1
/* A Bison parser, made from plural.y
4
#define YYBISON 1 /* Identify Bison output. */
6
#define yyparse __gettextparse
7
#define yylex __gettextlex
8
#define yyerror __gettexterror
9
#define yylval __gettextlval
10
#define yychar __gettextchar
11
#define yydebug __gettextdebug
12
#define yynerrs __gettextnerrs
21
/* Expression parsing for plural form selection.
22
Copyright (C) 2000-2001, 2003 Free Software Foundation, Inc.
23
Written by Ulrich Drepper <drepper@cygnus.com>, 2000.
25
This program is free software; you can redistribute it and/or modify it
26
under the terms of the GNU Library General Public License as published
27
by the Free Software Foundation; either version 2, or (at your option)
30
This program is distributed in the hope that it will be useful,
31
but WITHOUT ANY WARRANTY; without even the implied warranty of
32
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
33
Library General Public License for more details.
35
You should have received a copy of the GNU Library General Public
36
License along with this program; if not, write to the Free Software
37
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
40
/* The bison generated parser uses alloca. AIX 3 forces us to put this
41
declaration at the beginning of the file. The declaration in bison's
42
skeleton file comes too late. This must come before <config.h>
43
because <config.h> may include arbitrary system headers. */
44
#if defined _AIX && !defined __GNUC__
54
#include "plural-exp.h"
56
/* The main function generated by the parser is called __gettextparse,
57
but we want it to be called PLURAL_PARSE. */
59
# define __gettextparse PLURAL_PARSE
62
#define YYLEX_PARAM &((struct parse_args *) arg)->cp
63
#define YYPARSE_PARAM arg
68
unsigned long int num;
70
struct expression *exp;
72
# define YYSTYPE yystype
73
# define YYSTYPE_IS_TRIVIAL 1
77
/* Prototypes for local functions. */
78
static int yylex (YYSTYPE *lval, const char **pexp);
79
static void yyerror (const char *str);
81
/* Allocation of expressions. */
83
static struct expression *
84
new_exp (int nargs, enum operator op, struct expression * const *args)
87
struct expression *newp;
89
/* If any of the argument could not be malloc'ed, just return NULL. */
90
for (i = nargs - 1; i >= 0; i--)
94
/* Allocate a new expression. */
95
newp = (struct expression *) malloc (sizeof (*newp));
100
for (i = nargs - 1; i >= 0; i--)
101
newp->val.args[i] = args[i];
106
for (i = nargs - 1; i >= 0; i--)
107
FREE_EXPRESSION (args[i]);
112
static inline struct expression *
113
new_exp_0 (enum operator op)
115
return new_exp (0, op, NULL);
118
static inline struct expression *
119
new_exp_1 (enum operator op, struct expression *right)
121
struct expression *args[1];
124
return new_exp (1, op, args);
127
static struct expression *
128
new_exp_2 (enum operator op, struct expression *left, struct expression *right)
130
struct expression *args[2];
134
return new_exp (2, op, args);
137
static inline struct expression *
138
new_exp_3 (enum operator op, struct expression *bexp,
139
struct expression *tbranch, struct expression *fbranch)
141
struct expression *args[3];
146
return new_exp (3, op, args);
156
#define YYFLAG -32768
159
/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */
160
#define YYTRANSLATE(x) ((unsigned)(x) <= 261 ? yytranslate[x] : 18)
162
/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */
163
static const char yytranslate[] =
165
0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
166
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
167
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
168
2, 2, 2, 10, 2, 2, 2, 2, 5, 2,
169
14, 15, 2, 2, 2, 2, 2, 2, 2, 2,
170
2, 2, 2, 2, 2, 2, 2, 2, 12, 2,
171
2, 2, 2, 3, 2, 2, 2, 2, 2, 2,
172
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
173
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
174
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
175
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
176
13, 2, 2, 2, 2, 2, 2, 2, 2, 2,
177
2, 2, 2, 2, 4, 2, 2, 2, 2, 2,
178
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
179
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
