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Add support to emit debug info for c++ style namespaces.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90805 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-12-07 21:41:32 +00:00
parent 80564f761a
commit 4063f6bcc7
4 changed files with 122 additions and 9 deletions
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28
lib/Analysis/DebugInfo.cpp
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@@ -227,6 +227,7 @@ bool DIDescriptor::isScope() const {
case dwarf::DW_TAG_compile_unit:
case dwarf::DW_TAG_lexical_block:
case dwarf::DW_TAG_subprogram:
case dwarf::DW_TAG_namespace:
return true;
default:
break;
@@ -242,6 +243,14 @@ bool DIDescriptor::isCompileUnit() const {
return Tag == dwarf::DW_TAG_compile_unit;
}
/// isNameSpace - Return true if the specified tag is DW_TAG_namespace.
bool DIDescriptor::isNameSpace() const {
assert (!isNull() && "Invalid descriptor!");
unsigned Tag = getTag();
return Tag == dwarf::DW_TAG_namespace;
}
/// isLexicalBlock - Return true if the specified tag is DW_TAG_lexical_block.
bool DIDescriptor::isLexicalBlock() const {
assert (!isNull() && "Invalid descriptor!");
@@ -438,6 +447,8 @@ StringRef DIScope::getFilename() const {
return DISubprogram(DbgNode).getFilename();
else if (isCompileUnit())
return DICompileUnit(DbgNode).getFilename();
else if (isNameSpace())
return DINameSpace(DbgNode).getFilename();
else
assert (0 && "Invalid DIScope!");
return StringRef();
@@ -450,6 +461,8 @@ StringRef DIScope::getDirectory() const {
return DISubprogram(DbgNode).getDirectory();
else if (isCompileUnit())
return DICompileUnit(DbgNode).getDirectory();
else if (isNameSpace())
return DINameSpace(DbgNode).getDirectory();
else
assert (0 && "Invalid DIScope!");
return StringRef();
@@ -996,6 +1009,21 @@ DILexicalBlock DIFactory::CreateLexicalBlock(DIDescriptor Context) {
return DILexicalBlock(MDNode::get(VMContext, &Elts[0], 2));
}
/// CreateNameSpace - This creates new descriptor for a namespace
/// with the specified parent context.
DINameSpace DIFactory::CreateNameSpace(DIDescriptor Context, StringRef Name,
DICompileUnit CompileUnit,
unsigned LineNo) {
Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_namespace),
Context.getNode(),
MDString::get(VMContext, Name),
CompileUnit.getNode(),
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
};
return DINameSpace(MDNode::get(VMContext, &Elts[0], 5));
}
/// CreateLocation - Creates a debug info location.
DILocation DIFactory::CreateLocation(unsigned LineNo, unsigned ColumnNo,
DIScope S, DILocation OrigLoc) {