1374 lines
43 KiB
C
1374 lines
43 KiB
C
#ifndef lint
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static char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93";
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#endif
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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 yyclearin (yychar=(-1))
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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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#line 2 "bc.y"
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/* bc.y: The grammar for a POSIX compatable bc processor with some
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extensions to the language. */
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/* This file is part of bc written for MINIX.
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Copyright (C) 1991, 1992 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License , or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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You may contact the author by:
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e-mail: phil@cs.wwu.edu
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us-mail: Philip A. Nelson
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Computer Science Department, 9062
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Western Washington University
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Bellingham, WA 98226-9062
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*************************************************************************/
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#include "bcdefs.h"
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#include "global.h"
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#include "proto.h"
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#line 38 "bc.y"
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typedef union {
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char *s_value;
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char c_value;
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int i_value;
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arg_list *a_value;
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} YYSTYPE;
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#line 52 "y.tab.c"
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#define NEWLINE 257
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#define AND 258
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#define OR 259
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#define NOT 260
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#define STRING 261
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#define NAME 262
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#define NUMBER 263
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#define MUL_OP 264
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#define ASSIGN_OP 265
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#define REL_OP 266
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#define INCR_DECR 267
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#define Define 268
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#define Break 269
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#define Quit 270
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#define Length 271
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#define Return 272
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#define For 273
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#define If 274
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#define While 275
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#define Sqrt 276
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#define Else 277
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#define Scale 278
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#define Ibase 279
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#define Obase 280
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#define Auto 281
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#define Read 282
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#define Warranty 283
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#define Halt 284
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#define Last 285
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#define Continue 286
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#define Print 287
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#define Limits 288
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#define UNARY_MINUS 289
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#define YYERRCODE 256
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short yylhs[] = { -1,
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0, 0, 10, 10, 10, 11, 11, 11, 11, 12,
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12, 12, 12, 12, 12, 15, 15, 13, 13, 13,
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13, 13, 13, 13, 13, 13, 13, 16, 17, 18,
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19, 13, 20, 13, 22, 23, 13, 13, 25, 13,
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24, 24, 26, 26, 21, 27, 21, 28, 14, 5,
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5, 6, 6, 6, 7, 7, 7, 7, 8, 8,
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9, 9, 9, 9, 4, 4, 2, 2, 29, 1,
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30, 1, 31, 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, 3, 3, 3, 3, 3, 3,
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};
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short yylen[] = { 2,
