remove dependence on YYTEXT_POINTER which is not being defined when lex is

[ginac.git] / ginac / input_lexer.ll

diff --git a/ginac/input_lexer.ll b/ginac/input_lexer.ll
index 4a5a65015e31ac983b64a92a18b1e8fb7457f694..9098b4f91125c3dccbcb3be5e507392f8384d756 100644 (file)
--- a/ginac/input_lexer.ll
+++ b/ginac/input_lexer.ll
@@ -4,7 +4,7 @@
  *  This file must be processed with flex. */
 
 /*
- *  GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2004 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
@@ -26,6 +26,8 @@
  *  Definitions
  */
 
+%pointer
+
 %{
 #include <iostream>
 #include <string>
@@ -87,7 +89,7 @@ AN    [0-9a-zA-Z_]
  */
 
 %%
-[ \t]+                 /* skip whitespace */
+[ \t\n]+               /* skip whitespace */
 
                        /* special values */
 Pi                     ginac_yylval = Pi; return T_LITERAL;
@@ -123,6 +125,9 @@ Digits                      ginac_yylval = (long)Digits; return T_DIGITS;
                                return T_SYMBOL;
                        }
 
+                       /* end of input */
+<<EOF>>                        return T_EOF;
+
                        /* everything else */
 .                      return *yytext;