A reference to an overloaded function set, either an UnresolvedLookupExpr or an UnresolvedMemberExpr. More...

#include "clang/AST/ExprCXX.h"

Inheritance diagram for clang::OverloadExpr:

[legend]

Classes
struct	FindResult

Public Types
using	decls_iterator = UnresolvedSetImpl::iterator

Public Types inherited from clang::Expr
enum	LValueClassification { LV_Valid , LV_NotObjectType , LV_IncompleteVoidType , LV_DuplicateVectorComponents , LV_InvalidExpression , LV_InvalidMessageExpression , LV_MemberFunction , LV_SubObjCPropertySetting , LV_ClassTemporary , LV_ArrayTemporary }

enum	isModifiableLvalueResult { MLV_Valid , MLV_NotObjectType , MLV_IncompleteVoidType , MLV_DuplicateVectorComponents , MLV_InvalidExpression , MLV_LValueCast , MLV_IncompleteType , MLV_ConstQualified , MLV_ConstQualifiedField , MLV_ConstAddrSpace , MLV_ArrayType , MLV_NoSetterProperty , MLV_MemberFunction , MLV_SubObjCPropertySetting , MLV_InvalidMessageExpression , MLV_ClassTemporary , MLV_ArrayTemporary }

enum	SideEffectsKind { SE_NoSideEffects , SE_AllowUndefinedBehavior , SE_AllowSideEffects }

enum class	ConstantExprKind { Normal , NonClassTemplateArgument , ClassTemplateArgument , ImmediateInvocation }

enum	NullPointerConstantKind { NPCK_NotNull = 0 , NPCK_ZeroExpression , NPCK_ZeroLiteral , NPCK_CXX11_nullptr , NPCK_GNUNull }
	Enumeration used to describe the kind of Null pointer constant returned from `isNullPointerConstant()`. More...

enum	NullPointerConstantValueDependence { NPC_NeverValueDependent = 0 , NPC_ValueDependentIsNull , NPC_ValueDependentIsNotNull }
	Enumeration used to describe how `isNullPointerConstant()` should cope with value-dependent expressions. More...

Public Types inherited from clang::Stmt
enum	StmtClass { NoStmtClass = 0 }

enum	Likelihood { LH_Unlikely = -1 , LH_None , LH_Likely }
	The likelihood of a branch being taken. More...

using	child_iterator = StmtIterator
	Child Iterators: All subclasses must implement 'children' to permit easy iteration over the substatements/subexpressions of an AST node.

using	const_child_iterator = ConstStmtIterator

using	child_range = llvm::iterator_range< child_iterator >

using	const_child_range = llvm::iterator_range< const_child_iterator >

Public Member Functions
CXXRecordDecl *	getNamingClass ()
	Gets the naming class of this lookup, if any.

const CXXRecordDecl *	getNamingClass () const

decls_iterator	decls_begin () const

decls_iterator	decls_end () const

llvm::iterator_range< decls_iterator >	decls () const

unsigned	getNumDecls () const
	Gets the number of declarations in the unresolved set.

const DeclarationNameInfo &	getNameInfo () const
	Gets the full name info.

DeclarationName	getName () const
	Gets the name looked up.

SourceLocation	getNameLoc () const
	Gets the location of the name.

NestedNameSpecifier *	getQualifier () const
	Fetches the nested-name qualifier, if one was given.

NestedNameSpecifierLoc	getQualifierLoc () const
	Fetches the nested-name qualifier with source-location information, if one was given.

SourceLocation	getTemplateKeywordLoc () const
	Retrieve the location of the template keyword preceding this name, if any.

SourceLocation	getLAngleLoc () const
	Retrieve the location of the left angle bracket starting the explicit template argument list following the name, if any.

SourceLocation	getRAngleLoc () const
	Retrieve the location of the right angle bracket ending the explicit template argument list following the name, if any.

bool	hasTemplateKeyword () const
	Determines whether the name was preceded by the template keyword.

bool	hasExplicitTemplateArgs () const
	Determines whether this expression had explicit template arguments.

TemplateArgumentLoc const *	getTemplateArgs () const

unsigned	getNumTemplateArgs () const

ArrayRef< TemplateArgumentLoc >	template_arguments () const

void	copyTemplateArgumentsInto (TemplateArgumentListInfo &List) const
	Copies the template arguments into the given structure.

Public Member Functions inherited from clang::Expr
	Expr ()=delete

	Expr (const Expr &)=delete

	Expr (Expr &&)=delete

Expr &	operator= (const Expr &)=delete

Expr &	operator= (Expr &&)=delete

QualType	getType () const

void	setType (QualType t)

QualType	getEnumCoercedType (const ASTContext &Ctx) const
	If this expression is an enumeration constant, return the enumeration type under which said constant was declared.

ExprDependence	getDependence () const

bool	isValueDependent () const
	Determines whether the value of this expression depends on.

bool	isTypeDependent () const
	Determines whether the type of this expression depends on.

bool	isInstantiationDependent () const
	Whether this expression is instantiation-dependent, meaning that it depends in some way on.

bool	containsUnexpandedParameterPack () const
	Whether this expression contains an unexpanded parameter pack (for C++11 variadic templates).

bool	containsErrors () const
	Whether this expression contains subexpressions which had errors, e.g.

SourceLocation	getExprLoc () const LLVM_READONLY
	getExprLoc - Return the preferred location for the arrow when diagnosing a problem with a generic expression.

bool	isReadIfDiscardedInCPlusPlus11 () const
	Determine whether an lvalue-to-rvalue conversion should implicitly be applied to this expression if it appears as a discarded-value expression in C++11 onwards.

bool	isUnusedResultAWarning (const Expr *&WarnExpr, SourceLocation &Loc, SourceRange &R1, SourceRange &R2, ASTContext &Ctx) const
	isUnusedResultAWarning - Return true if this immediate expression should be warned about if the result is unused.

bool	isLValue () const
	isLValue - True if this expression is an "l-value" according to the rules of the current language.

bool	isPRValue () const

bool	isXValue () const

bool	isGLValue () const

LValueClassification	ClassifyLValue (ASTContext &Ctx) const
	Reasons why an expression might not be an l-value.

isModifiableLvalueResult	isModifiableLvalue (ASTContext &Ctx, SourceLocation *Loc=nullptr) const
	isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, does not have an incomplete type, does not have a const-qualified type, and if it is a structure or union, does not have any member (including, recursively, any member or element of all contained aggregates or unions) with a const-qualified type.

