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json_parser.cc
1 /* A Bison parser, made by GNU Bison 2.3. */
2
3 /* Skeleton implementation for Bison LALR(1) parsers in C++
4
5 Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
21
22 /* As a special exception, you may create a larger work that contains
23 part or all of the Bison parser skeleton and distribute that work
24 under terms of your choice, so long as that work isn't itself a
25 parser generator using the skeleton or a modified version thereof
26 as a parser skeleton. Alternatively, if you modify or redistribute
27 the parser skeleton itself, you may (at your option) remove this
28 special exception, which will cause the skeleton and the resulting
29 Bison output files to be licensed under the GNU General Public
30 License without this special exception.
31
32 This special exception was added by the Free Software Foundation in
33 version 2.2 of Bison. */
34
35
36 #include "json_parser.hh"
37
38 /* User implementation prologue. */
39
40
41 /* Line 317 of lalr1.cc. */
42 #line 43 "json_parser.cc"
43
44 #ifndef YY_
45 # if YYENABLE_NLS
46 # if ENABLE_NLS
47 # include <libintl.h> /* FIXME: INFRINGES ON USER NAME SPACE */
48 # define YY_(msgid) dgettext ("bison-runtime", msgid)
49 # endif
50 # endif
51 # ifndef YY_
52 # define YY_(msgid) msgid
53 # endif
54 #endif
55
56 /* Suppress unused-variable warnings by "using" E. */
57 #define YYUSE(e) ((void) (e))
58
59 /* A pseudo ostream that takes yydebug_ into account. */
60 # define YYCDEBUG \
61 for (bool yydebugcond_ = yydebug_; yydebugcond_; yydebugcond_ = false) \
62 (*yycdebug_)
63
64 /* Enable debugging if requested. */
65 #if YYDEBUG
66
67 # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
68 do { \
69 if (yydebug_) \
70 { \
71 *yycdebug_ << Title << ' '; \
72 yy_symbol_print_ ((Type), (Value), (Location)); \
73 *yycdebug_ << std::endl; \
74 } \
75 } while (false)
76
77 # define YY_REDUCE_PRINT(Rule) \
78 do { \
79 if (yydebug_) \
80 yy_reduce_print_ (Rule); \
81 } while (false)
82
83 # define YY_STACK_PRINT() \
84 do { \
85 if (yydebug_) \
86 yystack_print_ (); \
87 } while (false)
88
89 #else /* !YYDEBUG */
90
91 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
92 # define YY_REDUCE_PRINT(Rule)
93 # define YY_STACK_PRINT()
94
95 #endif /* !YYDEBUG */
96
97 #define YYACCEPT goto yyacceptlab
98 #define YYABORT goto yyabortlab
99 #define YYERROR goto yyerrorlab
100
101 namespace yy
102 {
103 #if YYERROR_VERBOSE
104
105 /* Return YYSTR after stripping away unnecessary quotes and
106 backslashes, so that it's suitable for yyerror. The heuristic is
107 that double-quoting is unnecessary unless the string contains an
108 apostrophe, a comma, or backslash (other than backslash-backslash).
109 YYSTR is taken from yytname. */
110 std::string
111 json_parser::yytnamerr_ (const char *yystr)
112 {
113 if (*yystr == '"')
114 {
115 std::string yyr = "";
116 char const *yyp = yystr;
117
118 for (;;)
119 switch (*++yyp)
120 {
121 case '\'':
122 case ',':
123 goto do_not_strip_quotes;
124
125 case '\\':
126 if (*++yyp != '\\')
127 goto do_not_strip_quotes;
128 /* Fall through. */
129 default:
130 yyr += *yyp;
131 break;
132
133 case '"':
134 return yyr;
135 }
136 do_not_strip_quotes: ;
137 }
138
139 return yystr;
140 }
141
142 #endif
143
145 json_parser::json_parser (QJson::ParserPrivate* driver_yyarg)
146 : yydebug_ (false),
147 yycdebug_ (&std::cerr),
148 driver (driver_yyarg)
149 {
150 }
151
152 json_parser::~json_parser ()
153 {
154 }
155
156 #if YYDEBUG
157 /*--------------------------------.
