From 3d1db8aba4708a449e916b8d7b4c2754054ebdb2 Mon Sep 17 00:00:00 2001
From: Anicka Bernathova <anicka@anicka.net>
Date: Wed, 2 Jul 2008 15:22:31 +0200
Subject: [PATCH] uh

---
 cond.y | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/cond.y b/cond.y
index 1a8e160..746dc40 100644
--- a/cond.y
+++ b/cond.y
@@ -17,6 +17,7 @@ void yyerror (char const *);
 %left EQ
 %left '|' '&' '^'
 %left '!'
+%type <b> boo
 
 %%
 input:	/* empty */
@@ -25,15 +26,15 @@ input:	/* empty */
 
 line:	'\n'
 	| boo '\n'	 	{ printf("%s\n",$1?"true":"false"); }
+	| error '\n' 		{ yyerrok; }
 ;
 
-boo:
-	CONST EQ CONST 	{ $$ = ! strcmp($1, $2); } 
-	| boo EQ boo 		{ $$ = $1 == $2 } 
-	| boo '|' boo 		{ $$ = $1 || $2 }
-	| boo '&' boo		{ $$ = $1 && $2 }
-	| boo '^' boo		{ $$ = ($1 || $2) && !($1 && $2) }
-	| '!' boo		{ $$ = ! $1 }
+boo:	 CONST EQ CONST 	{ $$ = ! strcmp($1, $3); } 
+	| boo EQ boo 		{ $$ = $1 == $3 } 
+	| boo '|' boo 		{ $$ = $1 || $3 }
+	| boo '&' boo		{ $$ = $1 && $3 }
+	| boo '^' boo		{ $$ = ($1 || $3) && !($1 && $3) }
+	| '!' boo		{ $$ = ! $2 }
 ;
 
 ;
-- 
2.39.2