1 /* A Bison parser, made by GNU Bison 2.3.  */
2 
3 /* Skeleton implementation for Bison's Yacc-like parsers in C
4 
5    Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
6    Free Software Foundation, Inc.
7 
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 2, or (at your option)
11    any later version.
12 
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with this program; if not, write to the Free Software
20    Foundation, Inc., 51 Franklin Street, Fifth Floor,
21    Boston, MA 02110-1301, USA.  */
22 
23 /* As a special exception, you may create a larger work that contains
24    part or all of the Bison parser skeleton and distribute that work
25    under terms of your choice, so long as that work isn't itself a
26    parser generator using the skeleton or a modified version thereof
27    as a parser skeleton.  Alternatively, if you modify or redistribute
28    the parser skeleton itself, you may (at your option) remove this
29    special exception, which will cause the skeleton and the resulting
30    Bison output files to be licensed under the GNU General Public
31    License without this special exception.
32 
33    This special exception was added by the Free Software Foundation in
34    version 2.2 of Bison.  */
35 
36 /* C LALR(1) parser skeleton written by Richard Stallman, by
37    simplifying the original so-called "semantic" parser.  */
38 
39 /* All symbols defined below should begin with yy or YY, to avoid
40    infringing on user name space.  This should be done even for local
41    variables, as they might otherwise be expanded by user macros.
42    There are some unavoidable exceptions within include files to
43    define necessary library symbols; they are noted "INFRINGES ON
44    USER NAME SPACE" below.  */
45 
46 /* Identify Bison output.  */
47 #define YYBISON 1
48 
49 /* Bison version.  */
50 #define YYBISON_VERSION "2.3"
51 
52 /* Skeleton name.  */
53 #define YYSKELETON_NAME "yacc.c"
54 
55 /* Pure parsers.  */
56 #define YYPURE 0
57 
58 /* Using locations.  */
59 #define YYLSP_NEEDED 0
60 
61 /* Substitute the variable and function names.  */
62 #define yyparse glangparse
63 #define yylex   glanglex
64 #define yyerror glangerror
65 #define yylval  glanglval
66 #define yychar  glangchar
67 #define yydebug glangdebug
68 #define yynerrs glangnerrs
69 
70 
71 /* Tokens.  */
72 #ifndef YYTOKENTYPE
73 # define YYTOKENTYPE
74    /* Put the tokens into the symbol table, so that GDB and other debuggers
75       know about them.  */
76    enum yytokentype {
77      GMN = 258,
78      GROUPSTART = 259,
79      GROUPEND = 260,
80      ASEP = 261,
81      EQ = 262,
82      IDENT = 263,
83      BOTTOM = 264,
84      TOP = 265,
85      TAIL = 266,
86      HEAD = 267,
87      PAR = 268,
88      SEQ = 269,
89      APPLY = 270,
90      ABSTRACT = 271
91    };
92 #endif
93 /* Tokens.  */
94 #define GMN 258
95 #define GROUPSTART 259
96 #define GROUPEND 260
97 #define ASEP 261
98 #define EQ 262
99 #define IDENT 263
100 #define BOTTOM 264
101 #define TOP 265
102 #define TAIL 266
103 #define HEAD 267
104 #define PAR 268
105 #define SEQ 269
106 #define APPLY 270
107 #define ABSTRACT 271
108 
109 
110 
111 
112 /* Copy the first part of user declarations.  */
113 #line 1 "glang.y"
114 
115 
116 #include <iostream>
117 #include <string>
118 #include "glangreader.h"
119 
120 #include "glangparse.hpp"
121 #include "glanglex.cpp"
122 
123 int glangerror(const char*s);
124 
125 //#define parseDebug
126 #ifdef parseDebug
127 #define debug(msg)		std::cout << msg << " -" << glangtext << "-" << std::endl;
128 #else
129 #define debug(msg)
130 #endif
131 
132 #define clean(a,b,c)	delete a; delete b; delete c
133 
134 extern guidolang::glangreader* gGLReader;
135 using namespace guidolang;
136 
137 
138 
139 /* Enabling traces.  */
140 #ifndef YYDEBUG
141 # define YYDEBUG 0
142 #endif
143 
144 /* Enabling verbose error messages.  */
145 #ifdef YYERROR_VERBOSE
146 # undef YYERROR_VERBOSE
147 # define YYERROR_VERBOSE 1
148 #else
149 # define YYERROR_VERBOSE 0
150 #endif
151 
152 /* Enabling the token table.  */
153 #ifndef YYTOKEN_TABLE
154 # define YYTOKEN_TABLE 0
155 #endif
156 
157 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
158 typedef union YYSTYPE
159 #line 30 "glang.y"
160 {
161 	SGLExpr*  exprPtr;
162 	std::string * strPtr;
163 }
164 /* Line 193 of yacc.c.  */
165 #line 166 "glangparse.cpp"
166 	YYSTYPE;
167 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
168 # define YYSTYPE_IS_DECLARED 1
169 # define YYSTYPE_IS_TRIVIAL 1
170 #endif
171 
172 
173 
174 /* Copy the second part of user declarations.  */
175 
176 
177 /* Line 216 of yacc.c.  */
178 #line 179 "glangparse.cpp"
179 
180 #ifdef short
181 # undef short
182 #endif
183 
184 #ifdef YYTYPE_UINT8
185 typedef YYTYPE_UINT8 yytype_uint8;
186 #else
187 typedef unsigned char yytype_uint8;
188 #endif
189 
190 #ifdef YYTYPE_INT8
191 typedef YYTYPE_INT8 yytype_int8;
192 #elif (defined __STDC__ || defined __C99__FUNC__ \
193      || defined __cplusplus || defined _MSC_VER)
194 typedef signed char yytype_int8;
195 #else
196 typedef short int yytype_int8;
197 #endif
198 
199 #ifdef YYTYPE_UINT16
200 typedef YYTYPE_UINT16 yytype_uint16;
201 #else
202 typedef unsigned short int yytype_uint16;
203 #endif
204 
205 #ifdef YYTYPE_INT16
206 typedef YYTYPE_INT16 yytype_int16;
207 #else
208 typedef short int yytype_int16;
209 #endif
210 
211 #ifndef YYSIZE_T
212 # ifdef __SIZE_TYPE__
213 #  define YYSIZE_T __SIZE_TYPE__
214 # elif defined size_t
215 #  define YYSIZE_T size_t
216 # elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
217      || defined __cplusplus || defined _MSC_VER)
218 #  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
219 #  define YYSIZE_T size_t
220 # else
221 #  define YYSIZE_T unsigned int
222 # endif
223 #endif
224 
225 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
226 
227 #ifndef YY_
228 # if defined YYENABLE_NLS && YYENABLE_NLS
229 #  if ENABLE_NLS
230 #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
231 #   define YY_(msgid) dgettext ("bison-runtime", msgid)
232 #  endif
233 # endif
234 # ifndef YY_
235 #  define YY_(msgid) msgid
236 # endif
237 #endif
238 
239 /* Suppress unused-variable warnings by "using" E.  */
240 #if ! defined lint || defined __GNUC__
241 # define YYUSE(e) ((void) (e))
242 #else
243 # define YYUSE(e) /* empty */
244 #endif
245 
246 /* Identity function, used to suppress warnings about constant conditions.  */
247 #ifndef lint
248 # define YYID(n) (n)
249 #else
250 #if (defined __STDC__ || defined __C99__FUNC__ \
251      || defined __cplusplus || defined _MSC_VER)
252 static int
YYID(int i)253 YYID (int i)
254 #else
255 static int
256 YYID (i)
257     int i;
258 #endif
259 {
260   return i;
261 }
262 #endif
263 
264 #if ! defined yyoverflow || YYERROR_VERBOSE
265 
266 /* The parser invokes alloca or malloc; define the necessary symbols.  */
267 
268 # ifdef YYSTACK_USE_ALLOCA
269 #  if YYSTACK_USE_ALLOCA
270 #   ifdef __GNUC__
271 #    define YYSTACK_ALLOC __builtin_alloca
272 #   elif defined __BUILTIN_VA_ARG_INCR
273 #    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
274 #   elif defined _AIX
275 #    define YYSTACK_ALLOC __alloca
276 #   elif defined _MSC_VER
277 #    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
278 #    define alloca _alloca
279 #   else
280 #    define YYSTACK_ALLOC alloca
281 #    if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
282      || defined __cplusplus || defined _MSC_VER)
