You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1434 lines
58 KiB
1434 lines
58 KiB
//===--- ExprCXX.cpp - (C++) Expression AST Node Implementation -----------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the subclesses of Expr class declared in ExprCXX.h
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang/AST/ASTContext.h"
|
|
#include "clang/AST/Attr.h"
|
|
#include "clang/AST/DeclCXX.h"
|
|
#include "clang/AST/DeclTemplate.h"
|
|
#include "clang/AST/ExprCXX.h"
|
|
#include "clang/AST/TypeLoc.h"
|
|
#include "clang/Basic/IdentifierTable.h"
|
|
using namespace clang;
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Child Iterators for iterating over subexpressions/substatements
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
bool CXXTypeidExpr::isPotentiallyEvaluated() const {
|
|
if (isTypeOperand())
|
|
return false;
|
|
|
|
// C++11 [expr.typeid]p3:
|
|
// When typeid is applied to an expression other than a glvalue of
|
|
// polymorphic class type, [...] the expression is an unevaluated operand.
|
|
const Expr *E = getExprOperand();
|
|
if (const CXXRecordDecl *RD = E->getType()->getAsCXXRecordDecl())
|
|
if (RD->isPolymorphic() && E->isGLValue())
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
QualType CXXTypeidExpr::getTypeOperand(ASTContext &Context) const {
|
|
assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)");
|
|
Qualifiers Quals;
|
|
return Context.getUnqualifiedArrayType(
|
|
Operand.get<TypeSourceInfo *>()->getType().getNonReferenceType(), Quals);
|
|
}
|
|
|
|
QualType CXXUuidofExpr::getTypeOperand(ASTContext &Context) const {
|
|
assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)");
|
|
Qualifiers Quals;
|
|
return Context.getUnqualifiedArrayType(
|
|
Operand.get<TypeSourceInfo *>()->getType().getNonReferenceType(), Quals);
|
|
}
|
|
|
|
// CXXScalarValueInitExpr
|
|
SourceLocation CXXScalarValueInitExpr::getLocStart() const {
|
|
return TypeInfo ? TypeInfo->getTypeLoc().getBeginLoc() : RParenLoc;
|
|
}
|
|
|
|
// CXXNewExpr
|
|
CXXNewExpr::CXXNewExpr(const ASTContext &C, bool globalNew,
|
|
FunctionDecl *operatorNew, FunctionDecl *operatorDelete,
|
|
bool usualArrayDeleteWantsSize,
|
|
ArrayRef<Expr*> placementArgs,
|
|
SourceRange typeIdParens, Expr *arraySize,
|
|
InitializationStyle initializationStyle,
|
|
Expr *initializer, QualType ty,
|
|
TypeSourceInfo *allocatedTypeInfo,
|
|
SourceRange Range, SourceRange directInitRange)
|
|
: Expr(CXXNewExprClass, ty, VK_RValue, OK_Ordinary,
|
|
ty->isDependentType(), ty->isDependentType(),
|
|
ty->isInstantiationDependentType(),
|
|
ty->containsUnexpandedParameterPack()),
|
|
SubExprs(nullptr), OperatorNew(operatorNew), OperatorDelete(operatorDelete),
|
|
AllocatedTypeInfo(allocatedTypeInfo), TypeIdParens(typeIdParens),
|
|
Range(Range), DirectInitRange(directInitRange),
|
|
GlobalNew(globalNew), UsualArrayDeleteWantsSize(usualArrayDeleteWantsSize) {
|
|
assert((initializer != nullptr || initializationStyle == NoInit) &&
|
|
"Only NoInit can have no initializer.");
|
|
StoredInitializationStyle = initializer ? initializationStyle + 1 : 0;
|
|
AllocateArgsArray(C, arraySize != nullptr, placementArgs.size(),
|
|
initializer != nullptr);
|
|
unsigned i = 0;
|
|
if (Array) {
|
|
if (arraySize->isInstantiationDependent())
|
|
ExprBits.InstantiationDependent = true;
|
|
|
|
if (arraySize->containsUnexpandedParameterPack())
|
|
ExprBits.ContainsUnexpandedParameterPack = true;
|
|
|
|
SubExprs[i++] = arraySize;
|
|
}
|
|
|
|
if (initializer) {
|
|
if (initializer->isInstantiationDependent())
|
|
ExprBits.InstantiationDependent = true;
|
|
|
|
if (initializer->containsUnexpandedParameterPack())
|
|
ExprBits.ContainsUnexpandedParameterPack = true;
|
|
|
|
SubExprs[i++] = initializer;
|
|
}
|
|
|
|
for (unsigned j = 0; j != placementArgs.size(); ++j) {
|
|
if (placementArgs[j]->isInstantiationDependent())
|
|
ExprBits.InstantiationDependent = true;
|
|
if (placementArgs[j]->containsUnexpandedParameterPack())
|
|
ExprBits.ContainsUnexpandedParameterPack = true;
|
|
|
|
SubExprs[i++] = placementArgs[j];
|
|
}
|
|
|
|
switch (getInitializationStyle()) {
|
|
case CallInit:
|
|
this->Range.setEnd(DirectInitRange.getEnd()); break;
|
|
case ListInit:
|
|
this->Range.setEnd(getInitializer()->getSourceRange().getEnd()); break;
|
|
default:
|
|
if (TypeIdParens.isValid())
|
|
this->Range.setEnd(TypeIdParens.getEnd());
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CXXNewExpr::AllocateArgsArray(const ASTContext &C, bool isArray,
|
|
unsigned numPlaceArgs, bool hasInitializer){
|
|
assert(SubExprs == nullptr && "SubExprs already allocated");
|
|
Array = isArray;
|
|
NumPlacementArgs = numPlaceArgs;
|
|
|
|
unsigned TotalSize = Array + hasInitializer + NumPlacementArgs;
|
|
SubExprs = new (C) Stmt*[TotalSize];
|
|
}
|
|
|
|
bool CXXNewExpr::shouldNullCheckAllocation(const ASTContext &Ctx) const {
|
|
return getOperatorNew()->getType()->castAs<FunctionProtoType>()->isNothrow(
|
|
Ctx) &&
|
|
!getOperatorNew()->isReservedGlobalPlacementOperator();
|
|
}
|
|
|
|
// CXXDeleteExpr
|
|
QualType CXXDeleteExpr::getDestroyedType() const {
|
|
const Expr *Arg = getArgument();
|
|
// The type-to-delete may not be a pointer if it's a dependent type.
