clang
3.7.0
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A qualified reference to a name whose declaration cannot yet be resolved. More...
#include <ExprCXX.h>
Public Member Functions | |
const DeclarationNameInfo & | getNameInfo () const |
Retrieve the name that this expression refers to. More... | |
DeclarationName | getDeclName () const |
Retrieve the name that this expression refers to. More... | |
SourceLocation | getLocation () const |
Retrieve the location of the name within the expression. More... | |
NestedNameSpecifierLoc | getQualifierLoc () const |
Retrieve the nested-name-specifier that qualifies the name, with source location information. More... | |
NestedNameSpecifier * | getQualifier () const |
Retrieve the nested-name-specifier that qualifies this declaration. More... | |
SourceLocation | getTemplateKeywordLoc () const |
Retrieve the location of the template keyword preceding this name, if any. More... | |
SourceLocation | getLAngleLoc () const |
Retrieve the location of the left angle bracket starting the explicit template argument list following the name, if any. More... | |
SourceLocation | getRAngleLoc () const |
Retrieve the location of the right angle bracket ending the explicit template argument list following the name, if any. More... | |
bool | hasTemplateKeyword () const |
Determines whether the name was preceded by the template keyword. More... | |
bool | hasExplicitTemplateArgs () const |
Determines whether this lookup had explicit template arguments. More... | |
ASTTemplateArgumentListInfo & | getExplicitTemplateArgs () |
const ASTTemplateArgumentListInfo & | getExplicitTemplateArgs () const |
Gets a reference to the explicit template argument list. More... | |
const ASTTemplateArgumentListInfo * | getOptionalExplicitTemplateArgs () const |
Retrieves the optional explicit template arguments. More... | |
void | copyTemplateArgumentsInto (TemplateArgumentListInfo &List) const |
Copies the template arguments (if present) into the given structure. More... | |
TemplateArgumentLoc const * | getTemplateArgs () const |
unsigned | getNumTemplateArgs () const |
SourceLocation | getLocStart () const LLVM_READONLY |
SourceLocation | getLocEnd () const LLVM_READONLY |
child_range | children () |
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QualType | getType () const |
void | setType (QualType t) |
bool | isValueDependent () const |
void | setValueDependent (bool VD) |
Set whether this expression is value-dependent or not. More... | |
bool | isTypeDependent () const |
void | setTypeDependent (bool TD) |
Set whether this expression is type-dependent or not. More... | |
bool | isInstantiationDependent () const |
Whether this expression is instantiation-dependent, meaning that it depends in some way on a template parameter, even if neither its type nor (constant) value can change due to the template instantiation. More... | |
void | setInstantiationDependent (bool ID) |
Set whether this expression is instantiation-dependent or not. More... | |
bool | containsUnexpandedParameterPack () const |
Whether this expression contains an unexpanded parameter pack (for C++11 variadic templates). More... | |
void | setContainsUnexpandedParameterPack (bool PP=true) |
Set the bit that describes whether this expression contains an unexpanded parameter pack. More... | |
SourceLocation | getExprLoc () const LLVM_READONLY |
bool | isUnusedResultAWarning (const Expr *&WarnExpr, SourceLocation &Loc, SourceRange &R1, SourceRange &R2, ASTContext &Ctx) const |
bool | isLValue () const |
bool | isRValue () const |
bool | isXValue () const |
bool | isGLValue () const |
LValueClassification | ClassifyLValue (ASTContext &Ctx) const |
Reasons why an expression might not be an l-value. More... | |
isModifiableLvalueResult | isModifiableLvalue (ASTContext &Ctx, SourceLocation *Loc=nullptr) const |
Classification | Classify (ASTContext &Ctx) const |
Classify - Classify this expression according to the C++11 expression taxonomy. More... | |
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. More... | |
ExprValueKind | getValueKind () const |
getValueKind - The value kind that this expression produces. More... | |
ExprObjectKind | getObjectKind () const |
bool | isOrdinaryOrBitFieldObject () const |
void | setValueKind (ExprValueKind Cat) |
setValueKind - Set the value kind produced by this expression. More... | |
void | setObjectKind (ExprObjectKind Cat) |
setObjectKind - Set the object kind produced by this expression. More... | |
bool | refersToBitField () const |
Returns true if this expression is a gl-value that potentially refers to a bit-field. More... | |
FieldDecl * | getSourceBitField () |
If this expression refers to a bit-field, retrieve the declaration of that bit-field. More... | |
const FieldDecl * | getSourceBitField () const |
const ObjCPropertyRefExpr * | getObjCProperty () const |
If this expression is an l-value for an Objective C property, find the underlying property reference expression. More... | |
bool | isObjCSelfExpr () const |
Check if this expression is the ObjC 'self' implicit parameter. More... | |
bool | refersToVectorElement () const |
Returns whether this expression refers to a vector element. More... | |