180
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
181
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
182
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
183
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
184
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
185
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
186
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
187
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
188
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
189
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
190
2, 2, 2, 2, 2, 2, 1, 6, 7, 8,
195
static const short yyprhs[] =
197
0, 0, 2, 8, 12, 16, 20, 24, 28, 32,
200
static const short yyrhs[] =
202
17, 0, 17, 3, 17, 12, 17, 0, 17, 4,
203
17, 0, 17, 5, 17, 0, 17, 6, 17, 0,
204
17, 7, 17, 0, 17, 8, 17, 0, 17, 9,
205
17, 0, 10, 17, 0, 13, 0, 11, 0, 14,
212
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
213
static const short yyrline[] =
215
0, 150, 158, 162, 166, 170, 174, 178, 182, 186,
221
#if (YYDEBUG) || defined YYERROR_VERBOSE
223
/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
224
static const char *const yytname[] =
226
"$", "error", "$undefined.", "'?'", "'|'", "'&'", "EQUOP2", "CMPOP2",
227
"ADDOP2", "MULOP2", "'!'", "NUMBER", "':'", "'n'", "'('", "')'",
232
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
233
static const short yyr1[] =
235
0, 16, 17, 17, 17, 17, 17, 17, 17, 17,
239
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
240
static const short yyr2[] =
242
0, 1, 5, 3, 3, 3, 3, 3, 3, 2,
246
/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
247
doesn't specify something else to do. Zero means the default is an
249
static const short yydefact[] =
251
0, 0, 11, 10, 0, 1, 9, 0, 0, 0,
252
0, 0, 0, 0, 0, 12, 0, 3, 4, 5,
253
6, 7, 8, 0, 2, 0, 0, 0
256
static const short yydefgoto[] =
261
static const short yypact[] =
263
-9, -9,-32768,-32768, -9, 34,-32768, 11, -9, -9,
264
-9, -9, -9, -9, -9,-32768, 24, 39, 43, 16,
265
26, -3,-32768, -9, 34, 21, 53,-32768
268
static const short yypgoto[] =
277
static const short yytable[] =
279
6, 1, 2, 7, 3, 4, 14, 16, 17, 18,
280
19, 20, 21, 22, 8, 9, 10, 11, 12, 13,
281
14, 26, 24, 12, 13, 14, 15, 8, 9, 10,
282
11, 12, 13, 14, 13, 14, 23, 8, 9, 10,
283
11, 12, 13, 14, 10, 11, 12, 13, 14, 11,
287
static const short yycheck[] =
289
1, 10, 11, 4, 13, 14, 9, 8, 9, 10,
290
11, 12, 13, 14, 3, 4, 5, 6, 7, 8,
291
9, 0, 23, 7, 8, 9, 15, 3, 4, 5,
292
6, 7, 8, 9, 8, 9, 12, 3, 4, 5,
293
6, 7, 8, 9, 5, 6, 7, 8, 9, 6,
298
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
299
#line 3 "/usr/local/share/bison/bison.simple"
301
/* Skeleton output parser for bison,
303
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software
306
This program is free software; you can redistribute it and/or modify
307
it under the terms of the GNU General Public License as published by
308
the Free Software Foundation; either version 2, or (at your option)
311
This program is distributed in the hope that it will be useful,
312
but WITHOUT ANY WARRANTY; without even the implied warranty of
313
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
314
GNU General Public License for more details.
316
You should have received a copy of the GNU General Public License
317
along with this program; if not, write to the Free Software
318
Foundation, Inc., 59 Temple Place - Suite 330,
319
Boston, MA 02111-1307, USA. */
321
/* As a special exception, when this file is copied by Bison into a
322
Bison output file, you may use that output file without restriction.
323
This special exception was added by the Free Software Foundation
324
in version 1.24 of Bison. */
326
/* This is the parser code that is written into each bison parser when
327
the %semantic_parser declaration is not specified in the grammar.
328
It was written by Richard Stallman by simplifying the hairy parser
329
used when %semantic_parser is specified. */
331
/* All symbols defined below should begin with yy or YY, to avoid
332
infringing on user name space. This should be done even for local
333
variables, as they might otherwise be expanded by user macros.
