1 files changed, 5 insertions, 0 deletions
diff --git a/grammer.h b/grammer.h
index f6f9d95..bdb2718 100644
--- a/grammer.h
+++ b/grammer.h
@@ -73,4 +73,9 @@ public:
  void DumpTree();
 };
 
+bool ChildIdIsToken(int32_t child_id);
+index_t TokenIdFromChildId(int32_t child_id);
+int32_t ChildIdFromTokenId(index_t token_id);
+
 } // namespace Gram
+