#include "clang/AST/DeclCXX.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/ASTLambda.h"
#include "clang/AST/ASTMutationListener.h"
#include "clang/AST/CXXInheritance.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/TypeLoc.h"
#include "clang/Basic/IdentifierTable.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
using namespace clang;
void AccessSpecDecl::anchor() { }
AccessSpecDecl *AccessSpecDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) AccessSpecDecl(EmptyShell());
}
void LazyASTUnresolvedSet::getFromExternalSource(ASTContext &C) const {
ExternalASTSource *Source = C.getExternalSource();
assert(Impl.Decls.isLazy() && "getFromExternalSource for non-lazy set");
assert(Source && "getFromExternalSource with no external source");
for (ASTUnresolvedSet::iterator I = Impl.begin(); I != Impl.end(); ++I)
I.setDecl(cast<NamedDecl>(Source->GetExternalDecl(
reinterpret_cast<uintptr_t>(I.getDecl()) >> 2)));
Impl.Decls.setLazy(false);
}
CXXRecordDecl::DefinitionData::DefinitionData(CXXRecordDecl *D)
: UserDeclaredConstructor(false), UserDeclaredSpecialMembers(0),
Aggregate(true), PlainOldData(true), Empty(true), Polymorphic(false),
Abstract(false), IsStandardLayout(true), HasNoNonEmptyBases(true),
HasPrivateFields(false), HasProtectedFields(false), HasPublicFields(false),
HasMutableFields(false), HasVariantMembers(false), HasOnlyCMembers(true),
HasInClassInitializer(false), HasUninitializedReferenceMember(false),
NeedOverloadResolutionForMoveConstructor(false),
NeedOverloadResolutionForMoveAssignment(false),
NeedOverloadResolutionForDestructor(false),
DefaultedMoveConstructorIsDeleted(false),
DefaultedMoveAssignmentIsDeleted(false),
DefaultedDestructorIsDeleted(false),
HasTrivialSpecialMembers(SMF_All),
DeclaredNonTrivialSpecialMembers(0),
HasIrrelevantDestructor(true),
HasConstexprNonCopyMoveConstructor(false),
DefaultedDefaultConstructorIsConstexpr(true),
HasConstexprDefaultConstructor(false),
HasNonLiteralTypeFieldsOrBases(false), ComputedVisibleConversions(false),
UserProvidedDefaultConstructor(false), DeclaredSpecialMembers(0),
ImplicitCopyConstructorHasConstParam(true),
ImplicitCopyAssignmentHasConstParam(true),
HasDeclaredCopyConstructorWithConstParam(false),
HasDeclaredCopyAssignmentWithConstParam(false),
IsLambda(false), IsParsingBaseSpecifiers(false), NumBases(0), NumVBases(0),
Bases(), VBases(),
Definition(D), FirstFriend() {
}
CXXBaseSpecifier *CXXRecordDecl::DefinitionData::getBasesSlowCase() const {
return Bases.get(Definition->getASTContext().getExternalSource());
}
CXXBaseSpecifier *CXXRecordDecl::DefinitionData::getVBasesSlowCase() const {
return VBases.get(Definition->getASTContext().getExternalSource());
}
CXXRecordDecl::CXXRecordDecl(Kind K, TagKind TK, const ASTContext &C,
DeclContext *DC, SourceLocation StartLoc,
SourceLocation IdLoc, IdentifierInfo *Id,
CXXRecordDecl *PrevDecl)
: RecordDecl(K, TK, C, DC, StartLoc, IdLoc, Id, PrevDecl),
DefinitionData(PrevDecl ? PrevDecl->DefinitionData
: DefinitionDataPtr(this)),
TemplateOrInstantiation() {}
CXXRecordDecl *CXXRecordDecl::Create(const ASTContext &C, TagKind TK,
DeclContext *DC, SourceLocation StartLoc,
SourceLocation IdLoc, IdentifierInfo *Id,
CXXRecordDecl* PrevDecl,
bool DelayTypeCreation) {
CXXRecordDecl *R = new (C, DC) CXXRecordDecl(CXXRecord, TK, C, DC, StartLoc,
IdLoc, Id, PrevDecl);
R->MayHaveOutOfDateDef = C.getLangOpts().Modules;
if (!DelayTypeCreation)
C.getTypeDeclType(R, PrevDecl);
return R;
}
CXXRecordDecl *
CXXRecordDecl::CreateLambda(const ASTContext &C, DeclContext *DC,
TypeSourceInfo *Info, SourceLocation Loc,
bool Dependent, bool IsGeneric,
LambdaCaptureDefault CaptureDefault) {
CXXRecordDecl *R =
new (C, DC) CXXRecordDecl(CXXRecord, TTK_Class, C, DC, Loc, Loc,
nullptr, nullptr);
R->IsBeingDefined = true;
R->DefinitionData =
new (C) struct LambdaDefinitionData(R, Info, Dependent, IsGeneric,
CaptureDefault);
R->MayHaveOutOfDateDef = false;
R->setImplicit(true);
C.getTypeDeclType(R, nullptr);
return R;
}
CXXRecordDecl *
CXXRecordDecl::CreateDeserialized(const ASTContext &C, unsigned ID) {
CXXRecordDecl *R = new (C, ID) CXXRecordDecl(
CXXRecord, TTK_Struct, C, nullptr, SourceLocation(), SourceLocation(),
nullptr, nullptr);
R->MayHaveOutOfDateDef = false;
return R;
}
void
CXXRecordDecl::setBases(CXXBaseSpecifier const * const *Bases,
unsigned NumBases) {
ASTContext &C = getASTContext();
if (!data().Bases.isOffset() && data().NumBases > 0)
C.Deallocate(data().getBases());
if (NumBases) {
data().Aggregate = false;
data().PlainOldData = false;
}
llvm::SmallPtrSet<CanQualType, 8> SeenVBaseTypes;
SmallVector<const CXXBaseSpecifier *, 8> VBases;
data().Bases = new(C) CXXBaseSpecifier [NumBases];
data().NumBases = NumBases;
for (unsigned i = 0; i < NumBases; ++i) {
data().getBases()[i] = *Bases[i];
const CXXBaseSpecifier *Base = Bases[i];
QualType BaseType = Base->getType();
if (BaseType->isDependentType())
continue;
CXXRecordDecl *BaseClassDecl
= cast<CXXRecordDecl>(BaseType->getAs<RecordType>()->getDecl());
if (!BaseClassDecl->isEmpty()) {
if (!data().Empty) {
data().IsStandardLayout = false;
}
data().Empty = false;
data().HasNoNonEmptyBases = false;
}
if (BaseClassDecl->isPolymorphic())
data().Polymorphic = true;
if (!BaseClassDecl->isStandardLayout())
data().IsStandardLayout = false;
if (!hasNonLiteralTypeFieldsOrBases() && !BaseType->isLiteralType(C))
data().HasNonLiteralTypeFieldsOrBases = true;
for (const auto &VBase : BaseClassDecl->vbases()) {
if (SeenVBaseTypes.insert(C.getCanonicalType(VBase.getType())).second) {
VBases.push_back(&VBase);
if (CXXRecordDecl *VBaseDecl = VBase.getType()->getAsCXXRecordDecl())
if (!VBaseDecl->hasCopyConstructorWithConstParam())
data().ImplicitCopyConstructorHasConstParam = false;
}
}
if (Base->isVirtual()) {
if (SeenVBaseTypes.insert(C.getCanonicalType(BaseType)).second)
VBases.push_back(Base);
data().Empty = false;
data().HasTrivialSpecialMembers &= SMF_Destructor;
data().IsStandardLayout = false;
data().DefaultedDefaultConstructorIsConstexpr = false;
} else {
if (!BaseClassDecl->hasTrivialDefaultConstructor())
data().HasTrivialSpecialMembers &= ~SMF_DefaultConstructor;
if (!BaseClassDecl->hasTrivialCopyConstructor())
data().HasTrivialSpecialMembers &= ~SMF_CopyConstructor;
if (!BaseClassDecl->hasTrivialMoveConstructor())
data().HasTrivialSpecialMembers &= ~SMF_MoveConstructor;
if (!BaseClassDecl->hasTrivialCopyAssignment())
data().HasTrivialSpecialMembers &= ~SMF_CopyAssignment;
if (!BaseClassDecl->hasTrivialMoveAssignment())
data().HasTrivialSpecialMembers &= ~SMF_MoveAssignment;
if (!BaseClassDecl->hasConstexprDefaultConstructor())
