RecursiveASTVisitor.h [plain text]
#ifndef LLVM_CLANG_LIBCLANG_RECURSIVEASTVISITOR_H
#define LLVM_CLANG_LIBCLANG_RECURSIVEASTVISITOR_H
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclFriend.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/ExprObjC.h"
#include "clang/AST/NestedNameSpecifier.h"
#include "clang/AST/Stmt.h"
#include "clang/AST/StmtCXX.h"
#include "clang/AST/StmtObjC.h"
#include "clang/AST/TemplateBase.h"
#include "clang/AST/TemplateName.h"
#include "clang/AST/Type.h"
#include "clang/AST/TypeLoc.h"
#define UNARYOP_LIST() \
OPERATOR(PostInc) OPERATOR(PostDec) \
OPERATOR(PreInc) OPERATOR(PreDec) \
OPERATOR(AddrOf) OPERATOR(Deref) \
OPERATOR(Plus) OPERATOR(Minus) \
OPERATOR(Not) OPERATOR(LNot) \
OPERATOR(Real) OPERATOR(Imag) \
OPERATOR(Extension)
#define BINOP_LIST() \
OPERATOR(PtrMemD) OPERATOR(PtrMemI) \
OPERATOR(Mul) OPERATOR(Div) OPERATOR(Rem) \
OPERATOR(Add) OPERATOR(Sub) OPERATOR(Shl) \
OPERATOR(Shr) \
\
OPERATOR(LT) OPERATOR(GT) OPERATOR(LE) \
OPERATOR(GE) OPERATOR(EQ) OPERATOR(NE) \
OPERATOR(And) OPERATOR(Xor) OPERATOR(Or) \
OPERATOR(LAnd) OPERATOR(LOr) \
\
OPERATOR(Assign) \
OPERATOR(Comma)
#define CAO_LIST() \
OPERATOR(Mul) OPERATOR(Div) OPERATOR(Rem) OPERATOR(Add) OPERATOR(Sub) \
OPERATOR(Shl) OPERATOR(Shr) OPERATOR(And) OPERATOR(Or) OPERATOR(Xor)
namespace clang {
namespace cxindex {
#define TRY_TO(CALL_EXPR) \
do { if (!getDerived().CALL_EXPR) return false; } while (0)
template<typename Derived>
class RecursiveASTVisitor {
public:
Derived &getDerived() { return *static_cast<Derived*>(this); }
bool shouldVisitTemplateInstantiations() const { return false; }
bool shouldWalkTypesOfTypeLocs() const { return true; }
bool TraverseStmt(Stmt *S);
bool TraverseType(QualType T);
bool TraverseTypeLoc(TypeLoc TL);
bool TraverseDecl(Decl *D);
bool TraverseNestedNameSpecifier(NestedNameSpecifier *NNS);
bool TraverseNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS);
bool TraverseDeclarationNameInfo(DeclarationNameInfo NameInfo);
bool TraverseTemplateName(TemplateName Template);
bool TraverseTemplateArgument(const TemplateArgument &Arg);
bool TraverseTemplateArgumentLoc(const TemplateArgumentLoc &ArgLoc);
bool TraverseTemplateArguments(const TemplateArgument *Args,
unsigned NumArgs);
bool TraverseConstructorInitializer(CXXCtorInitializer *Init);
bool TraverseLambdaCapture(LambdaExpr::Capture C);
#define ABSTRACT_STMT(STMT)
#define STMT(CLASS, PARENT) \
bool Traverse##CLASS(CLASS *S);
#include "clang/AST/StmtNodes.inc"
bool WalkUpFromStmt(Stmt *S) { return getDerived().VisitStmt(S); }
bool VisitStmt(Stmt *S) { return true; }
#define STMT(CLASS, PARENT) \
bool WalkUpFrom##CLASS(CLASS *S) { \
TRY_TO(WalkUpFrom##PARENT(S)); \
TRY_TO(Visit##CLASS(S)); \
return true; \
} \
bool Visit##CLASS(CLASS *S) { return true; }
#include "clang/AST/StmtNodes.inc"
#define OPERATOR(NAME) \
bool TraverseUnary##NAME(UnaryOperator *S) { \
TRY_TO(WalkUpFromUnary##NAME(S)); \
StmtQueueAction StmtQueue(*this); \
StmtQueue.queue(S->getSubExpr()); \
return true; \
} \
bool WalkUpFromUnary##NAME(UnaryOperator *S) { \
TRY_TO(WalkUpFromUnaryOperator(S)); \
TRY_TO(VisitUnary##NAME(S)); \
return true; \
} \
bool VisitUnary##NAME(UnaryOperator *S) { return true; }
UNARYOP_LIST()
#undef OPERATOR
#define GENERAL_BINOP_FALLBACK(NAME, BINOP_TYPE) \
bool TraverseBin##NAME(BINOP_TYPE *S) { \
TRY_TO(WalkUpFromBin##NAME(S)); \
StmtQueueAction StmtQueue(*this); \
StmtQueue.queue(S->getLHS()); \
StmtQueue.queue(S->getRHS()); \
return true; \
} \
bool WalkUpFromBin##NAME(BINOP_TYPE *S) { \
TRY_TO(WalkUpFrom##BINOP_TYPE(S)); \
TRY_TO(VisitBin##NAME(S)); \
return true; \
} \
bool VisitBin##NAME(BINOP_TYPE *S) { return true; }
#define OPERATOR(NAME) GENERAL_BINOP_FALLBACK(NAME, BinaryOperator)
BINOP_LIST()
#undef OPERATOR
#define OPERATOR(NAME) \
GENERAL_BINOP_FALLBACK(NAME##Assign, CompoundAssignOperator)
CAO_LIST()
#undef OPERATOR
#undef GENERAL_BINOP_FALLBACK
#define ABSTRACT_TYPE(CLASS, BASE)
#define TYPE(CLASS, BASE) \
bool Traverse##CLASS##Type(CLASS##Type *T);
#include "clang/AST/TypeNodes.def"
bool WalkUpFromType(Type *T) { return getDerived().VisitType(T); }
bool VisitType(Type *T) { return true; }
#define TYPE(CLASS, BASE) \
bool WalkUpFrom##CLASS##Type(CLASS##Type *T) { \
TRY_TO(WalkUpFrom##BASE(T)); \
TRY_TO(Visit##CLASS##Type(T)); \
return true; \
} \
bool Visit##CLASS##Type(CLASS##Type *T) { return true; }
#include "clang/AST/TypeNodes.def"
#define ABSTRACT_TYPELOC(CLASS, BASE)
#define TYPELOC(CLASS, BASE) \
bool Traverse##CLASS##TypeLoc(CLASS##TypeLoc TL);
#include "clang/AST/TypeLocNodes.def"
bool WalkUpFromTypeLoc(TypeLoc TL) { return getDerived().VisitTypeLoc(TL); }
bool VisitTypeLoc(TypeLoc TL) { return true; }
bool WalkUpFromQualifiedTypeLoc(QualifiedTypeLoc TL) {
return getDerived().VisitUnqualTypeLoc(TL.getUnqualifiedLoc());
}
bool VisitQualifiedTypeLoc(QualifiedTypeLoc TL) { return true; }
bool WalkUpFromUnqualTypeLoc(UnqualTypeLoc TL) {
return getDerived().VisitUnqualTypeLoc(TL.getUnqualifiedLoc());
}
bool VisitUnqualTypeLoc(UnqualTypeLoc TL) { return true; }
#define TYPE(CLASS, BASE) \
bool WalkUpFrom##CLASS##TypeLoc(CLASS##TypeLoc TL) { \
TRY_TO(WalkUpFrom##BASE##Loc(TL)); \
TRY_TO(Visit##CLASS##TypeLoc(TL)); \
return true; \
} \
bool Visit##CLASS##TypeLoc(CLASS##TypeLoc TL) { return true; }
#include "clang/AST/TypeNodes.def"
#define ABSTRACT_DECL(DECL)
#define DECL(CLASS, BASE) \
bool Traverse##CLASS##Decl(CLASS##Decl *D);
#include "clang/AST/DeclNodes.inc"
bool WalkUpFromDecl(Decl *D) { return getDerived().VisitDecl(D); }
bool VisitDecl(Decl *D) { return true; }
#define DECL(CLASS, BASE) \
bool WalkUpFrom##CLASS##Decl(CLASS##Decl *D) { \
TRY_TO(WalkUpFrom##BASE(D)); \
TRY_TO(Visit##CLASS##Decl(D)); \