|
|
const QualType ArgType = Arg->getType();
|
|
|
|
if (ArgType->isDependentType() && !ArgType->isPointerType())
|
|
return QualType();
|
|
|
|
return ArgType->getAs<PointerType>()->getPointeeType();
|
|
}
|
|
|
|
// CXXPseudoDestructorExpr
|
|
PseudoDestructorTypeStorage::PseudoDestructorTypeStorage(TypeSourceInfo *Info)
|
|
: Type(Info)
|
|
{
|
|
Location = Info->getTypeLoc().getLocalSourceRange().getBegin();
|
|
}
|
|
|
|
CXXPseudoDestructorExpr::CXXPseudoDestructorExpr(const ASTContext &Context,
|
|
Expr *Base, bool isArrow, SourceLocation OperatorLoc,
|
|
NestedNameSpecifierLoc QualifierLoc, TypeSourceInfo *ScopeType,
|
|
SourceLocation ColonColonLoc, SourceLocation TildeLoc,
|
|
PseudoDestructorTypeStorage DestroyedType)
|
|
: Expr(CXXPseudoDestructorExprClass,
|
|
Context.BoundMemberTy,
|
|
VK_RValue, OK_Ordinary,
|
|
/*isTypeDependent=*/(Base->isTypeDependent() ||
|
|
(DestroyedType.getTypeSourceInfo() &&
|
|
DestroyedType.getTypeSourceInfo()->getType()->isDependentType())),
|
|
/*isValueDependent=*/Base->isValueDependent(),
|
|
(Base->isInstantiationDependent() ||
|
|
(QualifierLoc &&
|
|
QualifierLoc.getNestedNameSpecifier()->isInstantiationDependent()) ||
|
|
(ScopeType &&
|
|
ScopeType->getType()->isInstantiationDependentType()) ||
|
|
(DestroyedType.getTypeSourceInfo() &&
|
|
DestroyedType.getTypeSourceInfo()->getType()
|
|
->isInstantiationDependentType())),
|
|
// ContainsUnexpandedParameterPack
|
|
(Base->containsUnexpandedParameterPack() ||
|
|
(QualifierLoc &&
|
|
QualifierLoc.getNestedNameSpecifier()
|
|
->containsUnexpandedParameterPack()) ||
|
|
(ScopeType &&
|
|
ScopeType->getType()->containsUnexpandedParameterPack()) ||
|
|
(DestroyedType.getTypeSourceInfo() &&
|
|
DestroyedType.getTypeSourceInfo()->getType()
|
|
->containsUnexpandedParameterPack()))),
|
|
Base(static_cast<Stmt *>(Base)), IsArrow(isArrow),
|
|
OperatorLoc(OperatorLoc), QualifierLoc(QualifierLoc),
|
|
ScopeType(ScopeType), ColonColonLoc(ColonColonLoc), TildeLoc(TildeLoc),
|
|
DestroyedType(DestroyedType) { }
|
|
|
|
QualType CXXPseudoDestructorExpr::getDestroyedType() const {
|
|
if (TypeSourceInfo *TInfo = DestroyedType.getTypeSourceInfo())
|
|
return TInfo->getType();
|
|
|
|
return QualType();
|
|
}
|
|
|
|
SourceLocation CXXPseudoDestructorExpr::getLocEnd() const {
|
|
SourceLocation End = DestroyedType.getLocation();
|
|
if (TypeSourceInfo *TInfo = DestroyedType.getTypeSourceInfo())
|
|
End = TInfo->getTypeLoc().getLocalSourceRange().getEnd();
|
|
return End;
|
|
}
|
|
|
|
// UnresolvedLookupExpr
|
|
UnresolvedLookupExpr *
|
|
UnresolvedLookupExpr::Create(const ASTContext &C,
|
|
CXXRecordDecl *NamingClass,
|
|
NestedNameSpecifierLoc QualifierLoc,
|
|
SourceLocation TemplateKWLoc,
|
|
const DeclarationNameInfo &NameInfo,
|
|
bool ADL,
|
|
const TemplateArgumentListInfo *Args,
|
|
UnresolvedSetIterator Begin,
|
|
UnresolvedSetIterator End)
|
|
{
|
|
assert(Args || TemplateKWLoc.isValid());
|
|
unsigned num_args = Args ? Args->size() : 0;
|
|
|
|
std::size_t Size =
|
|
totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(1,
|
|
num_args);
|
|
void *Mem = C.Allocate(Size, llvm::alignOf<UnresolvedLookupExpr>());
|
|
return new (Mem) UnresolvedLookupExpr(C, NamingClass, QualifierLoc,
|
|
TemplateKWLoc, NameInfo,
|
|
ADL, /*Overload*/ true, Args,
|
|
Begin, End);
|
|
}
|
|
|
|
UnresolvedLookupExpr *
|
|
UnresolvedLookupExpr::CreateEmpty(const ASTContext &C,
|
|
bool HasTemplateKWAndArgsInfo,
|
|
unsigned NumTemplateArgs) {
|
|
assert(NumTemplateArgs == 0 || HasTemplateKWAndArgsInfo);
|
|
std::size_t Size =
|
|
totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(
|
|
HasTemplateKWAndArgsInfo, NumTemplateArgs);
|
|
void *Mem = C.Allocate(Size, llvm::alignOf<UnresolvedLookupExpr>());
|
|
UnresolvedLookupExpr *E = new (Mem) UnresolvedLookupExpr(EmptyShell());
|
|
E->HasTemplateKWAndArgsInfo = HasTemplateKWAndArgsInfo;
|
|
return E;
|
|
}
|
|
|
|
OverloadExpr::OverloadExpr(StmtClass K, const ASTContext &C,
|
|
NestedNameSpecifierLoc QualifierLoc,
|
|
SourceLocation TemplateKWLoc,
|
|
const DeclarationNameInfo &NameInfo,
|
|
const TemplateArgumentListInfo *TemplateArgs,
|
|
UnresolvedSetIterator Begin,
|
|
UnresolvedSetIterator End,
|
|
bool KnownDependent,
|
|
bool KnownInstantiationDependent,
|
|
bool KnownContainsUnexpandedParameterPack)
|
|
: Expr(K, C.OverloadTy, VK_LValue, OK_Ordinary, KnownDependent,
|
|
KnownDependent,
|
|
(KnownInstantiationDependent ||
|
|
NameInfo.isInstantiationDependent() ||
|
|
(QualifierLoc &&
|
|
QualifierLoc.getNestedNameSpecifier()->isInstantiationDependent())),
|
|
(KnownContainsUnexpandedParameterPack ||
|
|
NameInfo.containsUnexpandedParameterPack() ||
|
|
(QualifierLoc &&
|
|
QualifierLoc.getNestedNameSpecifier()
|
|
->containsUnexpandedParameterPack()))),
|
|
NameInfo(NameInfo), QualifierLoc(QualifierLoc),
|
|
Results(nullptr), NumResults(End - Begin),
|
|
HasTemplateKWAndArgsInfo(TemplateArgs != nullptr ||
|
|
TemplateKWLoc.isValid()) {
|
|
NumResults = End - Begin;
|
|
if (NumResults) {
|
|
// Determine whether this expression is type-dependent.
|
|
for (UnresolvedSetImpl::const_iterator I = Begin; I != End; ++I) {
|
|
if ((*I)->getDeclContext()->isDependentContext() ||
|
|
isa<UnresolvedUsingValueDecl>(*I)) {
|
|
ExprBits.TypeDependent = true;
|
|
ExprBits.ValueDependent = true;
|
|
ExprBits.InstantiationDependent = true;
|
|
}
|
|
}
|
|
|
|
Results = static_cast<DeclAccessPair *>(
|
|
C.Allocate(sizeof(DeclAccessPair) * NumResults,
|
|
llvm::alignOf<DeclAccessPair>()));
|
|
memcpy(Results, Begin.I, NumResults * sizeof(DeclAccessPair));
|
|
}
|
|
|
|
// If we have explicit template arguments, check for dependent
|
|
// template arguments and whether they contain any unexpanded pack
|
|
// expansions.
|
|
if (TemplateArgs) {
|
|
bool Dependent = false;
|
|
bool InstantiationDependent = false;
|
|
bool ContainsUnexpandedParameterPack = false;
|
|
getTrailingASTTemplateKWAndArgsInfo()->initializeFrom(
|
|
TemplateKWLoc, *TemplateArgs, getTrailingTemplateArgumentLoc(),
|
|
Dependent, InstantiationDependent, ContainsUnexpandedParameterPack);
|
|
|
|
if (Dependent) {
|
|
ExprBits.TypeDependent = true;
|
|
ExprBits.ValueDependent = true;
|
|
}
|
|
if (InstantiationDependent)
|
|
ExprBits.InstantiationDependent = true;
|
|
if (ContainsUnexpandedParameterPack)
|
|
ExprBits.ContainsUnexpandedParameterPack = true;
|
|
} else if (TemplateKWLoc.isValid()) {
|
|
getTrailingASTTemplateKWAndArgsInfo()->initializeFrom(TemplateKWLoc);
|
|
}
|
|
|
|
if (isTypeDependent())
|
|
setType(C.DependentTy);
|
|
}
|
|
|
|
void OverloadExpr::initializeResults(const ASTContext &C,
|
|
UnresolvedSetIterator Begin,
|
|
UnresolvedSetIterator End) {
|
|
assert(!Results && "Results already initialized!");
|
|
NumResults = End - Begin;
|
|
if (NumResults) {
|
|
Results = static_cast<DeclAccessPair *>(
|
|
C.Allocate(sizeof(DeclAccessPair) * NumResults,
|
|
|
|
llvm::alignOf<DeclAccessPair>()));
|
|
memcpy(Results, Begin.I, NumResults * sizeof(DeclAccessPair));