283 #     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
284 #     ifndef _STDLIB_H
285 #      define _STDLIB_H 1
286 #     endif
287 #    endif
288 #   endif
289 #  endif
290 # endif
291 
292 # ifdef YYSTACK_ALLOC
293    /* Pacify GCC's `empty if-body' warning.  */
294 #  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
295 #  ifndef YYSTACK_ALLOC_MAXIMUM
296     /* The OS might guarantee only one guard page at the bottom of the stack,
297        and a page size can be as small as 4096 bytes.  So we cannot safely
298        invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
299        to allow for a few compiler-allocated temporary stack slots.  */
300 #   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
301 #  endif
302 # else
303 #  define YYSTACK_ALLOC YYMALLOC
304 #  define YYSTACK_FREE YYFREE
305 #  ifndef YYSTACK_ALLOC_MAXIMUM
306 #   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
307 #  endif
308 #  if (defined __cplusplus && ! defined _STDLIB_H \
309        && ! ((defined YYMALLOC || defined malloc) \
310 	     && (defined YYFREE || defined free)))
311 #   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
312 #   ifndef _STDLIB_H
313 #    define _STDLIB_H 1
314 #   endif
315 #  endif
316 #  ifndef YYMALLOC
317 #   define YYMALLOC malloc
318 #   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
319      || defined __cplusplus || defined _MSC_VER)
320 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
321 #   endif
322 #  endif
323 #  ifndef YYFREE
324 #   define YYFREE free
325 #   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
326      || defined __cplusplus || defined _MSC_VER)
327 void free (void *); /* INFRINGES ON USER NAME SPACE */
328 #   endif
329 #  endif
330 # endif
331 #endif /* ! defined yyoverflow || YYERROR_VERBOSE */
332 
333 
334 #if (! defined yyoverflow \
335      && (! defined __cplusplus \
336 	 || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
337 
338 /* A type that is properly aligned for any stack member.  */
339 union yyalloc
340 {
341   yytype_int16 yyss;
342   YYSTYPE yyvs;
343   };
344 
345 /* The size of the maximum gap between one aligned stack and the next.  */
346 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
347 
348 /* The size of an array large to enough to hold all stacks, each with
349    N elements.  */
350 # define YYSTACK_BYTES(N) \
351      ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
352       + YYSTACK_GAP_MAXIMUM)
353 
354 /* Copy COUNT objects from FROM to TO.  The source and destination do
355    not overlap.  */
356 # ifndef YYCOPY
357 #  if defined __GNUC__ && 1 < __GNUC__
358 #   define YYCOPY(To, From, Count) \
359       __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
360 #  else
361 #   define YYCOPY(To, From, Count)		\
362       do					\
363 	{					\
364 	  YYSIZE_T yyi;				\
365 	  for (yyi = 0; yyi < (Count); yyi++)	\
366 	    (To)[yyi] = (From)[yyi];		\
367 	}					\
368       while (YYID (0))
369 #  endif
370 # endif
371 
372 /* Relocate STACK from its old location to the new one.  The
373    local variables YYSIZE and YYSTACKSIZE give the old and new number of
374    elements in the stack, and YYPTR gives the new location of the
375    stack.  Advance YYPTR to a properly aligned location for the next
376    stack.  */
377 # define YYSTACK_RELOCATE(Stack)					\
378     do									\
379       {									\
380 	YYSIZE_T yynewbytes;						\
381 	YYCOPY (&yyptr->Stack, Stack, yysize);				\
382 	Stack = &yyptr->Stack;						\
383 	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
384 	yyptr += yynewbytes / sizeof (*yyptr);				\
385       }									\
386     while (YYID (0))
387 
388 #endif
389 
390 /* YYFINAL -- State number of the termination state.  */
391 #define YYFINAL  5
392 /* YYLAST -- Last index in YYTABLE.  */
393 #define YYLAST   46
394 
395 /* YYNTOKENS -- Number of terminals.  */
396 #define YYNTOKENS  17
397 /* YYNNTS -- Number of nonterminals.  */
398 #define YYNNTS  8
399 /* YYNRULES -- Number of rules.  */
400 #define YYNRULES  19
401 /* YYNRULES -- Number of states.  */
402 #define YYNSTATES  31
403 
404 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
405 #define YYUNDEFTOK  2
406 #define YYMAXUTOK   271
407 
408 #define YYTRANSLATE(YYX)						\
409   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
410 
411 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
412 static const yytype_uint8 yytranslate[] =
413 {
414        0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
415        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
416        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
417        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
418        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
419        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
420        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
421        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
422        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
423        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
424        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
425        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
426        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
427        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
428        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
429        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
430        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
431        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
432        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
433        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
434        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
435        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
436        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
437        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
438        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
439        2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
440        5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
441       15,    16
442 };
443 
444 #if YYDEBUG
445 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
446    YYRHS.  */
447 static const yytype_uint8 yyprhs[] =
448 {
449        0,     0,     3,     5,     9,    14,    16,    20,    25,    27,
450       29,    33,    35,    37,    39,    41,    43,    45,    47,    49
451 };
452 
453 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
454 static const yytype_int8 yyrhs[] =
455 {
456       18,     0,    -1,    19,    -1,    24,     7,    20,    -1,    19,
457       24,     7,    20,    -1,     3,    -1,    20,    22,    20,    -1,
458       16,    20,    23,    20,    -1,    24,    -1,    21,    -1,     4,
459       20,     5,    -1,    14,    -1,    13,    -1,    12,    -1,    11,
460       -1,    10,    -1,     9,    -1,    15,    -1,     6,    -1,     8,
461       -1
462 };
463 
464 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
465 static const yytype_uint8 yyrline[] =
466 {
467        0,    62,    62,    64,    65,    68,    70,    71,    72,    74,
468       77,    79,    80,    81,    82,    83,    84,    85,    87,    88
469 };
470 #endif
471 
472 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
473 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
474    First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