return true; \
} \
bool Visit##CLASS##Decl(CLASS##Decl *D) { return true; }
#include "clang/AST/DeclNodes.inc"
private:
bool TraverseTemplateParameterListHelper(TemplateParameterList *TPL);
bool TraverseClassInstantiations(ClassTemplateDecl *D);
bool TraverseFunctionInstantiations(FunctionTemplateDecl *D) ;
bool TraverseTemplateArgumentLocsHelper(const TemplateArgumentLoc *TAL,
unsigned Count);
bool TraverseArrayTypeLocHelper(ArrayTypeLoc TL);
bool TraverseRecordHelper(RecordDecl *D);
bool TraverseCXXRecordHelper(CXXRecordDecl *D);
bool TraverseDeclaratorHelper(DeclaratorDecl *D);
bool TraverseDeclContextHelper(DeclContext *DC);
bool TraverseFunctionHelper(FunctionDecl *D);
bool TraverseVarHelper(VarDecl *D);
typedef SmallVector<Stmt *, 16> StmtsTy;
typedef SmallVector<StmtsTy *, 4> QueuesTy;
QueuesTy Queues;
class NewQueueRAII {
RecursiveASTVisitor &RAV;
public:
NewQueueRAII(StmtsTy &queue, RecursiveASTVisitor &RAV) : RAV(RAV) {
RAV.Queues.push_back(&queue);
}
~NewQueueRAII() {
RAV.Queues.pop_back();
}
};
StmtsTy &getCurrentQueue() {
assert(!Queues.empty() && "base TraverseStmt was never called?");
return *Queues.back();
}
public:
class StmtQueueAction {
StmtsTy &CurrQueue;
public:
explicit StmtQueueAction(RecursiveASTVisitor &RAV)
: CurrQueue(RAV.getCurrentQueue()) { }
void queue(Stmt *S) {
CurrQueue.push_back(S);
}
};
};
#define DISPATCH(NAME, CLASS, VAR) \
return getDerived().Traverse##NAME(static_cast<CLASS*>(VAR))
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseStmt(Stmt *S) {
if (!S)
return true;
StmtsTy Queue, StmtsToEnqueu;
Queue.push_back(S);
NewQueueRAII NQ(StmtsToEnqueu, *this);
while (!Queue.empty()) {
S = Queue.pop_back_val();
if (!S)
continue;
StmtsToEnqueu.clear();
#define DISPATCH_STMT(NAME, CLASS, VAR) \
TRY_TO(Traverse##NAME(static_cast<CLASS*>(VAR))); break
if (BinaryOperator *BinOp = dyn_cast<BinaryOperator>(S)) {
switch (BinOp->getOpcode()) {
#define OPERATOR(NAME) \
case BO_##NAME: DISPATCH_STMT(Bin##NAME, BinaryOperator, S);
BINOP_LIST()
#undef OPERATOR
#undef BINOP_LIST
#define OPERATOR(NAME) \
case BO_##NAME##Assign: \
DISPATCH_STMT(Bin##NAME##Assign, CompoundAssignOperator, S);
CAO_LIST()
#undef OPERATOR
#undef CAO_LIST
}
} else if (UnaryOperator *UnOp = dyn_cast<UnaryOperator>(S)) {
switch (UnOp->getOpcode()) {
#define OPERATOR(NAME) \
case UO_##NAME: DISPATCH_STMT(Unary##NAME, UnaryOperator, S);
UNARYOP_LIST()
#undef OPERATOR
#undef UNARYOP_LIST
}
} else {
switch (S->getStmtClass()) {
case Stmt::NoStmtClass: break;
#define ABSTRACT_STMT(STMT)
#define STMT(CLASS, PARENT) \
case Stmt::CLASS##Class: DISPATCH_STMT(CLASS, CLASS, S);
#include "clang/AST/StmtNodes.inc"
}
}
for (SmallVector<Stmt *, 8>::reverse_iterator
RI = StmtsToEnqueu.rbegin(),
RE = StmtsToEnqueu.rend(); RI != RE; ++RI)
Queue.push_back(*RI);
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseType(QualType T) {
if (T.isNull())
return true;
switch (T->getTypeClass()) {
#define ABSTRACT_TYPE(CLASS, BASE)
#define TYPE(CLASS, BASE) \
case Type::CLASS: DISPATCH(CLASS##Type, CLASS##Type, \
const_cast<Type*>(T.getTypePtr()));
#include "clang/AST/TypeNodes.def"
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseTypeLoc(TypeLoc TL) {
if (TL.isNull())
return true;
switch (TL.getTypeLocClass()) {
#define ABSTRACT_TYPELOC(CLASS, BASE)
#define TYPELOC(CLASS, BASE) \
case TypeLoc::CLASS: \
return getDerived().Traverse##CLASS##TypeLoc(*cast<CLASS##TypeLoc>(&TL));
#include "clang/AST/TypeLocNodes.def"
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseDecl(Decl *D) {
if (!D)
return true;
if (D->isImplicit())
return true;
switch (D->getKind()) {
#define ABSTRACT_DECL(DECL)
#define DECL(CLASS, BASE) \
case Decl::CLASS: DISPATCH(CLASS##Decl, CLASS##Decl, D);
#include "clang/AST/DeclNodes.inc"
}
return true;
}
#undef DISPATCH
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseNestedNameSpecifier(
NestedNameSpecifier *NNS) {
if (!NNS)
return true;
if (NNS->getPrefix())
TRY_TO(TraverseNestedNameSpecifier(NNS->getPrefix()));
switch (NNS->getKind()) {
case NestedNameSpecifier::Identifier:
case NestedNameSpecifier::Namespace:
case NestedNameSpecifier::NamespaceAlias:
case NestedNameSpecifier::Global:
return true;
case NestedNameSpecifier::TypeSpec:
case NestedNameSpecifier::TypeSpecWithTemplate:
TRY_TO(TraverseType(QualType(NNS->getAsType(), 0)));
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseNestedNameSpecifierLoc(
NestedNameSpecifierLoc NNS) {
if (!NNS)
return true;
if (NestedNameSpecifierLoc Prefix = NNS.getPrefix())
TRY_TO(TraverseNestedNameSpecifierLoc(Prefix));
switch (NNS.getNestedNameSpecifier()->getKind()) {
case NestedNameSpecifier::Identifier:
case NestedNameSpecifier::Namespace:
case NestedNameSpecifier::NamespaceAlias:
case NestedNameSpecifier::Global:
return true;
case NestedNameSpecifier::TypeSpec:
case NestedNameSpecifier::TypeSpecWithTemplate:
TRY_TO(TraverseTypeLoc(NNS.getTypeLoc()));
break;
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseDeclarationNameInfo(
DeclarationNameInfo NameInfo) {
switch (NameInfo.getName().getNameKind()) {
case DeclarationName::CXXConstructorName:
case DeclarationName::CXXDestructorName:
case DeclarationName::CXXConversionFunctionName:
if (TypeSourceInfo *TSInfo = NameInfo.getNamedTypeInfo())
TRY_TO(TraverseTypeLoc(TSInfo->getTypeLoc()));
break;
case DeclarationName::Identifier:
case DeclarationName::ObjCZeroArgSelector:
case DeclarationName::ObjCOneArgSelector:
case DeclarationName::ObjCMultiArgSelector:
case DeclarationName::CXXOperatorName:
case DeclarationName::CXXLiteralOperatorName:
case DeclarationName::CXXUsingDirective:
break;
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseTemplateName(TemplateName Template) {
