Line data Source code
1 : /* A Bison parser, made by GNU Bison 3.8.2. */
2 :
3 : /* Bison implementation for Yacc-like parsers in C
4 :
5 : Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation,
6 : 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 3 of the License, or
11 : (at your option) 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, see <https://www.gnu.org/licenses/>. */
20 :
21 : /* As a special exception, you may create a larger work that contains
22 : part or all of the Bison parser skeleton and distribute that work
23 : under terms of your choice, so long as that work isn't itself a
24 : parser generator using the skeleton or a modified version thereof
25 : as a parser skeleton. Alternatively, if you modify or redistribute
26 : the parser skeleton itself, you may (at your option) remove this
27 : special exception, which will cause the skeleton and the resulting
28 : Bison output files to be licensed under the GNU General Public
29 : License without this special exception.
30 :
31 : This special exception was added by the Free Software Foundation in
32 : version 2.2 of Bison. */
33 :
34 : /* C LALR(1) parser skeleton written by Richard Stallman, by
35 : simplifying the original so-called "semantic" parser. */
36 :
37 : /* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
38 : especially those whose name start with YY_ or yy_. They are
39 : private implementation details that can be changed or removed. */
40 :
41 : /* All symbols defined below should begin with yy or YY, to avoid
42 : infringing on user name space. This should be done even for local
43 : variables, as they might otherwise be expanded by user macros.
44 : There are some unavoidable exceptions within include files to
45 : define necessary library symbols; they are noted "INFRINGES ON
46 : USER NAME SPACE" below. */
47 :
48 : /* Identify Bison output, and Bison version. */
49 : #define YYBISON 30802
50 :
51 : /* Bison version string. */
52 : #define YYBISON_VERSION "3.8.2"
53 :
54 : /* Skeleton name. */
55 : #define YYSKELETON_NAME "yacc.c"
56 :
57 : /* Pure parsers. */
58 : #define YYPURE 1
59 :
60 : /* Push parsers. */
61 : #define YYPUSH 0
62 :
63 : /* Pull parsers. */
64 : #define YYPULL 1
65 :
66 :
67 : /* Substitute the variable and function names. */
68 : #define yyparse pgpa_yyparse
69 : #define yylex pgpa_yylex
70 : #define yyerror pgpa_yyerror
71 : #define yydebug pgpa_yydebug
72 : #define yynerrs pgpa_yynerrs
73 :
74 : /* First part of user prologue. */
75 : #line 1 "pgpa_parser.y"
76 :
77 : /*
78 : * Parser for plan advice
79 : *
80 : * Copyright (c) 2000-2026, PostgreSQL Global Development Group
81 : *
82 : * contrib/pg_plan_advice/pgpa_parser.y
83 : */
84 :
85 : #include "postgres.h"
86 :
87 : #include <float.h>
88 : #include <math.h>
89 :
90 : #include "fmgr.h"
91 : #include "nodes/miscnodes.h"
92 : #include "utils/builtins.h"
93 : #include "utils/float.h"
94 :
95 : #include "pgpa_ast.h"
96 : #include "pgpa_parser.h"
97 :
98 : /*
99 : * Bison doesn't allocate anything that needs to live across parser calls,
100 : * so we can easily have it use palloc instead of malloc. This prevents
101 : * memory leaks if we error out during parsing.
102 : */
103 : #define YYMALLOC palloc
104 : #define YYFREE pfree
105 :
106 : #line 107 "pgpa_parser.c"
107 :
108 : # ifndef YY_CAST
109 : # ifdef __cplusplus
110 : # define YY_CAST(Type, Val) static_cast<Type> (Val)
111 : # define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast<Type> (Val)
112 : # else
113 : # define YY_CAST(Type, Val) ((Type) (Val))
114 : # define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val))
115 : # endif
116 : # endif
117 : # ifndef YY_NULLPTR
118 : # if defined __cplusplus
119 : # if 201103L <= __cplusplus
120 : # define YY_NULLPTR nullptr
121 : # else
122 : # define YY_NULLPTR 0
123 : # endif
124 : # else
125 : # define YY_NULLPTR ((void*)0)
126 : # endif
127 : # endif
128 :
129 : #include "pgpa_parser.h"
130 : /* Symbol kind. */
131 : enum yysymbol_kind_t
132 : {
133 : YYSYMBOL_YYEMPTY = -2,
134 : YYSYMBOL_YYEOF = 0, /* "end of file" */
135 : YYSYMBOL_YYerror = 1, /* error */
136 : YYSYMBOL_YYUNDEF = 2, /* "invalid token" */
137 : YYSYMBOL_TOK_IDENT = 3, /* TOK_IDENT */
138 : YYSYMBOL_TOK_TAG_JOIN_ORDER = 4, /* TOK_TAG_JOIN_ORDER */
139 : YYSYMBOL_TOK_TAG_INDEX = 5, /* TOK_TAG_INDEX */
140 : YYSYMBOL_TOK_TAG_SIMPLE = 6, /* TOK_TAG_SIMPLE */
141 : YYSYMBOL_TOK_TAG_GENERIC = 7, /* TOK_TAG_GENERIC */
142 : YYSYMBOL_TOK_INTEGER = 8, /* TOK_INTEGER */
143 : YYSYMBOL_9_ = 9, /* '(' */
144 : YYSYMBOL_10_ = 10, /* ')' */
145 : YYSYMBOL_11_ = 11, /* '.' */
146 : YYSYMBOL_12_ = 12, /* '#' */
147 : YYSYMBOL_13_ = 13, /* '/' */
148 : YYSYMBOL_14_ = 14, /* '@' */
149 : YYSYMBOL_15_ = 15, /* '{' */
150 : YYSYMBOL_16_ = 16, /* '}' */
151 : YYSYMBOL_YYACCEPT = 17, /* $accept */
152 : YYSYMBOL_parse_toplevel = 18, /* parse_toplevel */
153 : YYSYMBOL_advice_item_list = 19, /* advice_item_list */
154 : YYSYMBOL_advice_item = 20, /* advice_item */
155 : YYSYMBOL_relation_identifier = 21, /* relation_identifier */
156 : YYSYMBOL_index_name = 22, /* index_name */
157 : YYSYMBOL_opt_ri_occurrence = 23, /* opt_ri_occurrence */
158 : YYSYMBOL_identifier = 24, /* identifier */
159 : YYSYMBOL_opt_partition = 25, /* opt_partition */
160 : YYSYMBOL_opt_plan_name = 26, /* opt_plan_name */
161 : YYSYMBOL_generic_target_list = 27, /* generic_target_list */
162 : YYSYMBOL_generic_sublist = 28, /* generic_sublist */
163 : YYSYMBOL_index_target_list = 29, /* index_target_list */
164 : YYSYMBOL_join_order_target_list = 30, /* join_order_target_list */
165 : YYSYMBOL_join_order_sublist = 31, /* join_order_sublist */
166 : YYSYMBOL_simple_target_list = 32 /* simple_target_list */
167 : };
168 : typedef enum yysymbol_kind_t yysymbol_kind_t;
169 :
170 :
171 :
172 :
173 : #ifdef short
174 : # undef short
175 : #endif
176 :
177 : /* On compilers that do not define __PTRDIFF_MAX__ etc., make sure
178 : <limits.h> and (if available) <stdint.h> are included
179 : so that the code can choose integer types of a good width. */
180 :
181 : #ifndef __PTRDIFF_MAX__
182 : # include <limits.h> /* INFRINGES ON USER NAME SPACE */
183 : # if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
184 : # include <stdint.h> /* INFRINGES ON USER NAME SPACE */
185 : # define YY_STDINT_H
186 : # endif
187 : #endif
188 :
189 : /* Narrow types that promote to a signed type and that can represent a
190 : signed or unsigned integer of at least N bits. In tables they can
191 : save space and decrease cache pressure. Promoting to a signed type
192 : helps avoid bugs in integer arithmetic. */
193 :
194 : #ifdef __INT_LEAST8_MAX__
195 : typedef __INT_LEAST8_TYPE__ yytype_int8;
196 : #elif defined YY_STDINT_H
197 : typedef int_least8_t yytype_int8;
198 : #else
199 : typedef signed char yytype_int8;
200 : #endif
201 :
202 : #ifdef __INT_LEAST16_MAX__
203 : typedef __INT_LEAST16_TYPE__ yytype_int16;
204 : #elif defined YY_STDINT_H
205 : typedef int_least16_t yytype_int16;
206 : #else
207 : typedef short yytype_int16;
208 : #endif
209 :
210 : /* Work around bug in HP-UX 11.23, which defines these macros
211 : incorrectly for preprocessor constants. This workaround can likely
212 : be removed in 2023, as HPE has promised support for HP-UX 11.23
213 : (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
