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Emit debug info for namespaces.

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llvm-svn: 94991
This commit is contained in:
Devang Patel 2010-02-01 19:16:32 +00:00
parent 72c60c73af
commit 973f2eb0cd
2 changed files with 29 additions and 1 deletions
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25
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -57,6 +57,8 @@ llvm::DIDescriptor CGDebugInfo::getContextDescriptor(const Decl *D,
I = RegionMap.find(Parent);
if (I != RegionMap.end())
return llvm::DIDescriptor(dyn_cast_or_null<llvm::MDNode>(I->second));
if (const NamespaceDecl *NSDecl = dyn_cast<NamespaceDecl>(Parent))
return llvm::DIDescriptor(getOrCreateNameSpace(NSDecl, CompileUnit));
}
return CompileUnit;
}
@ -1802,3 +1804,26 @@ void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var,
Var->hasInternalLinkage(),
true/*definition*/, Var);
}
/// getOrCreateNamesSpace - Return namespace descriptor for the given
/// namespace decl.
llvm::DINameSpace
CGDebugInfo::getOrCreateNameSpace(const NamespaceDecl *NSDecl,
llvm::DIDescriptor Unit) {
llvm::DenseMap<const NamespaceDecl *, llvm::WeakVH>::iterator I =
NameSpaceCache.find(NSDecl);
if (I != NameSpaceCache.end())
return llvm::DINameSpace(cast<llvm::MDNode>(I->second));
SourceManager &SM = CGM.getContext().getSourceManager();
PresumedLoc PLoc = SM.getPresumedLoc(NSDecl->getLocation());
unsigned LineNo = PLoc.isInvalid() ? 0 : PLoc.getLine();
llvm::DIDescriptor Context =
getContextDescriptor(NSDecl, Unit);
llvm::DINameSpace NS =
DebugFactory.CreateNameSpace(Context, NSDecl->getName(),
llvm::DICompileUnit(Unit.getNode()), LineNo);
NameSpaceCache[NSDecl] = llvm::WeakVH(NS.getNode());
return NS;
}

5
clang/lib/CodeGen/CGDebugInfo.h
View File

@ -68,6 +68,7 @@ class CGDebugInfo {
llvm::BumpPtrAllocator DebugInfoNames;
llvm::DenseMap<const FunctionDecl *, llvm::WeakVH> SPCache;
llvm::DenseMap<const NamespaceDecl *, llvm::WeakVH> NameSpaceCache;
/// Helper functions for getOrCreateType.
llvm::DIType CreateType(const BuiltinType *Ty, llvm::DICompileUnit U);
@ -89,7 +90,9 @@ class CGDebugInfo {
llvm::DIType getOrCreateMethodType(const CXXMethodDecl *Method,
llvm::DICompileUnit Unit);
llvm::DIType getOrCreateVTablePtrType(llvm::DICompileUnit Unit);
llvm::DINameSpace getOrCreateNameSpace(const NamespaceDecl *N,
llvm::DIDescriptor Unit);
llvm::DIType CreatePointerLikeType(unsigned Tag,
const Type *Ty, QualType PointeeTy,
llvm::DICompileUnit U);