if (DependentTemplateName *DTN = Template.getAsDependentTemplateName())
TRY_TO(TraverseNestedNameSpecifier(DTN->getQualifier()));
else if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName())
TRY_TO(TraverseNestedNameSpecifier(QTN->getQualifier()));
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseTemplateArgument(
const TemplateArgument &Arg) {
switch (Arg.getKind()) {
case TemplateArgument::Null:
case TemplateArgument::Declaration:
case TemplateArgument::Integral:
case TemplateArgument::NullPtr:
return true;
case TemplateArgument::Type:
return getDerived().TraverseType(Arg.getAsType());
case TemplateArgument::Template:
case TemplateArgument::TemplateExpansion:
return getDerived().TraverseTemplateName(
Arg.getAsTemplateOrTemplatePattern());
case TemplateArgument::Expression:
return getDerived().TraverseStmt(Arg.getAsExpr());
case TemplateArgument::Pack:
return getDerived().TraverseTemplateArguments(Arg.pack_begin(),
Arg.pack_size());
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseTemplateArgumentLoc(
const TemplateArgumentLoc &ArgLoc) {
const TemplateArgument &Arg = ArgLoc.getArgument();
switch (Arg.getKind()) {
case TemplateArgument::Null:
case TemplateArgument::Declaration:
case TemplateArgument::Integral:
case TemplateArgument::NullPtr:
return true;
case TemplateArgument::Type: {
if (TypeSourceInfo *TSI = ArgLoc.getTypeSourceInfo())
return getDerived().TraverseTypeLoc(TSI->getTypeLoc());
else
return getDerived().TraverseType(Arg.getAsType());
}
case TemplateArgument::Template:
case TemplateArgument::TemplateExpansion:
if (ArgLoc.getTemplateQualifierLoc())
TRY_TO(getDerived().TraverseNestedNameSpecifierLoc(
ArgLoc.getTemplateQualifierLoc()));
return getDerived().TraverseTemplateName(
Arg.getAsTemplateOrTemplatePattern());
case TemplateArgument::Expression:
return getDerived().TraverseStmt(ArgLoc.getSourceExpression());
case TemplateArgument::Pack:
return getDerived().TraverseTemplateArguments(Arg.pack_begin(),
Arg.pack_size());
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseTemplateArguments(
const TemplateArgument *Args,
unsigned NumArgs) {
for (unsigned I = 0; I != NumArgs; ++I) {
TRY_TO(TraverseTemplateArgument(Args[I]));
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseConstructorInitializer(
CXXCtorInitializer *Init) {
if (TypeSourceInfo *TInfo = Init->getTypeSourceInfo())
TRY_TO(TraverseTypeLoc(TInfo->getTypeLoc()));
if (Init->isWritten())
TRY_TO(TraverseStmt(Init->getInit()));
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseLambdaCapture(LambdaExpr::Capture C){
return true;
}
#define DEF_TRAVERSE_TYPE(TYPE, CODE) \
template<typename Derived> \
bool RecursiveASTVisitor<Derived>::Traverse##TYPE (TYPE *T) { \
TRY_TO(WalkUpFrom##TYPE (T)); \
{ CODE; } \
return true; \
}
DEF_TRAVERSE_TYPE(BuiltinType, { })
DEF_TRAVERSE_TYPE(ComplexType, {
TRY_TO(TraverseType(T->getElementType()));
})
DEF_TRAVERSE_TYPE(PointerType, {
TRY_TO(TraverseType(T->getPointeeType()));
})
DEF_TRAVERSE_TYPE(BlockPointerType, {
TRY_TO(TraverseType(T->getPointeeType()));
})
DEF_TRAVERSE_TYPE(LValueReferenceType, {
TRY_TO(TraverseType(T->getPointeeType()));
})
DEF_TRAVERSE_TYPE(RValueReferenceType, {
TRY_TO(TraverseType(T->getPointeeType()));
})
DEF_TRAVERSE_TYPE(MemberPointerType, {
TRY_TO(TraverseType(QualType(T->getClass(), 0)));
TRY_TO(TraverseType(T->getPointeeType()));
})
DEF_TRAVERSE_TYPE(ConstantArrayType, {
TRY_TO(TraverseType(T->getElementType()));
})
DEF_TRAVERSE_TYPE(IncompleteArrayType, {
TRY_TO(TraverseType(T->getElementType()));
})
DEF_TRAVERSE_TYPE(VariableArrayType, {
TRY_TO(TraverseType(T->getElementType()));
TRY_TO(TraverseStmt(T->getSizeExpr()));
})
DEF_TRAVERSE_TYPE(DependentSizedArrayType, {
TRY_TO(TraverseType(T->getElementType()));
if (T->getSizeExpr())
TRY_TO(TraverseStmt(T->getSizeExpr()));
})
DEF_TRAVERSE_TYPE(DependentSizedExtVectorType, {
if (T->getSizeExpr())
TRY_TO(TraverseStmt(T->getSizeExpr()));
TRY_TO(TraverseType(T->getElementType()));
})
DEF_TRAVERSE_TYPE(VectorType, {
TRY_TO(TraverseType(T->getElementType()));
})
DEF_TRAVERSE_TYPE(ExtVectorType, {
TRY_TO(TraverseType(T->getElementType()));
})
DEF_TRAVERSE_TYPE(FunctionNoProtoType, {
TRY_TO(TraverseType(T->getResultType()));
})
DEF_TRAVERSE_TYPE(FunctionProtoType, {
TRY_TO(TraverseType(T->getResultType()));
for (FunctionProtoType::arg_type_iterator A = T->arg_type_begin(),
AEnd = T->arg_type_end();
A != AEnd; ++A) {
TRY_TO(TraverseType(*A));
}
for (FunctionProtoType::exception_iterator E = T->exception_begin(),
EEnd = T->exception_end();
E != EEnd; ++E) {
TRY_TO(TraverseType(*E));
}
})
DEF_TRAVERSE_TYPE(UnresolvedUsingType, { })
DEF_TRAVERSE_TYPE(TypedefType, { })
DEF_TRAVERSE_TYPE(TypeOfExprType, {
TRY_TO(TraverseStmt(T->getUnderlyingExpr()));
})
DEF_TRAVERSE_TYPE(TypeOfType, {
TRY_TO(TraverseType(T->getUnderlyingType()));
})
DEF_TRAVERSE_TYPE(DecltypeType, {
TRY_TO(TraverseStmt(T->getUnderlyingExpr()));
})
DEF_TRAVERSE_TYPE(UnaryTransformType, {
TRY_TO(TraverseType(T->getBaseType()));
TRY_TO(TraverseType(T->getUnderlyingType()));
})
DEF_TRAVERSE_TYPE(AutoType, {
TRY_TO(TraverseType(T->getDeducedType()));
})
DEF_TRAVERSE_TYPE(RecordType, { })
DEF_TRAVERSE_TYPE(EnumType, { })
DEF_TRAVERSE_TYPE(TemplateTypeParmType, { })
DEF_TRAVERSE_TYPE(SubstTemplateTypeParmType, { })
DEF_TRAVERSE_TYPE(SubstTemplateTypeParmPackType, { })
DEF_TRAVERSE_TYPE(TemplateSpecializationType, {
TRY_TO(TraverseTemplateName(T->getTemplateName()));
TRY_TO(TraverseTemplateArguments(T->getArgs(), T->getNumArgs()));
})
DEF_TRAVERSE_TYPE(InjectedClassNameType, { })
DEF_TRAVERSE_TYPE(AttributedType, {
TRY_TO(TraverseType(T->getModifiedType()));
})
DEF_TRAVERSE_TYPE(ParenType, {
TRY_TO(TraverseType(T->getInnerType()));
})