158 | Print this symbol on YYOUTPUT. |
159 `--------------------------------*/
160
161 inline void
162 json_parser::yy_symbol_value_print_ (int yytype,
163 const semantic_type* yyvaluep, const location_type* yylocationp)
164 {
165 YYUSE (yylocationp);
166 YYUSE (yyvaluep);
167 switch (yytype)
168 {
169 default:
170 break;
171 }
172 }
173
174
175 void
176 json_parser::yy_symbol_print_ (int yytype,
177 const semantic_type* yyvaluep, const location_type* yylocationp)
178 {
179 *yycdebug_ << (yytype < yyntokens_ ? "token" : "nterm")
180 << ' ' << yytname_[yytype] << " ("
181 << *yylocationp << ": ";
182 yy_symbol_value_print_ (yytype, yyvaluep, yylocationp);
183 *yycdebug_ << ')';
184 }
185 #endif /* ! YYDEBUG */
186
187 void
188 json_parser::yydestruct_ (const char* yymsg,
189 int yytype, semantic_type* yyvaluep, location_type* yylocationp)
190 {
191 YYUSE (yylocationp);
192 YYUSE (yymsg);
193 YYUSE (yyvaluep);
194
195 YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
196
197 switch (yytype)
198 {
199
200 default:
201 break;
202 }
203 }
204
205 void
206 json_parser::yypop_ (unsigned int n)
207 {
208 yystate_stack_.pop (n);
209 yysemantic_stack_.pop (n);
210 yylocation_stack_.pop (n);
211 }
212
213 std::ostream&
214 json_parser::debug_stream () const
215 {
216 return *yycdebug_;
217 }
218
219 void
220 json_parser::set_debug_stream (std::ostream& o)
221 {
222 yycdebug_ = &o;
223 }
224
225
226 json_parser::debug_level_type
227 json_parser::debug_level () const
228 {
229 return yydebug_;
230 }
231
232 void
233 json_parser::set_debug_level (debug_level_type l)
234 {
235 yydebug_ = l;
236 }
237
238
239 int
240 json_parser::parse ()
241 {
243 int yychar = yyempty_;
244 int yytoken = 0;
245
246 /* State. */
247 int yyn;
248 int yylen = 0;
249 int yystate = 0;
250
251 /* Error handling. */
252 int yynerrs_ = 0;
253 int yyerrstatus_ = 0;
254
256 semantic_type yylval;
258 location_type yylloc;
260 location yyerror_range[2];
261
263 semantic_type yyval;
265 location_type yyloc;
266
267 int yyresult;
268
269 YYCDEBUG << "Starting parse" << std::endl;
270
271
272 /* Initialize the stacks. The initial state will be pushed in
273 yynewstate, since the latter expects the semantical and the
274 location values to have been already stored, initialize these
275 stacks with a primary value. */
276 yystate_stack_ = state_stack_type (0);
277 yysemantic_stack_ = semantic_stack_type (0);
278 yylocation_stack_ = location_stack_type (0);
279 yysemantic_stack_.push (yylval);
280 yylocation_stack_.push (yylloc);
281
282 /* New state. */
283 yynewstate:
284 yystate_stack_.push (yystate);
285 YYCDEBUG << "Entering state " << yystate << std::endl;
286 goto yybackup;
287
288 /* Backup. */
289 yybackup:
290
291 /* Try to take a decision without look-ahead. */
292 yyn = yypact_[yystate];
293 if (yyn == yypact_ninf_)
294 goto yydefault;
295
296 /* Read a look-ahead token. */
297 if (yychar == yyempty_)
298 {
299 YYCDEBUG << "Reading a token: ";
300 yychar = yylex (&yylval, &yylloc, driver);
301 }
302
303
304 /* Convert token to internal form. */
305 if (yychar <= yyeof_)
306 {
307 yychar = yytoken = yyeof_;
308 YYCDEBUG << "Now at end of input." << std::endl;
309 }
310 else
311 {
312 yytoken = yytranslate_ (yychar);
313 YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
314 }
315
316 /* If the proper action on seeing token YYTOKEN is to reduce or to
317 detect an error, take that action. */
318 yyn += yytoken;
319 if (yyn < 0 || yylast_ < yyn || yycheck_[yyn] != yytoken)
320 goto yydefault;
321
322 /* Reduce or error. */
323 yyn = yytable_[yyn];
324 if (yyn <= 0)
325 {
326 if (yyn == 0 || yyn == yytable_ninf_)
327 goto yyerrlab;
328 yyn = -yyn;
329 goto yyreduce;
330 }
331
332 /* Accept? */
333 if (yyn == yyfinal_)
334 goto yyacceptlab;
335
336 /* Shift the look-ahead token. */
337 YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
338
339 /* Discard the token being shifted unless it is eof. */
340 if (yychar != yyeof_)
341 yychar = yyempty_;
342
343 yysemantic_stack_.push (yylval);
344 yylocation_stack_.push (yylloc);
345
346 /* Count tokens shifted since error; after three, turn off error
347 status. */
348 if (yyerrstatus_)
349 --yyerrstatus_;
350
351 yystate = yyn;
352 goto yynewstate;
353
354 /*-----------------------------------------------------------.
355 | yydefault -- do the default action for the current state. |
356 `-----------------------------------------------------------*/
357 yydefault:
358 yyn = yydefact_[yystate];
359 if (yyn == 0)
360 goto yyerrlab;
361 goto yyreduce;
362
363 /*-----------------------------.
364 | yyreduce -- Do a reduction. |
365 `-----------------------------*/
366 yyreduce:
367 yylen = yyr2_[yyn];
368 /* If YYLEN is nonzero, implement the default value of the action:
369 `$$ = $1'. Otherwise, use the top of the stack.
