[lldb/Interpreter] Implement ScriptedFrameProvider{,Python}Interface (#166662)

This patch implements the base and python interface for the
ScriptedFrameProvider class.

This is necessary to call python APIs from the ScriptedFrameProvider
that will come in a follow-up.

Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>

Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>

1 files changed, 17 insertions, 0 deletions

diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.cpp
index 4fdf2b12a550..af2e0b5df4d2 100644
--- a/lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.cpp
@@ -243,4 +243,21 @@ ScriptedPythonInterface::ExtractValueFromPythonObject<lldb::DescriptionLevel>(
   return static_cast<lldb::DescriptionLevel>(unsigned_val);
 }
 
+template <>
+lldb::StackFrameListSP
+ScriptedPythonInterface::ExtractValueFromPythonObject<lldb::StackFrameListSP>(
+    python::PythonObject &p, Status &error) {
+
+  lldb::SBFrameList *sb_frame_list = reinterpret_cast<lldb::SBFrameList *>(
+      python::LLDBSWIGPython_CastPyObjectToSBFrameList(p.get()));
+
+  if (!sb_frame_list) {
+    error = Status::FromErrorStringWithFormat(
+        "couldn't cast lldb::SBFrameList to lldb::StackFrameListSP.");
+    return {};
+  }
+
+  return m_interpreter.GetOpaqueTypeFromSBFrameList(*sb_frame_list);
+}
+
 #endif