diff options
Diffstat (limited to 'src/kash/generated/arith.c')
| -rw-r--r-- | src/kash/generated/arith.c | 748 |
1 files changed, 748 insertions, 0 deletions
diff --git a/src/kash/generated/arith.c b/src/kash/generated/arith.c new file mode 100644 index 0000000..1f6b6e0 --- /dev/null +++ b/src/kash/generated/arith.c @@ -0,0 +1,748 @@ +#ifndef lint +static const char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; +#endif + +#include <stdlib.h> +#include <string.h> + +#define YYBYACC 1 +#define YYMAJOR 1 +#define YYMINOR 9 +#define YYPATCH 20091027 + +#define YYEMPTY (-1) +#define yyclearin (yychar = YYEMPTY) +#define yyerrok (yyerrflag = 0) +#define YYRECOVERING() (yyerrflag != 0) + +/* compatibility with bison */ +#ifdef YYPARSE_PARAM +/* compatibility with FreeBSD */ +#ifdef YYPARSE_PARAM_TYPE +#define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM) +#else +#define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM) +#endif +#else +#define YYPARSE_DECL() yyparse(void) +#endif /* YYPARSE_PARAM */ + +extern int YYPARSE_DECL(); + +static int yygrowstack(void); +#define YYPREFIX "yy" +/* $NetBSD: arith.y,v 1.17 2003/09/17 17:33:36 jmmv Exp $ */ + +/*- + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Kenneth Almquist. + * + * 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. + */ + +#if 0 +#ifndef lint +static char sccsid[] = "@(#)arith.y 8.3 (Berkeley) 5/4/95"; +#else +__RCSID("$NetBSD: arith.y,v 1.17 2003/09/17 17:33:36 jmmv Exp $"); +#endif /* not lint */ +#endif + +#include <stdlib.h> +#include "expand.h" +#include "shell.h" +#include "error.h" +#include "output.h" +#include "memalloc.h" +#include "shinstance.h" + +shinstance *arith_psh; +const char *arith_buf, *arith_startbuf; + +void yyerror(const char *); +#ifdef TESTARITH +int main(int , char *[]); +int error(char *); +#else +# undef malloc +# define malloc(cb) sh_malloc(NULL, (cb)) +# undef realloc +# define realloc(pv,cb) sh_realloc(NULL, (pv), (cb)) +# undef free +# define free(pv) sh_free(NULL, (pv)) +#endif + +#define ARITH_NUM 257 +#define ARITH_LPAREN 258 +#define ARITH_RPAREN 259 +#define ARITH_OR 260 +#define ARITH_AND 261 +#define ARITH_BOR 262 +#define ARITH_BXOR 263 +#define ARITH_BAND 264 +#define ARITH_EQ 265 +#define ARITH_NE 266 +#define ARITH_LT 267 +#define ARITH_GT 268 +#define ARITH_GE 269 +#define ARITH_LE 270 +#define ARITH_LSHIFT 271 +#define ARITH_RSHIFT 272 +#define ARITH_ADD 273 +#define ARITH_SUB 274 +#define ARITH_MUL 275 +#define ARITH_DIV 276 +#define ARITH_REM 277 +#define ARITH_UNARYMINUS 278 +#define ARITH_UNARYPLUS 279 +#define ARITH_NOT 280 +#define ARITH_BNOT 281 +#define YYERRCODE 256 +static const short yylhs[] = { -1, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, +}; +static const short yylen[] = { 2, + 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 2, 2, 2, 2, 1, +}; +static const short yydefred[] = { 0, + 25, 0, 0, 0, 0, 0, 0, 0, 0, 24, + 23, 21, 22, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 18, 19, 20, +}; +static const short yydgoto[] = { 7, + 8, +}; +static const short yysindex[] = { -255, + 0, -255, -255, -255, -255, -255, 0, -67, -85, 0, + 0, 0, 0, -255, -255, -255, -255, -255, -255, -255, + -255, -255, -255, -255, -255, -255, -255, -255, -255, -255, + -255, 