/* $NetBSD: conf_parse.y,v 1.1.1.3 2015/01/17 16:34:15 christos Exp $ */ /* * Copyright (c) 1997-2014 Erez Zadok * Copyright (c) 1989 Jan-Simon Pendry * Copyright (c) 1989 Imperial College of Science, Technology & Medicine * Copyright (c) 1989 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry at Imperial College, London. * * 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. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS OR CONTRIBUTORS 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. * * * File: am-utils/amd/conf_parse.y * */ %{ #ifdef HAVE_CONFIG_H # include #endif /* HAVE_CONFIG_H */ #include #include extern char *yytext; extern int ayylineno; extern int yylex(void); static int yyerror(const char *s); static int retval; static char *header_section = NULL; /* start with no header section */ #define YYDEBUG 1 #define PARSE_DEBUG 0 #if PARSE_DEBUG # define dprintf(f,s) fprintf(stderr, (f), ayylineno, (s)) # define amu_return(v) #else /* not PARSE_DEBUG */ # define dprintf(f,s) # define amu_return(v) return((v)) #endif /* not PARSE_DEBUG */ %} %union { char *strtype; } %token LEFT_BRACKET RIGHT_BRACKET EQUAL %token NEWLINE %token NONWS_STRING %token NONWSEQ_STRING %token QUOTED_NONWSEQ_STRING %start file %% /****************************************************************************/ file : { yydebug = PARSE_DEBUG; } newlines map_sections | { yydebug = PARSE_DEBUG; } map_sections ; newlines : NEWLINE | NEWLINE newlines ; map_sections : map_section | map_section map_sections ; map_section : sec_header kv_pairs ; sec_header : LEFT_BRACKET NONWS_STRING RIGHT_BRACKET NEWLINE { if (yydebug) fprintf(stderr, "sec_header1 = \"%s\"\n", $2); header_section = $2; } ; kv_pairs : kv_pair | kv_pair kv_pairs ; kv_pair : NONWS_STRING EQUAL NONWS_STRING NEWLINE { if (yydebug) fprintf(stderr,"parse1: key=\"%s\", val=\"%s\"\n", $1, $3); retval = set_conf_kv(header_section, $1, $3); if (retval != 0) { yyerror("syntax error"); YYABORT; } } | NONWS_STRING EQUAL NONWSEQ_STRING NEWLINE { if (yydebug) fprintf(stderr,"parse2: key=\"%s\", val=\"%s\"\n", $1, $3); retval = set_conf_kv(header_section, $1, $3); if (retval != 0) { yyerror("syntax error"); YYABORT; } } | NONWS_STRING EQUAL QUOTED_NONWSEQ_STRING NEWLINE { if (yydebug) fprintf(stderr,"parse3: key=\"%s\", val=\"%s\"\n", $1, $3); retval = set_conf_kv(header_section, $1, $3); if (retval != 0) { yyerror("syntax error"); YYABORT; } } | NEWLINE ; /****************************************************************************/ %% static int yyerror(const char *s) { fprintf(stderr, "AMDCONF: %s on line %d (section %s)\n", s, ayylineno, (header_section ? header_section : "null")); exit(1); return 1; /* to full compilers that insist on a return statement */ }