Classification	Classify (ASTContext &Ctx) const
	Classify - Classify this expression according to the C++11 expression taxonomy.

Classification	ClassifyModifiable (ASTContext &Ctx, SourceLocation &Loc) const
	ClassifyModifiable - Classify this expression according to the C++11 expression taxonomy, and see if it is valid on the left side of an assignment.

FPOptions	getFPFeaturesInEffect (const LangOptions &LO) const
	Returns the set of floating point options that apply to this expression.

ExprValueKind	getValueKind () const
	getValueKind - The value kind that this expression produces.

ExprObjectKind	getObjectKind () const
	getObjectKind - The object kind that this expression produces.

bool	isOrdinaryOrBitFieldObject () const

void	setValueKind (ExprValueKind Cat)
	setValueKind - Set the value kind produced by this expression.

void	setObjectKind (ExprObjectKind Cat)
	setObjectKind - Set the object kind produced by this expression.

bool	refersToBitField () const
	Returns true if this expression is a gl-value that potentially refers to a bit-field.

FieldDecl *	getSourceBitField ()
	If this expression refers to a bit-field, retrieve the declaration of that bit-field.

EnumConstantDecl *	getEnumConstantDecl ()
	If this expression refers to an enum constant, retrieve its declaration.

const EnumConstantDecl *	getEnumConstantDecl () const

const FieldDecl *	getSourceBitField () const

Decl *	getReferencedDeclOfCallee ()

const Decl *	getReferencedDeclOfCallee () const

const ObjCPropertyRefExpr *	getObjCProperty () const
	If this expression is an l-value for an Objective C property, find the underlying property reference expression.

bool	isObjCSelfExpr () const
	Check if this expression is the ObjC 'self' implicit parameter.

bool	refersToVectorElement () const
	Returns whether this expression refers to a vector element.

bool	refersToMatrixElement () const
	Returns whether this expression refers to a matrix element.

bool	refersToGlobalRegisterVar () const
	Returns whether this expression refers to a global register variable.

bool	hasPlaceholderType () const
	Returns whether this expression has a placeholder type.

bool	hasPlaceholderType (BuiltinType::Kind K) const
	Returns whether this expression has a specific placeholder type.

bool	isKnownToHaveBooleanValue (bool Semantic=true) const
	isKnownToHaveBooleanValue - Return true if this is an integer expression that is known to return 0 or 1.

bool	isFlexibleArrayMemberLike (ASTContext &Context, LangOptions::StrictFlexArraysLevelKind StrictFlexArraysLevel, bool IgnoreTemplateOrMacroSubstitution=false) const
	Check whether this array fits the idiom of a flexible array member, depending on the value of -fstrict-flex-array.

std::optional< llvm::APSInt >	getIntegerConstantExpr (const ASTContext &Ctx, SourceLocation *Loc=nullptr) const
	isIntegerConstantExpr - Return the value if this expression is a valid integer constant expression.

bool	isIntegerConstantExpr (const ASTContext &Ctx, SourceLocation *Loc=nullptr) const

bool	isCXX98IntegralConstantExpr (const ASTContext &Ctx) const
	isCXX98IntegralConstantExpr - Return true if this expression is an integral constant expression in C++98.

bool	isCXX11ConstantExpr (const ASTContext &Ctx, APValue Result=nullptr, SourceLocation Loc=nullptr) const
	isCXX11ConstantExpr - Return true if this expression is a constant expression in C++11.

bool	isConstantInitializer (ASTContext &Ctx, bool ForRef, const Expr **Culprit=nullptr) const
	isConstantInitializer - Returns true if this expression can be emitted to IR as a constant, and thus can be used as a constant initializer in C.

const ValueDecl *	getAsBuiltinConstantDeclRef (const ASTContext &Context) const
	If this expression is an unambiguous reference to a single declaration, in the style of __builtin_function_start, return that declaration.

bool	EvaluateAsRValue (EvalResult &Result, const ASTContext &Ctx, bool InConstantContext=false) const
	EvaluateAsRValue - Return true if this is a constant which we can fold to an rvalue using any crazy technique (that has nothing to do with language standards) that we want to, even if the expression has side-effects.

bool	EvaluateAsBooleanCondition (bool &Result, const ASTContext &Ctx, bool InConstantContext=false) const
	EvaluateAsBooleanCondition - Return true if this is a constant which we can fold and convert to a boolean condition using any crazy technique that we want to, even if the expression has side-effects.

bool	EvaluateAsInt (EvalResult &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const
	EvaluateAsInt - Return true if this is a constant which we can fold and convert to an integer, using any crazy technique that we want to.

bool	EvaluateAsFloat (llvm::APFloat &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const
	EvaluateAsFloat - Return true if this is a constant which we can fold and convert to a floating point value, using any crazy technique that we want to.

bool	EvaluateAsFixedPoint (EvalResult &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const
	EvaluateAsFixedPoint - Return true if this is a constant which we can fold and convert to a fixed point value.

bool	isEvaluatable (const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects) const
	isEvaluatable - Call EvaluateAsRValue to see if this expression can be constant folded without side-effects, but discard the result.

bool	HasSideEffects (const ASTContext &Ctx, bool IncludePossibleEffects=true) const
	HasSideEffects - This routine returns true for all those expressions which have any effect other than producing a value.

bool	hasNonTrivialCall (const ASTContext &Ctx) const
	Determine whether this expression involves a call to any function that is not trivial.

