From 9f69b006dde3c3fbe19ed3e0275d3b7348f2aa87 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sun, 15 Mar 2020 18:19:49 +0100
Subject: New lexer

---
 bnf.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'bnf.cpp')

diff --git a/bnf.cpp b/bnf.cpp
index 4dd896e..32e1175 100644
--- a/bnf.cpp
+++ b/bnf.cpp
@@ -68,3 +68,8 @@ BNF SubBNF(const BNF& bnf, const std::string& top)
  return result;
 }
 
+bool isTerminal(const BNF& bnf, const std::string& symbol)
+{
+ return bnf.find(symbol) == bnf.end();
+}
+
-- 
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