214 : <https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>. */
215 : #ifdef __hpux
216 : # undef UINT_LEAST8_MAX
217 : # undef UINT_LEAST16_MAX
218 : # define UINT_LEAST8_MAX 255
219 : # define UINT_LEAST16_MAX 65535
220 : #endif
221 :
222 : #if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
223 : typedef __UINT_LEAST8_TYPE__ yytype_uint8;
224 : #elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \
225 : && UINT_LEAST8_MAX <= INT_MAX)
226 : typedef uint_least8_t yytype_uint8;
227 : #elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX
228 : typedef unsigned char yytype_uint8;
229 : #else
230 : typedef short yytype_uint8;
231 : #endif
232 :
233 : #if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__
234 : typedef __UINT_LEAST16_TYPE__ yytype_uint16;
235 : #elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \
236 : && UINT_LEAST16_MAX <= INT_MAX)
237 : typedef uint_least16_t yytype_uint16;
238 : #elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX
239 : typedef unsigned short yytype_uint16;
240 : #else
241 : typedef int yytype_uint16;
242 : #endif
243 :
244 : #ifndef YYPTRDIFF_T
245 : # if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__
246 : # define YYPTRDIFF_T __PTRDIFF_TYPE__
247 : # define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__
248 : # elif defined PTRDIFF_MAX
249 : # ifndef ptrdiff_t
250 : # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
251 : # endif
252 : # define YYPTRDIFF_T ptrdiff_t
253 : # define YYPTRDIFF_MAXIMUM PTRDIFF_MAX
254 : # else
255 : # define YYPTRDIFF_T long
256 : # define YYPTRDIFF_MAXIMUM LONG_MAX
257 : # endif
258 : #endif
259 :
260 : #ifndef YYSIZE_T
261 : # ifdef __SIZE_TYPE__
262 : # define YYSIZE_T __SIZE_TYPE__
263 : # elif defined size_t
264 : # define YYSIZE_T size_t
265 : # elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
266 : # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
267 : # define YYSIZE_T size_t
268 : # else
269 : # define YYSIZE_T unsigned
270 : # endif
271 : #endif
272 :
273 : #define YYSIZE_MAXIMUM \
274 : YY_CAST (YYPTRDIFF_T, \
275 : (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1) \
276 : ? YYPTRDIFF_MAXIMUM \
277 : : YY_CAST (YYSIZE_T, -1)))
278 :
279 : #define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X))
280 :
281 :
282 : /* Stored state numbers (used for stacks). */
283 : typedef yytype_int8 yy_state_t;
284 :
285 : /* State numbers in computations. */
286 : typedef int yy_state_fast_t;
287 :
288 : #ifndef YY_
289 : # if defined YYENABLE_NLS && YYENABLE_NLS
290 : # if ENABLE_NLS
291 : # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
292 : # define YY_(Msgid) dgettext ("bison-runtime", Msgid)
293 : # endif
294 : # endif
295 : # ifndef YY_
296 : # define YY_(Msgid) Msgid
297 : # endif
298 : #endif
299 :
300 :
301 : #ifndef YY_ATTRIBUTE_PURE
302 : # if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
303 : # define YY_ATTRIBUTE_PURE __attribute__ ((__pure__))
304 : # else
305 : # define YY_ATTRIBUTE_PURE
306 : # endif
307 : #endif
308 :
309 : #ifndef YY_ATTRIBUTE_UNUSED
310 : # if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
311 : # define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
312 : # else
313 : # define YY_ATTRIBUTE_UNUSED
314 : # endif
315 : #endif
316 :
317 : /* Suppress unused-variable warnings by "using" E. */
318 : #if ! defined lint || defined __GNUC__
319 : # define YY_USE(E) ((void) (E))
320 : #else
321 : # define YY_USE(E) /* empty */
322 : #endif
323 :
324 : /* Suppress an incorrect diagnostic about yylval being uninitialized. */
325 : #if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__
326 : # if __GNUC__ * 100 + __GNUC_MINOR__ < 407
327 : # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
328 : _Pragma ("GCC diagnostic push") \
329 : _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
330 : # else
331 : # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
332 : _Pragma ("GCC diagnostic push") \
333 : _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \
334 : _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
335 : # endif
336 : # define YY_IGNORE_MAYBE_UNINITIALIZED_END \
337 : _Pragma ("GCC diagnostic pop")
338 : #else
339 : # define YY_INITIAL_VALUE(Value) Value
340 : #endif
341 : #ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
342 : # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
343 : # define YY_IGNORE_MAYBE_UNINITIALIZED_END
344 : #endif
345 : #ifndef YY_INITIAL_VALUE
346 : # define YY_INITIAL_VALUE(Value) /* Nothing. */
347 : #endif
348 :
349 : #if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__
350 : # define YY_IGNORE_USELESS_CAST_BEGIN \
351 : _Pragma ("GCC diagnostic push") \
352 : _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"")
353 : # define YY_IGNORE_USELESS_CAST_END \
354 : _Pragma ("GCC diagnostic pop")
355 : #endif
356 : #ifndef YY_IGNORE_USELESS_CAST_BEGIN
357 : # define YY_IGNORE_USELESS_CAST_BEGIN
358 : # define YY_IGNORE_USELESS_CAST_END
359 : #endif
360 :
361 :
362 : #define YY_ASSERT(E) ((void) (0 && (E)))
363 :
364 : #if !defined yyoverflow
365 :
366 : /* The parser invokes alloca or malloc; define the necessary symbols. */
367 :
368 : # ifdef YYSTACK_USE_ALLOCA
369 : # if YYSTACK_USE_ALLOCA
370 : # ifdef __GNUC__
371 : # define YYSTACK_ALLOC __builtin_alloca
372 : # elif defined __BUILTIN_VA_ARG_INCR
373 : # include <alloca.h> /* INFRINGES ON USER NAME SPACE */
374 : # elif defined _AIX
375 : # define YYSTACK_ALLOC __alloca
376 : # elif defined _MSC_VER
377 : # include <malloc.h> /* INFRINGES ON USER NAME SPACE */
378 : # define alloca _alloca
379 : # else
380 : # define YYSTACK_ALLOC alloca
381 : # if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
382 : # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
383 : /* Use EXIT_SUCCESS as a witness for stdlib.h. */
384 : # ifndef EXIT_SUCCESS
385 : # define EXIT_SUCCESS 0
386 : # endif
387 : # endif
388 : # endif
389 : # endif
390 : # endif
391 :
392 : # ifdef YYSTACK_ALLOC
393 : /* Pacify GCC's 'empty if-body' warning. */
394 : # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
395 : # ifndef YYSTACK_ALLOC_MAXIMUM
396 : /* The OS might guarantee only one guard page at the bottom of the stack,
397 : and a page size can be as small as 4096 bytes. So we cannot safely
398 : invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
399 : to allow for a few compiler-allocated temporary stack slots. */
400 : # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
401 : # endif
402 : # else
403 : # define YYSTACK_ALLOC YYMALLOC
404 : # define YYSTACK_FREE YYFREE
405 : # ifndef YYSTACK_ALLOC_MAXIMUM
406 : # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
407 : # endif
408 : # if (defined __cplusplus && ! defined EXIT_SUCCESS \
409 : && ! ((defined YYMALLOC || defined malloc) \
410 : && (defined YYFREE || defined free)))
411 : # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
412 : # ifndef EXIT_SUCCESS
413 : # define EXIT_SUCCESS 0
414 : # endif
415 : # endif
416 : # ifndef YYMALLOC
417 : # define YYMALLOC malloc
418 : # if ! defined malloc && ! defined EXIT_SUCCESS
419 : void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
420 : # endif
421 : # endif
422 : # ifndef YYFREE
423 : # define YYFREE free
424 : # if ! defined free && ! defined EXIT_SUCCESS
425 : void free (void *); /* INFRINGES ON USER NAME SPACE */