llvm::APSInt	EvaluateKnownConstInt (const ASTContext &Ctx, SmallVectorImpl< PartialDiagnosticAt > *Diag=nullptr) const
	EvaluateKnownConstInt - Call EvaluateAsRValue and return the folded integer.

llvm::APSInt	EvaluateKnownConstIntCheckOverflow (const ASTContext &Ctx, SmallVectorImpl< PartialDiagnosticAt > *Diag=nullptr) const

void	EvaluateForOverflow (const ASTContext &Ctx) const

bool	EvaluateAsLValue (EvalResult &Result, const ASTContext &Ctx, bool InConstantContext=false) const
	EvaluateAsLValue - Evaluate an expression to see if we can fold it to an lvalue with link time known address, with no side-effects.

bool	EvaluateAsInitializer (APValue &Result, const ASTContext &Ctx, const VarDecl *VD, SmallVectorImpl< PartialDiagnosticAt > &Notes, bool IsConstantInitializer) const
	EvaluateAsInitializer - Evaluate an expression as if it were the initializer of the given declaration.

bool	EvaluateWithSubstitution (APValue &Value, ASTContext &Ctx, const FunctionDecl Callee, ArrayRef< const Expr > Args, const Expr *This=nullptr) const
	EvaluateWithSubstitution - Evaluate an expression as if from the context of a call to the given function with the given arguments, inside an unevaluated context.

bool	EvaluateAsConstantExpr (EvalResult &Result, const ASTContext &Ctx, ConstantExprKind Kind=ConstantExprKind::Normal) const
	Evaluate an expression that is required to be a constant expression.

bool	tryEvaluateObjectSize (uint64_t &Result, ASTContext &Ctx, unsigned Type) const
	If the current Expr is a pointer, this will try to statically determine the number of bytes available where the pointer is pointing.

bool	tryEvaluateStrLen (uint64_t &Result, ASTContext &Ctx) const
	If the current Expr is a pointer, this will try to statically determine the strlen of the string pointed to.

bool	EvaluateCharRangeAsString (std::string &Result, const Expr SizeExpression, const Expr PtrExpression, ASTContext &Ctx, EvalResult &Status) const

std::optional< std::string >	tryEvaluateString (ASTContext &Ctx) const
	If the current Expr can be evaluated to a pointer to a null-terminated constant string, return the constant string (without the terminating null).

NullPointerConstantKind	isNullPointerConstant (ASTContext &Ctx, NullPointerConstantValueDependence NPC) const
	isNullPointerConstant - C99 6.3.2.3p3 - Test if this reduces down to a Null pointer constant.

bool	isOBJCGCCandidate (ASTContext &Ctx) const
	isOBJCGCCandidate - Return true if this expression may be used in a read/ write barrier.

bool	isBoundMemberFunction (ASTContext &Ctx) const
	Returns true if this expression is a bound member function.

Expr *	IgnoreUnlessSpelledInSource ()
	Skip past any invisible AST nodes which might surround this statement, such as ExprWithCleanups or ImplicitCastExpr nodes, but also injected CXXMemberExpr and CXXConstructExpr which represent implicit conversions.

const Expr *	IgnoreUnlessSpelledInSource () const

Expr *	IgnoreImpCasts () LLVM_READONLY
	Skip past any implicit casts which might surround this expression until reaching a fixed point.

const Expr *	IgnoreImpCasts () const

Expr *	IgnoreCasts () LLVM_READONLY
	Skip past any casts which might surround this expression until reaching a fixed point.

const Expr *	IgnoreCasts () const

Expr *	IgnoreImplicit () LLVM_READONLY
	Skip past any implicit AST nodes which might surround this expression until reaching a fixed point.

const Expr *	IgnoreImplicit () const

Expr *	IgnoreImplicitAsWritten () LLVM_READONLY
	Skip past any implicit AST nodes which might surround this expression until reaching a fixed point.

const Expr *	IgnoreImplicitAsWritten () const

Expr *	IgnoreParens () LLVM_READONLY
	Skip past any parentheses which might surround this expression until reaching a fixed point.

const Expr *	IgnoreParens () const

Expr *	IgnoreParenImpCasts () LLVM_READONLY
	Skip past any parentheses and implicit casts which might surround this expression until reaching a fixed point.

const Expr *	IgnoreParenImpCasts () const

Expr *	IgnoreParenCasts () LLVM_READONLY
	Skip past any parentheses and casts which might surround this expression until reaching a fixed point.

const Expr *	IgnoreParenCasts () const

Expr *	IgnoreConversionOperatorSingleStep () LLVM_READONLY
	Skip conversion operators.

const Expr *	IgnoreConversionOperatorSingleStep () const

Expr *	IgnoreParenLValueCasts () LLVM_READONLY
	Skip past any parentheses and lvalue casts which might surround this expression until reaching a fixed point.

const Expr *	IgnoreParenLValueCasts () const

Expr *	IgnoreParenNoopCasts (const ASTContext &Ctx) LLVM_READONLY
	Skip past any parentheses and casts which do not change the value (including ptr->int casts of the same size) until reaching a fixed point.

const Expr *	IgnoreParenNoopCasts (const ASTContext &Ctx) const

Expr *	IgnoreParenBaseCasts () LLVM_READONLY
	Skip past any parentheses and derived-to-base casts until reaching a fixed point.

const Expr *	IgnoreParenBaseCasts () const

bool	isDefaultArgument () const
	Determine whether this expression is a default function argument.

bool	isTemporaryObject (ASTContext &Ctx, const CXXRecordDecl *TempTy) const
	Determine whether the result of this expression is a temporary object of the given class type.

bool	isImplicitCXXThis () const
	Whether this expression is an implicit reference to 'this' in C++.

const CXXRecordDecl *	getBestDynamicClassType () const
	For an expression of class type or pointer to class type, return the most derived class decl the expression is known to refer to.

const Expr *	getBestDynamicClassTypeExpr () const
	Get the inner expression that determines the best dynamic class.