data().DefaultedDefaultConstructorIsConstexpr = false;
}
if (!BaseClassDecl->hasTrivialDestructor())
data().HasTrivialSpecialMembers &= ~SMF_Destructor;
if (!BaseClassDecl->hasIrrelevantDestructor())
data().HasIrrelevantDestructor = false;
if (!BaseClassDecl->hasCopyAssignmentWithConstParam())
data().ImplicitCopyAssignmentHasConstParam = false;
if (!BaseClassDecl->hasCopyConstructorWithConstParam())
data().ImplicitCopyConstructorHasConstParam = false;
if (BaseClassDecl->hasObjectMember())
setHasObjectMember(true);
if (BaseClassDecl->hasVolatileMember())
setHasVolatileMember(true);
if (BaseClassDecl->hasMutableFields())
data().HasMutableFields = true;
if (BaseClassDecl->hasUninitializedReferenceMember())
data().HasUninitializedReferenceMember = true;
addedClassSubobject(BaseClassDecl);
}
if (VBases.empty()) {
data().IsParsingBaseSpecifiers = false;
return;
}
data().VBases = new (C) CXXBaseSpecifier[VBases.size()];
data().NumVBases = VBases.size();
for (int I = 0, E = VBases.size(); I != E; ++I) {
QualType Type = VBases[I]->getType();
if (!Type->isDependentType())
addedClassSubobject(Type->getAsCXXRecordDecl());
data().getVBases()[I] = *VBases[I];
}
data().IsParsingBaseSpecifiers = false;
}
void CXXRecordDecl::addedClassSubobject(CXXRecordDecl *Subobj) {
if (!Subobj->hasSimpleMoveConstructor())
data().NeedOverloadResolutionForMoveConstructor = true;
if (!Subobj->hasSimpleMoveAssignment())
data().NeedOverloadResolutionForMoveAssignment = true;
if (!Subobj->hasSimpleDestructor()) {
data().NeedOverloadResolutionForMoveConstructor = true;
data().NeedOverloadResolutionForDestructor = true;
}
}
bool CXXRecordDecl::hasAnyDependentBases() const {
if (!isDependentContext())
return false;
return !forallBases([](const CXXRecordDecl *) { return true; });
}
bool CXXRecordDecl::isTriviallyCopyable() const {
if (hasNonTrivialCopyConstructor()) return false;
if (hasNonTrivialMoveConstructor()) return false;
if (hasNonTrivialCopyAssignment()) return false;
if (hasNonTrivialMoveAssignment()) return false;
if (!hasTrivialDestructor()) return false;
return true;
}
void CXXRecordDecl::markedVirtualFunctionPure() {
data().Abstract = true;
}
void CXXRecordDecl::addedMember(Decl *D) {
if (!D->isImplicit() &&
!isa<FieldDecl>(D) &&
!isa<IndirectFieldDecl>(D) &&
(!isa<TagDecl>(D) || cast<TagDecl>(D)->getTagKind() == TTK_Class ||
cast<TagDecl>(D)->getTagKind() == TTK_Interface))
data().HasOnlyCMembers = false;
if (D->getFriendObjectKind() || D->isInvalidDecl())
return;
FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D);
if (FunTmpl)
D = FunTmpl->getTemplatedDecl();
if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(D)) {
if (Method->isVirtual()) {
data().Aggregate = false;
data().PlainOldData = false;
data().Empty = false;
data().Polymorphic = true;
data().HasTrivialSpecialMembers &= SMF_Destructor;
data().IsStandardLayout = false;
}
}
if (!isBeingDefined() && D->isImplicit())
if (ASTMutationListener *L = getASTMutationListener())
L->AddedCXXImplicitMember(data().Definition, D);
unsigned SMKind = 0;
if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(D)) {
if (!Constructor->isImplicit()) {
data().UserDeclaredConstructor = true;
data().PlainOldData = false;
}
bool UserProvided = Constructor->isUserProvided();
if (Constructor->isDefaultConstructor()) {
SMKind |= SMF_DefaultConstructor;
if (UserProvided)
data().UserProvidedDefaultConstructor = true;
if (Constructor->isConstexpr())
data().HasConstexprDefaultConstructor = true;
}
if (!FunTmpl) {
unsigned Quals;
if (Constructor->isCopyConstructor(Quals)) {
SMKind |= SMF_CopyConstructor;
if (Quals & Qualifiers::Const)
data().HasDeclaredCopyConstructorWithConstParam = true;
} else if (Constructor->isMoveConstructor())
SMKind |= SMF_MoveConstructor;
}
if (Constructor->isConstexpr() && !Constructor->isCopyOrMoveConstructor())
data().HasConstexprNonCopyMoveConstructor = true;
if (getASTContext().getLangOpts().CPlusPlus11
? UserProvided : !Constructor->isImplicit())
data().Aggregate = false;
}
if (CXXDestructorDecl *DD = dyn_cast<CXXDestructorDecl>(D)) {
SMKind |= SMF_Destructor;
if (DD->isUserProvided())
data().HasIrrelevantDestructor = false;
if (DD->isVirtual())
data().HasTrivialSpecialMembers &= ~SMF_Destructor;
}
if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(D)) {
if (Method->isCopyAssignmentOperator()) {
SMKind |= SMF_CopyAssignment;
const ReferenceType *ParamTy =
Method->getParamDecl(0)->getType()->getAs<ReferenceType>();
if (!ParamTy || ParamTy->getPointeeType().isConstQualified())
data().HasDeclaredCopyAssignmentWithConstParam = true;
}
if (Method->isMoveAssignmentOperator())
SMKind |= SMF_MoveAssignment;
if (CXXConversionDecl *Conversion = dyn_cast<CXXConversionDecl>(D)) {
AccessSpecifier AS = Conversion->getAccessUnsafe();
if (Conversion->getPrimaryTemplate()) {
} else {
ASTContext &Ctx = getASTContext();
ASTUnresolvedSet &Conversions = data().Conversions.get(Ctx);
NamedDecl *Primary =
FunTmpl ? cast<NamedDecl>(FunTmpl) : cast<NamedDecl>(Conversion);
if (Primary->getPreviousDecl())
Conversions.replace(cast<NamedDecl>(Primary->getPreviousDecl()),
Primary, AS);
else
Conversions.addDecl(Ctx, Primary, AS);
}
}
if (SMKind) {
data().HasTrivialSpecialMembers &=
data().DeclaredSpecialMembers | ~SMKind;
if (!Method->isImplicit() && !Method->isUserProvided()) {
} else if (Method->isTrivial())
data().HasTrivialSpecialMembers |= SMKind;
else
data().DeclaredNonTrivialSpecialMembers |= SMKind;
data().DeclaredSpecialMembers |= SMKind;
if (!Method->isImplicit()) {
data().UserDeclaredSpecialMembers |= SMKind;
data().PlainOldData = false;
}
}
return;
}
if (FieldDecl *Field = dyn_cast<FieldDecl>(D)) {
if (Field->isUnnamedBitfield())
return;
if (D->getAccess() == AS_private || D->getAccess() == AS_protected) {
data().Aggregate = false;
data().PlainOldData = false;
}
switch (D->getAccess()) {
case AS_private: data().HasPrivateFields = true; break;
case AS_protected: data().HasProtectedFields = true; break;
case AS_public: data().HasPublicFields = true; break;
case AS_none: llvm_unreachable("Invalid access specifier");
};
if ((data().HasPrivateFields + data().HasProtectedFields +
data().HasPublicFields) > 1)
data().IsStandardLayout = false;
if (Field->isMutable())
data().HasMutableFields = true;
if (isUnion() && !Field->isAnonymousStructOrUnion())
data().HasVariantMembers = true;
ASTContext &Context = getASTContext();
QualType T = Context.getBaseElementType(Field->getType());
if (T->isObjCRetainableType() || T.isObjCGCStrong()) {
if (!Context.getLangOpts().ObjCAutoRefCount) {
setHasObjectMember(true);
} else if (T.getObjCLifetime() != Qualifiers::OCL_ExplicitNone) {
