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First cut at emitting inheritance info. 

llvm-svn: 94473
This commit is contained in:
Devang Patel 2010-01-25 23:32:18 +00:00
parent 8186eecf0f
commit c54353d935
2 changed files with 43 additions and 1 deletions
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38
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -586,6 +586,40 @@ CollectCXXMemberFunctions(const CXXRecordDecl *Decl,
}
}
/// CollectCXXBases - A helper function to collect debug info for
/// C++ base classes. This is used while creating debug info entry for
/// a Record.
void CGDebugInfo::
CollectCXXBases(const CXXRecordDecl *Decl,
llvm::DICompileUnit Unit,
llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys,
llvm::DICompositeType &RecordTy) {
const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(Decl);
for (CXXRecordDecl::base_class_const_iterator BI = Decl->bases_begin(),
BE = Decl->bases_end(); BI != BE; ++BI) {
unsigned BFlags = 0;
if (BI->isVirtual())
BFlags = llvm::DIType::FlagVirtual;
AccessSpecifier Access = BI->getAccessSpecifier();
if (Access == clang::AS_private)
BFlags |= llvm::DIType::FlagPrivate;
else if (Access == clang::AS_protected)
BFlags |= llvm::DIType::FlagProtected;
const CXXRecordDecl *Base =
cast<CXXRecordDecl>(BI->getType()->getAs<RecordType>()->getDecl());
llvm::DIType DTy =
DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_inheritance,
RecordTy, llvm::StringRef(),
llvm::DICompileUnit(), 0, 0, 0,
RL.getBaseClassOffset(Base), BFlags,
getOrCreateType(BI->getType(),
Unit));
EltTys.push_back(DTy);
}
}
/// CreateType - get structure or union type.
llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty,
llvm::DICompileUnit Unit) {
@ -643,8 +677,10 @@ llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty,
llvm::SmallVector<llvm::DIDescriptor, 16> EltTys;
CollectRecordFields(Decl, Unit, EltTys);
if (CXXRecordDecl *CXXDecl = dyn_cast<CXXRecordDecl>(Decl))
if (CXXRecordDecl *CXXDecl = dyn_cast<CXXRecordDecl>(Decl)) {
CollectCXXMemberFunctions(CXXDecl, Unit, EltTys, FwdDecl);
CollectCXXBases(CXXDecl, Unit, EltTys, FwdDecl);
}
llvm::DIArray Elements =
DebugFactory.GetOrCreateArray(EltTys.data(), EltTys.size());

6
clang/lib/CodeGen/CGDebugInfo.h
View File

@ -91,6 +91,12 @@ class CGDebugInfo {
llvm::DICompileUnit U,
llvm::SmallVectorImpl<llvm::DIDescriptor> &E,
llvm::DICompositeType &T);
void CollectCXXBases(const CXXRecordDecl *Decl,
llvm::DICompileUnit Unit,
llvm::SmallVectorImpl<llvm::DIDescriptor> &EltTys,
llvm::DICompositeType &RecordTy);
void CollectRecordFields(const RecordDecl *Decl, llvm::DICompileUnit U,
llvm::SmallVectorImpl<llvm::DIDescriptor> &E);
public: