[Lldb-commits] [lldb] [WIP] [lldb][Progress] Report progress when completing types from DWARF (PR #91452)

Adrian Prantl via lldb-commits lldb-commits at lists.llvm.org
Wed May 8 09:14:42 PDT 2024


================
@@ -1411,3 +1414,35 @@ clang::Decl *
 ClangASTImporter::ASTImporterDelegate::GetOriginalDecl(clang::Decl *To) {
   return m_main.GetDeclOrigin(To).decl;
 }
+
+void ClangASTImporter::ASTImporterDelegate::UpdateImportProgress(
+    clang::Decl const *From) {
+  assert(From &&
+         "Trying to report import progress using an invalid clang::Decl.");
+
+  // If we can't determine the decl's name, we don't know what to
+  // update the progress bar with. So bail out.
+  auto const *ND = dyn_cast<NamedDecl>(From);
+  if (!ND)
+    return;
+
+  if (!m_import_progress_up) {
+    auto const *from_ast =
+        TypeSystemClang::GetASTContext(&From->getASTContext());
+    auto const *to_ast = TypeSystemClang::GetASTContext(&getToContext());
+
+    assert(from_ast && to_ast);
+
+    llvm::SmallVector<llvm::StringRef> from_name_parts;
+    llvm::SplitString(from_ast->getDisplayName(), from_name_parts, "/");
+    auto from_name = from_name_parts.back();
+
+    llvm::SmallVector<llvm::StringRef> to_name_parts;
+    llvm::SplitString(to_ast->getDisplayName(), to_name_parts, "/");
----------------
adrian-prantl wrote:

`StringRef::rsplit` is going to be more efficient for this.

https://github.com/llvm/llvm-project/pull/91452


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