setHasObjectMember(true);
struct DefinitionData &Data = data();
Data.PlainOldData = false;
Data.HasTrivialSpecialMembers = 0;
Data.HasIrrelevantDestructor = false;
}
} else if (!T.isCXX98PODType(Context))
data().PlainOldData = false;
if (T->isReferenceType()) {
if (!Field->hasInClassInitializer())
data().HasUninitializedReferenceMember = true;
data().IsStandardLayout = false;
}
if (!T->isLiteralType(Context) || T.isVolatileQualified())
data().HasNonLiteralTypeFieldsOrBases = true;
if (Field->hasInClassInitializer() ||
(Field->isAnonymousStructOrUnion() &&
Field->getType()->getAsCXXRecordDecl()->hasInClassInitializer())) {
data().HasInClassInitializer = true;
data().HasTrivialSpecialMembers &= ~SMF_DefaultConstructor;
if (!getASTContext().getLangOpts().CPlusPlus14)
data().Aggregate = false;
data().PlainOldData = false;
}
if (T->isReferenceType())
data().DefaultedMoveAssignmentIsDeleted = true;
if (const RecordType *RecordTy = T->getAs<RecordType>()) {
CXXRecordDecl* FieldRec = cast<CXXRecordDecl>(RecordTy->getDecl());
if (FieldRec->getDefinition()) {
addedClassSubobject(FieldRec);
if (T.getCVRQualifiers() & (Qualifiers::Const | Qualifiers::Volatile)) {
data().NeedOverloadResolutionForMoveConstructor = true;
data().NeedOverloadResolutionForMoveAssignment = true;
}
if (isUnion()) {
if (FieldRec->hasNonTrivialMoveConstructor())
data().DefaultedMoveConstructorIsDeleted = true;
if (FieldRec->hasNonTrivialMoveAssignment())
data().DefaultedMoveAssignmentIsDeleted = true;
if (FieldRec->hasNonTrivialDestructor())
data().DefaultedDestructorIsDeleted = true;
}
if (!FieldRec->hasTrivialDefaultConstructor())
data().HasTrivialSpecialMembers &= ~SMF_DefaultConstructor;
if (!FieldRec->hasTrivialCopyConstructor())
data().HasTrivialSpecialMembers &= ~SMF_CopyConstructor;
if (!FieldRec->hasTrivialMoveConstructor())
data().HasTrivialSpecialMembers &= ~SMF_MoveConstructor;
if (!FieldRec->hasTrivialCopyAssignment())
data().HasTrivialSpecialMembers &= ~SMF_CopyAssignment;
if (!FieldRec->hasTrivialMoveAssignment())
data().HasTrivialSpecialMembers &= ~SMF_MoveAssignment;
if (!FieldRec->hasTrivialDestructor())
data().HasTrivialSpecialMembers &= ~SMF_Destructor;
if (!FieldRec->hasIrrelevantDestructor())
data().HasIrrelevantDestructor = false;
if (FieldRec->hasObjectMember())
setHasObjectMember(true);
if (FieldRec->hasVolatileMember())
setHasVolatileMember(true);
if (!FieldRec->isStandardLayout())
data().IsStandardLayout = false;
if (data().IsStandardLayout && data().Empty) {
for (const auto &BI : bases()) {
if (Context.hasSameUnqualifiedType(BI.getType(), T)) {
data().IsStandardLayout = false;
break;
}
}
}
if (FieldRec->hasMutableFields())
data().HasMutableFields = true;
if (!Field->hasInClassInitializer() &&
!FieldRec->hasConstexprDefaultConstructor() && !isUnion())
data().DefaultedDefaultConstructorIsConstexpr = false;
if (!FieldRec->hasCopyConstructorWithConstParam())
data().ImplicitCopyConstructorHasConstParam = false;
if (!FieldRec->hasCopyAssignmentWithConstParam())
data().ImplicitCopyAssignmentHasConstParam = false;
if (FieldRec->hasUninitializedReferenceMember() &&
!Field->hasInClassInitializer())
data().HasUninitializedReferenceMember = true;
if (FieldRec->hasVariantMembers() &&
Field->isAnonymousStructOrUnion())
data().HasVariantMembers = true;
}
} else {
if (!T->isLiteralType(Context) ||
(!Field->hasInClassInitializer() && !isUnion()))
data().DefaultedDefaultConstructorIsConstexpr = false;
if (T.isConstQualified())
data().DefaultedMoveAssignmentIsDeleted = true;
}
if (!data().HasNoNonEmptyBases)
data().IsStandardLayout = false;
if (data().Empty) {
if (!Field->isBitField() ||
(!Field->getBitWidth()->isTypeDependent() &&
!Field->getBitWidth()->isValueDependent() &&
Field->getBitWidthValue(Context) != 0))
data().Empty = false;
}
}
if (UsingShadowDecl *Shadow = dyn_cast<UsingShadowDecl>(D)) {
if (Shadow->getDeclName().getNameKind()
== DeclarationName::CXXConversionFunctionName) {
ASTContext &Ctx = getASTContext();
data().Conversions.get(Ctx).addDecl(Ctx, Shadow, Shadow->getAccess());
}
}
}
void CXXRecordDecl::finishedDefaultedOrDeletedMember(CXXMethodDecl *D) {
assert(!D->isImplicit() && !D->isUserProvided());
unsigned SMKind = 0;
if (CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(D)) {
if (Constructor->isDefaultConstructor()) {
SMKind |= SMF_DefaultConstructor;
if (Constructor->isConstexpr())
data().HasConstexprDefaultConstructor = true;
}
if (Constructor->isCopyConstructor())
SMKind |= SMF_CopyConstructor;
else if (Constructor->isMoveConstructor())
SMKind |= SMF_MoveConstructor;
else if (Constructor->isConstexpr())
data().HasConstexprNonCopyMoveConstructor = true;
} else if (isa<CXXDestructorDecl>(D)) {
SMKind |= SMF_Destructor;
if (!D->isTrivial() || D->getAccess() != AS_public || D->isDeleted())
data().HasIrrelevantDestructor = false;
} else if (D->isCopyAssignmentOperator())
SMKind |= SMF_CopyAssignment;
else if (D->isMoveAssignmentOperator())
SMKind |= SMF_MoveAssignment;
if (D->isTrivial())
data().HasTrivialSpecialMembers |= SMKind;
else
data().DeclaredNonTrivialSpecialMembers |= SMKind;
}
bool CXXRecordDecl::isCLike() const {
if (getTagKind() == TTK_Class || getTagKind() == TTK_Interface ||
!TemplateOrInstantiation.isNull())
return false;
if (!hasDefinition())
return true;
return isPOD() && data().HasOnlyCMembers;
}
bool CXXRecordDecl::isGenericLambda() const {
if (!isLambda()) return false;
return getLambdaData().IsGenericLambda;
}
CXXMethodDecl* CXXRecordDecl::getLambdaCallOperator() const {
if (!isLambda()) return nullptr;
DeclarationName Name =
getASTContext().DeclarationNames.getCXXOperatorName(OO_Call);
DeclContext::lookup_result Calls = lookup(Name);
assert(!Calls.empty() && "Missing lambda call operator!");
assert(Calls.size() == 1 && "More than one lambda call operator!");
NamedDecl *CallOp = Calls.front();
if (FunctionTemplateDecl *CallOpTmpl =
dyn_cast<FunctionTemplateDecl>(CallOp))
return cast<CXXMethodDecl>(CallOpTmpl->getTemplatedDecl());
return cast<CXXMethodDecl>(CallOp);
}
CXXMethodDecl* CXXRecordDecl::getLambdaStaticInvoker() const {
if (!isLambda()) return nullptr;
DeclarationName Name =
&getASTContext().Idents.get(getLambdaStaticInvokerName());
DeclContext::lookup_result Invoker = lookup(Name);
if (Invoker.empty()) return nullptr;
assert(Invoker.size() == 1 && "More than one static invoker operator!");
NamedDecl *InvokerFun = Invoker.front();
if (FunctionTemplateDecl *InvokerTemplate =
dyn_cast<FunctionTemplateDecl>(InvokerFun))
return cast<CXXMethodDecl>(InvokerTemplate->getTemplatedDecl());
return cast<CXXMethodDecl>(InvokerFun);
}
void CXXRecordDecl::getCaptureFields(