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0, 2, 2, 1, 2, 0, 1, 3, 2, 0,
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1, 2, 3, 2, 3, 1, 2, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 4, 0, 0, 0,
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0, 13, 0, 7, 0, 0, 7, 3, 0, 3,
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1, 3, 1, 1, 0, 0, 3, 0, 12, 0,
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1, 0, 3, 3, 1, 3, 3, 5, 0, 1,
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1, 3, 3, 5, 0, 1, 0, 1, 0, 4,
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0, 4, 0, 4, 2, 3, 3, 3, 3, 3,
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2, 1, 1, 3, 4, 2, 2, 4, 4, 4,
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3, 1, 4, 1, 1, 1, 1,
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};
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short yydefred[] = { 1,
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0, 0, 0, 21, 0, 83, 0, 0, 22, 24,
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0, 0, 28, 0, 35, 0, 0, 94, 95, 0,
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18, 25, 97, 23, 39, 19, 0, 0, 0, 0,
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0, 2, 0, 16, 4, 7, 5, 17, 0, 0,
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0, 0, 96, 86, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 81, 0, 0, 0, 11, 71,
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73, 0, 0, 0, 0, 0, 69, 87, 3, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 91, 43, 0, 40, 0, 84,
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0, 0, 38, 0, 0, 0, 0, 0, 0, 0,
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0, 8, 0, 85, 0, 93, 0, 0, 0, 88,
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27, 0, 0, 33, 0, 89, 90, 0, 13, 15,
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0, 0, 0, 62, 0, 0, 0, 0, 0, 29,
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0, 0, 42, 0, 56, 0, 0, 0, 0, 0,
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64, 0, 0, 0, 46, 34, 37, 0, 48, 58,
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30, 0, 0, 0, 0, 47, 53, 54, 0, 0,
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0, 31, 49, 0, 32,
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};
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short yydgoto[] = { 1,
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30, 79, 31, 113, 108, 149, 109, 73, 74, 32,
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33, 58, 34, 35, 59, 48, 138, 155, 164, 131,
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146, 50, 132, 88, 54, 89, 152, 154, 101, 94,
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95,
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};
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short yysindex[] = { 0,
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-7, 58, 212, 0, -22, 0, -233, -241, 0, 0,
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-8, -5, 0, -4, 0, 2, 4, 0, 0, 9,
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0, 0, 0, 0, 0, 0, 212, 212, 91, 725,
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-240, 0, -29, 0, 0, 0, 0, 0, 84, 245,
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212, -57, 0, 0, 10, 212, 212, 14, 212, 16,
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212, 212, 23, 156, 0, 549, 127, -52, 0, 0,
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0, 212, 212, 212, 212, 212, 0, 0, 0, 91,
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-17, 725, 24, -3, 578, -205, 562, 725, 27, 212,
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606, 212, 669, 716, 0, 0, 725, 0, 19, 0,
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91, 127, 0, 212, 212, -36, -39, -91, -91, -36,
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212, 0, 166, 0, 277, 0, -21, 36, 40, 0,
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0, 725, 28, 0, 725, 0, 0, 156, 0, 0,
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84, 540, -39, 0, -9, 725, -2, -37, -174, 0,
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127, 48, 0, 346, 0, -167, 3, 212, -185, 127,
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0, -188, 6, 37, 0, 0, 0, -205, 0, 0,
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0, 127, -42, 91, 212, 0, 0, 0, -20, 54,
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26, 0, 0, 127, 0,
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};
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short yyrindex[] = { 0,
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-16, 0, 0, 0, 409, 0, 0, 0, 0, 0,
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0, -58, 0, 0, 0, 0, 426, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, -50, 46,
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470, 0, 0, 0, 0, 0, 0, 0, 661, 56,
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0, 525, 0, 0, 0, 0, 59, 0, 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, -6,
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705, 7, 0, 60, 0, 61, 0, 63, 0, 49,
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0, 0, 0, 0, 0, 0, 17, 0, 78, 0,
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-47, -45, 0, 0, 0, 537, 440, 620, 637, 594,
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0, 0, 0, 0, 0, 0, -33, 0, 66, 0,
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0, -19, 0, 0, 68, 0, 0, 0, 0, 0,
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667, 680, 508, 0, 705, 18, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, -31, 49, -44, 0,
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0, -40, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 69, 0, 0, 0, 0, 0,
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13, 0, 0, 0, 0,
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};