const Expr *	skipRValueSubobjectAdjustments (SmallVectorImpl< const Expr * > &CommaLHS, SmallVectorImpl< SubobjectAdjustment > &Adjustments) const
	Walk outwards from an expression we want to bind a reference to and find the expression whose lifetime needs to be extended.

const Expr *	skipRValueSubobjectAdjustments () const

Public Member Functions inherited from clang::ValueStmt
const Expr *	getExprStmt () const

Expr *	getExprStmt ()

Public Member Functions inherited from clang::Stmt
void *	operator new (size_t bytes, const ASTContext &C, unsigned alignment=8)

void *	operator new (size_t bytes, const ASTContext *C, unsigned alignment=8)

void *	operator new (size_t bytes, void *mem) noexcept

void	operator delete (void *, const ASTContext &, unsigned) noexcept

void	operator delete (void , const ASTContext , unsigned) noexcept

void	operator delete (void *, size_t) noexcept

void	operator delete (void , void ) noexcept

	Stmt ()=delete

	Stmt (const Stmt &)=delete

	Stmt (Stmt &&)=delete

Stmt &	operator= (const Stmt &)=delete

Stmt &	operator= (Stmt &&)=delete

	Stmt (StmtClass SC)

StmtClass	getStmtClass () const

const char *	getStmtClassName () const

SourceRange	getSourceRange () const LLVM_READONLY
	SourceLocation tokens are not useful in isolation - they are low level value objects created/interpreted by SourceManager.

SourceLocation	getBeginLoc () const LLVM_READONLY

SourceLocation	getEndLoc () const LLVM_READONLY

void	dump () const
	Dumps the specified AST fragment and all subtrees to `llvm::errs()`.

void	dump (raw_ostream &OS, const ASTContext &Context) const

int64_t	getID (const ASTContext &Context) const

void	dumpColor () const
	dumpColor - same as dump(), but forces color highlighting.

void	dumpPretty (const ASTContext &Context) const
	dumpPretty/printPretty - These two methods do a "pretty print" of the AST back to its original source language syntax.

void	printPretty (raw_ostream &OS, PrinterHelper Helper, const PrintingPolicy &Policy, unsigned Indentation=0, StringRef NewlineSymbol="\n", const ASTContext Context=nullptr) const

void	printPrettyControlled (raw_ostream &OS, PrinterHelper Helper, const PrintingPolicy &Policy, unsigned Indentation=0, StringRef NewlineSymbol="\n", const ASTContext Context=nullptr) const

void	printJson (raw_ostream &Out, PrinterHelper *Helper, const PrintingPolicy &Policy, bool AddQuotes) const
	Pretty-prints in JSON format.

void	viewAST () const
	viewAST - Visualize an AST rooted at this Stmt* using GraphViz.

Stmt *	IgnoreContainers (bool IgnoreCaptured=false)
	Skip no-op (attributed, compound) container stmts and skip captured stmt at the top, if IgnoreCaptured is true.

const Stmt *	IgnoreContainers (bool IgnoreCaptured=false) const

const Stmt *	stripLabelLikeStatements () const
	Strip off all label-like statements.

Stmt *	stripLabelLikeStatements ()

child_range	children ()

const_child_range	children () const

child_iterator	child_begin ()

child_iterator	child_end ()

const_child_iterator	child_begin () const

const_child_iterator	child_end () const

void	Profile (llvm::FoldingSetNodeID &ID, const ASTContext &Context, bool Canonical, bool ProfileLambdaExpr=false) const
	Produce a unique representation of the given statement.

void	ProcessODRHash (llvm::FoldingSetNodeID &ID, ODRHash &Hash) const
	Calculate a unique representation for a statement that is stable across compiler invocations.

Static Public Member Functions
static FindResult	find (Expr *E)
	Finds the overloaded expression in the given expression `E` of OverloadTy.

static bool	classof (const Stmt *T)

Static Public Member Functions inherited from clang::Expr
static ExprValueKind	getValueKindForType (QualType T)
	getValueKindForType - Given a formal return or parameter type, give its value kind.

static bool	isPotentialConstantExpr (const FunctionDecl *FD, SmallVectorImpl< PartialDiagnosticAt > &Diags)
	isPotentialConstantExpr - Return true if this function's definition might be usable in a constant expression in C++11, if it were marked constexpr.

static bool	isPotentialConstantExprUnevaluated (Expr E, const FunctionDecl FD, SmallVectorImpl< PartialDiagnosticAt > &Diags)
	isPotentialConstantExprUnevaluated - Return true if this expression might be usable in a constant expression in C++11 in an unevaluated context, if it were in function FD marked constexpr.

static QualType	findBoundMemberType (const Expr *expr)
	Given an expression of bound-member type, find the type of the member.

static bool	hasAnyTypeDependentArguments (ArrayRef< Expr * > Exprs)
	hasAnyTypeDependentArguments - Determines if any of the expressions in Exprs is type-dependent.

static bool	isSameComparisonOperand (const Expr E1, const Expr E2)
	Checks that the two Expr's will refer to the same value as a comparison operand.

static bool	classof (const Stmt *T)

Static Public Member Functions inherited from clang::ValueStmt
static bool	classof (const Stmt *T)

Static Public Member Functions inherited from clang::Stmt
static void	addStmtClass (const StmtClass s)

static void	EnableStatistics ()

static void	PrintStats ()

static Likelihood	getLikelihood (ArrayRef< const Attr * > Attrs)

static Likelihood	getLikelihood (const Stmt *S)

static const Attr *	getLikelihoodAttr (const Stmt *S)

static Likelihood	getLikelihood (const Stmt Then, const Stmt Else)

static std::tuple< bool, const Attr , const Attr >	determineLikelihoodConflict (const Stmt Then, const Stmt Else)

Protected Member Functions
	OverloadExpr (StmtClass SC, const ASTContext &Context, NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs, UnresolvedSetIterator Begin, UnresolvedSetIterator End, bool KnownDependent, bool KnownInstantiationDependent, bool KnownContainsUnexpandedParameterPack)

