[Lldb-commits] [lldb] Improve type lookup using .debug_names parent chain (PR #108907)

[via lldb-commits]

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@@ -444,6 +499,72 @@ void DebugNamesDWARFIndex::GetNamespaces(
   m_fallback.GetNamespaces(name, callback);
 }
 
+llvm::SmallVector<CompilerContext>
+DebugNamesDWARFIndex::GetTypeQueryParentContexts(TypeQuery &query) {
+  std::vector<lldb_private::CompilerContext> &query_decl_context =
+      query.GetContextRef();
+  llvm::SmallVector<CompilerContext> parent_contexts;
+  if (!query_decl_context.empty()) {
+    // Skip the last entry, it is the type we are looking for.
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jeffreytan81 wrote:

The vector returned from `TypeQuery::GetContextRef()` stores from outmost to innermost namespace which is reversed from what's we wanted (and .debug_names encoded in parent chain).

https://github.com/llvm/llvm-project/pull/108907