Initial import
This commit is contained in:
Justine Tunney
713
third_party/m4/parser.c
vendored
Normal file
713
third_party/m4/parser.c
vendored
Normal file
@@ -0,0 +1,713 @@
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#include "libc/limits.h"
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#include "libc/math.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/str/str.h"
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#define YYBYACC 1
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#define YYMAJOR 1
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#define YYMINOR 9
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#define YYLEX yylex()
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#define YYEMPTY -1
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#define yyclearin (yychar = (YYEMPTY))
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#define yyerrok (yyerrflag = 0)
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#define YYRECOVERING() (yyerrflag != 0)
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#define YYPREFIX "yy"
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/* clang-format off */
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/* #line 2 "parser.y" */
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/* $OpenBSD: parser.y,v 1.7 2012/04/12 17:00:11 espie Exp $ */
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/*
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* Copyright (c) 2004 Marc Espie <espie@cvs.openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define YYSTYPE int32_t
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extern int32_t end_result;
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extern int yylex(void);
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extern int yyerror(const char *);
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/* #line 36 "parser.c" */
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#define NUMBER 257
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#define ERROR 258
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#define LOR 259
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#define LAND 260
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#define EQ 261
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#define NE 262
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#define LE 263
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#define GE 264
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#define LSHIFT 265
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#define RSHIFT 266
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#define EXPONENT 267
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#define UMINUS 268
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#define UPLUS 269
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#define YYERRCODE 256
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const short yylhs[] =
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{ -1,
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1,
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};
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const short yylen[] =
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{ 2,
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1, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 2, 2, 2, 2, 1,
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};
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const short yydefred[] =
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{ 0,
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26, 0, 0, 0, 0, 0, 0, 0, 23, 22,
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24, 25, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 21, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0,
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};
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const short yydgoto[] =
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{ 7,
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8,
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};