370
371 Otherwise, the following line sets YYVAL to garbage.
372 This behavior is undocumented and Bison
373 users should not rely upon it. */
374 if (yylen)
375 yyval = yysemantic_stack_[yylen - 1];
376 else
377 yyval = yysemantic_stack_[0];
378
379 {
380 slice<location_type, location_stack_type> slice (yylocation_stack_, yylen);
381 YYLLOC_DEFAULT (yyloc, slice, yylen);
382 }
383 YY_REDUCE_PRINT (yyn);
384 switch (yyn)
385 {
386 case 2:
387 #line 84 "json_parser.yy"
388 {
389 driver->m_result = (yysemantic_stack_[(1) - (1)]);
390 qjsonDebug() << "json_parser - parsing finished";
391 ;}
392 break;
393
394 case 3:
395 #line 89 "json_parser.yy"
396 { (yyval) = (yysemantic_stack_[(1) - (1)]); ;}
397 break;
398
399 case 4:
400 #line 91 "json_parser.yy"
401 {
402 qCritical()<< "json_parser - syntax error found, "
403 << "forcing abort, Line" << (yyloc).begin.line << "Column" << (yyloc).begin.column;
404 YYABORT;
405 ;}
406 break;
407
408 case 6:
409 #line 98 "json_parser.yy"
410 { (yyval) = (yysemantic_stack_[(3) - (2)]); ;}
411 break;
412
413 case 7:
414 #line 100 "json_parser.yy"
415 { (yyval) = QVariant (QVariantMap()); ;}
416 break;
417
418 case 8:
419 #line 101 "json_parser.yy"
420 {
421 QVariantMap members = (yysemantic_stack_[(2) - (2)]).toMap();
422 (yysemantic_stack_[(2) - (2)]) = QVariant(); // Allow reuse of map
423 (yyval) = QVariant(members.unite ((yysemantic_stack_[(2) - (1)]).toMap()));
424 ;}
425 break;
426
427 case 9:
428 #line 107 "json_parser.yy"
429 { (yyval) = QVariant (QVariantMap()); ;}
430 break;
431
432 case 10:
433 #line 108 "json_parser.yy"
434 {
435 QVariantMap members = (yysemantic_stack_[(3) - (3)]).toMap();
436 (yysemantic_stack_[(3) - (3)]) = QVariant(); // Allow reuse of map
437 (yyval) = QVariant(members.unite ((yysemantic_stack_[(3) - (2)]).toMap()));
438 ;}
439 break;
440
441 case 11:
442 #line 114 "json_parser.yy"
443 {
444 QVariantMap pair;
445 pair.insert ((yysemantic_stack_[(3) - (1)]).toString(), QVariant((yysemantic_stack_[(3) - (3)])));
446 (yyval) = QVariant (pair);
447 ;}
448 break;
449
450 case 12:
451 #line 120 "json_parser.yy"
452 { (yyval) = (yysemantic_stack_[(3) - (2)]); ;}
453 break;
454
455 case 13:
456 #line 122 "json_parser.yy"
457 { (yyval) = QVariant (QVariantList()); ;}
458 break;
459
460 case 14:
461 #line 123 "json_parser.yy"
462 {
463 QVariantList members = (yysemantic_stack_[(2) - (2)]).toList();
464 (yysemantic_stack_[(2) - (2)]) = QVariant(); // Allow reuse of list
465 members.prepend ((yysemantic_stack_[(2) - (1)]));
466 (yyval) = QVariant(members);
467 ;}
468 break;
469
470 case 15:
471 #line 130 "json_parser.yy"
472 { (yyval) = QVariant (QVariantList()); ;}
473 break;
474
475 case 16:
476 #line 131 "json_parser.yy"
477 {
478 QVariantList members = (yysemantic_stack_[(3) - (3)]).toList();
479 (yysemantic_stack_[(3) - (3)]) = QVariant(); // Allow reuse of list
480 members.prepend ((yysemantic_stack_[(3) - (2)]));
481 (yyval) = QVariant(members);
482 ;}
483 break;
484
485 case 17:
486 #line 138 "json_parser.yy"
487 { (yyval) = (yysemantic_stack_[(1) - (1)]); ;}
488 break;
489
490 case 18:
491 #line 139 "json_parser.yy"
492 { (yyval) = (yysemantic_stack_[(1) - (1)]); ;}
493 break;
494
495 case 19:
496 #line 140 "json_parser.yy"
497 { (yyval) = (yysemantic_stack_[(1) - (1)]); ;}
498 break;
499
500 case 20:
501 #line 141 "json_parser.yy"
502 { (yyval) = (yysemantic_stack_[(1) - (1)]); ;}
503 break;
504
505 case 21:
506 #line 142 "json_parser.yy"
507 { (yyval) = QVariant (true); ;}
508 break;
509
510 case 22:
511 #line 143 "json_parser.yy"
512 { (yyval) = QVariant (false); ;}
513 break;
514
515 case 23:
516 #line 144 "json_parser.yy"
517 {
518 QVariant null_variant;
