1 files changed, 1 insertions, 0 deletions
diff --git a/src/interp.h b/src/interp.h
index 4b9caba..96173a7 100644
--- a/src/interp.h
+++ b/src/interp.h
@@ -36,6 +36,7 @@ struct interp {
     Parser *parser;
     int gensym_cnt;
     bool alwaysgc;
+    int recursion_depth;
 };
 
 void Interp_init(Interp *self);