+/* A Bison parser, made from inform.y
+ by GNU bison 1.35. */
+
+#define YYBISON 1 /* Identify Bison output. */
+
+# define NUM 257
+# define DFILE 258
+# define CONDITION 259
+# define ALIAS 260
+# define RALIAS 261
+# define UNALIAS 262
+# define DUMPMEM 263
+# define AUTOMAP 264
+# define HELP 265
+# define UNDO 266
+# define REDO 267
+# define LANGUAGE 268
+# define INFOSOURCE 269
+# define INFOSOURCES 270
+# define COPYING 271
+# define WARRANTY 272
+# define PRINT 273
+# define SET 274
+# define MOVE 275
+# define TO 276
+# define GIVE 277
+# define REMOVE 278
+# define JUMP 279
+# define CONT 280
+# define STEP 281
+# define NEXT 282
+# define UNTIL 283
+# define STEPI 284
+# define NEXTI 285
+# define FINISH 286
+# define BREAK 287
+# define DELETE 288
+# define IF 289
+# define COND 290
+# define IGNORE 291
+# define BREAKPOINTS 292
+# define RESTORE 293
+# define RESTART 294
+# define QUIT 295
+# define RECORDON 296
+# define RECORDOFF 297
+# define REPLAY 298
+# define REPLAYOFF 299
+# define SYMBOL_FILE 300
+# define FRAME 301
+# define SELECT_FRAME 302
+# define BACKTRACE 303
+# define UP_FRAME 304
+# define DOWN_FRAME 305
+# define UP_SILENTLY 306
+# define DOWN_SILENTLY 307
+# define DISPLAY 308
+# define UNDISPLAY 309
+# define DISABLE_DISPLAY 310
+# define ENABLE_DISPLAY 311
+# define DISABLE_BREAK 312
+# define ENABLE_BREAK 313
+# define OBJECT_TREE 314
+# define FIND 315
+# define LIST_GLOBALS 316
+# define BTRUE 317
+# define BFALSE 318
+# define NOTHING 319
+# define PARENT 320
+# define CHILD 321
+# define SIBLING 322
+# define CHILDREN 323
+# define RANDOM 324
+# define ANDAND 325
+# define OROR 326
+# define NOTNOT 327
+# define OR 328
+# define BYTEARRAY 329
+# define WORDARRAY 330
+# define precNEG 331
+# define NUMBER 332
+# define OBJECT 333
+# define ROUTINE 334
+# define STRING 335
+# define GLOBAL 336
+# define LOCAL 337
+# define INCREMENT 338
+# define DECREMENT 339
+# define PROPADDR 340
+# define PROPLENGTH 341
+# define SUPERCLASS 342
+
+#line 1 "inform.y"
+
+/* Nitfol - z-machine interpreter using Glk for output.
+ Copyright (C) 1999 Evin Robertson
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+
+ The author can be reached at ecr+@andrew.cmu.edu
+*/
+
+#include "nitfol.h"
+#include <ctype.h>
+
+/* bison uses str* functions; make it use n_str* instead... */
+#ifndef n_strcat
+#define strcat(d, s) n_strcat(d, s)
+#endif
+#ifndef n_strlen
+#define strlen(s) n_strlen(s)
+#endif
+#ifndef n_strcpy
+#define strcpy(d, s) n_strcpy(d, s)
+#endif
+
+
+#ifdef DEBUGGING
+
+ typedef struct zword_list zword_list;
+ struct zword_list {
+ zword_list *next;
+ zword item;
+ };
+
+ typedef struct cond_list cond_list;
+ struct cond_list {
+ cond_list *next;
+ zword val;
+ BOOL (*condfunc)(zword a, zword b);
+ BOOL opposite;
+ };
+
+ cond_list *condlist;
+
+ static z_typed z_t(z_typed a, z_typed b, zword v);
+
+ static const char *lex_expression;
+ static int lex_offset;
+
+ static const char *lex_tail(void) {
+ const char *t = lex_expression + lex_offset;
+ while(*t == ' ')
+ t++;
+ lex_offset = n_strlen(lex_expression);
+ return t;
+ }
+
+ static z_typed inform_result;
+
+ static int yylex(void);
+ static void yyerror(const char *s);
+ static void inform_help(void);
+
+ int ignoreeffects;
+
+#define YYERROR_VERBOSE
+
+/*
+#define YYDEBUG 1
+*/
+
+
+#line 84 "inform.y"
+#ifndef YYSTYPE
+typedef union {
+ glui32 pcoffset;
+ infix_file *filenum;
+ z_typed val;
+
+ zword_list *zlist;
+
+ struct {
+ BOOL (*condfunc)(zword a, zword b);
+ BOOL opposite;
+ } cond;
+
+ BOOL flag;
+} yystype;
+# define YYSTYPE yystype
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+
+
+#define YYFINAL 208
+#define YYFLAG -32768
+#define YYNTBASE 104
+
+/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */
+#define YYTRANSLATE(x) ((unsigned)(x) <= 342 ? yytranslate[x] : 114)
+
+/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */
+static const char yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 101, 2, 81, 82, 2,
+ 98, 103, 79, 77, 71, 78, 99, 80, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 102, 2,
+ 2, 72, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 83, 2, 84, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 1, 3, 4, 5,
+ 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
+ 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
+ 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
+ 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
+ 56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
+ 66, 67, 68, 69, 70, 73, 74, 75, 76, 85,
+ 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
+ 96, 97, 100
+};
+
+#if YYDEBUG
+static const short yyprhs[] =
+{
+ 0, 0, 1, 3, 5, 7, 9, 11, 13, 15,
+ 17, 19, 21, 23, 25, 27, 29, 31, 33, 35,
+ 38, 41, 43, 46, 49, 52, 57, 59, 62, 64,
+ 66, 69, 73, 78, 81, 84, 86, 89, 91, 94,
+ 96, 99, 101, 103, 106, 108, 111, 113, 116, 120,
+ 123, 127, 130, 132, 135, 138, 141, 143, 145, 147,
+ 149, 151, 153, 156, 159, 161, 164, 166, 169, 171,
+ 174, 176, 179, 181, 184, 188, 190, 193, 196, 200,
+ 203, 205, 209, 210, 214, 216, 218, 222, 226, 227,
+ 232, 234, 236, 238, 240, 244, 249, 254, 259, 264,
+ 269, 274, 275, 280, 281, 286, 289, 293, 297, 301,
+ 305, 309, 313, 317, 320, 324, 328, 331, 334, 337,
+ 340, 343, 347, 351, 355, 358, 361, 364, 367, 370,
+ 373
+};
+static const short yyrhs[] =
+{
+ -1, 101, 0, 9, 0, 6, 0, 7, 0, 8,
+ 0, 10, 0, 11, 0, 40, 0, 39, 0, 42,
+ 0, 43, 0, 44, 0, 45, 0, 41, 0, 12,
+ 0, 13, 0, 46, 0, 19, 108, 0, 20, 108,
+ 0, 54, 0, 55, 3, 0, 56, 3, 0, 57,
+ 3, 0, 21, 108, 22, 108, 0, 60, 0, 60,
+ 108, 0, 61, 0, 62, 0, 62, 108, 0, 23,
+ 108, 3, 0, 23, 108, 84, 3, 0, 24, 108,
+ 0, 25, 105, 0, 26, 0, 26, 3, 0, 27,
+ 0, 27, 3, 0, 28, 0, 28, 3, 0, 29,
+ 0, 30, 0, 30, 3, 0, 31, 0, 31, 3,
+ 0, 32, 0, 33, 105, 0, 33, 105, 35, 0,
+ 36, 3, 0, 37, 3, 3, 0, 34, 3, 0,
+ 38, 0, 38, 3, 0, 58, 3, 0, 59, 3,
+ 0, 14, 0, 15, 0, 16, 0, 17, 0, 18,
+ 0, 47, 0, 47, 3, 0, 48, 3, 0, 50,
+ 0, 50, 3, 0, 52, 0, 52, 3, 0, 51,
+ 0, 51, 3, 0, 53, 0, 53, 3, 0, 49,
+ 0, 49, 3, 0, 49, 78, 3, 0, 3, 0,
+ 77, 3, 0, 78, 3, 0, 4, 102, 3, 0,
+ 79, 3, 0, 111, 0, 106, 76, 111, 0, 0,
+ 111, 71, 107, 0, 111, 0, 109, 0, 108, 71,
+ 111, 0, 108, 71, 109, 0, 0, 111, 5, 110,
+ 106, 0, 3, 0, 64, 0, 63, 0, 65, 0,
+ 111, 72, 111, 0, 66, 98, 108, 103, 0, 67,
+ 98, 108, 103, 0, 68, 98, 108, 103, 0, 69,
+ 98, 108, 103, 0, 70, 98, 108, 103, 0, 111,
+ 98, 107, 103, 0, 0, 111, 73, 112, 111, 0,
+ 0, 111, 74, 113, 111, 0, 75, 111, 0, 111,
+ 77, 111, 0, 111, 78, 111, 0, 111, 79, 111,
+ 0, 111, 80, 111, 0, 111, 81, 111, 0, 111,
+ 82, 111, 0, 111, 83, 111, 0, 84, 111, 0,
+ 111, 85, 111, 0, 111, 86, 111, 0, 78, 111,
+ 0, 94, 111, 0, 111, 94, 0, 95, 111, 0,
+ 111, 95, 0, 111, 96, 111, 0, 111, 97, 111,
+ 0, 111, 99, 111, 0, 88, 111, 0, 89, 111,
+ 0, 90, 111, 0, 91, 111, 0, 92, 111, 0,
+ 93, 111, 0, 98, 108, 103, 0
+};
+
+#endif
+
+#if YYDEBUG
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const short yyrline[] =
+{
+ 0, 130, 132, 134, 142, 144, 146, 148, 150, 152,
+ 154, 165, 167, 169, 171, 173, 175, 182, 189, 198,
+ 200, 202, 204, 206, 208, 210, 212, 214, 216, 221,
+ 239, 255, 257, 259, 261, 263, 265, 267, 269, 271,
+ 273, 275, 277, 279, 281, 283, 285, 287, 289, 291,
+ 293, 295, 297, 299, 301, 303, 305, 307, 309, 311,
+ 313, 315, 317, 319, 321, 323, 325, 327, 329, 331,
+ 333, 335, 337, 339, 341, 349, 350, 351, 352, 353,
