InterCopyContext always raises errors in a non-Keeper state

1 files changed, 4 insertions, 0 deletions

diff --git a/src/tools.h b/src/tools.h
index f5fdabc..9d4ed4c 100644
--- a/src/tools.h
+++ b/src/tools.h
@@ -42,6 +42,10 @@ class InterCopyContext
     char const* name; // that one can change when we reuse the context
 
     private:
+    // when mode == LookupMode::FromKeeper, L1 is a keeper state and L2 is not, therefore L2 is the state where we want to raise the error
+    // whon mode != LookupMode::FromKeeper, L1 is not a keeper state, therefore L1 is the state where we want to raise the error
+    lua_State* getErrL() const { return (mode == LookupMode::FromKeeper) ? L2 : L1; }
+
     // for use in copy_cached_func
     void copy_func() const;
     void lookup_native_func() const;