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short yygindex[] = { 0,
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958, 0, 104, -118, 0, 0, -35, 0, 0, 0,
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0, -34, 22, 0, 15, 0, 0, 0, 0, 0,
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0, 0, 0, -1, 0, 0, 0, 0, 0, 0,
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0,
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};
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#define YYTABLESIZE 1113
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short yytable[] = { 52,
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26, 129, 66, 64, 52, 65, 92, 55, 10, 57,
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55, 12, 57, 14, 45, 36, 158, 40, 52, 144,
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45, 66, 40, 38, 67, 55, 68, 57, 42, 70,
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40, 46, 28, 41, 47, 49, 160, 27, 92, 66,
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105, 51, 6, 52, 43, 18, 19, 61, 53, 76,
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61, 23, 9, 80, 66, 82, 107, 66, 63, 10,
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44, 63, 118, 85, 104, 28, 26, 111, 41, 127,
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27, 12, 93, 103, 10, 44, 128, 12, 38, 14,
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45, 134, 52, 129, 102, 136, 130, 137, 140, 142,
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135, 145, 148, 143, 162, 151, 59, 28, 150, 67,
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60, 50, 27, 68, 20, 119, 51, 65, 36, 65,
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44, 0, 153, 120, 0, 29, 133, 0, 0, 159,
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0, 0, 0, 0, 0, 0, 64, 0, 65, 0,
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28, 0, 0, 0, 0, 27, 41, 0, 0, 0,
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0, 44, 0, 0, 0, 0, 0, 0, 29, 0,
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163, 0, 139, 0, 0, 0, 0, 0, 0, 0,
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0, 147, 0, 0, 0, 0, 28, 0, 0, 0,
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20, 27, 62, 156, 0, 119, 0, 66, 0, 0,
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29, 0, 0, 0, 0, 165, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 28, 0, 0, 26, 0,
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27, 0, 41, 0, 91, 28, 10, 0, 0, 12,
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27, 14, 45, 29, 157, 52, 52, 0, 26, 52,
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52, 52, 52, 55, 62, 57, 52, 69, 52, 52,
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52, 52, 52, 52, 52, 52, 161, 52, 52, 52,
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6, 52, 52, 52, 52, 52, 52, 52, 2, 29,
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9, 28, 3, 4, 5, 6, 27, 10, 124, 7,
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8, 9, 10, 11, 12, 13, 14, 15, 16, 12,
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17, 18, 19, 44, 20, 21, 22, 23, 24, 25,
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26, 57, 0, 0, 28, 3, 4, 5, 6, 27,
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0, 0, 7, 44, 9, 10, 11, 12, 13, 14,
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15, 16, 20, 17, 18, 19, 0, 20, 21, 22,
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23, 24, 25, 26, 37, 0, 28, 3, 4, 5,
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6, 27, 20, 0, 7, 0, 9, 10, 11, 12,
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13, 14, 15, 16, 41, 17, 18, 19, 0, 20,
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21, 22, 23, 24, 25, 26, 57, 62, 0, 63,
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3, 4, 5, 6, 41, 0, 0, 7, 0, 9,
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10, 11, 12, 13, 14, 15, 16, 0, 17, 18,
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19, 0, 20, 21, 22, 23, 24, 25, 26, 0,
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0, 0, 0, 0, 0, 28, 3, 4, 5, 6,
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27, 0, 0, 7, 0, 9, 10, 11, 12, 13,
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14, 15, 16, 0, 17, 18, 19, 0, 20, 21,
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22, 23, 24, 25, 26, 3, 86, 5, 6, 0,
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0, 0, 7, 0, 0, 3, 11, 5, 6, 0,
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0, 16, 7, 17, 18, 19, 11, 20, 141, 0,
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23, 16, 0, 17, 18, 19, 0, 20, 0, 92,
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23, 92, 92, 92, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 96, 92, 96, 96,
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96, 3, 0, 5, 6, 0, 0, 0, 7, 0,
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76, 0, 11, 76, 96, 0, 0, 16, 0, 17,
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18, 19, 0, 20, 0, 0, 23, 0, 76, 0,
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0, 92, 92, 0, 3, 0, 71, 6, 0, 0,
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82, 7, 82, 82, 82, 11, 0, 0, 96, 96,
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16, 0, 17, 18, 19, 0, 20, 0, 82, 23,
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0, 0, 76, 92, 0, 0, 3, 0, 125, 6,
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0, 0, 0, 7, 0, 0, 0, 11, 70, 0,
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96, 70, 16, 0, 17, 18, 19, 0, 20, 0,
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0, 23, 82, 82, 76, 92, 70, 92, 92, 92,
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0, 0, 0, 0, 0, 0, 0, 79, 0, 79,
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79, 79, 64, 92, 65, 0, 0, 0, 0, 90,