0, -50, -34, -19, 141, -261, -233, -233, -223, + -223, -223, -223, -253, -253, -248, -248, 0, 0, 0, +}; +static const short yyrindex[] = { 0, + 0, 0, 0, 0, 0, 0, 0, 30, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 143, 140, 136, 131, 125, 109, 117, 61, + 73, 85, 97, 33, 47, 1, 17, 0, 0, 0, +}; +static const short yygindex[] = { 0, + 142, +}; +#define YYTABLESIZE 418 +static const short yytable[] = { 0, + 16, 1, 2, 19, 20, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 17, 3, 4, 27, + 28, 29, 30, 31, 5, 6, 29, 30, 31, 1, + 0, 0, 14, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 0, 0, 15, 25, 26, 27, + 28, 29, 30, 31, 0, 0, 0, 0, 0, 0, + 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, + 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, + 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, + 6, 0, 0, 0, 0, 5, 0, 0, 0, 4, + 0, 0, 3, 9, 10, 11, 12, 13, 0, 0, + 0, 0, 0, 0, 0, 33, 34, 35, 36, 37, + 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 32, 14, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 14, 15, 16, 17, 18, 19, 20, 21, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, + 29, 30, 31, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 0, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, + 17, 14, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, + 8, 8, 8, 8, 8, 13, 13, 13, 13, 13, + 13, 13, 13, 7, 7, 7, 7, 7, 7, 6, + 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, + 4, 3, 3, 0, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, +}; +static const short yycheck[] = { -1, + 0, 257, 258, 265, 266, 267, 268, 269, 270, 271, + 272, 273, 274, 275, 276, 277, 0, 273, 274, 273, + 274, 275, 276, 277, 280, 281, 275, 276, 277, 0, + -1, -1, 0, 267, 268, 269, 270, 271, 272, 273, + 274, 275, 276, 277, -1, -1, 0, 271, 272, 273, + 274, 275, 276, 277, -1, -1, -1, -1, -1, -1, + 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 0, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 0, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 0, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, 0, -1, + -1, -1, -1, -1, -1, -1, 0, -1, -1, -1, + -1, -1, -1, -1, 0, -1, -1, -1, -1, -1, + 0, -1, -1, -1, -1, 0, -1, -1, -1, 0, + -1, -1, 0, 2, 3, 4, 5, 6, -1, -1, + -1, -1, -1, -1, -1, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, + 29, 30, 31, 259, 260, 261, 262, 263, 264, 265, + 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, + 276, 277, 260, 261, 262, 263, 264, 265, 266, 267, + 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, + 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, + 271, 272, 273, 274, 275, 276, 277, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 263, 264, 265, 266, 267, 268, 269, + 270, 271, 272, 273, 274, 275, 276, 277, -1, 259, + 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, + 270, 271, 272, 273, 274, 259, 260, 261, 262, 263, + 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, + 274, 259, 260, 261, 262, 263, 264, 265, 266, 267, + 268, 269, 270, 271, 272, 259, 260, 261, 262, 263, + 264, 265, 266, 267, 268, 269, 270, 271, 272, 259, + 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, + 270, 259, 260, 261, 262, 263, 264, 265, 266, 267, + 268, 269, 270, 259, 260, 261, 262, 263, 264, 265, + 