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const short yysindex[] =
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{ 95,
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0, 95, 95, 95, 95, 95, 0, 397, 0, 0,
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0, 0, 383, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 95, 95, 95, 95, 95, 95, 95, 95,
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95, 95, 0, 428, 471, 482, 185, 437, 493, 493,
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-10, -10, -10, -10, -23, -23, -34, -34, -267, -267,
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-267, -267,};
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const short yyrindex[] =
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{ 0,
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0, 0, 0, 0, 0, 0, 0, 2, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 11, 62, 23, 101, 308, 201, 243,
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124, 130, 144, 155, 79, 116, 51, 67, 1, 12,
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28, 40,};
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const short yygindex[] =
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{ 0,
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582,
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};
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#define YYTABLESIZE 760
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const short yytable[] =
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{ 32,
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5, 1, 31, 0, 0, 0, 0, 29, 0, 0,
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20, 6, 30, 31, 0, 0, 0, 0, 29, 27,
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0, 28, 18, 30, 0, 0, 31, 7, 0, 0,
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0, 29, 27, 0, 28, 0, 30, 5, 5, 4,
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0, 5, 5, 5, 0, 5, 0, 5, 6, 6,
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2, 20, 6, 6, 6, 0, 6, 0, 6, 0,
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5, 19, 5, 18, 7, 7, 3, 0, 7, 7,
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7, 6, 7, 6, 7, 0, 4, 4, 8, 0,
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4, 4, 4, 0, 4, 0, 4, 7, 2, 7,
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0, 2, 0, 2, 5, 2, 0, 0, 0, 4,
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17, 4, 19, 0, 3, 6, 0, 3, 0, 3,
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2, 3, 2, 0, 0, 9, 8, 0, 0, 8,
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0, 7, 0, 10, 5, 0, 3, 4, 3, 12,
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0, 0, 0, 4, 6, 6, 0, 2, 8, 3,
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8, 17, 0, 11, 2, 0, 18, 0, 0, 0,
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0, 7, 0, 9, 13, 0, 9, 0, 0, 0,
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3, 10, 0, 4, 10, 0, 0, 12, 0, 0,
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12, 0, 8, 0, 2, 9, 0, 9, 0, 0,
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0, 11, 0, 10, 11, 10, 0, 0, 0, 12,
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3, 12, 13, 0, 17, 13, 0, 0, 0, 0,
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14, 0, 8, 11, 0, 11, 0, 0, 0, 9,
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0, 0, 0, 0, 13, 0, 13, 10, 0, 0,
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5, 31, 18, 12, 17, 0, 29, 27, 0, 28,
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0, 30, 32, 0, 0, 0, 0, 11, 14, 9,
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0, 14, 15, 32, 21, 0, 23, 10, 13, 0,
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0, 0, 0, 12, 25, 26, 32, 0, 0, 5,
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5, 5, 5, 5, 5, 5, 5, 11, 0, 20,
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6, 6, 6, 6, 6, 6, 6, 6, 13, 0,
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15, 18, 18, 15, 0, 0, 7, 7, 7, 7,
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7, 7, 7, 7, 14, 0, 0, 0, 4, 4,
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4, 4, 4, 4, 4, 4, 0, 16, 0, 2,
