From 99380c2d72655da0dae6fcd327ae048992b32078 Mon Sep 17 00:00:00 2001
From: Mirko <mirko.kunze@web.de>
Date: Mon, 3 Sep 2018 21:20:05 +0200
Subject: [PATCH] added method get_rule_names() to parser class

---
 peglib.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/peglib.h b/peglib.h
index 0350317..780eb34 100644
--- a/peglib.h
+++ b/peglib.h
@@ -2877,6 +2877,15 @@ public:
         return (*grammar_)[s];
     }
 
+    std::vector<std::string> get_rule_names(){
+        std::vector<std::string> rules;
+        rules.reserve(grammar_->size());
+        for (auto const& r : *grammar_) {
+            rules.emplace_back(r.first);
+        }
+        return rules;
+    }
+
     void enable_packrat_parsing() {
         if (grammar_ != nullptr) {
             auto& rule = (*grammar_)[start_];