llvm::DenseMap<const VarDecl *, FieldDecl *> &Captures,
FieldDecl *&ThisCapture) const {
Captures.clear();
ThisCapture = nullptr;
LambdaDefinitionData &Lambda = getLambdaData();
RecordDecl::field_iterator Field = field_begin();
for (const LambdaCapture *C = Lambda.Captures, *CEnd = C + Lambda.NumCaptures;
C != CEnd; ++C, ++Field) {
if (C->capturesThis())
ThisCapture = *Field;
else if (C->capturesVariable())
Captures[C->getCapturedVar()] = *Field;
}
assert(Field == field_end());
}
TemplateParameterList *
CXXRecordDecl::getGenericLambdaTemplateParameterList() const {
if (!isLambda()) return nullptr;
CXXMethodDecl *CallOp = getLambdaCallOperator();
if (FunctionTemplateDecl *Tmpl = CallOp->getDescribedFunctionTemplate())
return Tmpl->getTemplateParameters();
return nullptr;
}
static CanQualType GetConversionType(ASTContext &Context, NamedDecl *Conv) {
QualType T =
cast<CXXConversionDecl>(Conv->getUnderlyingDecl()->getAsFunction())
->getConversionType();
return Context.getCanonicalType(T);
}
static void CollectVisibleConversions(ASTContext &Context,
CXXRecordDecl *Record,
bool InVirtual,
AccessSpecifier Access,
const llvm::SmallPtrSet<CanQualType, 8> &ParentHiddenTypes,
ASTUnresolvedSet &Output,
UnresolvedSetImpl &VOutput,
llvm::SmallPtrSet<NamedDecl*, 8> &HiddenVBaseCs) {
const llvm::SmallPtrSet<CanQualType, 8> *HiddenTypes = &ParentHiddenTypes;
llvm::SmallPtrSet<CanQualType, 8> HiddenTypesBuffer;
CXXRecordDecl::conversion_iterator ConvI = Record->conversion_begin();
CXXRecordDecl::conversion_iterator ConvE = Record->conversion_end();
if (ConvI != ConvE) {
HiddenTypesBuffer = ParentHiddenTypes;
HiddenTypes = &HiddenTypesBuffer;
for (CXXRecordDecl::conversion_iterator I = ConvI; I != ConvE; ++I) {
CanQualType ConvType(GetConversionType(Context, I.getDecl()));
bool Hidden = ParentHiddenTypes.count(ConvType);
if (!Hidden)
HiddenTypesBuffer.insert(ConvType);
if (Hidden && InVirtual)
HiddenVBaseCs.insert(cast<NamedDecl>(I.getDecl()->getCanonicalDecl()));
else if (!Hidden) {
AccessSpecifier IAccess
= CXXRecordDecl::MergeAccess(Access, I.getAccess());
if (InVirtual)
VOutput.addDecl(I.getDecl(), IAccess);
else
Output.addDecl(Context, I.getDecl(), IAccess);
}
}
}
for (const auto &I : Record->bases()) {
const RecordType *RT = I.getType()->getAs<RecordType>();
if (!RT) continue;
AccessSpecifier BaseAccess
= CXXRecordDecl::MergeAccess(Access, I.getAccessSpecifier());
bool BaseInVirtual = InVirtual || I.isVirtual();
CXXRecordDecl *Base = cast<CXXRecordDecl>(RT->getDecl());
CollectVisibleConversions(Context, Base, BaseInVirtual, BaseAccess,
*HiddenTypes, Output, VOutput, HiddenVBaseCs);
}
}
static void CollectVisibleConversions(ASTContext &Context,
CXXRecordDecl *Record,
ASTUnresolvedSet &Output) {
UnresolvedSet<8> VBaseCs;
llvm::SmallPtrSet<NamedDecl*, 8> HiddenVBaseCs;
llvm::SmallPtrSet<CanQualType, 8> HiddenTypes;
CXXRecordDecl::conversion_iterator ConvI = Record->conversion_begin();
CXXRecordDecl::conversion_iterator ConvE = Record->conversion_end();
Output.append(Context, ConvI, ConvE);
for (; ConvI != ConvE; ++ConvI)
HiddenTypes.insert(GetConversionType(Context, ConvI.getDecl()));
for (const auto &I : Record->bases()) {
const RecordType *RT = I.getType()->getAs<RecordType>();
if (!RT) continue;
CollectVisibleConversions(Context, cast<CXXRecordDecl>(RT->getDecl()),
I.isVirtual(), I.getAccessSpecifier(),
HiddenTypes, Output, VBaseCs, HiddenVBaseCs);
}
for (UnresolvedSetIterator I = VBaseCs.begin(), E = VBaseCs.end();
I != E; ++I) {
if (!HiddenVBaseCs.count(cast<NamedDecl>(I.getDecl()->getCanonicalDecl())))
Output.addDecl(Context, I.getDecl(), I.getAccess());
}
}
llvm::iterator_range<CXXRecordDecl::conversion_iterator>
CXXRecordDecl::getVisibleConversionFunctions() {
ASTContext &Ctx = getASTContext();
ASTUnresolvedSet *Set;
if (bases_begin() == bases_end()) {
Set = &data().Conversions.get(Ctx);
} else {
Set = &data().VisibleConversions.get(Ctx);
if (!data().ComputedVisibleConversions) {
CollectVisibleConversions(Ctx, this, *Set);
data().ComputedVisibleConversions = true;
}
}
return llvm::make_range(Set->begin(), Set->end());
}
void CXXRecordDecl::removeConversion(const NamedDecl *ConvDecl) {
ASTUnresolvedSet &Convs = data().Conversions.get(getASTContext());
for (unsigned I = 0, E = Convs.size(); I != E; ++I) {
if (Convs[I].getDecl() == ConvDecl) {
Convs.erase(I);
assert(std::find(Convs.begin(), Convs.end(), ConvDecl) == Convs.end()
&& "conversion was found multiple times in unresolved set");
return;
}
}
llvm_unreachable("conversion not found in set!");
}
CXXRecordDecl *CXXRecordDecl::getInstantiatedFromMemberClass() const {
if (MemberSpecializationInfo *MSInfo = getMemberSpecializationInfo())
return cast<CXXRecordDecl>(MSInfo->getInstantiatedFrom());
return nullptr;
}
MemberSpecializationInfo *CXXRecordDecl::getMemberSpecializationInfo() const {
return TemplateOrInstantiation.dyn_cast<MemberSpecializationInfo *>();
}
void
CXXRecordDecl::setInstantiationOfMemberClass(CXXRecordDecl *RD,
TemplateSpecializationKind TSK) {
assert(TemplateOrInstantiation.isNull() &&
"Previous template or instantiation?");
assert(!isa<ClassTemplatePartialSpecializationDecl>(this));
TemplateOrInstantiation
= new (getASTContext()) MemberSpecializationInfo(RD, TSK);
}
ClassTemplateDecl *CXXRecordDecl::getDescribedClassTemplate() const {
return TemplateOrInstantiation.dyn_cast<ClassTemplateDecl *>();
}
void CXXRecordDecl::setDescribedClassTemplate(ClassTemplateDecl *Template) {
TemplateOrInstantiation = Template;
}
TemplateSpecializationKind CXXRecordDecl::getTemplateSpecializationKind() const{
if (const ClassTemplateSpecializationDecl *Spec
= dyn_cast<ClassTemplateSpecializationDecl>(this))
return Spec->getSpecializationKind();
if (MemberSpecializationInfo *MSInfo = getMemberSpecializationInfo())
return MSInfo->getTemplateSpecializationKind();
return TSK_Undeclared;
}
void
CXXRecordDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK) {
if (ClassTemplateSpecializationDecl *Spec
= dyn_cast<ClassTemplateSpecializationDecl>(this)) {
Spec->setSpecializationKind(TSK);
return;
}
if (MemberSpecializationInfo *MSInfo = getMemberSpecializationInfo()) {
MSInfo->setTemplateSpecializationKind(TSK);
return;
}
llvm_unreachable("Not a class template or member class specialization");
}
const CXXRecordDecl *CXXRecordDecl::getTemplateInstantiationPattern() const {
if (auto *TD = dyn_cast<ClassTemplateSpecializationDecl>(this)) {
auto From = TD->getInstantiatedFrom();
if (auto *CTD = From.dyn_cast<ClassTemplateDecl *>()) {
while (auto *NewCTD = CTD->getInstantiatedFromMemberTemplate()) {
if (NewCTD->isMemberSpecialization())
break;
CTD = NewCTD;