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2, 2, 2, 2, 2, 2, 2, 0, 0, 0,
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19, 19, 0, 0, 14, 3, 3, 3, 3, 3,
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3, 3, 3, 0, 0, 0, 15, 8, 8, 8,
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8, 8, 8, 8, 8, 16, 0, 0, 16, 0,
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0, 1, 0, 0, 0, 0, 0, 0, 0, 17,
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17, 0, 0, 0, 0, 0, 15, 0, 0, 0,
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0, 0, 0, 0, 9, 9, 9, 9, 9, 9,
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9, 9, 10, 10, 10, 10, 10, 10, 12, 12,
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12, 12, 12, 12, 0, 0, 0, 0, 0, 0,
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0, 16, 11, 11, 11, 11, 11, 11, 0, 0,
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||||
0, 0, 0, 13, 13, 13, 13, 13, 13, 31,
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18, 0, 0, 33, 29, 27, 0, 28, 0, 30,
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||||
0, 16, 0, 31, 18, 0, 0, 0, 29, 27,
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||||
0, 28, 21, 30, 23, 19, 20, 22, 24, 25,
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26, 32, 0, 0, 0, 0, 21, 0, 23, 14,
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||||
14, 14, 14, 0, 31, 18, 0, 0, 0, 29,
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||||
27, 0, 28, 31, 30, 0, 17, 0, 29, 27,
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||||
0, 28, 0, 30, 0, 0, 0, 21, 0, 23,
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||||
17, 0, 0, 0, 0, 0, 21, 0, 23, 0,
|
||||
0, 15, 15, 15, 15, 0, 16, 31, 18, 0,
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0, 0, 29, 27, 0, 28, 0, 30, 31, 18,
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16, 17, 0, 29, 27, 0, 28, 0, 30, 31,
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21, 0, 23, 0, 29, 27, 0, 28, 0, 30,
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||||
0, 21, 0, 23, 0, 0, 0, 0, 0, 0,
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0, 16, 21, 0, 23, 0, 0, 0, 0, 0,
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||||
0, 0, 0, 0, 17, 0, 16, 16, 0, 0,
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0, 0, 0, 0, 0, 17, 0, 0, 0, 0,
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||||
0, 0, 0, 9, 10, 11, 12, 13, 0, 0,
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||||
0, 0, 0, 0, 16, 34, 35, 36, 37, 38,
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39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
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49, 50, 51, 52, 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,
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||||
0, 14, 15, 19, 20, 22, 24, 25, 26, 32,
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||||
0, 0, 0, 0, 0, 14, 15, 19, 20, 22,
|
||||
24, 25, 26, 32, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
0, 0, 0, 0, 0, 0, 0, 15, 19, 20,
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22, 24, 25, 26, 32, 0, 0, 19, 20, 22,
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||||
24, 25, 26, 32, 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, 19, 20, 22, 24, 25, 26, 32, 0, 0,
|
||||
0, 0, 19, 20, 22, 24, 25, 26, 32, 0,
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0, 0, 0, 0, 0, 22, 24, 25, 26, 32,
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};
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const short yycheck[] =
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{ 267,
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0, 0, 37, -1, -1, -1, -1, 42, -1, -1,
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0, 0, 47, 37, -1, -1, -1, -1, 42, 43,
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-1, 45, 0, 47, -1, -1, 37, 0, -1, -1,
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-1, 42, 43, -1, 45, -1, 47, 37, 38, 0,
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-1, 41, 42, 43, -1, 45, -1, 47, 37, 38,
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0, 41, 41, 42, 43, -1, 45, -1, 47, -1,
