[2464] | 1 | /*
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| 2 | * Copyright (c) 1989 The Regents of the University of California.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * This code is derived from software contributed to Berkeley by
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| 6 | * Robert Paul Corbett.
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| 7 | *
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| 8 | * Redistribution and use in source and binary forms, with or without
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| 9 | * modification, are permitted provided that the following conditions
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| 10 | * are met:
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer in the
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| 15 | * documentation and/or other materials provided with the distribution.
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| 16 | * 3. All advertising materials mentioning features or use of this software
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| 17 | * must display the following acknowledgement:
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| 18 | * This product includes software developed by the University of
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| 19 | * California, Berkeley and its contributors.
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| 20 | * 4. Neither the name of the University nor the names of its contributors
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| 21 | * may be used to endorse or promote products derived from this software
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| 22 | * without specific prior written permission.
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| 23 | *
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| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 34 | * SUCH DAMAGE.
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| 35 | */
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| 36 |
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| 37 | #if 0
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| 38 | #ifndef lint
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| 39 | static char sccsid[] = "@(#)skeleton.c 5.8 (Berkeley) 4/29/95";
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| 40 | #endif
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| 41 | #endif
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| 42 |
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| 43 | #include <sys/cdefs.h>
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| 44 | __FBSDID("$FreeBSD: src/usr.bin/yacc/skeleton.c,v 1.37 2003/02/12 18:03:55 davidc Exp $");
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| 45 |
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| 46 | #include "defs.h"
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| 47 |
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| 48 | /* The definition of yysccsid in the banner should be replaced with */
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| 49 | /* a #pragma ident directive if the target C compiler supports */
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| 50 | /* #pragma ident directives. */
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| 51 | /* */
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| 52 | /* If the skeleton is changed, the banner should be changed so that */
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| 53 | /* the altered version can be easily distinguished from the original. */
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| 54 | /* */
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| 55 | /* The #defines included with the banner are there because they are */
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| 56 | /* useful in subsequent code. The macros #defined in the header or */
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| 57 | /* the body either are not useful outside of semantic actions or */
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| 58 | /* are conditional. */
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| 59 |
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| 60 | const char *banner[] =
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| 61 | {
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| 62 | "#include <stdlib.h>",
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| 63 | "#ifndef lint",
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| 64 | "#ifdef __unused",
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| 65 | "__unused",
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| 66 | "#endif",
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| 67 | "static char const ",
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| 68 | "yyrcsid[] = \"$FreeBSD: src/usr.bin/yacc/skeleton.c,v 1.37 2003/02/12 18:03:55 davidc Exp $\";",
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| 69 | "#endif",
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| 70 | "#define YYBYACC 1",
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| 71 | "#define YYMAJOR 1",
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| 72 | "#define YYMINOR 9",
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| 73 | "#define YYLEX yylex()",
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| 74 | "#define YYEMPTY -1",
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| 75 | "#define yyclearin (yychar=(YYEMPTY))",
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| 76 | "#define yyerrok (yyerrflag=0)",
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| 77 | "#define YYRECOVERING() (yyerrflag!=0)",
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| 78 | "#if defined(__cplusplus) || __STDC__",
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| 79 | "static int yygrowstack(void);",
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| 80 | "#else",
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| 81 | "static int yygrowstack();",
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| 82 | "#endif",
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| 83 | 0
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| 84 | };
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| 85 |
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| 86 |
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| 87 | const char *tables[] =
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| 88 | {
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| 89 | "extern const short yylhs[];",
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| 90 | "extern const short yylen[];",
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| 91 | "extern const short yydefred[];",
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| 92 | "extern const short yydgoto[];",
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| 93 | "extern const short yysindex[];",
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| 94 | "extern const short yyrindex[];",
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| 95 | "extern const short yygindex[];",
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| 96 | "extern const short yytable[];",
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| 97 | "extern const short yycheck[];",
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| 98 | "#if YYDEBUG",
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| 99 | "extern char *yyname[];",
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| 100 | "extern char *yyrule[];",
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| 101 | "#endif",
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| 102 | 0
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| 103 | };
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| 104 |
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| 105 |
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| 106 | const char *header[] =
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| 107 | {
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| 108 | "#if YYDEBUG",
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| 109 | "#include <stdio.h>",
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| 110 | "#endif",
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| 111 | "#ifdef YYSTACKSIZE",
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| 112 | "#undef YYMAXDEPTH",
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| 113 | "#define YYMAXDEPTH YYSTACKSIZE",