475 static const char *const yytname[] =
476 {
477   "$end", "error", "$undefined", "GMN", "GROUPSTART", "GROUPEND", "ASEP",
478   "EQ", "IDENT", "BOTTOM", "TOP", "TAIL", "HEAD", "PAR", "SEQ", "APPLY",
479   "ABSTRACT", "$accept", "program", "deflist", "expr", "group", "op",
480   "asep", "name", 0
481 };
482 #endif
483 
484 # ifdef YYPRINT
485 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
486    token YYLEX-NUM.  */
487 static const yytype_uint16 yytoknum[] =
488 {
489        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
490      265,   266,   267,   268,   269,   270,   271
491 };
492 # endif
493 
494 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
495 static const yytype_uint8 yyr1[] =
496 {
497        0,    17,    18,    19,    19,    20,    20,    20,    20,    20,
498       21,    22,    22,    22,    22,    22,    22,    22,    23,    24
499 };
500 
501 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
502 static const yytype_uint8 yyr2[] =
503 {
504        0,     2,     1,     3,     4,     1,     3,     4,     1,     1,
505        3,     1,     1,     1,     1,     1,     1,     1,     1,     1
506 };
507 
508 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
509    STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
510    means the default is an error.  */
511 static const yytype_uint8 yydefact[] =
512 {
513        0,    19,     0,     2,     0,     1,     0,     0,     0,     5,
514        0,     0,     3,     9,     8,     4,     0,     0,    16,    15,
515       14,    13,    12,    11,    17,     0,    10,    18,     0,     6,
516        7
517 };
518 
519 /* YYDEFGOTO[NTERM-NUM].  */
520 static const yytype_int8 yydefgoto[] =
521 {
522       -1,     2,     3,    12,    13,    25,    28,    14
523 };
524 
525 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
526    STATE-NUM.  */
527 #define YYPACT_NINF -9
528 static const yytype_int8 yypact[] =
529 {
530       -1,    -9,     8,    -1,     4,    -9,     5,     2,     2,    -9,
531        2,     2,    31,    -9,    -9,    31,    14,    24,    -9,    -9,
532       -9,    -9,    -9,    -9,    -9,     2,    -9,    -9,     2,    31,
533       -9
534 };
535 
536 /* YYPGOTO[NTERM-NUM].  */
537 static const yytype_int8 yypgoto[] =
538 {
539       -9,    -9,    -9,    -8,    -9,    -9,    -9,     1
540 };
541 
542 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
543    positive, shift that token.  If negative, reduce the rule which
544    number is the opposite.  If zero, do what YYDEFACT says.
545    If YYTABLE_NINF, syntax error.  */
546 #define YYTABLE_NINF -1
547 static const yytype_uint8 yytable[] =
548 {
549       15,     4,    16,    17,     6,     9,    10,     1,     5,     0,
550        1,     7,     8,     0,     0,     0,     0,    29,    11,    26,
551       30,     0,     0,    18,    19,    20,    21,    22,    23,    24,
552       27,     0,     0,    18,    19,    20,    21,    22,    23,    24,
553       18,    19,    20,    21,    22,    23,    24
554 };
555 
556 static const yytype_int8 yycheck[] =
557 {
558        8,     0,    10,    11,     3,     3,     4,     8,     0,    -1,
559        8,     7,     7,    -1,    -1,    -1,    -1,    25,    16,     5,
560       28,    -1,    -1,     9,    10,    11,    12,    13,    14,    15,
561        6,    -1,    -1,     9,    10,    11,    12,    13,    14,    15,
562        9,    10,    11,    12,    13,    14,    15
563 };
564 
565 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
566    symbol of state STATE-NUM.  */
567 static const yytype_uint8 yystos[] =
568 {
569        0,     8,    18,    19,    24,     0,    24,     7,     7,     3,
570        4,    16,    20,    21,    24,    20,    20,    20,     9,    10,
571       11,    12,    13,    14,    15,    22,     5,     6,    23,    20,
572       20
573 };
574 
575 #define yyerrok		(yyerrstatus = 0)
576 #define yyclearin	(yychar = YYEMPTY)
577 #define YYEMPTY		(-2)
578 #define YYEOF		0
579 
580 #define YYACCEPT	goto yyacceptlab
581 #define YYABORT		goto yyabortlab
582 #define YYERROR		goto yyerrorlab
583 
584 
585 /* Like YYERROR except do call yyerror.  This remains here temporarily
586    to ease the transition to the new meaning of YYERROR, for GCC.
587    Once GCC version 2 has supplanted version 1, this can go.  */
588 
589 #define YYFAIL		goto yyerrlab
590 
591 #define YYRECOVERING()  (!!yyerrstatus)
592 
593 #define YYBACKUP(Token, Value)					\
594 do								\
595   if (yychar == YYEMPTY && yylen == 1)				\
596     {								\
597       yychar = (Token);						\
598       yylval = (Value);						\
599       yytoken = YYTRANSLATE (yychar);				\
600       YYPOPSTACK (1);						\
601       goto yybackup;						\
602     }								\
603   else								\
604     {								\
605       yyerror (YY_("syntax error: cannot back up")); \
606       YYERROR;							\
607     }								\
608 while (YYID (0))
609 
610 
611 #define YYTERROR	1
612 #define YYERRCODE	256
613 
614 
615 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
616    If N is 0, then set CURRENT to the empty location which ends
617    the previous symbol: RHS[0] (always defined).  */
618 
619 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
620 #ifndef YYLLOC_DEFAULT
621 # define YYLLOC_DEFAULT(Current, Rhs, N)				\
622     do									\
623       if (YYID (N))                                                    \
624 	{								\
625 	  (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;	\
626 	  (Current).first_column = YYRHSLOC (Rhs, 1).first_column;	\
627 	  (Current).last_line    = YYRHSLOC (Rhs, N).last_line;		\
628 	  (Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
629 	}								\
630       else								\
631 	{								\
632 	  (Current).first_line   = (Current).last_line   =		\
633 	    YYRHSLOC (Rhs, 0).last_line;				\
634 	  (Current).first_column = (Current).last_column =		\
635 	    YYRHSLOC (Rhs, 0).last_column;				\
636 	}								\
637     while (YYID (0))
638 #endif
639 
640 
641 /* YY_LOCATION_PRINT -- Print the location on the stream.
642    This macro was not mandated originally: define only if we know
643    we won't break user code: when these are the locations we know.  */
644 
645 #ifndef YY_LOCATION_PRINT
646 # if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
647 #  define YY_LOCATION_PRINT(File, Loc)			\
648      fprintf (File, "%d.%d-%d.%d",			\
649 	      (Loc).first_line, (Loc).first_column,	\
650 	      (Loc).last_line,  (Loc).last_column)
651 # else
652 #  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
653 # endif
654 #endif
655 
656 
657 /* YYLEX -- calling `yylex' with the right arguments.  */
658 
659 #ifdef YYLEX_PARAM
660 # define YYLEX yylex (YYLEX_PARAM)
661 #else
662 # define YYLEX yylex ()
663 #endif
664 
665 /* Enable debugging if requested.  */
666 #if YYDEBUG
667 
668 # ifndef YYFPRINTF
669 #  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
670 #  define YYFPRINTF fprintf
671 # endif
672 
673 # define YYDPRINTF(Args)			\
674 do {						\
675   if (yydebug)					\
676     YYFPRINTF Args;				\
677 } while (YYID (0))
678 
679 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)			  \
680 do {									  \
681   if (yydebug)								  \
682     {									  \
683       YYFPRINTF (stderr, "%s ", Title);					  \
684       yy_symbol_print (stderr,						  \
685 		  Type, Value); \
686       YYFPRINTF (stderr, "\n");						  \
687     }									  \
688 } while (YYID (0))
689 
690 
691 /*--------------------------------.