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0, 64, 0, 65, 82, 79, 0, 0, 0, 0,
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70, 0, 110, 0, 64, 3, 65, 5, 6, 0,
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0, 0, 7, 0, 0, 0, 11, 92, 92, 0,
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64, 16, 65, 17, 18, 19, 0, 20, 0, 79,
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23, 0, 70, 66, 80, 0, 80, 80, 80, 0,
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0, 0, 66, 0, 0, 0, 114, 0, 64, 92,
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65, 0, 80, 0, 0, 66, 0, 0, 0, 0,
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77, 79, 77, 77, 77, 92, 92, 92, 0, 0,
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106, 66, 92, 92, 92, 92, 0, 78, 77, 78,
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78, 78, 96, 96, 96, 92, 80, 0, 0, 96,
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96, 96, 96, 0, 0, 78, 76, 76, 76, 66,
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0, 75, 96, 0, 75, 76, 0, 72, 0, 116,
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72, 64, 77, 65, 0, 0, 76, 0, 80, 75,
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74, 0, 0, 74, 0, 72, 82, 82, 82, 78,
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0, 0, 0, 82, 0, 82, 0, 0, 74, 0,
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0, 0, 0, 0, 77, 92, 82, 92, 92, 92,
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0, 0, 0, 75, 0, 0, 117, 0, 64, 72,
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65, 78, 66, 0, 70, 70, 70, 64, 0, 65,
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0, 0, 74, 70, 0, 0, 0, 0, 0, 0,
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0, 92, 92, 92, 70, 75, 0, 0, 92, 0,
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92, 72, 0, 79, 79, 79, 0, 60, 92, 0,
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79, 92, 79, 62, 74, 63, 60, 61, 0, 66,
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0, 0, 62, 79, 63, 0, 0, 0, 66, 60,
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61, 0, 0, 0, 0, 62, 0, 63, 0, 0,
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0, 0, 0, 0, 0, 60, 61, 0, 0, 0,
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0, 62, 0, 63, 0, 0, 0, 0, 0, 0,
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80, 80, 80, 0, 0, 0, 0, 80, 0, 80,
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0, 0, 0, 60, 61, 0, 0, 0, 0, 62,
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80, 63, 0, 0, 0, 0, 77, 77, 77, 0,
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0, 0, 0, 0, 0, 77, 0, 0, 0, 0,
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0, 0, 0, 78, 78, 78, 77, 0, 0, 0,
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0, 0, 78, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 78, 0, 0, 0, 75, 75, 75,
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0, 0, 0, 72, 72, 72, 60, 61, 0, 0,
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0, 0, 62, 0, 63, 0, 74, 75, 74, 0,
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0, 0, 0, 72, 0, 0, 0, 0, 0, 0,
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|
0, 0, 0, 0, 0, 0, 74, 0, 0, 0,
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39, 0, 92, 92, 0, 0, 0, 0, 92, 92,
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92, 92, 0, 60, 61, 0, 0, 0, 0, 62,
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0, 63, 60, 61, 55, 56, 0, 0, 62, 0,
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63, 0, 0, 0, 0, 0, 0, 72, 75, 0,
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0, 0, 0, 77, 78, 0, 81, 0, 83, 84,
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|
0, 87, 0, 0, 0, 0, 0, 0, 0, 96,
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97, 98, 99, 100, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 112, 0, 115,
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|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 121, 122, 0, 0, 0, 0, 0, 123, 0,
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|
75, 0, 126, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 87, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 75, 0, 0, 0, 112, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 112,
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|
};
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short yycheck[] = { 40,
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59, 44, 94, 43, 45, 45, 59, 41, 59, 41,
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44, 59, 44, 59, 59, 1, 59, 40, 59, 138,
|
|
262, 41, 40, 2, 265, 59, 267, 59, 262, 59,
|
|
40, 40, 40, 91, 40, 40, 155, 45, 59, 59,
|
|
44, 40, 59, 40, 278, 279, 280, 41, 40, 40,
|
|
44, 285, 59, 40, 94, 40, 262, 94, 41, 59,
|
|
44, 44, 44, 41, 41, 40, 125, 41, 91, 91,
|
|
45, 59, 125, 91, 125, 59, 41, 125, 57, 125,
|
|
125, 91, 123, 44, 70, 123, 59, 262, 41, 257,
|
|
93, 277, 281, 91, 41, 59, 41, 40, 93, 41,
|
|
41, 41, 45, 41, 59, 91, 41, 59, 41, 41,
|
|
7, -1, 148, 92, -1, 123, 118, -1, -1, 154,
|
|
-1, -1, -1, -1, -1, -1, 43, -1, 45, -1,
|
|
40, -1, -1, -1, -1, 45, 59, -1, -1, -1,
|
|
-1, 125, -1, -1, -1, -1, -1, -1, 123, -1,
|
|
125, -1, 131, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, 140, -1, -1, -1, -1, 40, -1, -1, -1,
|
|
125, 45, 264, 152, -1, 161, -1, 94, -1, -1,
|
|
123, -1, -1, -1, -1, 164, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, 40, -1, -1, 257, -1,
|
|
45, -1, 125, -1, 257, 40, 257, -1, -1, 257,
|
|
45, 257, 257, 123, 257, 256, 257, -1, 277, 260,
|
|
261, 262, 263, 257, 264, 257, 267, 257, 269, 270,
|
|
271, 272, 273, 274, 275, 276, 257, 278, 279, 280,
|
|
257, 282, 283, 284, 285, 286, 287, 288, 256, 123,
|
|
257, 40, 260, 261, 262, 263, 45, 257, 93, 267,
|
|
268, 269, 270, 271, 272, 273, 274, 275, 276, 257,
|