}
return CTD->getTemplatedDecl()->getDefinition();
}
if (auto *CTPSD =
From.dyn_cast<ClassTemplatePartialSpecializationDecl *>()) {
while (auto *NewCTPSD = CTPSD->getInstantiatedFromMember()) {
if (NewCTPSD->isMemberSpecialization())
break;
CTPSD = NewCTPSD;
}
return CTPSD->getDefinition();
}
}
if (MemberSpecializationInfo *MSInfo = getMemberSpecializationInfo()) {
if (isTemplateInstantiation(MSInfo->getTemplateSpecializationKind())) {
const CXXRecordDecl *RD = this;
while (auto *NewRD = RD->getInstantiatedFromMemberClass())
RD = NewRD;
return RD->getDefinition();
}
}
assert(!isTemplateInstantiation(this->getTemplateSpecializationKind()) &&
"couldn't find pattern for class template instantiation");
return nullptr;
}
CXXDestructorDecl *CXXRecordDecl::getDestructor() const {
ASTContext &Context = getASTContext();
QualType ClassType = Context.getTypeDeclType(this);
DeclarationName Name
= Context.DeclarationNames.getCXXDestructorName(
Context.getCanonicalType(ClassType));
DeclContext::lookup_result R = lookup(Name);
if (R.empty())
return nullptr;
CXXDestructorDecl *Dtor = cast<CXXDestructorDecl>(R.front());
return Dtor;
}
bool CXXRecordDecl::isAnyDestructorNoReturn() const {
if (const CXXDestructorDecl *Destructor = getDestructor())
if (Destructor->isNoReturn())
return true;
for (const auto &Base : bases())
if (Base.getType()->getAsCXXRecordDecl()->isAnyDestructorNoReturn())
return true;
for (const auto *Field : fields())
if (const CXXRecordDecl *RD =
Field->getType()->getBaseElementTypeUnsafe()->getAsCXXRecordDecl())
if (RD->isAnyDestructorNoReturn())
return true;
return false;
}
void CXXRecordDecl::completeDefinition() {
completeDefinition(nullptr);
}
void CXXRecordDecl::completeDefinition(CXXFinalOverriderMap *FinalOverriders) {
RecordDecl::completeDefinition();
if (mayBeAbstract()) {
CXXFinalOverriderMap MyFinalOverriders;
if (!FinalOverriders) {
getFinalOverriders(MyFinalOverriders);
FinalOverriders = &MyFinalOverriders;
}
bool Done = false;
for (CXXFinalOverriderMap::iterator M = FinalOverriders->begin(),
MEnd = FinalOverriders->end();
M != MEnd && !Done; ++M) {
for (OverridingMethods::iterator SO = M->second.begin(),
SOEnd = M->second.end();
SO != SOEnd && !Done; ++SO) {
assert(SO->second.size() > 0 &&
"All virtual functions have overridding virtual functions");
if (SO->second.front().Method->isPure()) {
data().Abstract = true;
Done = true;
break;
}
}
}
}
for (conversion_iterator I = conversion_begin(), E = conversion_end();
I != E; ++I)
I.setAccess((*I)->getAccess());
}
bool CXXRecordDecl::mayBeAbstract() const {
if (data().Abstract || isInvalidDecl() || !data().Polymorphic ||
isDependentContext())
return false;
for (const auto &B : bases()) {
CXXRecordDecl *BaseDecl
= cast<CXXRecordDecl>(B.getType()->getAs<RecordType>()->getDecl());
if (BaseDecl->isAbstract())
return true;
}
return false;
}
void CXXMethodDecl::anchor() { }
bool CXXMethodDecl::isStatic() const {
const CXXMethodDecl *MD = getCanonicalDecl();
if (MD->getStorageClass() == SC_Static)
return true;
OverloadedOperatorKind OOK = getDeclName().getCXXOverloadedOperator();
return isStaticOverloadedOperator(OOK);
}
static bool recursivelyOverrides(const CXXMethodDecl *DerivedMD,
const CXXMethodDecl *BaseMD) {
for (CXXMethodDecl::method_iterator I = DerivedMD->begin_overridden_methods(),
E = DerivedMD->end_overridden_methods(); I != E; ++I) {
const CXXMethodDecl *MD = *I;
if (MD->getCanonicalDecl() == BaseMD->getCanonicalDecl())
return true;
if (recursivelyOverrides(MD, BaseMD))
return true;
}
return false;
}
CXXMethodDecl *
CXXMethodDecl::getCorrespondingMethodInClass(const CXXRecordDecl *RD,
bool MayBeBase) {
if (this->getParent()->getCanonicalDecl() == RD->getCanonicalDecl())
return this;
if (isa<CXXDestructorDecl>(this)) {
CXXMethodDecl *MD = RD->getDestructor();
if (MD) {
if (recursivelyOverrides(MD, this))
return MD;
if (MayBeBase && recursivelyOverrides(this, MD))
return MD;
}
return nullptr;
}
for (auto *ND : RD->lookup(getDeclName())) {
CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(ND);
if (!MD)
continue;
if (recursivelyOverrides(MD, this))
return MD;
if (MayBeBase && recursivelyOverrides(this, MD))
return MD;
}
for (const auto &I : RD->bases()) {
const RecordType *RT = I.getType()->getAs<RecordType>();
if (!RT)
continue;
const CXXRecordDecl *Base = cast<CXXRecordDecl>(RT->getDecl());
CXXMethodDecl *T = this->getCorrespondingMethodInClass(Base);
if (T)
return T;
}
return nullptr;
}
CXXMethodDecl *
CXXMethodDecl::Create(ASTContext &C, CXXRecordDecl *RD,
SourceLocation StartLoc,
const DeclarationNameInfo &NameInfo,
QualType T, TypeSourceInfo *TInfo,
StorageClass SC, bool isInline,
bool isConstexpr, SourceLocation EndLocation) {
return new (C, RD) CXXMethodDecl(CXXMethod, C, RD, StartLoc, NameInfo,
T, TInfo, SC, isInline, isConstexpr,
EndLocation);
}
CXXMethodDecl *CXXMethodDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) CXXMethodDecl(CXXMethod, C, nullptr, SourceLocation(),
DeclarationNameInfo(), QualType(), nullptr,
SC_None, false, false, SourceLocation());
}
bool CXXMethodDecl::isUsualDeallocationFunction() const {
if (getOverloadedOperator() != OO_Delete &&
getOverloadedOperator() != OO_Array_Delete)
return false;
if (getPrimaryTemplate())
return false;
if (getNumParams() == 1)
return true;
ASTContext &Context = getASTContext();
if (getNumParams() != 2 ||
!Context.hasSameUnqualifiedType(getParamDecl(1)->getType(),
Context.getSizeType()))
return false;
DeclContext::lookup_result R = getDeclContext()->lookup(getDeclName());
for (DeclContext::lookup_result::iterator I = R.begin(), E = R.end();
I != E; ++I) {
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I))
if (FD->getNumParams() == 1)
return false;
}
return true;
}
bool CXXMethodDecl::isCopyAssignmentOperator() const {
if (getOverloadedOperator() != OO_Equal ||
isStatic() ||
getPrimaryTemplate() || getDescribedFunctionTemplate() ||
getNumParams() != 1)
return false;
QualType ParamType = getParamDecl(0)->getType();
if (const LValueReferenceType *Ref = ParamType->getAs<LValueReferenceType>())
ParamType = Ref->getPointeeType();
ASTContext &Context = getASTContext();
QualType ClassType
= Context.getCanonicalType(Context.getTypeDeclType(getParent()));
return Context.hasSameUnqualifiedType(ClassType, ParamType);
}
bool CXXMethodDecl::isMoveAssignmentOperator() const {
if (getOverloadedOperator() != OO_Equal || isStatic() ||
getPrimaryTemplate() || getDescribedFunctionTemplate() ||
getNumParams() != 1)
return false;
QualType ParamType = getParamDecl(0)->getType();
if (!isa<RValueReferenceType>(ParamType))
return false;
ParamType = ParamType->getPointeeType();