692 | Print this symbol on YYOUTPUT.  |
693 `--------------------------------*/
694 
695 /*ARGSUSED*/
696 #if (defined __STDC__ || defined __C99__FUNC__ \
697      || defined __cplusplus || defined _MSC_VER)
698 static void
yy_symbol_value_print(FILE * yyoutput,int yytype,YYSTYPE const * const yyvaluep)699 yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
700 #else
701 static void
702 yy_symbol_value_print (yyoutput, yytype, yyvaluep)
703     FILE *yyoutput;
704     int yytype;
705     YYSTYPE const * const yyvaluep;
706 #endif
707 {
708   if (!yyvaluep)
709     return;
710 # ifdef YYPRINT
711   if (yytype < YYNTOKENS)
712     YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
713 # else
714   YYUSE (yyoutput);
715 # endif
716   switch (yytype)
717     {
718       default:
719 	break;
720     }
721 }
722 
723 
724 /*--------------------------------.
725 | Print this symbol on YYOUTPUT.  |
726 `--------------------------------*/
727 
728 #if (defined __STDC__ || defined __C99__FUNC__ \
729      || defined __cplusplus || defined _MSC_VER)
730 static void
yy_symbol_print(FILE * yyoutput,int yytype,YYSTYPE const * const yyvaluep)731 yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
732 #else
733 static void
734 yy_symbol_print (yyoutput, yytype, yyvaluep)
735     FILE *yyoutput;
736     int yytype;
737     YYSTYPE const * const yyvaluep;
738 #endif
739 {
740   if (yytype < YYNTOKENS)
741     YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
742   else
743     YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
744 
745   yy_symbol_value_print (yyoutput, yytype, yyvaluep);
746   YYFPRINTF (yyoutput, ")");
747 }
748 
749 /*------------------------------------------------------------------.
750 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
751 | TOP (included).                                                   |
752 `------------------------------------------------------------------*/
753 
754 #if (defined __STDC__ || defined __C99__FUNC__ \
755      || defined __cplusplus || defined _MSC_VER)
756 static void
yy_stack_print(yytype_int16 * bottom,yytype_int16 * top)757 yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
758 #else
759 static void
760 yy_stack_print (bottom, top)
761     yytype_int16 *bottom;
762     yytype_int16 *top;
763 #endif
764 {
765   YYFPRINTF (stderr, "Stack now");
766   for (; bottom <= top; ++bottom)
767     YYFPRINTF (stderr, " %d", *bottom);
768   YYFPRINTF (stderr, "\n");
769 }
770 
771 # define YY_STACK_PRINT(Bottom, Top)				\
772 do {								\
773   if (yydebug)							\
774     yy_stack_print ((Bottom), (Top));				\
775 } while (YYID (0))
776 
777 
778 /*------------------------------------------------.
779 | Report that the YYRULE is going to be reduced.  |
780 `------------------------------------------------*/
781 
782 #if (defined __STDC__ || defined __C99__FUNC__ \
783      || defined __cplusplus || defined _MSC_VER)
784 static void
yy_reduce_print(YYSTYPE * yyvsp,int yyrule)785 yy_reduce_print (YYSTYPE *yyvsp, int yyrule)
786 #else
787 static void
788 yy_reduce_print (yyvsp, yyrule)
789     YYSTYPE *yyvsp;
790     int yyrule;
791 #endif
792 {
793   int yynrhs = yyr2[yyrule];
794   int yyi;
795   unsigned long int yylno = yyrline[yyrule];
796   YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
797 	     yyrule - 1, yylno);
798   /* The symbols being reduced.  */
799   for (yyi = 0; yyi < yynrhs; yyi++)
800     {
801       fprintf (stderr, "   $%d = ", yyi + 1);
802       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
803 		       &(yyvsp[(yyi + 1) - (yynrhs)])
804 		       		       );
805       fprintf (stderr, "\n");
806     }
807 }
808 
809 # define YY_REDUCE_PRINT(Rule)		\
810 do {					\
811   if (yydebug)				\
812     yy_reduce_print (yyvsp, Rule); \
813 } while (YYID (0))
814 
815 /* Nonzero means print parse trace.  It is left uninitialized so that
816    multiple parsers can coexist.  */
817 int yydebug;
818 #else /* !YYDEBUG */
819 # define YYDPRINTF(Args)
820 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
821 # define YY_STACK_PRINT(Bottom, Top)
822 # define YY_REDUCE_PRINT(Rule)
823 #endif /* !YYDEBUG */
824 
825 
826 /* YYINITDEPTH -- initial size of the parser's stacks.  */
827 #ifndef	YYINITDEPTH
828 # define YYINITDEPTH 200
829 #endif
830 
831 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
832    if the built-in stack extension method is used).