|
278, 279, 280, 257, 282, 283, 284, 285, 286, 287,
|
|
288, 256, -1, -1, 40, 260, 261, 262, 263, 45,
|
|
-1, -1, 267, 277, 269, 270, 271, 272, 273, 274,
|
|
275, 276, 257, 278, 279, 280, -1, 282, 283, 284,
|
|
285, 286, 287, 288, 257, -1, 40, 260, 261, 262,
|
|
263, 45, 277, -1, 267, -1, 269, 270, 271, 272,
|
|
273, 274, 275, 276, 257, 278, 279, 280, -1, 282,
|
|
283, 284, 285, 286, 287, 288, 256, 264, -1, 266,
|
|
260, 261, 262, 263, 277, -1, -1, 267, -1, 269,
|
|
270, 271, 272, 273, 274, 275, 276, -1, 278, 279,
|
|
280, -1, 282, 283, 284, 285, 286, 287, 288, -1,
|
|
-1, -1, -1, -1, -1, 40, 260, 261, 262, 263,
|
|
45, -1, -1, 267, -1, 269, 270, 271, 272, 273,
|
|
274, 275, 276, -1, 278, 279, 280, -1, 282, 283,
|
|
284, 285, 286, 287, 288, 260, 261, 262, 263, -1,
|
|
-1, -1, 267, -1, -1, 260, 271, 262, 263, -1,
|
|
-1, 276, 267, 278, 279, 280, 271, 282, 93, -1,
|
|
285, 276, -1, 278, 279, 280, -1, 282, -1, 41,
|
|
285, 43, 44, 45, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, 41, 59, 43, 44,
|
|
45, 260, -1, 262, 263, -1, -1, -1, 267, -1,
|
|
41, -1, 271, 44, 59, -1, -1, 276, -1, 278,
|
|
279, 280, -1, 282, -1, -1, 285, -1, 59, -1,
|
|
-1, 93, 94, -1, 260, -1, 262, 263, -1, -1,
|
|
41, 267, 43, 44, 45, 271, -1, -1, 93, 94,
|
|
276, -1, 278, 279, 280, -1, 282, -1, 59, 285,
|
|
-1, -1, 93, 125, -1, -1, 260, -1, 262, 263,
|
|
-1, -1, -1, 267, -1, -1, -1, 271, 41, -1,
|
|
125, 44, 276, -1, 278, 279, 280, -1, 282, -1,
|
|
-1, 285, 93, 94, 125, 41, 59, 43, 44, 45,
|
|
-1, -1, -1, -1, -1, -1, -1, 41, -1, 43,
|
|
44, 45, 43, 59, 45, -1, -1, -1, -1, 41,
|
|
-1, 43, -1, 45, 125, 59, -1, -1, -1, -1,
|
|
93, -1, 41, -1, 43, 260, 45, 262, 263, -1,
|
|
-1, -1, 267, -1, -1, -1, 271, 93, 94, -1,
|
|
43, 276, 45, 278, 279, 280, -1, 282, -1, 93,
|
|
285, -1, 125, 94, 41, -1, 43, 44, 45, -1,
|
|
-1, -1, 94, -1, -1, -1, 41, -1, 43, 125,
|
|
45, -1, 59, -1, -1, 94, -1, -1, -1, -1,
|
|
41, 125, 43, 44, 45, 257, 258, 259, -1, -1,
|
|
93, 94, 264, 265, 266, 267, -1, 41, 59, 43,
|
|
44, 45, 257, 258, 259, 277, 93, -1, -1, 264,
|
|
265, 266, 267, -1, -1, 59, 257, 258, 259, 94,
|
|
-1, 41, 277, -1, 44, 266, -1, 41, -1, 41,
|
|
44, 43, 93, 45, -1, -1, 277, -1, 125, 59,
|
|
41, -1, -1, 44, -1, 59, 257, 258, 259, 93,
|
|
-1, -1, -1, 264, -1, 266, -1, -1, 59, -1,
|
|
-1, -1, -1, -1, 125, 41, 277, 43, 44, 45,
|
|
-1, -1, -1, 93, -1, -1, 41, -1, 43, 93,
|
|
45, 125, 94, -1, 257, 258, 259, 43, -1, 45,
|
|
-1, -1, 93, 266, -1, -1, -1, -1, -1, -1,
|
|
-1, 257, 258, 259, 277, 125, -1, -1, 264, -1,
|
|
266, 125, -1, 257, 258, 259, -1, 258, 94, -1,
|
|
264, 277, 266, 264, 125, 266, 258, 259, -1, 94,
|
|
-1, -1, 264, 277, 266, -1, -1, -1, 94, 258,
|
|
259, -1, -1, -1, -1, 264, -1, 266, -1, -1,
|
|
-1, -1, -1, -1, -1, 258, 259, -1, -1, -1,
|
|
-1, 264, -1, 266, -1, -1, -1, -1, -1, -1,
|
|
257, 258, 259, -1, -1, -1, -1, 264, -1, 266,
|
|
-1, -1, -1, 258, 259, -1, -1, -1, -1, 264,
|
|
277, 266, -1, -1, -1, -1, 257, 258, 259, -1,
|
|
-1, -1, -1, -1, -1, 266, -1, -1, -1, -1,
|
|
-1, -1, -1, 257, 258, 259, 277, -1, -1, -1,
|
|
-1, -1, 266, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, 277, -1, -1, -1, 257, 258, 259,
|
|
-1, -1, -1, 257, 258, 259, 258, 259, -1, -1,
|
|
-1, -1, 264, -1, 266, -1, 257, 277, 259, -1,
|
|
-1, -1, -1, 277, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, 277, -1, -1, -1,
|
|
3, -1, 258, 259, -1, -1, -1, -1, 264, 265,
|
|
266, 267, -1, 258, 259, -1, -1, -1, -1, 264,
|
|
-1, 266, 258, 259, 27, 28, -1, -1, 264, -1,
|
|
266, -1, -1, -1, -1, -1, -1, 40, 41, -1,
|
|
-1, -1, -1, 46, 47, -1, 49, -1, 51, 52,
|
|
-1, 54, -1, -1, -1, -1, -1, -1, -1, 62,
|
|
63, 64, 65, 66, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, 80, -1, 82,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, 94, 95, -1, -1, -1, -1, -1, 101, -1,
|
|
103, -1, 105, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, 118, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, 134, -1, -1, -1, 138, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, 155,
|
|
};
|
|
#define YYFINAL 1
|
|
#ifndef YYDEBUG
|
|
#define YYDEBUG 0
|
|
#endif
|
|
#define YYMAXTOKEN 289
|
|
#if YYDEBUG
|
|
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,"NEWLINE","AND","OR","NOT","STRING","NAME","NUMBER","MUL_OP",
|
|
"ASSIGN_OP","REL_OP","INCR_DECR","Define","Break","Quit","Length","Return",
|
|
"For","If","While","Sqrt","Else","Scale","Ibase","Obase","Auto","Read",
|
|
"Warranty","Halt","Last","Continue","Print","Limits","UNARY_MINUS",
|
|
};
|
|
char *yyrule[] = {
|
|
"$accept : program",
|
|
"program :",
|
|
"program : program input_item",
|
|
"input_item : semicolon_list NEWLINE",
|
|
"input_item : function",
|
|
"input_item : error NEWLINE",
|
|
"semicolon_list :",
|
|
"semicolon_list : statement_or_error",
|
|
"semicolon_list : semicolon_list ';' statement_or_error",
|
|
"semicolon_list : semicolon_list ';'",
|
|
"statement_list :",
|
|
"statement_list : statement_or_error",
|
|
"statement_list : statement_list NEWLINE",
|
|
"statement_list : statement_list NEWLINE statement_or_error",
|
|
"statement_list : statement_list ';'",
|
|
"statement_list : statement_list ';' statement",
|
|
"statement_or_error : statement",
|
|
"statement_or_error : error statement",
|
|
"statement : Warranty",
|
|
"statement : Limits",
|
|
"statement : expression",
|
|
"statement : STRING",
|
|
"statement : Break",
|
|
"statement : Continue",
|
|
"statement : Quit",
|
|
"statement : Halt",
|
|
"statement : Return",
|
|
"statement : Return '(' return_expression ')'",
|
|
"$$1 :",
|
|
"$$2 :",
|
|
"$$3 :",
|
|
"$$4 :",
|
|
"statement : For $$1 '(' opt_expression ';' $$2 opt_expression ';' $$3 opt_expression ')' $$4 statement",
|
|
"$$5 :",
|
|
"statement : If '(' expression ')' $$5 statement opt_else",
|
|
"$$6 :",
|
|
"$$7 :",
|
|
"statement : While $$6 '(' expression $$7 ')' statement",
|
|
