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Annotation of gforth/vmgen-ex2/mini.l, revision 1.1

1.1     ! anton       1: /* front-end scanner for vmgen example
        !             2: 
        !             3:   Copyright (C) 2001 Free Software Foundation, Inc.
        !             4: 
        !             5:   This file is part of Gforth.
        !             6: 
        !             7:   Gforth is free software; you can redistribute it and/or
        !             8:   modify it under the terms of the GNU General Public License
        !             9:   as published by the Free Software Foundation; either version 2
        !            10:   of the License, or (at your option) any later version.
        !            11: 
        !            12:   This program is distributed in the hope that it will be useful,
        !            13:   but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15:   GNU General Public License for more details.
        !            16: 
        !            17:   You should have received a copy of the GNU General Public License
        !            18:   along with this program; if not, write to the Free Software
        !            19:   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
        !            20: */
        !            21: 
        !            22: /* %option yylineno (flex option, implied by flex -l) */
        !            23: 
        !            24: %%
        !            25: [-();,+*&|<=!] return yytext[0];
        !            26: :=     return BECOMES;
        !            27: func   return FUNC;
        !            28: return return RETURN;
        !            29: end    return END;
        !            30: var    return VAR;
        !            31: if     return IF;
        !            32: then   return THEN;
        !            33: else   return ELSE;
        !            34: while  return WHILE;
        !            35: do     return DO;
        !            36: print  return PRINT;
        !            37: [0-9]+                 { yylval.num=strtol(yytext,NULL,10); return NUM; }
        !            38: [a-zA-Z\_][a-zA-Z0-9\_]*       { yylval.string=strdup(yytext); return IDENT; }
        !            39: [ \t\n]        ;
        !            40: [/][/].*       ;
        !            41: .              yyerror("illegal character"); exit(1);
        !            42: %%