================
@@ -40,8 +41,49 @@ static ConstString g_coro_frame =
ConstString("__coro_frame");
char CPPLanguageRuntime::ID = 0;
+/// A frame recognizer that is installed to hide libc++ implementation
+/// details from the backtrace.
+class LibCXXFrameRecognizer : public StackFrameRecognizer {
+ RegularExpression m_hidden_function_regex;
+ RecognizedStackFrameSP m_hidden_frame;
+
+ struct LibCXXHiddenFrame : public RecognizedStackFrame {
+ bool ShouldHide() override { return true; }
+ };
+
+public:
+ LibCXXFrameRecognizer()
+ : m_hidden_function_regex(
+ R"(^std::__1::(__function.*::operator\(\)|__invoke))"
+ R"((\[.*\])?)" // ABI tag.
+ R"(( const)?$)"), // const.
+ m_hidden_frame(new LibCXXHiddenFrame()) {}
----------------
adrian-prantl wrote:
No, it's a subclass.
https://github.com/llvm/llvm-project/pull/104523
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