Revert "Revert "[lldb] Extend frame recognizers to hide frames from backtraces (#104523)""

This reverts commit 547917aebd1e79a8929b53f0ddf3b5185ee4df74.

1 files changed, 29 insertions, 0 deletions

diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
index 335c482..2a94f11 100644
--- a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
@@ -1524,6 +1524,35 @@ lldb::ValueObjectListSP ScriptInterpreterPythonImpl::GetRecognizedArguments(
   return ValueObjectListSP();
 }
 
+bool ScriptInterpreterPythonImpl::ShouldHide(
+    const StructuredData::ObjectSP &os_plugin_object_sp,
+    lldb::StackFrameSP frame_sp) {
+  Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock);
+
+  if (!os_plugin_object_sp)
+    return false;
+
+  StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric();
+  if (!generic)
+    return false;
+
+  PythonObject implementor(PyRefType::Borrowed,
+                           (PyObject *)generic->GetValue());
+
+  if (!implementor.IsAllocated())
+    return false;
+
+  bool result =
+      SWIGBridge::LLDBSwigPython_ShouldHide(implementor.get(), frame_sp);
+
+  // if it fails, print the error but otherwise go on
+  if (PyErr_Occurred()) {
+    PyErr_Print();
+    PyErr_Clear();
+  }
+  return result;
+}
+
 ScriptedProcessInterfaceUP
 ScriptInterpreterPythonImpl::CreateScriptedProcessInterface() {
   return std::make_unique<ScriptedProcessPythonInterface>(*this);