519 (yyval) = null_variant;
520 ;}
521 break;
522
523 case 24:
524 #line 149 "json_parser.yy"
525 { (yyval) = QVariant(QVariant::Double); (yyval).setValue( -std::numeric_limits<double>::infinity() ); ;}
526 break;
527
528 case 25:
529 #line 150 "json_parser.yy"
530 { (yyval) = QVariant(QVariant::Double); (yyval).setValue( std::numeric_limits<double>::infinity() ); ;}
531 break;
532
533 case 26:
534 #line 151 "json_parser.yy"
535 { (yyval) = QVariant(QVariant::Double); (yyval).setValue( std::numeric_limits<double>::quiet_NaN() ); ;}
536 break;
537
538 case 28:
539 #line 154 "json_parser.yy"
540 {
541 if ((yysemantic_stack_[(1) - (1)]).toByteArray().startsWith('-')) {
542 (yyval) = QVariant (QVariant::LongLong);
543 (yyval).setValue((yysemantic_stack_[(1) - (1)]).toLongLong());
544 }
545 else {
546 (yyval) = QVariant (QVariant::ULongLong);
547 (yyval).setValue((yysemantic_stack_[(1) - (1)]).toULongLong());
548 }
549 ;}
550 break;
551
552 case 29:
553 #line 164 "json_parser.yy"
554 {
555 const QByteArray value = (yysemantic_stack_[(2) - (1)]).toByteArray() + (yysemantic_stack_[(2) - (2)]).toByteArray();
556 (yyval) = QVariant(QVariant::Double);
557 (yyval).setValue(value.toDouble());
558 ;}
559 break;
560
561 case 30:
562 #line 169 "json_parser.yy"
563 { (yyval) = QVariant ((yysemantic_stack_[(2) - (1)]).toByteArray() + (yysemantic_stack_[(2) - (2)]).toByteArray()); ;}
564 break;
565
566 case 31:
567 #line 170 "json_parser.yy"
568 {
569 const QByteArray value = (yysemantic_stack_[(3) - (1)]).toByteArray() + (yysemantic_stack_[(3) - (2)]).toByteArray() + (yysemantic_stack_[(3) - (3)]).toByteArray();
570 (yyval) = QVariant (value);
571 ;}
572 break;
573
574 case 32:
575 #line 175 "json_parser.yy"
576 { (yyval) = QVariant ((yysemantic_stack_[(2) - (1)]).toByteArray() + (yysemantic_stack_[(2) - (2)]).toByteArray()); ;}
577 break;
578
579 case 33:
580 #line 176 "json_parser.yy"
581 { (yyval) = QVariant (QByteArray("-") + (yysemantic_stack_[(3) - (2)]).toByteArray() + (yysemantic_stack_[(3) - (3)]).toByteArray()); ;}
582 break;
583
584 case 34:
585 #line 178 "json_parser.yy"
586 { (yyval) = QVariant (QByteArray("")); ;}
587 break;
588
589 case 35:
590 #line 179 "json_parser.yy"
591 {
592 (yyval) = QVariant((yysemantic_stack_[(2) - (1)]).toByteArray() + (yysemantic_stack_[(2) - (2)]).toByteArray());
593 ;}
594 break;
595
596 case 36:
597 #line 183 "json_parser.yy"
598 {
599 (yyval) = QVariant(QByteArray(".") + (yysemantic_stack_[(2) - (2)]).toByteArray());
600 ;}
601 break;
602
603 case 37:
604 #line 187 "json_parser.yy"
605 { (yyval) = QVariant((yysemantic_stack_[(2) - (1)]).toByteArray() + (yysemantic_stack_[(2) - (2)]).toByteArray()); ;}
606 break;
607
608 case 38:
609 #line 189 "json_parser.yy"
610 { (yyval) = (yysemantic_stack_[(3) - (2)]); ;}
611 break;
612
613 case 39:
614 #line 191 "json_parser.yy"
615 { (yyval) = QVariant (QString(QLatin1String(""))); ;}
616 break;
617
618 case 40:
619 #line 192 "json_parser.yy"
620 {
621 (yyval) = (yysemantic_stack_[(1) - (1)]);
622 ;}
623 break;
624
625
626 /* Line 675 of lalr1.cc. */
627 #line 628 "json_parser.cc"
628 default: break;
629 }
630 YY_SYMBOL_PRINT ("-> $$ =", yyr1_[yyn], &yyval, &yyloc);
631
632 yypop_ (yylen);
633 yylen = 0;
634 YY_STACK_PRINT ();
635
636 yysemantic_stack_.push (yyval);
637 yylocation_stack_.push (yyloc);
638
639 /* Shift the result of the reduction. */
640 yyn = yyr1_[yyn];
641 yystate = yypgoto_[yyn - yyntokens_] + yystate_stack_[0];
642 if (0 <= yystate && yystate <= yylast_
643 && yycheck_[yystate] == yystate_stack_[0])
644 yystate = yytable_[yystate];
645 else
646 yystate = yydefgoto_[yyn - yyntokens_];
647 goto yynewstate;
648
649 /*------------------------------------.