+ 357, 364, 377, 378, 382, 383, 384, 385, 389, 389,
+ 394, 396, 398, 400, 403, 406, 408, 410, 412, 415,
+ 425, 443, 443, 445, 445, 447, 450, 452, 454, 456,
+ 458, 460, 462, 464, 467, 469, 472, 475, 477, 479,
+ 481, 484, 486, 489, 497, 499, 501, 503, 505, 507,
+ 509
+};
+#endif
+
+
+#if (YYDEBUG) || defined YYERROR_VERBOSE
+
+/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
+static const char *const yytname[] =
+{
+ "$", "error", "$undefined.", "NUM", "DFILE", "CONDITION", "ALIAS",
+ "RALIAS", "UNALIAS", "DUMPMEM", "AUTOMAP", "HELP", "UNDO", "REDO",
+ "LANGUAGE", "INFOSOURCE", "INFOSOURCES", "COPYING", "WARRANTY", "PRINT",
+ "SET", "MOVE", "TO", "GIVE", "REMOVE", "JUMP", "CONT", "STEP", "NEXT",
+ "UNTIL", "STEPI", "NEXTI", "FINISH", "BREAK", "DELETE", "IF", "COND",
+ "IGNORE", "BREAKPOINTS", "RESTORE", "RESTART", "QUIT", "RECORDON",
+ "RECORDOFF", "REPLAY", "REPLAYOFF", "SYMBOL_FILE", "FRAME",
+ "SELECT_FRAME", "BACKTRACE", "UP_FRAME", "DOWN_FRAME", "UP_SILENTLY",
+ "DOWN_SILENTLY", "DISPLAY", "UNDISPLAY", "DISABLE_DISPLAY",
+ "ENABLE_DISPLAY", "DISABLE_BREAK", "ENABLE_BREAK", "OBJECT_TREE",
+ "FIND", "LIST_GLOBALS", "BTRUE", "BFALSE", "NOTHING", "PARENT", "CHILD",
+ "SIBLING", "CHILDREN", "RANDOM", "','", "'='", "ANDAND", "OROR",
+ "NOTNOT", "OR", "'+'", "'-'", "'*'", "'/'", "'%'", "'&'", "'|'", "'~'",
+ "BYTEARRAY", "WORDARRAY", "precNEG", "NUMBER", "OBJECT", "ROUTINE",
+ "STRING", "GLOBAL", "LOCAL", "INCREMENT", "DECREMENT", "PROPADDR",
+ "PROPLENGTH", "'('", "'.'", "SUPERCLASS", "'#'", "':'", "')'", "input",
+ "linespec", "orlist", "arglist", "commaexp", "condexp", "@1", "exp",
+ "@2", "@3", 0
+};
+#endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const short yyr1[] =
+{
+ 0, 104, 104, 104, 104, 104, 104, 104, 104, 104,
+ 104, 104, 104, 104, 104, 104, 104, 104, 104, 104,
+ 104, 104, 104, 104, 104, 104, 104, 104, 104, 104,
+ 104, 104, 104, 104, 104, 104, 104, 104, 104, 104,
+ 104, 104, 104, 104, 104, 104, 104, 104, 104, 104,
+ 104, 104, 104, 104, 104, 104, 104, 104, 104, 104,
+ 104, 104, 104, 104, 104, 104, 104, 104, 104, 104,
+ 104, 104, 104, 104, 104, 105, 105, 105, 105, 105,
+ 106, 106, 107, 107, 108, 108, 108, 108, 110, 109,
+ 111, 111, 111, 111, 111, 111, 111, 111, 111, 111,
+ 111, 112, 111, 113, 111, 111, 111, 111, 111, 111,
+ 111, 111, 111, 111, 111, 111, 111, 111, 111, 111,
+ 111, 111, 111, 111, 111, 111, 111, 111, 111, 111,
+ 111
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const short yyr2[] =
+{
+ 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
+ 2, 1, 2, 2, 2, 4, 1, 2, 1, 1,
+ 2, 3, 4, 2, 2, 1, 2, 1, 2, 1,
+ 2, 1, 1, 2, 1, 2, 1, 2, 3, 2,
+ 3, 2, 1, 2, 2, 2, 1, 1, 1, 1,
+ 1, 1, 2, 2, 1, 2, 1, 2, 1, 2,
+ 1, 2, 1, 2, 3, 1, 2, 2, 3, 2,
+ 1, 3, 0, 3, 1, 1, 3, 3, 0, 4,
+ 1, 1, 1, 1, 3, 4, 4, 4, 4, 4,
+ 4, 0, 4, 0, 4, 2, 3, 3, 3, 3,
+ 3, 3, 3, 2, 3, 3, 2, 2, 2, 2,
+ 2, 3, 3, 3, 2, 2, 2, 2, 2, 2,
+ 3
+};
+
+/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
+ doesn't specify something else to do. Zero means the default is an
+ error. */
+static const short yydefact[] =
+{
+ 1, 4, 5, 6, 3, 7, 8, 16, 17, 56,
+ 57, 58, 59, 60, 0, 0, 0, 0, 0, 0,
+ 35, 37, 39, 41, 42, 44, 46, 0, 0, 0,
+ 0, 52, 10, 9, 15, 11, 12, 13, 14, 18,
+ 61, 0, 72, 64, 68, 66, 70, 21, 0, 0,
+ 0, 0, 0, 26, 28, 29, 2, 90, 92, 91,
+ 93, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 19, 85,
+ 84, 20, 0, 0, 33, 75, 0, 0, 0, 0,
+ 34, 36, 38, 40, 43, 45, 47, 51, 49, 0,
+ 53, 62, 63, 73, 0, 65, 69, 67, 71, 22,
+ 23, 24, 54, 55, 27, 30, 0, 0, 0, 0,
+ 0, 105, 116, 113, 124, 125, 126, 127, 128, 129,
+ 117, 119, 0, 0, 88, 0, 101, 103, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 118, 120, 0,
+ 0, 82, 0, 0, 31, 0, 0, 76, 77, 79,
+ 48, 50, 74, 0, 0, 0, 0, 0, 130, 87,
+ 86, 0, 94, 0, 0, 106, 107, 108, 109, 110,
+ 111, 112, 114, 115, 121, 122, 0, 0, 123, 25,
+ 32, 78, 95, 96, 97, 98, 99, 89, 80, 102,
+ 104, 100, 82, 0, 83, 81, 0, 0, 0
+};
+
+static const short yydefgoto[] =
+{
+ 206, 90, 197, 186, 78, 79, 171, 80, 173, 174
+};
+
+static const short yypact[] =
+{
+ 136,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
+ -32768,-32768,-32768,-32768, 155, 155, 155, 155, 155, 15,
+ 28, 33, 34,-32768, 44, 45,-32768, 15, 46, 47,
+ 48, 55,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
+ 56, 57, 13, 58, 60, 69, 71,-32768, 72, 83,
+ 92, 93, 94, 155,-32768, 155,-32768,-32768,-32768,-32768,
+ -32768, -59, 1, 2, 8, 9, 155, 155, 155, 155,
+ 155, 155, 155, 155, 155, 155, 155, 155, 37,-32768,
+ 194, 37, -7, 14, 37,-32768, 18, 107, 126, 133,
+ -32768,-32768,-32768,-32768,-32768,-32768, 102,-32768,-32768, 168,
+ -32768,-32768,-32768,-32768, 199,-32768,-32768,-32768,-32768,-32768,
+ -32768,-32768,-32768,-32768, 37, 37, 155, 155, 155, 155,
+ 155, 36, -29, 115, -29, -29, -29, -29, -29, -29,
+ 29, 29, -51, 155,-32768, 155,-32768,-32768, 155, 155,
+ 155, 155, 155, 155, 155, 155, 155,-32768,-32768, 155,
+ 155, 155, 155, 155,-32768, 200, 201,-32768,-32768,-32768,
+ -32768,-32768,-32768, -50, -49, -48, -47, -46,-32768,-32768,
+ 194, 155, 251, 155, 155, -53, -53, 115, 115, 115,
+ 115, 115, -29, -29, -64, -64, 103, 223,-32768, 37,
+ -32768,-32768,-32768,-32768,-32768,-32768,-32768, 63, 251, 36,
+ 36,-32768, 155, 155,-32768, 251, 205, 207,-32768
+};
+
+static const short yypgoto[] =
+{
+ -32768, 181,-32768, 24, -15, 82,-32768, -62,-32768,-32768
+};
+
+
+#define YYLAST 350
+
+
+static const short yytable[] =
+{
+ 81, 82, 83, 84, 121, 122, 123, 124, 125, 126,
+ 127, 128, 129, 130, 131, 153, 103, 154, 85, 86,
+ 133, 133, 133, 133, 133, 133, 140, 141, 142, 143,
+ 144, 91, 145, 146, 151, 152, 92, 93, 114, 116,
+ 115, 147, 148, 149, 150, 151, 152, 94, 95, 97,
+ 98, 99, 168, 192, 193, 194, 195, 196, 100, 101,
+ 102, 105, 132, 106, 133, 147, 148, 149, 150, 151,
+ 152, 170, 107, 172, 108, 109, 175, 176, 177, 178,
+ 179, 180, 181, 182, 183, 133, 110, 184, 185, 187,
+ 188, 104, 87, 88, 89, 111, 112, 113, 155, 117,
+ 118, 163, 164, 165, 166, 167, 119, 120, 133, 198,
+ 157, 199, 200, 138, 139, 140, 141, 142, 143, 144,
+ 156, 145, 146,-32768,-32768, 149, 150, 151, 152, 158,
+ 147, 148, 149, 150, 151, 152, 159, 160, 189, 203,
+ 187, 205, 1, 2, 3, 4, 5, 6, 7, 8,
+ 9, 10, 11, 12, 13, 14, 15, 16, 57, 17,
+ 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
+ 28, 161, 29, 30, 31, 32, 33, 34, 35, 36,
+ 37, 38, 39, 40, 41, 42, 43, 44, 45, 46,
+ 47, 48, 49, 50, 51, 52, 53, 54, 55, 134,
+ 145, 146, 162, 190, 191, 207, 201, 208, 96, 147,
+ 148, 149, 150, 151, 152, 169, 0, 0, 58, 59,
+ 60, 61, 62, 63, 64, 65, 204, 0, 0, 0,
+ 66, 0, 0, 67, 0, 0, 0, 56, 0, 68,
+ 0, 0, 0, 69, 70, 71, 72, 73, 74, 75,
+ 76, 0, 0, 77, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 135, 136, 137, 0,
+ 0, 138, 139, 140, 141, 142, 143, 144, 0, 145,
+ 146, 0, 0, 0, 0, 0, 0, 0, 147, 148,
+ 149, 150, 151, 152, 202, 135, 136, 137, 0, 0,
+ 138, 139, 140, 141, 142, 143, 144, 0, 145, 146,
+ 0, 0, 0, 0, 0, 0, 0, 147, 148, 149,
+ 150, 151, 152, 135, 136, 137, 0, 0, 138, 139,
+ 140, 141, 142, 143, 144, 0, 145, 146, 0, 0,
+ 0, 0, 0, 0, 0, 147, 148, 149, 150, 151,
+ 152
+};
+
+static const short yycheck[] =
+{
+ 15, 16, 17, 18, 66, 67, 68, 69, 70, 71,
+ 72, 73, 74, 75, 76, 22, 3, 3, 3, 4,
+ 71, 71, 71, 71, 71, 71, 79, 80, 81, 82,
+ 83, 3, 85, 86, 98, 99, 3, 3, 53, 98,
+ 55, 94, 95, 96, 97, 98, 99, 3, 3, 3,
+ 3, 3, 103, 103, 103, 103, 103, 103, 3, 3,
+ 3, 3, 77, 3, 71, 94, 95, 96, 97, 98,