DEF_TRAVERSE_TYPE(ElaboratedType, {
if (T->getQualifier()) {
TRY_TO(TraverseNestedNameSpecifier(T->getQualifier()));
}
TRY_TO(TraverseType(T->getNamedType()));
})
DEF_TRAVERSE_TYPE(DependentNameType, {
TRY_TO(TraverseNestedNameSpecifier(T->getQualifier()));
})
DEF_TRAVERSE_TYPE(DependentTemplateSpecializationType, {
TRY_TO(TraverseNestedNameSpecifier(T->getQualifier()));
TRY_TO(TraverseTemplateArguments(T->getArgs(), T->getNumArgs()));
})
DEF_TRAVERSE_TYPE(PackExpansionType, {
TRY_TO(TraverseType(T->getPattern()));
})
DEF_TRAVERSE_TYPE(ObjCInterfaceType, { })
DEF_TRAVERSE_TYPE(ObjCObjectType, {
if (T->getBaseType().getTypePtr() != T)
TRY_TO(TraverseType(T->getBaseType()));
})
DEF_TRAVERSE_TYPE(ObjCObjectPointerType, {
TRY_TO(TraverseType(T->getPointeeType()));
})
DEF_TRAVERSE_TYPE(AtomicType, {
TRY_TO(TraverseType(T->getValueType()));
})
#undef DEF_TRAVERSE_TYPE
#define DEF_TRAVERSE_TYPELOC(TYPE, CODE) \
template<typename Derived> \
bool RecursiveASTVisitor<Derived>::Traverse##TYPE##Loc(TYPE##Loc TL) { \
if (getDerived().shouldWalkTypesOfTypeLocs()) \
TRY_TO(WalkUpFrom##TYPE(const_cast<TYPE*>(TL.getTypePtr()))); \
TRY_TO(WalkUpFrom##TYPE##Loc(TL)); \
{ CODE; } \
return true; \
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseQualifiedTypeLoc(
QualifiedTypeLoc TL) {
return TraverseTypeLoc(TL.getUnqualifiedLoc());
}
DEF_TRAVERSE_TYPELOC(BuiltinType, { })
DEF_TRAVERSE_TYPELOC(ComplexType, {
TRY_TO(TraverseType(TL.getTypePtr()->getElementType()));
})
DEF_TRAVERSE_TYPELOC(PointerType, {
TRY_TO(TraverseTypeLoc(TL.getPointeeLoc()));
})
DEF_TRAVERSE_TYPELOC(BlockPointerType, {
TRY_TO(TraverseTypeLoc(TL.getPointeeLoc()));
})
DEF_TRAVERSE_TYPELOC(LValueReferenceType, {
TRY_TO(TraverseTypeLoc(TL.getPointeeLoc()));
})
DEF_TRAVERSE_TYPELOC(RValueReferenceType, {
TRY_TO(TraverseTypeLoc(TL.getPointeeLoc()));
})
DEF_TRAVERSE_TYPELOC(MemberPointerType, {
TRY_TO(TraverseType(QualType(TL.getTypePtr()->getClass(), 0)));
TRY_TO(TraverseTypeLoc(TL.getPointeeLoc()));
})
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseArrayTypeLocHelper(ArrayTypeLoc TL) {
TRY_TO(TraverseStmt(TL.getSizeExpr()));
return true;
}
DEF_TRAVERSE_TYPELOC(ConstantArrayType, {
TRY_TO(TraverseTypeLoc(TL.getElementLoc()));
return TraverseArrayTypeLocHelper(TL);
})
DEF_TRAVERSE_TYPELOC(IncompleteArrayType, {
TRY_TO(TraverseTypeLoc(TL.getElementLoc()));
return TraverseArrayTypeLocHelper(TL);
})
DEF_TRAVERSE_TYPELOC(VariableArrayType, {
TRY_TO(TraverseTypeLoc(TL.getElementLoc()));
return TraverseArrayTypeLocHelper(TL);
})
DEF_TRAVERSE_TYPELOC(DependentSizedArrayType, {
TRY_TO(TraverseTypeLoc(TL.getElementLoc()));
return TraverseArrayTypeLocHelper(TL);
})
DEF_TRAVERSE_TYPELOC(DependentSizedExtVectorType, {
if (TL.getTypePtr()->getSizeExpr())
TRY_TO(TraverseStmt(TL.getTypePtr()->getSizeExpr()));
TRY_TO(TraverseType(TL.getTypePtr()->getElementType()));
})
DEF_TRAVERSE_TYPELOC(VectorType, {
TRY_TO(TraverseType(TL.getTypePtr()->getElementType()));
})
DEF_TRAVERSE_TYPELOC(ExtVectorType, {
TRY_TO(TraverseType(TL.getTypePtr()->getElementType()));
})
DEF_TRAVERSE_TYPELOC(FunctionNoProtoType, {
TRY_TO(TraverseTypeLoc(TL.getResultLoc()));
})
DEF_TRAVERSE_TYPELOC(FunctionProtoType, {
TRY_TO(TraverseTypeLoc(TL.getResultLoc()));
const FunctionProtoType *T = TL.getTypePtr();
for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I) {
if (TL.getArg(I)) {
TRY_TO(TraverseDecl(TL.getArg(I)));
} else if (I < T->getNumArgs()) {
TRY_TO(TraverseType(T->getArgType(I)));
}
}
for (FunctionProtoType::exception_iterator E = T->exception_begin(),
EEnd = T->exception_end();
E != EEnd; ++E) {
TRY_TO(TraverseType(*E));
}
})
DEF_TRAVERSE_TYPELOC(UnresolvedUsingType, { })
DEF_TRAVERSE_TYPELOC(TypedefType, { })
DEF_TRAVERSE_TYPELOC(TypeOfExprType, {
TRY_TO(TraverseStmt(TL.getUnderlyingExpr()));
})
DEF_TRAVERSE_TYPELOC(TypeOfType, {
TRY_TO(TraverseTypeLoc(TL.getUnderlyingTInfo()->getTypeLoc()));
})
DEF_TRAVERSE_TYPELOC(DecltypeType, {
TRY_TO(TraverseStmt(TL.getTypePtr()->getUnderlyingExpr()));
})
DEF_TRAVERSE_TYPELOC(UnaryTransformType, {
TRY_TO(TraverseTypeLoc(TL.getUnderlyingTInfo()->getTypeLoc()));
})
DEF_TRAVERSE_TYPELOC(AutoType, {
TRY_TO(TraverseType(TL.getTypePtr()->getDeducedType()));
})
DEF_TRAVERSE_TYPELOC(RecordType, { })
DEF_TRAVERSE_TYPELOC(EnumType, { })
DEF_TRAVERSE_TYPELOC(TemplateTypeParmType, { })
DEF_TRAVERSE_TYPELOC(SubstTemplateTypeParmType, { })
DEF_TRAVERSE_TYPELOC(SubstTemplateTypeParmPackType, { })
DEF_TRAVERSE_TYPELOC(TemplateSpecializationType, {
TRY_TO(TraverseTemplateName(TL.getTypePtr()->getTemplateName()));
for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I) {
TRY_TO(TraverseTemplateArgumentLoc(TL.getArgLoc(I)));
}
})
DEF_TRAVERSE_TYPELOC(InjectedClassNameType, { })
DEF_TRAVERSE_TYPELOC(ParenType, {
TRY_TO(TraverseTypeLoc(TL.getInnerLoc()));
})
DEF_TRAVERSE_TYPELOC(AttributedType, {
TRY_TO(TraverseTypeLoc(TL.getModifiedLoc()));
})
DEF_TRAVERSE_TYPELOC(ElaboratedType, {
if (TL.getQualifierLoc()) {
TRY_TO(TraverseNestedNameSpecifierLoc(TL.getQualifierLoc()));
}
TRY_TO(TraverseTypeLoc(TL.getNamedTypeLoc()));
})
DEF_TRAVERSE_TYPELOC(DependentNameType, {
TRY_TO(TraverseNestedNameSpecifierLoc(TL.getQualifierLoc()));
})
DEF_TRAVERSE_TYPELOC(DependentTemplateSpecializationType, {
if (TL.getQualifierLoc()) {
TRY_TO(TraverseNestedNameSpecifierLoc(TL.getQualifierLoc()));
}
for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I) {
TRY_TO(TraverseTemplateArgumentLoc(TL.getArgLoc(I)));
}
})
DEF_TRAVERSE_TYPELOC(PackExpansionType, {
TRY_TO(TraverseTypeLoc(TL.getPatternLoc()));
})
DEF_TRAVERSE_TYPELOC(ObjCInterfaceType, { })
DEF_TRAVERSE_TYPELOC(ObjCObjectType, {
if (TL.getTypePtr()->getBaseType().getTypePtr() != TL.getTypePtr())