650 | yyerrlab -- here on detecting error |
651 `------------------------------------*/
652 yyerrlab:
653 /* If not already recovering from an error, report this error. */
654 if (!yyerrstatus_)
655 {
656 ++yynerrs_;
657 error (yylloc, yysyntax_error_ (yystate, yytoken));
658 }
659
660 yyerror_range[0] = yylloc;
661 if (yyerrstatus_ == 3)
662 {
663 /* If just tried and failed to reuse look-ahead token after an
664 error, discard it. */
665
666 if (yychar <= yyeof_)
667 {
668 /* Return failure if at end of input. */
669 if (yychar == yyeof_)
670 YYABORT;
671 }
672 else
673 {
674 yydestruct_ ("Error: discarding", yytoken, &yylval, &yylloc);
675 yychar = yyempty_;
676 }
677 }
678
679 /* Else will try to reuse look-ahead token after shifting the error
680 token. */
681 goto yyerrlab1;
682
683
684 /*---------------------------------------------------.
685 | yyerrorlab -- error raised explicitly by YYERROR. |
686 `---------------------------------------------------*/
687 yyerrorlab:
688
689 /* Pacify compilers like GCC when the user code never invokes
690 YYERROR and the label yyerrorlab therefore never appears in user
691 code. */
692 if (false)
693 goto yyerrorlab;
694
695 yyerror_range[0] = yylocation_stack_[yylen - 1];
696 /* Do not reclaim the symbols of the rule which action triggered
697 this YYERROR. */
698 yypop_ (yylen);
699 yylen = 0;
700 yystate = yystate_stack_[0];
701 goto yyerrlab1;
702
703 /*-------------------------------------------------------------.
704 | yyerrlab1 -- common code for both syntax error and YYERROR. |
705 `-------------------------------------------------------------*/
706 yyerrlab1:
707 yyerrstatus_ = 3; /* Each real token shifted decrements this. */
708
709 for (;;)
710 {
711 yyn = yypact_[yystate];
712 if (yyn != yypact_ninf_)
713 {
714 yyn += yyterror_;
715 if (0 <= yyn && yyn <= yylast_ && yycheck_[yyn] == yyterror_)
716 {
717 yyn = yytable_[yyn];
718 if (0 < yyn)
719 break;
720 }
721 }
722
723 /* Pop the current state because it cannot handle the error token. */
724 if (yystate_stack_.height () == 1)
725 YYABORT;
726
727 yyerror_range[0] = yylocation_stack_[0];
728 yydestruct_ ("Error: popping",
729 yystos_[yystate],
730 &yysemantic_stack_[0], &yylocation_stack_[0]);
731 yypop_ ();
732 yystate = yystate_stack_[0];
733 YY_STACK_PRINT ();
734 }
735
736 if (yyn == yyfinal_)
737 goto yyacceptlab;
738
739 yyerror_range[1] = yylloc;
740 // Using YYLLOC is tempting, but would change the location of
741 // the look-ahead. YYLOC is available though.
742 YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
743 yysemantic_stack_.push (yylval);
744 yylocation_stack_.push (yyloc);
745
746 /* Shift the error token. */
747 YY_SYMBOL_PRINT ("Shifting", yystos_[yyn],
748 &yysemantic_stack_[0], &yylocation_stack_[0]);
749
750 yystate = yyn;
751 goto yynewstate;
752
753 /* Accept. */
754 yyacceptlab:
755 yyresult = 0;
756 goto yyreturn;
757
758 /* Abort. */
759 yyabortlab:
760 yyresult = 1;
761 goto yyreturn;
762
763 yyreturn:
764 if (yychar != yyeof_ && yychar != yyempty_)
765 yydestruct_ ("Cleanup: discarding lookahead", yytoken, &yylval, &yylloc);
766
767 /* Do not reclaim the symbols of the rule which action triggered
768 this YYABORT or YYACCEPT. */
769 yypop_ (yylen);
770 while (yystate_stack_.height () != 1)
771 {
772 yydestruct_ ("Cleanup: popping",
773 yystos_[yystate_stack_[0]],
774 &yysemantic_stack_[0],
775 &yylocation_stack_[0]);
776 yypop_ ();
777 }
778
779 return yyresult;
780 }
781
782 // Generate an error message.
