is available, but will instead return an implicit conversion sequence of kind "BadConversion".

If SuppressUserConversions, then user-defined conversions are not permitted. If AllowExplicit, then explicit user-defined conversions are permitted.

Parameters

AllowObjCWritebackConversion Whether we allow the Objective-C writeback conversion, which allows __autoreleasing id* parameters to be initialized with __strong id* or __weak id* arguments.

Definition at line 1779 of file SemaOverload.cpp.

References clang::cast(), clang::Sema::Context, clang::StandardConversionSequence::CopyConstructor, clang::Stmt::getBeginLoc(), clang::Sema::getLangOpts(), clang::Expr::getType(), clang::ASTContext::hasSameUnqualifiedType(), clang::ICK_Derived_To_Base, clang::Sema::IsDerivedFrom(), clang::Type::isHLSLAttributedResourceType(), clang::Type::isRecordType(), IsStandardConversion(), clang::BadConversionSequence::no_conversion, clang::StandardConversionSequence::Second, clang::StandardConversionSequence::setAllToTypes(), clang::StandardConversionSequence::setAsIdentityConversion(), clang::ImplicitConversionSequence::setBad(), clang::StandardConversionSequence::setFromType(), clang::ImplicitConversionSequence::setStandard(), clang::ImplicitConversionSequence::Standard, and TryUserDefinedConversion().

Referenced by clang::Sema::PerformImplicitConversion(), TryContextuallyConvertToBool(), TryContextuallyConvertToObjCPointer(), TryCopyInitialization(), and TryReferenceInit().

◆ TryListConversion()

ImplicitConversionSequence TryListConversion	(	Sema &	S,
		InitListExpr *	From,
		QualType	ToType,
		bool	SuppressUserConversions,
		bool	InOverloadResolution,
		bool	AllowObjCWritebackConversion )

static

TryListConversion - Try to copy-initialize a value of type ToType from the initializer list From.

Definition at line 5540 of file SemaOverload.cpp.

Referenced by TryCopyInitialization(), and TryListConversion().

◆ TryObjectArgumentInitialization()

ImplicitConversionSequence TryObjectArgumentInitialization	(	Sema &	S,
		SourceLocation	Loc,
		QualType	FromType,
		Expr::Classification	FromClassification,
		CXXMethodDecl *	Method,
		const CXXRecordDecl *	ActingContext,
		bool	InOverloadResolution = false,
		QualType	ExplicitParameterType = QualType(),
		bool	SuppressUserConversion = false )

static

TryObjectArgumentInitialization - Try to initialize the object parameter of the given member function (Method) from the expression From.

Definition at line 5899 of file SemaOverload.cpp.

Referenced by clang::Sema::AddConversionCandidate(), clang::Sema::AddMethodCandidate(), clang::Sema::AddSurrogateCandidate(), clang::Sema::CheckNonDependentConversions(), and clang::Sema::PerformImplicitObjectArgumentInitialization().

◆ TryReferenceInit()

ImplicitConversionSequence TryReferenceInit	(	Sema &	S,
		Expr *	Init,
		QualType	DeclType,
		SourceLocation	DeclLoc,
		bool	SuppressUserConversions,
		bool	AllowExplicit )

static

Compute an implicit conversion sequence for reference initialization.

Definition at line 5264 of file SemaOverload.cpp.

Referenced by TryCopyInitialization(), and TryListConversion().

◆ TryUserDefinedConversion()

ImplicitConversionSequence TryUserDefinedConversion	(	Sema &	S,
		Expr *	From,
		QualType	ToType,
		bool	SuppressUserConversions,
		AllowedExplicit	AllowExplicit,
		bool	InOverloadResolution,
		bool	CStyle,
		bool	AllowObjCWritebackConversion,
		bool	AllowObjCConversionOnExplicit )

static

Tries a user-defined conversion from From to ToType.

Produces an implicit conversion sequence for when a standard conversion is not an option. See TryImplicitConversion for more information.

Definition at line 1656 of file SemaOverload.cpp.