bool | hasPlaceholderType () const |
Returns whether this expression has a placeholder type. More... | |
bool | hasPlaceholderType (BuiltinType::Kind K) const |
Returns whether this expression has a specific placeholder type. More... | |
bool | isKnownToHaveBooleanValue () const |
bool | isIntegerConstantExpr (llvm::APSInt &Result, const ASTContext &Ctx, SourceLocation *Loc=nullptr, bool isEvaluated=true) const |
bool | isIntegerConstantExpr (const ASTContext &Ctx, SourceLocation *Loc=nullptr) const |
bool | isCXX98IntegralConstantExpr (const ASTContext &Ctx) const |
bool | isCXX11ConstantExpr (const ASTContext &Ctx, APValue *Result=nullptr, SourceLocation *Loc=nullptr) const |
bool | isConstantInitializer (ASTContext &Ctx, bool ForRef, const Expr **Culprit=nullptr) const |
bool | EvaluateAsRValue (EvalResult &Result, const ASTContext &Ctx) const |
bool | EvaluateAsBooleanCondition (bool &Result, const ASTContext &Ctx) const |
bool | EvaluateAsInt (llvm::APSInt &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects) const |
bool | isEvaluatable (const ASTContext &Ctx) const |
bool | HasSideEffects (const ASTContext &Ctx, bool IncludePossibleEffects=true) const |
bool | hasNonTrivialCall (const ASTContext &Ctx) const |
Determine whether this expression involves a call to any function that is not trivial. More... | |
llvm::APSInt | EvaluateKnownConstInt (const ASTContext &Ctx, SmallVectorImpl< PartialDiagnosticAt > *Diag=nullptr) const |
void | EvaluateForOverflow (const ASTContext &Ctx) const |
bool | EvaluateAsLValue (EvalResult &Result, const ASTContext &Ctx) const |
bool | EvaluateAsInitializer (APValue &Result, const ASTContext &Ctx, const VarDecl *VD, SmallVectorImpl< PartialDiagnosticAt > &Notes) const |
bool | EvaluateWithSubstitution (APValue &Value, ASTContext &Ctx, const FunctionDecl *Callee, ArrayRef< const Expr * > Args) const |
NullPointerConstantKind | isNullPointerConstant (ASTContext &Ctx, NullPointerConstantValueDependence NPC) const |
bool | isOBJCGCCandidate (ASTContext &Ctx) const |
bool | isBoundMemberFunction (ASTContext &Ctx) const |
Returns true if this expression is a bound member function. More... | |
Expr * | IgnoreImpCasts () LLVM_READONLY |
Expr * | IgnoreImplicit () LLVM_READONLY |
const Expr * | IgnoreImplicit () const LLVM_READONLY |
Expr * | IgnoreParens () LLVM_READONLY |
Expr * | IgnoreParenCasts () LLVM_READONLY |
Expr * | IgnoreCasts () LLVM_READONLY |
Ignore casts. Strip off any CastExprs, returning their operand. More... | |
Expr * | IgnoreParenImpCasts () LLVM_READONLY |
Expr * | IgnoreConversionOperator () LLVM_READONLY |
const Expr * | IgnoreConversionOperator () const LLVM_READONLY |
const Expr * | IgnoreParenImpCasts () const LLVM_READONLY |
Expr * | IgnoreParenLValueCasts () LLVM_READONLY |
const Expr * | IgnoreParenLValueCasts () const LLVM_READONLY |
Expr * | IgnoreParenNoopCasts (ASTContext &Ctx) LLVM_READONLY |
Expr * | ignoreParenBaseCasts () LLVM_READONLY |
Ignore parentheses and derived-to-base casts. More... | |
const Expr * | ignoreParenBaseCasts () const LLVM_READONLY |
bool | isDefaultArgument () const |
Determine whether this expression is a default function argument. More... | |
bool | isTemporaryObject (ASTContext &Ctx, const CXXRecordDecl *TempTy) const |
Determine whether the result of this expression is a temporary object of the given class type. More... | |
bool | isImplicitCXXThis () const |
Whether this expression is an implicit reference to 'this' in C++. More... | |
const Expr * | IgnoreImpCasts () const LLVM_READONLY |
const Expr * | IgnoreParens () const LLVM_READONLY |
const Expr * | IgnoreParenCasts () const LLVM_READONLY |
const Expr * | IgnoreCasts () const LLVM_READONLY |
Strip off casts, but keep parentheses. More... | |
const Expr * | IgnoreParenNoopCasts (ASTContext &Ctx) const LLVM_READONLY |
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. More... | |
const Expr * | skipRValueSubobjectAdjustments (SmallVectorImpl< const Expr * > &CommaLHS, SmallVectorImpl< SubobjectAdjustment > &Adjustments) const |
Static Public Member Functions | |
static DependentScopeDeclRefExpr * | Create (const ASTContext &C, NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs) |
static DependentScopeDeclRefExpr * | CreateEmpty (const ASTContext &C, bool HasTemplateKWAndArgsInfo, unsigned NumTemplateArgs) |
static bool | classof (const Stmt *T) |
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static ExprValueKind | getValueKindForType (QualType T) |
static bool | isPotentialConstantExpr (const FunctionDecl *FD, SmallVectorImpl< PartialDiagnosticAt > &Diags) |
static bool | isPotentialConstantExprUnevaluated (Expr *E, const FunctionDecl *FD, SmallVectorImpl< PartialDiagnosticAt > &Diags) |
static QualType | findBoundMemberType (const Expr *expr) |
Given an expression of bound-member type, find the type of the member. Returns null if this is an overloaded bound member expression. More... | |
static bool | hasAnyTypeDependentArguments (ArrayRef< Expr * > Exprs) |
static bool | classof (const Stmt *T) |
Friends | |
class | ASTStmtReader |
class | ASTStmtWriter |
A qualified reference to a name whose declaration cannot yet be resolved.
