clang
3.9.0
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A reference to a name which we were able to look up during parsing but could not resolve to a specific declaration. More...
#include <ExprCXX.h>
Public Member Functions | |
bool | requiresADL () const |
True if this declaration should be extended by argument-dependent lookup. More... | |
bool | isOverloaded () const |
True if this lookup is overloaded. More... | |
CXXRecordDecl * | getNamingClass () const |
Gets the 'naming class' (in the sense of C++0x [class.access.base]p5) of the lookup. More... | |
SourceLocation | getLocStart () const LLVM_READONLY |
SourceLocation | getLocEnd () const LLVM_READONLY |
child_range | children () |
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CXXRecordDecl * | getNamingClass () const |
Gets the naming class of this lookup, if any. More... | |
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. More... | |
const DeclarationNameInfo & | getNameInfo () const |
Gets the full name info. More... | |
DeclarationName | getName () const |
Gets the name looked up. More... | |
SourceLocation | getNameLoc () const |
Gets the location of the name. More... | |
NestedNameSpecifier * | getQualifier () const |
Fetches the nested-name qualifier, if one was given. More... | |
NestedNameSpecifierLoc | getQualifierLoc () const |
Fetches the nested-name qualifier with source-location information, if one was given. 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 expression had explicit template arguments. More... | |
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. More... | |
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QualType | getType () const |
void | setType (QualType t) |
bool | isValueDependent () const |
isValueDependent - Determines whether this expression is value-dependent (C++ [temp.dep.constexpr]). More... | |
void | setValueDependent (bool VD) |
Set whether this expression is value-dependent or not. More... | |
bool | isTypeDependent () const |
isTypeDependent - Determines whether this expression is type-dependent (C++ [temp.dep.expr]), which means that its type could change from one template instantiation to the next. More... | |
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 |
getExprLoc - Return the preferred location for the arrow when diagnosing a problem with a generic expression. More... | |
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. More... | |
bool | isLValue () const |
isLValue - True if this expression is an "l-value" according to the rules of the current language. More... | |
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 |
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. More... | |
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 |
getObjectKind - The object kind that this expression produces. More... | |
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 | refersToGlobalRegisterVar () const |
Returns whether this expression refers to a global register variable. 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 |
isKnownToHaveBooleanValue - Return true if this is an integer expression that is known to return 0 or 1. More... | |
bool | isIntegerConstantExpr (llvm::APSInt &Result, const ASTContext &Ctx, SourceLocation *Loc=nullptr, bool isEvaluated=true) const |
isIntegerConstantExpr - Return true if this expression is a valid integer constant expression, and, if so, return its value in Result. More... | |
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. More... | |
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. More... | |
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. More... | |
bool | EvaluateAsRValue (EvalResult &Result, const ASTContext &Ctx) 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. More... | |
bool | EvaluateAsBooleanCondition (bool &Result, const ASTContext &Ctx) const |
EvaluateAsBooleanCondition - Return true if this is a constant which we we can fold and convert to a boolean condition using any crazy technique that we want to, even if the expression has side-effects. More... | |
bool | EvaluateAsInt (llvm::APSInt &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects) 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. More... | |
bool | EvaluateAsFloat (llvm::APFloat &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects) 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. More... | |
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. More... | |
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. More... | |
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 |
EvaluateKnownConstInt - Call EvaluateAsRValue and return the folded integer. More... | |
void | EvaluateForOverflow (const ASTContext &Ctx) const |
bool | EvaluateAsLValue (EvalResult &Result, const ASTContext &Ctx) const |
EvaluateAsLValue - Evaluate an expression to see if we can fold it to an lvalue with link time known address, with no side-effects. More... | |
bool | EvaluateAsInitializer (APValue &Result, const ASTContext &Ctx, const VarDecl *VD, SmallVectorImpl< PartialDiagnosticAt > &Notes) const |
EvaluateAsInitializer - Evaluate an expression as if it were the initializer of the given declaration. More... | |
bool | EvaluateWithSubstitution (APValue &Value, ASTContext &Ctx, const FunctionDecl *Callee, ArrayRef< const Expr * > Args) 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. More... | |
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. More... | |
NullPointerConstantKind | isNullPointerConstant (ASTContext &Ctx, NullPointerConstantValueDependence NPC) const |
isNullPointerConstant - C99 6.3.2.3p3 - Test if this reduces down to a Null pointer constant. More... | |
bool | isOBJCGCCandidate (ASTContext &Ctx) const |
isOBJCGCCandidate - Return true if this expression may be used in a read/ write barrier. More... | |