"statement : '{' statement_list '}'",
|
|
"$$8 :",
|
|
"statement : Print $$8 print_list",
|
|
"print_list : print_element",
|
|
"print_list : print_element ',' print_list",
|
|
"print_element : STRING",
|
|
"print_element : expression",
|
|
"opt_else :",
|
|
"$$9 :",
|
|
"opt_else : Else $$9 statement",
|
|
"$$10 :",
|
|
"function : Define NAME '(' opt_parameter_list ')' '{' NEWLINE opt_auto_define_list $$10 statement_list NEWLINE '}'",
|
|
"opt_parameter_list :",
|
|
"opt_parameter_list : define_list",
|
|
"opt_auto_define_list :",
|
|
"opt_auto_define_list : Auto define_list NEWLINE",
|
|
"opt_auto_define_list : Auto define_list ';'",
|
|
"define_list : NAME",
|
|
"define_list : NAME '[' ']'",
|
|
"define_list : define_list ',' NAME",
|
|
"define_list : define_list ',' NAME '[' ']'",
|
|
"opt_argument_list :",
|
|
"opt_argument_list : argument_list",
|
|
"argument_list : expression",
|
|
"argument_list : NAME '[' ']'",
|
|
"argument_list : argument_list ',' expression",
|
|
"argument_list : argument_list ',' NAME '[' ']'",
|
|
"opt_expression :",
|
|
"opt_expression : expression",
|
|
"return_expression :",
|
|
"return_expression : expression",
|
|
"$$11 :",
|
|
"expression : named_expression ASSIGN_OP $$11 expression",
|
|
"$$12 :",
|
|
"expression : expression AND $$12 expression",
|
|
"$$13 :",
|
|
"expression : expression OR $$13 expression",
|
|
"expression : NOT expression",
|
|
"expression : expression REL_OP expression",
|
|
"expression : expression '+' expression",
|
|
"expression : expression '-' expression",
|
|
"expression : expression MUL_OP expression",
|
|
"expression : expression '^' expression",
|
|
"expression : '-' expression",
|
|
"expression : named_expression",
|
|
"expression : NUMBER",
|
|
"expression : '(' expression ')'",
|
|
"expression : NAME '(' opt_argument_list ')'",
|
|
"expression : INCR_DECR named_expression",
|
|
"expression : named_expression INCR_DECR",
|
|
"expression : Length '(' expression ')'",
|
|
"expression : Sqrt '(' expression ')'",
|
|
"expression : Scale '(' expression ')'",
|
|
"expression : Read '(' ')'",
|
|
"named_expression : NAME",
|
|
"named_expression : NAME '[' expression ']'",
|
|
"named_expression : Ibase",
|
|
"named_expression : Obase",
|
|
"named_expression : Scale",
|
|
"named_expression : Last",
|
|
};
|
|
#endif
|
|
#ifdef YYSTACKSIZE
|
|
#undef YYMAXDEPTH
|
|
#define YYMAXDEPTH YYSTACKSIZE
|
|
#else
|
|
#ifdef YYMAXDEPTH
|
|
#define YYSTACKSIZE YYMAXDEPTH
|
|
#else
|
|
#define YYSTACKSIZE 500
|
|
#define YYMAXDEPTH 500
|
|
#endif
|
|
#endif
|
|
int yydebug;
|
|
int yynerrs;
|
|
int yyerrflag;
|
|
int yychar;
|
|
short *yyssp;
|
|
YYSTYPE *yyvsp;
|
|
YYSTYPE yyval;
|
|
YYSTYPE yylval;
|
|
short yyss[YYSTACKSIZE];
|
|
YYSTYPE yyvs[YYSTACKSIZE];
|
|
#define yystacksize YYSTACKSIZE
|
|
#define YYABORT goto yyabort
|
|
#define YYREJECT goto yyabort
|
|
#define YYACCEPT goto yyaccept
|
|
#define YYERROR goto yyerrlab
|
|
int
|
|
yyparse()
|
|
{
|
|
register int yym, yyn, yystate;
|
|
#if YYDEBUG
|
|
register char *yys;
|
|
extern char *getenv();
|
|
|
|
if (yys = getenv("YYDEBUG"))
|
|
{
|
|
yyn = *yys;
|
|
if (yyn >= '0' && yyn <= '9')
|
|
yydebug = yyn - '0';
|
|
}
|
|
#endif
|
|
|
|
yynerrs = 0;
|
|
yyerrflag = 0;
|
|
yychar = (-1);
|
|
|
|
yyssp = yyss;
|
|
yyvsp = yyvs;
|
|
*yyssp = yystate = 0;
|
|
|
|
yyloop:
|
|
if (yyn = yydefred[yystate]) 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 >= yyss + yystacksize - 1)
|
|
{
|
|
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;
|
|
#ifdef lint
|
|
goto yynewerror;
|
|
#endif
|
|
yynewerror:
|
|
yyerror("syntax error");
|
|
#ifdef lint
|
|
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 >= yyss + yystacksize - 1)
|
|
{
|
|
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];
|
|
yyval = yyvsp[1-yym];
|
|
switch (yyn)
|
|
{
|
|
case 1:
|
|
#line 106 "bc.y"
|
|
{
|
|
yyval.i_value = 0;
|
|
if (interactive)
|
|
{
|
|
printf ("%s\n", BC_VERSION);
|
|
welcome ();
|
|
}
|
|
}
|
|
break;
|
|
case 3:
|
|
#line 117 "bc.y"
|
|
{ run_code (); }
|
|
break;
|
|
case 4:
|
|
#line 119 "bc.y"
|
|
{ run_code (); }
|
|
break;
|
|
case 5:
|
|
#line 121 "bc.y"
|
|
{
|
|
yyerrok;
|
|
init_gen ();
|
|
}
|
|
break;
|
|
case 6:
|
|
#line 127 "bc.y"
|
|
{ yyval.i_value = 0; }
|
|
break;
|
|
case 10:
|
|
#line 133 "bc.y"
|
|
{ yyval.i_value = 0; }
|
|
break;
|
|
case 17:
|
|
#line 142 "bc.y"
|
|
{ yyval.i_value = yyvsp[0].i_value; }
|
|
break;
|
|
case 18:
|
|
#line 145 "bc.y"
|
|
{ warranty (""); }
|
|
break;
|
|
case 19:
|
|
#line 147 "bc.y"
|
|
{ limits (); }
|
|
break;
|
|
case 20:
|
|
#line 149 "bc.y"
|
|
{
|
|
if (yyvsp[0].i_value & 2)
|
|
warn ("comparison in expression");
|
|
if (yyvsp[0].i_value & 1)
|
|
generate ("W");
|
|
else
|
|
generate ("p");
|
|
}
|
|
break;
|
|
case 21:
|
|
#line 158 "bc.y"
|
|
{
|
|
yyval.i_value = 0;
|
|
generate ("w");
|
|
generate (yyvsp[0].s_value);
|
|
free (yyvsp[0].s_value);
|
|
}
|
|
break;
|
|
case 22:
|
|
#line 165 "bc.y"
|
|
{
|
|
if (break_label == 0)
|
|
yyerror ("Break outside a for/while");
|
|
else
|
|
{
|
|
sprintf (genstr, "J%1d:", break_label);
|
|
generate (genstr);
|
|
}
|
|
}
|
|
break;
|
|
case 23:
|
|
#line 175 "bc.y"
|
|
{
|
|
warn ("Continue statement");
|
|
if (continue_label == 0)
|
|
yyerror ("Continue outside a for");
|
|
else
|
|
{
|
|
sprintf (genstr, "J%1d:", continue_label);
|
|
generate (genstr);
|
|
}
|
|
}
|
|
break;
|
|
case 24:
|
|
#line 186 "bc.y"
|
|
{ exit (0); }
|
|
break;
|
|
case 25:
|
|
#line 188 "bc.y"
|
|
{ generate ("h"); }
|
|
break;
|
|
case 26:
|
|
#line 190 "bc.y"
|
|
{ generate ("0R"); }
|
|
break;
|
|
case 27:
|
|
#line 192 "bc.y"
|
|
{ generate ("R"); }
|
|
break;
|
|
case 28:
|
|
#line 194 "bc.y"
|
|
{
|
|
yyvsp[0].i_value = break_label;
|
|
break_label = next_label++;
|
|
}
|
|
break;
|
|
case 29:
|
|
#line 199 "bc.y"
|
|
{
|
|
if (yyvsp[-1].i_value > 1)