ASTContext &Context = getASTContext();
QualType ClassType
= Context.getCanonicalType(Context.getTypeDeclType(getParent()));
return Context.hasSameUnqualifiedType(ClassType, ParamType);
}
void CXXMethodDecl::addOverriddenMethod(const CXXMethodDecl *MD) {
assert(MD->isCanonicalDecl() && "Method is not canonical!");
assert(!MD->getParent()->isDependentContext() &&
"Can't add an overridden method to a class template!");
assert(MD->isVirtual() && "Method is not virtual!");
getASTContext().addOverriddenMethod(this, MD);
}
CXXMethodDecl::method_iterator CXXMethodDecl::begin_overridden_methods() const {
if (isa<CXXConstructorDecl>(this)) return nullptr;
return getASTContext().overridden_methods_begin(this);
}
CXXMethodDecl::method_iterator CXXMethodDecl::end_overridden_methods() const {
if (isa<CXXConstructorDecl>(this)) return nullptr;
return getASTContext().overridden_methods_end(this);
}
unsigned CXXMethodDecl::size_overridden_methods() const {
if (isa<CXXConstructorDecl>(this)) return 0;
return getASTContext().overridden_methods_size(this);
}
QualType CXXMethodDecl::getThisType(ASTContext &C) const {
assert(isInstance() && "No 'this' for static methods!");
QualType ClassTy = C.getTypeDeclType(getParent());
ClassTy = C.getQualifiedType(ClassTy,
Qualifiers::fromCVRMask(getTypeQualifiers()));
return C.getPointerType(ClassTy);
}
bool CXXMethodDecl::hasInlineBody() const {
const FunctionDecl *CheckFn = getTemplateInstantiationPattern();
if (!CheckFn)
CheckFn = this;
const FunctionDecl *fn;
return CheckFn->hasBody(fn) && !fn->isOutOfLine();
}
bool CXXMethodDecl::isLambdaStaticInvoker() const {
const CXXRecordDecl *P = getParent();
if (P->isLambda()) {
if (const CXXMethodDecl *StaticInvoker = P->getLambdaStaticInvoker()) {
if (StaticInvoker == this) return true;
if (P->isGenericLambda() && this->isFunctionTemplateSpecialization())
return StaticInvoker == this->getPrimaryTemplate()->getTemplatedDecl();
}
}
return false;
}
CXXCtorInitializer::CXXCtorInitializer(ASTContext &Context,
TypeSourceInfo *TInfo, bool IsVirtual,
SourceLocation L, Expr *Init,
SourceLocation R,
SourceLocation EllipsisLoc)
: Initializee(TInfo), MemberOrEllipsisLocation(EllipsisLoc), Init(Init),
LParenLoc(L), RParenLoc(R), IsDelegating(false), IsVirtual(IsVirtual),
IsWritten(false), SourceOrderOrNumArrayIndices(0)
{
}
CXXCtorInitializer::CXXCtorInitializer(ASTContext &Context,
FieldDecl *Member,
SourceLocation MemberLoc,
SourceLocation L, Expr *Init,
SourceLocation R)
: Initializee(Member), MemberOrEllipsisLocation(MemberLoc), Init(Init),
LParenLoc(L), RParenLoc(R), IsDelegating(false), IsVirtual(false),
IsWritten(false), SourceOrderOrNumArrayIndices(0)
{
}
CXXCtorInitializer::CXXCtorInitializer(ASTContext &Context,
IndirectFieldDecl *Member,
SourceLocation MemberLoc,
SourceLocation L, Expr *Init,
SourceLocation R)
: Initializee(Member), MemberOrEllipsisLocation(MemberLoc), Init(Init),
LParenLoc(L), RParenLoc(R), IsDelegating(false), IsVirtual(false),
IsWritten(false), SourceOrderOrNumArrayIndices(0)
{
}
CXXCtorInitializer::CXXCtorInitializer(ASTContext &Context,
TypeSourceInfo *TInfo,
SourceLocation L, Expr *Init,
SourceLocation R)
: Initializee(TInfo), MemberOrEllipsisLocation(), Init(Init),
LParenLoc(L), RParenLoc(R), IsDelegating(true), IsVirtual(false),
IsWritten(false), SourceOrderOrNumArrayIndices(0)
{
}
CXXCtorInitializer::CXXCtorInitializer(ASTContext &Context,
FieldDecl *Member,
SourceLocation MemberLoc,
SourceLocation L, Expr *Init,
SourceLocation R,
VarDecl **Indices,
unsigned NumIndices)
: Initializee(Member), MemberOrEllipsisLocation(MemberLoc), Init(Init),
LParenLoc(L), RParenLoc(R), IsDelegating(false), IsVirtual(false),
IsWritten(false), SourceOrderOrNumArrayIndices(NumIndices)
{
std::uninitialized_copy(Indices, Indices + NumIndices,
getTrailingObjects<VarDecl *>());
}
CXXCtorInitializer *CXXCtorInitializer::Create(ASTContext &Context,
FieldDecl *Member,
SourceLocation MemberLoc,
SourceLocation L, Expr *Init,
SourceLocation R,
VarDecl **Indices,
unsigned NumIndices) {
void *Mem = Context.Allocate(totalSizeToAlloc<VarDecl *>(NumIndices),
llvm::alignOf<CXXCtorInitializer>());
return new (Mem) CXXCtorInitializer(Context, Member, MemberLoc, L, Init, R,
Indices, NumIndices);
}
TypeLoc CXXCtorInitializer::getBaseClassLoc() const {
if (isBaseInitializer())
return Initializee.get<TypeSourceInfo*>()->getTypeLoc();
else
return TypeLoc();
}
const Type *CXXCtorInitializer::getBaseClass() const {
if (isBaseInitializer())
return Initializee.get<TypeSourceInfo*>()->getType().getTypePtr();
else
return nullptr;
}
SourceLocation CXXCtorInitializer::getSourceLocation() const {
if (isInClassMemberInitializer())
return getAnyMember()->getLocation();
if (isAnyMemberInitializer())
return getMemberLocation();
if (TypeSourceInfo *TSInfo = Initializee.get<TypeSourceInfo*>())
return TSInfo->getTypeLoc().getLocalSourceRange().getBegin();
return SourceLocation();
}
SourceRange CXXCtorInitializer::getSourceRange() const {
if (isInClassMemberInitializer()) {
FieldDecl *D = getAnyMember();
if (Expr *I = D->getInClassInitializer())
return I->getSourceRange();
return SourceRange();
}
return SourceRange(getSourceLocation(), getRParenLoc());
}
void CXXConstructorDecl::anchor() { }
CXXConstructorDecl *
CXXConstructorDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) CXXConstructorDecl(C, nullptr, SourceLocation(),
DeclarationNameInfo(), QualType(),
nullptr, false, false, false, false);
}
CXXConstructorDecl *
CXXConstructorDecl::Create(ASTContext &C, CXXRecordDecl *RD,
SourceLocation StartLoc,
const DeclarationNameInfo &NameInfo,
QualType T, TypeSourceInfo *TInfo,
bool isExplicit, bool isInline,
bool isImplicitlyDeclared, bool isConstexpr) {
assert(NameInfo.getName().getNameKind()
== DeclarationName::CXXConstructorName &&
"Name must refer to a constructor");
return new (C, RD) CXXConstructorDecl(C, RD, StartLoc, NameInfo, T, TInfo,
isExplicit, isInline,
isImplicitlyDeclared, isConstexpr);
}
CXXConstructorDecl::init_const_iterator CXXConstructorDecl::init_begin() const {
return CtorInitializers.get(getASTContext().getExternalSource());
}
CXXConstructorDecl *CXXConstructorDecl::getTargetConstructor() const {
assert(isDelegatingConstructor() && "Not a delegating constructor!");
Expr *E = (*init_begin())->getInit()->IgnoreImplicit();
if (CXXConstructExpr *Construct = dyn_cast<CXXConstructExpr>(E))
return Construct->getConstructor();
return nullptr;
}
bool CXXConstructorDecl::isDefaultConstructor() const {
return (getNumParams() == 0) ||
(getNumParams() > 0 && getParamDecl(0)->hasDefaultArg());
}
bool