783 std::string
784 json_parser::yysyntax_error_ (int yystate, int tok)
785 {
786 std::string res;
787 YYUSE (yystate);
788 #if YYERROR_VERBOSE
789 int yyn = yypact_[yystate];
790 if (yypact_ninf_ < yyn && yyn <= yylast_)
791 {
792 /* Start YYX at -YYN if negative to avoid negative indexes in
793 YYCHECK. */
794 int yyxbegin = yyn < 0 ? -yyn : 0;
795
796 /* Stay within bounds of both yycheck and yytname. */
797 int yychecklim = yylast_ - yyn + 1;
798 int yyxend = yychecklim < yyntokens_ ? yychecklim : yyntokens_;
799 int count = 0;
800 for (int x = yyxbegin; x < yyxend; ++x)
801 if (yycheck_[x + yyn] == x && x != yyterror_)
802 ++count;
803
804 // FIXME: This method of building the message is not compatible
805 // with internationalization. It should work like yacc.c does it.
806 // That is, first build a string that looks like this:
807 // "syntax error, unexpected %s or %s or %s"
808 // Then, invoke YY_ on this string.
809 // Finally, use the string as a format to output
810 // yytname_[tok], etc.
811 // Until this gets fixed, this message appears in English only.
812 res = "syntax error, unexpected ";
813 res += yytnamerr_ (yytname_[tok]);
814 if (count < 5)
815 {
816 count = 0;
817 for (int x = yyxbegin; x < yyxend; ++x)
818 if (yycheck_[x + yyn] == x && x != yyterror_)
819 {
820 res += (!count++) ? ", expecting " : " or ";
821 res += yytnamerr_ (yytname_[x]);
822 }
823 }
824 }
825 else
826 #endif
827 res = YY_("syntax error");
828 return res;
829 }
830
831
832 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
833 STATE-NUM. */
834 const signed char json_parser::yypact_ninf_ = -21;
835 const signed char
836 json_parser::yypact_[] =
837 {
838 3, -21, -21, -6, 31, -10, 0, -21, -21, -21,
839 6, -21, -21, 25, -21, -21, -21, -21, -21, -21,
840 -5, -21, 22, 19, 21, 23, 24, 0, -21, 0,
841 -21, -21, 13, -21, 0, 0, 29, -21, -21, -6,
842 -21, 31, -21, 31, -21, -21, -21, -21, -21, -21,
843 -21, 19, -21, 24, -21, -21
844 };
845
846 /* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
847 doesn't specify something else to do. Zero means the default is an
848 error. */
849 const unsigned char
850 json_parser::yydefact_[] =
851 {
852 0, 5, 4, 7, 13, 0, 34, 21, 22, 23,
853 39, 25, 26, 0, 2, 19, 20, 3, 18, 27,
854 28, 17, 0, 9, 0, 0, 15, 34, 24, 34,
855 32, 40, 0, 1, 34, 34, 29, 30, 6, 0,
856 8, 0, 12, 0, 14, 33, 35, 38, 36, 37,
857 31, 9, 11, 15, 10, 16
858 };
859
860 /* YYPGOTO[NTERM-NUM]. */
861 const signed char
862 json_parser::yypgoto_[] =
863 {
864 -21, -21, -21, -21, -21, -20, 4, -21, -21, -18,
865 -4, -21, -21, -21, -14, -21, -3, -1, -21
866 };
867
868 /* YYDEFGOTO[NTERM-NUM]. */
869 const signed char
870 json_parser::yydefgoto_[] =
871 {
872 -1, 13, 14, 15, 22, 40, 23, 16, 25, 44,
873 17, 18, 19, 20, 30, 36, 37, 21, 32
874 };
875
876 /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
877 positive, shift that token. If negative, reduce the rule which
878 number is the opposite. If zero, do what YYDEFACT says. */
879 const signed char json_parser::yytable_ninf_ = -1;
880 const unsigned char
881 json_parser::yytable_[] =
882 {
883 26, 27, 24, 1, 2, 34, 3, 35, 4, 28,
884 10, 29, 5, 45, 6, 46, 7, 8, 9, 10,
885 48, 49, 11, 12, 31, 33, 38, 39, 41, 42,
886 47, 54, 43, 50, 3, 55, 4, 52, 24, 53,
887 5, 35, 6, 51, 7, 8, 9, 10, 0, 0,
888 11, 12
889 };
890
891 /* YYCHECK. */
892 const signed char
893 json_parser::yycheck_[] =
894 {
895 4, 11, 3, 0, 1, 10, 3, 12, 5, 19,
896 16, 11, 9, 27, 11, 29, 13, 14, 15, 16,
897 34, 35, 19, 20, 18, 0, 4, 8, 7, 6,
898 17, 51, 8, 36, 3, 53, 5, 41, 39, 43,
899 9, 12, 11, 39, 13, 14, 15, 16, -1, -1,
900 19, 20
901 };
902
903 /* STOS_[STATE-NUM] -- The (internal number of the) accessing
