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

A type trait used in the implementation of various C++11 and Library TR1 trait templates. More...

#include <ExprCXX.h>

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

typedef TypeSourceInfo ** arg_iterator
 
typedef TypeSourceInfo const
*const * 
arg_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

TypeTrait getTrait () const
 Determine which type trait this expression uses. More...
 
bool getValue () const
 
unsigned getNumArgs () const
 Determine the number of arguments to this type trait. More...
 
TypeSourceInfogetArg (unsigned I) const
 Retrieve the Ith argument. More...
 
ArrayRef< TypeSourceInfo * > getArgs () const
 Retrieve the argument types. More...
 
arg_iterator arg_begin ()
 
arg_iterator arg_end ()
 
arg_const_iterator arg_begin () const
 
arg_const_iterator arg_end () const
 
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 TypeTraitExprCreate (const ASTContext &C, QualType T, SourceLocation Loc, TypeTrait Kind, ArrayRef< TypeSourceInfo * > Args, SourceLocation RParenLoc, bool Value)
 Create a new type trait expression. More...
 
static TypeTraitExprCreateDeserialized (const ASTContext &C, unsigned NumArgs)
 
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
 
class ASTStmtWriter
 

Additional Inherited Members

- 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

A type trait used in the implementation of various C++11 and Library TR1 trait templates.

__is_pod(int) == true
__is_enum(std::string) == false
__is_trivially_constructible(vector<int>, int*, int*)

Definition at line 2083 of file ExprCXX.h.

Member Typedef Documentation

Definition at line 2153 of file ExprCXX.h.

Definition at line 2145 of file ExprCXX.h.

Member Function Documentation

arg_iterator clang::TypeTraitExpr::arg_begin ( )
inline

Definition at line 2146 of file ExprCXX.h.

arg_const_iterator clang::TypeTraitExpr::arg_begin ( ) const
inline

Definition at line 2154 of file ExprCXX.h.

arg_iterator clang::TypeTraitExpr::arg_end ( )
inline

Definition at line 2149 of file ExprCXX.h.

References getNumArgs().

arg_const_iterator clang::TypeTraitExpr::arg_end ( ) const
inline

Definition at line 2155 of file ExprCXX.h.

References getNumArgs().

child_range clang::TypeTraitExpr::children ( )
inline

Definition at line 2167 of file ExprCXX.h.

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

Definition at line 2162 of file ExprCXX.h.

TypeTraitExpr * TypeTraitExpr::Create ( const ASTContext C,
QualType  T,
SourceLocation  Loc,
TypeTrait  Kind,
ArrayRef< TypeSourceInfo * >  Args,
SourceLocation  RParenLoc,
bool  Value 
)
static

Create a new type trait expression.

Definition at line 1522 of file ExprCXX.cpp.

References clang::ASTContext::Allocate().

Referenced by clang::Sema::BuildTypeTrait().

TypeTraitExpr * TypeTraitExpr::CreateDeserialized ( const ASTContext C,
unsigned  NumArgs 
)
static

Definition at line 1533 of file ExprCXX.cpp.

References clang::ASTContext::Allocate().

TypeSourceInfo* clang::TypeTraitExpr::getArg ( unsigned  I) const
inline

Retrieve the Ith argument.

Definition at line 2135 of file ExprCXX.h.

References getArgs(), and getNumArgs().

ArrayRef<TypeSourceInfo *> clang::TypeTraitExpr::getArgs ( ) const
inline

Retrieve the argument types.

Definition at line 2141 of file ExprCXX.h.

References getNumArgs().

Referenced by getArg().

SourceLocation clang::TypeTraitExpr::getLocEnd ( ) const
inline

Definition at line 2160 of file ExprCXX.h.

SourceLocation clang::TypeTraitExpr::getLocStart ( ) const
inline

Definition at line 2159 of file ExprCXX.h.

unsigned clang::TypeTraitExpr::getNumArgs ( ) const
inline

Determine the number of arguments to this type trait.

Definition at line 2132 of file ExprCXX.h.

Referenced by arg_end(), getArg(), and getArgs().

TypeTrait clang::TypeTraitExpr::getTrait ( ) const
inline

Determine which type trait this expression uses.

Definition at line 2122 of file ExprCXX.h.

bool clang::TypeTraitExpr::getValue ( ) const
inline

Definition at line 2126 of file ExprCXX.h.

References clang::Expr::isValueDependent().

Friends And Related Function Documentation

friend class ASTStmtReader
friend

Definition at line 2169 of file ExprCXX.h.

friend class ASTStmtWriter
friend

Definition at line 2170 of file ExprCXX.h.


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