TRY_TO(TraverseTypeLoc(TL.getBaseLoc()));
})
DEF_TRAVERSE_TYPELOC(ObjCObjectPointerType, {
TRY_TO(TraverseTypeLoc(TL.getPointeeLoc()));
})
DEF_TRAVERSE_TYPELOC(AtomicType, {
TRY_TO(TraverseTypeLoc(TL.getValueLoc()));
})
#undef DEF_TRAVERSE_TYPELOC
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseDeclContextHelper(DeclContext *DC) {
if (!DC)
return true;
for (DeclContext::decl_iterator Child = DC->decls_begin(),
ChildEnd = DC->decls_end();
Child != ChildEnd; ++Child) {
if (!isa<BlockDecl>(*Child))
TRY_TO(TraverseDecl(*Child));
}
return true;
}
#define DEF_TRAVERSE_DECL(DECL, CODE) \
template<typename Derived> \
bool RecursiveASTVisitor<Derived>::Traverse##DECL (DECL *D) { \
TRY_TO(WalkUpFrom##DECL (D)); \
{ CODE; } \
TRY_TO(TraverseDeclContextHelper(dyn_cast<DeclContext>(D))); \
return true; \
}
DEF_TRAVERSE_DECL(AccessSpecDecl, { })
DEF_TRAVERSE_DECL(BlockDecl, {
if (TypeSourceInfo *TInfo = D->getSignatureAsWritten())
TRY_TO(TraverseTypeLoc(TInfo->getTypeLoc()));
TRY_TO(TraverseStmt(D->getBody()));
return true;
})
DEF_TRAVERSE_DECL(FileScopeAsmDecl, {
TRY_TO(TraverseStmt(D->getAsmString()));
})
DEF_TRAVERSE_DECL(ImportDecl, { })
DEF_TRAVERSE_DECL(FriendDecl, {
if (D->getFriendType())
TRY_TO(TraverseTypeLoc(D->getFriendType()->getTypeLoc()));
else
TRY_TO(TraverseDecl(D->getFriendDecl()));
})
DEF_TRAVERSE_DECL(FriendTemplateDecl, {
if (D->getFriendType())
TRY_TO(TraverseTypeLoc(D->getFriendType()->getTypeLoc()));
else
TRY_TO(TraverseDecl(D->getFriendDecl()));
for (unsigned I = 0, E = D->getNumTemplateParameters(); I < E; ++I) {
TemplateParameterList *TPL = D->getTemplateParameterList(I);
for (TemplateParameterList::iterator ITPL = TPL->begin(),
ETPL = TPL->end();
ITPL != ETPL; ++ITPL) {
TRY_TO(TraverseDecl(*ITPL));
}
}
})
DEF_TRAVERSE_DECL(ClassScopeFunctionSpecializationDecl, {
TRY_TO(TraverseDecl(D->getSpecialization()));
})
DEF_TRAVERSE_DECL(LinkageSpecDecl, { })
DEF_TRAVERSE_DECL(ObjCPropertyImplDecl, {
})
DEF_TRAVERSE_DECL(StaticAssertDecl, {
TRY_TO(TraverseStmt(D->getAssertExpr()));
TRY_TO(TraverseStmt(D->getMessage()));
})
DEF_TRAVERSE_DECL(TranslationUnitDecl, {
})
DEF_TRAVERSE_DECL(NamespaceAliasDecl, {
return true;
})
DEF_TRAVERSE_DECL(LabelDecl, {
})
DEF_TRAVERSE_DECL(NamespaceDecl, {
})
DEF_TRAVERSE_DECL(ObjCCompatibleAliasDecl, {
})
DEF_TRAVERSE_DECL(ObjCCategoryDecl, {
})
DEF_TRAVERSE_DECL(ObjCCategoryImplDecl, {
})
DEF_TRAVERSE_DECL(ObjCImplementationDecl, {
})
DEF_TRAVERSE_DECL(ObjCInterfaceDecl, {
})
DEF_TRAVERSE_DECL(ObjCProtocolDecl, {
})
DEF_TRAVERSE_DECL(ObjCMethodDecl, {
if (D->getResultTypeSourceInfo()) {
TRY_TO(TraverseTypeLoc(D->getResultTypeSourceInfo()->getTypeLoc()));
}
for (ObjCMethodDecl::param_iterator
I = D->param_begin(), E = D->param_end(); I != E; ++I) {
TRY_TO(TraverseDecl(*I));
}
if (D->isThisDeclarationADefinition()) {
TRY_TO(TraverseStmt(D->getBody()));
}
return true;
})
DEF_TRAVERSE_DECL(ObjCPropertyDecl, {
})
DEF_TRAVERSE_DECL(UsingDecl, {
TRY_TO(TraverseNestedNameSpecifierLoc(D->getQualifierLoc()));
TRY_TO(TraverseDeclarationNameInfo(D->getNameInfo()));
})
DEF_TRAVERSE_DECL(UsingDirectiveDecl, {
TRY_TO(TraverseNestedNameSpecifierLoc(D->getQualifierLoc()));
})
DEF_TRAVERSE_DECL(UsingShadowDecl, { })
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseTemplateParameterListHelper(
TemplateParameterList *TPL) {
if (TPL) {
for (TemplateParameterList::iterator I = TPL->begin(), E = TPL->end();
I != E; ++I) {
TRY_TO(TraverseDecl(*I));
}
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseClassInstantiations(
ClassTemplateDecl *D) {
ClassTemplateDecl::spec_iterator end = D->spec_end();
for (ClassTemplateDecl::spec_iterator it = D->spec_begin(); it != end; ++it) {
ClassTemplateSpecializationDecl* SD = *it;
switch (SD->getSpecializationKind()) {
case TSK_Undeclared:
case TSK_ImplicitInstantiation:
TRY_TO(TraverseDecl(SD));
break;
case TSK_ExplicitInstantiationDeclaration:
case TSK_ExplicitInstantiationDefinition:
case TSK_ExplicitSpecialization:
break;
}
}
return true;
}
DEF_TRAVERSE_DECL(ClassTemplateDecl, {
CXXRecordDecl* TempDecl = D->getTemplatedDecl();
TRY_TO(TraverseDecl(TempDecl));
TRY_TO(TraverseTemplateParameterListHelper(D->getTemplateParameters()));
if (getDerived().shouldVisitTemplateInstantiations() &&
D == D->getCanonicalDecl())
TRY_TO(TraverseClassInstantiations(D));
})
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseFunctionInstantiations(
FunctionTemplateDecl *D) {
FunctionTemplateDecl::spec_iterator end = D->spec_end();
for (FunctionTemplateDecl::spec_iterator it = D->spec_begin(); it != end;
++it) {
FunctionDecl* FD = *it;
switch (FD->getTemplateSpecializationKind()) {
case TSK_Undeclared:
case TSK_ImplicitInstantiation:
TRY_TO(TraverseDecl(FD));
break;
case TSK_ExplicitInstantiationDeclaration:
case TSK_ExplicitInstantiationDefinition:
break;
case TSK_ExplicitSpecialization:
break;
}
}
return true;
}
DEF_TRAVERSE_DECL(FunctionTemplateDecl, {
TRY_TO(TraverseDecl(D->getTemplatedDecl()));
TRY_TO(TraverseTemplateParameterListHelper(D->getTemplateParameters()));
if (getDerived().shouldVisitTemplateInstantiations() &&
D == D->getCanonicalDecl())
TRY_TO(TraverseFunctionInstantiations(D));
})
DEF_TRAVERSE_DECL(TemplateTemplateParmDecl, {
TRY_TO(TraverseDecl(D->getTemplatedDecl()));
if (D->hasDefaultArgument()) {
TRY_TO(TraverseTemplateArgumentLoc(D->getDefaultArgument()));
}
TRY_TO(TraverseTemplateParameterListHelper(D->getTemplateParameters()));
})
DEF_TRAVERSE_DECL(TemplateTypeParmDecl, {
if (D->getTypeForDecl())
TRY_TO(TraverseType(QualType(D->getTypeForDecl(), 0)));
if (D->hasDefaultArgument())
TRY_TO(TraverseTypeLoc(D->getDefaultArgumentInfo()->getTypeLoc()));
})
DEF_TRAVERSE_DECL(TypedefDecl, {