266, 267, 268, 269, 270, 259, 260, 261, 262, 263, + 264, 265, 266, 267, 268, 269, 270, 259, 260, 261, + 262, 263, 264, 265, 266, 259, 260, 261, 262, 263, + 264, 265, 266, 259, 260, 261, 262, 263, 264, 259, + 260, 261, 262, 263, 259, 260, 261, 262, 259, 260, + 261, 259, 260, -1, 264, 265, 266, 267, 268, 269, + 270, 271, 272, 273, 274, 275, 276, 277, +}; +#define YYFINAL 7 +#ifndef YYDEBUG +#define YYDEBUG 0 +#endif +#define YYMAXTOKEN 281 +#if YYDEBUG +static const char *yyname[] = { + +"end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, +0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"ARITH_NUM","ARITH_LPAREN", +"ARITH_RPAREN","ARITH_OR","ARITH_AND","ARITH_BOR","ARITH_BXOR","ARITH_BAND", +"ARITH_EQ","ARITH_NE","ARITH_LT","ARITH_GT","ARITH_GE","ARITH_LE", +"ARITH_LSHIFT","ARITH_RSHIFT","ARITH_ADD","ARITH_SUB","ARITH_MUL","ARITH_DIV", +"ARITH_REM","ARITH_UNARYMINUS","ARITH_UNARYPLUS","ARITH_NOT","ARITH_BNOT", +}; +static const char *yyrule[] = { +"$accept : exp", +"exp : expr", +"expr : ARITH_LPAREN expr ARITH_RPAREN", +"expr : expr ARITH_OR expr", +"expr : expr ARITH_AND expr", +"expr : expr ARITH_BOR expr", +"expr : expr ARITH_BXOR expr", +"expr : expr ARITH_BAND expr", +"expr : expr ARITH_EQ expr", +"expr : expr ARITH_GT expr", +"expr : expr ARITH_GE expr", +"expr : expr ARITH_LT expr", +"expr : expr ARITH_LE expr", +"expr : expr ARITH_NE expr", +"expr : expr ARITH_LSHIFT expr", +"expr : expr ARITH_RSHIFT expr", +"expr : expr ARITH_ADD expr", +"expr : expr ARITH_SUB expr", +"expr : expr ARITH_MUL expr", +"expr : expr ARITH_DIV expr", +"expr : expr ARITH_REM expr", +"expr : ARITH_NOT expr", +"expr : ARITH_BNOT expr", +"expr : ARITH_SUB expr", +"expr : ARITH_ADD expr", +"expr : ARITH_NUM", + +}; +#endif +#ifndef YYSTYPE +typedef int YYSTYPE; +#endif +#if YYDEBUG +#include <stdio.h> +#endif + +/* define the initial stack-sizes */ +#ifdef YYSTACKSIZE +#undef YYMAXDEPTH +#define YYMAXDEPTH YYSTACKSIZE +#else +#ifdef YYMAXDEPTH +#define YYSTACKSIZE YYMAXDEPTH +#else +#define YYSTACKSIZE 500 +#define YYMAXDEPTH 500 +#endif +#endif + +#define YYINITSTACKSIZE 500 + +int yydebug; +int yynerrs; +int yyerrflag; +int yychar; +short *yyssp; +YYSTYPE *yyvsp; +YYSTYPE yyval; +YYSTYPE yylval; + +/* variables for the parser stack */ +static short *yyss; +static short *yysslim; +static YYSTYPE *yyvs; +static unsigned yystacksize; +int +arith(shinstance *psh, const char *s) +{ + long result; + + INTOFF; +/* todo lock */ + arith_psh = psh; + arith_buf = arith_startbuf = s; + result = yyparse(); + arith_lex_reset(); /* reprime lex */ + arith_psh = NULL; +/* todo unlock */ + INTON; + + return (result); +} + + +/* + * The exp(1) builtin. + */ +int +expcmd(shinstance *psh, int argc, char **argv) +{ + const char *p; + char *concat; + char **ap; + long i; + + if (argc > 1) { + p = argv[1]; + if (argc > 2) { + /* + * concatenate arguments + */ + STARTSTACKSTR(psh, concat); + ap = argv + 2; + for (;;) { + while (*p) + STPUTC(psh, *p++, concat); + if ((p = *ap++) == NULL) + break; + STPUTC(psh, ' ', concat); + } + STPUTC(psh, '\0', concat); + p = grabstackstr(psh, concat); + } + } else + p = ""; + + i = arith(psh, p); + + out1fmt(psh, "%ld\n", i); + return (! i); +} + +/*************************/ +#ifdef TEST_ARITH +#include <stdio.h> +main(argc, argv) + char *argv[]; +{ + printf("%d\n", exp(argv[1])); +} +error(s) + char *s; +{ + fprintf(stderr, "exp: %s\n", s); + exit(1); +} +#endif + +void +yyerror(const char *s) +{ + shinstance *psh = arith_psh; +#ifndef YYBISON /* yyerrok references yyerrstatus which is a local variable in yyparse().