clang  3.7.0
Public Member Functions | Static Public Member Functions | Friends | List of all members
clang::CXXPseudoDestructorExpr Class Reference

Represents a C++ pseudo-destructor (C++ [expr.pseudo]). More...

#include <ExprCXX.h>

Inheritance diagram for clang::CXXPseudoDestructorExpr:
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Collaboration diagram for clang::CXXPseudoDestructorExpr:
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Public Member Functions

 CXXPseudoDestructorExpr (const ASTContext &Context, Expr *Base, bool isArrow, SourceLocation OperatorLoc, NestedNameSpecifierLoc QualifierLoc, TypeSourceInfo *ScopeType, SourceLocation ColonColonLoc, SourceLocation TildeLoc, PseudoDestructorTypeStorage DestroyedType)
 
 CXXPseudoDestructorExpr (EmptyShell Shell)
 
ExprgetBase () const
 
bool hasQualifier () const
 Determines whether this member expression actually had a C++ nested-name-specifier prior to the name of the member, e.g., x->Base::foo. More...
 
NestedNameSpecifierLoc getQualifierLoc () const
 Retrieves the nested-name-specifier that qualifies the type name, with source-location information. More...
 
NestedNameSpecifiergetQualifier () const
 If the member name was qualified, retrieves the nested-name-specifier that precedes the member name. Otherwise, returns null. More...
 
bool isArrow () const
 Determine whether this pseudo-destructor expression was written using an '->' (otherwise, it used a '.'). More...
 
SourceLocation getOperatorLoc () const
 Retrieve the location of the '.' or '->' operator. More...
 
TypeSourceInfogetScopeTypeInfo () const
 Retrieve the scope type in a qualified pseudo-destructor expression. More...
 
SourceLocation getColonColonLoc () const
 Retrieve the location of the '::' in a qualified pseudo-destructor expression. More...
 
SourceLocation getTildeLoc () const
 Retrieve the location of the '~'. More...
 
TypeSourceInfogetDestroyedTypeInfo () const
 Retrieve the source location information for the type being destroyed. More...
 
IdentifierInfogetDestroyedTypeIdentifier () const
 In a dependent pseudo-destructor expression for which we do not have full type information on the destroyed type, provides the name of the destroyed type. More...
 
QualType getDestroyedType () const
 Retrieve the type being destroyed. More...
 
SourceLocation getDestroyedTypeLoc () const
 Retrieve the starting location of the type being destroyed. More...
 
void setDestroyedType (IdentifierInfo *II, SourceLocation Loc)
 Set the name of destroyed type for a dependent pseudo-destructor expression. More...
 
void setDestroyedType (TypeSourceInfo *Info)
 Set the destroyed type. More...
 
SourceLocation getLocStart () const LLVM_READONLY
 
SourceLocation getLocEnd () const LLVM_READONLY
 
child_range children ()
 
- Public Member Functions inherited from clang::Expr
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...
 
FieldDeclgetSourceBitField ()
 If this expression refers to a bit-field, retrieve the declaration of that bit-field. More...
 
const FieldDeclgetSourceBitField () const
 
const ObjCPropertyRefExprgetObjCProperty () 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...
 
ExprIgnoreImpCasts () LLVM_READONLY
 
ExprIgnoreImplicit () LLVM_READONLY
 
const ExprIgnoreImplicit () const LLVM_READONLY
 
ExprIgnoreParens () LLVM_READONLY
 
ExprIgnoreParenCasts () LLVM_READONLY
 
ExprIgnoreCasts () LLVM_READONLY
 Ignore casts. Strip off any CastExprs, returning their operand. More...
 
