zequanwu added inline comments.
================
Comment at: lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp:634-659
+ name_components = name_components.drop_back();
+ if (!name_components.empty()) {
+ // Render the current list of scope nodes as a fully qualified name, and
+ // look it up in the debug info as a type name. If we find something,
+ // this is a type (which may itself be prefixed by a namespace). If we
+ // don't, this is a list of namespaces.
+ std::string qname = RenderScopeList(name_components);
----------------
labath wrote:
> I know you didn't write this, but I still have to express my surprise at the
> existence of this code. My don't have anything like that -- using demangled
> names to look up things -- in the DWARF plugin. There, you can find the
> containing context by just going "up" in the DIE tree. I don't know if that
> is possible in PDB, but the current implementation seems fairly fragile, and
> I suspect it could be broken if the user overrides a mangled name of a symbol
> (`void f() asm("my_linkage_name");`).
> Are you sure it's not possible to do this in some other way?
For namespace, I don't see any symbol record for it. All members of namespace,
functions or variables, just have namespace string as a prefix for their names,
like `N1::N2::func`.
@rnk Do you know any other ways to get the namespace string of a symbol rather
than using mangled names?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D133243/new/
https://reviews.llvm.org/D133243
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