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60, 0, 62, 41, 37, 38, 0, -1, 41, 42,
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43, 60, 45, 62, 47, -1, 37, 38, 0, -1,
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41, 42, 43, -1, 45, -1, 47, 60, 38, 62,
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-1, 41, -1, 43, 94, 45, -1, -1, -1, 60,
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0, 62, 41, -1, 38, 94, -1, 41, -1, 43,
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60, 45, 62, -1, -1, 0, 38, -1, -1, 41,
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-1, 94, -1, 0, 124, -1, 60, 33, 62, 0,
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-1, -1, -1, 94, 40, 124, -1, 43, 60, 45,
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62, 41, -1, 0, 94, -1, 124, -1, -1, -1,
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||||
-1, 124, -1, 38, 0, -1, 41, -1, -1, -1,
|
||||
94, 38, -1, 124, 41, -1, -1, 38, -1, -1,
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||||
41, -1, 94, -1, 124, 60, -1, 62, -1, -1,
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-1, 38, -1, 60, 41, 62, -1, -1, -1, 60,
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124, 62, 38, -1, 94, 41, -1, -1, -1, -1,
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||||
0, -1, 124, 60, -1, 62, -1, -1, -1, 94,
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||||
-1, -1, -1, -1, 60, -1, 62, 94, -1, -1,
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||||
126, 37, 38, 94, 124, -1, 42, 43, -1, 45,
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||||
-1, 47, 267, -1, -1, -1, -1, 94, 38, 124,
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||||
-1, 41, 0, 267, 60, -1, 62, 124, 94, -1,
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||||
-1, -1, -1, 124, 265, 266, 267, -1, -1, 259,
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||||
260, 261, 262, 263, 264, 265, 266, 124, -1, 259,
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||||
259, 260, 261, 262, 263, 264, 265, 266, 124, -1,
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||||
38, 259, 260, 41, -1, -1, 259, 260, 261, 262,
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||||
263, 264, 265, 266, 94, -1, -1, -1, 259, 260,
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||||
261, 262, 263, 264, 265, 266, -1, 0, -1, 259,
|
||||
260, 261, 262, 263, 264, 265, 266, -1, -1, -1,
|
||||
259, 260, -1, -1, 124, 259, 260, 261, 262, 263,
|
||||
264, 265, 266, -1, -1, -1, 94, 259, 260, 261,
|
||||
262, 263, 264, 265, 266, 38, -1, -1, 41, -1,
|
||||
-1, 257, -1, -1, -1, -1, -1, -1, -1, 259,
|
||||
260, -1, -1, -1, -1, -1, 124, -1, -1, -1,
|
||||
-1, -1, -1, -1, 259, 260, 261, 262, 263, 264,
|
||||
265, 266, 259, 260, 261, 262, 263, 264, 259, 260,
|
||||
261, 262, 263, 264, -1, -1, -1, -1, -1, -1,
|
||||
-1, 94, 259, 260, 261, 262, 263, 264, -1, -1,
|
||||
-1, -1, -1, 259, 260, 261, 262, 263, 264, 37,
|
||||
38, -1, -1, 41, 42, 43, -1, 45, -1, 47,
|
||||
-1, 124, -1, 37, 38, -1, -1, -1, 42, 43,
|
||||
-1, 45, 60, 47, 62, 261, 262, 263, 264, 265,
|
||||
266, 267, -1, -1, -1, -1, 60, -1, 62, 259,
|
||||
260, 261, 262, -1, 37, 38, -1, -1, -1, 42,
|
||||
43, -1, 45, 37, 47, -1, 94, -1, 42, 43,
|
||||
-1, 45, -1, 47, -1, -1, -1, 60, -1, 62,
|
||||
94, -1, -1, -1, -1, -1, 60, -1, 62, -1,
|
||||
-1, 259, 260, 261, 262, -1, 124, 37, 38, -1,
|
||||
-1, -1, 42, 43, -1, 45, -1, 47, 37, 38,
|
||||
124, 94, -1, 42, 43, -1, 45, -1, 47, 37,
|
||||
60, -1, 62, -1, 42, 43, -1, 45, -1, 47,
|
||||
-1, 60, -1, 62, -1, -1, -1, -1, -1, -1,
|
||||
-1, 124, 60, -1, 62, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, 94, -1, 259, 260, -1, -1,
|
||||
-1, -1, -1, -1, -1, 94, -1, -1, -1, -1,
|
||||
-1, -1, -1, 2, 3, 4, 5, 6, -1, -1,
|
||||
-1, -1, -1, -1, 124, 14, 15, 16, 17, 18,
|
||||
19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
|
||||
29, 30, 31, 32, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, 259, 260, 261, 262, 263, 264, 265, 266, 267,
|
||||
-1, -1, -1, -1, -1, 259, 260, 261, 262, 263,
|
||||
264, 265, 266, 267, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, 260, 261, 262,
|
||||