334
There are some unavoidable exceptions within include files to
335
define necessary library symbols; they are noted "INFRINGES ON
336
USER NAME SPACE" below. */
338
#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
340
/* The parser invokes alloca or malloc; define the necessary symbols. */
342
# if YYSTACK_USE_ALLOCA
343
# define YYSTACK_ALLOC alloca
345
# ifndef YYSTACK_USE_ALLOCA
346
# if defined (alloca) || defined (_ALLOCA_H)
347
# define YYSTACK_ALLOC alloca
350
# define YYSTACK_ALLOC __builtin_alloca
356
# ifdef YYSTACK_ALLOC
357
/* Pacify GCC's `empty if-body' warning. */
358
# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
360
# if defined (__STDC__) || defined (__cplusplus)
361
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
362
# define YYSIZE_T size_t
364
# define YYSTACK_ALLOC malloc
365
# define YYSTACK_FREE free
367
#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */
370
#if (! defined (yyoverflow) \
371
&& (! defined (__cplusplus) \
372
|| (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
374
/* A type that is properly aligned for any stack member. */
384
/* The size of the maximum gap between one aligned stack and the next. */
385
# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
387
/* The size of an array large to enough to hold all stacks, each with
390
# define YYSTACK_BYTES(N) \
391
((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
392
+ 2 * YYSTACK_GAP_MAX)
394
# define YYSTACK_BYTES(N) \
395
((N) * (sizeof (short) + sizeof (YYSTYPE)) \
399
/* Copy COUNT objects from FROM to TO. The source and destination do
403
# define YYCOPY(To, From, Count) \
404
__builtin_memcpy (To, From, (Count) * sizeof (*(From)))
406
# define YYCOPY(To, From, Count) \
409
register YYSIZE_T yyi; \
410
for (yyi = 0; yyi < (Count); yyi++) \
411
(To)[yyi] = (From)[yyi]; \
417
/* Relocate STACK from its old location to the new one. The
418
local variables YYSIZE and YYSTACKSIZE give the old and new number of
419
elements in the stack, and YYPTR gives the new location of the
420
stack. Advance YYPTR to a properly aligned location for the next
422
# define YYSTACK_RELOCATE(Stack) \
425
YYSIZE_T yynewbytes; \
426
YYCOPY (&yyptr->Stack, Stack, yysize); \
427
Stack = &yyptr->Stack; \
428
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \
429
yyptr += yynewbytes / sizeof (*yyptr); \
436
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
437
# define YYSIZE_T __SIZE_TYPE__
439
#if ! defined (YYSIZE_T) && defined (size_t)
440
# define YYSIZE_T size_t
442
#if ! defined (YYSIZE_T)
443
# if defined (__STDC__) || defined (__cplusplus)
444
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
445
# define YYSIZE_T size_t
448
#if ! defined (YYSIZE_T)
449
# define YYSIZE_T unsigned int
452
#define yyerrok (yyerrstatus = 0)
453
#define yyclearin (yychar = YYEMPTY)
456
#define YYACCEPT goto yyacceptlab
457
#define YYABORT goto yyabortlab
458
#define YYERROR goto yyerrlab1
459
/* Like YYERROR except do call yyerror. This remains here temporarily
460
to ease the transition to the new meaning of YYERROR, for GCC.
