clang  3.7.0
Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | List of all members
clang::CastExpr Class Reference

#include <Expr.h>

Inheritance diagram for clang::CastExpr:
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Collaboration diagram for clang::CastExpr:
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Public Types

typedef CXXBaseSpecifier ** path_iterator
 
typedef const CXXBaseSpecifier
*const * 
path_const_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_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...
 

Public Member Functions

CastKind getCastKind () const
 
void setCastKind (CastKind K)
 
const char * getCastKindName () const
 
ExprgetSubExpr ()
 
const ExprgetSubExpr () const
 
void setSubExpr (Expr *E)
 
ExprgetSubExprAsWritten ()
 Retrieve the cast subexpression as it was written in the source code, looking through any implicit casts or other intermediate nodes introduced by semantic analysis. More...
 
const ExprgetSubExprAsWritten () const
 
bool path_empty () const
 
unsigned path_size () const
 
path_iterator path_begin ()
 
path_iterator path_end ()
 
path_const_iterator path_begin () const
 
path_const_iterator path_end () const
 
void setCastPath (const CXXCastPath &Path)
 
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)
 

Protected Member Functions

 CastExpr (StmtClass SC, QualType ty, ExprValueKind VK, const CastKind kind, Expr *op, unsigned BasePathSize)
 
 CastExpr (StmtClass SC, EmptyShell Empty, unsigned BasePathSize)
 Construct an empty cast. 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

CastExpr - Base class for type casts, including both implicit casts (ImplicitCastExpr) and explicit casts that have some representation in the source code (ExplicitCastExpr's derived classes).

Definition at line 2661 of file Expr.h.

Member Typedef Documentation

Definition at line 2726 of file Expr.h.

Definition at line 2725 of file Expr.h.

Constructor & Destructor Documentation

clang::CastExpr::CastExpr ( StmtClass  SC,
QualType  ty,
ExprValueKind  VK,
const CastKind  kind,
Expr op,
unsigned  BasePathSize 
)
inlineprotected

Definition at line 2679 of file Expr.h.

References clang::CK_Invalid.

clang::CastExpr::CastExpr ( StmtClass  SC,
EmptyShell  Empty,
unsigned  BasePathSize 
)
inlineprotected

Construct an empty cast.

Definition at line 2703 of file Expr.h.

Member Function Documentation

child_range clang::CastExpr::children ( )
inline

Definition at line 2742 of file Expr.h.

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

Definition at line 2736 of file Expr.h.

CastKind clang::CastExpr::getCastKind ( ) const
inline
const char * CastExpr::getCastKindName ( ) const

Definition at line 1573 of file Expr.cpp.

References clang::CK_AddressSpaceConversion, clang::CK_AnyPointerToBlockPointerCast, clang::CK_ARCConsumeObject, clang::CK_ARCExtendBlockObject, clang::CK_ARCProduceObject, clang::CK_ARCReclaimReturnedObject, clang::CK_ArrayToPointerDecay, clang::CK_AtomicToNonAtomic, clang::CK_BaseToDerived, clang::CK_BaseToDerivedMemberPointer, clang::CK_BitCast, clang::CK_BlockPointerToObjCPointerCast, clang::CK_BuiltinFnToFnPtr, clang::CK_ConstructorConversion, clang::CK_CopyAndAutoreleaseBlockObject, clang::CK_CPointerToObjCPointerCast, clang::CK_Dependent, clang::CK_DerivedToBase, clang::CK_DerivedToBaseMemberPointer, clang::CK_Dynamic, clang::CK_FloatingCast, clang::CK_FloatingComplexCast, clang::CK_FloatingComplexToBoolean, clang::CK_FloatingComplexToIntegralComplex, clang::CK_FloatingComplexToReal, clang::CK_FloatingRealToComplex, clang::CK_FloatingToBoolean, clang::CK_FloatingToIntegral, clang::CK_FunctionToPointerDecay, clang::CK_IntegralCast, clang::CK_IntegralComplexCast, clang::CK_IntegralComplexToBoolean, clang::CK_IntegralComplexToFloatingComplex, clang::CK_IntegralComplexToReal, clang::CK_IntegralRealToComplex, clang::CK_IntegralToBoolean, clang::CK_IntegralToFloating, clang::CK_IntegralToPointer, clang::CK_LValueBitCast, clang::CK_LValueToRValue, clang::CK_MemberPointerToBoolean, clang::CK_NonAtomicToAtomic, clang::CK_NoOp, clang::CK_NullToMemberPointer, clang::CK_NullToPointer, clang::CK_ObjCObjectLValueCast, clang::CK_PointerToBoolean, clang::CK_PointerToIntegral, clang::CK_ReinterpretMemberPointer, clang::CK_ToUnion, clang::CK_ToVoid, clang::CK_UncheckedDerivedToBase, clang::CK_UserDefinedConversion, clang::CK_VectorSplat, clang::CK_ZeroToOCLEvent, and getCastKind().

Expr* clang::CastExpr::getSubExpr ( )
inline
const Expr* clang::CastExpr::getSubExpr ( ) const
inline

Definition at line 2714 of file Expr.h.

Expr * CastExpr::getSubExprAsWritten ( )

Retrieve the cast subexpression as it was written in the source code, looking through any implicit casts or other intermediate nodes introduced by semantic analysis.

Definition at line 1690 of file Expr.cpp.

References clang::CK_ConstructorConversion, clang::CK_UserDefinedConversion, getCastKind(), and getSubExpr().

Referenced by getSubExprAsWritten(), and clang::TreeTransform< Derived >::TransformCXXNamedCastExpr().

const Expr* clang::CastExpr::getSubExprAsWritten ( ) const
inline

Definition at line 2721 of file Expr.h.

References getSubExprAsWritten().

path_iterator clang::CastExpr::path_begin ( )
inline
path_const_iterator clang::CastExpr::path_begin ( ) const
inline

Definition at line 2731 of file Expr.h.

bool clang::CastExpr::path_empty ( ) const
inline

Definition at line 2727 of file Expr.h.

Referenced by dumpBasePath(), and ImportCastPath().

path_iterator clang::CastExpr::path_end ( )
inline
path_const_iterator clang::CastExpr::path_end ( ) const
inline

Definition at line 2732 of file Expr.h.

References path_size().

unsigned clang::CastExpr::path_size ( ) const
inline

Definition at line 2728 of file Expr.h.

Referenced by HandleBaseToDerivedCast(), path_end(), and setCastPath().

void clang::CastExpr::setCastKind ( CastKind  K)
inline

Definition at line 2710 of file Expr.h.

void CastExpr::setCastPath ( const CXXCastPath Path)
void clang::CastExpr::setSubExpr ( Expr E)
inline

Definition at line 2715 of file Expr.h.


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