+ 99, 133, 3, 135, 3, 3, 138, 139, 140, 141,
+ 142, 143, 144, 145, 146, 71, 3, 149, 150, 151,
+ 152, 78, 77, 78, 79, 3, 3, 3, 84, 98,
+ 98, 116, 117, 118, 119, 120, 98, 98, 71, 171,
+ 3, 173, 174, 77, 78, 79, 80, 81, 82, 83,
+ 102, 85, 86, 94, 95, 96, 97, 98, 99, 3,
+ 94, 95, 96, 97, 98, 99, 3, 35, 153, 76,
+ 202, 203, 6, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21, 3, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 3, 36, 37, 38, 39, 40, 41, 42, 43,
+ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53,
+ 54, 55, 56, 57, 58, 59, 60, 61, 62, 5,
+ 85, 86, 3, 3, 3, 0, 103, 0, 27, 94,
+ 95, 96, 97, 98, 99, 133, -1, -1, 63, 64,
+ 65, 66, 67, 68, 69, 70, 202, -1, -1, -1,
+ 75, -1, -1, 78, -1, -1, -1, 101, -1, 84,
+ -1, -1, -1, 88, 89, 90, 91, 92, 93, 94,
+ 95, -1, -1, 98, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, 72, 73, 74, -1,
+ -1, 77, 78, 79, 80, 81, 82, 83, -1, 85,
+ 86, -1, -1, -1, -1, -1, -1, -1, 94, 95,
+ 96, 97, 98, 99, 71, 72, 73, 74, -1, -1,
+ 77, 78, 79, 80, 81, 82, 83, -1, 85, 86,
+ -1, -1, -1, -1, -1, -1, -1, 94, 95, 96,
+ 97, 98, 99, 72, 73, 74, -1, -1, 77, 78,
+ 79, 80, 81, 82, 83, -1, 85, 86, -1, -1,
+ -1, -1, -1, -1, -1, 94, 95, 96, 97, 98,
+ 99
+};
+/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
+#line 3 "/usr/share/bison/bison.simple"
+
+/* Skeleton output parser for bison,
+
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software
+ Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* As a special exception, when this file is copied by Bison into a
+ Bison output file, you may use that output file without restriction.
+ This special exception was added by the Free Software Foundation
+ in version 1.24 of Bison. */
+
+/* This is the parser code that is written into each bison parser when
+ the %semantic_parser declaration is not specified in the grammar.
+ It was written by Richard Stallman by simplifying the hairy parser
+ used when %semantic_parser is specified. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# if YYSTACK_USE_ALLOCA
+# define YYSTACK_ALLOC alloca
+# else
+# ifndef YYSTACK_USE_ALLOCA
+# if defined (alloca) || defined (_ALLOCA_H)
+# define YYSTACK_ALLOC alloca
+# else
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# else
+# if defined (__STDC__) || defined (__cplusplus)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+# define YYSTACK_ALLOC malloc
+# define YYSTACK_FREE free
+# endif
+#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */
+
+
+#if (! defined (yyoverflow) \
+ && (! defined (__cplusplus) \
+ || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ short yyss;
+ YYSTYPE yyvs;
+# if YYLSP_NEEDED
+ YYLTYPE yyls;
+# endif
+};
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# if YYLSP_NEEDED
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ + 2 * YYSTACK_GAP_MAX)
+# else
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (short) + sizeof (YYSTYPE)) \
+ + YYSTACK_GAP_MAX)
+# endif
+
+/* Copy COUNT objects from FROM to TO. The source and destination do
+ not overlap. */
+# ifndef YYCOPY
+# if 1 < __GNUC__
+# define YYCOPY(To, From, Count) \
+ __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+# else
+# define YYCOPY(To, From, Count) \
+ do \
+ { \
+ register YYSIZE_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (To)[yyi] = (From)[yyi]; \
+ } \
+ while (0)
+# endif
+# endif
+
+/* Relocate STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ YYCOPY (&yyptr->Stack, Stack, yysize); \
+ Stack = &yyptr->Stack; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (0)
+
+#endif
+
+
+#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
+# define YYSIZE_T __SIZE_TYPE__
+#endif
+#if ! defined (YYSIZE_T) && defined (size_t)
+# define YYSIZE_T size_t
+#endif
+#if ! defined (YYSIZE_T)
+# if defined (__STDC__) || defined (__cplusplus)
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+#endif
+#if ! defined (YYSIZE_T)
+# define YYSIZE_T unsigned int
+#endif
+
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+#define YYEMPTY -2
+#define YYEOF 0
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrlab1
+/* Like YYERROR except do call yyerror. This remains here temporarily
+ to ease the transition to the new meaning of YYERROR, for GCC.
+ Once GCC version 2 has supplanted version 1, this can go. */
+#define YYFAIL goto yyerrlab
+#define YYRECOVERING() (!!yyerrstatus)
+#define YYBACKUP(Token, Value) \
+do \
+ if (yychar == YYEMPTY && yylen == 1) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ yychar1 = YYTRANSLATE (yychar); \
+ YYPOPSTACK; \
+ goto yybackup; \
+ } \
+ else \
+ { \
+ yyerror ("syntax error: cannot back up"); \
+ YYERROR; \
+ } \
+while (0)
+
+#define YYTERROR 1
+#define YYERRCODE 256
+
+
+/* YYLLOC_DEFAULT -- Compute the default location (before the actions
+ are run).
+
+ When YYLLOC_DEFAULT is run, CURRENT is set the location of the
+ first token. By default, to implement support for ranges, extend
+ its range to the last symbol. */
+
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ Current.last_line = Rhs[N].last_line; \
+ Current.last_column = Rhs[N].last_column;
+#endif
+
+
+/* YYLEX -- calling `yylex' with the right arguments. */
+
+#if YYPURE
+# if YYLSP_NEEDED
+# ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
+# else
+# define YYLEX yylex (&yylval, &yylloc)
+# endif
+# else /* !YYLSP_NEEDED */
+# ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, YYLEX_PARAM)
+# else
+# define YYLEX yylex (&yylval)
+# endif
+# endif /* !YYLSP_NEEDED */
+#else /* !YYPURE */
+# define YYLEX yylex ()
+#endif /* !YYPURE */
+
+
+/* Enable debugging if requested. */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (0)
+/* Nonzero means print parse trace. It is left uninitialized so that
+ multiple parsers can coexist. */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+#endif /* !YYDEBUG */
+
+/* YYINITDEPTH -- initial size of the parser's stacks. */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
+
+ Do not make this value too large; the results are undefined if
+ SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
+
+#if YYMAXDEPTH == 0
+# undef YYMAXDEPTH
+#endif
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+\f
+#ifdef YYERROR_VERBOSE
+
+# ifndef yystrlen
+# if defined (__GLIBC__) && defined (_STRING_H)
+# define yystrlen strlen
+# else
+/* Return the length of YYSTR. */
+static YYSIZE_T
+# if defined (__STDC__) || defined (__cplusplus)
+yystrlen (const char *yystr)
+# else
+yystrlen (yystr)
+ const char *yystr;
+# endif
+{
+ register const char *yys = yystr;
+
+ while (*yys++ != '\0')
+ continue;
+
+ return yys - yystr - 1;
+}
+# endif
+# endif
+
+# ifndef yystpcpy
+# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
+# define yystpcpy stpcpy
+# else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+ YYDEST. */
+static char *
+# if defined (__STDC__) || defined (__cplusplus)
+yystpcpy (char *yydest, const char *yysrc)
+# else
+yystpcpy (yydest, yysrc)
+ char *yydest;
+ const char *yysrc;
+# endif
+{
+ register char *yyd = yydest;
+ register const char *yys = yysrc;
+
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
+
+ return yyd - 1;
+}
+# endif
+# endif
+#endif
+\f
+#line 315 "/usr/share/bison/bison.simple"
+
+
+/* The user can define YYPARSE_PARAM as the name of an argument to be passed
+ into yyparse. The argument should have type void *.
+ It should actually point to an object.