DependentScopeDeclRefExpr is similar to DeclRefExpr in that it expresses a reference to a declaration such as X<T>::value. The difference, however, is that an DependentScopeDeclRefExpr node is used only within C++ templates when the qualification (e.g., X<T>::) refers to a dependent type. In this case, X<T>::value cannot resolve to a declaration because the declaration will differ from one instantiation of X<T> to the next. Therefore, DependentScopeDeclRefExpr keeps track of the qualifier (X<T>::) and the name of the entity being referenced ("value"). Such expressions will instantiate to a DeclRefExpr once the declaration can be found.
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Copies the template arguments (if present) into the given structure.
Definition at line 2723 of file ExprCXX.h.
References clang::ASTTemplateArgumentListInfo::copyInto(), and getExplicitTemplateArgs().
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Definition at line 446 of file ExprCXX.cpp.
References clang::ASTContext::Allocate(), clang::ASTContext::DependentTy, clang::SourceLocation::isValid(), clang::TemplateArgumentListInfo::size(), and clang::ASTTemplateKWAndArgsInfo::sizeFor().
Referenced by clang::Sema::BuildDependentDeclRefExpr(), clang::Sema::CheckTemplateArgument(), and recoverFromMSUnqualifiedLookup().
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Definition at line 463 of file ExprCXX.cpp.
References clang::ASTContext::Allocate(), and clang::ASTTemplateKWAndArgsInfo::sizeFor().
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Retrieve the name that this expression refers to.
Definition at line 2653 of file ExprCXX.h.
References clang::DeclarationNameInfo::getName().
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Definition at line 2701 of file ExprCXX.h.
References hasExplicitTemplateArgs().
Referenced by copyTemplateArgumentsInto(), getNumTemplateArgs(), getOptionalExplicitTemplateArgs(), and getTemplateArgs().
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Gets a reference to the explicit template argument list.
Definition at line 2707 of file ExprCXX.h.
References hasExplicitTemplateArgs().
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Retrieve the location of the left angle bracket starting the explicit template argument list following the name, if any.
Definition at line 2679 of file ExprCXX.h.
References clang::ASTTemplateArgumentListInfo::LAngleLoc.
Referenced by hasExplicitTemplateArgs().
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Retrieve the location of the name within the expression.
For example, in "X<T>::value" this is the location of "value".
Definition at line 2658 of file ExprCXX.h.
References clang::DeclarationNameInfo::getLoc().
Referenced by getLocEnd().
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Definition at line 2740 of file ExprCXX.h.
References getLocation(), getRAngleLoc(), and hasExplicitTemplateArgs().
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Note: getLocStart() is the start of the whole DependentScopeDeclRefExpr, and differs from getLocation().getStart().
Definition at line 2737 of file ExprCXX.h.
References clang::NestedNameSpecifierLoc::getBeginLoc().
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Definition at line 2731 of file ExprCXX.h.
References getExplicitTemplateArgs(), and clang::ASTTemplateArgumentListInfo::NumTemplateArgs.
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Retrieves the optional explicit template arguments.
This points to the same data as getExplicitTemplateArgs(), but returns null if there are no explicit template arguments.
Definition at line 2716 of file ExprCXX.h.
References getExplicitTemplateArgs(), and hasExplicitTemplateArgs().
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Retrieve the nested-name-specifier that qualifies this declaration.
Definition at line 2666 of file ExprCXX.h.
References clang::NestedNameSpecifierLoc::getNestedNameSpecifier().
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Retrieve the location of the right angle bracket ending the explicit template argument list following the name, if any.
Definition at line 2686 of file ExprCXX.h.
References clang::ASTTemplateArgumentListInfo::RAngleLoc.
Referenced by getLocEnd().
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Definition at line 2727 of file ExprCXX.h.
References getExplicitTemplateArgs(), and clang::ASTTemplateArgumentListInfo::getTemplateArgs().
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Retrieve the location of the template keyword preceding this name, if any.
Definition at line 2672 of file ExprCXX.h.
References clang::ASTTemplateKWAndArgsInfo::getTemplateKeywordLoc().
Referenced by hasTemplateKeyword().
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Determines whether this lookup had explicit template arguments.
Definition at line 2695 of file ExprCXX.h.
References getLAngleLoc(), and clang::SourceLocation::isValid().
Referenced by getExplicitTemplateArgs(), getLocEnd(), and getOptionalExplicitTemplateArgs().
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Determines whether the name was preceded by the template keyword.
Definition at line 2692 of file ExprCXX.h.
References getTemplateKeywordLoc(), and clang::SourceLocation::isValid().
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