CXXConstructorDecl::isCopyConstructor(unsigned &TypeQuals) const {
return isCopyOrMoveConstructor(TypeQuals) &&
getParamDecl(0)->getType()->isLValueReferenceType();
}
bool CXXConstructorDecl::isMoveConstructor(unsigned &TypeQuals) const {
return isCopyOrMoveConstructor(TypeQuals) &&
getParamDecl(0)->getType()->isRValueReferenceType();
}
bool CXXConstructorDecl::isCopyOrMoveConstructor(unsigned &TypeQuals) const {
if ((getNumParams() < 1) ||
(getNumParams() > 1 && !getParamDecl(1)->hasDefaultArg()) ||
(getPrimaryTemplate() != nullptr) ||
(getDescribedFunctionTemplate() != nullptr))
return false;
const ParmVarDecl *Param = getParamDecl(0);
const ReferenceType *ParamRefType = Param->getType()->getAs<ReferenceType>();
if (!ParamRefType)
return false;
ASTContext &Context = getASTContext();
CanQualType PointeeType
= Context.getCanonicalType(ParamRefType->getPointeeType());
CanQualType ClassTy
= Context.getCanonicalType(Context.getTagDeclType(getParent()));
if (PointeeType.getUnqualifiedType() != ClassTy)
return false;
TypeQuals = PointeeType.getCVRQualifiers();
return true;
}
bool CXXConstructorDecl::isConvertingConstructor(bool AllowExplicit) const {
if (isExplicit() && !AllowExplicit)
return false;
return (getNumParams() == 0 &&
getType()->getAs<FunctionProtoType>()->isVariadic()) ||
(getNumParams() == 1) ||
(getNumParams() > 1 &&
(getParamDecl(1)->hasDefaultArg() ||
getParamDecl(1)->isParameterPack()));
}
bool CXXConstructorDecl::isSpecializationCopyingObject() const {
if ((getNumParams() < 1) ||
(getNumParams() > 1 && !getParamDecl(1)->hasDefaultArg()) ||
(getDescribedFunctionTemplate() != nullptr))
return false;
const ParmVarDecl *Param = getParamDecl(0);
ASTContext &Context = getASTContext();
CanQualType ParamType = Context.getCanonicalType(Param->getType());
CanQualType ClassTy
= Context.getCanonicalType(Context.getTagDeclType(getParent()));
if (ParamType.getUnqualifiedType() != ClassTy)
return false;
return true;
}
const CXXConstructorDecl *CXXConstructorDecl::getInheritedConstructor() const {
method_iterator It = getASTContext().overridden_methods_begin(this);
if (It == getASTContext().overridden_methods_end(this))
return nullptr;
return cast<CXXConstructorDecl>(*It);
}
void
CXXConstructorDecl::setInheritedConstructor(const CXXConstructorDecl *BaseCtor){
assert(getASTContext().overridden_methods_size(this) == 0 &&
"Base ctor already set.");
getASTContext().addOverriddenMethod(this, BaseCtor);
}
void CXXDestructorDecl::anchor() { }
CXXDestructorDecl *
CXXDestructorDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID)
CXXDestructorDecl(C, nullptr, SourceLocation(), DeclarationNameInfo(),
QualType(), nullptr, false, false);
}
CXXDestructorDecl *
CXXDestructorDecl::Create(ASTContext &C, CXXRecordDecl *RD,
SourceLocation StartLoc,
const DeclarationNameInfo &NameInfo,
QualType T, TypeSourceInfo *TInfo,
bool isInline, bool isImplicitlyDeclared) {
assert(NameInfo.getName().getNameKind()
== DeclarationName::CXXDestructorName &&
"Name must refer to a destructor");
return new (C, RD) CXXDestructorDecl(C, RD, StartLoc, NameInfo, T, TInfo,
isInline, isImplicitlyDeclared);
}
void CXXDestructorDecl::setOperatorDelete(FunctionDecl *OD) {
auto *First = cast<CXXDestructorDecl>(getFirstDecl());
if (OD && !First->OperatorDelete) {
First->OperatorDelete = OD;
if (auto *L = getASTMutationListener())
L->ResolvedOperatorDelete(First, OD);
}
}
void CXXConversionDecl::anchor() { }
CXXConversionDecl *
CXXConversionDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) CXXConversionDecl(C, nullptr, SourceLocation(),
DeclarationNameInfo(), QualType(),
nullptr, false, false, false,
SourceLocation());
}
CXXConversionDecl *
CXXConversionDecl::Create(ASTContext &C, CXXRecordDecl *RD,
SourceLocation StartLoc,
const DeclarationNameInfo &NameInfo,
QualType T, TypeSourceInfo *TInfo,
bool isInline, bool isExplicit,
bool isConstexpr, SourceLocation EndLocation) {
assert(NameInfo.getName().getNameKind()
== DeclarationName::CXXConversionFunctionName &&
"Name must refer to a conversion function");
return new (C, RD) CXXConversionDecl(C, RD, StartLoc, NameInfo, T, TInfo,
isInline, isExplicit, isConstexpr,
EndLocation);
}
bool CXXConversionDecl::isLambdaToBlockPointerConversion() const {
return isImplicit() && getParent()->isLambda() &&
getConversionType()->isBlockPointerType();
}
void LinkageSpecDecl::anchor() { }
LinkageSpecDecl *LinkageSpecDecl::Create(ASTContext &C,
DeclContext *DC,
SourceLocation ExternLoc,
SourceLocation LangLoc,
LanguageIDs Lang,
bool HasBraces) {
return new (C, DC) LinkageSpecDecl(DC, ExternLoc, LangLoc, Lang, HasBraces);
}
LinkageSpecDecl *LinkageSpecDecl::CreateDeserialized(ASTContext &C,
unsigned ID) {
return new (C, ID) LinkageSpecDecl(nullptr, SourceLocation(),
SourceLocation(), lang_c, false);
}
void UsingDirectiveDecl::anchor() { }
UsingDirectiveDecl *UsingDirectiveDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L,
SourceLocation NamespaceLoc,
NestedNameSpecifierLoc QualifierLoc,
SourceLocation IdentLoc,
NamedDecl *Used,
DeclContext *CommonAncestor) {
if (NamespaceDecl *NS = dyn_cast_or_null<NamespaceDecl>(Used))
Used = NS->getOriginalNamespace();
return new (C, DC) UsingDirectiveDecl(DC, L, NamespaceLoc, QualifierLoc,
IdentLoc, Used, CommonAncestor);
}
UsingDirectiveDecl *UsingDirectiveDecl::CreateDeserialized(ASTContext &C,
unsigned ID) {
return new (C, ID) UsingDirectiveDecl(nullptr, SourceLocation(),
SourceLocation(),
NestedNameSpecifierLoc(),
SourceLocation(), nullptr, nullptr);
}
NamespaceDecl *UsingDirectiveDecl::getNominatedNamespace() {
if (NamespaceAliasDecl *NA =
dyn_cast_or_null<NamespaceAliasDecl>(NominatedNamespace))
return NA->getNamespace();
return cast_or_null<NamespaceDecl>(NominatedNamespace);
}
NamespaceDecl::NamespaceDecl(ASTContext &C, DeclContext *DC, bool Inline,
SourceLocation StartLoc, SourceLocation IdLoc,
IdentifierInfo *Id, NamespaceDecl *PrevDecl)
: NamedDecl(Namespace, DC, IdLoc, Id), DeclContext(Namespace),
redeclarable_base(C), LocStart(StartLoc), RBraceLoc(),
AnonOrFirstNamespaceAndInline(nullptr, Inline) {
setPreviousDecl(PrevDecl);
if (PrevDecl)
AnonOrFirstNamespaceAndInline.setPointer(PrevDecl->getOriginalNamespace());
}
NamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC,
bool Inline, SourceLocation StartLoc,
SourceLocation IdLoc, IdentifierInfo *Id,
NamespaceDecl *PrevDecl) {
return new (C, DC) NamespaceDecl(C, DC, Inline, StartLoc, IdLoc, Id,
PrevDecl);
}
NamespaceDecl *NamespaceDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) NamespaceDecl(C, nullptr, false, SourceLocation(),
SourceLocation(), nullptr, nullptr);
}
NamespaceDecl *NamespaceDecl::getOriginalNamespace() {