+ Grammar actions can access the variable by casting it
+ to the proper pointer type. */
+
+#ifdef YYPARSE_PARAM
+# if defined (__STDC__) || defined (__cplusplus)
+# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
+# define YYPARSE_PARAM_DECL
+# else
+# define YYPARSE_PARAM_ARG YYPARSE_PARAM
+# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
+# endif
+#else /* !YYPARSE_PARAM */
+# define YYPARSE_PARAM_ARG
+# define YYPARSE_PARAM_DECL
+#endif /* !YYPARSE_PARAM */
+
+/* Prevent warning if -Wstrict-prototypes. */
+#ifdef __GNUC__
+# ifdef YYPARSE_PARAM
+int yyparse (void *);
+# else
+int yyparse (void);
+# endif
+#endif
+
+/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
+ variables are global, or local to YYPARSE. */
+
+#define YY_DECL_NON_LSP_VARIABLES \
+/* The lookahead symbol. */ \
+int yychar; \
+ \
+/* The semantic value of the lookahead symbol. */ \
+YYSTYPE yylval; \
+ \
+/* Number of parse errors so far. */ \
+int yynerrs;
+
+#if YYLSP_NEEDED
+# define YY_DECL_VARIABLES \
+YY_DECL_NON_LSP_VARIABLES \
+ \
+/* Location data for the lookahead symbol. */ \
+YYLTYPE yylloc;
+#else
+# define YY_DECL_VARIABLES \
+YY_DECL_NON_LSP_VARIABLES
+#endif
+
+
+/* If nonreentrant, generate the variables here. */
+
+#if !YYPURE
+YY_DECL_VARIABLES
+#endif /* !YYPURE */
+
+int
+yyparse (YYPARSE_PARAM_ARG)
+ YYPARSE_PARAM_DECL
+{
+ /* If reentrant, generate the variables here. */
+#if YYPURE
+ YY_DECL_VARIABLES
+#endif /* !YYPURE */
+
+ register int yystate;
+ register int yyn;
+ int yyresult;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus;
+ /* Lookahead token as an internal (translated) token number. */
+ int yychar1 = 0;
+
+ /* Three stacks and their tools:
+ `yyss': related to states,
+ `yyvs': related to semantic values,
+ `yyls': related to locations.
+
+ Refer to the stacks thru separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* The state stack. */
+ short yyssa[YYINITDEPTH];
+ short *yyss = yyssa;
+ register short *yyssp;
+
+ /* The semantic value stack. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs = yyvsa;
+ register YYSTYPE *yyvsp;
+
+#if YYLSP_NEEDED
+ /* The location stack. */
+ YYLTYPE yylsa[YYINITDEPTH];
+ YYLTYPE *yyls = yylsa;
+ YYLTYPE *yylsp;
+#endif
+
+#if YYLSP_NEEDED
+# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
+#else
+# define YYPOPSTACK (yyvsp--, yyssp--)
+#endif
+
+ YYSIZE_T yystacksize = YYINITDEPTH;
+
+
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+#if YYLSP_NEEDED
+ YYLTYPE yyloc;
+#endif
+
+ /* When reducing, the number of symbols on the RHS of the reduced
+ rule. */
+ int yylen;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ yystate = 0;
+ yyerrstatus = 0;
+ yynerrs = 0;
+ yychar = YYEMPTY; /* Cause a token to be read. */
+
+ /* Initialize stack pointers.
+ Waste one element of value and location stack
+ so that they stay on the same level as the state stack.
+ The wasted elements are never initialized. */
+
+ yyssp = yyss;
+ yyvsp = yyvs;
+#if YYLSP_NEEDED
+ yylsp = yyls;
+#endif
+ goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+ yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. so pushing a state here evens the stacks.
+ */
+ yyssp++;
+
+ yysetstate:
+ *yyssp = yystate;
+
+ if (yyssp >= yyss + yystacksize - 1)
+ {
+ /* Get the current used size of the three stacks, in elements. */
+ YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+ {
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ short *yyss1 = yyss;
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. */
+# if YYLSP_NEEDED
+ YYLTYPE *yyls1 = yyls;
+ /* This used to be a conditional around just the two extra args,
+ but that might be undefined if yyoverflow is a macro. */
+ yyoverflow ("parser stack overflow",
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+ &yyls1, yysize * sizeof (*yylsp),
+ &yystacksize);
+ yyls = yyls1;
+# else
+ yyoverflow ("parser stack overflow",
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+ &yystacksize);
+# endif
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+ goto yyoverflowlab;
+# else
+ /* Extend the stack our own way. */
+ if (yystacksize >= YYMAXDEPTH)
+ goto yyoverflowlab;
+ yystacksize *= 2;
+ if (yystacksize > YYMAXDEPTH)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ short *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyoverflowlab;
+ YYSTACK_RELOCATE (yyss);
+ YYSTACK_RELOCATE (yyvs);
+# if YYLSP_NEEDED
+ YYSTACK_RELOCATE (yyls);
+# endif
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
+#endif /* no yyoverflow */
+
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+#if YYLSP_NEEDED
+ yylsp = yyls + yysize - 1;
+#endif
+
+ YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
+
+ if (yyssp >= yyss + yystacksize - 1)
+ YYABORT;
+ }
+
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+ goto yybackup;
+
+
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
+
+/* Do appropriate processing given the current state. */
+/* Read a lookahead token if we need one and don't already have one. */
+/* yyresume: */
+
+ /* First try to decide what to do without reference to lookahead token. */
+
+ yyn = yypact[yystate];
+ if (yyn == YYFLAG)
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* yychar is either YYEMPTY or YYEOF
+ or a valid token in external form. */
+
+ if (yychar == YYEMPTY)
+ {
+ YYDPRINTF ((stderr, "Reading a token: "));
+ yychar = YYLEX;
+ }
+
+ /* Convert token to internal form (in yychar1) for indexing tables with */
+
+ if (yychar <= 0) /* This means end of input. */
+ {
+ yychar1 = 0;
+ yychar = YYEOF; /* Don't call YYLEX any more */
+
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
+ }
+ else
+ {
+ yychar1 = YYTRANSLATE (yychar);
+
+#if YYDEBUG
+ /* We have to keep this `#if YYDEBUG', since we use variables
+ which are defined only if `YYDEBUG' is set. */
+ if (yydebug)
+ {
+ YYFPRINTF (stderr, "Next token is %d (%s",
+ yychar, yytname[yychar1]);
+ /* Give the individual parser a way to print the precise
+ meaning of a token, for further debugging info. */
+# ifdef YYPRINT
+ YYPRINT (stderr, yychar, yylval);
+# endif
+ YYFPRINTF (stderr, ")\n");
+ }
+#endif
+ }
+
+ yyn += yychar1;
+ if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
+ goto yydefault;
+
+ yyn = yytable[yyn];
+
+ /* yyn is what to do for this token type in this state.
+ Negative => reduce, -yyn is rule number.
+ Positive => shift, yyn is new state.
+ New state is final state => don't bother to shift,
+ just return success.
+ 0, or most negative number => error. */
+
+ if (yyn < 0)
+ {
+ if (yyn == YYFLAG)
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+ else if (yyn == 0)
+ goto yyerrlab;
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+ /* Shift the lookahead token. */
+ YYDPRINTF ((stderr, "Shifting token %d (%s), ",
+ yychar, yytname[yychar1]));
+
+ /* Discard the token being shifted unless it is eof. */
+ if (yychar != YYEOF)
+ yychar = YYEMPTY;
+
+ *++yyvsp = yylval;
+#if YYLSP_NEEDED
+ *++yylsp = yylloc;
+#endif
+
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+ goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction. |
+`-----------------------------*/
+yyreduce:
+ /* yyn is the number of a rule to reduce with. */
+ yylen = yyr2[yyn];
+
+ /* If YYLEN is nonzero, implement the default value of the action:
+ `$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to the semantic value of
+ the lookahead token. This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+#if YYLSP_NEEDED
+ /* Similarly for the default location. Let the user run additional
+ commands if for instance locations are ranges. */
+ yyloc = yylsp[1-yylen];
+ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
+#endif
+
+#if YYDEBUG
+ /* We have to keep this `#if YYDEBUG', since we use variables which
+ are defined only if `YYDEBUG' is set. */
+ if (yydebug)
+ {
+ int yyi;
+
+ YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
+ yyn, yyrline[yyn]);
+
+ /* Print the symbols being reduced, and their result. */
+ for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
+ YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
+ YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
+ }
+#endif
+
+ switch (yyn) {
+
+case 2:
+#line 132 "inform.y"
+{ lex_offset = n_strlen(lex_expression); }
+ break;
+case 3:
+#line 134 "inform.y"
+{
+ strid_t f;
+ f = n_file_name_or_prompt(fileusage_Data|fileusage_BinaryMode,
+ filemode_Write, lex_tail());
+ w_glk_put_buffer_stream(f, (char *) z_memory, total_size);
+ glk_stream_close(f, NULL);
+ }
+ break;
+case 4:
+#line 142 "inform.y"
+{ parse_new_alias(lex_tail(), FALSE); }
+ break;
+case 5:
+#line 144 "inform.y"
+{ parse_new_alias(lex_tail(), TRUE); }
+ break;
+case 6:
+#line 146 "inform.y"
