X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Finput_parser.yy;h=fffbd1792531a874fba86af122ae65be50db4680;hb=e98841136efa88c951edafc0cd43ba1343f20b5b;hp=ecdc317e6ee08dd706c8228887c15ee94cbc4203;hpb=a2c8e2cd98f28b301478e62f922c38745c4b5cde;p=ginac.git

diff --git a/ginac/input_parser.yy b/ginac/input_parser.yy
index ecdc317e..fffbd179 100644
--- a/ginac/input_parser.yy
+++ b/ginac/input_parser.yy
@@ -4,7 +4,7 @@
  *  This file must be processed with yacc/bison. */
 
 /*
- *  GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -58,7 +58,7 @@ ex attach_index(const ex & base, ex i, bool covariant);
 
 /* Tokens (T_LITERAL means a literal value returned by the parser, but not
    of class numeric or symbol (e.g. a constant or the FAIL object)) */
-%token T_NUMBER T_SYMBOL T_LITERAL T_DIGITS T_EQUAL T_NOTEQ T_LESSEQ T_GREATEREQ
+%token T_EOF T_NUMBER T_SYMBOL T_LITERAL T_DIGITS T_EQUAL T_NOTEQ T_LESSEQ T_GREATEREQ
 
 /* Operator precedence and associativity */
 %right '='
@@ -79,7 +79,7 @@ ex attach_index(const ex & base, ex i, bool covariant);
  */
 
 %%
-input	: exp {
+input	: exp T_EOF {
 		try {
 			parsed_ex = $1;
 			YYACCEPT;
@@ -88,7 +88,6 @@ input	: exp {
 			YYERROR;
 		}
 	}
-	| error		{yyclearin; yyerrok;}
 	;
 
 exp	: T_NUMBER		{$$ = $1;}