	OverloadExpr (StmtClass SC, EmptyShell Empty, unsigned NumResults, bool HasTemplateKWAndArgsInfo)

DeclAccessPair *	getTrailingResults ()
	Return the results. Defined after UnresolvedMemberExpr.

const DeclAccessPair *	getTrailingResults () const

ASTTemplateKWAndArgsInfo *	getTrailingASTTemplateKWAndArgsInfo ()
	Return the optional template keyword and arguments info.

const ASTTemplateKWAndArgsInfo *	getTrailingASTTemplateKWAndArgsInfo () const

TemplateArgumentLoc *	getTrailingTemplateArgumentLoc ()
	Return the optional template arguments.

const TemplateArgumentLoc *	getTrailingTemplateArgumentLoc () const

bool	hasTemplateKWAndArgsInfo () const

Protected Member Functions inherited from clang::Expr
	Expr (StmtClass SC, QualType T, ExprValueKind VK, ExprObjectKind OK)

	Expr (StmtClass SC, EmptyShell)
	Construct an empty expression.

void	setDependence (ExprDependence Deps)
	Each concrete expr subclass is expected to compute its dependence and call this in the constructor.

Protected Member Functions inherited from clang::ValueStmt
	Stmt (StmtClass SC, EmptyShell)
	Construct an empty statement.

	Stmt ()=delete

	Stmt (const Stmt &)=delete

	Stmt (Stmt &&)=delete

	Stmt (StmtClass SC)

Protected Member Functions inherited from clang::Stmt
void *	operator new (size_t bytes) noexcept

void	operator delete (void *data) noexcept

	Stmt (StmtClass SC, EmptyShell)
	Construct an empty statement.

Friends
class	ASTStmtReader

class	ASTStmtWriter

Additional Inherited Members
Protected Types inherited from clang::Stmt
enum	{ NumStmtBits = 8 }

enum	{ NumExprBits = NumStmtBits + 5 + llvm::BitWidth<ExprDependence> }

enum	{ NumCallExprBits = 32 }

enum	{ NumOverloadExprBits = NumExprBits + 1 }

template<typename T >
using	ConstCastIterator = CastIterator< T, const T const, const Stmt const >
	Const iterator for iterating over Stmt * arrays that contain only T *.

using	ExprIterator = CastIterator< Expr >

using	ConstExprIterator = ConstCastIterator< Expr >

Protected Attributes inherited from clang::Stmt
union {
StmtBitfields StmtBits

NullStmtBitfields NullStmtBits

CompoundStmtBitfields CompoundStmtBits

LabelStmtBitfields LabelStmtBits

AttributedStmtBitfields AttributedStmtBits

IfStmtBitfields IfStmtBits

SwitchStmtBitfields SwitchStmtBits

WhileStmtBitfields WhileStmtBits

DoStmtBitfields DoStmtBits

ForStmtBitfields ForStmtBits

GotoStmtBitfields GotoStmtBits

ContinueStmtBitfields ContinueStmtBits

BreakStmtBitfields BreakStmtBits

ReturnStmtBitfields ReturnStmtBits

SwitchCaseBitfields SwitchCaseBits

ExprBitfields ExprBits

ConstantExprBitfields ConstantExprBits

PredefinedExprBitfields PredefinedExprBits

DeclRefExprBitfields DeclRefExprBits

FloatingLiteralBitfields FloatingLiteralBits

StringLiteralBitfields StringLiteralBits

CharacterLiteralBitfields CharacterLiteralBits

UnaryOperatorBitfields UnaryOperatorBits

UnaryExprOrTypeTraitExprBitfields UnaryExprOrTypeTraitExprBits

ArrayOrMatrixSubscriptExprBitfields ArrayOrMatrixSubscriptExprBits

CallExprBitfields CallExprBits

MemberExprBitfields MemberExprBits

CastExprBitfields CastExprBits

BinaryOperatorBitfields BinaryOperatorBits

InitListExprBitfields InitListExprBits

ParenListExprBitfields ParenListExprBits

GenericSelectionExprBitfields GenericSelectionExprBits

PseudoObjectExprBitfields PseudoObjectExprBits

SourceLocExprBitfields SourceLocExprBits

StmtExprBitfields StmtExprBits

CXXOperatorCallExprBitfields CXXOperatorCallExprBits

CXXRewrittenBinaryOperatorBitfields CXXRewrittenBinaryOperatorBits

CXXBoolLiteralExprBitfields CXXBoolLiteralExprBits

CXXNullPtrLiteralExprBitfields CXXNullPtrLiteralExprBits

CXXThisExprBitfields CXXThisExprBits

CXXThrowExprBitfields CXXThrowExprBits

CXXDefaultArgExprBitfields CXXDefaultArgExprBits

CXXDefaultInitExprBitfields CXXDefaultInitExprBits

CXXScalarValueInitExprBitfields CXXScalarValueInitExprBits

CXXNewExprBitfields CXXNewExprBits

CXXDeleteExprBitfields CXXDeleteExprBits

TypeTraitExprBitfields TypeTraitExprBits

DependentScopeDeclRefExprBitfields DependentScopeDeclRefExprBits

CXXConstructExprBitfields CXXConstructExprBits

ExprWithCleanupsBitfields ExprWithCleanupsBits

CXXUnresolvedConstructExprBitfields CXXUnresolvedConstructExprBits

CXXDependentScopeMemberExprBitfields CXXDependentScopeMemberExprBits

OverloadExprBitfields OverloadExprBits

UnresolvedLookupExprBitfields UnresolvedLookupExprBits

UnresolvedMemberExprBitfields UnresolvedMemberExprBits

CXXNoexceptExprBitfields CXXNoexceptExprBits

SubstNonTypeTemplateParmExprBitfields SubstNonTypeTemplateParmExprBits

LambdaExprBitfields LambdaExprBits

RequiresExprBitfields RequiresExprBits

CoawaitExprBitfields CoawaitBits

ObjCIndirectCopyRestoreExprBitfields ObjCIndirectCopyRestoreExprBits

OpaqueValueExprBitfields OpaqueValueExprBits

};

Detailed Description

A reference to an overloaded function set, either an UnresolvedLookupExpr or an UnresolvedMemberExpr.