bool | isBoundMemberFunction (ASTContext &Ctx) const |
Returns true if this expression is a bound member function. More... | |
Expr * | IgnoreImpCasts () LLVM_READONLY |
IgnoreImpCasts - Skip past any implicit casts which might surround this expression. More... | |
Expr * | IgnoreImplicit () LLVM_READONLY |
IgnoreImplicit - Skip past any implicit AST nodes which might surround this expression. More... | |
const Expr * | IgnoreImplicit () const LLVM_READONLY |
Expr * | IgnoreParens () LLVM_READONLY |
IgnoreParens - Ignore parentheses. More... | |
Expr * | IgnoreParenCasts () LLVM_READONLY |
IgnoreParenCasts - Ignore parentheses and casts. More... | |
Expr * | IgnoreCasts () LLVM_READONLY |
Ignore casts. Strip off any CastExprs, returning their operand. More... | |
Expr * | IgnoreParenImpCasts () LLVM_READONLY |
IgnoreParenImpCasts - Ignore parentheses and implicit casts. More... | |
Expr * | IgnoreConversionOperator () LLVM_READONLY |
IgnoreConversionOperator - Ignore conversion operator. More... | |
const Expr * | IgnoreConversionOperator () const LLVM_READONLY |
const Expr * | IgnoreParenImpCasts () const LLVM_READONLY |
Expr * | IgnoreParenLValueCasts () LLVM_READONLY |
Ignore parentheses and lvalue casts. More... | |
const Expr * | IgnoreParenLValueCasts () const LLVM_READONLY |
Expr * | IgnoreParenNoopCasts (ASTContext &Ctx) LLVM_READONLY |
IgnoreParenNoopCasts - Ignore parentheses and casts that do not change the value (including ptr->int casts of the same size). More... | |
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 |
Walk outwards from an expression we want to bind a reference to and find the expression whose lifetime needs to be extended. More... | |
Static Public Member Functions | |
static UnresolvedLookupExpr * | Create (const ASTContext &C, CXXRecordDecl *NamingClass, NestedNameSpecifierLoc QualifierLoc, const DeclarationNameInfo &NameInfo, bool ADL, bool Overloaded, UnresolvedSetIterator Begin, UnresolvedSetIterator End) |
static UnresolvedLookupExpr * | Create (const ASTContext &C, CXXRecordDecl *NamingClass, NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, bool ADL, const TemplateArgumentListInfo *Args, UnresolvedSetIterator Begin, UnresolvedSetIterator End) |
static UnresolvedLookupExpr * | CreateEmpty (const ASTContext &C, bool HasTemplateKWAndArgsInfo, unsigned NumTemplateArgs) |
static bool | classof (const Stmt *T) |
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static FindResult | find (Expr *E) |
Finds the overloaded expression in the given expression E of OverloadTy. More... | |
static bool | classof (const Stmt *T) |
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static ExprValueKind | getValueKindForType (QualType T) |
getValueKindForType - Given a formal return or parameter type, give its value kind. More... | |
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. More... | |
static bool | isPotentialConstantExprUnevaluated (Expr *E, const FunctionDecl *FD, SmallVectorImpl< PartialDiagnosticAt > &Diags) |
isPotentialConstantExprUnevaluted - 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. More... | |
static QualType | findBoundMemberType (const Expr *expr) |
Given an expression of bound-member type, find the type of the member. More... | |
static bool | hasAnyTypeDependentArguments (ArrayRef< Expr * > Exprs) |
hasAnyTypeDependentArguments - Determines if any of the expressions in Exprs is type-dependent. More... | |
static bool | classof (const Stmt *T) |
Friends | |
class | OverloadExpr |
class | ASTStmtReader |
A reference to a name which we were able to look up during parsing but could not resolve to a specific declaration.
This arises in several ways:
These never include UnresolvedUsingValueDecls, which are always class members and therefore appear only in UnresolvedMemberLookupExprs.
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Definition at line 2719 of file ExprCXX.h.
References AttributeLangSupport::C, and End.
Referenced by clang::Sema::BuildDeclarationNameExpr(), buildDeclareReductionRef(), clang::Sema::BuildForRangeBeginEndCall(), clang::Sema::BuildTemplateIdExpr(), clang::Sema::CreateOverloadedArraySubscriptExpr(), clang::Sema::CreateOverloadedBinOp(), and clang::Sema::CreateOverloadedUnaryOp().
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Definition at line 213 of file ExprCXX.cpp.
References clang::ASTContext::Allocate(), clang::SourceLocation::isValid(), and clang::TemplateArgumentListInfo::size().
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Definition at line 237 of file ExprCXX.cpp.
References clang::ASTContext::Allocate(), E, and clang::OverloadExpr::HasTemplateKWAndArgsInfo.
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Definition at line 2762 of file ExprCXX.h.
References clang::DeclarationNameInfo::getLocEnd(), clang::OverloadExpr::getNameInfo(), clang::OverloadExpr::getRAngleLoc(), and clang::OverloadExpr::hasExplicitTemplateArgs().
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Definition at line 2757 of file ExprCXX.h.
References clang::DeclarationNameInfo::getLocStart(), clang::OverloadExpr::getNameInfo(), and clang::OverloadExpr::getQualifierLoc().
Referenced by clang::Sema::BuildForRangeBeginEndCall().
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Gets the 'naming class' (in the sense of C++0x [class.access.base]p5) of the lookup.
This is the scope that was looked in to find these results.
Definition at line 2755 of file ExprCXX.h.
Referenced by clang::Sema::CheckUnresolvedLookupAccess().
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True if this declaration should be extended by argument-dependent lookup.
Definition at line 2747 of file ExprCXX.h.
Referenced by clang::Sema::AddOverloadedCallCandidates(), clang::Sema::buildOverloadedCallSet(), and isParenthesizedADLCallee().
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