ExprIgnoreParenImpCasts () LLVM_READONLY
 
ExprIgnoreConversionOperator () LLVM_READONLY
 
const ExprIgnoreConversionOperator () const LLVM_READONLY
 
const ExprIgnoreParenImpCasts () const LLVM_READONLY
 
ExprIgnoreParenLValueCasts () LLVM_READONLY
 
const ExprIgnoreParenLValueCasts () const LLVM_READONLY
 
ExprIgnoreParenNoopCasts (ASTContext &Ctx) LLVM_READONLY
 
ExprignoreParenBaseCasts () LLVM_READONLY
 Ignore parentheses and derived-to-base casts. More...
 
const ExprignoreParenBaseCasts () 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 ExprIgnoreImpCasts () const LLVM_READONLY
 
const ExprIgnoreParens () const LLVM_READONLY
 
const ExprIgnoreParenCasts () const LLVM_READONLY
 
const ExprIgnoreCasts () const LLVM_READONLY
 Strip off casts, but keep parentheses. More...
 
const ExprIgnoreParenNoopCasts (ASTContext &Ctx) const LLVM_READONLY
 
const CXXRecordDeclgetBestDynamicClassType () 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 ExprskipRValueSubobjectAdjustments (SmallVectorImpl< const Expr * > &CommaLHS, SmallVectorImpl< SubobjectAdjustment > &Adjustments) const
 

Static Public Member Functions

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

Additional Inherited Members

- 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_ConstAddrSpace, MLV_ArrayType, MLV_NoSetterProperty, MLV_MemberFunction,
  MLV_SubObjCPropertySetting, MLV_InvalidMessageExpression, MLV_ClassTemporary, MLV_ArrayTemporary
}
 
enum  SideEffectsKind { SE_NoSideEffects, SE_AllowSideEffects }
 
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...
 
- Protected Member Functions inherited from clang::Expr
 Expr (StmtClass SC, QualType T, ExprValueKind VK, ExprObjectKind OK, bool TD, bool VD, bool ID, bool ContainsUnexpandedParameterPack)
 
 Expr (StmtClass SC, EmptyShell)
 Construct an empty expression. More...
 

Detailed Description

Represents a C++ pseudo-destructor (C++ [expr.pseudo]).

A pseudo-destructor is an expression that looks like a member access to a destructor of a scalar type, except that scalar types don't have destructors. For example:

typedef int T;
void f(int *p) {
p->T::~T();
}

Pseudo-destructors typically occur when instantiating templates such as:

template<typename T>
void destroy(T* ptr) {
ptr->T::~T();
}

for scalar types. A pseudo-destructor expression has no run-time semantics beyond evaluating the base expression.

Definition at line 1940 of file ExprCXX.h.

Constructor & Destructor Documentation

CXXPseudoDestructorExpr::CXXPseudoDestructorExpr ( const ASTContext Context,
Expr Base,
bool  isArrow,
SourceLocation  OperatorLoc,
NestedNameSpecifierLoc  QualifierLoc,
TypeSourceInfo ScopeType,
SourceLocation  ColonColonLoc,
SourceLocation  TildeLoc,
PseudoDestructorTypeStorage  DestroyedType 
)

Definition at line 235 of file ExprCXX.cpp.

clang::CXXPseudoDestructorExpr::CXXPseudoDestructorExpr ( EmptyShell  Shell)
inlineexplicit

Definition at line 1980 of file ExprCXX.h.

Member Function Documentation

child_range clang::CXXPseudoDestructorExpr::children ( )
inline

Definition at line 2072 of file ExprCXX.h.

static bool clang::CXXPseudoDestructorExpr::classof ( const Stmt T)
inlinestatic

Definition at line 2067 of file ExprCXX.h.

Expr* clang::CXXPseudoDestructorExpr::getBase ( ) const
inline

Definition at line 1984 of file ExprCXX.h.

SourceLocation clang::CXXPseudoDestructorExpr::getColonColonLoc ( ) const
inline

Retrieve the location of the '::' in a qualified pseudo-destructor expression.

Definition at line 2022 of file ExprCXX.h.

QualType CXXPseudoDestructorExpr::getDestroyedType ( ) const

Retrieve the type being destroyed.

Definition at line 270 of file ExprCXX.cpp.

References clang::PseudoDestructorTypeStorage::getTypeSourceInfo().