426 : # endif
427 : # endif
428 : # endif
429 : #endif /* !defined yyoverflow */
430 :
431 : #if (! defined yyoverflow \
432 : && (! defined __cplusplus \
433 : || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
434 :
435 : /* A type that is properly aligned for any stack member. */
436 : union yyalloc
437 : {
438 : yy_state_t yyss_alloc;
439 : YYSTYPE yyvs_alloc;
440 : };
441 :
442 : /* The size of the maximum gap between one aligned stack and the next. */
443 : # define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1)
444 :
445 : /* The size of an array large to enough to hold all stacks, each with
446 : N elements. */
447 : # define YYSTACK_BYTES(N) \
448 : ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (YYSTYPE)) \
449 : + YYSTACK_GAP_MAXIMUM)
450 :
451 : # define YYCOPY_NEEDED 1
452 :
453 : /* Relocate STACK from its old location to the new one. The
454 : local variables YYSIZE and YYSTACKSIZE give the old and new number of
455 : elements in the stack, and YYPTR gives the new location of the
456 : stack. Advance YYPTR to a properly aligned location for the next
457 : stack. */
458 : # define YYSTACK_RELOCATE(Stack_alloc, Stack) \
459 : do \
460 : { \
461 : YYPTRDIFF_T yynewbytes; \
462 : YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
463 : Stack = &yyptr->Stack_alloc; \
464 : yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \
465 : yyptr += yynewbytes / YYSIZEOF (*yyptr); \
466 : } \
467 : while (0)
468 :
469 : #endif
470 :
471 : #if defined YYCOPY_NEEDED && YYCOPY_NEEDED
472 : /* Copy COUNT objects from SRC to DST. The source and destination do
473 : not overlap. */
474 : # ifndef YYCOPY
475 : # if defined __GNUC__ && 1 < __GNUC__
476 : # define YYCOPY(Dst, Src, Count) \
477 : __builtin_memcpy (Dst, Src, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src)))
478 : # else
479 : # define YYCOPY(Dst, Src, Count) \
480 : do \
481 : { \
482 : YYPTRDIFF_T yyi; \
483 : for (yyi = 0; yyi < (Count); yyi++) \
484 : (Dst)[yyi] = (Src)[yyi]; \
485 : } \
486 : while (0)
487 : # endif
488 : # endif
489 : #endif /* !YYCOPY_NEEDED */
490 :
491 : /* YYFINAL -- State number of the termination state. */
492 : #define YYFINAL 3
493 : /* YYLAST -- Last index in YYTABLE. */
494 : #define YYLAST 78
495 :
496 : /* YYNTOKENS -- Number of terminals. */
497 : #define YYNTOKENS 17
498 : /* YYNNTS -- Number of nonterminals. */
499 : #define YYNNTS 16
500 : /* YYNRULES -- Number of rules. */
501 : #define YYNRULES 36
502 : /* YYNSTATES -- Number of states. */
503 : #define YYNSTATES 57
504 :
505 : /* YYMAXUTOK -- Last valid token kind. */
506 : #define YYMAXUTOK 263
507 :
508 :
509 : /* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
510 : as returned by yylex, with out-of-bounds checking. */
511 : #define YYTRANSLATE(YYX) \
512 : (0 <= (YYX) && (YYX) <= YYMAXUTOK \
513 : ? YY_CAST (yysymbol_kind_t, yytranslate[YYX]) \
514 : : YYSYMBOL_YYUNDEF)
515 :
516 : /* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
517 : as returned by yylex. */
518 : static const yytype_int8 yytranslate[] =
519 : {
520 : 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
521 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
522 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
523 : 2, 2, 2, 2, 2, 12, 2, 2, 2, 2,
524 : 9, 10, 2, 2, 2, 2, 11, 13, 2, 2,
525 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
526 : 2, 2, 2, 2, 14, 2, 2, 2, 2, 2,
527 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
528 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
529 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
530 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
531 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
532 : 2, 2, 2, 15, 2, 16, 2, 2, 2, 2,
533 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
534 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
535 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
536 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
537 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
538 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
539 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
540 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
541 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
542 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
543 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
544 : 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
545 : 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
546 : 5, 6, 7, 8
547 : };
548 :
549 : #if YYDEBUG
550 : /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
551 : static const yytype_int16 yyrline[] =
552 : {
553 : 0, 71, 71, 78, 81, 84, 93, 104, 119, 146,
554 : 163, 168, 177, 185, 191, 192, 193, 194, 195, 203,
555 : 205, 208, 212, 215, 218, 220, 223, 226, 235, 241,
556 : 244, 246, 249, 253, 259, 267, 270
557 : };
558 : #endif
559 :
560 : /** Accessing symbol of state STATE. */
561 : #define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State])
562 :
563 : #if YYDEBUG || 0
564 : /* The user-facing name of the symbol whose (internal) number is
565 : YYSYMBOL. No bounds checking. */
566 : static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED;
567 :
568 : /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
569 : First, the terminals, then, starting at YYNTOKENS, nonterminals. */
570 : static const char *const yytname[] =
571 : {
572 : "\"end of file\"", "error", "\"invalid token\"", "TOK_IDENT",
573 : "TOK_TAG_JOIN_ORDER", "TOK_TAG_INDEX", "TOK_TAG_SIMPLE",
574 : "TOK_TAG_GENERIC", "TOK_INTEGER", "'('", "')'", "'.'", "'#'", "'/'",
575 : "'@'", "'{'", "'}'", "$accept", "parse_toplevel", "advice_item_list",
576 : "advice_item", "relation_identifier", "index_name", "opt_ri_occurrence",
577 : "identifier", "opt_partition", "opt_plan_name", "generic_target_list",
578 : "generic_sublist", "index_target_list", "join_order_target_list",
579 : "join_order_sublist", "simple_target_list", YY_NULLPTR
580 : };
581 :
582 : static const char *
583 : yysymbol_name (yysymbol_kind_t yysymbol)
584 : {
585 : return yytname[yysymbol];
586 : }
587 : #endif
588 :
589 : #define YYPACT_NINF (-28)
590 :
591 : #define yypact_value_is_default(Yyn) \
592 : ((Yyn) == YYPACT_NINF)
593 :
594 : #define YYTABLE_NINF (-1)
595 :
596 : #define yytable_value_is_error(Yyn) \
597 : 0
598 :
599 : /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
600 : STATE-NUM. */
601 : static const yytype_int8 yypact[] =
602 : {
603 : -28, 10, 29, -28, 0, 2, 11, 34, -28, -28,
604 : -28, -28, -28, 9, 43, 51, 35, -28, -28, -28,
605 : -28, -28, -28, -28, -28, -28, 39, -28, -28, 67,
606 : -28, -28, -28, -28, -28, -28, 22, 1, 44, 46,
607 : -28, 49, 59, -28, -28, -28, 64, 54, 67, -28,
608 : 65, 72, -28, -28, 74, -28, -28
609 : };
610 :
611 : /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
612 : Performed when YYTABLE does not specify something else to do. Zero
613 : means the default is an error. */
614 : static const yytype_int8 yydefact[] =
615 : {
616 : 4, 0, 2, 1, 0, 0, 0, 0, 3, 32,
617 : 29, 36, 26, 0, 0, 0, 0, 14, 15, 16,
618 : 17, 18, 32, 5, 36, 30, 13, 31, 6, 0,
619 : 7, 35, 36, 8, 24, 25, 0, 0, 0, 21,
620 : 28, 10, 0, 33, 34, 12, 0, 23, 0, 27,
621 : 20, 0, 9, 11, 0, 22, 19
622 : };
623 :
624 : /* YYPGOTO[NTERM-NUM]. */
625 : static const yytype_int8 yypgoto[] =
626 : {