|
|
}
|
|
}
|
|
|
|
CXXRecordDecl *OverloadExpr::getNamingClass() const {
|
|
if (isa<UnresolvedLookupExpr>(this))
|
|
return cast<UnresolvedLookupExpr>(this)->getNamingClass();
|
|
else
|
|
return cast<UnresolvedMemberExpr>(this)->getNamingClass();
|
|
}
|
|
|
|
// DependentScopeDeclRefExpr
|
|
DependentScopeDeclRefExpr::DependentScopeDeclRefExpr(QualType T,
|
|
NestedNameSpecifierLoc QualifierLoc,
|
|
SourceLocation TemplateKWLoc,
|
|
const DeclarationNameInfo &NameInfo,
|
|
const TemplateArgumentListInfo *Args)
|
|
: Expr(DependentScopeDeclRefExprClass, T, VK_LValue, OK_Ordinary,
|
|
true, true,
|
|
(NameInfo.isInstantiationDependent() ||
|
|
(QualifierLoc &&
|
|
QualifierLoc.getNestedNameSpecifier()->isInstantiationDependent())),
|
|
(NameInfo.containsUnexpandedParameterPack() ||
|
|
(QualifierLoc &&
|
|
QualifierLoc.getNestedNameSpecifier()
|
|
->containsUnexpandedParameterPack()))),
|
|
QualifierLoc(QualifierLoc), NameInfo(NameInfo),
|
|
HasTemplateKWAndArgsInfo(Args != nullptr || TemplateKWLoc.isValid())
|
|
{
|
|
if (Args) {
|
|
bool Dependent = true;
|
|
bool InstantiationDependent = true;
|
|
bool ContainsUnexpandedParameterPack
|
|
= ExprBits.ContainsUnexpandedParameterPack;
|
|
getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom(
|
|
TemplateKWLoc, *Args, getTrailingObjects<TemplateArgumentLoc>(),
|
|
Dependent, InstantiationDependent, ContainsUnexpandedParameterPack);
|
|
ExprBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack;
|
|
} else if (TemplateKWLoc.isValid()) {
|
|
getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom(
|
|
TemplateKWLoc);
|
|
}
|
|
}
|
|
|
|
DependentScopeDeclRefExpr *
|
|
DependentScopeDeclRefExpr::Create(const ASTContext &C,
|
|
NestedNameSpecifierLoc QualifierLoc,
|
|
SourceLocation TemplateKWLoc,
|
|
const DeclarationNameInfo &NameInfo,
|
|
const TemplateArgumentListInfo *Args) {
|
|
assert(QualifierLoc && "should be created for dependent qualifiers");
|
|
bool HasTemplateKWAndArgsInfo = Args || TemplateKWLoc.isValid();
|
|
std::size_t Size =
|
|
totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(
|
|
HasTemplateKWAndArgsInfo, Args ? Args->size() : 0);
|
|
void *Mem = C.Allocate(Size);
|
|
return new (Mem) DependentScopeDeclRefExpr(C.DependentTy, QualifierLoc,
|
|
TemplateKWLoc, NameInfo, Args);
|
|
}
|
|
|
|
DependentScopeDeclRefExpr *
|
|
DependentScopeDeclRefExpr::CreateEmpty(const ASTContext &C,
|
|
bool HasTemplateKWAndArgsInfo,
|
|
unsigned NumTemplateArgs) {
|
|
assert(NumTemplateArgs == 0 || HasTemplateKWAndArgsInfo);
|
|
std::size_t Size =
|
|
totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(
|
|
HasTemplateKWAndArgsInfo, NumTemplateArgs);
|
|
void *Mem = C.Allocate(Size);
|
|
DependentScopeDeclRefExpr *E
|
|
= new (Mem) DependentScopeDeclRefExpr(QualType(), NestedNameSpecifierLoc(),
|
|
SourceLocation(),
|
|
DeclarationNameInfo(), nullptr);
|
|
E->HasTemplateKWAndArgsInfo = HasTemplateKWAndArgsInfo;
|
|
return E;
|
|
}
|
|
|
|
SourceLocation CXXConstructExpr::getLocStart() const {
|
|
if (isa<CXXTemporaryObjectExpr>(this))
|
|
return cast<CXXTemporaryObjectExpr>(this)->getLocStart();
|
|
return Loc;
|
|
}
|
|
|
|
SourceLocation CXXConstructExpr::getLocEnd() const {
|
|
if (isa<CXXTemporaryObjectExpr>(this))
|
|
return cast<CXXTemporaryObjectExpr>(this)->getLocEnd();
|
|
|
|
if (ParenOrBraceRange.isValid())
|
|
return ParenOrBraceRange.getEnd();
|
|
|
|
SourceLocation End = Loc;
|
|
for (unsigned I = getNumArgs(); I > 0; --I) {
|
|
const Expr *Arg = getArg(I-1);
|
|
if (!Arg->isDefaultArgument()) {
|
|
SourceLocation NewEnd = Arg->getLocEnd();
|
|
if (NewEnd.isValid()) {
|
|
End = NewEnd;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return End;
|
|
}
|
|
|
|
SourceRange CXXOperatorCallExpr::getSourceRangeImpl() const {
|
|
OverloadedOperatorKind Kind = getOperator();
|
|
if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
|
|
if (getNumArgs() == 1)
|
|
// Prefix operator
|
|
return SourceRange(getOperatorLoc(), getArg(0)->getLocEnd());
|
|
else
|
|
// Postfix operator
|
|
return SourceRange(getArg(0)->getLocStart(), getOperatorLoc());
|
|
} else if (Kind == OO_Arrow) {
|
|
return getArg(0)->getSourceRange();
|
|
} else if (Kind == OO_Call) {
|
|
return SourceRange(getArg(0)->getLocStart(), getRParenLoc());
|
|
} else if (Kind == OO_Subscript) {
|
|
return SourceRange(getArg(0)->getLocStart(), getRParenLoc());
|
|
} else if (getNumArgs() == 1) {
|
|
return SourceRange(getOperatorLoc(), getArg(0)->getLocEnd());
|
|
} else if (getNumArgs() == 2) {
|
|
return SourceRange(getArg(0)->getLocStart(), getArg(1)->getLocEnd());
|
|
} else {
|
|
return getOperatorLoc();
|
|
}
|
|
}
|
|
|
|
Expr *CXXMemberCallExpr::getImplicitObjectArgument() const {
|
|
const Expr *Callee = getCallee()->IgnoreParens();
|
|
if (const MemberExpr *MemExpr = dyn_cast<MemberExpr>(Callee))
|
|
return MemExpr->getBase();
|
|
if (const BinaryOperator *BO = dyn_cast<BinaryOperator>(Callee))
|
|
if (BO->getOpcode() == BO_PtrMemD || BO->getOpcode() == BO_PtrMemI)
|
|
return BO->getLHS();
|
|
|
|
// FIXME: Will eventually need to cope with member pointers.
|
|
return nullptr;
|
|
}
|
|
|
|
CXXMethodDecl *CXXMemberCallExpr::getMethodDecl() const {
|
|
if (const MemberExpr *MemExpr =
|
|
dyn_cast<MemberExpr>(getCallee()->IgnoreParens()))
|
|
return cast<CXXMethodDecl>(MemExpr->getMemberDecl());
|
|
|
|
// FIXME: Will eventually need to cope with member pointers.
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
CXXRecordDecl *CXXMemberCallExpr::getRecordDecl() const {
|
|
Expr* ThisArg = getImplicitObjectArgument();
|
|
if (!ThisArg)
|
|
return nullptr;
|
|
|
|
if (ThisArg->getType()->isAnyPointerType())
|
|
return ThisArg->getType()->getPointeeType()->getAsCXXRecordDecl();
|
|
|
|
return ThisArg->getType()->getAsCXXRecordDecl();
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Named casts
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
/// getCastName - Get the name of the C++ cast being used, e.g.,
|
|
/// "static_cast", "dynamic_cast", "reinterpret_cast", or
|
|
/// "const_cast". The returned pointer must not be freed.
|
|
const char *CXXNamedCastExpr::getCastName() const {
|
|
switch (getStmtClass()) {
|
|
case CXXStaticCastExprClass: return "static_cast";
|
|
case CXXDynamicCastExprClass: return "dynamic_cast";
|
|
case CXXReinterpretCastExprClass: return "reinterpret_cast";
|
|
case CXXConstCastExprClass: return "const_cast";
|
|
default: return "<invalid cast>";
|
|
}
|
|
}
|
|
|
|
CXXStaticCastExpr *CXXStaticCastExpr::Create(const ASTContext &C, QualType T,
|
|
ExprValueKind VK,
|
|
CastKind K, Expr *Op,
|
|
const CXXCastPath *BasePath,
|
|
TypeSourceInfo *WrittenTy,
|
|
SourceLocation L,
|
|
SourceLocation RParenLoc,
|
|
SourceRange AngleBrackets) {
|
|
unsigned PathSize = (BasePath ? BasePath->size() : 0);
|
|
void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
CXXStaticCastExpr *E =
|
|
new (Buffer) CXXStaticCastExpr(T, VK, K, Op, PathSize, WrittenTy, L,
|
|
RParenLoc, AngleBrackets);