833 
834    Do not make this value too large; the results are undefined if
835    YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
836    evaluated with infinite-precision integer arithmetic.  */
837 
838 #ifndef YYMAXDEPTH
839 # define YYMAXDEPTH 10000
840 #endif
841 
842 
843 
844 #if YYERROR_VERBOSE
845 
846 # ifndef yystrlen
847 #  if defined __GLIBC__ && defined _STRING_H
848 #   define yystrlen strlen
849 #  else
850 /* Return the length of YYSTR.  */
851 #if (defined __STDC__ || defined __C99__FUNC__ \
852      || defined __cplusplus || defined _MSC_VER)
853 static YYSIZE_T
yystrlen(const char * yystr)854 yystrlen (const char *yystr)
855 #else
856 static YYSIZE_T
857 yystrlen (yystr)
858     const char *yystr;
859 #endif
860 {
861   YYSIZE_T yylen;
862   for (yylen = 0; yystr[yylen]; yylen++)
863     continue;
864   return yylen;
865 }
866 #  endif
867 # endif
868 
869 # ifndef yystpcpy
870 #  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
871 #   define yystpcpy stpcpy
872 #  else
873 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
874    YYDEST.  */
875 #if (defined __STDC__ || defined __C99__FUNC__ \
876      || defined __cplusplus || defined _MSC_VER)
877 static char *
yystpcpy(char * yydest,const char * yysrc)878 yystpcpy (char *yydest, const char *yysrc)
879 #else
880 static char *
881 yystpcpy (yydest, yysrc)
882     char *yydest;
883     const char *yysrc;
884 #endif
885 {
886   char *yyd = yydest;
887   const char *yys = yysrc;
888 
889   while ((*yyd++ = *yys++) != '\0')
890     continue;
891 
892   return yyd - 1;
893 }
894 #  endif
895 # endif
896 
897 # ifndef yytnamerr
898 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
899    quotes and backslashes, so that it's suitable for yyerror.  The
900    heuristic is that double-quoting is unnecessary unless the string
901    contains an apostrophe, a comma, or backslash (other than
902    backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
903    null, do not copy; instead, return the length of what the result
904    would have been.  */
905 static YYSIZE_T
yytnamerr(char * yyres,const char * yystr)906 yytnamerr (char *yyres, const char *yystr)
907 {
908   if (*yystr == '"')
909     {
910       YYSIZE_T yyn = 0;
911       char const *yyp = yystr;
912 
913       for (;;)
914 	switch (*++yyp)
915 	  {
916 	  case '\'':
917 	  case ',':
918 	    goto do_not_strip_quotes;
919 
920 	  case '\\':
921 	    if (*++yyp != '\\')
922 	      goto do_not_strip_quotes;
923 	    /* Fall through.  */
924 	  default:
925 	    if (yyres)
926 	      yyres[yyn] = *yyp;
927 	    yyn++;
928 	    break;
929 
930 	  case '"':
931 	    if (yyres)
932 	      yyres[yyn] = '\0';
933 	    return yyn;
934 	  }
935     do_not_strip_quotes: ;
936     }
937 
938   if (! yyres)
939     return yystrlen (yystr);
940 
941   return yystpcpy (yyres, yystr) - yyres;
942 }
943 # endif
944 
945 /* Copy into YYRESULT an error message about the unexpected token
946    YYCHAR while in state YYSTATE.  Return the number of bytes copied,
947    including the terminating null byte.  If YYRESULT is null, do not
948    copy anything; just return the number of bytes that would be
949    copied.  As a special case, return 0 if an ordinary "syntax error"
950    message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
951    size calculation.  */
952 static YYSIZE_T
yysyntax_error(char * yyresult,int yystate,int yychar)953 yysyntax_error (char *yyresult, int yystate, int yychar)
954 {
955   int yyn = yypact[yystate];
956 
957   if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
958     return 0;
959   else
960     {
961       int yytype = YYTRANSLATE (yychar);
962       YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
963       YYSIZE_T yysize = yysize0;
964       YYSIZE_T yysize1;
965       int yysize_overflow = 0;
966       enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
967       char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
968       int yyx;
969 
970 # if 0
971       /* This is so xgettext sees the translatable formats that are
972 	 constructed on the fly.  */
973       YY_("syntax error, unexpected %s");
974       YY_("syntax error, unexpected %s, expecting %s");
975       YY_("syntax error, unexpected %s, expecting %s or %s");
976       YY_("syntax error, unexpected %s, expecting %s or %s or %s");
977       YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
978 # endif
979       char *yyfmt;
980       char const *yyf;
981       static char const yyunexpected[] = "syntax error, unexpected %s";
982       static char const yyexpecting[] = ", expecting %s";
983       static char const yyor[] = " or %s";
984       char yyformat[sizeof yyunexpected
985 		    + sizeof yyexpecting - 1
986 		    + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
987 		       * (sizeof yyor - 1))];
988       char const *yyprefix = yyexpecting;
989 
990       /* Start YYX at -YYN if negative to avoid negative indexes in
991 	 YYCHECK.  */
992       int yyxbegin = yyn < 0 ? -yyn : 0;
993 
994       /* Stay within bounds of both yycheck and yytname.  */
995       int yychecklim = YYLAST - yyn + 1;
996       int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
997       int yycount = 1;
998 
999       yyarg[0] = yytname[yytype];
1000       yyfmt = yystpcpy (yyformat, yyunexpected);
1001 
1002       for (yyx = yyxbegin; yyx < yyxend; ++yyx)
1003 	if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
1004 	  {
1005 	    if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
1006 	      {
1007 		yycount = 1;
1008 		yysize = yysize0;
1009 		yyformat[sizeof yyunexpected - 1] = '\0';
1010 		break;
1011 	      }
1012 	    yyarg[yycount++] = yytname[yyx];
1013 	    yysize1 = yysize + yytnamerr (0, yytname[yyx]);
1014 	    yysize_overflow |= (yysize1 < yysize);
1015 	    yysize = yysize1;
1016 	    yyfmt = yystpcpy (yyfmt, yyprefix);
1017 	    yyprefix = yyor;
1018 	  }
1019 
1020       yyf = YY_(yyformat);
1021       yysize1 = yysize + yystrlen (yyf);
1022       yysize_overflow |= (yysize1 < yysize);
1023       yysize = yysize1;
1024 
1025       if (yysize_overflow)
1026 	return YYSIZE_MAXIMUM;
1027 
1028       if (yyresult)
1029 	{
1030 	  /* Avoid sprintf, as that infringes on the user's name space.
1031 	     Don't have undefined behavior even if the translation
1032 	     produced a string with the wrong number of "%s"s.  */
1033 	  char *yyp = yyresult;
1034 	  int yyi = 0;
1035 	  while ((*yyp = *yyf) != '\0')
1036 	    {
1037 	      if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
1038 		{
1039 		  yyp += yytnamerr (yyp, yyarg[yyi++]);
1040 		  yyf += 2;
1041 		}
1042 	      else
1043 		{
1044 		  yyp++;
1045 		  yyf++;
1046 		}
1047 	    }
1048 	}
1049       return yysize;
1050     }
1051 }
1052 #endif /* YYERROR_VERBOSE */
1053 
1054 
1055 /*-----------------------------------------------.
1056 | Release the memory associated to this symbol.  |
1057 `-----------------------------------------------*/
1058 
1059 /*ARGSUSED*/
1060 #if (defined __STDC__ || defined __C99__FUNC__ \
1061      || defined __cplusplus || defined _MSC_VER)
1062 static void
yydestruct(const char * yymsg,int yytype,YYSTYPE * yyvaluep)1063 yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
1064 #else
1065 static void
1066 yydestruct (yymsg, yytype, yyvaluep)
1067     const char *yymsg;
1068     int yytype;
1069     YYSTYPE *yyvaluep;
1070 #endif
1071 {
1072   YYUSE (yyvaluep);
1073 
1074   if (!yymsg)
1075     yymsg = "Deleting";
1076   YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
1077 
1078   switch (yytype)
1079     {
1080 
1081       default:
1082 	break;
1083     }
1084 }
1085 
1086 
1087 /* Prevent warnings from -Wmissing-prototypes.  */
1088 
1089 #ifdef YYPARSE_PARAM
1090 #if defined __STDC__ || defined __cplusplus
1091 int yyparse (void *YYPARSE_PARAM);
1092 #else
1093 int yyparse ();
1094 #endif
1095 #else /* ! YYPARSE_PARAM */
1096 #if defined __STDC__ || defined __cplusplus
1097 int yyparse (void);
1098 #else
1099 int yyparse ();
1100 #endif
1101 #endif /* ! YYPARSE_PARAM */
1102 
1103 
1104 
1105 /* The look-ahead symbol.  */
1106 int yychar;
1107 
1108 /* The semantic value of the look-ahead symbol.  */
1109 YYSTYPE yylval;
1110 
1111 /* Number of syntax errors so far.  */
1112 int yynerrs;
1113 
1114 
1115 
1116 /*----------.