*/ + yyerrok; +#endif + yyclearin; + arith_lex_reset(); /* reprime lex */ +/** @todo unlock */ + error(psh, "arithmetic expression: %s: \"%s\"", s, arith_startbuf); + /* NOTREACHED */ +} +/* allocate initial stack or double stack size, up to YYMAXDEPTH */ +static int yygrowstack(void) +{ + int i; + unsigned newsize; + short *newss; + YYSTYPE *newvs; + + if ((newsize = yystacksize) == 0) + newsize = YYINITSTACKSIZE; + else if (newsize >= YYMAXDEPTH) + return -1; + else if ((newsize *= 2) > YYMAXDEPTH) + newsize = YYMAXDEPTH; + + i = yyssp - yyss; + newss = (yyss != 0) + ? (short *)realloc(yyss, newsize * sizeof(*newss)) + : (short *)malloc(newsize * sizeof(*newss)); + if (newss == 0) + return -1; + + yyss = newss; + yyssp = newss + i; + newvs = (yyvs != 0) + ? (YYSTYPE *)realloc(yyvs, newsize * sizeof(*newvs)) + : (YYSTYPE *)malloc(newsize * sizeof(*newvs)); + if (newvs == 0) + return -1; + + yyvs = newvs; + yyvsp = newvs + i; + yystacksize = newsize; + yysslim = yyss + newsize - 1; + return 0; +} + +#define YYABORT goto yyabort +#define YYREJECT goto yyabort +#define YYACCEPT goto yyaccept +#define YYERROR goto yyerrlab + +int +YYPARSE_DECL() +{ + int yym, yyn, yystate; +#if YYDEBUG + const char *yys; + + if ((yys = getenv("YYDEBUG")) != 0) + { + yyn = *yys; + if (yyn >= '0' && yyn <= '9') + yydebug = yyn - '0'; + } +#endif + + yynerrs = 0; + yyerrflag = 0; + yychar = YYEMPTY; + yystate = 0; + + if (yyss == NULL && yygrowstack()) goto yyoverflow; + yyssp = yyss; + yyvsp = yyvs; + yystate = 0; + *yyssp = 0; + +yyloop: + if ((yyn = yydefred[yystate]) != 0) goto yyreduce; + if (yychar < 0) + { + if ((yychar = yylex()) < 0) yychar = 0; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("%sdebug: state %d, reading %d (%s)\n", + YYPREFIX, yystate, yychar, yys); + } +#endif + } + if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yychar) + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: state %d, shifting to state %d\n", + YYPREFIX, yystate, yytable[yyn]); +#endif + if (yyssp >= yysslim && yygrowstack()) + { + goto yyoverflow; + } + yystate = yytable[yyn]; + *++yyssp = yytable[yyn]; + *++yyvsp = yylval; + yychar = YYEMPTY; + if (yyerrflag > 0) --yyerrflag; + goto yyloop; + } + if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yychar) + { + yyn = yytable[yyn]; + goto yyreduce; + } + if (yyerrflag) goto yyinrecovery; + + yyerror("syntax error"); + + goto yyerrlab; + +yyerrlab: + ++yynerrs; + +yyinrecovery: + if (yyerrflag < 3) + { + yyerrflag = 3; + for (;;) + { + if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE) + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: state %d, error recovery shifting\ + to state %d\n", YYPREFIX, *yyssp, yytable[yyn]); +#endif + if (yyssp >= yysslim && yygrowstack()) + { + goto yyoverflow; + } + yystate = yytable[yyn]; + *++yyssp = yytable[yyn]; + *++yyvsp = yylval; + goto yyloop; + } + else + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: