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Fixed type loc parsing bug with Clang headers. #1162

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Fixed type loc parsing bug with Clang headers. #1162

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84 changes: 44 additions & 40 deletions src/CppParser/Parser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2021,7 +2021,34 @@ static PrimitiveType WalkBuiltinType(const clang::BuiltinType* Builtin)

//-----------------------------------//

clang::TypeLoc ResolveTypeLoc(clang::TypeLoc TL, clang::TypeLoc::TypeLocClass Class)
#if DEBUG
static void DumpTypeLoc(clang::TypeLoc TL, bool Recurse = false)
{
if (Recurse)
puts("");

switch(TL.getTypeLocClass())
{
case clang::TypeLoc::Qualified:
printf("Type: Qualified\n");
break;
#define ABSTRACT_TYPE(Type, Parent)
#define TYPE(Type, Parent) \
case clang::TypeLoc::Type: \
printf("Type: %s\n", #Type); \
break;
#include "clang/AST/TypeNodes.def"
}

if (!Recurse) return;

clang::TypeLoc Next = TL;
while((Next = Next.getNextTypeLoc()))
DumpTypeLoc(Next);
}
#endif

static clang::TypeLoc ResolveTypeLoc(clang::TypeLoc TL, clang::TypeLoc::TypeLocClass Class)
{
using namespace clang;

Expand All @@ -2047,8 +2074,12 @@ clang::TypeLoc ResolveTypeLoc(clang::TypeLoc TL, clang::TypeLoc::TypeLocClass Cl
auto PTL = TL.getAs<ParenTypeLoc>();
TL = PTL.getNextTypeLoc();
}
else
{
auto Next = TL.getNextTypeLoc();
TL = Next;
}

assert(TL.getTypeLocClass() == Class);
return TL;
}

Expand Down Expand Up @@ -2325,7 +2356,7 @@ Type* Parser::WalkType(clang::QualType QualType, const clang::TypeLoc* TL,
A->qualifiedType = GetQualifiedType(ElemTy, &Next);
A->sizeType = ArrayType::ArraySize::Constant;
A->size = AST.getConstantArrayElementCount(AT);
if (!ElemTy->isDependentType())
if (CanCheckCodeGenInfo(c->getSema(), ElemTy.getTypePtr()))
A->elementSize = (long)AST.getTypeSize(ElemTy);

Ty = A;
Expand Down Expand Up @@ -2486,17 +2517,10 @@ Type* Parser::WalkType(clang::QualType QualType, const clang::TypeLoc* TL,

if (LocValid)
{
auto TypeLocClass = TL->getTypeLocClass();
if (TypeLocClass == TypeLoc::Qualified)
while(TL->getTypeLocClass() != TypeLoc::TemplateSpecialization)
{
UTL = TL->getUnqualifiedLoc();
TL = &UTL;
}
else if (TypeLocClass == TypeLoc::Elaborated)
{
ETL = TL->getAs<ElaboratedTypeLoc>();
ITL = ETL.getNextTypeLoc();
TL = &ITL;
auto RTL = ResolveTypeLoc(*TL, TypeLoc::TemplateSpecialization);
TL = &RTL;
}

assert(TL->getTypeLocClass() == TypeLoc::TemplateSpecialization);
Expand Down Expand Up @@ -2529,17 +2553,10 @@ Type* Parser::WalkType(clang::QualType QualType, const clang::TypeLoc* TL,

if (LocValid)
{
auto TypeLocClass = TL->getTypeLocClass();
if (TypeLocClass == TypeLoc::Qualified)
{
UTL = TL->getUnqualifiedLoc();
TL = &UTL;
}
else if (TypeLocClass == TypeLoc::Elaborated)
while(TL->getTypeLocClass() != TypeLoc::DependentTemplateSpecialization)
{
ETL = TL->getAs<ElaboratedTypeLoc>();
ITL = ETL.getNextTypeLoc();
TL = &ITL;
auto RTL = ResolveTypeLoc(*TL, TypeLoc::DependentTemplateSpecialization);
TL = &RTL;
}

assert(TL->getTypeLocClass() == TypeLoc::DependentTemplateSpecialization);
Expand Down Expand Up @@ -2573,28 +2590,15 @@ Type* Parser::WalkType(clang::QualType QualType, const clang::TypeLoc* TL,

if (LocValid)
{
auto TypeLocClass = TL->getTypeLocClass();
if (TypeLocClass == TypeLoc::Qualified)
while(TL->getTypeLocClass() != TypeLoc::TemplateTypeParm)
{
UTL = TL->getUnqualifiedLoc();
TL = &UTL;
}
else if (TypeLocClass == TypeLoc::Elaborated)
{
ETL = TL->getAs<ElaboratedTypeLoc>();
ITL = ETL.getNextTypeLoc();
TL = &ITL;
}

while (TL->getTypeLocClass() != TypeLoc::TemplateTypeParm)
{
Next = TL->getNextTypeLoc();
TL = &Next;
auto RTL = ResolveTypeLoc(*TL, TypeLoc::TemplateTypeParm);
TL = &RTL;
}

assert(TL->getTypeLocClass() == TypeLoc::TemplateTypeParm);
auto TTTL = TL->getAs<TemplateTypeParmTypeLoc>();

auto TTTL = TL->getAs<TemplateTypeParmTypeLoc>();
TPT->parameter = WalkTypeTemplateParameter(TTTL.getDecl());
}
else if (TP->getDecl())
Expand Down