461
Once GCC version 2 has supplanted version 1, this can go. */
462
#define YYFAIL goto yyerrlab
463
#define YYRECOVERING() (!!yyerrstatus)
464
#define YYBACKUP(Token, Value) \
466
if (yychar == YYEMPTY && yylen == 1) \
470
yychar1 = YYTRANSLATE (yychar); \
476
yyerror ("syntax error: cannot back up"); \
482
#define YYERRCODE 256
485
/* YYLLOC_DEFAULT -- Compute the default location (before the actions
488
When YYLLOC_DEFAULT is run, CURRENT is set the location of the
489
first token. By default, to implement support for ranges, extend
490
its range to the last symbol. */
492
#ifndef YYLLOC_DEFAULT
493
# define YYLLOC_DEFAULT(Current, Rhs, N) \
494
Current.last_line = Rhs[N].last_line; \
495
Current.last_column = Rhs[N].last_column;
499
/* YYLEX -- calling `yylex' with the right arguments. */
504
# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
506
# define YYLEX yylex (&yylval, &yylloc)
508
# else /* !YYLSP_NEEDED */
510
# define YYLEX yylex (&yylval, YYLEX_PARAM)
512
# define YYLEX yylex (&yylval)
514
# endif /* !YYLSP_NEEDED */
516
# define YYLEX yylex ()
520
/* Enable debugging if requested. */
524
# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
525
# define YYFPRINTF fprintf
528
# define YYDPRINTF(Args) \
533
/* Nonzero means print parse trace. It is left uninitialized so that
534
multiple parsers can coexist. */
537
# define YYDPRINTF(Args)
538
#endif /* !YYDEBUG */
540
/* YYINITDEPTH -- initial size of the parser's stacks. */
542
# define YYINITDEPTH 200
545
/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
546
if the built-in stack extension method is used).
548
Do not make this value too large; the results are undefined if
549
SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
550
evaluated with infinite-precision integer arithmetic. */
557
# define YYMAXDEPTH 10000
560
#ifdef YYERROR_VERBOSE
563
# if defined (__GLIBC__) && defined (_STRING_H)
564
# define yystrlen strlen
566
/* Return the length of YYSTR. */
568
# if defined (__STDC__) || defined (__cplusplus)
569
yystrlen (const char *yystr)
575
register const char *yys = yystr;
577
while (*yys++ != '\0')
580
return yys - yystr - 1;
586
# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
587
# define yystpcpy stpcpy
589
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
592
# if defined (__STDC__) || defined (__cplusplus)
593
yystpcpy (char *yydest, const char *yysrc)
595
yystpcpy (yydest, yysrc)
600
register char *yyd = yydest;
601
register const char *yys = yysrc;
603
while ((*yyd++ = *yys++) != '\0')
612
#line 315 "/usr/local/share/bison/bison.simple"
615
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
616
into yyparse. The argument should have type void *.
617
It should actually point to an object.
618
Grammar actions can access the variable by casting it
619
to the proper pointer type. */
622
# if defined (__STDC__) || defined (__cplusplus)
623
# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
624
# define YYPARSE_PARAM_DECL
626
# define YYPARSE_PARAM_ARG YYPARSE_PARAM
627
# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
629
#else /* !YYPARSE_PARAM */
630
# define YYPARSE_PARAM_ARG
631
# define YYPARSE_PARAM_DECL
632
#endif /* !YYPARSE_PARAM */
634
/* Prevent warning if -Wstrict-prototypes. */
636
# ifdef YYPARSE_PARAM
637
int yyparse (void *);
643
/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
644
variables are global, or local to YYPARSE. */
646
#define YY_DECL_NON_LSP_VARIABLES \
647
/* The lookahead symbol. */ \
650
/* The semantic value of the lookahead symbol. */ \
653
/* Number of parse errors so far. */ \
657
# define YY_DECL_VARIABLES \
658
YY_DECL_NON_LSP_VARIABLES \
660
/* Location data for the lookahead symbol. */ \
663
# define YY_DECL_VARIABLES \
664
YY_DECL_NON_LSP_VARIABLES
668
/* If nonreentrant, generate the variables here. */
675
yyparse (YYPARSE_PARAM_ARG)
678
/* If reentrant, generate the variables here. */
683
register int yystate;
686
/* Number of tokens to shift before error messages enabled. */
688
/* Lookahead token as an internal (translated) token number. */
691
/* Three stacks and their tools:
692
`yyss': related to states,
693
`yyvs': related to semantic values,
694
`yyls': related to locations.
