removed a lot of superfluous const_cast<>()s

[ginac.git] / ginsh / ginsh_lexer.ll

diff --git a/ginsh/ginsh_lexer.ll b/ginsh/ginsh_lexer.ll
index d27d0fe275b8917ca06b32153e9e901716e6dd0b..932f80b4dcfb8f83e84c3c109f109246c15559b6 100644 (file)
--- a/ginsh/ginsh_lexer.ll
+++ b/ginsh/ginsh_lexer.ll
@@ -4,7 +4,7 @@
  *  This file must be processed with flex. */
 
 /*
- *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2001 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
@@ -56,6 +56,7 @@ AN    [0-9a-zA-Z_]
 [ \t\n]+               /* skip whitespace */
 \\$                    /* skip line continuations */
 "//".*                 /* skip comments starting with "//" */
+^"#".*                 /* skip lines starting with "#" */
 ^"!".*                 system(yytext + 1);     /* execute shell command */
 
                        /* special values */
@@ -88,10 +89,6 @@ score                        return T_SCORE;
 \"\"                   return T_QUOTE2;
 \"\"\"                 return T_QUOTE3;
 
-                       /* matrix delimiters */
-\[\[                   return T_MATRIX_BEGIN;
-\]\]                   return T_MATRIX_END;
-
                        /* numbers */
 {D}+                   |
 "#"{D}+"R"{AN}+                |
@@ -112,6 +109,9 @@ score                       return T_SCORE;
                                return T_SYMBOL;
                        }
 
+                       /* wildcards */
+\${D}+                 yylval = wild(atoi(yytext + 1)); return T_LITERAL;
+
                        /* everything else */
 .                      return *yytext;