627 : -28, -28, -28, -28, -13, -28, -28, -27, -28, -28,
628 : -28, -28, -28, 56, -28, -2
629 : };
630 :
631 : /* YYDEFGOTO[NTERM-NUM]. */
632 : static const yytype_int8 yydefgoto[] =
633 : {
634 : 0, 1, 2, 8, 31, 40, 39, 26, 47, 52,
635 : 16, 35, 14, 13, 27, 15
636 : };
637 :
638 : /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If
639 : positive, shift that token. If negative, reduce the rule whose
640 : number is the opposite. If YYTABLE_NINF, syntax error. */
641 : static const yytype_int8 yytable[] =
642 : {
643 : 25, 29, 41, 34, 17, 18, 19, 20, 21, 9,
644 : 3, 10, 17, 18, 19, 20, 21, 44, 22, 23,
645 : 11, 53, 37, 25, 24, 17, 18, 19, 20, 21,
646 : 42, 22, 43, 4, 5, 6, 7, 24, 17, 18,
647 : 19, 20, 21, 12, 32, 33, 17, 18, 19, 20,
648 : 21, 38, 45, 28, 17, 18, 19, 20, 21, 46,
649 : 48, 30, 17, 18, 19, 20, 21, 50, 51, 49,
650 : 17, 18, 19, 20, 21, 55, 54, 56, 36
651 : };
652 :
653 : static const yytype_int8 yycheck[] =
654 : {
655 : 13, 14, 29, 16, 3, 4, 5, 6, 7, 9,
656 : 0, 9, 3, 4, 5, 6, 7, 16, 9, 10,
657 : 9, 48, 24, 36, 15, 3, 4, 5, 6, 7,
658 : 32, 9, 10, 4, 5, 6, 7, 15, 3, 4,
659 : 5, 6, 7, 9, 9, 10, 3, 4, 5, 6,
660 : 7, 12, 8, 10, 3, 4, 5, 6, 7, 13,
661 : 11, 10, 3, 4, 5, 6, 7, 3, 14, 10,
662 : 3, 4, 5, 6, 7, 3, 11, 3, 22
663 : };
664 :
665 : /* YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of
666 : state STATE-NUM. */
667 : static const yytype_int8 yystos[] =
668 : {
669 : 0, 18, 19, 0, 4, 5, 6, 7, 20, 9,
670 : 9, 9, 9, 30, 29, 32, 27, 3, 4, 5,
671 : 6, 7, 9, 10, 15, 21, 24, 31, 10, 21,
672 : 10, 21, 9, 10, 21, 28, 30, 32, 12, 23,
673 : 22, 24, 32, 10, 16, 8, 13, 25, 11, 10,
674 : 3, 14, 26, 24, 11, 3, 3
675 : };
676 :
677 : /* YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM. */
678 : static const yytype_int8 yyr1[] =
679 : {
680 : 0, 17, 18, 19, 19, 20, 20, 20, 20, 21,
681 : 22, 22, 23, 23, 24, 24, 24, 24, 24, 25,
682 : 25, 25, 26, 26, 27, 27, 27, 28, 29, 29,
683 : 30, 30, 30, 31, 31, 32, 32
684 : };
685 :
686 : /* YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM. */
687 : static const yytype_int8 yyr2[] =
688 : {
689 : 0, 2, 1, 2, 0, 4, 4, 4, 4, 4,
690 : 1, 3, 2, 0, 1, 1, 1, 1, 1, 4,
691 : 2, 0, 2, 0, 2, 2, 0, 3, 3, 0,
692 : 2, 2, 0, 3, 3, 2, 0
693 : };
694 :
695 :
696 : enum { YYENOMEM = -2 };
697 :
698 : #define yyerrok (yyerrstatus = 0)
699 : #define yyclearin (yychar = YYEMPTY)
700 :
701 : #define YYACCEPT goto yyacceptlab
702 : #define YYABORT goto yyabortlab
703 : #define YYERROR goto yyerrorlab
704 : #define YYNOMEM goto yyexhaustedlab
705 :
706 :
707 : #define YYRECOVERING() (!!yyerrstatus)
708 :
709 : #define YYBACKUP(Token, Value) \
710 : do \
711 : if (yychar == YYEMPTY) \
712 : { \
713 : yychar = (Token); \
714 : yylval = (Value); \
715 : YYPOPSTACK (yylen); \
716 : yystate = *yyssp; \
717 : goto yybackup; \
718 : } \
719 : else \
720 : { \
721 : yyerror (result, parse_error_msg_p, yyscanner, YY_("syntax error: cannot back up")); \
722 : YYERROR; \
723 : } \
724 : while (0)
725 :
726 : /* Backward compatibility with an undocumented macro.
727 : Use YYerror or YYUNDEF. */
728 : #define YYERRCODE YYUNDEF
729 :
730 :
731 : /* Enable debugging if requested. */
732 : #if YYDEBUG
733 :
734 : # ifndef YYFPRINTF
735 : # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
736 : # define YYFPRINTF fprintf
737 : # endif
738 :
739 : # define YYDPRINTF(Args) \
740 : do { \
741 : if (yydebug) \
742 : YYFPRINTF Args; \
743 : } while (0)
744 :
745 :
746 :
747 :
748 : # define YY_SYMBOL_PRINT(Title, Kind, Value, Location) \
749 : do { \
750 : if (yydebug) \
751 : { \
752 : YYFPRINTF (stderr, "%s ", Title); \
753 : yy_symbol_print (stderr, \
754 : Kind, Value, result, parse_error_msg_p, yyscanner); \
755 : YYFPRINTF (stderr, "\n"); \
756 : } \
757 : } while (0)
758 :
759 :
760 : /*-----------------------------------.
761 : | Print this symbol's value on YYO. |
762 : `-----------------------------------*/
763 :
764 : static void
765 : yy_symbol_value_print (FILE *yyo,
766 : yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep, List **result, char **parse_error_msg_p, yyscan_t yyscanner)
767 : {
768 : FILE *yyoutput = yyo;
769 : YY_USE (yyoutput);
770 : YY_USE (result);
771 : YY_USE (parse_error_msg_p);
772 : YY_USE (yyscanner);
773 : if (!yyvaluep)
774 : return;
775 : YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
776 : YY_USE (yykind);
777 : YY_IGNORE_MAYBE_UNINITIALIZED_END
778 : }
779 :
780 :
781 : /*---------------------------.
782 : | Print this symbol on YYO. |
783 : `---------------------------*/
784 :
785 : static void
786 : yy_symbol_print (FILE *yyo,
787 : yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep, List **result, char **parse_error_msg_p, yyscan_t yyscanner)
788 : {
789 : YYFPRINTF (yyo, "%s %s (",
790 : yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind));
791 :
792 : yy_symbol_value_print (yyo, yykind, yyvaluep, result, parse_error_msg_p, yyscanner);
793 : YYFPRINTF (yyo, ")");
794 : }
795 :
796 : /*------------------------------------------------------------------.
797 : | yy_stack_print -- Print the state stack from its BOTTOM up to its |
798 : | TOP (included). |
799 : `------------------------------------------------------------------*/
800 :
801 : static void
802 : yy_stack_print (yy_state_t *yybottom, yy_state_t *yytop)
803 : {
804 : YYFPRINTF (stderr, "Stack now");
805 : for (; yybottom <= yytop; yybottom++)
806 : {
807 : int yybot = *yybottom;
808 : YYFPRINTF (stderr, " %d", yybot);
809 : }
810 : YYFPRINTF (stderr, "\n");
811 : }
812 :
813 : # define YY_STACK_PRINT(Bottom, Top) \
814 : do { \
815 : if (yydebug) \
816 : yy_stack_print ((Bottom), (Top)); \
817 : } while (0)
818 :
819 :
820 : /*------------------------------------------------.
821 : | Report that the YYRULE is going to be reduced. |
822 : `------------------------------------------------*/
823 :
824 : static void
825 : yy_reduce_print (yy_state_t *yyssp, YYSTYPE *yyvsp,
826 : int yyrule, List **result, char **parse_error_msg_p, yyscan_t yyscanner)
827 : {
828 : int yylno = yyrline[yyrule];
829 : int yynrhs = yyr2[yyrule];
830 : int yyi;
831 : YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n",
832 : yyrule - 1, yylno);
833 : /* The symbols being reduced. */
834 : for (yyi = 0; yyi < yynrhs; yyi++)
835 : {
836 : YYFPRINTF (stderr, " $%d = ", yyi + 1);
837 : yy_symbol_print (stderr,
838 : YY_ACCESSING_SYMBOL (+yyssp[yyi + 1 - yynrhs]),
839 : &yyvsp[(yyi + 1) - (yynrhs)], result, parse_error_msg_p, yyscanner);
840 : YYFPRINTF (stderr, "\n");
841 : }
842 : }
843 :
844 : # define YY_REDUCE_PRINT(Rule) \
845 : do { \
846 : if (yydebug) \
847 : yy_reduce_print (yyssp, yyvsp, Rule, result, parse_error_msg_p, yyscanner); \
848 : } while (0)
849 :
850 : /* Nonzero means print parse trace. It is left uninitialized so that
851 : multiple parsers can coexist. */
852 : int yydebug;
853 : #else /* !YYDEBUG */
854 : # define YYDPRINTF(Args) ((void) 0)
855 : # define YY_SYMBOL_PRINT(Title, Kind, Value, Location)
856 : # define YY_STACK_PRINT(Bottom, Top)
857 : # define YY_REDUCE_PRINT(Rule)
858 : #endif /* !YYDEBUG */
859 :
860 :
861 : /* YYINITDEPTH -- initial size of the parser's stacks. */
862 : #ifndef YYINITDEPTH
863 : # define YYINITDEPTH 200
864 : #endif
865 :
866 : /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
867 : if the built-in stack extension method is used).