263, 264, 265, 266, 267, -1, -1, 261, 262, 263,
|
||||
264, 265, 266, 267, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
||||
-1, 261, 262, 263, 264, 265, 266, 267, -1, -1,
|
||||
-1, -1, 261, 262, 263, 264, 265, 266, 267, -1,
|
||||
-1, -1, -1, -1, -1, 263, 264, 265, 266, 267,
|
||||
};
|
||||
#define YYFINAL 7
|
||||
#ifndef YYDEBUG
|
||||
#define YYDEBUG 0
|
||||
#endif
|
||||
#define YYMAXTOKEN 269
|
||||
#if YYDEBUG
|
||||
const char * const 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,"NUMBER","ERROR","LOR","LAND","EQ","NE","LE","GE",
|
||||
"LSHIFT","RSHIFT","EXPONENT","UMINUS","UPLUS",
|
||||
};
|
||||
const char * const yyrule[] =
|
||||
{"$accept : top",
|
||||
"top : expr",
|
||||
"expr : expr '+' expr",
|
||||
"expr : expr '-' expr",
|
||||
"expr : expr EXPONENT expr",
|
||||
"expr : expr '*' expr",
|
||||
"expr : expr '/' expr",
|
||||
"expr : expr '%' expr",
|
||||
"expr : expr LSHIFT expr",
|
||||
"expr : expr RSHIFT expr",
|
||||
"expr : expr '<' expr",
|
||||
"expr : expr '>' expr",
|
||||
"expr : expr LE expr",
|
||||
"expr : expr GE expr",
|
||||
"expr : expr EQ expr",
|
||||
"expr : expr NE expr",
|
||||
"expr : expr '&' expr",
|
||||
"expr : expr '^' expr",
|
||||
"expr : expr '|' expr",
|
||||
"expr : expr LAND expr",
|
||||
"expr : expr LOR expr",
|
||||
"expr : '(' expr ')'",
|
||||
"expr : '-' expr",
|
||||
"expr : '+' expr",
|
||||
"expr : '!' expr",
|
||||
"expr : '~' expr",
|
||||
"expr : NUMBER",
|
||||
};
|
||||
#endif
|
||||
#ifndef YYSTYPE
|
||||
typedef int YYSTYPE;
|
||||
#endif
|
||||
#ifdef YYSTACKSIZE
|
||||
#undef YYMAXDEPTH
|
||||
#define YYMAXDEPTH YYSTACKSIZE
|
||||
#else
|
||||
#ifdef YYMAXDEPTH
|
||||
#define YYSTACKSIZE YYMAXDEPTH
|
||||
#else
|
||||
#define YYSTACKSIZE 10000
|
||||
#define YYMAXDEPTH 10000
|
||||
#endif
|
||||
#endif
|
||||
#define YYINITSTACKSIZE 200
|
||||
/* LINTUSED */
|
||||
int yydebug;
|
||||
int yynerrs;
|
||||
int yyerrflag;
|
||||
int yychar;
|
||||
short *yyssp;
|
||||
YYSTYPE *yyvsp;
|
||||
YYSTYPE yyval;
|
||||
YYSTYPE yylval;
|
||||
short *yyss;
|
||||
short *yysslim;
|
||||
YYSTYPE *yyvs;
|
||||
unsigned int yystacksize;
|
||||
int yyparse(void);
|
||||
/* #line 83 "parser.y" */
|
||||
|
||||
/* #line 326 "parser.c" */
|
||||
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
|
||||
static int yygrowstack(void)
|
||||
{
|
||||
unsigned int newsize;
|
||||
long sslen;
|
||||
short *newss;
|
||||
YYSTYPE *newvs;
|
||||
|
||||
if ((newsize = yystacksize) == 0)
|
||||
newsize = YYINITSTACKSIZE;
|
||||
else if (newsize >= YYMAXDEPTH)
|
||||
return -1;
|
||||
else if ((newsize *= 2) > YYMAXDEPTH)
|
||||
newsize = YYMAXDEPTH;
|
||||
sslen = yyssp - yyss;
|
||||
#ifdef SIZE_MAX
|
||||
#define YY_SIZE_MAX SIZE_MAX
|
||||
#else
|
||||
#define YY_SIZE_MAX 0xffffffffU
|
||||
#endif
|
||||
if (newsize && YY_SIZE_MAX / newsize < sizeof *newss)
|
||||
goto bail;
|
||||
newss = yyss ? (short *)realloc(yyss, newsize * sizeof *newss) :
|
||||
(short *)malloc(newsize * sizeof *newss); /* overflow check above */
|
||||
if (newss == NULL)
|
||||
goto bail;
|
||||
yyss = newss;
|
||||
yyssp = newss + sslen;
|
||||
if (newsize && YY_SIZE_MAX / newsize < sizeof *newvs)
|
||||
goto bail;
|
||||
newvs = yyvs ? (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs) :
|
||||
(YYSTYPE *)malloc(newsize * sizeof *newvs); /* overflow check above */
|
||||
if (newvs == NULL)
|
||||
goto bail;
|
||||
yyvs = newvs;
|
||||
yyvsp = newvs + sslen;
|
||||
yystacksize = newsize;
|
||||
yysslim = yyss + newsize - 1;
|
||||
return 0;
|
||||
bail:
|
||||
if (yyss)
|
||||
free(yyss);
|
||||
if (yyvs)
|
||||
free(yyvs);
|
||||
yyss = yyssp = NULL;
|
||||
yyvs = yyvsp = NULL;
|
||||
yystacksize = 0;
|
||||
return -1;
|
||||
}
|
||||
|
||||
#define YYABORT goto yyabort
|
||||
#define YYREJECT goto yyabort
|
||||
#define YYACCEPT goto yyaccept
|
||||
#define YYERROR goto yyerrlab
|
||||
int
|
||||
yyparse(void)
|
||||
{
|
||||
int yym, yyn, yystate;
|
||||
#if YYDEBUG
|
||||
const char *yys;
|
||||
|
||||
if ((yys = getenv("YYDEBUG")))
|
||||
{
|
||||
yyn = *yys;
|
||||
if (yyn >= '0' && yyn <= '9')
|
||||
yydebug = yyn - '0';
|
||||
}
|
||||
#endif /* YYDEBUG */
|