Definition at line 2982 of file ExprCXX.h.

Member Typedef Documentation

◆ decls_iterator

using clang::OverloadExpr::decls_iterator = UnresolvedSetImpl::iterator

Definition at line 3073 of file ExprCXX.h.

Constructor & Destructor Documentation

◆ OverloadExpr() [1/2]

OverloadExpr::OverloadExpr	(	StmtClass	SC,
		const ASTContext &	Context,
		NestedNameSpecifierLoc	QualifierLoc,
		SourceLocation	TemplateKWLoc,
		const DeclarationNameInfo &	NameInfo,
		const TemplateArgumentListInfo *	TemplateArgs,
		UnresolvedSetIterator	Begin,
		UnresolvedSetIterator	End,
		bool	KnownDependent,
		bool	KnownInstantiationDependent,
		bool	KnownContainsUnexpandedParameterPack
	)

protected

Definition at line 467 of file ExprCXX.cpp.

References Begin, clang::computeDependence(), clang::ASTContext::DependentTy, getTrailingASTTemplateKWAndArgsInfo(), getTrailingResults(), getTrailingTemplateArgumentLoc(), clang::ASTTemplateKWAndArgsInfo::initializeFrom(), clang::Expr::isTypeDependent(), clang::SourceLocation::isValid(), memcpy(), clang::Stmt::OverloadExprBits, clang::Expr::setDependence(), and clang::Expr::setType().

◆ OverloadExpr() [2/2]

OverloadExpr::OverloadExpr	(	StmtClass	SC,
		EmptyShell	Empty,
		unsigned	NumResults,
		bool	HasTemplateKWAndArgsInfo
	)

protected

Definition at line 505 of file ExprCXX.cpp.

References clang::Stmt::OverloadExprBits.

Member Function Documentation

◆ classof()

static bool clang::OverloadExpr::classof ( const Stmt * T )

inlinestatic

Definition at line 3159 of file ExprCXX.h.

References clang::T.

◆ copyTemplateArgumentsInto()

void clang::OverloadExpr::copyTemplateArgumentsInto ( TemplateArgumentListInfo & List ) const

inline

Copies the template arguments into the given structure.

Definition at line 3154 of file ExprCXX.h.

References clang::ASTTemplateKWAndArgsInfo::copyInto(), getTemplateArgs(), getTrailingASTTemplateKWAndArgsInfo(), and hasExplicitTemplateArgs().

Referenced by clang::Sema::AddOverloadedCallCandidates(), clang::Sema::BuildCallToMemberFunction(), BuildRecoveryCallExpr(), ResolveOverloadForDeduction(), and clang::Sema::ResolveSingleFunctionTemplateSpecialization().

◆ decls()

llvm::iterator_range< decls_iterator > clang::OverloadExpr::decls ( ) const

inline

Definition at line 3081 of file ExprCXX.h.

References decls_begin(), and decls_end().

Referenced by clang::Sema::FindAssociatedClassesAndNamespaces(), clang::TreeTransform< Derived >::TransformOverloadExprDecls(), and clang::JSONNodeDumper::VisitUnresolvedLookupExpr().

◆ decls_begin()

decls_iterator clang::OverloadExpr::decls_begin ( ) const

inline

Definition at line 3075 of file ExprCXX.h.

References getTrailingResults().

Referenced by clang::Sema::AddOverloadedCallCandidates(), clang::Sema::BuildCallToMemberFunction(), clang::Sema::BuildOperatorCoawaitCall(), clang::Sema::buildOverloadedCallSet(), decls(), isParenthesizedADLCallee(), clang::Sema::NoteAllOverloadCandidates(), clang::Sema::resolveAddressOfSingleOverloadCandidate(), ResolveOverloadForDeduction(), clang::Sema::ResolveSingleFunctionTemplateSpecialization(), and clang::Sema::tryExprAsCall().

◆ decls_end()

decls_iterator clang::OverloadExpr::decls_end ( ) const

inline

Definition at line 3078 of file ExprCXX.h.

References getNumDecls(), and getTrailingResults().

Referenced by clang::Sema::AddOverloadedCallCandidates(), clang::Sema::BuildCallToMemberFunction(), clang::Sema::BuildOperatorCoawaitCall(), clang::Sema::buildOverloadedCallSet(), decls(), clang::Sema::NoteAllOverloadCandidates(), clang::Sema::resolveAddressOfSingleOverloadCandidate(), ResolveOverloadForDeduction(), clang::Sema::ResolveSingleFunctionTemplateSpecialization(), and clang::Sema::tryExprAsCall().

◆ find()

static FindResult clang::OverloadExpr::find ( Expr * E )

inlinestatic

Finds the overloaded expression in the given expression E of OverloadTy.

Returns: the expression (which must be there) and true if it has the particular form of a member pointer expression

Definition at line 3043 of file ExprCXX.h.

References E, and clang::Result.

Referenced by clang::Sema::BuildCallExpr(), clang::Sema::CheckAddressOfMemberAccess(), clang::Sema::DeduceFunctionTypeFromReturnExpr(), clang::Sema::DiagnoseAssignmentResult(), clang::Sema::FindAssociatedClassesAndNamespaces(), clang::Sema::NoteAllOverloadCandidates(), clang::Sema::resolveAddressOfSingleOverloadCandidate(), clang::Sema::ResolveAndFixSingleFunctionTemplateSpecialization(), ResolveOverloadForDeduction(), and clang::Sema::tryExprAsCall().

◆ getLAngleLoc()

SourceLocation clang::OverloadExpr::getLAngleLoc ( ) const

inline

Retrieve the location of the left angle bracket starting the explicit template argument list following the name, if any.