904 symbol of state STATE-NUM. */
905 const unsigned char
906 json_parser::yystos_[] =
907 {
908 0, 0, 1, 3, 5, 9, 11, 13, 14, 15,
909 16, 19, 20, 22, 23, 24, 28, 31, 32, 33,
910 34, 38, 25, 27, 38, 29, 31, 11, 19, 11,
911 35, 18, 39, 0, 10, 12, 36, 37, 4, 8,
912 26, 7, 6, 8, 30, 35, 35, 17, 35, 35,
913 37, 27, 31, 31, 26, 30
914 };
915
916 #if YYDEBUG
917 /* TOKEN_NUMBER_[YYLEX-NUM] -- Internal symbol number corresponding
918 to YYLEX-NUM. */
919 const unsigned short int
920 json_parser::yytoken_number_[] =
921 {
922 0, 256, 257, 1, 2, 3, 4, 5, 6, 7,
923 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
924 18
925 };
926 #endif
927
928 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
929 const unsigned char
930 json_parser::yyr1_[] =
931 {
932 0, 21, 22, 23, 23, 23, 24, 25, 25, 26,
933 26, 27, 28, 29, 29, 30, 30, 31, 31, 31,
934 31, 31, 31, 31, 32, 32, 32, 32, 33, 33,
935 33, 33, 34, 34, 35, 35, 36, 37, 38, 39,
936 39
937 };
938
939 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
940 const unsigned char
941 json_parser::yyr2_[] =
942 {
943 0, 2, 1, 1, 1, 1, 3, 0, 2, 0,
944 3, 3, 3, 0, 2, 0, 3, 1, 1, 1,
945 1, 1, 1, 1, 2, 1, 1, 1, 1, 2,
946 2, 3, 2, 3, 0, 2, 2, 2, 3, 0,
947 1
948 };
949
950 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
951 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
952 First, the terminals, then, starting at \a yyntokens_, nonterminals. */
953 const char*
954 const json_parser::yytname_[] =
955 {
956 "\"end of file\"", "error", "$undefined", "\"{\"", "\"}\"", "\"[\"",
957 "\"]\"", "\":\"", "\",\"", "\"-\"", "\".\"", "\"digit\"",
958 "\"exponential\"", "\"true\"", "\"false\"", "\"null\"",
959 "\"open quotation mark\"", "\"close quotation mark\"", "\"string\"",
960 "\"Infinity\"", "\"NaN\"", "$accept", "start", "data", "object",
961 "members", "r_members", "pair", "array", "values", "r_values", "value",
962 "special_or_number", "number", "int", "digits", "fract", "exp", "string",
963 "string_arg", 0
964 };
965 #endif
966
967 #if YYDEBUG
968 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
969 const json_parser::rhs_number_type
970 json_parser::yyrhs_[] =
971 {
972 22, 0, -1, 23, -1, 31, -1, 1, -1, 0,
973 -1, 3, 25, 4, -1, -1, 27, 26, -1, -1,
974 8, 27, 26, -1, 38, 7, 31, -1, 5, 29,
975 6, -1, -1, 31, 30, -1, -1, 8, 31, 30,
976 -1, 38, -1, 32, -1, 24, -1, 28, -1, 13,
977 -1, 14, -1, 15, -1, 9, 19, -1, 19, -1,
978 20, -1, 33, -1, 34, -1, 34, 36, -1, 34,
979 37, -1, 34, 36, 37, -1, 11, 35, -1, 9,
980 11, 35, -1, -1, 11, 35, -1, 10, 35, -1,
981 12, 35, -1, 16, 39, 17, -1, -1, 18, -1
982 };
983
984 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
985 YYRHS. */
986 const unsigned char
987 json_parser::yyprhs_[] =
988 {
989 0, 0, 3, 5, 7, 9, 11, 15, 16, 19,
990 20, 24, 28, 32, 33, 36, 37, 41, 43, 45,
991 47, 49, 51, 53, 55, 58, 60, 62, 64, 66,
992 69, 72, 76, 79, 83, 84, 87, 90, 93, 97,
993 98
994 };
995
996 /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
997 const unsigned char
998 json_parser::yyrline_[] =
999 {
1000 0, 84, 84, 89, 90, 96, 98, 100, 101, 107,
1001 108, 114, 120, 122, 123, 130, 131, 138, 139, 140,
1002 141, 142, 143, 144, 149, 150, 151, 152, 154, 164,
1003 169, 170, 175, 176, 178, 179, 183, 187, 189, 191,
1004 192
1005 };
1006
1007 // Print the state stack on the debug stream.
1008 void
1009 json_parser::yystack_print_ ()
1010 {
1011 *yycdebug_ << "Stack now";
1012 for (state_stack_type::const_iterator i = yystate_stack_.begin ();
1013 i != yystate_stack_.end (); ++i)
1014 *yycdebug_ << ' ' << *i;
1015 *yycdebug_ << std::endl;
1016 }
1017
1018 // Report on the debug stream that the rule \a yyrule is going to be reduced.