|
|
if (PathSize)
|
|
std::uninitialized_copy_n(BasePath->data(), BasePath->size(),
|
|
E->getTrailingObjects<CXXBaseSpecifier *>());
|
|
return E;
|
|
}
|
|
|
|
CXXStaticCastExpr *CXXStaticCastExpr::CreateEmpty(const ASTContext &C,
|
|
unsigned PathSize) {
|
|
void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
return new (Buffer) CXXStaticCastExpr(EmptyShell(), PathSize);
|
|
}
|
|
|
|
CXXDynamicCastExpr *CXXDynamicCastExpr::Create(const ASTContext &C, QualType T,
|
|
ExprValueKind VK,
|
|
CastKind K, Expr *Op,
|
|
const CXXCastPath *BasePath,
|
|
TypeSourceInfo *WrittenTy,
|
|
SourceLocation L,
|
|
SourceLocation RParenLoc,
|
|
SourceRange AngleBrackets) {
|
|
unsigned PathSize = (BasePath ? BasePath->size() : 0);
|
|
void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
CXXDynamicCastExpr *E =
|
|
new (Buffer) CXXDynamicCastExpr(T, VK, K, Op, PathSize, WrittenTy, L,
|
|
RParenLoc, AngleBrackets);
|
|
if (PathSize)
|
|
std::uninitialized_copy_n(BasePath->data(), BasePath->size(),
|
|
E->getTrailingObjects<CXXBaseSpecifier *>());
|
|
return E;
|
|
}
|
|
|
|
CXXDynamicCastExpr *CXXDynamicCastExpr::CreateEmpty(const ASTContext &C,
|
|
unsigned PathSize) {
|
|
void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
return new (Buffer) CXXDynamicCastExpr(EmptyShell(), PathSize);
|
|
}
|
|
|
|
/// isAlwaysNull - Return whether the result of the dynamic_cast is proven
|
|
/// to always be null. For example:
|
|
///
|
|
/// struct A { };
|
|
/// struct B final : A { };
|
|
/// struct C { };
|
|
///
|
|
/// C *f(B* b) { return dynamic_cast<C*>(b); }
|
|
bool CXXDynamicCastExpr::isAlwaysNull() const
|
|
{
|
|
QualType SrcType = getSubExpr()->getType();
|
|
QualType DestType = getType();
|
|
|
|
if (const PointerType *SrcPTy = SrcType->getAs<PointerType>()) {
|
|
SrcType = SrcPTy->getPointeeType();
|
|
DestType = DestType->castAs<PointerType>()->getPointeeType();
|
|
}
|
|
|
|
if (DestType->isVoidType())
|
|
return false;
|
|
|
|
const CXXRecordDecl *SrcRD =
|
|
cast<CXXRecordDecl>(SrcType->castAs<RecordType>()->getDecl());
|
|
|
|
if (!SrcRD->hasAttr<FinalAttr>())
|
|
return false;
|
|
|
|
const CXXRecordDecl *DestRD =
|
|
cast<CXXRecordDecl>(DestType->castAs<RecordType>()->getDecl());
|
|
|
|
return !DestRD->isDerivedFrom(SrcRD);
|
|
}
|
|
|
|
CXXReinterpretCastExpr *
|
|
CXXReinterpretCastExpr::Create(const ASTContext &C, QualType T,
|
|
ExprValueKind VK, CastKind K, Expr *Op,
|
|
const CXXCastPath *BasePath,
|
|
TypeSourceInfo *WrittenTy, SourceLocation L,
|
|
SourceLocation RParenLoc,
|
|
SourceRange AngleBrackets) {
|
|
unsigned PathSize = (BasePath ? BasePath->size() : 0);
|
|
void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
CXXReinterpretCastExpr *E =
|
|
new (Buffer) CXXReinterpretCastExpr(T, VK, K, Op, PathSize, WrittenTy, L,
|
|
RParenLoc, AngleBrackets);
|
|
if (PathSize)
|
|
std::uninitialized_copy_n(BasePath->data(), BasePath->size(),
|
|
E->getTrailingObjects<CXXBaseSpecifier *>());
|
|
return E;
|
|
}
|
|
|
|
CXXReinterpretCastExpr *
|
|
CXXReinterpretCastExpr::CreateEmpty(const ASTContext &C, unsigned PathSize) {
|
|
void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
return new (Buffer) CXXReinterpretCastExpr(EmptyShell(), PathSize);
|
|
}
|
|
|
|
CXXConstCastExpr *CXXConstCastExpr::Create(const ASTContext &C, QualType T,
|
|
ExprValueKind VK, Expr *Op,
|
|
TypeSourceInfo *WrittenTy,
|
|
SourceLocation L,
|
|
SourceLocation RParenLoc,
|
|
SourceRange AngleBrackets) {
|
|
return new (C) CXXConstCastExpr(T, VK, Op, WrittenTy, L, RParenLoc, AngleBrackets);
|
|
}
|
|
|
|
CXXConstCastExpr *CXXConstCastExpr::CreateEmpty(const ASTContext &C) {
|
|
return new (C) CXXConstCastExpr(EmptyShell());
|
|
}
|
|
|
|
CXXFunctionalCastExpr *
|
|
CXXFunctionalCastExpr::Create(const ASTContext &C, QualType T, ExprValueKind VK,
|
|
TypeSourceInfo *Written, CastKind K, Expr *Op,
|
|
const CXXCastPath *BasePath,
|
|
SourceLocation L, SourceLocation R) {
|
|
unsigned PathSize = (BasePath ? BasePath->size() : 0);
|
|
void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
CXXFunctionalCastExpr *E =
|
|
new (Buffer) CXXFunctionalCastExpr(T, VK, Written, K, Op, PathSize, L, R);
|
|
if (PathSize)
|
|
std::uninitialized_copy_n(BasePath->data(), BasePath->size(),
|
|
E->getTrailingObjects<CXXBaseSpecifier *>());
|
|
return E;
|
|
}
|
|
|
|
CXXFunctionalCastExpr *
|
|
CXXFunctionalCastExpr::CreateEmpty(const ASTContext &C, unsigned PathSize) {
|
|
void *Buffer = C.Allocate(totalSizeToAlloc<CXXBaseSpecifier *>(PathSize));
|
|
return new (Buffer) CXXFunctionalCastExpr(EmptyShell(), PathSize);
|
|
}
|
|
|
|
SourceLocation CXXFunctionalCastExpr::getLocStart() const {
|
|
return getTypeInfoAsWritten()->getTypeLoc().getLocStart();
|
|
}
|
|
|
|
SourceLocation CXXFunctionalCastExpr::getLocEnd() const {
|
|
return RParenLoc.isValid() ? RParenLoc : getSubExpr()->getLocEnd();
|
|
}
|
|
|
|
UserDefinedLiteral::LiteralOperatorKind
|
|
UserDefinedLiteral::getLiteralOperatorKind() const {
|
|
if (getNumArgs() == 0)
|
|
return LOK_Template;
|
|
if (getNumArgs() == 2)
|
|
return LOK_String;
|
|
|
|
assert(getNumArgs() == 1 && "unexpected #args in literal operator call");
|
|
QualType ParamTy =
|
|
cast<FunctionDecl>(getCalleeDecl())->getParamDecl(0)->getType();
|
|
if (ParamTy->isPointerType())
|
|
return LOK_Raw;
|
|
if (ParamTy->isAnyCharacterType())
|
|
return LOK_Character;
|
|
if (ParamTy->isIntegerType())
|
|
return LOK_Integer;
|
|
if (ParamTy->isFloatingType())
|
|
return LOK_Floating;
|
|
|
|
llvm_unreachable("unknown kind of literal operator");
|
|
}
|
|
|
|
Expr *UserDefinedLiteral::getCookedLiteral() {
|
|
#ifndef NDEBUG
|
|
LiteralOperatorKind LOK = getLiteralOperatorKind();
|
|
assert(LOK != LOK_Template && LOK != LOK_Raw && "not a cooked literal");
|
|
#endif
|
|
return getArg(0);
|
|
}
|
|
|
|
const IdentifierInfo *UserDefinedLiteral::getUDSuffix() const {
|
|
return cast<FunctionDecl>(getCalleeDecl())->getLiteralIdentifier();
|
|
}
|
|
|
|
CXXDefaultInitExpr::CXXDefaultInitExpr(const ASTContext &C, SourceLocation Loc,
|
|
FieldDecl *Field, QualType T)
|
|
: Expr(CXXDefaultInitExprClass, T.getNonLValueExprType(C),
|
|
T->isLValueReferenceType() ? VK_LValue : T->isRValueReferenceType()
|
|
? VK_XValue
|
|
: VK_RValue,
|
|
/*FIXME*/ OK_Ordinary, false, false, false, false),
|
|
Field(Field), Loc(Loc) {
|
|
assert(Field->hasInClassInitializer());
|
|
}
|
|
|
|
CXXTemporary *CXXTemporary::Create(const ASTContext &C,
|
|
const CXXDestructorDecl *Destructor) {
|
|
return new (C) CXXTemporary(Destructor);
|
|
}
|
|
|
|
CXXBindTemporaryExpr *CXXBindTemporaryExpr::Create(const ASTContext &C,
|
|
CXXTemporary *Temp,
|
|
Expr* SubExpr) {
|
|
assert((SubExpr->getType()->isRecordType() ||
|
|
SubExpr->getType()->isArrayType()) &&
|
|
"Expression bound to a temporary must have record or array type!");
|
|
|
|
return new (C) CXXBindTemporaryExpr(Temp, SubExpr);
|
|
}
|
|
|
|
CXXTemporaryObjectExpr::CXXTemporaryObjectExpr(const ASTContext &C,
|
|
CXXConstructorDecl *Cons,