1117 | yyparse.  |
1118 `----------*/
1119 
1120 #ifdef YYPARSE_PARAM
1121 #if (defined __STDC__ || defined __C99__FUNC__ \
1122      || defined __cplusplus || defined _MSC_VER)
1123 int
yyparse(void * YYPARSE_PARAM)1124 yyparse (void *YYPARSE_PARAM)
1125 #else
1126 int
1127 yyparse (YYPARSE_PARAM)
1128     void *YYPARSE_PARAM;
1129 #endif
1130 #else /* ! YYPARSE_PARAM */
1131 #if (defined __STDC__ || defined __C99__FUNC__ \
1132      || defined __cplusplus || defined _MSC_VER)
1133 int
1134 yyparse (void)
1135 #else
1136 int
1137 yyparse ()
1138 
1139 #endif
1140 #endif
1141 {
1142 
1143   int yystate;
1144   int yyn;
1145   int yyresult;
1146   /* Number of tokens to shift before error messages enabled.  */
1147   int yyerrstatus;
1148   /* Look-ahead token as an internal (translated) token number.  */
1149   int yytoken = 0;
1150 #if YYERROR_VERBOSE
1151   /* Buffer for error messages, and its allocated size.  */
1152   char yymsgbuf[128];
1153   char *yymsg = yymsgbuf;
1154   YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
1155 #endif
1156 
1157   /* Three stacks and their tools:
1158      `yyss': related to states,
1159      `yyvs': related to semantic values,
1160      `yyls': related to locations.
1161 
1162      Refer to the stacks thru separate pointers, to allow yyoverflow
1163      to reallocate them elsewhere.  */
1164 
1165   /* The state stack.  */
1166   yytype_int16 yyssa[YYINITDEPTH];
1167   yytype_int16 *yyss = yyssa;
1168   yytype_int16 *yyssp;
1169 
1170   /* The semantic value stack.  */
1171   YYSTYPE yyvsa[YYINITDEPTH];
1172   YYSTYPE *yyvs = yyvsa;
1173   YYSTYPE *yyvsp;
1174 
1175 
1176 
1177 #define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
1178 
1179   YYSIZE_T yystacksize = YYINITDEPTH;
1180 
1181   /* The variables used to return semantic value and location from the
1182      action routines.  */
1183   YYSTYPE yyval;
1184 
1185 
1186   /* The number of symbols on the RHS of the reduced rule.
1187      Keep to zero when no symbol should be popped.  */
1188   int yylen = 0;
1189 
1190   YYDPRINTF ((stderr, "Starting parse\n"));
1191 
1192   yystate = 0;
1193   yyerrstatus = 0;
1194   yynerrs = 0;
1195   yychar = YYEMPTY;		/* Cause a token to be read.  */
1196 
1197   /* Initialize stack pointers.
1198      Waste one element of value and location stack
1199      so that they stay on the same level as the state stack.
1200      The wasted elements are never initialized.  */
1201 
1202   yyssp = yyss;
1203   yyvsp = yyvs;
1204 
1205   goto yysetstate;
1206 
1207 /*------------------------------------------------------------.
1208 | yynewstate -- Push a new state, which is found in yystate.  |
1209 `------------------------------------------------------------*/
1210  yynewstate:
1211   /* In all cases, when you get here, the value and location stacks
1212      have just been pushed.  So pushing a state here evens the stacks.  */
1213   yyssp++;
1214 
1215  yysetstate:
1216   *yyssp = yystate;
1217 
1218   if (yyss + yystacksize - 1 <= yyssp)
1219     {
1220       /* Get the current used size of the three stacks, in elements.  */
1221       YYSIZE_T yysize = yyssp - yyss + 1;
1222 
1223 #ifdef yyoverflow
1224       {
1225 	/* Give user a chance to reallocate the stack.  Use copies of
1226 	   these so that the &'s don't force the real ones into
1227 	   memory.  */
1228 	YYSTYPE *yyvs1 = yyvs;
1229 	yytype_int16 *yyss1 = yyss;
1230 
1231 
1232 	/* Each stack pointer address is followed by the size of the
1233 	   data in use in that stack, in bytes.  This used to be a
1234 	   conditional around just the two extra args, but that might
1235 	   be undefined if yyoverflow is a macro.  */
1236 	yyoverflow (YY_("memory exhausted"),
1237 		    &yyss1, yysize * sizeof (*yyssp),
1238 		    &yyvs1, yysize * sizeof (*yyvsp),
1239 
1240 		    &yystacksize);
1241 
1242 	yyss = yyss1;
1243 	yyvs = yyvs1;
1244       }
1245 #else /* no yyoverflow */
1246 # ifndef YYSTACK_RELOCATE
1247       goto yyexhaustedlab;
1248 # else
1249       /* Extend the stack our own way.  */
1250       if (YYMAXDEPTH <= yystacksize)
1251 	goto yyexhaustedlab;
1252       yystacksize *= 2;
1253       if (YYMAXDEPTH < yystacksize)
1254 	yystacksize = YYMAXDEPTH;
1255 
1256       {
1257 	yytype_int16 *yyss1 = yyss;
1258 	union yyalloc *yyptr =
1259 	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
1260 	if (! yyptr)
1261 	  goto yyexhaustedlab;
1262 	YYSTACK_RELOCATE (yyss);
1263 	YYSTACK_RELOCATE (yyvs);
1264 
1265 #  undef YYSTACK_RELOCATE
1266 	if (yyss1 != yyssa)
1267 	  YYSTACK_FREE (yyss1);
1268       }
1269 # endif
1270 #endif /* no yyoverflow */
1271 
1272       yyssp = yyss + yysize - 1;
1273       yyvsp = yyvs + yysize - 1;
1274 
1275 
1276       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
1277 		  (unsigned long int) yystacksize));
1278 
1279       if (yyss + yystacksize - 1 <= yyssp)
1280 	YYABORT;
1281     }
1282 
1283   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
1284 
1285   goto yybackup;
1286 
1287 /*-----------.
