projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| e9955c83 AD |
1 | /* Scan User Actions. -*- C -*- |
| 2 | Copyright (C) 2002 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of Bison, the GNU Compiler Compiler. | |
| 5 | ||
| 6 | Bison is free software; you can redistribute it and/or modify it | |
| 7 | under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2, or (at your option) | |
| 9 | any later version. | |
| 10 | ||
| 11 | Bison is distributed in the hope that it will be useful, but | |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with Bison; see the file COPYING. If not, write to the Free | |
| 18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
| 19 | 02111-1307, USA. */ | |
| 20 | ||
| 21 | %option nodefault noyywrap nounput | |
| 22 | %option prefix="action_" outfile="lex.yy.c" | |
| 23 | ||
| 24 | %{ | |
| 25 | #include "system.h" | |
| 26 | #include "files.h" | |
| 27 | int skel_lex PARAMS ((void)); | |
| 28 | static int yylineno = 1; | |
| 29 | %} | |
| 30 | ||
| 31 | %x DOLLAR | |
| 32 | ||
| 33 | ID [a-zA-Z]+ | |
| 34 | NUM -?[0-9]+ | |
| 35 | ||
| 36 | %% | |
| 37 | $(-?[0-9])+ { fprintf (action_out, "yylsp[%s]", yytext + 1) ;} | |
| 38 | @(-?[0-9])+ { fprintf (action_out, "yylsp[%s]", yytext + 1) ;} | |
| 39 | $<{ID} { action_type = xstrndup (yytext + 2, yyleng - 2); BEGIN DOLLAR;} | |
| 40 | $ { BEGIN DOLLAR;} | |
| 41 | ||
| 42 | <DOLLAR> | |
| 43 | { | |
| 44 | {NUM}> { fprintf (action_out, "yyvsp[%s]", NUM } | |
| 45 | } | |
| 46 | %% |