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| 114 | "#else",
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| 115 | "#ifdef YYMAXDEPTH",
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| 116 | "#define YYSTACKSIZE YYMAXDEPTH",
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| 117 | "#else",
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| 118 | "#define YYSTACKSIZE 10000",
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| 119 | "#define YYMAXDEPTH 10000",
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| 120 | "#endif",
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| 121 | "#endif",
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| 122 | "#define YYINITSTACKSIZE 200",
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| 123 | "int yydebug;",
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| 124 | "int yynerrs;",
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| 125 | "int yyerrflag;",
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| 126 | "int yychar;",
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| 127 | "short *yyssp;",
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| 128 | "YYSTYPE *yyvsp;",
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| 129 | "YYSTYPE yyval;",
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| 130 | "YYSTYPE yylval;",
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| 131 | "short *yyss;",
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| 132 | "short *yysslim;",
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| 133 | "YYSTYPE *yyvs;",
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| 134 | "int yystacksize;",
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| 135 | 0
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| 136 | };
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| 137 |
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| 138 |
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| 139 | const char *body[] =
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| 140 | {
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| 141 | "/* allocate initial stack or double stack size, up to YYMAXDEPTH */",
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| 142 | "static int yygrowstack()",
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| 143 | "{",
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| 144 | " int newsize, i;",
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| 145 | " short *newss;",
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| 146 | " YYSTYPE *newvs;",
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| 147 | "",
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| 148 | " if ((newsize = yystacksize) == 0)",
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| 149 | " newsize = YYINITSTACKSIZE;",
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| 150 | " else if (newsize >= YYMAXDEPTH)",
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| 151 | " return -1;",
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| 152 | " else if ((newsize *= 2) > YYMAXDEPTH)",
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| 153 | " newsize = YYMAXDEPTH;",
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| 154 | " i = yyssp - yyss;",
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| 155 | " newss = yyss ? (short *)realloc(yyss, newsize * sizeof *newss) :",
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| 156 | " (short *)malloc(newsize * sizeof *newss);",
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| 157 | " if (newss == NULL)",
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| 158 | " return -1;",
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| 159 | " yyss = newss;",
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| 160 | " yyssp = newss + i;",
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| 161 | " newvs = yyvs ? (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs) :",
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| 162 | " (YYSTYPE *)malloc(newsize * sizeof *newvs);",
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| 163 | " if (newvs == NULL)",
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| 164 | " return -1;",
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| 165 | " yyvs = newvs;",
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| 166 | " yyvsp = newvs + i;",
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| 167 | " yystacksize = newsize;",
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| 168 | " yysslim = yyss + newsize - 1;",
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| 169 | " return 0;",
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| 170 | "}",
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| 171 | "",
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| 172 | "#define YYABORT goto yyabort",
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| 173 | "#define YYREJECT goto yyabort",
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| 174 | "#define YYACCEPT goto yyaccept",
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| 175 | "#define YYERROR goto yyerrlab",
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| 176 | "",
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| 177 | "#ifndef YYPARSE_PARAM",
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| 178 | "#if defined(__cplusplus) || __STDC__",
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| 179 | "#define YYPARSE_PARAM_ARG void",
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| 180 | "#define YYPARSE_PARAM_DECL",
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| 181 | "#else /* ! ANSI-C/C++ */",
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| 182 | "#define YYPARSE_PARAM_ARG",
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| 183 | "#define YYPARSE_PARAM_DECL",
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| 184 | "#endif /* ANSI-C/C++ */",
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| 185 | "#else /* YYPARSE_PARAM */",
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| 186 | "#ifndef YYPARSE_PARAM_TYPE",
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| 187 | "#define YYPARSE_PARAM_TYPE void *",
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| 188 | "#endif",
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| 189 | "#if defined(__cplusplus) || __STDC__",
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| 190 | "#define YYPARSE_PARAM_ARG YYPARSE_PARAM_TYPE YYPARSE_PARAM",
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| 191 | "#define YYPARSE_PARAM_DECL",
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| 192 | "#else /* ! ANSI-C/C++ */",
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| 193 | "#define YYPARSE_PARAM_ARG YYPARSE_PARAM",
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| 194 | "#define YYPARSE_PARAM_DECL YYPARSE_PARAM_TYPE YYPARSE_PARAM;",
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| 195 | "#endif /* ANSI-C/C++ */",
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| 196 | "#endif /* ! YYPARSE_PARAM */",
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| 197 | "",
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| 198 | "int",
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| 199 | "yyparse (YYPARSE_PARAM_ARG)",
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| 200 | " YYPARSE_PARAM_DECL",
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| 201 | "{",
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| 202 | " int yym, yyn, yystate;",
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| 203 | "#if YYDEBUG",
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| 204 | " const char *yys;",
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| 205 | "",
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| 206 | " if ((yys = getenv(\"YYDEBUG\")))",
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| 207 | " {",
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| 208 | " yyn = *yys;",
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| 209 | " if (yyn >= '0' && yyn <= '9')",
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| 210 | " yydebug = yyn - '0';",
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| 211 | " }",
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| 212 | "#endif",
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| 213 | "",
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| 214 | " yynerrs = 0;",