1288 | yybackup.  |
1289 `-----------*/
1290 yybackup:
1291 
1292   /* Do appropriate processing given the current state.  Read a
1293      look-ahead token if we need one and don't already have one.  */
1294 
1295   /* First try to decide what to do without reference to look-ahead token.  */
1296   yyn = yypact[yystate];
1297   if (yyn == YYPACT_NINF)
1298     goto yydefault;
1299 
1300   /* Not known => get a look-ahead token if don't already have one.  */
1301 
1302   /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
1303   if (yychar == YYEMPTY)
1304     {
1305       YYDPRINTF ((stderr, "Reading a token: "));
1306       yychar = YYLEX;
1307     }
1308 
1309   if (yychar <= YYEOF)
1310     {
1311       yychar = yytoken = YYEOF;
1312       YYDPRINTF ((stderr, "Now at end of input.\n"));
1313     }
1314   else
1315     {
1316       yytoken = YYTRANSLATE (yychar);
1317       YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
1318     }
1319 
1320   /* If the proper action on seeing token YYTOKEN is to reduce or to
1321      detect an error, take that action.  */
1322   yyn += yytoken;
1323   if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1324     goto yydefault;
1325   yyn = yytable[yyn];
1326   if (yyn <= 0)
1327     {
1328       if (yyn == 0 || yyn == YYTABLE_NINF)
1329 	goto yyerrlab;
1330       yyn = -yyn;
1331       goto yyreduce;
1332     }
1333 
1334   if (yyn == YYFINAL)
1335     YYACCEPT;
1336 
1337   /* Count tokens shifted since error; after three, turn off error
1338      status.  */
1339   if (yyerrstatus)
1340     yyerrstatus--;
1341 
1342   /* Shift the look-ahead token.  */
1343   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
1344 
1345   /* Discard the shifted token unless it is eof.  */
1346   if (yychar != YYEOF)
1347     yychar = YYEMPTY;
1348 
1349   yystate = yyn;
1350   *++yyvsp = yylval;
1351 
1352   goto yynewstate;
1353 
1354 
1355 /*-----------------------------------------------------------.
1356 | yydefault -- do the default action for the current state.  |
1357 `-----------------------------------------------------------*/
1358 yydefault:
1359   yyn = yydefact[yystate];
1360   if (yyn == 0)
1361     goto yyerrlab;
1362   goto yyreduce;
1363 
1364 
1365 /*-----------------------------.
1366 | yyreduce -- Do a reduction.  |
1367 `-----------------------------*/
1368 yyreduce:
1369   /* yyn is the number of a rule to reduce with.  */
1370   yylen = yyr2[yyn];
1371 
1372   /* If YYLEN is nonzero, implement the default value of the action:
1373      `$$ = $1'.
1374 
1375      Otherwise, the following line sets YYVAL to garbage.
1376      This behavior is undocumented and Bison
1377      users should not rely upon it.  Assigning to YYVAL
1378      unconditionally makes the parser a bit smaller, and it avoids a
1379      GCC warning that YYVAL may be used uninitialized.  */
1380   yyval = yyvsp[1-yylen];
1381 
1382 
1383   YY_REDUCE_PRINT (yyn);
1384   switch (yyn)
1385     {
1386         case 2:
1387 #line 62 "glang.y"
1388     { ;}
1389     break;
1390 
1391   case 3:
1392 #line 64 "glang.y"
1393     { debug("ident expr");		gGLReader->newIDExpr((yyvsp[(1) - (3)].strPtr)->c_str(), (yyvsp[(3) - (3)].exprPtr)); delete (yyvsp[(1) - (3)].strPtr); delete (yyvsp[(3) - (3)].exprPtr); ;}
1394     break;
1395 
1396   case 4:
1397 #line 65 "glang.y"
1398     { debug("deflist...");		gGLReader->newIDExpr((yyvsp[(2) - (4)].strPtr)->c_str(), (yyvsp[(4) - (4)].exprPtr)); delete (yyvsp[(2) - (4)].strPtr); delete (yyvsp[(4) - (4)].exprPtr); ;}
1399     break;
1400 
1401   case 5:
1402 #line 68 "glang.y"
1403     { debug("score expr");		(yyval.exprPtr) = gGLReader->newScoreExpr(glangtext);
1404 																			 if (!(yyval.exprPtr)) { glangerror("Error while parsing gmn code"); YYERROR; } ;}
1405     break;
1406 
1407   case 6:
1408 #line 70 "glang.y"
1409     { debug("op expr");			(yyval.exprPtr) = gGLReader->newBinaryExpr((yyvsp[(2) - (3)].strPtr)->c_str(),(yyvsp[(1) - (3)].exprPtr),(yyvsp[(3) - (3)].exprPtr)); clean((yyvsp[(1) - (3)].exprPtr),(yyvsp[(2) - (3)].strPtr),(yyvsp[(3) - (3)].exprPtr)); ;}
1410     break;
1411 
1412   case 7:
1413 #line 71 "glang.y"
1414     { debug("abstract expr");	(yyval.exprPtr) = gGLReader->newAbstractExpr((yyvsp[(3) - (4)].strPtr)->c_str(),(yyvsp[(2) - (4)].exprPtr),(yyvsp[(4) - (4)].exprPtr)); clean((yyvsp[(2) - (4)].exprPtr),(yyvsp[(3) - (4)].strPtr),(yyvsp[(4) - (4)].exprPtr)); ;}
1415     break;
1416 
1417   case 8:
1418 #line 72 "glang.y"
1419     { debug("named expr");		(yyval.exprPtr) = gGLReader->newNamedExpr((yyvsp[(1) - (1)].strPtr)->c_str()); delete (yyvsp[(1) - (1)].strPtr);
1420 																			 if (!(yyval.exprPtr)) { glangerror("Undefined named expression used"); YYERROR; } ;}
1421     break;
1422 
1423   case 9:
1424 #line 74 "glang.y"
1425     { debug("group expr");		(yyval.exprPtr) = gGLReader->newGroupExpr((yyvsp[(1) - (1)].exprPtr)); delete (yyvsp[(1) - (1)].exprPtr); ;}
1426     break;
1427 
1428   case 10:
1429 #line 77 "glang.y"
1430     { debug("group expr"); (yyval.exprPtr) = (yyvsp[(2) - (3)].exprPtr); ;}
1431     break;
1432 
1433   case 11:
1434 #line 79 "glang.y"
1435     { debug("seq");		(yyval.strPtr) = new std::string (glangtext); ;}
1436     break;
1437 
1438   case 12:
1439 #line 80 "glang.y"
1440     { debug("par");		(yyval.strPtr) = new std::string (glangtext); ;}
1441     break;
1442 
1443   case 13:
1444 #line 81 "glang.y"
1445     { debug("head");	(yyval.strPtr) = new std::string (glangtext); ;}
1446     break;
1447 
1448   case 14:
1449 #line 82 "glang.y"
1450     { debug("tail");	(yyval.strPtr) = new std::string (glangtext); ;}
1451     break;
1452 
1453   case 15:
1454 #line 83 "glang.y"
1455     { debug("top");		(yyval.strPtr) = new std::string (glangtext); ;}
1456     break;
1457 
1458   case 16:
1459 #line 84 "glang.y"
1460     { debug("bottom");	(yyval.strPtr) = new std::string (glangtext); ;}
1461     break;
1462 
1463   case 17:
1464 #line 85 "glang.y"
1465     { debug("apply");	(yyval.strPtr) = new std::string (glangtext); ;}
1466     break;
1467 
1468   case 18:
1469 #line 87 "glang.y"
1470     { debug("asep");	(yyval.strPtr) = new std::string (glangtext); ;}
1471     break;
1472 
1473   case 19:
1474 #line 88 "glang.y"
1475     { debug("name");	(yyval.strPtr) = new std::string (glangtext); ;}
1476     break;
1477 
1478 
1479 /* Line 1267 of yacc.c.  */
1480 #line 1481 "glangparse.cpp"
1481       default: break;
1482     }
1483   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
1484 
1485   YYPOPSTACK (yylen);
1486   yylen = 0;
1487   YY_STACK_PRINT (yyss, yyssp);
1488 
1489   *++yyvsp = yyval;
1490 
1491 
1492   /* Now `shift' the result of the reduction.  Determine what state
1493      that goes to, based on the state we popped back to and the rule
1494      number reduced by.  */
1495 
1496   yyn = yyr1[yyn];
1497 
1498   yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
1499   if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
1500     yystate = yytable[yystate];
1501   else
1502     yystate = yydefgoto[yyn - YYNTOKENS];
1503 
1504   goto yynewstate;
1505 
1506 
1507 /*------------------------------------.