|
|
TypeSourceInfo *Type,
|
|
ArrayRef<Expr*> Args,
|
|
SourceRange ParenOrBraceRange,
|
|
bool HadMultipleCandidates,
|
|
bool ListInitialization,
|
|
bool StdInitListInitialization,
|
|
bool ZeroInitialization)
|
|
: CXXConstructExpr(C, CXXTemporaryObjectExprClass,
|
|
Type->getType().getNonReferenceType(),
|
|
Type->getTypeLoc().getBeginLoc(),
|
|
Cons, false, Args,
|
|
HadMultipleCandidates,
|
|
ListInitialization,
|
|
StdInitListInitialization,
|
|
ZeroInitialization,
|
|
CXXConstructExpr::CK_Complete, ParenOrBraceRange),
|
|
Type(Type) {
|
|
}
|
|
|
|
SourceLocation CXXTemporaryObjectExpr::getLocStart() const {
|
|
return Type->getTypeLoc().getBeginLoc();
|
|
}
|
|
|
|
SourceLocation CXXTemporaryObjectExpr::getLocEnd() const {
|
|
SourceLocation Loc = getParenOrBraceRange().getEnd();
|
|
if (Loc.isInvalid() && getNumArgs())
|
|
Loc = getArg(getNumArgs()-1)->getLocEnd();
|
|
return Loc;
|
|
}
|
|
|
|
CXXConstructExpr *CXXConstructExpr::Create(const ASTContext &C, QualType T,
|
|
SourceLocation Loc,
|
|
CXXConstructorDecl *Ctor,
|
|
bool Elidable,
|
|
ArrayRef<Expr*> Args,
|
|
bool HadMultipleCandidates,
|
|
bool ListInitialization,
|
|
bool StdInitListInitialization,
|
|
bool ZeroInitialization,
|
|
ConstructionKind ConstructKind,
|
|
SourceRange ParenOrBraceRange) {
|
|
return new (C) CXXConstructExpr(C, CXXConstructExprClass, T, Loc,
|
|
Ctor, Elidable, Args,
|
|
HadMultipleCandidates, ListInitialization,
|
|
StdInitListInitialization,
|
|
ZeroInitialization, ConstructKind,
|
|
ParenOrBraceRange);
|
|
}
|
|
|
|
CXXConstructExpr::CXXConstructExpr(const ASTContext &C, StmtClass SC,
|
|
QualType T, SourceLocation Loc,
|
|
CXXConstructorDecl *Ctor,
|
|
bool Elidable,
|
|
ArrayRef<Expr*> Args,
|
|
bool HadMultipleCandidates,
|
|
bool ListInitialization,
|
|
bool StdInitListInitialization,
|
|
bool ZeroInitialization,
|
|
ConstructionKind ConstructKind,
|
|
SourceRange ParenOrBraceRange)
|
|
: Expr(SC, T, VK_RValue, OK_Ordinary,
|
|
T->isDependentType(), T->isDependentType(),
|
|
T->isInstantiationDependentType(),
|
|
T->containsUnexpandedParameterPack()),
|
|
Constructor(Ctor), Loc(Loc), ParenOrBraceRange(ParenOrBraceRange),
|
|
NumArgs(Args.size()),
|
|
Elidable(Elidable), HadMultipleCandidates(HadMultipleCandidates),
|
|
ListInitialization(ListInitialization),
|
|
StdInitListInitialization(StdInitListInitialization),
|
|
ZeroInitialization(ZeroInitialization),
|
|
ConstructKind(ConstructKind), Args(nullptr)
|
|
{
|
|
if (NumArgs) {
|
|
this->Args = new (C) Stmt*[Args.size()];
|
|
|
|
for (unsigned i = 0; i != Args.size(); ++i) {
|
|
assert(Args[i] && "NULL argument in CXXConstructExpr");
|
|
|
|
if (Args[i]->isValueDependent())
|
|
ExprBits.ValueDependent = true;
|
|
if (Args[i]->isInstantiationDependent())
|
|
ExprBits.InstantiationDependent = true;
|
|
if (Args[i]->containsUnexpandedParameterPack())
|
|
ExprBits.ContainsUnexpandedParameterPack = true;
|
|
|
|
this->Args[i] = Args[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
LambdaCapture::LambdaCapture(SourceLocation Loc, bool Implicit,
|
|
LambdaCaptureKind Kind, VarDecl *Var,
|
|
SourceLocation EllipsisLoc)
|
|
: DeclAndBits(Var, 0), Loc(Loc), EllipsisLoc(EllipsisLoc)
|
|
{
|
|
unsigned Bits = 0;
|
|
if (Implicit)
|
|
Bits |= Capture_Implicit;
|
|
|
|
switch (Kind) {
|
|
case LCK_StarThis:
|
|
Bits |= Capture_ByCopy;
|
|
// Fall through
|
|
case LCK_This:
|
|
assert(!Var && "'this' capture cannot have a variable!");
|
|
Bits |= Capture_This;
|
|
break;
|
|
|
|
case LCK_ByCopy:
|
|
Bits |= Capture_ByCopy;
|
|
// Fall through
|
|
case LCK_ByRef:
|
|
assert(Var && "capture must have a variable!");
|
|
break;
|
|
case LCK_VLAType:
|
|
assert(!Var && "VLA type capture cannot have a variable!");
|
|
break;
|
|
}
|
|
DeclAndBits.setInt(Bits);
|
|
}
|
|
|
|
LambdaCaptureKind LambdaCapture::getCaptureKind() const {
|
|
if (capturesVLAType())
|
|
return LCK_VLAType;
|
|
bool CapByCopy = DeclAndBits.getInt() & Capture_ByCopy;
|
|
if (capturesThis())
|
|
return CapByCopy ? LCK_StarThis : LCK_This;
|
|
return CapByCopy ? LCK_ByCopy : LCK_ByRef;
|
|
}
|
|
|
|
LambdaExpr::LambdaExpr(QualType T, SourceRange IntroducerRange,
|
|
LambdaCaptureDefault CaptureDefault,
|
|
SourceLocation CaptureDefaultLoc,
|
|
ArrayRef<LambdaCapture> Captures, bool ExplicitParams,
|
|
bool ExplicitResultType, ArrayRef<Expr *> CaptureInits,
|
|
ArrayRef<VarDecl *> ArrayIndexVars,
|
|
ArrayRef<unsigned> ArrayIndexStarts,
|
|
SourceLocation ClosingBrace,
|
|
bool ContainsUnexpandedParameterPack)
|
|
: Expr(LambdaExprClass, T, VK_RValue, OK_Ordinary, T->isDependentType(),
|
|
T->isDependentType(), T->isDependentType(),
|
|
ContainsUnexpandedParameterPack),
|
|
IntroducerRange(IntroducerRange), CaptureDefaultLoc(CaptureDefaultLoc),
|
|
NumCaptures(Captures.size()), CaptureDefault(CaptureDefault),
|
|
ExplicitParams(ExplicitParams), ExplicitResultType(ExplicitResultType),
|
|
ClosingBrace(ClosingBrace) {
|
|
assert(CaptureInits.size() == Captures.size() && "Wrong number of arguments");
|
|
CXXRecordDecl *Class = getLambdaClass();
|
|
CXXRecordDecl::LambdaDefinitionData &Data = Class->getLambdaData();
|
|
|
|
// FIXME: Propagate "has unexpanded parameter pack" bit.
|
|
|
|
// Copy captures.
|
|
const ASTContext &Context = Class->getASTContext();
|
|
Data.NumCaptures = NumCaptures;
|
|
Data.NumExplicitCaptures = 0;
|
|
Data.Captures =
|
|
(LambdaCapture *)Context.Allocate(sizeof(LambdaCapture) * NumCaptures);
|
|
LambdaCapture *ToCapture = Data.Captures;
|
|
for (unsigned I = 0, N = Captures.size(); I != N; ++I) {
|
|
if (Captures[I].isExplicit())
|
|
++Data.NumExplicitCaptures;
|
|
|
|
*ToCapture++ = Captures[I];
|
|
}
|
|
|
|
// Copy initialization expressions for the non-static data members.
|
|
Stmt **Stored = getStoredStmts();
|
|
for (unsigned I = 0, N = CaptureInits.size(); I != N; ++I)
|
|
*Stored++ = CaptureInits[I];
|
|
|
|
// Copy the body of the lambda.
|
|
*Stored++ = getCallOperator()->getBody();
|
|
|
|
// Copy the array index variables, if any.
|
|
HasArrayIndexVars = !ArrayIndexVars.empty();
|
|
if (HasArrayIndexVars) {
|
|
assert(ArrayIndexStarts.size() == NumCaptures);
|
|
memcpy(getArrayIndexVars(), ArrayIndexVars.data(),
|
|
sizeof(VarDecl *) * ArrayIndexVars.size());
|
|
memcpy(getArrayIndexStarts(), ArrayIndexStarts.data(),
|
|
sizeof(unsigned) * Captures.size());
|
|
getArrayIndexStarts()[Captures.size()] = ArrayIndexVars.size();
|
|
}
|
|
}
|
|
|
|
LambdaExpr *LambdaExpr::Create(
|
|
const ASTContext &Context, CXXRecordDecl *Class,
|
|
SourceRange IntroducerRange, LambdaCaptureDefault CaptureDefault,
|
|
SourceLocation CaptureDefaultLoc, ArrayRef<LambdaCapture> Captures,
|
|
bool ExplicitParams, bool ExplicitResultType, ArrayRef<Expr *> CaptureInits,
|
|
ArrayRef<VarDecl *> ArrayIndexVars, ArrayRef<unsigned> ArrayIndexStarts,
|
|
SourceLocation ClosingBrace, bool ContainsUnexpandedParameterPack) {
|
|
// Determine the type of the expression (i.e., the type of the
|
|
// function object we're creating).