Definition at line 3116 of file ExprCXX.h.

References getTrailingASTTemplateKWAndArgsInfo(), hasTemplateKWAndArgsInfo(), and clang::ASTTemplateKWAndArgsInfo::LAngleLoc.

Referenced by hasExplicitTemplateArgs().

◆ getName()

DeclarationName clang::OverloadExpr::getName ( ) const

inline

Gets the name looked up.

Definition at line 3092 of file ExprCXX.h.

References clang::DeclarationNameInfo::getName().

Referenced by clang::Sema::AddOverloadedCallCandidates(), BuildRecoveryCallExpr(), FinishOverloadedCallExpr(), clang::UnresolvedMemberExpr::getMemberName(), clang::Sema::ResolveAndFixSingleFunctionTemplateSpecialization(), clang::Sema::ResolveSingleFunctionTemplateSpecialization(), clang::TreeTransform< Derived >::TransformOverloadExprDecls(), and clang::JSONNodeDumper::VisitUnresolvedLookupExpr().

◆ getNameInfo()

const DeclarationNameInfo & clang::OverloadExpr::getNameInfo ( ) const

inline

Gets the full name info.

Definition at line 3089 of file ExprCXX.h.

Referenced by clang::UnresolvedLookupExpr::getBeginLoc(), clang::UnresolvedLookupExpr::getEndLoc(), and clang::UnresolvedMemberExpr::getMemberNameInfo().

◆ getNameLoc()

SourceLocation clang::OverloadExpr::getNameLoc ( ) const

inline

Gets the location of the name.

Definition at line 3095 of file ExprCXX.h.

References clang::DeclarationNameInfo::getLoc().

Referenced by clang::Sema::BuildCallToMemberFunction(), BuildRecoveryCallExpr(), clang::Sema::CheckAddressOfMemberAccess(), FinishOverloadedCallExpr(), clang::UnresolvedMemberExpr::getMemberLoc(), ResolveOverloadForDeduction(), clang::Sema::ResolveSingleFunctionTemplateSpecialization(), and clang::TreeTransform< Derived >::TransformOverloadExprDecls().

◆ getNamingClass() [1/2]

CXXRecordDecl * clang::OverloadExpr::getNamingClass ( )

inline

Gets the naming class of this lookup, if any.

Defined after UnresolvedMemberExpr.

Definition at line 4115 of file ExprCXX.h.

Referenced by clang::Sema::CheckAddressOfMemberAccess(), and getNamingClass().

◆ getNamingClass() [2/2]

const CXXRecordDecl * clang::OverloadExpr::getNamingClass ( ) const

inline

Definition at line 3069 of file ExprCXX.h.

References getNamingClass().

◆ getNumDecls()

unsigned clang::OverloadExpr::getNumDecls ( ) const

inline

Gets the number of declarations in the unresolved set.

Definition at line 3086 of file ExprCXX.h.

References clang::Stmt::OverloadExprBits.

Referenced by decls_end(), and isParenthesizedADLCallee().

◆ getNumTemplateArgs()

unsigned clang::OverloadExpr::getNumTemplateArgs ( ) const

inline

Definition at line 3142 of file ExprCXX.h.

References getTrailingASTTemplateKWAndArgsInfo(), hasExplicitTemplateArgs(), and clang::ASTTemplateKWAndArgsInfo::NumTemplateArgs.

Referenced by template_arguments().

◆ getQualifier()

NestedNameSpecifier * clang::OverloadExpr::getQualifier ( ) const

inline

Fetches the nested-name qualifier, if one was given.

Definition at line 3098 of file ExprCXX.h.

References clang::NestedNameSpecifierLoc::getNestedNameSpecifier().

Referenced by clang::Sema::BuildCallToMemberFunction(), clang::Sema::buildOverloadedCallSet(), clang::UnresolvedMemberExpr::getNamingClass(), and isParenthesizedADLCallee().

◆ getQualifierLoc()

NestedNameSpecifierLoc clang::OverloadExpr::getQualifierLoc ( ) const

inline

Fetches the nested-name qualifier with source-location information, if one was given.

Definition at line 3104 of file ExprCXX.h.

Referenced by BuildRecoveryCallExpr(), clang::UnresolvedLookupExpr::getBeginLoc(), clang::UnresolvedMemberExpr::getBeginLoc(), clang::Sema::ResolveAndFixSingleFunctionTemplateSpecialization(), and clang::TreeTransform< Derived >::TransformOverloadExprDecls().

◆ getRAngleLoc()

SourceLocation clang::OverloadExpr::getRAngleLoc ( ) const

inline

Retrieve the location of the right angle bracket ending the explicit template argument list following the name, if any.

Definition at line 3124 of file ExprCXX.h.

References getTrailingASTTemplateKWAndArgsInfo(), hasTemplateKWAndArgsInfo(), and clang::ASTTemplateKWAndArgsInfo::RAngleLoc.

Referenced by clang::UnresolvedLookupExpr::getEndLoc(), and clang::UnresolvedMemberExpr::getEndLoc().

◆ getTemplateArgs()

TemplateArgumentLoc const * clang::OverloadExpr::getTemplateArgs ( ) const

inline

Definition at line 3136 of file ExprCXX.h.

References getTrailingTemplateArgumentLoc(), and hasExplicitTemplateArgs().

Referenced by copyTemplateArgumentsInto(), and template_arguments().

◆ getTemplateKeywordLoc()

SourceLocation clang::OverloadExpr::getTemplateKeywordLoc ( ) const

inline

Retrieve the location of the template keyword preceding this name, if any.

Definition at line 3108 of file ExprCXX.h.

References getTrailingASTTemplateKWAndArgsInfo(), hasTemplateKWAndArgsInfo(), and clang::ASTTemplateKWAndArgsInfo::TemplateKWLoc.

Referenced by BuildRecoveryCallExpr(), hasTemplateKeyword(), and clang::TreeTransform< Derived >::TransformOverloadExprDecls().

