diff options
Diffstat (limited to 'usr.sbin/ndiscvt/inf-parse.y')
-rw-r--r-- | usr.sbin/ndiscvt/inf-parse.y | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/usr.sbin/ndiscvt/inf-parse.y b/usr.sbin/ndiscvt/inf-parse.y new file mode 100644 index 0000000..2a8876d --- /dev/null +++ b/usr.sbin/ndiscvt/inf-parse.y @@ -0,0 +1,110 @@ +%{ +/* + * Copyright (c) 2003 + * Bill Paul <wpaul@windriver.com>. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Bill Paul. + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <stdio.h> +#include <sys/types.h> +#include <sys/queue.h> + +#include "inf.h" + +extern int yylex (void); +extern void yyerror(const char *); +%} + +%token EQUALS COMMA EOL +%token <str> SECTION +%token <str> STRING +%token <str> WORD + +%union { + char *str; +} + +%% + +inf_file + : inf_list + | + ; + +inf_list + : inf + | inf_list inf + ; + +inf + : SECTION EOL + { section_add($1); } + | WORD EQUALS assign EOL + { assign_add($1); } + | WORD COMMA regkey EOL + { regkey_add($1); } + | WORD EOL + { define_add($1); } + | EOL + ; + +assign + : WORD + { push_word($1); } + | STRING + { push_word($1); } + | WORD COMMA assign + { push_word($1); } + | STRING COMMA assign + { push_word($1); } + | COMMA assign + { push_word(NULL); } + | COMMA + { push_word(NULL); } + | + ; + +regkey + : WORD + { push_word($1); } + | STRING + { push_word($1); } + | WORD COMMA regkey + { push_word($1); } + | STRING COMMA regkey + { push_word($1); } + | COMMA regkey + { push_word(NULL); } + | COMMA + { push_word(NULL); } + ; +%% |