|
|
QualType T = Context.getTypeDeclType(Class);
|
|
|
|
unsigned Size = totalSizeToAlloc<Stmt *, unsigned, VarDecl *>(
|
|
Captures.size() + 1, ArrayIndexVars.empty() ? 0 : Captures.size() + 1,
|
|
ArrayIndexVars.size());
|
|
void *Mem = Context.Allocate(Size);
|
|
return new (Mem) LambdaExpr(T, IntroducerRange,
|
|
CaptureDefault, CaptureDefaultLoc, Captures,
|
|
ExplicitParams, ExplicitResultType,
|
|
CaptureInits, ArrayIndexVars, ArrayIndexStarts,
|
|
ClosingBrace, ContainsUnexpandedParameterPack);
|
|
}
|
|
|
|
LambdaExpr *LambdaExpr::CreateDeserialized(const ASTContext &C,
|
|
unsigned NumCaptures,
|
|
unsigned NumArrayIndexVars) {
|
|
unsigned Size = totalSizeToAlloc<Stmt *, unsigned, VarDecl *>(
|
|
NumCaptures + 1, NumArrayIndexVars ? NumCaptures + 1 : 0,
|
|
NumArrayIndexVars);
|
|
void *Mem = C.Allocate(Size);
|
|
return new (Mem) LambdaExpr(EmptyShell(), NumCaptures, NumArrayIndexVars > 0);
|
|
}
|
|
|
|
bool LambdaExpr::isInitCapture(const LambdaCapture *C) const {
|
|
return (C->capturesVariable() && C->getCapturedVar()->isInitCapture() &&
|
|
(getCallOperator() == C->getCapturedVar()->getDeclContext()));
|
|
}
|
|
|
|
LambdaExpr::capture_iterator LambdaExpr::capture_begin() const {
|
|
return getLambdaClass()->getLambdaData().Captures;
|
|
}
|
|
|
|
LambdaExpr::capture_iterator LambdaExpr::capture_end() const {
|
|
return capture_begin() + NumCaptures;
|
|
}
|
|
|
|
LambdaExpr::capture_range LambdaExpr::captures() const {
|
|
return capture_range(capture_begin(), capture_end());
|
|
}
|
|
|
|
LambdaExpr::capture_iterator LambdaExpr::explicit_capture_begin() const {
|
|
return capture_begin();
|
|
}
|
|
|
|
LambdaExpr::capture_iterator LambdaExpr::explicit_capture_end() const {
|
|
struct CXXRecordDecl::LambdaDefinitionData &Data
|
|
= getLambdaClass()->getLambdaData();
|
|
return Data.Captures + Data.NumExplicitCaptures;
|
|
}
|
|
|
|
LambdaExpr::capture_range LambdaExpr::explicit_captures() const {
|
|
return capture_range(explicit_capture_begin(), explicit_capture_end());
|
|
}
|
|
|
|
LambdaExpr::capture_iterator LambdaExpr::implicit_capture_begin() const {
|
|
return explicit_capture_end();
|
|
}
|
|
|
|
LambdaExpr::capture_iterator LambdaExpr::implicit_capture_end() const {
|
|
return capture_end();
|
|
}
|
|
|
|
LambdaExpr::capture_range LambdaExpr::implicit_captures() const {
|
|
return capture_range(implicit_capture_begin(), implicit_capture_end());
|
|
}
|
|
|
|
ArrayRef<VarDecl *>
|
|
LambdaExpr::getCaptureInitIndexVars(const_capture_init_iterator Iter) const {
|
|
assert(HasArrayIndexVars && "No array index-var data?");
|
|
|
|
unsigned Index = Iter - capture_init_begin();
|
|
assert(Index < getLambdaClass()->getLambdaData().NumCaptures &&
|
|
"Capture index out-of-range");
|
|
VarDecl *const *IndexVars = getArrayIndexVars();
|
|
const unsigned *IndexStarts = getArrayIndexStarts();
|
|
return llvm::makeArrayRef(IndexVars + IndexStarts[Index],
|
|
IndexVars + IndexStarts[Index + 1]);
|
|
}
|
|
|
|
CXXRecordDecl *LambdaExpr::getLambdaClass() const {
|
|
return getType()->getAsCXXRecordDecl();
|
|
}
|
|
|
|
CXXMethodDecl *LambdaExpr::getCallOperator() const {
|
|
CXXRecordDecl *Record = getLambdaClass();
|
|
return Record->getLambdaCallOperator();
|
|
}
|
|
|
|
TemplateParameterList *LambdaExpr::getTemplateParameterList() const {
|
|
CXXRecordDecl *Record = getLambdaClass();
|
|
return Record->getGenericLambdaTemplateParameterList();
|
|
|
|
}
|
|
|
|
CompoundStmt *LambdaExpr::getBody() const {
|
|
// FIXME: this mutation in getBody is bogus. It should be
|
|
// initialized in ASTStmtReader::VisitLambdaExpr, but for reasons I
|
|
// don't understand, that doesn't work.
|
|
if (!getStoredStmts()[NumCaptures])
|
|
*const_cast<clang::Stmt **>(&getStoredStmts()[NumCaptures]) =
|
|
getCallOperator()->getBody();
|
|
|
|
return static_cast<CompoundStmt *>(getStoredStmts()[NumCaptures]);
|
|
}
|
|
|
|
bool LambdaExpr::isMutable() const {
|
|
return !getCallOperator()->isConst();
|
|
}
|
|
|
|
ExprWithCleanups::ExprWithCleanups(Expr *subexpr,
|
|
bool CleanupsHaveSideEffects,
|
|
ArrayRef<CleanupObject> objects)
|
|
: Expr(ExprWithCleanupsClass, subexpr->getType(),
|
|
subexpr->getValueKind(), subexpr->getObjectKind(),
|
|
subexpr->isTypeDependent(), subexpr->isValueDependent(),
|
|
subexpr->isInstantiationDependent(),
|
|
subexpr->containsUnexpandedParameterPack()),
|
|
SubExpr(subexpr) {
|
|
ExprWithCleanupsBits.CleanupsHaveSideEffects = CleanupsHaveSideEffects;
|
|
ExprWithCleanupsBits.NumObjects = objects.size();
|
|
for (unsigned i = 0, e = objects.size(); i != e; ++i)
|
|
getTrailingObjects<CleanupObject>()[i] = objects[i];
|
|
}
|
|
|
|
ExprWithCleanups *ExprWithCleanups::Create(const ASTContext &C, Expr *subexpr,
|
|
bool CleanupsHaveSideEffects,
|
|
ArrayRef<CleanupObject> objects) {
|
|
void *buffer = C.Allocate(totalSizeToAlloc<CleanupObject>(objects.size()),
|
|
llvm::alignOf<ExprWithCleanups>());
|
|
return new (buffer)
|
|
ExprWithCleanups(subexpr, CleanupsHaveSideEffects, objects);
|
|
}
|
|
|
|
ExprWithCleanups::ExprWithCleanups(EmptyShell empty, unsigned numObjects)
|
|
: Expr(ExprWithCleanupsClass, empty) {
|
|
ExprWithCleanupsBits.NumObjects = numObjects;
|
|
}
|
|
|
|
ExprWithCleanups *ExprWithCleanups::Create(const ASTContext &C,
|
|
EmptyShell empty,
|
|
unsigned numObjects) {
|
|
void *buffer = C.Allocate(totalSizeToAlloc<CleanupObject>(numObjects),
|
|
llvm::alignOf<ExprWithCleanups>());
|
|
return new (buffer) ExprWithCleanups(empty, numObjects);
|
|
}
|
|
|
|
CXXUnresolvedConstructExpr::CXXUnresolvedConstructExpr(TypeSourceInfo *Type,
|
|
SourceLocation LParenLoc,
|
|
ArrayRef<Expr*> Args,
|
|
SourceLocation RParenLoc)
|
|
: Expr(CXXUnresolvedConstructExprClass,
|
|
Type->getType().getNonReferenceType(),
|
|
(Type->getType()->isLValueReferenceType() ? VK_LValue
|
|
:Type->getType()->isRValueReferenceType()? VK_XValue
|
|
:VK_RValue),
|
|
OK_Ordinary,
|
|
Type->getType()->isDependentType(), true, true,
|
|
Type->getType()->containsUnexpandedParameterPack()),
|
|
Type(Type),
|
|
LParenLoc(LParenLoc),
|
|
RParenLoc(RParenLoc),
|
|
NumArgs(Args.size()) {
|
|
Expr **StoredArgs = getTrailingObjects<Expr *>();
|
|
for (unsigned I = 0; I != Args.size(); ++I) {
|
|
if (Args[I]->containsUnexpandedParameterPack())
|
|
ExprBits.ContainsUnexpandedParameterPack = true;
|
|
|
|
StoredArgs[I] = Args[I];
|
|
}
|
|
}
|
|
|
|
CXXUnresolvedConstructExpr *
|
|
CXXUnresolvedConstructExpr::Create(const ASTContext &C,
|
|
TypeSourceInfo *Type,
|
|
SourceLocation LParenLoc,
|
|
ArrayRef<Expr*> Args,
|
|
SourceLocation RParenLoc) {
|
|
void *Mem = C.Allocate(totalSizeToAlloc<Expr *>(Args.size()));
|
|
return new (Mem) CXXUnresolvedConstructExpr(Type, LParenLoc, Args, RParenLoc);
|
|
}
|
|
|
|
CXXUnresolvedConstructExpr *
|
|
CXXUnresolvedConstructExpr::CreateEmpty(const ASTContext &C, unsigned NumArgs) {
|
|
Stmt::EmptyShell Empty;
|
|
void *Mem = C.Allocate(totalSizeToAlloc<Expr *>(NumArgs));
|
|
return new (Mem) CXXUnresolvedConstructExpr(Empty, NumArgs);
|
|
}
|
|
|
|
SourceLocation CXXUnresolvedConstructExpr::getLocStart() const {