868 :
869 : Do not make this value too large; the results are undefined if
870 : YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
871 : evaluated with infinite-precision integer arithmetic. */
872 :
873 : #ifndef YYMAXDEPTH
874 : # define YYMAXDEPTH 10000
875 : #endif
876 :
877 :
878 :
879 :
880 :
881 :
882 : /*-----------------------------------------------.
883 : | Release the memory associated to this symbol. |
884 : `-----------------------------------------------*/
885 :
886 : static void
887 507 : yydestruct (const char *yymsg,
888 : yysymbol_kind_t yykind, YYSTYPE *yyvaluep, List **result, char **parse_error_msg_p, yyscan_t yyscanner)
889 : {
890 : YY_USE (yyvaluep);
891 : YY_USE (result);
892 : YY_USE (parse_error_msg_p);
893 : YY_USE (yyscanner);
894 507 : if (!yymsg)
895 0 : yymsg = "Deleting";
896 : YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp);
897 :
898 : YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
899 : YY_USE (yykind);
900 : YY_IGNORE_MAYBE_UNINITIALIZED_END
901 507 : }
902 :
903 :
904 :
905 :
906 :
907 :
908 : /*----------.
909 : | yyparse. |
910 : `----------*/
911 :
912 : int
913 243 : yyparse (List **result, char **parse_error_msg_p, yyscan_t yyscanner)
914 : {
915 : /* Lookahead token kind. */
916 : int yychar;
917 :
918 :
919 : /* The semantic value of the lookahead symbol. */
920 : /* Default value used for initialization, for pacifying older GCCs
921 : or non-GCC compilers. */
922 : YY_INITIAL_VALUE (static YYSTYPE yyval_default;)
923 : YYSTYPE yylval YY_INITIAL_VALUE (= yyval_default);
924 :
925 : /* Number of syntax errors so far. */
926 243 : int yynerrs = 0;
927 :
928 243 : yy_state_fast_t yystate = 0;
929 : /* Number of tokens to shift before error messages enabled. */
930 243 : int yyerrstatus = 0;
931 :
932 : /* Refer to the stacks through separate pointers, to allow yyoverflow
933 : to reallocate them elsewhere. */
934 :
935 : /* Their size. */
936 243 : YYPTRDIFF_T yystacksize = YYINITDEPTH;
937 :
938 : /* The state stack: array, bottom, top. */
939 : yy_state_t yyssa[YYINITDEPTH];
940 243 : yy_state_t *yyss = yyssa;
941 243 : yy_state_t *yyssp = yyss;
942 :
943 : /* The semantic value stack: array, bottom, top. */
944 : YYSTYPE yyvsa[YYINITDEPTH];
945 243 : YYSTYPE *yyvs = yyvsa;
946 243 : YYSTYPE *yyvsp = yyvs;
947 :
948 : int yyn;
949 : /* The return value of yyparse. */
950 : int yyresult;
951 : /* Lookahead symbol kind. */
952 243 : yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY;
953 : /* The variables used to return semantic value and location from the
954 : action routines. */
955 : YYSTYPE yyval;
956 :
957 :
958 :
959 : #define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
960 :
961 : /* The number of symbols on the RHS of the reduced rule.
962 : Keep to zero when no symbol should be popped. */
963 243 : int yylen = 0;
964 :
965 : YYDPRINTF ((stderr, "Starting parse\n"));
966 :
967 243 : yychar = YYEMPTY; /* Cause a token to be read. */
968 :
969 243 : goto yysetstate;
970 :
971 :
972 : /*------------------------------------------------------------.
973 : | yynewstate -- push a new state, which is found in yystate. |
974 : `------------------------------------------------------------*/
975 5005 : yynewstate:
976 : /* In all cases, when you get here, the value and location stacks
977 : have just been pushed. So pushing a state here evens the stacks. */
978 5005 : yyssp++;
979 :
980 :
981 : /*--------------------------------------------------------------------.
982 : | yysetstate -- set current state (the top of the stack) to yystate. |
983 : `--------------------------------------------------------------------*/
984 5248 : yysetstate:
985 : YYDPRINTF ((stderr, "Entering state %d\n", yystate));
986 : YY_ASSERT (0 <= yystate && yystate < YYNSTATES);
987 : YY_IGNORE_USELESS_CAST_BEGIN
988 5248 : *yyssp = YY_CAST (yy_state_t, yystate);
989 : YY_IGNORE_USELESS_CAST_END
990 : YY_STACK_PRINT (yyss, yyssp);
991 :
992 5248 : if (yyss + yystacksize - 1 <= yyssp)
993 : #if !defined yyoverflow && !defined YYSTACK_RELOCATE
994 : YYNOMEM;
995 : #else
996 : {
997 : /* Get the current used size of the three stacks, in elements. */
998 0 : YYPTRDIFF_T yysize = yyssp - yyss + 1;
999 :
1000 : # if defined yyoverflow
1001 : {
1002 : /* Give user a chance to reallocate the stack. Use copies of
1003 : these so that the &'s don't force the real ones into
1004 : memory. */
1005 : yy_state_t *yyss1 = yyss;
1006 : YYSTYPE *yyvs1 = yyvs;
1007 :
1008 : /* Each stack pointer address is followed by the size of the
1009 : data in use in that stack, in bytes. This used to be a
1010 : conditional around just the two extra args, but that might
1011 : be undefined if yyoverflow is a macro. */
1012 : yyoverflow (YY_("memory exhausted"),
1013 : &yyss1, yysize * YYSIZEOF (*yyssp),
1014 : &yyvs1, yysize * YYSIZEOF (*yyvsp),
1015 : &yystacksize);
1016 : yyss = yyss1;
1017 : yyvs = yyvs1;
1018 : }
1019 : # else /* defined YYSTACK_RELOCATE */
1020 : /* Extend the stack our own way. */
1021 0 : if (YYMAXDEPTH <= yystacksize)
1022 0 : YYNOMEM;
1023 0 : yystacksize *= 2;
1024 0 : if (YYMAXDEPTH < yystacksize)
1025 0 : yystacksize = YYMAXDEPTH;
1026 :
1027 : {
1028 0 : yy_state_t *yyss1 = yyss;
1029 : union yyalloc *yyptr =
1030 0 : YY_CAST (union yyalloc *,
1031 : YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize))));
1032 0 : if (! yyptr)
1033 0 : YYNOMEM;
1034 0 : YYSTACK_RELOCATE (yyss_alloc, yyss);
1035 0 : YYSTACK_RELOCATE (yyvs_alloc, yyvs);
1036 : # undef YYSTACK_RELOCATE
1037 0 : if (yyss1 != yyssa)
1038 0 : YYSTACK_FREE (yyss1);
1039 : }
1040 : # endif
1041 :
1042 0 : yyssp = yyss + yysize - 1;
1043 0 : yyvsp = yyvs + yysize - 1;
1044 :
1045 : YY_IGNORE_USELESS_CAST_BEGIN
1046 : YYDPRINTF ((stderr, "Stack size increased to %ld\n",
1047 : YY_CAST (long, yystacksize)));
1048 : YY_IGNORE_USELESS_CAST_END
1049 :
1050 0 : if (yyss + yystacksize - 1 <= yyssp)
1051 0 : YYABORT;
1052 : }
1053 : #endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
1054 :
1055 :
1056 5248 : if (yystate == YYFINAL)
1057 232 : YYACCEPT;
1058 :
1059 5016 : goto yybackup;
1060 :
1061 :
1062 : /*-----------.