|
|
warn ("Comparison in first for expression");
|
|
yyvsp[-1].i_value = next_label++;
|
|
if (yyvsp[-1].i_value < 0)
|
|
sprintf (genstr, "N%1d:", yyvsp[-1].i_value);
|
|
else
|
|
sprintf (genstr, "pN%1d:", yyvsp[-1].i_value);
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 30:
|
|
#line 210 "bc.y"
|
|
{
|
|
if (yyvsp[-1].i_value < 0) generate ("1");
|
|
yyvsp[-1].i_value = next_label++;
|
|
sprintf (genstr, "B%1d:J%1d:", yyvsp[-1].i_value, break_label);
|
|
generate (genstr);
|
|
yyval.i_value = continue_label;
|
|
continue_label = next_label++;
|
|
sprintf (genstr, "N%1d:", continue_label);
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 31:
|
|
#line 221 "bc.y"
|
|
{
|
|
if (yyvsp[-1].i_value > 1)
|
|
warn ("Comparison in third for expression");
|
|
if (yyvsp[-1].i_value < 0)
|
|
sprintf (genstr, "J%1d:N%1d:", yyvsp[-7].i_value, yyvsp[-4].i_value);
|
|
else
|
|
sprintf (genstr, "pJ%1d:N%1d:", yyvsp[-7].i_value, yyvsp[-4].i_value);
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 32:
|
|
#line 231 "bc.y"
|
|
{
|
|
sprintf (genstr, "J%1d:N%1d:",
|
|
continue_label, break_label);
|
|
generate (genstr);
|
|
break_label = yyvsp[-12].i_value;
|
|
continue_label = yyvsp[-4].i_value;
|
|
}
|
|
break;
|
|
case 33:
|
|
#line 239 "bc.y"
|
|
{
|
|
yyvsp[-1].i_value = if_label;
|
|
if_label = next_label++;
|
|
sprintf (genstr, "Z%1d:", if_label);
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 34:
|
|
#line 246 "bc.y"
|
|
{
|
|
sprintf (genstr, "N%1d:", if_label);
|
|
generate (genstr);
|
|
if_label = yyvsp[-4].i_value;
|
|
}
|
|
break;
|
|
case 35:
|
|
#line 252 "bc.y"
|
|
{
|
|
yyvsp[0].i_value = next_label++;
|
|
sprintf (genstr, "N%1d:", yyvsp[0].i_value);
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 36:
|
|
#line 258 "bc.y"
|
|
{
|
|
yyvsp[0].i_value = break_label;
|
|
break_label = next_label++;
|
|
sprintf (genstr, "Z%1d:", break_label);
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 37:
|
|
#line 265 "bc.y"
|
|
{
|
|
sprintf (genstr, "J%1d:N%1d:", yyvsp[-6].i_value, break_label);
|
|
generate (genstr);
|
|
break_label = yyvsp[-3].i_value;
|
|
}
|
|
break;
|
|
case 38:
|
|
#line 271 "bc.y"
|
|
{ yyval.i_value = 0; }
|
|
break;
|
|
case 39:
|
|
#line 273 "bc.y"
|
|
{ warn ("print statement"); }
|
|
break;
|
|
case 43:
|
|
#line 280 "bc.y"
|
|
{
|
|
generate ("O");
|
|
generate (yyvsp[0].s_value);
|
|
free (yyvsp[0].s_value);
|
|
}
|
|
break;
|
|
case 44:
|
|
#line 286 "bc.y"
|
|
{ generate ("P"); }
|
|
break;
|
|
case 46:
|
|
#line 290 "bc.y"
|
|
{
|
|
warn ("else clause in if statement");
|
|
yyvsp[0].i_value = next_label++;
|
|
sprintf (genstr, "J%d:N%1d:", yyvsp[0].i_value, if_label);
|
|
generate (genstr);
|
|
if_label = yyvsp[0].i_value;
|
|
}
|
|
break;
|
|
case 48:
|
|
#line 300 "bc.y"
|
|
{
|
|
/* Check auto list against parameter list? */
|
|
check_params (yyvsp[-4].a_value,yyvsp[0].a_value);
|
|
sprintf (genstr, "F%d,%s.%s[", lookup(yyvsp[-6].s_value,FUNCT),
|
|
arg_str (yyvsp[-4].a_value,TRUE), arg_str (yyvsp[0].a_value,TRUE));
|
|
generate (genstr);
|
|
free_args (yyvsp[-4].a_value);
|
|
free_args (yyvsp[0].a_value);
|
|
yyvsp[-7].i_value = next_label;
|
|
next_label = 0;
|
|
}
|
|
break;
|
|
case 49:
|
|
#line 312 "bc.y"
|
|
{
|
|
generate ("0R]");
|
|
next_label = yyvsp[-11].i_value;
|
|
}
|
|
break;
|
|
case 50:
|
|
#line 318 "bc.y"
|
|
{ yyval.a_value = NULL; }
|
|
break;
|
|
case 52:
|
|
#line 322 "bc.y"
|
|
{ yyval.a_value = NULL; }
|
|
break;
|
|
case 53:
|
|
#line 324 "bc.y"
|
|
{ yyval.a_value = yyvsp[-1].a_value; }
|
|
break;
|
|
case 54:
|
|
#line 326 "bc.y"
|
|
{ yyval.a_value = yyvsp[-1].a_value; }
|
|
break;
|
|
case 55:
|
|
#line 329 "bc.y"
|
|
{ yyval.a_value = nextarg (NULL, lookup (yyvsp[0].s_value,SIMPLE)); }
|
|
break;
|
|
case 56:
|
|
#line 331 "bc.y"
|
|
{ yyval.a_value = nextarg (NULL, lookup (yyvsp[-2].s_value,ARRAY)); }
|
|
break;
|
|
case 57:
|
|
#line 333 "bc.y"
|
|
{ yyval.a_value = nextarg (yyvsp[-2].a_value, lookup (yyvsp[0].s_value,SIMPLE)); }
|
|
break;
|
|
case 58:
|
|
#line 335 "bc.y"
|
|
{ yyval.a_value = nextarg (yyvsp[-4].a_value, lookup (yyvsp[-2].s_value,ARRAY)); }
|
|
break;
|
|
case 59:
|
|
#line 338 "bc.y"
|
|
{ yyval.a_value = NULL; }
|
|
break;
|
|
case 61:
|
|
#line 342 "bc.y"
|
|
{
|
|
if (yyvsp[0].i_value > 1) warn ("comparison in argument");
|
|
yyval.a_value = nextarg (NULL,0);
|
|
}
|
|
break;
|
|
case 62:
|
|
#line 347 "bc.y"
|
|
{
|
|
sprintf (genstr, "K%d:", -lookup (yyvsp[-2].s_value,ARRAY));
|
|
generate (genstr);
|
|
yyval.a_value = nextarg (NULL,1);
|
|
}
|
|
break;
|
|
case 63:
|
|
#line 353 "bc.y"
|
|
{
|
|
if (yyvsp[0].i_value > 1) warn ("comparison in argument");
|
|
yyval.a_value = nextarg (yyvsp[-2].a_value,0);
|
|
}
|
|
break;
|
|
case 64:
|
|
#line 358 "bc.y"
|
|
{
|
|
sprintf (genstr, "K%d:", -lookup (yyvsp[-2].s_value,ARRAY));
|
|
generate (genstr);
|
|
yyval.a_value = nextarg (yyvsp[-4].a_value,1);
|
|
}
|
|
break;
|
|
case 65:
|
|
#line 365 "bc.y"
|
|
{
|
|
yyval.i_value = -1;
|
|
warn ("Missing expression in for statement");
|
|
}
|
|
break;
|
|
case 67:
|
|
#line 372 "bc.y"
|
|
{
|
|
yyval.i_value = 0;
|
|
generate ("0");
|
|
}
|
|
break;
|
|
case 68:
|
|
#line 377 "bc.y"
|
|
{
|
|
if (yyvsp[0].i_value > 1)
|
|
warn ("comparison in return expresion");
|
|
}
|
|
break;
|
|
case 69:
|
|
#line 383 "bc.y"
|
|
{
|
|
if (yyvsp[0].c_value != '=')
|
|
{
|
|
if (yyvsp[-1].i_value < 0)
|
|
sprintf (genstr, "DL%d:", -yyvsp[-1].i_value);
|
|
else
|
|
sprintf (genstr, "l%d:", yyvsp[-1].i_value);
|
|
generate (genstr);
|
|
}
|
|
}
|
|
break;
|
|
case 70:
|
|
#line 394 "bc.y"
|
|
{
|
|
if (yyvsp[0].i_value > 1) warn("comparison in assignment");
|
|
if (yyvsp[-2].c_value != '=')
|
|
{
|
|
sprintf (genstr, "%c", yyvsp[-2].c_value);
|
|
generate (genstr);
|
|
}
|
|
if (yyvsp[-3].i_value < 0)
|
|
sprintf (genstr, "S%d:", -yyvsp[-3].i_value);