+{ remove_alias(lex_tail()); }
+ break;
+case 7:
+#line 148 "inform.y"
+{ automap_init(object_count, lex_tail()); }
+ break;
+case 8:
+#line 150 "inform.y"
+{ inform_help(); }
+ break;
+case 9:
+#line 152 "inform.y"
+{ op_restart(); exit_debugger = TRUE; read_abort = TRUE; }
+ break;
+case 10:
+#line 154 "inform.y"
+{
+ if(restoregame()) {
+ exit_debugger = TRUE; read_abort = TRUE;
+ if(zversion <= 3)
+ mop_take_branch();
+ else
+ mop_store_result(2);
+ } else {
+ infix_print_string("Restore failed.\n");
+ } }
+ break;
+case 11:
+#line 165 "inform.y"
+{ zword oldop0 = operand[0]; operand[0] = 4; op_output_stream(); operand[0] = oldop0; }
+ break;
+case 12:
+#line 167 "inform.y"
+{ zword oldop0 = operand[0]; operand[0] = neg(4); op_output_stream(); operand[0] = oldop0; }
+ break;
+case 13:
+#line 169 "inform.y"
+{ zword oldop0 = operand[0]; operand[0] = 1; op_input_stream(); operand[0] = oldop0; exit_debugger = TRUE; }
+ break;
+case 14:
+#line 171 "inform.y"
+{ zword oldop0 = operand[0]; operand[0] = 0; op_input_stream(); operand[0] = oldop0; }
+ break;
+case 15:
+#line 173 "inform.y"
+{ z_close(); glk_exit(); }
+ break;
+case 16:
+#line 175 "inform.y"
+{
+ if(restoreundo()) {
+ read_abort = TRUE; exit_debugger = TRUE;
+ } else {
+ infix_print_string("No undo slots.\n");
+ } }
+ break;
+case 17:
+#line 182 "inform.y"
+{
+ if(restoreredo()) {
+ read_abort = TRUE; exit_debugger = TRUE;
+ } else {
+ infix_print_string("No redo slots.\n");
+ } }
+ break;
+case 18:
+#line 189 "inform.y"
+{
+ strid_t f;
+ f = n_file_name_or_prompt(fileusage_Data|fileusage_BinaryMode,
+ filemode_Read, lex_tail());
+ if(f) {
+ kill_infix();
+ init_infix(f);
+ } }
+ break;
+case 19:
+#line 198 "inform.y"
+{ infix_display(yyvsp[0].val); }
+ break;
+case 20:
+#line 200 "inform.y"
+{ inform_result = yyvsp[0].val; }
+ break;
+case 21:
+#line 202 "inform.y"
+{ infix_auto_display(lex_tail()); }
+ break;
+case 22:
+#line 204 "inform.y"
+{ infix_auto_undisplay(yyvsp[0].val.v); }
+ break;
+case 23:
+#line 206 "inform.y"
+{ infix_set_display_enabled(yyvsp[0].val.v, FALSE); }
+ break;
+case 24:
+#line 208 "inform.y"
+{ infix_set_display_enabled(yyvsp[0].val.v, TRUE); }
+ break;
+case 25:
+#line 210 "inform.y"
+{ infix_move(yyvsp[0].val.v, yyvsp[-2].val.v); }
+ break;
+case 26:
+#line 212 "inform.y"
+{ infix_object_tree(0); }
+ break;
+case 27:
+#line 214 "inform.y"
+{ infix_object_tree(yyvsp[0].val.v); }
+ break;
+case 28:
+#line 216 "inform.y"
+{
+ if(lex_expression[lex_offset])
+ infix_object_find(lex_tail());
+ }
+ break;
+case 29:
+#line 221 "inform.y"
+{
+ z_typed v; v.t = Z_GLOBAL;
+ for(v.o = 0; v.o <= 245; v.o++) {
+ const char *name = infix_get_name(v);
+ if(v.o) infix_print_string("; ");
+ if(name) {
+ infix_print_string(name);
+ } else {
+ infix_print_char('G');
+ infix_print_number(v.o);
+ }
+ infix_print_char('=');
+ infix_get_val(&v);
+ infix_print_number(v.v);
+ }
+ infix_print_char(10);
+ }
+ break;
+case 30:
+#line 239 "inform.y"
+{
+ z_typed v; v.t = Z_GLOBAL;
+ for(v.o = 0; v.o <= 245; v.o++) {
+ infix_get_val(&v);
+ if(v.v == yyvsp[0].val.v) {
+ const char *name = infix_get_name(v);
+ if(name) {
+ infix_print_string(name);
+ } else {
+ infix_print_char('G');
+ infix_print_number(v.o);
+ }
+ infix_print_char(10);
+ }
+ } }
+ break;
+case 31:
+#line 255 "inform.y"
+{ infix_set_attrib(yyvsp[-1].val.v, yyvsp[0].val.v); }
+ break;
+case 32:
+#line 257 "inform.y"
+{ infix_clear_attrib(yyvsp[-2].val.v, yyvsp[0].val.v); }
+ break;
+case 33:
+#line 259 "inform.y"
+{ infix_remove(yyvsp[0].val.v); }
+ break;
+case 34:
+#line 261 "inform.y"
+{ PC=yyvsp[0].pcoffset; exit_debugger = TRUE; }
+ break;
+case 35:
+#line 263 "inform.y"
+{ set_step(CONT_GO, 1); }
+ break;
+case 36:
+#line 265 "inform.y"
+{ set_step(CONT_GO, 1); infix_set_ignore(cur_break, yyvsp[0].val.v); }
+ break;
+case 37:
+#line 267 "inform.y"
+{ set_step(CONT_STEP, 1); }
+ break;
+case 38:
+#line 269 "inform.y"
+{ set_step(CONT_STEP, yyvsp[0].val.v); }
+ break;
+case 39:
+#line 271 "inform.y"
+{ set_step(CONT_NEXT, 1); }
+ break;
+case 40:
+#line 273 "inform.y"
+{ set_step(CONT_NEXT, yyvsp[0].val.v); }
+ break;
+case 41:
+#line 275 "inform.y"
+{ set_step(CONT_UNTIL, 1); }
+ break;
+case 42:
+#line 277 "inform.y"
+{ set_step(CONT_STEPI, 1); }
+ break;
+case 43:
+#line 279 "inform.y"
+{ set_step(CONT_STEPI, yyvsp[0].val.v); }
+ break;
+case 44:
+#line 281 "inform.y"
+{ set_step(CONT_NEXTI, 1); }
+ break;
+case 45:
+#line 283 "inform.y"
+{ set_step(CONT_NEXTI, yyvsp[0].val.v); }
+ break;
+case 46:
+#line 285 "inform.y"
+{ set_step(CONT_FINISH, 1); }
+ break;
+case 47:
+#line 287 "inform.y"
+{ infix_set_break(yyvsp[0].pcoffset); }
+ break;
+case 48:
+#line 289 "inform.y"
+{ int n = infix_set_break(yyvsp[-1].pcoffset); infix_set_cond(n, lex_tail()); }
+ break;
+case 49:
+#line 291 "inform.y"
+{ infix_set_cond(yyvsp[0].val.v, lex_tail()); }
+ break;
+case 50:
+#line 293 "inform.y"
+{ infix_set_ignore(yyvsp[-1].val.v, yyvsp[0].val.v); }
+ break;
+case 51:
+#line 295 "inform.y"
+{ infix_delete_breakpoint(yyvsp[0].val.v); }
+ break;
+case 52:
+#line 297 "inform.y"
+{ infix_show_all_breakpoints(); }
+ break;
+case 53:
+#line 299 "inform.y"
+{ infix_show_breakpoint(yyvsp[0].val.v); }
+ break;
+case 54:
+#line 301 "inform.y"
+{ infix_set_break_enabled(yyvsp[0].val.v, FALSE); }
+ break;
+case 55:
+#line 303 "inform.y"
+{ infix_set_break_enabled(yyvsp[0].val.v, TRUE); }
+ break;
+case 56:
+#line 305 "inform.y"
+{ infix_print_string("The current source language is \"inform\".\n"); }
+ break;
+case 57:
+#line 307 "inform.y"
+{ infix_print_string("Current source file is "); infix_print_string(cur_file?cur_file->filename:"unknown"); infix_print_string("\nContains "); infix_print_number(cur_file?cur_file->num_lines:0); infix_print_string(" lines.\nSource language is inform.\n"); }
+ break;
+case 58:
+#line 309 "inform.y"
+{ infix_print_string("Source files for which symbols have been read in:\n\n"); infix_list_files(); infix_print_char('\n'); }
+ break;
+case 59:
+#line 311 "inform.y"
+{ show_copying(); }
+ break;
+case 60:
+#line 313 "inform.y"
+{ show_warranty(); }
+ break;
+case 61:
+#line 315 "inform.y"
+{ infix_show_frame(infix_selected_frame); }
+ break;
+case 62:
+#line 317 "inform.y"
+{ infix_select_frame(yyvsp[0].val.v); infix_show_frame(yyvsp[0].val.v); }
+ break;
+case 63:
+#line 319 "inform.y"
+{ infix_select_frame(yyvsp[0].val.v); }
+ break;
+case 64:
+#line 321 "inform.y"
+{ infix_select_frame(infix_selected_frame - 1); infix_show_frame(infix_selected_frame); }
+ break;
+case 65:
+#line 323 "inform.y"
+{ infix_select_frame(infix_selected_frame - yyvsp[0].val.v); infix_show_frame(infix_selected_frame); }
+ break;
+case 66:
+#line 325 "inform.y"
+{ infix_select_frame(infix_selected_frame - 1); }
+ break;
+case 67:
+#line 327 "inform.y"
+{ infix_select_frame(infix_selected_frame - yyvsp[0].val.v); }
+ break;
+case 68:
+#line 329 "inform.y"
+{ infix_select_frame(infix_selected_frame + 1); infix_show_frame(infix_selected_frame); }
+ break;
+case 69:
+#line 331 "inform.y"
+{ infix_select_frame(infix_selected_frame + yyvsp[0].val.v); infix_show_frame(infix_selected_frame); }
+ break;
+case 70:
+#line 333 "inform.y"
+{ infix_select_frame(infix_selected_frame + 1); }
+ break;
+case 71:
+#line 335 "inform.y"
+{ infix_select_frame(infix_selected_frame + yyvsp[0].val.v); }
+ break;
+case 72:
+#line 337 "inform.y"
+{ infix_backtrace(0, stack_get_depth()); }
+ break;
+case 73:
+#line 339 "inform.y"
+{ infix_backtrace(stack_get_depth() - yyvsp[0].val.v, yyvsp[0].val.v); }
+ break;
+case 74:
+#line 341 "inform.y"
+{ infix_backtrace(0, yyvsp[0].val.v); }
+ break;
+case 75:
+#line 349 "inform.y"
+{ if(yyvsp[0].val.t == Z_ROUTINE) yyval.pcoffset = infix_get_routine_PC(yyvsp[0].val.v); else { infix_location l; infix_decode_fileloc(&l, cur_file?cur_file->filename:"", yyvsp[0].val.v); yyval.pcoffset = l.thisPC; } }
+ break;
+case 76:
+#line 350 "inform.y"
+{ infix_location l; infix_decode_fileloc(&l, cur_file?cur_file->filename:"", cur_line + yyvsp[0].val.v); yyval.pcoffset = l.thisPC; }
+ break;
+case 77:
+#line 351 "inform.y"
+{ infix_location l; infix_decode_fileloc(&l, cur_file?cur_file->filename:"", cur_line - yyvsp[0].val.v); yyval.pcoffset = l.thisPC; }
+ break;
+case 78:
+#line 352 "inform.y"
+{ if(yyvsp[0].val.t == Z_ROUTINE) yyval.pcoffset = UNPACKR(yyvsp[0].val.v); else { infix_location l; infix_decode_fileloc(&l, yyvsp[-2].filenum->filename, yyvsp[0].val.v); yyval.pcoffset = l.thisPC; } }
+ break;
+case 79:
+#line 353 "inform.y"
+{ yyval.pcoffset = yyvsp[0].val.v; }
+ break;
+case 80:
+#line 357 "inform.y"
+{
+ if(condlist->condfunc(condlist->val, yyvsp[0].val.v) ^ condlist->opposite) {
+ yyval.flag = TRUE;
+ ignoreeffects++;