1063 : | yybackup. |
1064 : `-----------*/
1065 5016 : yybackup:
1066 : /* Do appropriate processing given the current state. Read a
1067 : lookahead token if we need one and don't already have one. */
1068 :
1069 : /* First try to decide what to do without reference to lookahead token. */
1070 5016 : yyn = yypact[yystate];
1071 5016 : if (yypact_value_is_default (yyn))
1072 2189 : goto yydefault;
1073 :
1074 : /* Not known => get a lookahead token if don't already have one. */
1075 :
1076 : /* YYCHAR is either empty, or end-of-input, or a valid lookahead. */
1077 2827 : if (yychar == YYEMPTY)
1078 : {
1079 : YYDPRINTF ((stderr, "Reading a token\n"));
1080 1573 : yychar = yylex (&yylval, result, parse_error_msg_p, yyscanner);
1081 : }
1082 :
1083 2827 : if (yychar <= YYEOF)
1084 : {
1085 471 : yychar = YYEOF;
1086 471 : yytoken = YYSYMBOL_YYEOF;
1087 : YYDPRINTF ((stderr, "Now at end of input.\n"));
1088 : }
1089 2356 : else if (yychar == YYerror)
1090 : {
1091 : /* The scanner already issued an error message, process directly
1092 : to error recovery. But do not keep the error token as
1093 : lookahead, it is too special and may lead us to an endless
1094 : loop in error recovery. */
1095 0 : yychar = YYUNDEF;
1096 0 : yytoken = YYSYMBOL_YYerror;
1097 0 : goto yyerrlab1;
1098 : }
1099 : else
1100 : {
1101 2356 : yytoken = YYTRANSLATE (yychar);
1102 : YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
1103 : }
1104 :
1105 : /* If the proper action on seeing token YYTOKEN is to reduce or to
1106 : detect an error, take that action. */
1107 2827 : yyn += yytoken;
1108 2827 : if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1109 1265 : goto yydefault;
1110 1562 : yyn = yytable[yyn];
1111 1562 : if (yyn <= 0)
1112 : {
1113 : if (yytable_value_is_error (yyn))
1114 : goto yyerrlab;
1115 0 : yyn = -yyn;
1116 0 : goto yyreduce;
1117 : }
1118 :
1119 : /* Count tokens shifted since error; after three, turn off error
1120 : status. */
1121 1562 : if (yyerrstatus)
1122 0 : yyerrstatus--;
1123 :
1124 : /* Shift the lookahead token. */
1125 : YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
1126 1562 : yystate = yyn;
1127 : YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
1128 1562 : *++yyvsp = yylval;
1129 : YY_IGNORE_MAYBE_UNINITIALIZED_END
1130 :
1131 : /* Discard the shifted token. */
1132 1562 : yychar = YYEMPTY;
1133 1562 : goto yynewstate;
1134 :
1135 :
1136 : /*-----------------------------------------------------------.
1137 : | yydefault -- do the default action for the current state. |
1138 : `-----------------------------------------------------------*/
1139 3454 : yydefault:
1140 3454 : yyn = yydefact[yystate];
1141 3454 : if (yyn == 0)
1142 11 : goto yyerrlab;
1143 3443 : goto yyreduce;
1144 :
1145 :
1146 : /*-----------------------------.
1147 : | yyreduce -- do a reduction. |
1148 : `-----------------------------*/
1149 3443 : yyreduce:
1150 : /* yyn is the number of a rule to reduce with. */
1151 3443 : yylen = yyr2[yyn];
1152 :
1153 : /* If YYLEN is nonzero, implement the default value of the action:
1154 : '$$ = $1'.
1155 :
1156 : Otherwise, the following line sets YYVAL to garbage.
1157 : This behavior is undocumented and Bison
1158 : users should not rely upon it. Assigning to YYVAL
1159 : unconditionally makes the parser a bit smaller, and it avoids a
1160 : GCC warning that YYVAL may be used uninitialized. */
1161 3443 : yyval = yyvsp[1-yylen];
1162 :
1163 :
1164 : YY_REDUCE_PRINT (yyn);
1165 3443 : switch (yyn)
1166 : {
1167 236 : case 2: /* parse_toplevel: advice_item_list */
1168 : #line 72 "pgpa_parser.y"
1169 : {
1170 : (void) yynerrs; /* suppress compiler warning */
1171 : *result = (yyvsp[0].list);
1172 : }
1173 : #line 1174 "pgpa_parser.c"
1174 236 : break;
1175 :
1176 250 : case 3: /* advice_item_list: advice_item_list advice_item */
1177 : #line 79 "pgpa_parser.y"
1178 : { (yyval.list) = lappend((yyvsp[-1].list), (yyvsp[0].item)); }
1179 : #line 1180 "pgpa_parser.c"
1180 250 : break;
1181 :
1182 243 : case 4: /* advice_item_list: %empty */
1183 : #line 81 "pgpa_parser.y"
1184 : { (yyval.list) = NIL; }
1185 : #line 1186 "pgpa_parser.c"
1186 243 : break;
1187 :
1188 40 : case 5: /* advice_item: TOK_TAG_JOIN_ORDER '(' join_order_target_list ')' */
1189 : #line 85 "pgpa_parser.y"
1190 : {
1191 : (yyval.item) = palloc0_object(pgpa_advice_item);
1192 : (yyval.item)->tag = PGPA_TAG_JOIN_ORDER;
1193 : (yyval.item)->targets = (yyvsp[-1].list);
1194 : if ((yyvsp[-1].list) == NIL)
1195 : pgpa_yyerror(result, parse_error_msg_p, yyscanner,
1196 : "JOIN_ORDER must have at least one target");
1197 : }
1198 : #line 1199 "pgpa_parser.c"
1199 40 : break;
1200 :
1201 38 : case 6: /* advice_item: TOK_TAG_INDEX '(' index_target_list ')' */
1202 : #line 94 "pgpa_parser.y"
1203 : {
1204 : (yyval.item) = palloc0_object(pgpa_advice_item);
1205 : if (strcmp((yyvsp[-3].str), "index_only_scan") == 0)
1206 : (yyval.item)->tag = PGPA_TAG_INDEX_ONLY_SCAN;
1207 : else if (strcmp((yyvsp[-3].str), "index_scan") == 0)
1208 : (yyval.item)->tag = PGPA_TAG_INDEX_SCAN;
1209 : else
1210 : elog(ERROR, "tag parsing failed: %s", (yyvsp[-3].str));
1211 : (yyval.item)->targets = (yyvsp[-1].list);
1212 : }
1213 : #line 1214 "pgpa_parser.c"
1214 38 : break;
1215 :
1216 70 : case 7: /* advice_item: TOK_TAG_SIMPLE '(' simple_target_list ')' */
1217 : #line 105 "pgpa_parser.y"
1218 : {
1219 : (yyval.item) = palloc0_object(pgpa_advice_item);
1220 : if (strcmp((yyvsp[-3].str), "bitmap_heap_scan") == 0)
1221 : (yyval.item)->tag = PGPA_TAG_BITMAP_HEAP_SCAN;
1222 : else if (strcmp((yyvsp[-3].str), "no_gather") == 0)
1223 : (yyval.item)->tag = PGPA_TAG_NO_GATHER;
1224 : else if (strcmp((yyvsp[-3].str), "seq_scan") == 0)
1225 : (yyval.item)->tag = PGPA_TAG_SEQ_SCAN;
1226 : else if (strcmp((yyvsp[-3].str), "tid_scan") == 0)
1227 : (yyval.item)->tag = PGPA_TAG_TID_SCAN;
1228 : else
1229 : elog(ERROR, "tag parsing failed: %s", (yyvsp[-3].str));
1230 : (yyval.item)->targets = (yyvsp[-1].list);
1231 : }
1232 : #line 1233 "pgpa_parser.c"
1233 70 : break;
1234 :
1235 102 : case 8: /* advice_item: TOK_TAG_GENERIC '(' generic_target_list ')' */
1236 : #line 120 "pgpa_parser.y"
1237 : {
1238 : bool fail;
1239 :
1240 : (yyval.item) = palloc0_object(pgpa_advice_item);
1241 : (yyval.item)->tag = pgpa_parse_advice_tag((yyvsp[-3].str), &fail);
1242 : if (fail)
1243 : {
1244 : pgpa_yyerror(result, parse_error_msg_p, yyscanner,
1245 : "unrecognized advice tag");
1246 : }
1247 :
1248 : if ((yyval.item)->tag == PGPA_TAG_FOREIGN_JOIN)
1249 : {
1250 : foreach_ptr(pgpa_advice_target, target, (yyvsp[-1].list))
1251 : {
1252 : if (target->ttype == PGPA_TARGET_IDENTIFIER ||
1253 : list_length(target->children) == 1)
1254 : pgpa_yyerror(result, parse_error_msg_p, yyscanner,
