From b6f89db9208c4b11c60d4153fdac9513e119c5a1 Mon Sep 17 00:00:00 2001
From: yui-knk <spiketeika@gmail.com>
Date: Tue, 26 Dec 2023 08:42:06 +0900
Subject: [PATCH] Freeze input grammar text

---
 lib/lrama/lexer/grammar_file.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/lrama/lexer/grammar_file.rb b/lib/lrama/lexer/grammar_file.rb
index 2200bcbf..6be07670 100644
--- a/lib/lrama/lexer/grammar_file.rb
+++ b/lib/lrama/lexer/grammar_file.rb
@@ -5,7 +5,7 @@ class GrammarFile
 
       def initialize(path, text)
         @path = path
-        @text = text
+        @text = text.freeze
       end
 
       def ==(other)