error recovery discarding state %d\n", + YYPREFIX, *yyssp); +#endif + if (yyssp <= yyss) goto yyabort; + --yyssp; + --yyvsp; + } + } + } + else + { + if (yychar == 0) goto yyabort; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("%sdebug: state %d, error recovery discards token %d (%s)\n", + YYPREFIX, yystate, yychar, yys); + } +#endif + yychar = YYEMPTY; + goto yyloop; + } + +yyreduce: +#if YYDEBUG + if (yydebug) + printf("%sdebug: state %d, reducing by rule %d (%s)\n", + YYPREFIX, yystate, yyn, yyrule[yyn]); +#endif + yym = yylen[yyn]; + if (yym) + yyval = yyvsp[1-yym]; + else + memset(&yyval, 0, sizeof yyval); + switch (yyn) + { +case 1: + { + return (yyvsp[0]); + } +break; +case 2: + { yyval = yyvsp[-1]; } +break; +case 3: + { yyval = yyvsp[-2] ? yyvsp[-2] : yyvsp[0] ? yyvsp[0] : 0; } +break; +case 4: + { yyval = yyvsp[-2] ? ( yyvsp[0] ? yyvsp[0] : 0 ) : 0; } +break; +case 5: + { yyval = yyvsp[-2] | yyvsp[0]; } +break; +case 6: + { yyval = yyvsp[-2] ^ yyvsp[0]; } +break; +case 7: + { yyval = yyvsp[-2] & yyvsp[0]; } +break; +case 8: + { yyval = yyvsp[-2] == yyvsp[0]; } +break; +case 9: + { yyval = yyvsp[-2] > yyvsp[0]; } +break; +case 10: + { yyval = yyvsp[-2] >= yyvsp[0]; } +break; +case 11: + { yyval = yyvsp[-2] < yyvsp[0]; } +break; +case 12: + { yyval = yyvsp[-2] <= yyvsp[0]; } +break; +case 13: + { yyval = yyvsp[-2] != yyvsp[0]; } +break; +case 14: + { yyval = yyvsp[-2] << yyvsp[0]; } +break; +case 15: + { yyval = yyvsp[-2] >> yyvsp[0]; } +break; +case 16: + { yyval = yyvsp[-2] + yyvsp[0]; } +break; +case 17: + { yyval = yyvsp[-2] - yyvsp[0]; } +break; +case 18: + { yyval = yyvsp[-2] * yyvsp[0]; } +break; +case 19: + { + if (yyvsp[0] == 0) + yyerror("division by zero"); + yyval = yyvsp[-2] / yyvsp[0]; + } +break; +case 20: + { + if (yyvsp[0] == 0) + yyerror("division by zero"); + yyval = yyvsp[-2] % yyvsp[0]; + } +break; +case 21: + { yyval = !(yyvsp[0]); } +break; +case 22: + { yyval = ~(yyvsp[0]); } +break; +case 23: + { yyval = -(yyvsp[0]); } +break; +case 24: + { yyval = yyvsp[0]; } +break; + } + yyssp -= yym; + yystate = *yyssp; + yyvsp -= yym; + yym = yylhs[yyn]; + if (yystate == 0 && yym == 0) + { +#if YYDEBUG + if (yydebug) + printf("%sdebug: after reduction, shifting from state 0 to\ + state %d\n", YYPREFIX, YYFINAL); +#endif + yystate = YYFINAL; + *++yyssp = YYFINAL; + *++yyvsp = yyval; + if (yychar < 0) + { + if ((yychar = yylex()) < 0) yychar = 0; +#if YYDEBUG + if (yydebug) + { + yys = 0; + if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; + if (!yys) yys = "illegal-symbol"; + printf("%sdebug: state %d, reading %d (%s)\n", + YYPREFIX, YYFINAL, yychar, yys); + } +#endif + } + if (yychar == 0) goto yyaccept; + goto yyloop; + } + if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && + yyn <= YYTABLESIZE && yycheck[yyn] == yystate) + yystate = yytable[yyn]; + else + yystate = yydgoto[yym]; +#if YYDEBUG + if (yydebug) + printf("%sdebug: after reduction, shifting from state %d \ +to state %d\n", YYPREFIX, *yyssp, yystate); +#endif + if (yyssp >= yysslim && yygrowstack()) + { + goto yyoverflow; + } + *++yyssp = (short) yystate; + *++yyvsp = yyval; + goto yyloop; + +yyoverflow: + yyerror("yacc stack overflow"); + +yyabort: + return (1); + +yyaccept: + return (0); +} |