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| 215 | " yyerrflag = 0;",
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| 216 | " yychar = (-1);",
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| 217 | "",
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| 218 | " if (yyss == NULL && yygrowstack()) goto yyoverflow;",
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| 219 | " yyssp = yyss;",
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| 220 | " yyvsp = yyvs;",
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| 221 | " *yyssp = yystate = 0;",
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| 222 | "",
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| 223 | "yyloop:",
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| 224 | " if ((yyn = yydefred[yystate])) goto yyreduce;",
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| 225 | " if (yychar < 0)",
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| 226 | " {",
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| 227 | " if ((yychar = yylex()) < 0) yychar = 0;",
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| 228 | "#if YYDEBUG",
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| 229 | " if (yydebug)",
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| 230 | " {",
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| 231 | " yys = 0;",
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| 232 | " if (yychar <= YYMAXTOKEN) yys = yyname[yychar];",
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| 233 | " if (!yys) yys = \"illegal-symbol\";",
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| 234 | " printf(\"%sdebug: state %d, reading %d (%s)\\n\",",
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| 235 | " YYPREFIX, yystate, yychar, yys);",
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| 236 | " }",
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| 237 | "#endif",
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| 238 | " }",
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| 239 | " if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&",
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| 240 | " yyn <= YYTABLESIZE && yycheck[yyn] == yychar)",
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| 241 | " {",
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| 242 | "#if YYDEBUG",
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| 243 | " if (yydebug)",
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| 244 | " printf(\"%sdebug: state %d, shifting to state %d\\n\",",
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| 245 | " YYPREFIX, yystate, yytable[yyn]);",
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| 246 | "#endif",
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| 247 | " if (yyssp >= yysslim && yygrowstack())",
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| 248 | " {",
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| 249 | " goto yyoverflow;",
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| 250 | " }",
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| 251 | " *++yyssp = yystate = yytable[yyn];",
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| 252 | " *++yyvsp = yylval;",
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| 253 | " yychar = (-1);",
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| 254 | " if (yyerrflag > 0) --yyerrflag;",
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| 255 | " goto yyloop;",
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| 256 | " }",
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| 257 | " if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&",
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| 258 | " yyn <= YYTABLESIZE && yycheck[yyn] == yychar)",
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| 259 | " {",
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| 260 | " yyn = yytable[yyn];",
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| 261 | " goto yyreduce;",
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| 262 | " }",
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| 263 | " if (yyerrflag) goto yyinrecovery;",
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| 264 | "#if defined(lint) || defined(__GNUC__)",
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| 265 | " goto yynewerror;",
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| 266 | "#endif",
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| 267 | "yynewerror:",
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| 268 | " yyerror(\"syntax error\");",
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| 269 | "#if defined(lint) || defined(__GNUC__)",
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| 270 | " goto yyerrlab;",
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| 271 | "#endif",
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| 272 | "yyerrlab:",
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| 273 | " ++yynerrs;",
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| 274 | "yyinrecovery:",
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| 275 | " if (yyerrflag < 3)",
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| 276 | " {",
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| 277 | " yyerrflag = 3;",
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| 278 | " for (;;)",
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| 279 | " {",
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| 280 | " if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&",
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| 281 | " yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)",
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| 282 | " {",
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| 283 | "#if YYDEBUG",
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| 284 | " if (yydebug)",
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| 285 | " printf(\"%sdebug: state %d, error recovery shifting\\",
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| 286 | " to state %d\\n\", YYPREFIX, *yyssp, yytable[yyn]);",
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| 287 | "#endif",
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| 288 | " if (yyssp >= yysslim && yygrowstack())",
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| 289 | " {",
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| 290 | " goto yyoverflow;",
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| 291 | " }",
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| 292 | " *++yyssp = yystate = yytable[yyn];",
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| 293 | " *++yyvsp = yylval;",
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| 294 | " goto yyloop;",
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| 295 | " }",
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| 296 | " else",
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| 297 | " {",
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| 298 | "#if YYDEBUG",
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| 299 | " if (yydebug)",
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| 300 | " printf(\"%sdebug: error recovery discarding state %d\
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| 301 | \\n\",",
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| 302 | " YYPREFIX, *yyssp);",
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| 303 | "#endif",
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| 304 | " if (yyssp <= yyss) goto yyabort;",
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| 305 | " --yyssp;",
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| 306 | " --yyvsp;",
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| 307 | " }",
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| 308 | " }",
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| 309 | " }",
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| 310 | " else",
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| 311 | " {",
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| 312 | " if (yychar == 0) goto yyabort;",
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| 313 | "#if YYDEBUG",
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| 314 | " if (yydebug)",
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| 315 | " {",
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| 316 | " yys = 0;",
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| 317 | " if (yychar <= YYMAXTOKEN) yys = yyname[yychar];",