+ } else
+ yyval.flag = FALSE;
+ }
+ break;
+case 81:
+#line 364 "inform.y"
+{
+ if(yyvsp[-2].flag)
+ yyval.flag = TRUE;
+ else {
+ if(condlist->condfunc(condlist->val, yyvsp[0].val.v) ^ condlist->opposite) {
+ yyval.flag = TRUE;
+ ignoreeffects++;
+ }
+ else yyval.flag = FALSE;
+ } }
+ break;
+case 82:
+#line 377 "inform.y"
+{ yyval.zlist = NULL; }
+ break;
+case 83:
+#line 378 "inform.y"
+{ zword_list g; yyval.zlist = yyvsp[0].zlist; g.item = yyvsp[-2].val.v; LEaddm(yyval.zlist, g, n_rmmalloc); }
+ break;
+case 86:
+#line 384 "inform.y"
+{ yyval.val = yyvsp[0].val; }
+ break;
+case 87:
+#line 385 "inform.y"
+{ yyval.val = yyvsp[0].val; }
+ break;
+case 88:
+#line 390 "inform.y"
+{ cond_list newcond; newcond.val = yyvsp[-1].val.v; newcond.condfunc = yyvsp[0].cond.condfunc; newcond.opposite = yyvsp[0].cond.opposite; LEaddm(condlist, newcond, n_rmmalloc); }
+ break;
+case 89:
+#line 390 "inform.y"
+{ if(yyvsp[0].flag) ignoreeffects--; yyval.val.v = yyvsp[0].flag; yyval.val.t = Z_BOOLEAN; LEremovem(condlist, n_rmfreeone); }
+ break;
+case 90:
+#line 395 "inform.y"
+{ yyval.val = yyvsp[0].val; }
+ break;
+case 91:
+#line 397 "inform.y"
+{ yyval.val.v = 0; yyval.val.t = Z_BOOLEAN; }
+ break;
+case 92:
+#line 399 "inform.y"
+{ yyval.val.v = 1; yyval.val.t = Z_BOOLEAN; }
+ break;
+case 93:
+#line 401 "inform.y"
+{ yyval.val.v = 0; yyval.val.t = Z_OBJECT; }
+ break;
+case 94:
+#line 404 "inform.y"
+{ yyval.val = yyvsp[0].val; infix_assign(&yyvsp[-2].val, yyvsp[0].val.v); }
+ break;
+case 95:
+#line 407 "inform.y"
+{ yyval.val.v = infix_parent(yyvsp[-1].val.v); yyval.val.t = Z_OBJECT; }
+ break;
+case 96:
+#line 409 "inform.y"
+{ yyval.val.v = infix_child(yyvsp[-1].val.v); yyval.val.t = Z_OBJECT; }
+ break;
+case 97:
+#line 411 "inform.y"
+{ yyval.val.v = infix_sibling(yyvsp[-1].val.v); yyval.val.t = Z_OBJECT; }
+ break;
+case 98:
+#line 413 "inform.y"
+{ int n = 0; zword o = infix_child(yyvsp[-1].val.v); while(o) { n++; o = infix_sibling(o); } yyval.val.v = n; yyval.val.t = Z_NUMBER; }
+ break;
+case 99:
+#line 416 "inform.y"
+{
+ if(!ignoreeffects) {
+ yyval.val.v = z_random(yyvsp[-1].val.v);
+ yyval.val.t = Z_NUMBER;
+ } else {
+ yyval.val.v = 0;
+ yyval.val.t = Z_UNKNOWN;
+ }
+ }
+ break;
+case 100:
+#line 426 "inform.y"
+{
+ zword locals[16];
+ int i = 0;
+ zword_list *p;
+ if(!ignoreeffects) {
+ for(p = yyvsp[-1].zlist; p && i < 16; p=p->next) {
+ locals[i++] = p->item;
+ }
+ mop_call(yyvsp[-3].val.v, i, locals, -2);
+ decode();
+ exit_decoder = FALSE;
+ yyval.val.v = time_ret; yyval.val.t = Z_UNKNOWN;
+ } else {
+ yyval.val.v = 0; yyval.val.t = Z_UNKNOWN;
+ }
+ }
+ break;
+case 101:
+#line 443 "inform.y"
+{ if(yyvsp[-1].val.v == 0) ignoreeffects++; }
+ break;
+case 102:
+#line 444 "inform.y"
+{ if(yyvsp[-3].val.v == 0) ignoreeffects--; yyval.val = z_t(yyvsp[-3].val, yyvsp[0].val, yyvsp[-3].val.v && yyvsp[0].val.v); }
+ break;
+case 103:
+#line 445 "inform.y"
+{ if(yyvsp[-1].val.v != 0) ignoreeffects++; }
+ break;
+case 104:
+#line 446 "inform.y"
+{ if(yyvsp[-3].val.v != 0) ignoreeffects--; yyval.val = z_t(yyvsp[-3].val, yyvsp[0].val, yyvsp[-3].val.v || yyvsp[0].val.v); }
+ break;
+case 105:
+#line 448 "inform.y"
+{ yyval.val.v = !(yyvsp[0].val.v); yyval.val.t = Z_NUMBER; }
+ break;
+case 106:
+#line 451 "inform.y"
+{ yyval.val = z_t(yyvsp[-2].val, yyvsp[0].val, yyvsp[-2].val.v + yyvsp[0].val.v); }
+ break;
+case 107:
+#line 453 "inform.y"
+{ yyval.val = z_t(yyvsp[-2].val, yyvsp[0].val, yyvsp[-2].val.v + neg(yyvsp[0].val.v)); }
+ break;
+case 108:
+#line 455 "inform.y"
+{ yyval.val = z_t(yyvsp[-2].val, yyvsp[0].val, z_mult(yyvsp[-2].val.v, yyvsp[0].val.v)); }
+ break;
+case 109:
+#line 457 "inform.y"
+{ yyval.val = z_t(yyvsp[-2].val, yyvsp[0].val, z_div(yyvsp[-2].val.v, yyvsp[0].val.v)); }
+ break;
+case 110:
+#line 459 "inform.y"
+{ yyval.val = z_t(yyvsp[-2].val, yyvsp[0].val, z_mod(yyvsp[-2].val.v, yyvsp[0].val.v)); }
+ break;
+case 111:
+#line 461 "inform.y"
+{ yyval.val = z_t(yyvsp[-2].val, yyvsp[0].val, yyvsp[-2].val.v & yyvsp[0].val.v); }
+ break;
+case 112:
+#line 463 "inform.y"
+{ yyval.val = z_t(yyvsp[-2].val, yyvsp[0].val, yyvsp[-2].val.v | yyvsp[0].val.v); }
+ break;
+case 113:
+#line 465 "inform.y"
+{ yyval.val = z_t(yyvsp[0].val, yyvsp[0].val, ~yyvsp[0].val.v); }
+ break;
+case 114:
+#line 468 "inform.y"
+{ yyval.val.t = Z_BYTEARRAY; yyval.val.o = yyvsp[-2].val.v; yyval.val.p = yyvsp[0].val.v; infix_get_val(&yyval.val); }
+ break;
+case 115:
+#line 470 "inform.y"
+{ yyval.val.t = Z_WORDARRAY; yyval.val.o = yyvsp[-2].val.v; yyval.val.p = yyvsp[0].val.v; infix_get_val(&yyval.val); }
+ break;
+case 116:
+#line 473 "inform.y"
+{ yyval.val = z_t(yyvsp[0].val, yyvsp[0].val, neg(yyvsp[0].val.v)); }
+ break;
+case 117:
+#line 476 "inform.y"
+{ if(!ignoreeffects) infix_assign(&yyvsp[0].val, ARITHMASK(yyvsp[0].val.v + 1)); yyval.val = yyvsp[0].val; }
+ break;
+case 118:
+#line 478 "inform.y"
+{ yyval.val = yyvsp[-1].val; if(!ignoreeffects) infix_assign(&yyvsp[-1].val, ARITHMASK(yyvsp[-1].val.v + 1)); }
+ break;
+case 119:
+#line 480 "inform.y"
+{ if(!ignoreeffects) infix_assign(&yyvsp[0].val, ARITHMASK(yyvsp[0].val.v + neg(1))); yyval.val = yyvsp[0].val; }
+ break;
+case 120:
+#line 482 "inform.y"
+{ yyval.val = yyvsp[-1].val; if(!ignoreeffects) infix_assign(&yyvsp[-1].val, ARITHMASK(yyvsp[-1].val.v + neg(1))); }
+ break;
+case 121:
+#line 485 "inform.y"
+{ zword len; yyval.val.v = infix_get_proptable(yyvsp[-2].val.v, yyvsp[0].val.v, &len); yyval.val.t = Z_NUMBER; }
+ break;
+case 122:
+#line 487 "inform.y"
+{ infix_get_proptable(yyvsp[-2].val.v, yyvsp[0].val.v, &yyval.val.v); yyval.val.t = Z_NUMBER; }
+ break;
+case 123:
+#line 490 "inform.y"
+{ yyval.val.t = Z_OBJPROP; yyval.val.o = yyvsp[-2].val.v; yyval.val.p = yyvsp[0].val.v; infix_get_val(&yyval.val); }
+ break;
+case 124:
+#line 498 "inform.y"
+{ yyval.val.v = yyvsp[0].val.v; yyval.val.t = Z_NUMBER; }
+ break;
+case 125:
+#line 500 "inform.y"
+{ yyval.val.v = yyvsp[0].val.v; yyval.val.t = Z_OBJECT; }
+ break;
+case 126:
+#line 502 "inform.y"
+{ yyval.val.v = yyvsp[0].val.v; yyval.val.t = Z_ROUTINE; }
+ break;
+case 127:
+#line 504 "inform.y"
+{ yyval.val.v = yyvsp[0].val.v; yyval.val.t = Z_STRING; }
+ break;
+case 128:
+#line 506 "inform.y"
+{ yyval.val.t = Z_WORDARRAY; yyval.val.o = z_globaltable; yyval.val.p = yyvsp[0].val.v; infix_get_val(&yyval.val); }
+ break;
+case 129:
+#line 508 "inform.y"
+{ yyval.val.t = Z_LOCAL; yyval.val.o = infix_selected_frame; yyval.val.p = yyvsp[0].val.v; infix_get_val(&yyval.val); }
+ break;
+case 130:
+#line 510 "inform.y"
+{ yyval.val = yyvsp[-1].val; }
+ break;
+}
+
+#line 705 "/usr/share/bison/bison.simple"
+
+\f
+ yyvsp -= yylen;
+ yyssp -= yylen;
+#if YYLSP_NEEDED
+ yylsp -= yylen;
+#endif
+
+#if YYDEBUG
+ if (yydebug)
+ {
+ short *yyssp1 = yyss - 1;
+ YYFPRINTF (stderr, "state stack now");
+ while (yyssp1 != yyssp)
+ YYFPRINTF (stderr, " %d", *++yyssp1);
+ YYFPRINTF (stderr, "\n");
+ }
+#endif
+
+ *++yyvsp = yyval;
+#if YYLSP_NEEDED
+ *++yylsp = yyloc;
+#endif
+
+ /* Now `shift' the result of the reduction. Determine what state
+ that goes to, based on the state we popped back to and the rule
+ number reduced by. */
+
+ yyn = yyr1[yyn];
+
+ yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
+ if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yytable[yystate];
+ else
+ yystate = yydefgoto[yyn - YYNTBASE];
+
+ goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
+ {
+ ++yynerrs;
+
+#ifdef YYERROR_VERBOSE
+ yyn = yypact[yystate];
+
+ if (yyn > YYFLAG && yyn < YYLAST)
+ {
+ YYSIZE_T yysize = 0;
+ char *yymsg;
+ int yyx, yycount;
+
+ yycount = 0;
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ for (yyx = yyn < 0 ? -yyn : 0;
+ yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
+ if (yycheck[yyx + yyn] == yyx)
+ yysize += yystrlen (yytname[yyx]) + 15, yycount++;
+ yysize += yystrlen ("parse error, unexpected ") + 1;
+ yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
+ yymsg = (char *) YYSTACK_ALLOC (yysize);
+ if (yymsg != 0)
+ {
+ char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
+ yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);
+
+ if (yycount < 5)
+ {
+ yycount = 0;
+ for (yyx = yyn < 0 ? -yyn : 0;
+ yyx < (int) (sizeof (yytname) / sizeof (char *));
+ yyx++)
+ if (yycheck[yyx + yyn] == yyx)
+ {
+ const char *yyq = ! yycount ? ", expecting " : " or ";
+ yyp = yystpcpy (yyp, yyq);
+ yyp = yystpcpy (yyp, yytname[yyx]);
+ yycount++;
+ }
+ }
+ yyerror (yymsg);
+ YYSTACK_FREE (yymsg);
+ }
+ else
+ yyerror ("parse error; also virtual memory exhausted");
+ }
+ else
+#endif /* defined (YYERROR_VERBOSE) */
+ yyerror ("parse error");
+ }
+ goto yyerrlab1;
+
+
+/*--------------------------------------------------.