1019 void
1020 json_parser::yy_reduce_print_ (int yyrule)
1021 {
1022 unsigned int yylno = yyrline_[yyrule];
1023 int yynrhs = yyr2_[yyrule];
1024 /* Print the symbols being reduced, and their result. */
1025 *yycdebug_ << "Reducing stack by rule " << yyrule - 1
1026 << " (line " << yylno << "), ";
1027 /* The symbols being reduced. */
1028 for (int yyi = 0; yyi < yynrhs; yyi++)
1029 YY_SYMBOL_PRINT (" $" << yyi + 1 << " =",
1030 yyrhs_[yyprhs_[yyrule] + yyi],
1031 &(yysemantic_stack_[(yynrhs) - (yyi + 1)]),
1032 &(yylocation_stack_[(yynrhs) - (yyi + 1)]));
1033 }
1034 #endif // YYDEBUG
1035
1036 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
1037 json_parser::token_number_type
1038 json_parser::yytranslate_ (int t)
1039 {
1040 static
1041 const token_number_type
1042 translate_table[] =
1043 {
1044 0, 3, 4, 5, 6, 7, 8, 9, 10, 11,
1045 12, 13, 14, 15, 16, 17, 18, 19, 20, 2,
1046 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1047 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1048 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1049 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1050 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1051 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1052 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1053 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1054 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1055 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1056 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1057 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1058 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1059 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1060 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1061 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1062 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1063 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1064 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1065 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1066 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1067 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1068 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1069 2, 2, 2, 2, 2, 2, 1, 2
1070 };
1071 if ((unsigned int) t <= yyuser_token_number_max_)
1072 return translate_table[t];
1073 else
1074 return yyundef_token_;
1075 }
1076
1077 const int json_parser::yyeof_ = 0;
1078 const int json_parser::yylast_ = 51;
1079 const int json_parser::yynnts_ = 19;
1080 const int json_parser::yyempty_ = -2;
1081 const int json_parser::yyfinal_ = 33;
1082 const int json_parser::yyterror_ = 1;
1083 const int json_parser::yyerrcode_ = 256;
1084 const int json_parser::yyntokens_ = 21;
1085
1086 const unsigned int json_parser::yyuser_token_number_max_ = 257;
1087 const json_parser::token_number_type json_parser::yyundef_token_ = 2;
1088
1089 } // namespace yy
1090
1091 #line 196 "json_parser.yy"
1092
1093
1094 int yy::yylex(YYSTYPE *yylval, yy::location *yylloc, QJson::ParserPrivate* driver)
1095 {
1096 JSonScanner* scanner = driver->m_scanner;
1097 yylval->clear();
1098 int ret = scanner->yylex(yylval, yylloc);
1099
1100 qjsonDebug() << "json_parser::yylex - calling scanner yylval==|"
1101 << yylval->toByteArray() << "|, ret==|" << QString::number(ret) << "|";
1102
1103 return ret;
1104 }
1105
1106 void yy::json_parser::error (const yy::location& yyloc,
1107 const std::string& error)
1108 {
1109 /*qjsonDebug() << yyloc.begin.line;
1110 qjsonDebug() << yyloc.begin.column;
1111 qjsonDebug() << yyloc.end.line;
1112 qjsonDebug() << yyloc.end.column;*/
1113 qjsonDebug() << "json_parser::error [line" << yyloc.end.line << "] -" << error.c_str() ;
1114 driver->setError(QString::fromLatin1(error.c_str()), yyloc.end.line);
1115 }
1116
yy::json_parser::json_parser
json_parser(QJson::ParserPrivate *driver_yyarg)
Build a parser object.
Definition: json_parser.cc:145
yy::json_parser::set_debug_stream
void set_debug_stream(std::ostream &)
Set the current debugging stream.
Definition: json_parser.cc:220
yy::json_parser::set_debug_level
void set_debug_level(debug_level_type l)
Set the current debugging level.
Definition: json_parser.cc:233
yy::json_parser::debug_level
debug_level_type debug_level() const
The current debugging level.
Definition: json_parser.cc:227
yy::location::end
position end
End of the located region.
Definition: location.hh:96
yy::json_parser::debug_level_type
int debug_level_type
Type for debugging levels.
Definition: json_parser.hh:174
yy::json_parser::semantic_type
YYSTYPE semantic_type
Symbol semantic values.
Definition: json_parser.hh:126
yy::slice
Present a slice of the top of a stack.
Definition: stack.hh:105
yy::json_parser::parse
virtual int parse()
Definition: json_parser.cc:240
yy::location
Abstract a location.
Definition: location.hh:51
yy
Definition: json_parser.cc:101
yy::json_parser::debug_stream
std::ostream & debug_stream() const
The current debugging stream.
Definition: json_parser.cc:214
yy::position::line
unsigned int line
Current line number.
Definition: position.hh:94

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