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| 318 | " if (!yys) yys = \"illegal-symbol\";",
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| 319 | " printf(\"%sdebug: state %d, error recovery discards token %d\
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| 320 | (%s)\\n\",",
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| 321 | " YYPREFIX, yystate, yychar, yys);",
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| 322 | " }",
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| 323 | "#endif",
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| 324 | " yychar = (-1);",
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| 325 | " goto yyloop;",
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| 326 | " }",
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| 327 | "yyreduce:",
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| 328 | "#if YYDEBUG",
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| 329 | " if (yydebug)",
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| 330 | " printf(\"%sdebug: state %d, reducing by rule %d (%s)\\n\",",
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| 331 | " YYPREFIX, yystate, yyn, yyrule[yyn]);",
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| 332 | "#endif",
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| 333 | " yym = yylen[yyn];",
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| 334 | " yyval = yyvsp[1-yym];",
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| 335 | " switch (yyn)",
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| 336 | " {",
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| 337 | 0
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| 338 | };
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| 339 |
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| 340 |
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| 341 | const char *trailer[] =
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| 342 | {
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| 343 | " }",
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| 344 | " yyssp -= yym;",
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| 345 | " yystate = *yyssp;",
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| 346 | " yyvsp -= yym;",
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| 347 | " yym = yylhs[yyn];",
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| 348 | " if (yystate == 0 && yym == 0)",
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| 349 | " {",
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| 350 | "#if YYDEBUG",
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| 351 | " if (yydebug)",
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| 352 | " printf(\"%sdebug: after reduction, shifting from state 0 to\\",
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| 353 | " state %d\\n\", YYPREFIX, YYFINAL);",
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| 354 | "#endif",
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| 355 | " yystate = YYFINAL;",
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| 356 | " *++yyssp = YYFINAL;",
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| 357 | " *++yyvsp = yyval;",
|
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| 358 | " if (yychar < 0)",
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| 359 | " {",
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| 360 | " if ((yychar = yylex()) < 0) yychar = 0;",
|
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| 361 | "#if YYDEBUG",
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| 362 | " if (yydebug)",
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| 363 | " {",
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| 364 | " yys = 0;",
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| 365 | " if (yychar <= YYMAXTOKEN) yys = yyname[yychar];",
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| 366 | " if (!yys) yys = \"illegal-symbol\";",
|
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| 367 | " printf(\"%sdebug: state %d, reading %d (%s)\\n\",",
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| 368 | " YYPREFIX, YYFINAL, yychar, yys);",
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| 369 | " }",
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| 370 | "#endif",
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| 371 | " }",
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| 372 | " if (yychar == 0) goto yyaccept;",
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| 373 | " goto yyloop;",
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| 374 | " }",
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| 375 | " if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&",
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| 376 | " yyn <= YYTABLESIZE && yycheck[yyn] == yystate)",
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| 377 | " yystate = yytable[yyn];",
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| 378 | " else",
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| 379 | " yystate = yydgoto[yym];",
|
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| 380 | "#if YYDEBUG",
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| 381 | " if (yydebug)",
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| 382 | " printf(\"%sdebug: after reduction, shifting from state %d \\",
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| 383 | "to state %d\\n\", YYPREFIX, *yyssp, yystate);",
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| 384 | "#endif",
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| 385 | " if (yyssp >= yysslim && yygrowstack())",
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| 386 | " {",
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| 387 | " goto yyoverflow;",
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| 388 | " }",
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| 389 | " *++yyssp = yystate;",
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| 390 | " *++yyvsp = yyval;",
|
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| 391 | " goto yyloop;",
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| 392 | "yyoverflow:",
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| 393 | " yyerror(\"yacc stack overflow\");",
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| 394 | "yyabort:",
|
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| 395 | " return (1);",
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| 396 | "yyaccept:",
|
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| 397 | " return (0);",
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| 398 | "}",
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| 399 | 0
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| 400 | };
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| 401 |
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| 402 |
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| 403 | void
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| 404 | write_section(section)
|
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| 405 | const char *section[];
|
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| 406 | {
|
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| 407 | int c;
|
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| 408 | int i;
|
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| 409 | const char *s;
|
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| 410 | FILE *f;
|
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| 411 |
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| 412 | f = code_file;
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| 413 | for (i = 0; (s = section[i]); ++i)
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| 414 | {
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| 415 | ++outline;
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| 416 | while ((c = *s))
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| 417 | {
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| 418 | putc(c, f);
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| 419 | ++s;
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| 420 | }
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| 421 | putc('\n', f);
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| 422 | }
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| 423 | }
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