696
Refer to the stacks thru separate pointers, to allow yyoverflow
697
to reallocate them elsewhere. */
699
/* The state stack. */
700
short yyssa[YYINITDEPTH];
702
register short *yyssp;
704
/* The semantic value stack. */
705
YYSTYPE yyvsa[YYINITDEPTH];
706
YYSTYPE *yyvs = yyvsa;
707
register YYSTYPE *yyvsp;
710
/* The location stack. */
711
YYLTYPE yylsa[YYINITDEPTH];
712
YYLTYPE *yyls = yylsa;
717
# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
719
# define YYPOPSTACK (yyvsp--, yyssp--)
722
YYSIZE_T yystacksize = YYINITDEPTH;
725
/* The variables used to return semantic value and location from the
732
/* When reducing, the number of symbols on the RHS of the reduced
736
YYDPRINTF ((stderr, "Starting parse\n"));
741
yychar = YYEMPTY; /* Cause a token to be read. */
743
/* Initialize stack pointers.
744
Waste one element of value and location stack
745
so that they stay on the same level as the state stack.
746
The wasted elements are never initialized. */
755
/*------------------------------------------------------------.
756
| yynewstate -- Push a new state, which is found in yystate. |
757
`------------------------------------------------------------*/
759
/* In all cases, when you get here, the value and location stacks
760
have just been pushed. so pushing a state here evens the stacks.
767
if (yyssp >= yyss + yystacksize - 1)
769
/* Get the current used size of the three stacks, in elements. */
770
YYSIZE_T yysize = yyssp - yyss + 1;
774
/* Give user a chance to reallocate the stack. Use copies of
775
these so that the &'s don't force the real ones into
777
YYSTYPE *yyvs1 = yyvs;
780
/* Each stack pointer address is followed by the size of the
781
data in use in that stack, in bytes. */
783
YYLTYPE *yyls1 = yyls;
784
/* This used to be a conditional around just the two extra args,
785
but that might be undefined if yyoverflow is a macro. */
786
yyoverflow ("parser stack overflow",
787
&yyss1, yysize * sizeof (*yyssp),
788
&yyvs1, yysize * sizeof (*yyvsp),
789
&yyls1, yysize * sizeof (*yylsp),
793
yyoverflow ("parser stack overflow",
794
&yyss1, yysize * sizeof (*yyssp),
795
&yyvs1, yysize * sizeof (*yyvsp),
801
#else /* no yyoverflow */
802
# ifndef YYSTACK_RELOCATE
805
/* Extend the stack our own way. */
806
if (yystacksize >= YYMAXDEPTH)
809
if (yystacksize > YYMAXDEPTH)
810
yystacksize = YYMAXDEPTH;
814
union yyalloc *yyptr =
815
(union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
818
YYSTACK_RELOCATE (yyss);
819
YYSTACK_RELOCATE (yyvs);
821
YYSTACK_RELOCATE (yyls);
823
# undef YYSTACK_RELOCATE
825
YYSTACK_FREE (yyss1);
828
#endif /* no yyoverflow */
830
yyssp = yyss + yysize - 1;
831
yyvsp = yyvs + yysize - 1;
833
yylsp = yyls + yysize - 1;
836
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
837
(unsigned long int) yystacksize));
839
if (yyssp >= yyss + yystacksize - 1)
843
YYDPRINTF ((stderr, "Entering state %d\n", yystate));
853
/* Do appropriate processing given the current state. */
854
/* Read a lookahead token if we need one and don't already have one. */
857
/* First try to decide what to do without reference to lookahead token. */
859
yyn = yypact[yystate];
863
/* Not known => get a lookahead token if don't already have one. */
865
/* yychar is either YYEMPTY or YYEOF
866
or a valid token in external form. */
868
if (yychar == YYEMPTY)
870
YYDPRINTF ((stderr, "Reading a token: "));
874
/* Convert token to internal form (in yychar1) for indexing tables with */
876
if (yychar <= 0) /* This means end of input. */
879
yychar = YYEOF; /* Don't call YYLEX any more */
881
YYDPRINTF ((stderr, "Now at end of input.\n"));
885
yychar1 = YYTRANSLATE (yychar);
888
/* We have to keep this `#if YYDEBUG', since we use variables
889
which are defined only if `YYDEBUG' is set. */
892
YYFPRINTF (stderr, "Next token is %d (%s",
893
yychar, yytname[yychar1]);
894
/* Give the individual parser a way to print the precise
895
meaning of a token, for further debugging info. */
897
YYPRINT (stderr, yychar, yylval);
899
YYFPRINTF (stderr, ")\n");
905
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
910
/* yyn is what to do for this token type in this state.