+| yyerrlab1 -- error raised explicitly by an action |
+`--------------------------------------------------*/
+yyerrlab1:
+ if (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
+
+ /* return failure if at end of input */
+ if (yychar == YYEOF)
+ YYABORT;
+ YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
+ yychar, yytname[yychar1]));
+ yychar = YYEMPTY;
+ }
+
+ /* Else will try to reuse lookahead token after shifting the error
+ token. */
+
+ yyerrstatus = 3; /* Each real token shifted decrements this */
+
+ goto yyerrhandle;
+
+
+/*-------------------------------------------------------------------.
+| yyerrdefault -- current state does not do anything special for the |
+| error token. |
+`-------------------------------------------------------------------*/
+yyerrdefault:
+#if 0
+ /* This is wrong; only states that explicitly want error tokens
+ should shift them. */
+
+ /* If its default is to accept any token, ok. Otherwise pop it. */
+ yyn = yydefact[yystate];
+ if (yyn)
+ goto yydefault;
+#endif
+
+
+/*---------------------------------------------------------------.
+| yyerrpop -- pop the current state because it cannot handle the |
+| error token |
+`---------------------------------------------------------------*/
+yyerrpop:
+ if (yyssp == yyss)
+ YYABORT;
+ yyvsp--;
+ yystate = *--yyssp;
+#if YYLSP_NEEDED
+ yylsp--;
+#endif
+
+#if YYDEBUG
+ if (yydebug)
+ {
+ short *yyssp1 = yyss - 1;
+ YYFPRINTF (stderr, "Error: state stack now");
+ while (yyssp1 != yyssp)
+ YYFPRINTF (stderr, " %d", *++yyssp1);
+ YYFPRINTF (stderr, "\n");
+ }
+#endif
+
+/*--------------.
+| yyerrhandle. |
+`--------------*/
+yyerrhandle:
+ yyn = yypact[yystate];
+ if (yyn == YYFLAG)
+ goto yyerrdefault;
+
+ yyn += YYTERROR;
+ if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
+ goto yyerrdefault;
+
+ yyn = yytable[yyn];
+ if (yyn < 0)
+ {
+ if (yyn == YYFLAG)
+ goto yyerrpop;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+ else if (yyn == 0)
+ goto yyerrpop;
+
+ if (yyn == YYFINAL)
+ YYACCEPT;
+
+ YYDPRINTF ((stderr, "Shifting error token, "));
+
+ *++yyvsp = yylval;
+#if YYLSP_NEEDED
+ *++yylsp = yylloc;
+#endif
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturn;
+
+/*---------------------------------------------.
+| yyoverflowab -- parser overflow comes here. |
+`---------------------------------------------*/
+yyoverflowlab:
+ yyerror ("parser stack overflow");
+ yyresult = 2;
+ /* Fall through. */
+
+yyreturn:
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+ return yyresult;
+}
+#line 514 "inform.y"
+
+
+#if 0
+{ /* fanagling to get emacs indentation sane */
+int foo;
+#endif
+
+static z_typed z_t(z_typed a, z_typed b, zword v)
+{
+ z_typed r;
+ r.v = ARITHMASK(v);
+ if(a.t == Z_NUMBER && b.t == Z_NUMBER)
+ r.t = Z_NUMBER;
+ else
+ r.t = Z_UNKNOWN;
+ return r;
+}
+
+
+
+typedef struct {
+ int token;
+ const char *name;
+} name_token;
+
+static name_token infix_operators[] = {
+ { ANDAND, "&&" },
+ { OROR, "||" },
+ { NOTNOT, "~~" },
+ { BYTEARRAY, "->" },
+ { WORDARRAY, "-->" },
+ { NUMBER, "(number)" },
+ { OBJECT, "(object)" },
+ { ROUTINE, "(routine)" },
+ { STRING, "(string)" },
+ { GLOBAL, "(global)" },
+ { LOCAL, "(local)" },
+ { INCREMENT, "++" },
+ { DECREMENT, "--" },
+ { SUPERCLASS, "::" }
+};
+
+
+static name_token infix_keywords[] = {
+ { TO, "to" },
+ { IF, "if" },
+ { OR, "or" },
+ { BTRUE, "true" },
+ { BFALSE, "false" },
+ { NOTHING, "nothing" },
+ { PARENT, "parent" },
+ { CHILD, "child" },
+ { SIBLING, "sibling" },
+ { RANDOM, "random" },
+ { CHILDREN, "children" }
+};
+
+
+/* These are only valid as the first token in an expression. A single space
+ matches at least one typed whitespace character */
+static name_token infix_commands[] = {
+ { '#', "#" },
+ { HELP, "help" },
+ { ALIAS, "alias" },
+ { RALIAS, "ralias" },
+ { UNALIAS, "unalias" },
+ { DUMPMEM, "dumpmem" },
+ { AUTOMAP, "automap" },
+ { UNDO, "undo" },
+ { REDO, "redo" },
+ { QUIT, "quit" },
+ { RESTORE, "restore" },
+ { RESTART, "restart" },
+ { RESTART, "run" },
+ { RECORDON, "recording on" },
+ { RECORDOFF, "recording off" },
+ { REPLAY, "replay" },
+ { REPLAYOFF, "replay off" },
+ { SYMBOL_FILE, "symbol-file" },
+ { PRINT, "print" },
+ { PRINT, "p" },
+ { PRINT, "call" }, /* No void functions in inform */
+ { SET, "set" },
+ { MOVE, "move" },
+ { OBJECT_TREE, "object-tree" },
+ { OBJECT_TREE, "tree" },
+ { FIND, "find" },
+ { REMOVE, "remove" },
+ { GIVE, "give" },
+ { LIST_GLOBALS, "globals" },
+ { JUMP, "jump" },
+ { CONT, "continue" },
+ { CONT, "c" },
+ { CONT, "fg" },
+ { STEP, "step" },
+ { STEP, "s" },
+ { NEXT, "next" },
+ { NEXT, "n" },
+ { STEPI, "stepi" },
+ { STEPI, "si" },
+ { NEXTI, "nexti" },
+ { NEXTI, "ni" },
+ { UNTIL, "until" },
+ { UNTIL, "u" },
+ { FINISH, "finish" },
+ { BREAK, "break" },
+ { DELETE, "delete" },
+ { DELETE, "d" },
+ { DELETE, "delete breakpoints" },
+ { COND, "condition" },
+ { IGNORE, "ignore" },
+ { FRAME, "frame" },
+ { FRAME, "f" },
+ { SELECT_FRAME, "select-frame" },
+ { UP_FRAME, "up" },
+ { DOWN_FRAME, "down" },
+ { DOWN_FRAME, "do" },
+ { UP_SILENTLY, "up-silently" },
+ { DOWN_SILENTLY,"down-silently" },
+ { BREAKPOINTS, "info breakpoints" },
+ { BREAKPOINTS, "info watchpoints" },
+ { BREAKPOINTS, "info break" },
+ { DISABLE_BREAK,"disable" },
+ { DISABLE_BREAK,"disable breakpoints" },
+ { DISABLE_BREAK,"dis" },
+ { DISABLE_BREAK,"dis breakpoints" },
+ { ENABLE_BREAK, "enable" },
+ { ENABLE_BREAK, "enable breakpoints" },
+ { LANGUAGE, "show language" },
+ { INFOSOURCE, "info source" },
+ { INFOSOURCES, "info sources" },
+ { COPYING, "show copying" },
+ { WARRANTY, "show warranty" },
+ { BACKTRACE, "backtrace" },
+ { BACKTRACE, "bt" },
+ { BACKTRACE, "where" },
+ { BACKTRACE, "info stack" },
+ { BACKTRACE, "info s" },
+ { DISPLAY, "display" },
+ { UNDISPLAY, "undisplay" },
+ { UNDISPLAY, "delete display" },
+ { DISABLE_DISPLAY,"disable display" },
+ { DISABLE_DISPLAY,"dis display" },
+ { ENABLE_DISPLAY,"enable display" }
+};
+
+#include "dbg_help.h"
+
+static BOOL z_isequal(zword a, zword b)
+{
+ return (a == b);
+}
+
+static BOOL z_isgreat(zword a, zword b)
+{
+ return is_greaterthan(a, b);
+}
+
+static BOOL z_isless(zword a, zword b)
+{
+ return is_lessthan(a, b);
+}
+
+static BOOL infix_provides(zword o, zword p)
+{
+ zword len;
+ return (infix_get_proptable(o, p, &len) != 0);
+}
+
+static BOOL infix_in(zword a, zword b)
+{
+ return infix_parent(a) == b;
+}
+
+typedef struct {
+ const char *name;
+ BOOL (*condfunc)(zword a, zword b);
+ BOOL opposite;
+} condition;
+
+condition conditionlist[] = {
+ { "==", z_isequal, FALSE },
+ { "~=", z_isequal, TRUE },
+ { ">", z_isgreat, FALSE },
+ { "<", z_isless, FALSE },
