clang 20.0.0git
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A reference to a declared variable, function, enum, etc. More...
#include "clang/AST/Expr.h"
Public Member Functions | |
DeclRefExpr (const ASTContext &Ctx, ValueDecl *D, bool RefersToEnclosingVariableOrCapture, QualType T, ExprValueKind VK, SourceLocation L, const DeclarationNameLoc &LocInfo=DeclarationNameLoc(), NonOdrUseReason NOUR=NOUR_None) | |
ValueDecl * | getDecl () |
const ValueDecl * | getDecl () const |
void | setDecl (ValueDecl *NewD) |
DeclarationNameInfo | getNameInfo () const |
SourceLocation | getLocation () const |
void | setLocation (SourceLocation L) |
SourceLocation | getBeginLoc () const LLVM_READONLY |
SourceLocation | getEndLoc () const LLVM_READONLY |
bool | hasQualifier () const |
Determine whether this declaration reference was preceded by a C++ nested-name-specifier, e.g., N::foo . | |
NestedNameSpecifierLoc | getQualifierLoc () const |
If the name was qualified, retrieves the nested-name-specifier that precedes the name, with source-location information. | |
NestedNameSpecifier * | getQualifier () const |
If the name was qualified, retrieves the nested-name-specifier that precedes the name. | |
NamedDecl * | getFoundDecl () |
Get the NamedDecl through which this reference occurred. | |
const NamedDecl * | getFoundDecl () const |
Get the NamedDecl through which this reference occurred. | |
bool | hasTemplateKWAndArgsInfo () const |
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 in this declaration reference was preceded by the template keyword. | |
bool | hasExplicitTemplateArgs () const |
Determines whether this declaration reference was followed by an explicit template argument list. | |
void | copyTemplateArgumentsInto (TemplateArgumentListInfo &List) const |
Copies the template arguments (if present) into the given structure. | |
const TemplateArgumentLoc * | getTemplateArgs () const |
Retrieve the template arguments provided as part of this template-id. | |
unsigned | getNumTemplateArgs () const |
Retrieve the number of template arguments provided as part of this template-id. | |
ArrayRef< TemplateArgumentLoc > | template_arguments () const |
bool | hadMultipleCandidates () const |
Returns true if this expression refers to a function that was resolved from an overloaded set having size greater than 1. | |
void | setHadMultipleCandidates (bool V=true) |
Sets the flag telling whether this expression refers to a function that was resolved from an overloaded set having size greater than 1. | |
NonOdrUseReason | isNonOdrUse () const |
Is this expression a non-odr-use reference, and if so, why? | |
bool | refersToEnclosingVariableOrCapture () const |
Does this DeclRefExpr refer to an enclosing local or a captured variable? | |
bool | isImmediateEscalating () const |
void | setIsImmediateEscalating (bool Set) |
bool | isCapturedByCopyInLambdaWithExplicitObjectParameter () const |
void | setCapturedByCopyInLambdaWithExplicitObjectParameter (bool Set, const ASTContext &Context) |
child_range | children () |
const_child_range | children () const |
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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= |