| 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)",
 | 
|---|
| 363 |     "            {",
 | 
|---|
| 364 |     "                yys = 0;",
 | 
|---|
| 365 |     "                if (yychar <= YYMAXTOKEN) yys = yyname[yychar];",
 | 
|---|
| 366 |     "                if (!yys) yys = \"illegal-symbol\";",
 | 
|---|
| 367 |     "                printf(\"%sdebug: state %d, reading %d (%s)\\n\",",
 | 
|---|
| 368 |     "                        YYPREFIX, YYFINAL, yychar, yys);",
 | 
|---|
| 369 |     "            }",
 | 
|---|
| 370 |     "#endif",
 | 
|---|
| 371 |     "        }",
 | 
|---|
| 372 |     "        if (yychar == 0) goto yyaccept;",
 | 
|---|
| 373 |     "        goto yyloop;",
 | 
|---|
| 374 |     "    }",
 | 
|---|
| 375 |     "    if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&",
 | 
|---|
| 376 |     "            yyn <= YYTABLESIZE && yycheck[yyn] == yystate)",
 | 
|---|
| 377 |     "        yystate = yytable[yyn];",
 | 
|---|
| 378 |     "    else",
 | 
|---|
| 379 |     "        yystate = yydgoto[yym];",
 | 
|---|
| 380 |     "#if YYDEBUG",
 | 
|---|
| 381 |     "    if (yydebug)",
 | 
|---|
| 382 |     "        printf(\"%sdebug: after reduction, shifting from state %d \\",
 | 
|---|
| 383 |     "to state %d\\n\", YYPREFIX, *yyssp, yystate);",
 | 
|---|
| 384 |     "#endif",
 | 
|---|
| 385 |     "    if (yyssp >= yysslim && yygrowstack())",
 | 
|---|
| 386 |     "    {",
 | 
|---|
| 387 |     "        goto yyoverflow;",
 | 
|---|
| 388 |     "    }",
 | 
|---|
| 389 |     "    *++yyssp = yystate;",
 | 
|---|
| 390 |     "    *++yyvsp = yyval;",
 | 
|---|
| 391 |     "    goto yyloop;",
 | 
|---|
| 392 |     "yyoverflow:",
 | 
|---|
| 393 |     "    yyerror(\"yacc stack overflow\");",
 | 
|---|
| 394 |     "yyabort:",
 | 
|---|
| 395 |     "    return (1);",
 | 
|---|
| 396 |     "yyaccept:",
 | 
|---|
| 397 |     "    return (0);",
 | 
|---|
| 398 |     "}",
 | 
|---|
| 399 |     0
 | 
|---|
| 400 | };
 | 
|---|
| 401 | 
 | 
|---|
| 402 | 
 | 
|---|
| 403 | void
 | 
|---|
| 404 | write_section(section)
 | 
|---|
| 405 | const char *section[];
 | 
|---|
| 406 | {
 | 
|---|
| 407 |     int c;
 | 
|---|
| 408 |     int i;
 | 
|---|
| 409 |     const char *s;
 | 
|---|
| 410 |     FILE *f;
 | 
|---|
| 411 | 
 | 
|---|
| 412 |     f = code_file;
 | 
|---|
| 413 |     for (i = 0; (s = section[i]); ++i)
 | 
|---|
| 414 |     {
 | 
|---|
| 415 |         ++outline;
 | 
|---|
| 416 |         while ((c = *s))
 | 
|---|
| 417 |         {
 | 
|---|
| 418 |             putc(c, f);
 | 
|---|
| 419 |             ++s;
 | 
|---|
| 420 |         }
 | 
|---|
| 421 |         putc('\n', f);
 | 
|---|
| 422 |     }
 | 
|---|
| 423 | }
 | 
|---|