◆ withoutUnaligned()

QualType withoutUnaligned	(	ASTContext &	Ctx,
		QualType	T )

static

Definition at line 5040 of file SemaOverload.cpp.

References clang::ASTContext::getQualifiedType(), clang::ASTContext::getUnqualifiedArrayType(), clang::Qualifiers::removeUnaligned(), and clang::T.

Referenced by clang::Sema::CompareReferenceRelationship(), and TryObjectArgumentInitialization().

Typedefs

Enumerations

Functions

Typedef Documentation

◆ AllowedExplicit

Enumeration Type Documentation

◆ anonymous enum

◆ FixedEnumPromotion

Function Documentation

◆ AddBuiltinAssignmentOperatorCandidates()

◆ AddMethodTemplateCandidateImmediately()

◆ AddOverloadedCallCandidate()

◆ AddTemplateConversionCandidateImmediately()

◆ AddTemplateOverloadCandidate() [1/3]

◆ AddTemplateOverloadCandidate() [2/3]

◆ AddTemplateOverloadCandidate() [3/3]

◆ AddTemplateOverloadCandidateImmediately()

◆ AdjustAddressSpaceForBuiltinOperandType()

◆ AdoptQualifiers()

◆ allowAmbiguity()

◆ BuildConvertedConstantExpression()

◆ BuildRecoveryCallExpr()

◆ BuildSimilarlyQualifiedPointerType()

◆ canBeDeclaredInNamespace()

◆ checkAddressOfCandidateIsAvailable()

◆ checkAddressOfFunctionIsAvailable()

◆ checkArgPlaceholdersForOverload()

◆ CheckArityMismatch()

◆ CheckConvertedConstantConversions()

◆ CheckConvertedConstantExpression()

◆ checkPlaceholderForOverload()

◆ chooseRecoveryType()

◆ collectViableConversionCandidates()

◆ CollectVRQualifiers()

◆ compareConversionFunctions()

◆ CompareDerivedToBaseConversions()

◆ compareEnableIfAttrs()

◆ CompareImplicitConversionSequences()

◆ CompareQualificationConversions()

◆ CompareStandardConversionSequences()

◆ compareStandardConversionSubsets()

◆ completeFunctionType()

◆ CompleteNonViableCandidate()

◆ convertArgsForAvailabilityChecks()

◆ CreateFunctionRefExpr()

◆ diagnoseAmbiguousConversion()

◆ DiagnoseArityMismatch() [1/2]

◆ DiagnoseArityMismatch() [2/2]

◆ DiagnoseBadConversion()

◆ DiagnoseBadDeduction() [1/2]

◆ DiagnoseBadDeduction() [2/2]

◆ DiagnoseBadTarget()

◆ diagnoseDiagnoseIfAttrsWith()

◆ DiagnoseFailedEnableIfAttr()

◆ DiagnoseFailedExplicitSpec()

◆ diagnoseNoViableConversion()

◆ DiagnoseTwoPhaseLookup()

◆ DiagnoseTwoPhaseOperatorLookup()

◆ dropPointerConversion()

◆ FindConversionForRefInit()

◆ finishContextualImplicitConversion()

◆ FinishOverloadedCallExpr()

◆ forAllQualifierCombinations()

◆ forAllQualifierCombinationsImpl()

◆ functionHasPassObjectSizeParams()

◆ FunctionsCorrespond()

◆ getConversionOpReturnTyAsFunction()

◆ getDescribedTemplate()

◆ GetExplicitObjectExpr()

◆ GetExplicitObjectType()

◆ getFixedEnumPromtion()

◆ GetImplicitConversionName()

◆ getImplicitObjectParamType()

◆ GetLocationForCandidate() [1/2]

◆ GetLocationForCandidate() [2/2]

◆ getMorePartialOrderingConstrained()

◆ hasDependentExplicit()

◆ hasDeprecatedStringLiteralToCharPtrConversion()

◆ hasExplicitAttr()

◆ IgnoreNarrowingConversion()