TRY_TO(TraverseTypeLoc(D->getTypeSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_DECL(TypeAliasDecl, {
TRY_TO(TraverseTypeLoc(D->getTypeSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_DECL(TypeAliasTemplateDecl, {
TRY_TO(TraverseDecl(D->getTemplatedDecl()));
TRY_TO(TraverseTemplateParameterListHelper(D->getTemplateParameters()));
})
DEF_TRAVERSE_DECL(UnresolvedUsingTypenameDecl, {
TRY_TO(TraverseNestedNameSpecifierLoc(D->getQualifierLoc()));
})
DEF_TRAVERSE_DECL(EnumDecl, {
if (D->getTypeForDecl())
TRY_TO(TraverseType(QualType(D->getTypeForDecl(), 0)));
TRY_TO(TraverseNestedNameSpecifierLoc(D->getQualifierLoc()));
})
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseRecordHelper(
RecordDecl *D) {
TRY_TO(TraverseNestedNameSpecifierLoc(D->getQualifierLoc()));
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseCXXRecordHelper(
CXXRecordDecl *D) {
if (!TraverseRecordHelper(D))
return false;
if (D->isCompleteDefinition()) {
for (CXXRecordDecl::base_class_iterator I = D->bases_begin(),
E = D->bases_end();
I != E; ++I) {
TRY_TO(TraverseTypeLoc(I->getTypeSourceInfo()->getTypeLoc()));
}
}
return true;
}
DEF_TRAVERSE_DECL(RecordDecl, {
TRY_TO(TraverseRecordHelper(D));
})
DEF_TRAVERSE_DECL(CXXRecordDecl, {
TRY_TO(TraverseCXXRecordHelper(D));
})
DEF_TRAVERSE_DECL(ClassTemplateSpecializationDecl, {
if (TypeSourceInfo *TSI = D->getTypeAsWritten())
TRY_TO(TraverseTypeLoc(TSI->getTypeLoc()));
if (!getDerived().shouldVisitTemplateInstantiations() &&
D->getTemplateSpecializationKind() != TSK_ExplicitSpecialization)
return true;
})
template <typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseTemplateArgumentLocsHelper(
const TemplateArgumentLoc *TAL, unsigned Count) {
for (unsigned I = 0; I < Count; ++I) {
TRY_TO(TraverseTemplateArgumentLoc(TAL[I]));
}
return true;
}
DEF_TRAVERSE_DECL(ClassTemplatePartialSpecializationDecl, {
if (TemplateParameterList *TPL = D->getTemplateParameters()) {
for (TemplateParameterList::iterator I = TPL->begin(), E = TPL->end();
I != E; ++I) {
TRY_TO(TraverseDecl(*I));
}
}
TRY_TO(TraverseTemplateArgumentLocsHelper(
D->getTemplateArgsAsWritten(), D->getNumTemplateArgsAsWritten()));
TRY_TO(TraverseCXXRecordHelper(D));
})
DEF_TRAVERSE_DECL(EnumConstantDecl, {
TRY_TO(TraverseStmt(D->getInitExpr()));
})
DEF_TRAVERSE_DECL(UnresolvedUsingValueDecl, {
TRY_TO(TraverseNestedNameSpecifierLoc(D->getQualifierLoc()));
TRY_TO(TraverseDeclarationNameInfo(D->getNameInfo()));
})
DEF_TRAVERSE_DECL(IndirectFieldDecl, {})
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseDeclaratorHelper(DeclaratorDecl *D) {
TRY_TO(TraverseNestedNameSpecifierLoc(D->getQualifierLoc()));
if (D->getTypeSourceInfo())
TRY_TO(TraverseTypeLoc(D->getTypeSourceInfo()->getTypeLoc()));
else
TRY_TO(TraverseType(D->getType()));
return true;
}
DEF_TRAVERSE_DECL(FieldDecl, {
TRY_TO(TraverseDeclaratorHelper(D));
if (D->isBitField())
TRY_TO(TraverseStmt(D->getBitWidth()));
else if (D->hasInClassInitializer())
TRY_TO(TraverseStmt(D->getInClassInitializer()));
})
DEF_TRAVERSE_DECL(ObjCAtDefsFieldDecl, {
TRY_TO(TraverseDeclaratorHelper(D));
if (D->isBitField())
TRY_TO(TraverseStmt(D->getBitWidth()));
})
DEF_TRAVERSE_DECL(ObjCIvarDecl, {
TRY_TO(TraverseDeclaratorHelper(D));
if (D->isBitField())
TRY_TO(TraverseStmt(D->getBitWidth()));
})
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseFunctionHelper(FunctionDecl *D) {
TRY_TO(TraverseNestedNameSpecifierLoc(D->getQualifierLoc()));
TRY_TO(TraverseDeclarationNameInfo(D->getNameInfo()));
if (const FunctionTemplateSpecializationInfo *FTSI =
D->getTemplateSpecializationInfo()) {
if (FTSI->getTemplateSpecializationKind() != TSK_Undeclared &&
FTSI->getTemplateSpecializationKind() != TSK_ImplicitInstantiation) {
if (const ASTTemplateArgumentListInfo *TALI =
FTSI->TemplateArgumentsAsWritten) {
TRY_TO(TraverseTemplateArgumentLocsHelper(TALI->getTemplateArgs(),
TALI->NumTemplateArgs));
}
}
}
TRY_TO(TraverseTypeLoc(D->getTypeSourceInfo()->getTypeLoc()));
if (CXXConstructorDecl *Ctor = dyn_cast<CXXConstructorDecl>(D)) {
for (CXXConstructorDecl::init_iterator I = Ctor->init_begin(),
E = Ctor->init_end();
I != E; ++I) {
TRY_TO(TraverseConstructorInitializer(*I));
}
}
if (D->isThisDeclarationADefinition()) {
TRY_TO(TraverseStmt(D->getBody())); }
return true;
}
DEF_TRAVERSE_DECL(FunctionDecl, {
return TraverseFunctionHelper(D);
})
DEF_TRAVERSE_DECL(CXXMethodDecl, {
return TraverseFunctionHelper(D);
})
DEF_TRAVERSE_DECL(CXXConstructorDecl, {
return TraverseFunctionHelper(D);
})
DEF_TRAVERSE_DECL(CXXConversionDecl, {
return TraverseFunctionHelper(D);
})
DEF_TRAVERSE_DECL(CXXDestructorDecl, {
return TraverseFunctionHelper(D);
})
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseVarHelper(VarDecl *D) {
TRY_TO(TraverseDeclaratorHelper(D));
if (!isa<ParmVarDecl>(D))
TRY_TO(TraverseStmt(D->getInit()));
return true;
}
DEF_TRAVERSE_DECL(VarDecl, {
TRY_TO(TraverseVarHelper(D));
})
DEF_TRAVERSE_DECL(ImplicitParamDecl, {
TRY_TO(TraverseVarHelper(D));
})
DEF_TRAVERSE_DECL(NonTypeTemplateParmDecl, {
TRY_TO(TraverseDeclaratorHelper(D));
TRY_TO(TraverseStmt(D->getDefaultArgument()));
})
DEF_TRAVERSE_DECL(ParmVarDecl, {
TRY_TO(TraverseVarHelper(D));
if (D->hasDefaultArg() &&
D->hasUninstantiatedDefaultArg() &&
!D->hasUnparsedDefaultArg())
TRY_TO(TraverseStmt(D->getUninstantiatedDefaultArg()));
if (D->hasDefaultArg() &&
!D->hasUninstantiatedDefaultArg() &&
!D->hasUnparsedDefaultArg())
TRY_TO(TraverseStmt(D->getDefaultArg()));
})
#undef DEF_TRAVERSE_DECL
#define DEF_TRAVERSE_STMT(STMT, CODE) \
template<typename Derived> \
bool RecursiveASTVisitor<Derived>::Traverse##STMT (STMT *S) { \
TRY_TO(WalkUpFrom##STMT(S)); \
StmtQueueAction StmtQueue(*this); \
{ CODE; } \
for (Stmt::child_range range = S->children(); range; ++range) { \
