1 files changed, 4 insertions, 0 deletions

diff --git a/src/yuescript/yue_parser.cpp b/src/yuescript/yue_parser.cpp
index 83aba40..e5337b0 100644
--- a/src/yuescript/yue_parser.cpp
+++ b/src/yuescript/yue_parser.cpp
@@ -1109,6 +1109,10 @@ std::string YueParser::toString(input::iterator begin, input::iterator end) {
         return _converter.to_bytes(std::wstring(begin, end));
 }
 
+bool YueParser::hasAST(std::string_view name) const {
+        return _rules.find(name) != _rules.end();
+}
+
 YueParser& YueParser::shared() {
         thread_local static YueParser parser;
         return parser;