<rdar://problem/12027563> Making sure that some class of stop-hook commands that involve po'ing objects do not cause an endless recursion
llvm-svn: 161271
diff --git a/lldb/source/Expression/ClangFunction.cpp b/lldb/source/Expression/ClangFunction.cpp
index d75f5eb..f716f67 100644
--- a/lldb/source/Expression/ClangFunction.cpp
+++ b/lldb/source/Expression/ClangFunction.cpp
@@ -504,13 +504,23 @@
call_plan_sp->SetPrivate(true);
- return exe_ctx.GetProcessRef().RunThreadPlan (exe_ctx, call_plan_sp,
- stop_others,
- try_all_threads,
- discard_on_error,
- single_thread_timeout_usec,
- errors);
-}
+ // <rdar://problem/12027563> we need to make sure we record the fact that we are running an expression here
+ // otherwise this fact will fail to be recorded when fetching an Objective-C object description
+ if (exe_ctx.GetProcessPtr())
+ exe_ctx.GetProcessPtr()->SetRunningUserExpression(true);
+
+ ExecutionResults results = exe_ctx.GetProcessRef().RunThreadPlan (exe_ctx, call_plan_sp,
+ stop_others,
+ try_all_threads,
+ discard_on_error,
+ single_thread_timeout_usec,
+ errors);
+
+ if (exe_ctx.GetProcessPtr())
+ exe_ctx.GetProcessPtr()->SetRunningUserExpression(false);
+
+ return results;
+}
ExecutionResults
ClangFunction::ExecuteFunction(