From 5b840fd4c56d835b067e4cf9a3e4af4442717d20 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Sat, 26 Nov 2022 13:54:18 +0100
Subject: Set yyin to file

---
 grammar.y | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/grammar.y b/grammar.y
index fd9da47..446b651 100644
--- a/grammar.y
+++ b/grammar.y
@@ -1,5 +1,9 @@
 %{
 #include <stdio.h>
+
+extern FILE *yyin;
+extern int yylex();
+extern void yyerror();
 %}
 
 %define parse.error verbose
@@ -46,8 +50,9 @@ expression:   NUMBER
             ;
 %%
 
-main (int argc, char **argv)
+void main (int argc, char **argv)
 {
   //henshin_lex();
+  yyin = fopen(argv[1], "r");
   yyparse();
 }
-- 
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