| 1 | /* |
| 2 | * Copyright (c) 1997-1999 Erez Zadok |
| 3 | * Copyright (c) 1989 Jan-Simon Pendry |
| 4 | * Copyright (c) 1989 Imperial College of Science, Technology & Medicine |
| 5 | * Copyright (c) 1989 The Regents of the University of California. |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * This code is derived from software contributed to Berkeley by |
| 9 | * Jan-Simon Pendry at Imperial College, London. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * 3. All advertising materials mentioning features or use of this software |
| 20 | * must display the following acknowledgment: |
| 21 | * This product includes software developed by the University of |
| 22 | * California, Berkeley and its contributors. |
| 23 | * 4. Neither the name of the University nor the names of its contributors |
| 24 | * may be used to endorse or promote products derived from this software |
| 25 | * without specific prior written permission. |
| 26 | * |
| 27 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 28 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 29 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 30 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 31 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 35 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 36 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 37 | * SUCH DAMAGE. |
| 38 | * |
| 39 | * %W% (Berkeley) %G% |
| 40 | * |
| 41 | * $Id: conf_parse.y,v 1.3 1999/04/16 14:20:59 ezk Exp $ |
| 42 | * |
| 43 | */ |
| 44 | |
| 45 | %{ |
| 46 | #ifdef HAVE_CONFIG_H |
| 47 | # include <config.h> |
| 48 | #endif /* HAVE_CONFIG_H */ |
| 49 | #include <am_defs.h> |
| 50 | #include <amd.h> |
| 51 | |
| 52 | /* AIX requires this to be the first thing in the file. */ |
| 53 | #ifndef __GNUC__ |
| 54 | # if HAVE_ALLOCA_H |
| 55 | # include <alloca.h> |
| 56 | # else /* not HAVE_ALLOCA_H */ |
| 57 | # ifdef _AIX |
| 58 | #pragma alloca |
| 59 | # else /* not _AIX */ |
| 60 | # ifndef alloca |
| 61 | /* predefined by HP cc +Olibcalls */ |
| 62 | voidp alloca(); |
| 63 | # endif /* not alloca */ |
| 64 | # endif /* not _AIX */ |
| 65 | # endif /* not HAVE_ALLOCA_H */ |
| 66 | #endif /* not __GNUC__ */ |
| 67 | |
| 68 | extern char *yytext; |
| 69 | extern int ayylineno; |
| 70 | extern int yylex(void); |
| 71 | |
| 72 | static int yyerror(const char *s); |
| 73 | static int retval; |
| 74 | static char *header_section = NULL; /* start with no header section */ |
| 75 | |
| 76 | #define YYDEBUG 1 |
| 77 | |
| 78 | #define PARSE_DEBUG 0 |
| 79 | |
| 80 | #if PARSE_DEBUG |
| 81 | # define dprintf(f,s) fprintf(stderr, (f), ayylineno, (s)) |
| 82 | # define amu_return(v) |
| 83 | #else |
| 84 | # define dprintf(f,s) |
| 85 | # define amu_return(v) return((v)) |
| 86 | #endif /* PARSE_DEBUG */ |
| 87 | |
| 88 | %} |
| 89 | |
| 90 | %union { |
| 91 | char *strtype; |
| 92 | } |
| 93 | |
| 94 | %token LEFT_BRACKET RIGHT_BRACKET EQUAL |
| 95 | %token NEWLINE |
| 96 | %token <strtype> NONWS_STRING |
| 97 | %token <strtype> NONWSEQ_STRING |
| 98 | %token <strtype> QUOTED_NONWSEQ_STRING |
| 99 | |
| 100 | %start file |
| 101 | %% |
| 102 | |
| 103 | /****************************************************************************/ |
| 104 | file : { yydebug = PARSE_DEBUG; } newlines map_sections |
| 105 | | { yydebug = PARSE_DEBUG; } map_sections |
| 106 | ; |
| 107 | |
| 108 | newlines : NEWLINE |
| 109 | | NEWLINE newlines |
| 110 | ; |
| 111 | |
| 112 | map_sections : map_section |
| 113 | | map_section map_sections |
| 114 | ; |
| 115 | |
| 116 | map_section : sec_header kv_pairs |
| 117 | ; |
| 118 | |
| 119 | sec_header : LEFT_BRACKET NONWS_STRING RIGHT_BRACKET NEWLINE |
| 120 | { |
| 121 | if (yydebug) |
| 122 | fprintf(stderr, "sec_header1 = \"%s\"\n", $2); |
| 123 | header_section = $2; |
| 124 | } |
| 125 | ; |
| 126 | |
| 127 | kv_pairs : kv_pair |
| 128 | | kv_pair kv_pairs |
| 129 | ; |
| 130 | |
| 131 | kv_pair : NONWS_STRING EQUAL NONWS_STRING NEWLINE |
| 132 | { |
| 133 | if (yydebug) |
| 134 | fprintf(stderr,"parse1: key=\"%s\", val=\"%s\"\n", $1, $3); |
| 135 | retval = set_conf_kv(header_section, $1, $3); |
| 136 | if (retval != 0) { |
| 137 | yyerror("syntax error"); |
| 138 | YYABORT; |
| 139 | } |
| 140 | } |
| 141 | | NONWS_STRING EQUAL NONWSEQ_STRING NEWLINE |
| 142 | { |
| 143 | if (yydebug) |
| 144 | fprintf(stderr,"parse2: key=\"%s\", val=\"%s\"\n", $1, $3); |
| 145 | retval = set_conf_kv(header_section, $1, $3); |
| 146 | if (retval != 0) { |
| 147 | yyerror("syntax error"); |
| 148 | YYABORT; |
| 149 | } |
| 150 | } |
| 151 | | NONWS_STRING EQUAL QUOTED_NONWSEQ_STRING NEWLINE |
| 152 | { |
| 153 | if (yydebug) |
| 154 | fprintf(stderr,"parse3: key=\"%s\", val=\"%s\"\n", $1, $3); |
| 155 | retval = set_conf_kv(header_section, $1, $3); |
| 156 | if (retval != 0) { |
| 157 | yyerror("syntax error"); |
| 158 | YYABORT; |
| 159 | } |
| 160 | } |
| 161 | | NEWLINE |
| 162 | ; |
| 163 | |
| 164 | /****************************************************************************/ |
| 165 | %% |
| 166 | |
| 167 | static int |
| 168 | yyerror(const char *s) |
| 169 | { |
| 170 | fprintf(stderr, "AMDCONF: %s on line %d (section %s)\n", |
| 171 | s, ayylineno, |
| 172 | (header_section ? header_section : "null")); |
| 173 | exit(1); |
| 174 | return 1; /* to full compilers that insist on a return statement */ |
| 175 | } |