1508 | yyerrlab -- here on detecting error |
1509 `------------------------------------*/
1510 yyerrlab:
1511   /* If not already recovering from an error, report this error.  */
1512   if (!yyerrstatus)
1513     {
1514       ++yynerrs;
1515 #if ! YYERROR_VERBOSE
1516       yyerror (YY_("syntax error"));
1517 #else
1518       {
1519 	YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
1520 	if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
1521 	  {
1522 	    YYSIZE_T yyalloc = 2 * yysize;
1523 	    if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
1524 	      yyalloc = YYSTACK_ALLOC_MAXIMUM;
1525 	    if (yymsg != yymsgbuf)
1526 	      YYSTACK_FREE (yymsg);
1527 	    yymsg = (char *) YYSTACK_ALLOC (yyalloc);
1528 	    if (yymsg)
1529 	      yymsg_alloc = yyalloc;
1530 	    else
1531 	      {
1532 		yymsg = yymsgbuf;
1533 		yymsg_alloc = sizeof yymsgbuf;
1534 	      }
1535 	  }
1536 
1537 	if (0 < yysize && yysize <= yymsg_alloc)
1538 	  {
1539 	    (void) yysyntax_error (yymsg, yystate, yychar);
1540 	    yyerror (yymsg);
1541 	  }
1542 	else
1543 	  {
1544 	    yyerror (YY_("syntax error"));
1545 	    if (yysize != 0)
1546 	      goto yyexhaustedlab;
1547 	  }
1548       }
1549 #endif
1550     }
1551 
1552 
1553 
1554   if (yyerrstatus == 3)
1555     {
1556       /* If just tried and failed to reuse look-ahead token after an
1557 	 error, discard it.  */
1558 
1559       if (yychar <= YYEOF)
1560 	{
1561 	  /* Return failure if at end of input.  */
1562 	  if (yychar == YYEOF)
1563 	    YYABORT;
1564 	}
1565       else
1566 	{
1567 	  yydestruct ("Error: discarding",
1568 		      yytoken, &yylval);
1569 	  yychar = YYEMPTY;
1570 	}
1571     }
1572 
1573   /* Else will try to reuse look-ahead token after shifting the error
1574      token.  */
1575   goto yyerrlab1;
1576 
1577 
1578 /*---------------------------------------------------.
1579 | yyerrorlab -- error raised explicitly by YYERROR.  |
1580 `---------------------------------------------------*/
1581 yyerrorlab:
1582 
1583   /* Pacify compilers like GCC when the user code never invokes
1584      YYERROR and the label yyerrorlab therefore never appears in user
1585      code.  */
1586   if (/*CONSTCOND*/ 0)
1587      goto yyerrorlab;
1588 
1589   /* Do not reclaim the symbols of the rule which action triggered
1590      this YYERROR.  */
1591   YYPOPSTACK (yylen);
1592   yylen = 0;
1593   YY_STACK_PRINT (yyss, yyssp);
1594   yystate = *yyssp;
1595   goto yyerrlab1;
1596 
1597 
1598 /*-------------------------------------------------------------.
1599 | yyerrlab1 -- common code for both syntax error and YYERROR.  |
1600 `-------------------------------------------------------------*/
1601 yyerrlab1:
1602   yyerrstatus = 3;	/* Each real token shifted decrements this.  */
1603 
1604   for (;;)
1605     {
1606       yyn = yypact[yystate];
1607       if (yyn != YYPACT_NINF)
1608 	{
1609 	  yyn += YYTERROR;
1610 	  if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
1611 	    {
1612 	      yyn = yytable[yyn];
1613 	      if (0 < yyn)
1614 		break;
1615 	    }
1616 	}
1617 
1618       /* Pop the current state because it cannot handle the error token.  */
1619       if (yyssp == yyss)
1620 	YYABORT;
1621 
1622 
1623       yydestruct ("Error: popping",
1624 		  yystos[yystate], yyvsp);
1625       YYPOPSTACK (1);
1626       yystate = *yyssp;
1627       YY_STACK_PRINT (yyss, yyssp);
1628     }
1629 
1630   if (yyn == YYFINAL)
1631     YYACCEPT;
1632 
1633   *++yyvsp = yylval;
1634 
1635 
1636   /* Shift the error token.  */
1637   YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
1638 
1639   yystate = yyn;
1640   goto yynewstate;
1641 
1642 
1643 /*-------------------------------------.
1644 | yyacceptlab -- YYACCEPT comes here.  |
1645 `-------------------------------------*/
1646 yyacceptlab:
1647   yyresult = 0;
1648   goto yyreturn;
1649 
1650 /*-----------------------------------.
1651 | yyabortlab -- YYABORT comes here.  |
1652 `-----------------------------------*/
1653 yyabortlab:
1654   yyresult = 1;
1655   goto yyreturn;
1656 
1657 #ifndef yyoverflow
1658 /*-------------------------------------------------.
1659 | yyexhaustedlab -- memory exhaustion comes here.  |
1660 `-------------------------------------------------*/
1661 yyexhaustedlab:
1662   yyerror (YY_("memory exhausted"));
1663   yyresult = 2;
1664   /* Fall through.  */
1665 #endif
1666 
1667 yyreturn:
1668   if (yychar != YYEOF && yychar != YYEMPTY)
1669      yydestruct ("Cleanup: discarding lookahead",
1670 		 yytoken, &yylval);
1671   /* Do not reclaim the symbols of the rule which action triggered
1672      this YYABORT or YYACCEPT.  */
1673   YYPOPSTACK (yylen);
1674   YY_STACK_PRINT (yyss, yyssp);
1675   while (yyssp != yyss)
1676     {
1677       yydestruct ("Cleanup: popping",
1678 		  yystos[*yyssp], yyvsp);
1679       YYPOPSTACK (1);
1680     }
1681 #ifndef yyoverflow
1682   if (yyss != yyssa)
1683     YYSTACK_FREE (yyss);
1684 #endif
1685 #if YYERROR_VERBOSE
1686   if (yymsg != yymsgbuf)
1687     YYSTACK_FREE (yymsg);
1688 #endif
1689   /* Make sure YYID is used.  */
1690   return YYID (yyresult);
1691 }
1692 
1693 
1694 #line 90 "glang.y"
1695 
1696 
glangwrap()1697 int	glangwrap()		{ return(1); }
1698 
glangerror(const char * s)1699 int glangerror(const char* s) {
1700 	YY_FLUSH_BUFFER;
1701 	return gGLReader->error(s, glanglineno);
1702 	return 0;
1703 }
1704 
1705 
1706