StmtQueue.queue(*range); \
} \
return true; \
}
DEF_TRAVERSE_STMT(GCCAsmStmt, {
StmtQueue.queue(S->getAsmString());
for (unsigned I = 0, E = S->getNumInputs(); I < E; ++I) {
StmtQueue.queue(S->getInputConstraintLiteral(I));
}
for (unsigned I = 0, E = S->getNumOutputs(); I < E; ++I) {
StmtQueue.queue(S->getOutputConstraintLiteral(I));
}
for (unsigned I = 0, E = S->getNumClobbers(); I < E; ++I) {
StmtQueue.queue(S->getClobberStringLiteral(I));
}
})
DEF_TRAVERSE_STMT(MSAsmStmt, {
})
DEF_TRAVERSE_STMT(CXXCatchStmt, {
TRY_TO(TraverseDecl(S->getExceptionDecl()));
})
DEF_TRAVERSE_STMT(DeclStmt, {
for (DeclStmt::decl_iterator I = S->decl_begin(), E = S->decl_end();
I != E; ++I) {
TRY_TO(TraverseDecl(*I));
}
return true;
})
DEF_TRAVERSE_STMT(BreakStmt, { })
DEF_TRAVERSE_STMT(CXXTryStmt, { })
DEF_TRAVERSE_STMT(CaseStmt, { })
DEF_TRAVERSE_STMT(CompoundStmt, { })
DEF_TRAVERSE_STMT(ContinueStmt, { })
DEF_TRAVERSE_STMT(DefaultStmt, { })
DEF_TRAVERSE_STMT(DoStmt, { })
DEF_TRAVERSE_STMT(ForStmt, { })
DEF_TRAVERSE_STMT(GotoStmt, { })
DEF_TRAVERSE_STMT(IfStmt, { })
DEF_TRAVERSE_STMT(IndirectGotoStmt, { })
DEF_TRAVERSE_STMT(LabelStmt, { })
DEF_TRAVERSE_STMT(AttributedStmt, { })
DEF_TRAVERSE_STMT(NullStmt, { })
DEF_TRAVERSE_STMT(ObjCAtCatchStmt, { })
DEF_TRAVERSE_STMT(ObjCAtFinallyStmt, { })
DEF_TRAVERSE_STMT(ObjCAtSynchronizedStmt, { })
DEF_TRAVERSE_STMT(ObjCAtThrowStmt, { })
DEF_TRAVERSE_STMT(ObjCAtTryStmt, { })
DEF_TRAVERSE_STMT(ObjCForCollectionStmt, { })
DEF_TRAVERSE_STMT(ObjCAutoreleasePoolStmt, { })
DEF_TRAVERSE_STMT(CXXForRangeStmt, { })
DEF_TRAVERSE_STMT(MSDependentExistsStmt, {
TRY_TO(TraverseNestedNameSpecifierLoc(S->getQualifierLoc()));
TRY_TO(TraverseDeclarationNameInfo(S->getNameInfo()));
})
DEF_TRAVERSE_STMT(ReturnStmt, { })
DEF_TRAVERSE_STMT(SwitchStmt, { })
DEF_TRAVERSE_STMT(WhileStmt, { })
DEF_TRAVERSE_STMT(CXXDependentScopeMemberExpr, {
TRY_TO(TraverseNestedNameSpecifierLoc(S->getQualifierLoc()));
TRY_TO(TraverseDeclarationNameInfo(S->getMemberNameInfo()));
if (S->hasExplicitTemplateArgs()) {
TRY_TO(TraverseTemplateArgumentLocsHelper(
S->getTemplateArgs(), S->getNumTemplateArgs()));
}
})
DEF_TRAVERSE_STMT(DeclRefExpr, {
TRY_TO(TraverseNestedNameSpecifierLoc(S->getQualifierLoc()));
TRY_TO(TraverseDeclarationNameInfo(S->getNameInfo()));
TRY_TO(TraverseTemplateArgumentLocsHelper(
S->getTemplateArgs(), S->getNumTemplateArgs()));
})
DEF_TRAVERSE_STMT(DependentScopeDeclRefExpr, {
TRY_TO(TraverseNestedNameSpecifierLoc(S->getQualifierLoc()));
TRY_TO(TraverseDeclarationNameInfo(S->getNameInfo()));
if (S->hasExplicitTemplateArgs()) {
TRY_TO(TraverseTemplateArgumentLocsHelper(
S->getExplicitTemplateArgs().getTemplateArgs(),
S->getNumTemplateArgs()));
}
})
DEF_TRAVERSE_STMT(MemberExpr, {
TRY_TO(TraverseNestedNameSpecifierLoc(S->getQualifierLoc()));
TRY_TO(TraverseDeclarationNameInfo(S->getMemberNameInfo()));
TRY_TO(TraverseTemplateArgumentLocsHelper(
S->getTemplateArgs(), S->getNumTemplateArgs()));
})
DEF_TRAVERSE_STMT(ImplicitCastExpr, {
})
DEF_TRAVERSE_STMT(CStyleCastExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeInfoAsWritten()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXFunctionalCastExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeInfoAsWritten()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXConstCastExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeInfoAsWritten()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXDynamicCastExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeInfoAsWritten()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXReinterpretCastExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeInfoAsWritten()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXStaticCastExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeInfoAsWritten()->getTypeLoc()));
})
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseInitListExpr(InitListExpr *S) {
if (InitListExpr *Syn = S->getSyntacticForm())
S = Syn;
TRY_TO(WalkUpFromInitListExpr(S));
StmtQueueAction StmtQueue(*this);
for (Stmt::child_range range = S->children(); range; ++range) {
StmtQueue.queue(*range);
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::
TraverseGenericSelectionExpr(GenericSelectionExpr *S) {
TRY_TO(WalkUpFromGenericSelectionExpr(S));
StmtQueueAction StmtQueue(*this);
StmtQueue.queue(S->getControllingExpr());
for (unsigned i = 0; i != S->getNumAssocs(); ++i) {
if (TypeSourceInfo *TS = S->getAssocTypeSourceInfo(i))
TRY_TO(TraverseTypeLoc(TS->getTypeLoc()));
StmtQueue.queue(S->getAssocExpr(i));
}
return true;
}
template<typename Derived>
bool RecursiveASTVisitor<Derived>::
TraversePseudoObjectExpr(PseudoObjectExpr *S) {
TRY_TO(WalkUpFromPseudoObjectExpr(S));
StmtQueueAction StmtQueue(*this);
StmtQueue.queue(S->getSyntacticForm());
for (PseudoObjectExpr::semantics_iterator
i = S->semantics_begin(), e = S->semantics_end(); i != e; ++i) {
Expr *sub = *i;
if (OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(sub))
sub = OVE->getSourceExpr();
StmtQueue.queue(sub);
}
return true;
}
DEF_TRAVERSE_STMT(CXXScalarValueInitExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXNewExpr, {
TRY_TO(TraverseTypeLoc(S->getAllocatedTypeSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(OffsetOfExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(UnaryExprOrTypeTraitExpr, {
if (S->isArgumentType())
TRY_TO(TraverseTypeLoc(S->getArgumentTypeInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXTypeidExpr, {
if (S->isTypeOperand())
TRY_TO(TraverseTypeLoc(S->getTypeOperandSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXUuidofExpr, {
if (S->isTypeOperand())
TRY_TO(TraverseTypeLoc(S->getTypeOperandSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(UnaryTypeTraitExpr, {
