Annotation of gforth/vmgen-ex/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: %%
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