if (isFirstDecl())
return this;
return AnonOrFirstNamespaceAndInline.getPointer();
}
const NamespaceDecl *NamespaceDecl::getOriginalNamespace() const {
if (isFirstDecl())
return this;
return AnonOrFirstNamespaceAndInline.getPointer();
}
bool NamespaceDecl::isOriginalNamespace() const { return isFirstDecl(); }
NamespaceDecl *NamespaceDecl::getNextRedeclarationImpl() {
return getNextRedeclaration();
}
NamespaceDecl *NamespaceDecl::getPreviousDeclImpl() {
return getPreviousDecl();
}
NamespaceDecl *NamespaceDecl::getMostRecentDeclImpl() {
return getMostRecentDecl();
}
void NamespaceAliasDecl::anchor() { }
NamespaceAliasDecl *NamespaceAliasDecl::getNextRedeclarationImpl() {
return getNextRedeclaration();
}
NamespaceAliasDecl *NamespaceAliasDecl::getPreviousDeclImpl() {
return getPreviousDecl();
}
NamespaceAliasDecl *NamespaceAliasDecl::getMostRecentDeclImpl() {
return getMostRecentDecl();
}
NamespaceAliasDecl *NamespaceAliasDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation UsingLoc,
SourceLocation AliasLoc,
IdentifierInfo *Alias,
NestedNameSpecifierLoc QualifierLoc,
SourceLocation IdentLoc,
NamedDecl *Namespace) {
if (NamespaceDecl *NS = dyn_cast_or_null<NamespaceDecl>(Namespace))
Namespace = NS->getOriginalNamespace();
return new (C, DC) NamespaceAliasDecl(C, DC, UsingLoc, AliasLoc, Alias,
QualifierLoc, IdentLoc, Namespace);
}
NamespaceAliasDecl *
NamespaceAliasDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) NamespaceAliasDecl(C, nullptr, SourceLocation(),
SourceLocation(), nullptr,
NestedNameSpecifierLoc(),
SourceLocation(), nullptr);
}
void UsingShadowDecl::anchor() { }
UsingShadowDecl *
UsingShadowDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) UsingShadowDecl(C, nullptr, SourceLocation(),
nullptr, nullptr);
}
UsingDecl *UsingShadowDecl::getUsingDecl() const {
const UsingShadowDecl *Shadow = this;
while (const UsingShadowDecl *NextShadow =
dyn_cast<UsingShadowDecl>(Shadow->UsingOrNextShadow))
Shadow = NextShadow;
return cast<UsingDecl>(Shadow->UsingOrNextShadow);
}
void UsingDecl::anchor() { }
void UsingDecl::addShadowDecl(UsingShadowDecl *S) {
assert(std::find(shadow_begin(), shadow_end(), S) == shadow_end() &&
"declaration already in set");
assert(S->getUsingDecl() == this);
if (FirstUsingShadow.getPointer())
S->UsingOrNextShadow = FirstUsingShadow.getPointer();
FirstUsingShadow.setPointer(S);
}
void UsingDecl::removeShadowDecl(UsingShadowDecl *S) {
assert(std::find(shadow_begin(), shadow_end(), S) != shadow_end() &&
"declaration not in set");
assert(S->getUsingDecl() == this);
if (FirstUsingShadow.getPointer() == S) {
FirstUsingShadow.setPointer(
dyn_cast<UsingShadowDecl>(S->UsingOrNextShadow));
S->UsingOrNextShadow = this;
return;
}
UsingShadowDecl *Prev = FirstUsingShadow.getPointer();
while (Prev->UsingOrNextShadow != S)
Prev = cast<UsingShadowDecl>(Prev->UsingOrNextShadow);
Prev->UsingOrNextShadow = S->UsingOrNextShadow;
S->UsingOrNextShadow = this;
}
UsingDecl *UsingDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation UL,
NestedNameSpecifierLoc QualifierLoc,
const DeclarationNameInfo &NameInfo,
bool HasTypename) {
return new (C, DC) UsingDecl(DC, UL, QualifierLoc, NameInfo, HasTypename);
}
UsingDecl *UsingDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) UsingDecl(nullptr, SourceLocation(),
NestedNameSpecifierLoc(), DeclarationNameInfo(),
false);
}
SourceRange UsingDecl::getSourceRange() const {
SourceLocation Begin = isAccessDeclaration()
? getQualifierLoc().getBeginLoc() : UsingLocation;
return SourceRange(Begin, getNameInfo().getEndLoc());
}
void UnresolvedUsingValueDecl::anchor() { }
UnresolvedUsingValueDecl *
UnresolvedUsingValueDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation UsingLoc,
NestedNameSpecifierLoc QualifierLoc,
const DeclarationNameInfo &NameInfo) {
return new (C, DC) UnresolvedUsingValueDecl(DC, C.DependentTy, UsingLoc,
QualifierLoc, NameInfo);
}
UnresolvedUsingValueDecl *
UnresolvedUsingValueDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) UnresolvedUsingValueDecl(nullptr, QualType(),
SourceLocation(),
NestedNameSpecifierLoc(),
DeclarationNameInfo());
}
SourceRange UnresolvedUsingValueDecl::getSourceRange() const {
SourceLocation Begin = isAccessDeclaration()
? getQualifierLoc().getBeginLoc() : UsingLocation;
return SourceRange(Begin, getNameInfo().getEndLoc());
}
void UnresolvedUsingTypenameDecl::anchor() { }
UnresolvedUsingTypenameDecl *
UnresolvedUsingTypenameDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation UsingLoc,
SourceLocation TypenameLoc,
NestedNameSpecifierLoc QualifierLoc,
SourceLocation TargetNameLoc,
DeclarationName TargetName) {
return new (C, DC) UnresolvedUsingTypenameDecl(
DC, UsingLoc, TypenameLoc, QualifierLoc, TargetNameLoc,
TargetName.getAsIdentifierInfo());
}
UnresolvedUsingTypenameDecl *
UnresolvedUsingTypenameDecl::CreateDeserialized(ASTContext &C, unsigned ID) {
return new (C, ID) UnresolvedUsingTypenameDecl(
nullptr, SourceLocation(), SourceLocation(), NestedNameSpecifierLoc(),
SourceLocation(), nullptr);
}
void StaticAssertDecl::anchor() { }
StaticAssertDecl *StaticAssertDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation StaticAssertLoc,
Expr *AssertExpr,
StringLiteral *Message,
SourceLocation RParenLoc,
bool Failed) {
return new (C, DC) StaticAssertDecl(DC, StaticAssertLoc, AssertExpr, Message,
RParenLoc, Failed);
}
StaticAssertDecl *StaticAssertDecl::CreateDeserialized(ASTContext &C,
unsigned ID) {
return new (C, ID) StaticAssertDecl(nullptr, SourceLocation(), nullptr,
nullptr, SourceLocation(), false);
}
MSPropertyDecl *MSPropertyDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L, DeclarationName N,
QualType T, TypeSourceInfo *TInfo,
SourceLocation StartL,
IdentifierInfo *Getter,
IdentifierInfo *Setter) {
return new (C, DC) MSPropertyDecl(DC, L, N, T, TInfo, StartL, Getter, Setter);
}
MSPropertyDecl *MSPropertyDecl::CreateDeserialized(ASTContext &C,
unsigned ID) {
return new (C, ID) MSPropertyDecl(nullptr, SourceLocation(),
DeclarationName(), QualType(), nullptr,
SourceLocation(), nullptr, nullptr);
}
static const char *getAccessName(AccessSpecifier AS) {
switch (AS) {
case AS_none:
llvm_unreachable("Invalid access specifier!");
case AS_public:
return "public";
case AS_private:
return "private";
case AS_protected:
return "protected";
}
llvm_unreachable("Invalid access specifier!");
}
const DiagnosticBuilder &clang::operator<<(const DiagnosticBuilder &DB,
AccessSpecifier AS) {
return DB << getAccessName(AS);
}
const PartialDiagnostic &clang::operator<<(const PartialDiagnostic &DB,
AccessSpecifier AS) {
return DB << getAccessName(AS);
}