TRY_TO(TraverseTypeLoc(S->getQueriedTypeSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(BinaryTypeTraitExpr, {
TRY_TO(TraverseTypeLoc(S->getLhsTypeSourceInfo()->getTypeLoc()));
TRY_TO(TraverseTypeLoc(S->getRhsTypeSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(TypeTraitExpr, {
for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
TRY_TO(TraverseTypeLoc(S->getArg(I)->getTypeLoc()));
})
DEF_TRAVERSE_STMT(ArrayTypeTraitExpr, {
TRY_TO(TraverseTypeLoc(S->getQueriedTypeSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(ExpressionTraitExpr, {
StmtQueue.queue(S->getQueriedExpression());
})
DEF_TRAVERSE_STMT(VAArgExpr, {
TRY_TO(TraverseTypeLoc(S->getWrittenTypeInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXTemporaryObjectExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeSourceInfo()->getTypeLoc()));
})
template<typename Derived>
bool RecursiveASTVisitor<Derived>::TraverseLambdaExpr(LambdaExpr *S) {
for (LambdaExpr::capture_iterator C = S->explicit_capture_begin(),
CEnd = S->explicit_capture_end();
C != CEnd; ++C) {
TRY_TO(TraverseLambdaCapture(*C));
}
if (S->hasExplicitParameters() || S->hasExplicitResultType()) {
TypeLoc TL = S->getCallOperator()->getTypeSourceInfo()->getTypeLoc();
if (S->hasExplicitParameters() && S->hasExplicitResultType()) {
TRY_TO(TraverseTypeLoc(TL));
} else if (isa<FunctionProtoTypeLoc>(TL)) {
FunctionProtoTypeLoc Proto = cast<FunctionProtoTypeLoc>(TL);
if (S->hasExplicitParameters()) {
for (unsigned I = 0, N = Proto.getNumArgs(); I != N; ++I) {
TRY_TO(TraverseDecl(Proto.getArg(I)));
}
} else {
TRY_TO(TraverseTypeLoc(Proto.getResultLoc()));
}
}
}
StmtQueueAction StmtQueue(*this);
StmtQueue.queue(S->getBody());
return true;
}
DEF_TRAVERSE_STMT(CXXUnresolvedConstructExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeSourceInfo()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXConstructExpr, { })
DEF_TRAVERSE_STMT(CallExpr, { })
DEF_TRAVERSE_STMT(CXXMemberCallExpr, { })
DEF_TRAVERSE_STMT(AddrLabelExpr, { })
DEF_TRAVERSE_STMT(ArraySubscriptExpr, { })
DEF_TRAVERSE_STMT(BlockExpr, {
TRY_TO(TraverseDecl(S->getBlockDecl()));
return true; })
DEF_TRAVERSE_STMT(ChooseExpr, { })
DEF_TRAVERSE_STMT(CompoundLiteralExpr, { })
DEF_TRAVERSE_STMT(CXXBindTemporaryExpr, { })
DEF_TRAVERSE_STMT(CXXBoolLiteralExpr, { })
DEF_TRAVERSE_STMT(CXXDefaultArgExpr, { })
DEF_TRAVERSE_STMT(CXXDeleteExpr, { })
DEF_TRAVERSE_STMT(ExprWithCleanups, { })
DEF_TRAVERSE_STMT(CXXNullPtrLiteralExpr, { })
DEF_TRAVERSE_STMT(CXXPseudoDestructorExpr, {
TRY_TO(TraverseNestedNameSpecifierLoc(S->getQualifierLoc()));
if (TypeSourceInfo *ScopeInfo = S->getScopeTypeInfo())
TRY_TO(TraverseTypeLoc(ScopeInfo->getTypeLoc()));
if (TypeSourceInfo *DestroyedTypeInfo = S->getDestroyedTypeInfo())
TRY_TO(TraverseTypeLoc(DestroyedTypeInfo->getTypeLoc()));
})
DEF_TRAVERSE_STMT(CXXThisExpr, { })
DEF_TRAVERSE_STMT(CXXThrowExpr, { })
DEF_TRAVERSE_STMT(UserDefinedLiteral, { })
DEF_TRAVERSE_STMT(DesignatedInitExpr, { })
DEF_TRAVERSE_STMT(ExtVectorElementExpr, { })
DEF_TRAVERSE_STMT(GNUNullExpr, { })
DEF_TRAVERSE_STMT(ImplicitValueInitExpr, { })
DEF_TRAVERSE_STMT(ObjCBoolLiteralExpr, { })
DEF_TRAVERSE_STMT(ObjCEncodeExpr, {
if (TypeSourceInfo *TInfo = S->getEncodedTypeSourceInfo())
TRY_TO(TraverseTypeLoc(TInfo->getTypeLoc()));
})
DEF_TRAVERSE_STMT(ObjCIsaExpr, { })
DEF_TRAVERSE_STMT(ObjCIvarRefExpr, { })
DEF_TRAVERSE_STMT(ObjCMessageExpr, { })
DEF_TRAVERSE_STMT(ObjCPropertyRefExpr, { })
DEF_TRAVERSE_STMT(ObjCSubscriptRefExpr, { })
DEF_TRAVERSE_STMT(ObjCProtocolExpr, { })
DEF_TRAVERSE_STMT(ObjCSelectorExpr, { })
DEF_TRAVERSE_STMT(ObjCIndirectCopyRestoreExpr, { })
DEF_TRAVERSE_STMT(ObjCBridgedCastExpr, {
TRY_TO(TraverseTypeLoc(S->getTypeInfoAsWritten()->getTypeLoc()));
})
DEF_TRAVERSE_STMT(ParenExpr, { })
DEF_TRAVERSE_STMT(ParenListExpr, { })
DEF_TRAVERSE_STMT(PredefinedExpr, { })
DEF_TRAVERSE_STMT(ShuffleVectorExpr, { })
DEF_TRAVERSE_STMT(StmtExpr, { })
DEF_TRAVERSE_STMT(UnresolvedLookupExpr, {
TRY_TO(TraverseNestedNameSpecifierLoc(S->getQualifierLoc()));
if (S->hasExplicitTemplateArgs()) {
TRY_TO(TraverseTemplateArgumentLocsHelper(S->getTemplateArgs(),
S->getNumTemplateArgs()));
}
})
DEF_TRAVERSE_STMT(UnresolvedMemberExpr, {
TRY_TO(TraverseNestedNameSpecifierLoc(S->getQualifierLoc()));
if (S->hasExplicitTemplateArgs()) {
TRY_TO(TraverseTemplateArgumentLocsHelper(S->getTemplateArgs(),
S->getNumTemplateArgs()));
}
})
DEF_TRAVERSE_STMT(SEHTryStmt, {})
DEF_TRAVERSE_STMT(SEHExceptStmt, {})
DEF_TRAVERSE_STMT(SEHFinallyStmt,{})
DEF_TRAVERSE_STMT(CXXOperatorCallExpr, { })
DEF_TRAVERSE_STMT(OpaqueValueExpr, { })
DEF_TRAVERSE_STMT(CUDAKernelCallExpr, { })
DEF_TRAVERSE_STMT(BinaryConditionalOperator, { })
DEF_TRAVERSE_STMT(ConditionalOperator, { })
DEF_TRAVERSE_STMT(UnaryOperator, { })
DEF_TRAVERSE_STMT(BinaryOperator, { })
DEF_TRAVERSE_STMT(CompoundAssignOperator, { })
DEF_TRAVERSE_STMT(CXXNoexceptExpr, { })
DEF_TRAVERSE_STMT(PackExpansionExpr, { })
DEF_TRAVERSE_STMT(SizeOfPackExpr, { })
DEF_TRAVERSE_STMT(SubstNonTypeTemplateParmPackExpr, { })
DEF_TRAVERSE_STMT(SubstNonTypeTemplateParmExpr, { })
DEF_TRAVERSE_STMT(FunctionParmPackExpr, { })
DEF_TRAVERSE_STMT(MaterializeTemporaryExpr, { })
DEF_TRAVERSE_STMT(AtomicExpr, { })
DEF_TRAVERSE_STMT(IntegerLiteral, { })
DEF_TRAVERSE_STMT(CharacterLiteral, { })
DEF_TRAVERSE_STMT(FloatingLiteral, { })
DEF_TRAVERSE_STMT(ImaginaryLiteral, { })
DEF_TRAVERSE_STMT(StringLiteral, { })
DEF_TRAVERSE_STMT(ObjCStringLiteral, { })
DEF_TRAVERSE_STMT(ObjCBoxedExpr, { })
DEF_TRAVERSE_STMT(ObjCArrayLiteral, { })
DEF_TRAVERSE_STMT(ObjCDictionaryLiteral, { })
DEF_TRAVERSE_STMT(AsTypeExpr, { })
#undef DEF_TRAVERSE_STMT
#undef TRY_TO
} }
#endif // LLVM_CLANG_LIBCLANG_RECURSIVEASTVISITOR_H