1255 : "FOREIGN_JOIN targets must contain more than one relation identifier");
1256 : }
1257 : }
1258 :
1259 : (yyval.item)->targets = (yyvsp[-1].list);
1260 : }
1261 : #line 1262 "pgpa_parser.c"
1262 102 : break;
1263 :
1264 338 : case 9: /* relation_identifier: identifier opt_ri_occurrence opt_partition opt_plan_name */
1265 : #line 147 "pgpa_parser.y"
1266 : {
1267 : (yyval.target) = palloc0_object(pgpa_advice_target);
1268 : (yyval.target)->ttype = PGPA_TARGET_IDENTIFIER;
1269 : (yyval.target)->rid.alias_name = (yyvsp[-3].str);
1270 : (yyval.target)->rid.occurrence = (yyvsp[-2].integer);
1271 : if (list_length((yyvsp[-1].list)) == 2)
1272 : {
1273 : (yyval.target)->rid.partnsp = linitial((yyvsp[-1].list));
1274 : (yyval.target)->rid.partrel = lsecond((yyvsp[-1].list));
1275 : }
1276 : else if ((yyvsp[-1].list) != NIL)
1277 : (yyval.target)->rid.partrel = linitial((yyvsp[-1].list));
1278 : (yyval.target)->rid.plan_name = (yyvsp[0].str);
1279 : }
1280 : #line 1281 "pgpa_parser.c"
1281 338 : break;
1282 :
1283 34 : case 10: /* index_name: identifier */
1284 : #line 164 "pgpa_parser.y"
1285 : {
1286 : (yyval.itarget) = palloc0_object(pgpa_index_target);
1287 : (yyval.itarget)->indname = (yyvsp[0].str);
1288 : }
1289 : #line 1290 "pgpa_parser.c"
1290 34 : break;
1291 :
1292 8 : case 11: /* index_name: identifier '.' identifier */
1293 : #line 169 "pgpa_parser.y"
1294 : {
1295 : (yyval.itarget) = palloc0_object(pgpa_index_target);
1296 : (yyval.itarget)->indnamespace = (yyvsp[-2].str);
1297 : (yyval.itarget)->indname = (yyvsp[0].str);
1298 : }
1299 : #line 1300 "pgpa_parser.c"
1300 8 : break;
1301 :
1302 8 : case 12: /* opt_ri_occurrence: '#' TOK_INTEGER */
1303 : #line 178 "pgpa_parser.y"
1304 : {
1305 : if ((yyvsp[0].integer) <= 0)
1306 : pgpa_yyerror(result, parse_error_msg_p, yyscanner,
1307 : "only positive occurrence numbers are permitted");
1308 : (yyval.integer) = (yyvsp[0].integer);
1309 : }
1310 : #line 1311 "pgpa_parser.c"
1311 8 : break;
1312 :
1313 330 : case 13: /* opt_ri_occurrence: %empty */
1314 : #line 185 "pgpa_parser.y"
1315 : {
1316 : /* The default occurrence number is 1. */
1317 : (yyval.integer) = 1;
1318 : }
1319 : #line 1320 "pgpa_parser.c"
1320 330 : break;
1321 :
1322 12 : case 19: /* opt_partition: '/' TOK_IDENT '.' TOK_IDENT */
1323 : #line 204 "pgpa_parser.y"
1324 : { (yyval.list) = list_make2((yyvsp[-2].str), (yyvsp[0].str)); }
1325 : #line 1326 "pgpa_parser.c"
1326 12 : break;
1327 :
1328 14 : case 20: /* opt_partition: '/' TOK_IDENT */
1329 : #line 206 "pgpa_parser.y"
1330 : { (yyval.list) = list_make1((yyvsp[0].str)); }
1331 : #line 1332 "pgpa_parser.c"
1332 14 : break;
1333 :
1334 312 : case 21: /* opt_partition: %empty */
1335 : #line 208 "pgpa_parser.y"
1336 : { (yyval.list) = NIL; }
1337 : #line 1338 "pgpa_parser.c"
1338 312 : break;
1339 :
1340 10 : case 22: /* opt_plan_name: '@' TOK_IDENT */
1341 : #line 213 "pgpa_parser.y"
1342 : { (yyval.str) = (yyvsp[0].str); }
1343 : #line 1344 "pgpa_parser.c"
1344 10 : break;
1345 :
1346 328 : case 23: /* opt_plan_name: %empty */
1347 : #line 215 "pgpa_parser.y"
1348 : { (yyval.str) = NULL; }
1349 : #line 1350 "pgpa_parser.c"
1350 328 : break;
1351 :
1352 91 : case 24: /* generic_target_list: generic_target_list relation_identifier */
1353 : #line 219 "pgpa_parser.y"
1354 : { (yyval.list) = lappend((yyvsp[-1].list), (yyvsp[0].target)); }
1355 : #line 1356 "pgpa_parser.c"
1356 91 : break;
1357 :
1358 23 : case 25: /* generic_target_list: generic_target_list generic_sublist */
1359 : #line 221 "pgpa_parser.y"
1360 : { (yyval.list) = lappend((yyvsp[-1].list), (yyvsp[0].target)); }
1361 : #line 1362 "pgpa_parser.c"
1362 23 : break;
1363 :
1364 103 : case 26: /* generic_target_list: %empty */
1365 : #line 223 "pgpa_parser.y"
1366 : { (yyval.list) = NIL; }
1367 : #line 1368 "pgpa_parser.c"
1368 103 : break;
1369 :
1370 23 : case 27: /* generic_sublist: '(' simple_target_list ')' */
1371 : #line 227 "pgpa_parser.y"
1372 : {
1373 : (yyval.target) = palloc0_object(pgpa_advice_target);
1374 : (yyval.target)->ttype = PGPA_TARGET_ORDERED_LIST;
1375 : (yyval.target)->children = (yyvsp[-1].list);
1376 : }
1377 : #line 1378 "pgpa_parser.c"
1378 23 : break;
1379 :
1380 42 : case 28: /* index_target_list: index_target_list relation_identifier index_name */
1381 : #line 236 "pgpa_parser.y"
1382 : {
1383 : (yyvsp[-1].target)->itarget = (yyvsp[0].itarget);
1384 : (yyval.list) = lappend((yyvsp[-2].list), (yyvsp[-1].target));
1385 : }
1386 : #line 1387 "pgpa_parser.c"
1387 42 : break;
1388 :
1389 38 : case 29: /* index_target_list: %empty */
1390 : #line 241 "pgpa_parser.y"
1391 : { (yyval.list) = NIL; }
1392 : #line 1393 "pgpa_parser.c"
1393 38 : break;
1394 :
1395 85 : case 30: /* join_order_target_list: join_order_target_list relation_identifier */
1396 : #line 245 "pgpa_parser.y"
1397 : { (yyval.list) = lappend((yyvsp[-1].list), (yyvsp[0].target)); }
1398 : #line 1399 "pgpa_parser.c"
1399 85 : break;
1400 :
1401 6 : case 31: /* join_order_target_list: join_order_target_list join_order_sublist */
1402 : #line 247 "pgpa_parser.y"
1403 : { (yyval.list) = lappend((yyvsp[-1].list), (yyvsp[0].target)); }
1404 : #line 1405 "pgpa_parser.c"
1405 6 : break;
1406 :
1407 44 : case 32: /* join_order_target_list: %empty */
1408 : #line 249 "pgpa_parser.y"
1409 : { (yyval.list) = NIL; }
1410 : #line 1411 "pgpa_parser.c"
1411 44 : break;
1412 :
1413 4 : case 33: /* join_order_sublist: '(' join_order_target_list ')' */
1414 : #line 254 "pgpa_parser.y"
1415 : {
1416 : (yyval.target) = palloc0_object(pgpa_advice_target);
1417 : (yyval.target)->ttype = PGPA_TARGET_ORDERED_LIST;
1418 : (yyval.target)->children = (yyvsp[-1].list);
1419 : }
1420 : #line 1421 "pgpa_parser.c"
1421 4 : break;
1422 :
1423 2 : case 34: /* join_order_sublist: '{' simple_target_list '}' */
1424 : #line 260 "pgpa_parser.y"
1425 : {
1426 : (yyval.target) = palloc0_object(pgpa_advice_target);
1427 : (yyval.target)->ttype = PGPA_TARGET_UNORDERED_LIST;
1428 : (yyval.target)->children = (yyvsp[-1].list);
1429 : }
1430 : #line 1431 "pgpa_parser.c"
1431 2 : break;
1432 :
1433 120 : case 35: /* simple_target_list: simple_target_list relation_identifier */
1434 : #line 268 "pgpa_parser.y"
1435 : { (yyval.list) = lappend((yyvsp[-1].list), (yyvsp[0].target)); }
1436 : #line 1437 "pgpa_parser.c"
1437 120 : break;
1438 :
1439 101 : case 36: /* simple_target_list: %empty */
1440 : #line 270 "pgpa_parser.y"
1441 : { (yyval.list) = NIL; }
1442 : #line 1443 "pgpa_parser.c"
1443 101 : break;
1444 :
1445 :
1446 : #line 1447 "pgpa_parser.c"
1447 :
1448 388 : default: break;
1449 : }
1450 : /* User semantic actions sometimes alter yychar, and that requires
1451 : that yytoken be updated with the new translation. We take the
1452 : approach of translating immediately before every use of yytoken.