IdentifierInfo* clang::CXXPseudoDestructorExpr::getDestroyedTypeIdentifier ( ) const
inline

In a dependent pseudo-destructor expression for which we do not have full type information on the destroyed type, provides the name of the destroyed type.

Definition at line 2041 of file ExprCXX.h.

References clang::PseudoDestructorTypeStorage::getIdentifier().

TypeSourceInfo* clang::CXXPseudoDestructorExpr::getDestroyedTypeInfo ( ) const
inline

Retrieve the source location information for the type being destroyed.

This type-source information is available for non-dependent pseudo-destructor expressions and some dependent pseudo-destructor expressions. Returns null if we only have the identifier for a dependent pseudo-destructor expression.

Definition at line 2034 of file ExprCXX.h.

References clang::PseudoDestructorTypeStorage::getTypeSourceInfo().

SourceLocation clang::CXXPseudoDestructorExpr::getDestroyedTypeLoc ( ) const
inline

Retrieve the starting location of the type being destroyed.

Definition at line 2049 of file ExprCXX.h.

References clang::PseudoDestructorTypeStorage::getLocation().

SourceLocation CXXPseudoDestructorExpr::getLocEnd ( ) const
SourceLocation clang::CXXPseudoDestructorExpr::getLocStart ( ) const
inline

Definition at line 2064 of file ExprCXX.h.

SourceLocation clang::CXXPseudoDestructorExpr::getOperatorLoc ( ) const
inline

Retrieve the location of the '.' or '->' operator.

Definition at line 2007 of file ExprCXX.h.

NestedNameSpecifier* clang::CXXPseudoDestructorExpr::getQualifier ( ) const
inline

If the member name was qualified, retrieves the nested-name-specifier that precedes the member name. Otherwise, returns null.

Definition at line 1998 of file ExprCXX.h.

References clang::NestedNameSpecifierLoc::getNestedNameSpecifier().

NestedNameSpecifierLoc clang::CXXPseudoDestructorExpr::getQualifierLoc ( ) const
inline

Retrieves the nested-name-specifier that qualifies the type name, with source-location information.

Definition at line 1993 of file ExprCXX.h.

TypeSourceInfo* clang::CXXPseudoDestructorExpr::getScopeTypeInfo ( ) const
inline

Retrieve the scope type in a qualified pseudo-destructor expression.

Pseudo-destructor expressions can have extra qualification within them that is not part of the nested-name-specifier, e.g., p->T::~T(). Here, if the object type of the expression is (or may be) a scalar type, T may also be a scalar type and, therefore, cannot be part of a nested-name-specifier. It is stored as the "scope type" of the pseudo- destructor expression.

Definition at line 2018 of file ExprCXX.h.

SourceLocation clang::CXXPseudoDestructorExpr::getTildeLoc ( ) const
inline

Retrieve the location of the '~'.

Definition at line 2025 of file ExprCXX.h.

bool clang::CXXPseudoDestructorExpr::hasQualifier ( ) const
inline

Determines whether this member expression actually had a C++ nested-name-specifier prior to the name of the member, e.g., x->Base::foo.

Definition at line 1989 of file ExprCXX.h.

References clang::NestedNameSpecifierLoc::hasQualifier().

bool clang::CXXPseudoDestructorExpr::isArrow ( ) const
inline

Determine whether this pseudo-destructor expression was written using an '->' (otherwise, it used a '.').

Definition at line 2004 of file ExprCXX.h.

void clang::CXXPseudoDestructorExpr::setDestroyedType ( IdentifierInfo II,
SourceLocation  Loc 
)
inline

Set the name of destroyed type for a dependent pseudo-destructor expression.

Definition at line 2055 of file ExprCXX.h.

void clang::CXXPseudoDestructorExpr::setDestroyedType ( TypeSourceInfo Info)
inline

Set the destroyed type.

Definition at line 2060 of file ExprCXX.h.

Friends And Related Function Documentation

friend class ASTStmtReader
friend

Definition at line 1969 of file ExprCXX.h.


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