|
|
return Type->getTypeLoc().getBeginLoc();
|
|
}
|
|
|
|
CXXDependentScopeMemberExpr::CXXDependentScopeMemberExpr(
|
|
const ASTContext &C, Expr *Base, QualType BaseType, bool IsArrow,
|
|
SourceLocation OperatorLoc, NestedNameSpecifierLoc QualifierLoc,
|
|
SourceLocation TemplateKWLoc, NamedDecl *FirstQualifierFoundInScope,
|
|
DeclarationNameInfo MemberNameInfo,
|
|
const TemplateArgumentListInfo *TemplateArgs)
|
|
: Expr(CXXDependentScopeMemberExprClass, C.DependentTy, VK_LValue,
|
|
OK_Ordinary, true, true, true,
|
|
((Base && Base->containsUnexpandedParameterPack()) ||
|
|
(QualifierLoc &&
|
|
QualifierLoc.getNestedNameSpecifier()
|
|
->containsUnexpandedParameterPack()) ||
|
|
MemberNameInfo.containsUnexpandedParameterPack())),
|
|
Base(Base), BaseType(BaseType), IsArrow(IsArrow),
|
|
HasTemplateKWAndArgsInfo(TemplateArgs != nullptr ||
|
|
TemplateKWLoc.isValid()),
|
|
OperatorLoc(OperatorLoc), QualifierLoc(QualifierLoc),
|
|
FirstQualifierFoundInScope(FirstQualifierFoundInScope),
|
|
MemberNameInfo(MemberNameInfo) {
|
|
if (TemplateArgs) {
|
|
bool Dependent = true;
|
|
bool InstantiationDependent = true;
|
|
bool ContainsUnexpandedParameterPack = false;
|
|
getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom(
|
|
TemplateKWLoc, *TemplateArgs, getTrailingObjects<TemplateArgumentLoc>(),
|
|
Dependent, InstantiationDependent, ContainsUnexpandedParameterPack);
|
|
if (ContainsUnexpandedParameterPack)
|
|
ExprBits.ContainsUnexpandedParameterPack = true;
|
|
} else if (TemplateKWLoc.isValid()) {
|
|
getTrailingObjects<ASTTemplateKWAndArgsInfo>()->initializeFrom(
|
|
TemplateKWLoc);
|
|
}
|
|
}
|
|
|
|
CXXDependentScopeMemberExpr *
|
|
CXXDependentScopeMemberExpr::Create(const ASTContext &C,
|
|
Expr *Base, QualType BaseType, bool IsArrow,
|
|
SourceLocation OperatorLoc,
|
|
NestedNameSpecifierLoc QualifierLoc,
|
|
SourceLocation TemplateKWLoc,
|
|
NamedDecl *FirstQualifierFoundInScope,
|
|
DeclarationNameInfo MemberNameInfo,
|
|
const TemplateArgumentListInfo *TemplateArgs) {
|
|
bool HasTemplateKWAndArgsInfo = TemplateArgs || TemplateKWLoc.isValid();
|
|
unsigned NumTemplateArgs = TemplateArgs ? TemplateArgs->size() : 0;
|
|
std::size_t Size =
|
|
totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(
|
|
HasTemplateKWAndArgsInfo, NumTemplateArgs);
|
|
|
|
void *Mem = C.Allocate(Size, llvm::alignOf<CXXDependentScopeMemberExpr>());
|
|
return new (Mem) CXXDependentScopeMemberExpr(C, Base, BaseType,
|
|
IsArrow, OperatorLoc,
|
|
QualifierLoc,
|
|
TemplateKWLoc,
|
|
FirstQualifierFoundInScope,
|
|
MemberNameInfo, TemplateArgs);
|
|
}
|
|
|
|
CXXDependentScopeMemberExpr *
|
|
CXXDependentScopeMemberExpr::CreateEmpty(const ASTContext &C,
|
|
bool HasTemplateKWAndArgsInfo,
|
|
unsigned NumTemplateArgs) {
|
|
assert(NumTemplateArgs == 0 || HasTemplateKWAndArgsInfo);
|
|
std::size_t Size =
|
|
totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(
|
|
HasTemplateKWAndArgsInfo, NumTemplateArgs);
|
|
void *Mem = C.Allocate(Size, llvm::alignOf<CXXDependentScopeMemberExpr>());
|
|
CXXDependentScopeMemberExpr *E
|
|
= new (Mem) CXXDependentScopeMemberExpr(C, nullptr, QualType(),
|
|
0, SourceLocation(),
|
|
NestedNameSpecifierLoc(),
|
|
SourceLocation(), nullptr,
|
|
DeclarationNameInfo(), nullptr);
|
|
E->HasTemplateKWAndArgsInfo = HasTemplateKWAndArgsInfo;
|
|
return E;
|
|
}
|
|
|
|
bool CXXDependentScopeMemberExpr::isImplicitAccess() const {
|
|
if (!Base)
|
|
return true;
|
|
|
|
return cast<Expr>(Base)->isImplicitCXXThis();
|
|
}
|
|
|
|
static bool hasOnlyNonStaticMemberFunctions(UnresolvedSetIterator begin,
|
|
UnresolvedSetIterator end) {
|
|
do {
|
|
NamedDecl *decl = *begin;
|
|
if (isa<UnresolvedUsingValueDecl>(decl))
|
|
return false;
|
|
|
|
// Unresolved member expressions should only contain methods and
|
|
// method templates.
|
|
if (cast<CXXMethodDecl>(decl->getUnderlyingDecl()->getAsFunction())
|
|
->isStatic())
|
|
return false;
|
|
} while (++begin != end);
|
|
|
|
return true;
|
|
}
|
|
|
|
UnresolvedMemberExpr::UnresolvedMemberExpr(const ASTContext &C,
|
|
bool HasUnresolvedUsing,
|
|
Expr *Base, QualType BaseType,
|
|
bool IsArrow,
|
|
SourceLocation OperatorLoc,
|
|
NestedNameSpecifierLoc QualifierLoc,
|
|
SourceLocation TemplateKWLoc,
|
|
const DeclarationNameInfo &MemberNameInfo,
|
|
const TemplateArgumentListInfo *TemplateArgs,
|
|
UnresolvedSetIterator Begin,
|
|
UnresolvedSetIterator End)
|
|
: OverloadExpr(UnresolvedMemberExprClass, C, QualifierLoc, TemplateKWLoc,
|
|
MemberNameInfo, TemplateArgs, Begin, End,
|
|
// Dependent
|
|
((Base && Base->isTypeDependent()) ||
|
|
BaseType->isDependentType()),
|
|
((Base && Base->isInstantiationDependent()) ||
|
|
BaseType->isInstantiationDependentType()),
|
|
// Contains unexpanded parameter pack
|
|
((Base && Base->containsUnexpandedParameterPack()) ||
|
|
BaseType->containsUnexpandedParameterPack())),
|
|
IsArrow(IsArrow), HasUnresolvedUsing(HasUnresolvedUsing),
|
|
Base(Base), BaseType(BaseType), OperatorLoc(OperatorLoc) {
|
|
|
|
// Check whether all of the members are non-static member functions,
|
|
// and if so, mark give this bound-member type instead of overload type.
|
|
if (hasOnlyNonStaticMemberFunctions(Begin, End))
|
|
setType(C.BoundMemberTy);
|
|
}
|
|
|
|
bool UnresolvedMemberExpr::isImplicitAccess() const {
|
|
if (!Base)
|
|
return true;
|
|
|
|
return cast<Expr>(Base)->isImplicitCXXThis();
|
|
}
|
|
|
|
UnresolvedMemberExpr *UnresolvedMemberExpr::Create(
|
|
const ASTContext &C, bool HasUnresolvedUsing, Expr *Base, QualType BaseType,
|
|
bool IsArrow, SourceLocation OperatorLoc,
|
|
NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc,
|
|
const DeclarationNameInfo &MemberNameInfo,
|
|
const TemplateArgumentListInfo *TemplateArgs, UnresolvedSetIterator Begin,
|
|
UnresolvedSetIterator End) {
|
|
bool HasTemplateKWAndArgsInfo = TemplateArgs || TemplateKWLoc.isValid();
|
|
std::size_t Size =
|
|
totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(
|
|
HasTemplateKWAndArgsInfo, TemplateArgs ? TemplateArgs->size() : 0);
|
|
|
|
void *Mem = C.Allocate(Size, llvm::alignOf<UnresolvedMemberExpr>());
|
|
return new (Mem) UnresolvedMemberExpr(
|
|
C, HasUnresolvedUsing, Base, BaseType, IsArrow, OperatorLoc, QualifierLoc,
|
|
TemplateKWLoc, MemberNameInfo, TemplateArgs, Begin, End);
|
|
}
|
|
|
|
UnresolvedMemberExpr *
|
|
UnresolvedMemberExpr::CreateEmpty(const ASTContext &C,
|
|
bool HasTemplateKWAndArgsInfo,
|
|
unsigned NumTemplateArgs) {
|
|
assert(NumTemplateArgs == 0 || HasTemplateKWAndArgsInfo);
|
|
std::size_t Size =
|
|
totalSizeToAlloc<ASTTemplateKWAndArgsInfo, TemplateArgumentLoc>(
|
|
HasTemplateKWAndArgsInfo, NumTemplateArgs);
|
|
|
|
void *Mem = C.Allocate(Size, llvm::alignOf<UnresolvedMemberExpr>());
|
|
UnresolvedMemberExpr *E = new (Mem) UnresolvedMemberExpr(EmptyShell());
|
|
E->HasTemplateKWAndArgsInfo = HasTemplateKWAndArgsInfo;
|
|
return E;
|
|
}
|
|
|
|
CXXRecordDecl *UnresolvedMemberExpr::getNamingClass() const {
|
|
// Unlike for UnresolvedLookupExpr, it is very easy to re-derive this.