+ { "<=", z_isgreat, TRUE },
+ { ">=", z_isless, TRUE },
+ { "has", infix_test_attrib, FALSE },
+ { "hasnt", infix_test_attrib, TRUE },
+ { "in", infix_in, FALSE },
+ { "notin", infix_in, TRUE },
+/*{ "ofclass", infix_ofclass, FALSE },*/
+ { "provides",infix_provides, FALSE }
+};
+
+
+static BOOL is_command_identifier(char c)
+{
+ return isalpha(c) || (c == '-');
+}
+
+static BOOL is_identifier(char c)
+{
+ return isalpha(c) || isdigit(c) || (c == '_');
+}
+
+static BOOL is_longer_identifier(char c)
+{
+ return isalpha(c) || isdigit(c) || (c == '_') || (c == '.') || (c == ':');
+}
+
+static int grab_number(z_typed *val)
+{
+ int len = 0;
+ char *endptr;
+ char c = lex_expression[lex_offset + len];
+ int base = 10;
+ long int num;
+
+ /* Don't handle negativity here */
+ if(c == '-' || c == '+')
+ return 0;
+
+ if(c == '$') {
+ len++;
+ base = 16;
+ c = lex_expression[lex_offset + len];
+ if(c == '$') {
+ len++;
+ base = 2;
+ c = lex_expression[lex_offset + len];
+ }
+ }
+
+ num = n_strtol(lex_expression + lex_offset + len, &endptr, base);
+
+ if(endptr != lex_expression + lex_offset) {
+ len += endptr - lex_expression - lex_offset;
+ val->v = num;
+ val->t = Z_NUMBER;
+ return len;
+ }
+ return 0;
+}
+
+
+typedef enum { match_None, match_Partial, match_Complete } match_type;
+
+static match_type command_matches(const char *command, const char *expression,
+ unsigned *matchedlen)
+{
+ unsigned c, e;
+ e = 0;
+
+ for(c = 0; command[c]; c++) {
+ if(command[c] != expression[e]) {
+ if(!is_command_identifier(expression[e])) {
+ *matchedlen = e;
+ return match_Partial;
+ }
+ return match_None;
+ }
+
+ e++;
+
+ if(command[c] == ' ') {
+ while(expression[e] == ' ')
+ e++;
+ }
+ }
+
+ if(!is_command_identifier(expression[e])) {
+ *matchedlen = e;
+ return match_Complete;
+ }
+
+ return match_None;
+}
+
+
+static int grab_command(void)
+{
+ unsigned i;
+ unsigned len;
+
+ unsigned best;
+ match_type best_match = match_None;
+ unsigned best_len = 0;
+ BOOL found = FALSE;
+ BOOL ambig = FALSE;
+
+ while(isspace(lex_expression[lex_offset]))
+ lex_offset++;
+
+ for(i = 0; i < sizeof(infix_commands) / sizeof(*infix_commands); i++) {
+ switch(command_matches(infix_commands[i].name, lex_expression + lex_offset, &len)) {
+ case match_Complete:
+ if(len > best_len || best_match != match_Complete) {
+ best = i;
+ best_match = match_Complete;
+ best_len = len;
+ found = TRUE;
+ }
+ break;
+
+ case match_Partial:
+ if(best_match != match_Complete) {
+ if(found)
+ ambig = TRUE;
+ best = i;
+ best_match = match_Partial;
+ best_len = len;
+ found = TRUE;
+ }
+
+ case match_None:
+ ;
+ }
+ }
+
+ if(ambig && best_match != match_Complete) {
+ infix_print_string("Ambiguous command.\n");
+ return 0;
+ }
+
+ if(found) {
+ lex_offset += best_len;
+ return infix_commands[best].token;
+ }
+
+ infix_print_string("Undefined command.\n");
+ return 0;
+}
+
+
+static void inform_help(void)
+{
+ int command;
+ unsigned i;
+ BOOL is_command = FALSE;
+
+ for(i = lex_offset; lex_expression[i]; i++)
+ if(!isspace(lex_expression[i]))
+ is_command = TRUE;
+
+ if(!is_command) {
+ infix_print_string("Help is available on the following commands:\n");
+ for(i = 0; i < sizeof(command_help) / sizeof(*command_help); i++) {
+ unsigned j;
+ for(j = 0; j < sizeof(infix_commands) / sizeof(*infix_commands); j++)
+ if(command_help[i].token == infix_commands[j].token) {
+ infix_print_char('\'');
+ infix_print_string(infix_commands[j].name);
+ infix_print_char('\'');
+ break;
+ }
+ infix_print_char(' ');
+ }
+ infix_print_string("\n");
+ return;
+ }
+
+ command = grab_command();
+ if(command) {
+ for(i = 0; i < sizeof(command_help) / sizeof(*command_help); i++) {
+ if(command_help[i].token == command) {
+ infix_print_string(command_help[i].name);
+ infix_print_char(10);
+ return;
+ }
+ }
+ infix_print_string("No help available for that command.\n");
+ }
+}
+
+
+void process_debug_command(const char *buffer)
+{
+#if YYDEBUG
+ yydebug = 1;
+#endif
+ lex_expression = buffer;
+ lex_offset = 0;
+ ignoreeffects = 0;
+ yyparse();
+ n_rmfree();
+}
+
+BOOL exp_has_locals(const char *exp)
+{
+ return FALSE;
+}
+
+z_typed evaluate_expression(const char *exp, unsigned frame)
+{
+ unsigned old_frame = infix_selected_frame;
+ char *new_exp = (char *) n_malloc(n_strlen(exp) + 5);
+ n_strcpy(new_exp, "set ");
+ n_strcat(new_exp, exp);
+
+ infix_selected_frame = frame;
+ process_debug_command(new_exp);
+ infix_selected_frame = old_frame;
+
+ n_free(new_exp);
+
+ return inform_result;
+}
+
+static void yyerror(const char *s)
+{
+ infix_print_string(s);
+ infix_print_char(10);
+}
+
+static int yylex(void)
+{
+ unsigned i, len, longer;
+ BOOL check_command = FALSE;
+
+ if(lex_offset == 0)
+ check_command = TRUE;
+
+ while(isspace(lex_expression[lex_offset]))
+ lex_offset++;
+
+ if(check_command) {
+ return grab_command();
+ }
+
+ if((len = grab_number(&yylval.val)) != 0) {
+ lex_offset += len;
+ return NUM;
+ }
+
+ for(i = 0; i < sizeof(infix_operators) / sizeof(*infix_operators); i++) {
+ if(n_strncmp(infix_operators[i].name, lex_expression + lex_offset,
+ n_strlen(infix_operators[i].name)) == 0) {
+ lex_offset += n_strlen(infix_operators[i].name);
+ return infix_operators[i].token;
+ }
+ }
+
+ for(i = 0; i < sizeof(conditionlist) / sizeof(*conditionlist); i++) {
+ len = n_strlen(conditionlist[i].name);
+ if(len
+ && n_strncmp(conditionlist[i].name,
+ lex_expression + lex_offset, len) == 0
+ && !(is_identifier(conditionlist[i].name[len-1])
+ && is_identifier(lex_expression[lex_offset + len]))) {
+
+ lex_offset += len;
+ yylval.cond.condfunc = conditionlist[i].condfunc;
+ yylval.cond.opposite = conditionlist[i].opposite;
+ return CONDITION;
+ }
+ }
+
+ if((len = infix_find_file(&yylval.filenum, lex_expression + lex_offset)) != 0) {
+ lex_offset += len;
+ return DFILE;
+ }
+
+
+ for(len = 0; is_identifier(lex_expression[lex_offset + len]); len++)
+ ;
+
+ if(!len)
+ return lex_expression[lex_offset++];
+
+ for(i = 0; i < sizeof(infix_keywords) / sizeof(*infix_keywords); i++) {
+ if(n_strmatch(infix_keywords[i].name, lex_expression + lex_offset, len)) {
+ lex_offset += len;
+ return infix_keywords[i].token;
+ }
+ }
+
+ for(longer = len; is_longer_identifier(lex_expression[lex_offset + longer]); longer++)
+ ;
+
+ if(infix_find_symbol(&yylval.val, lex_expression + lex_offset, longer)) {
+ lex_offset += longer;
+ return NUM;
+ }
+
+ if(infix_find_symbol(&yylval.val, lex_expression + lex_offset, len)) {
+ lex_offset += len;
+ return NUM;
+ }
+
+ infix_print_string("Unknown identifier \"");
+ for(i = 0; i < len; i++)
+ infix_print_char(lex_expression[lex_offset + i]);
+ infix_print_string("\"\n");
+
+ return 0;
+}
+
+#endif /* DEBUGGING */