1453 : One alternative is translating here after every semantic action,
1454 : but that translation would be missed if the semantic action invokes
1455 : YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
1456 : if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an
1457 : incorrect destructor might then be invoked immediately. In the
1458 : case of YYERROR or YYBACKUP, subsequent parser actions might lead
1459 : to an incorrect destructor call or verbose syntax error message
1460 : before the lookahead is translated. */
1461 : YY_SYMBOL_PRINT ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc);
1462 :
1463 3443 : YYPOPSTACK (yylen);
1464 3443 : yylen = 0;
1465 :
1466 3443 : *++yyvsp = yyval;
1467 :
1468 : /* Now 'shift' the result of the reduction. Determine what state
1469 : that goes to, based on the state we popped back to and the rule
1470 : number reduced by. */
1471 : {
1472 3443 : const int yylhs = yyr1[yyn] - YYNTOKENS;
1473 3443 : const int yyi = yypgoto[yylhs] + *yyssp;
1474 1519 : yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
1475 355 : ? yytable[yyi]
1476 4962 : : yydefgoto[yylhs]);
1477 : }
1478 :
1479 3443 : goto yynewstate;
1480 :
1481 :
1482 : /*--------------------------------------.
1483 : | yyerrlab -- here on detecting error. |
1484 : `--------------------------------------*/
1485 11 : yyerrlab:
1486 : /* Make sure we have latest lookahead translation. See comments at
1487 : user semantic actions for why this is necessary. */
1488 11 : yytoken = yychar == YYEMPTY ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar);
1489 : /* If not already recovering from an error, report this error. */
1490 11 : if (!yyerrstatus)
1491 : {
1492 11 : ++yynerrs;
1493 11 : yyerror (result, parse_error_msg_p, yyscanner, YY_("syntax error"));
1494 : }
1495 :
1496 11 : if (yyerrstatus == 3)
1497 : {
1498 : /* If just tried and failed to reuse lookahead token after an
1499 : error, discard it. */
1500 :
1501 0 : if (yychar <= YYEOF)
1502 : {
1503 : /* Return failure if at end of input. */
1504 0 : if (yychar == YYEOF)
1505 0 : YYABORT;
1506 : }
1507 : else
1508 : {
1509 0 : yydestruct ("Error: discarding",
1510 : yytoken, &yylval, result, parse_error_msg_p, yyscanner);
1511 0 : yychar = YYEMPTY;
1512 : }
1513 : }
1514 :
1515 : /* Else will try to reuse lookahead token after shifting the error
1516 : token. */
1517 11 : goto yyerrlab1;
1518 :
1519 :
1520 : /*---------------------------------------------------.
1521 : | yyerrorlab -- error raised explicitly by YYERROR. |
1522 : `---------------------------------------------------*/
1523 : yyerrorlab:
1524 : /* Pacify compilers when the user code never invokes YYERROR and the
1525 : label yyerrorlab therefore never appears in user code. */
1526 : if (0)
1527 : YYERROR;
1528 : ++yynerrs;
1529 :
1530 : /* Do not reclaim the symbols of the rule whose action triggered
1531 : this YYERROR. */
1532 : YYPOPSTACK (yylen);
1533 : yylen = 0;
1534 : YY_STACK_PRINT (yyss, yyssp);
1535 : yystate = *yyssp;
1536 : goto yyerrlab1;
1537 :
1538 :
1539 : /*-------------------------------------------------------------.
1540 : | yyerrlab1 -- common code for both syntax error and YYERROR. |
1541 : `-------------------------------------------------------------*/
1542 11 : yyerrlab1:
1543 11 : yyerrstatus = 3; /* Each real token shifted decrements this. */
1544 :
1545 : /* Pop stack until we find a state that shifts the error token. */
1546 : for (;;)
1547 : {
1548 43 : yyn = yypact[yystate];
1549 43 : if (!yypact_value_is_default (yyn))
1550 : {
1551 25 : yyn += YYSYMBOL_YYerror;
1552 25 : if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror)
1553 : {
1554 0 : yyn = yytable[yyn];
1555 0 : if (0 < yyn)
1556 0 : break;
1557 : }
1558 : }
1559 :
1560 : /* Pop the current state because it cannot handle the error token. */
1561 43 : if (yyssp == yyss)
1562 11 : YYABORT;
1563 :
1564 :
1565 32 : yydestruct ("Error: popping",
1566 32 : YY_ACCESSING_SYMBOL (yystate), yyvsp, result, parse_error_msg_p, yyscanner);
1567 32 : YYPOPSTACK (1);
1568 32 : yystate = *yyssp;
1569 : YY_STACK_PRINT (yyss, yyssp);
1570 : }
1571 :
1572 : YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
1573 0 : *++yyvsp = yylval;
1574 : YY_IGNORE_MAYBE_UNINITIALIZED_END
1575 :
1576 :
1577 : /* Shift the error token. */
1578 : YY_SYMBOL_PRINT ("Shifting", YY_ACCESSING_SYMBOL (yyn), yyvsp, yylsp);
1579 :
1580 0 : yystate = yyn;
1581 0 : goto yynewstate;
1582 :
1583 :
1584 : /*-------------------------------------.
1585 : | yyacceptlab -- YYACCEPT comes here. |
1586 : `-------------------------------------*/
1587 232 : yyacceptlab:
1588 232 : yyresult = 0;
1589 232 : goto yyreturnlab;
1590 :
1591 :
1592 : /*-----------------------------------.
1593 : | yyabortlab -- YYABORT comes here. |
1594 : `-----------------------------------*/
1595 11 : yyabortlab:
1596 11 : yyresult = 1;
1597 11 : goto yyreturnlab;
1598 :
1599 :
1600 : /*-----------------------------------------------------------.
1601 : | yyexhaustedlab -- YYNOMEM (memory exhaustion) comes here. |
1602 : `-----------------------------------------------------------*/
1603 0 : yyexhaustedlab:
1604 0 : yyerror (result, parse_error_msg_p, yyscanner, YY_("memory exhausted"));
1605 0 : yyresult = 2;
1606 0 : goto yyreturnlab;
1607 :
1608 :
1609 : /*----------------------------------------------------------.
1610 : | yyreturnlab -- parsing is finished, clean up and return. |
1611 : `----------------------------------------------------------*/
1612 243 : yyreturnlab:
1613 243 : if (yychar != YYEMPTY)
1614 : {
1615 : /* Make sure we have latest lookahead translation. See comments at
1616 : user semantic actions for why this is necessary. */
1617 11 : yytoken = YYTRANSLATE (yychar);
1618 11 : yydestruct ("Cleanup: discarding lookahead",
1619 : yytoken, &yylval, result, parse_error_msg_p, yyscanner);
1620 : }
1621 : /* Do not reclaim the symbols of the rule whose action triggered
1622 : this YYABORT or YYACCEPT. */
1623 243 : YYPOPSTACK (yylen);
1624 : YY_STACK_PRINT (yyss, yyssp);
1625 707 : while (yyssp != yyss)
1626 : {
1627 464 : yydestruct ("Cleanup: popping",
1628 464 : YY_ACCESSING_SYMBOL (+*yyssp), yyvsp, result, parse_error_msg_p, yyscanner);
1629 464 : YYPOPSTACK (1);
1630 : }
1631 : #ifndef yyoverflow
1632 243 : if (yyss != yyssa)
1633 0 : YYSTACK_FREE (yyss);
1634 : #endif
1635 :
1636 243 : return yyresult;
1637 : }
1638 :
1639 : #line 273 "pgpa_parser.y"
1640 :
1641 :
1642 : /*
1643 : * Parse an advice_string and return the resulting list of pgpa_advice_item
1644 : * objects. If a parse error occurs, instead return NULL.
1645 : *
1646 : * If the return value is NULL, *error_p will be set to the error message;
1647 : * otherwise, *error_p will be set to NULL.
1648 : */
1649 : List *
1650 : pgpa_parse(const char *advice_string, char **error_p)
1651 : {
1652 : yyscan_t scanner;
1653 : List *result;
1654 : char *error = NULL;
1655 :
1656 : pgpa_scanner_init(advice_string, &scanner);
1657 : pgpa_yyparse(&result, &error, scanner);
1658 : pgpa_scanner_finish(scanner);
1659 :
1660 : if (error != NULL)
1661 : {
1662 : *error_p = error;
1663 : return NULL;
1664 : }
1665 :
1666 : *error_p = NULL;
1667 : return result;
1668 : }
|