|
|
else
|
|
sprintf (genstr, "s%d:", yyvsp[-3].i_value);
|
|
generate (genstr);
|
|
yyval.i_value = 0;
|
|
}
|
|
break;
|
|
case 71:
|
|
#line 410 "bc.y"
|
|
{
|
|
warn("&& operator");
|
|
yyvsp[0].i_value = next_label++;
|
|
sprintf (genstr, "DZ%d:p", yyvsp[0].i_value);
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 72:
|
|
#line 417 "bc.y"
|
|
{
|
|
sprintf (genstr, "DZ%d:p1N%d:", yyvsp[-2].i_value, yyvsp[-2].i_value);
|
|
generate (genstr);
|
|
yyval.i_value = yyvsp[-3].i_value | yyvsp[0].i_value;
|
|
}
|
|
break;
|
|
case 73:
|
|
#line 423 "bc.y"
|
|
{
|
|
warn("|| operator");
|
|
yyvsp[0].i_value = next_label++;
|
|
sprintf (genstr, "B%d:", yyvsp[0].i_value);
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 74:
|
|
#line 430 "bc.y"
|
|
{
|
|
int tmplab;
|
|
tmplab = next_label++;
|
|
sprintf (genstr, "B%d:0J%d:N%d:1N%d:",
|
|
yyvsp[-2].i_value, tmplab, yyvsp[-2].i_value, tmplab);
|
|
generate (genstr);
|
|
yyval.i_value = yyvsp[-3].i_value | yyvsp[0].i_value;
|
|
}
|
|
break;
|
|
case 75:
|
|
#line 439 "bc.y"
|
|
{
|
|
yyval.i_value = yyvsp[0].i_value;
|
|
warn("! operator");
|
|
generate ("!");
|
|
}
|
|
break;
|
|
case 76:
|
|
#line 445 "bc.y"
|
|
{
|
|
yyval.i_value = 3;
|
|
switch (*(yyvsp[-1].s_value))
|
|
{
|
|
case '=':
|
|
generate ("=");
|
|
break;
|
|
|
|
case '!':
|
|
generate ("#");
|
|
break;
|
|
|
|
case '<':
|
|
if (yyvsp[-1].s_value[1] == '=')
|
|
generate ("{");
|
|
else
|
|
generate ("<");
|
|
break;
|
|
|
|
case '>':
|
|
if (yyvsp[-1].s_value[1] == '=')
|
|
generate ("}");
|
|
else
|
|
generate (">");
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 77:
|
|
#line 473 "bc.y"
|
|
{
|
|
generate ("+");
|
|
yyval.i_value = yyvsp[-2].i_value | yyvsp[0].i_value;
|
|
}
|
|
break;
|
|
case 78:
|
|
#line 478 "bc.y"
|
|
{
|
|
generate ("-");
|
|
yyval.i_value = yyvsp[-2].i_value | yyvsp[0].i_value;
|
|
}
|
|
break;
|
|
case 79:
|
|
#line 483 "bc.y"
|
|
{
|
|
genstr[0] = yyvsp[-1].c_value;
|
|
genstr[1] = 0;
|
|
generate (genstr);
|
|
yyval.i_value = yyvsp[-2].i_value | yyvsp[0].i_value;
|
|
}
|
|
break;
|
|
case 80:
|
|
#line 490 "bc.y"
|
|
{
|
|
generate ("^");
|
|
yyval.i_value = yyvsp[-2].i_value | yyvsp[0].i_value;
|
|
}
|
|
break;
|
|
case 81:
|
|
#line 495 "bc.y"
|
|
{
|
|
generate ("n");
|
|
yyval.i_value = yyvsp[0].i_value;
|
|
}
|
|
break;
|
|
case 82:
|
|
#line 500 "bc.y"
|
|
{
|
|
yyval.i_value = 1;
|
|
if (yyvsp[0].i_value < 0)
|
|
sprintf (genstr, "L%d:", -yyvsp[0].i_value);
|
|
else
|
|
sprintf (genstr, "l%d:", yyvsp[0].i_value);
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 83:
|
|
#line 509 "bc.y"
|
|
{
|
|
int len = strlen(yyvsp[0].s_value);
|
|
yyval.i_value = 1;
|
|
if (len == 1 && *yyvsp[0].s_value == '0')
|
|
generate ("0");
|
|
else if (len == 1 && *yyvsp[0].s_value == '1')
|
|
generate ("1");
|
|
else
|
|
{
|
|
generate ("K");
|
|
generate (yyvsp[0].s_value);
|
|
generate (":");
|
|
}
|
|
free (yyvsp[0].s_value);
|
|
}
|
|
break;
|
|
case 84:
|
|
#line 525 "bc.y"
|
|
{ yyval.i_value = yyvsp[-1].i_value | 1; }
|
|
break;
|
|
case 85:
|
|
#line 527 "bc.y"
|
|
{
|
|
yyval.i_value = 1;
|
|
if (yyvsp[-1].a_value != NULL)
|
|
{
|
|
sprintf (genstr, "C%d,%s:",
|
|
lookup (yyvsp[-3].s_value,FUNCT),
|
|
arg_str (yyvsp[-1].a_value,FALSE));
|
|
free_args (yyvsp[-1].a_value);
|
|
}
|
|
else
|
|
{
|
|
sprintf (genstr, "C%d:", lookup (yyvsp[-3].s_value,FUNCT));
|
|
}
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 86:
|
|
#line 543 "bc.y"
|
|
{
|
|
yyval.i_value = 1;
|
|
if (yyvsp[0].i_value < 0)
|
|
{
|
|
if (yyvsp[-1].c_value == '+')
|
|
sprintf (genstr, "DA%d:L%d:", -yyvsp[0].i_value, -yyvsp[0].i_value);
|
|
else
|
|
sprintf (genstr, "DM%d:L%d:", -yyvsp[0].i_value, -yyvsp[0].i_value);
|
|
}
|
|
else
|
|
{
|
|
if (yyvsp[-1].c_value == '+')
|
|
sprintf (genstr, "i%d:l%d:", yyvsp[0].i_value, yyvsp[0].i_value);
|
|
else
|
|
sprintf (genstr, "d%d:l%d:", yyvsp[0].i_value, yyvsp[0].i_value);
|
|
}
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 87:
|
|
#line 562 "bc.y"
|
|
{
|
|
yyval.i_value = 1;
|
|
if (yyvsp[-1].i_value < 0)
|
|
{
|
|
sprintf (genstr, "DL%d:x", -yyvsp[-1].i_value);
|
|
generate (genstr);
|
|
if (yyvsp[0].c_value == '+')
|
|
sprintf (genstr, "A%d:", -yyvsp[-1].i_value);
|
|
else
|
|
sprintf (genstr, "M%d:", -yyvsp[-1].i_value);
|
|
}
|
|
else
|
|
{
|
|
sprintf (genstr, "l%d:", yyvsp[-1].i_value);
|
|
generate (genstr);
|
|
if (yyvsp[0].c_value == '+')
|
|
sprintf (genstr, "i%d:", yyvsp[-1].i_value);
|
|
else
|
|
sprintf (genstr, "d%d:", yyvsp[-1].i_value);
|
|
}
|
|
generate (genstr);
|
|
}
|
|
break;
|
|
case 88:
|
|
#line 585 "bc.y"
|
|
{ generate ("cL"); yyval.i_value = 1;}
|
|
break;
|
|
case 89:
|
|
#line 587 "bc.y"
|
|
{ generate ("cR"); yyval.i_value = 1;}
|
|
break;
|
|
case 90:
|
|
#line 589 "bc.y"
|
|
{ generate ("cS"); yyval.i_value = 1;}
|
|
break;
|
|
case 91:
|
|
#line 591 "bc.y"
|
|
{
|
|
warn ("read function");
|
|
generate ("cI"); yyval.i_value = 1;
|
|
}
|
|
break;
|
|
case 92:
|
|
#line 597 "bc.y"
|
|
{ yyval.i_value = lookup(yyvsp[0].s_value,SIMPLE); }
|
|
break;
|
|
case 93:
|
|
#line 599 "bc.y"
|
|
{
|
|
if (yyvsp[-1].i_value > 1) warn("comparison in subscript");
|
|
yyval.i_value = lookup(yyvsp[-3].s_value,ARRAY);
|
|
}
|
|
break;
|
|
case 94:
|
|
#line 604 "bc.y"
|
|
{ yyval.i_value = 0; }
|
|
break;
|
|
case 95:
|
|
#line 606 "bc.y"
|
|
{ yyval.i_value = 1; }
|
|
break;
|
|
case 96:
|
|
#line 608 "bc.y"
|
|
{ yyval.i_value = 2; }
|
|
break;
|
|
case 97:
|
|
#line 610 "bc.y"
|
|
{ yyval.i_value = 3; }
|
|
break;
|
|
#line 1318 "y.tab.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 >= yyss + yystacksize - 1)
|
|
{
|
|
goto yyoverflow;
|
|
}
|
|
*++yyssp = yystate;
|
|
*++yyvsp = yyval;
|
|
goto yyloop;
|
|
yyoverflow:
|
|
yyerror("yacc stack overflow");
|
|
yyabort:
|
|
return (1);
|
|
yyaccept:
|
|
return (0);
|
|
}
|