◆ getTrailingASTTemplateKWAndArgsInfo() [1/2]

ASTTemplateKWAndArgsInfo * clang::OverloadExpr::getTrailingASTTemplateKWAndArgsInfo ( )

inlineprotected

Return the optional template keyword and arguments info.

Defined after UnresolvedMemberExpr.

Definition at line 4098 of file ExprCXX.h.

References hasTemplateKWAndArgsInfo().

Referenced by copyTemplateArgumentsInto(), getLAngleLoc(), getNumTemplateArgs(), getRAngleLoc(), getTemplateKeywordLoc(), getTrailingASTTemplateKWAndArgsInfo(), and OverloadExpr().

◆ getTrailingASTTemplateKWAndArgsInfo() [2/2]

const ASTTemplateKWAndArgsInfo * clang::OverloadExpr::getTrailingASTTemplateKWAndArgsInfo ( ) const

inlineprotected

Definition at line 3014 of file ExprCXX.h.

References getTrailingASTTemplateKWAndArgsInfo().

◆ getTrailingResults() [1/2]

DeclAccessPair * clang::OverloadExpr::getTrailingResults ( )

inlineprotected

Return the results. Defined after UnresolvedMemberExpr.

Definition at line 4092 of file ExprCXX.h.

Referenced by decls_begin(), decls_end(), getTrailingResults(), and OverloadExpr().

◆ getTrailingResults() [2/2]

const DeclAccessPair * clang::OverloadExpr::getTrailingResults ( ) const

inlineprotected

Definition at line 3007 of file ExprCXX.h.

References getTrailingResults().

◆ getTrailingTemplateArgumentLoc() [1/2]

TemplateArgumentLoc * clang::OverloadExpr::getTrailingTemplateArgumentLoc ( )

inlineprotected

Return the optional template arguments.

Defined after UnresolvedMemberExpr.

Definition at line 4108 of file ExprCXX.h.

Referenced by getTemplateArgs(), getTrailingTemplateArgumentLoc(), and OverloadExpr().

◆ getTrailingTemplateArgumentLoc() [2/2]

const TemplateArgumentLoc * clang::OverloadExpr::getTrailingTemplateArgumentLoc ( ) const

inlineprotected

Definition at line 3022 of file ExprCXX.h.

References getTrailingTemplateArgumentLoc().

◆ hasExplicitTemplateArgs()

bool clang::OverloadExpr::hasExplicitTemplateArgs ( ) const

inline

Determines whether this expression had explicit template arguments.

Definition at line 3134 of file ExprCXX.h.

References getLAngleLoc(), and clang::SourceLocation::isValid().

Referenced by clang::Sema::AddOverloadedCallCandidates(), clang::Sema::BuildCallToMemberFunction(), BuildRecoveryCallExpr(), copyTemplateArgumentsInto(), clang::UnresolvedLookupExpr::getEndLoc(), clang::UnresolvedMemberExpr::getEndLoc(), getNumTemplateArgs(), getTemplateArgs(), ResolveOverloadForDeduction(), and clang::Sema::ResolveSingleFunctionTemplateSpecialization().

◆ hasTemplateKeyword()

bool clang::OverloadExpr::hasTemplateKeyword ( ) const

inline

Determines whether the name was preceded by the template keyword.

Definition at line 3131 of file ExprCXX.h.

References getTemplateKeywordLoc(), and clang::SourceLocation::isValid().

Referenced by clang::TreeTransform< Derived >::TransformOverloadExprDecls().

◆ hasTemplateKWAndArgsInfo()

bool clang::OverloadExpr::hasTemplateKWAndArgsInfo ( ) const

inlineprotected

Definition at line 3026 of file ExprCXX.h.

References clang::Stmt::OverloadExprBits.

Referenced by getLAngleLoc(), getRAngleLoc(), getTemplateKeywordLoc(), and getTrailingASTTemplateKWAndArgsInfo().

◆ template_arguments()

ArrayRef< TemplateArgumentLoc > clang::OverloadExpr::template_arguments ( ) const

inline

Definition at line 3149 of file ExprCXX.h.

References getNumTemplateArgs(), and getTemplateArgs().

Friends And Related Function Documentation

◆ ASTStmtReader

friend class ASTStmtReader

friend

Definition at line 2983 of file ExprCXX.h.

◆ ASTStmtWriter

friend class ASTStmtWriter

friend

Definition at line 2984 of file ExprCXX.h.

The documentation for this class was generated from the following files:

include/clang/AST/ExprCXX.h
lib/AST/ExprCXX.cpp

Classes

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ decls_iterator

Constructor & Destructor Documentation

◆ OverloadExpr() [1/2]

◆ OverloadExpr() [2/2]

Member Function Documentation

◆ classof()

◆ copyTemplateArgumentsInto()

◆ decls()

◆ decls_begin()

◆ decls_end()

◆ find()

◆ getLAngleLoc()

◆ getName()

◆ getNameInfo()

◆ getNameLoc()

◆ getNamingClass() [1/2]

◆ getNamingClass() [2/2]

◆ getNumDecls()

◆ getNumTemplateArgs()

◆ getQualifier()

◆ getQualifierLoc()

◆ getRAngleLoc()

◆ getTemplateArgs()

◆ getTemplateKeywordLoc()

◆ getTrailingASTTemplateKWAndArgsInfo() [1/2]

◆ getTrailingASTTemplateKWAndArgsInfo() [2/2]

◆ getTrailingResults() [1/2]

◆ getTrailingResults() [2/2]

◆ getTrailingTemplateArgumentLoc() [1/2]

◆ getTrailingTemplateArgumentLoc() [2/2]

◆ hasExplicitTemplateArgs()

◆ hasTemplateKeyword()

◆ hasTemplateKWAndArgsInfo()

◆ template_arguments()

Friends And Related Function Documentation

◆ ASTStmtReader

◆ ASTStmtWriter