||||
|
||||
yynerrs = 0;
|
||||
yyerrflag = 0;
|
||||
yychar = (-1);
|
||||
|
||||
if (yyss == NULL && yygrowstack()) goto yyoverflow;
|
||||
yyssp = yyss;
|
||||
yyvsp = yyvs;
|
||||
*yyssp = yystate = 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;
|
||||
}
|
||||
*++yyssp = yystate = yytable[yyn];
|
||||
*++yyvsp = yylval;
|
||||
yychar = (-1);
|
||||
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;
|
||||
#if defined(__GNUC__)
|
||||
goto yynewerror;
|
||||
#endif
|
||||
yynewerror:
|
||||
yyerror("syntax error");
|
||||
#if defined(__GNUC__)
|
||||
goto yyerrlab;
|
||||
#endif
|
||||
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;
|
||||
}
|
||||
*++yyssp = yystate = 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 = (-1);
|
||||
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:
|
||||
/* #line 42 "parser.y" */
|
||||
{ end_result = yyvsp[0]; }
|
||||
break;
|
||||
case 2:
|
||||
/* #line 44 "parser.y" */
|
||||
{ yyval = yyvsp[-2] + yyvsp[0]; }
|
||||
break;
|
||||
case 3:
|
||||
/* #line 45 "parser.y" */
|
||||
{ yyval = yyvsp[-2] - yyvsp[0]; }
|
||||
break;
|
||||
case 4:
|
||||
/* #line 46 "parser.y" */
|
||||
{ yyval = pow(yyvsp[-2], yyvsp[0]); }
|
||||
break;
|
||||
case 5:
|
||||
/* #line 47 "parser.y" */
|
||||
{ yyval = yyvsp[-2] * yyvsp[0]; }
|
||||
break;
|
||||
case 6:
|
||||
/* #line 48 "parser.y" */
|
||||
{
|
||||
if (yyvsp[0] == 0) {
|
||||
yyerror("division by zero");
|
||||
exit(1);
|
||||
}
|
||||
yyval = yyvsp[-2] / yyvsp[0];
|
||||
}
|
||||
break;
|
||||
case 7:
|
||||
/* #line 55 "parser.y" */
|
||||
{
|
||||
if (yyvsp[0] == 0) {
|
||||
yyerror("modulo zero");
|
||||
exit(1);
|
||||
}
|
||||
yyval = yyvsp[-2] % yyvsp[0];
|
||||
}
|
||||
break;
|
||||
case 8:
|
||||
/* #line 62 "parser.y" */
|
||||
{ yyval = yyvsp[-2] << yyvsp[0]; }
|
||||
break;
|
||||
case 9:
|
||||
/* #line 63 "parser.y" */
|
||||
{ yyval = yyvsp[-2] >> yyvsp[0]; }
|
||||
break;
|
||||
case 10:
|
||||
/* #line 64 "parser.y" */
|
||||
{ yyval = yyvsp[-2] < yyvsp[0]; }
|
||||
break;
|
||||
case 11:
|
||||
/* #line 65 "parser.y" */
|
||||
{ yyval = yyvsp[-2] > yyvsp[0]; }
|
||||
break;
|
||||
case 12:
|
||||
/* #line 66 "parser.y" */
|
||||
{ yyval = yyvsp[-2] <= yyvsp[0]; }
|
||||
break;
|
||||
case 13:
|
||||
/* #line 67 "parser.y" */
|
||||
{ yyval = yyvsp[-2] >= yyvsp[0]; }
|
||||
break;
|
||||
case 14:
|
||||
/* #line 68 "parser.y" */
|
||||
{ yyval = yyvsp[-2] == yyvsp[0]; }
|
||||
break;
|
||||
case 15:
|
||||
/* #line 69 "parser.y" */
|
||||
{ yyval = yyvsp[-2] != yyvsp[0]; }
|
||||
break;
|
||||
case 16:
|
||||
/* #line 70 "parser.y" */
|
||||
{ yyval = yyvsp[-2] & yyvsp[0]; }
|
||||
break;
|
||||
case 17:
|
||||
/* #line 71 "parser.y" */
|
||||
{ yyval = yyvsp[-2] ^ yyvsp[0]; }
|
||||
break;
|
||||
case 18:
|
||||
/* #line 72 "parser.y" */
|
||||
{ yyval = yyvsp[-2] | yyvsp[0]; }
|
||||
break;
|
||||
case 19:
|
||||
/* #line 73 "parser.y" */
|
||||
{ yyval = yyvsp[-2] && yyvsp[0]; }
|
||||
break;
|
||||
case 20:
|
||||
/* #line 74 "parser.y" */
|
||||
{ yyval = yyvsp[-2] || yyvsp[0]; }
|
||||
break;
|
||||
case 21:
|
||||
/* #line 75 "parser.y" */
|
||||
{ yyval = yyvsp[-1]; }
|
||||
break;
|
||||
case 22:
|
||||
/* #line 76 "parser.y" */
|
||||
{ yyval = -yyvsp[0]; }
|
||||
break;
|
||||
case 23:
|
||||
/* #line 77 "parser.y" */
|
||||
{ yyval = yyvsp[0]; }
|
||||
break;
|
||||
case 24:
|
||||
/* #line 78 "parser.y" */
|
||||
{ yyval = !yyvsp[0]; }
|
||||
break;
|
||||
case 25:
|
||||
/* #line 79 "parser.y" */
|
||||
{ yyval = ~yyvsp[0]; }
|
||||
break;
|
||||
/* #line 632 "parser.c" */
|
||||
}
|
||||
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 = yystate;
|
||||
*++yyvsp = yyval;
|
||||
goto yyloop;
|
||||
yyoverflow:
|
||||
yyerror("yacc stack overflow");
|
||||
yyabort:
|
||||
if (yyss)
|
||||
free(yyss);
|
||||
if (yyvs)
|
||||
free(yyvs);
|
||||
yyss = yyssp = NULL;
|
||||
yyvs = yyvsp = NULL;
|
||||
yystacksize = 0;
|
||||
return (1);
|
||||
yyaccept:
|
||||
if (yyss)
|
||||
free(yyss);
|
||||
if (yyvs)
|
||||
free(yyvs);
|
||||
yyss = yyssp = NULL;
|
||||
yyvs = yyvsp = NULL;
|
||||
yystacksize = 0;
|
||||
return (0);
|
||||
}
|
||||
Reference in New Issue
Block a user