|
|
|
|
// If there was a nested name specifier, it names the naming class.
|
|
// It can't be dependent: after all, we were actually able to do the
|
|
// lookup.
|
|
CXXRecordDecl *Record = nullptr;
|
|
auto *NNS = getQualifier();
|
|
if (NNS && NNS->getKind() != NestedNameSpecifier::Super) {
|
|
const Type *T = getQualifier()->getAsType();
|
|
assert(T && "qualifier in member expression does not name type");
|
|
Record = T->getAsCXXRecordDecl();
|
|
assert(Record && "qualifier in member expression does not name record");
|
|
}
|
|
// Otherwise the naming class must have been the base class.
|
|
else {
|
|
QualType BaseType = getBaseType().getNonReferenceType();
|
|
if (isArrow()) {
|
|
const PointerType *PT = BaseType->getAs<PointerType>();
|
|
assert(PT && "base of arrow member access is not pointer");
|
|
BaseType = PT->getPointeeType();
|
|
}
|
|
|
|
Record = BaseType->getAsCXXRecordDecl();
|
|
assert(Record && "base of member expression does not name record");
|
|
}
|
|
|
|
return Record;
|
|
}
|
|
|
|
SizeOfPackExpr *
|
|
SizeOfPackExpr::Create(ASTContext &Context, SourceLocation OperatorLoc,
|
|
NamedDecl *Pack, SourceLocation PackLoc,
|
|
SourceLocation RParenLoc,
|
|
Optional<unsigned> Length,
|
|
ArrayRef<TemplateArgument> PartialArgs) {
|
|
void *Storage =
|
|
Context.Allocate(totalSizeToAlloc<TemplateArgument>(PartialArgs.size()));
|
|
return new (Storage) SizeOfPackExpr(Context.getSizeType(), OperatorLoc, Pack,
|
|
PackLoc, RParenLoc, Length, PartialArgs);
|
|
}
|
|
|
|
SizeOfPackExpr *SizeOfPackExpr::CreateDeserialized(ASTContext &Context,
|
|
unsigned NumPartialArgs) {
|
|
void *Storage =
|
|
Context.Allocate(totalSizeToAlloc<TemplateArgument>(NumPartialArgs));
|
|
return new (Storage) SizeOfPackExpr(EmptyShell(), NumPartialArgs);
|
|
}
|
|
|
|
SubstNonTypeTemplateParmPackExpr::
|
|
SubstNonTypeTemplateParmPackExpr(QualType T,
|
|
NonTypeTemplateParmDecl *Param,
|
|
SourceLocation NameLoc,
|
|
const TemplateArgument &ArgPack)
|
|
: Expr(SubstNonTypeTemplateParmPackExprClass, T, VK_RValue, OK_Ordinary,
|
|
true, true, true, true),
|
|
Param(Param), Arguments(ArgPack.pack_begin()),
|
|
NumArguments(ArgPack.pack_size()), NameLoc(NameLoc) { }
|
|
|
|
TemplateArgument SubstNonTypeTemplateParmPackExpr::getArgumentPack() const {
|
|
return TemplateArgument(llvm::makeArrayRef(Arguments, NumArguments));
|
|
}
|
|
|
|
FunctionParmPackExpr::FunctionParmPackExpr(QualType T, ParmVarDecl *ParamPack,
|
|
SourceLocation NameLoc,
|
|
unsigned NumParams,
|
|
ParmVarDecl *const *Params)
|
|
: Expr(FunctionParmPackExprClass, T, VK_LValue, OK_Ordinary, true, true,
|
|
true, true),
|
|
ParamPack(ParamPack), NameLoc(NameLoc), NumParameters(NumParams) {
|
|
if (Params)
|
|
std::uninitialized_copy(Params, Params + NumParams,
|
|
getTrailingObjects<ParmVarDecl *>());
|
|
}
|
|
|
|
FunctionParmPackExpr *
|
|
FunctionParmPackExpr::Create(const ASTContext &Context, QualType T,
|
|
ParmVarDecl *ParamPack, SourceLocation NameLoc,
|
|
ArrayRef<ParmVarDecl *> Params) {
|
|
return new (Context.Allocate(totalSizeToAlloc<ParmVarDecl *>(Params.size())))
|
|
FunctionParmPackExpr(T, ParamPack, NameLoc, Params.size(), Params.data());
|
|
}
|
|
|
|
FunctionParmPackExpr *
|
|
FunctionParmPackExpr::CreateEmpty(const ASTContext &Context,
|
|
unsigned NumParams) {
|
|
return new (Context.Allocate(totalSizeToAlloc<ParmVarDecl *>(NumParams)))
|
|
FunctionParmPackExpr(QualType(), nullptr, SourceLocation(), 0, nullptr);
|
|
}
|
|
|
|
void MaterializeTemporaryExpr::setExtendingDecl(const ValueDecl *ExtendedBy,
|
|
unsigned ManglingNumber) {
|
|
// We only need extra state if we have to remember more than just the Stmt.
|
|
if (!ExtendedBy)
|
|
return;
|
|
|
|
// We may need to allocate extra storage for the mangling number and the
|
|
// extended-by ValueDecl.
|
|
if (!State.is<ExtraState *>()) {
|
|
auto ES = new (ExtendedBy->getASTContext()) ExtraState;
|
|
ES->Temporary = State.get<Stmt *>();
|
|
State = ES;
|
|
}
|
|
|
|
auto ES = State.get<ExtraState *>();
|
|
ES->ExtendingDecl = ExtendedBy;
|
|
ES->ManglingNumber = ManglingNumber;
|
|
}
|
|
|
|
TypeTraitExpr::TypeTraitExpr(QualType T, SourceLocation Loc, TypeTrait Kind,
|
|
ArrayRef<TypeSourceInfo *> Args,
|
|
SourceLocation RParenLoc,
|
|
bool Value)
|
|
: Expr(TypeTraitExprClass, T, VK_RValue, OK_Ordinary,
|
|
/*TypeDependent=*/false,
|
|
/*ValueDependent=*/false,
|
|
/*InstantiationDependent=*/false,
|
|
/*ContainsUnexpandedParameterPack=*/false),
|
|
Loc(Loc), RParenLoc(RParenLoc)
|
|
{
|
|
TypeTraitExprBits.Kind = Kind;
|
|
TypeTraitExprBits.Value = Value;
|
|
TypeTraitExprBits.NumArgs = Args.size();
|
|
|
|
TypeSourceInfo **ToArgs = getTrailingObjects<TypeSourceInfo *>();
|
|
|
|
for (unsigned I = 0, N = Args.size(); I != N; ++I) {
|
|
if (Args[I]->getType()->isDependentType())
|
|
setValueDependent(true);
|
|
if (Args[I]->getType()->isInstantiationDependentType())
|
|
setInstantiationDependent(true);
|
|
if (Args[I]->getType()->containsUnexpandedParameterPack())
|
|
setContainsUnexpandedParameterPack(true);
|
|
|
|
ToArgs[I] = Args[I];
|
|
}
|
|
}
|
|
|
|
TypeTraitExpr *TypeTraitExpr::Create(const ASTContext &C, QualType T,
|
|
SourceLocation Loc,
|
|
TypeTrait Kind,
|
|
ArrayRef<TypeSourceInfo *> Args,
|
|
SourceLocation RParenLoc,
|
|
bool Value) {
|
|
void *Mem = C.Allocate(totalSizeToAlloc<TypeSourceInfo *>(Args.size()));
|
|
return new (Mem) TypeTraitExpr(T, Loc, Kind, Args, RParenLoc, Value);
|
|
}
|
|
|
|
TypeTraitExpr *TypeTraitExpr::CreateDeserialized(const ASTContext &C,
|
|
unsigned NumArgs) {
|
|
void *Mem = C.Allocate(totalSizeToAlloc<TypeSourceInfo *>(NumArgs));
|
|
return new (Mem) TypeTraitExpr(EmptyShell());
|
|
}
|
|
|
|
void ArrayTypeTraitExpr::anchor() { }
|