911
Negative => reduce, -yyn is rule number.
912
Positive => shift, yyn is new state.
913
New state is final state => don't bother to shift,
915
0, or most negative number => error. */
930
/* Shift the lookahead token. */
931
YYDPRINTF ((stderr, "Shifting token %d (%s), ",
932
yychar, yytname[yychar1]));
934
/* Discard the token being shifted unless it is eof. */
943
/* Count tokens shifted since error; after three, turn off error
952
/*-----------------------------------------------------------.
953
| yydefault -- do the default action for the current state. |
954
`-----------------------------------------------------------*/
956
yyn = yydefact[yystate];
962
/*-----------------------------.
963
| yyreduce -- Do a reduction. |
964
`-----------------------------*/
966
/* yyn is the number of a rule to reduce with. */
969
/* If YYLEN is nonzero, implement the default value of the action:
972
Otherwise, the following line sets YYVAL to the semantic value of
973
the lookahead token. This behavior is undocumented and Bison
974
users should not rely upon it. Assigning to YYVAL
975
unconditionally makes the parser a bit smaller, and it avoids a
976
GCC warning that YYVAL may be used uninitialized. */
977
yyval = yyvsp[1-yylen];
980
/* Similarly for the default location. Let the user run additional
981
commands if for instance locations are ranges. */
982
yyloc = yylsp[1-yylen];
983
YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
987
/* We have to keep this `#if YYDEBUG', since we use variables which
988
are defined only if `YYDEBUG' is set. */
993
YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
996
/* Print the symbols being reduced, and their result. */
997
for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
998
YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
999
YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
1006
#line 151 "plural.y"
1008
if (yyvsp[0].exp == NULL)
1010
((struct parse_args *) arg)->res = yyvsp[0].exp;
1014
#line 159 "plural.y"
1016
yyval.exp = new_exp_3 (qmop, yyvsp[-4].exp, yyvsp[-2].exp, yyvsp[0].exp);
1020
#line 163 "plural.y"
1022
yyval.exp = new_exp_2 (lor, yyvsp[-2].exp, yyvsp[0].exp);
1026
#line 167 "plural.y"
1028
yyval.exp = new_exp_2 (land, yyvsp[-2].exp, yyvsp[0].exp);
1032
#line 171 "plural.y"
1034
yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
1038
#line 175 "plural.y"
1040
yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
1044
#line 179 "plural.y"
1046
yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
1050
#line 183 "plural.y"
1052
yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
1056
#line 187 "plural.y"
1058
yyval.exp = new_exp_1 (lnot, yyvsp[0].exp);
1062
#line 191 "plural.y"
1064
yyval.exp = new_exp_0 (var);
1068
#line 195 "plural.y"
1070
if ((yyval.exp = new_exp_0 (num)) != NULL)
1071
yyval.exp->val.num = yyvsp[0].num;
1075
#line 200 "plural.y"
1077
yyval.exp = yyvsp[-1].exp;
1082
#line 705 "/usr/local/share/bison/bison.simple"
1094
short *yyssp1 = yyss - 1;
1095
YYFPRINTF (stderr, "state stack now");
1096
while (yyssp1 != yyssp)
1097
YYFPRINTF (stderr, " %d", *++yyssp1);
1098
YYFPRINTF (stderr, "\n");
1107
/* Now `shift' the result of the reduction. Determine what state
1108
that goes to, based on the state we popped back to and the rule
1109
number reduced by. */
1113
yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
1114
if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
1115
yystate = yytable[yystate];
1117
yystate = yydefgoto[yyn - YYNTBASE];
1122
/*------------------------------------.
1123
| yyerrlab -- here on detecting error |
1124
`------------------------------------*/
1126
/* If not already recovering from an error, report this error. */
1131
#ifdef YYERROR_VERBOSE
1132
yyn = yypact[yystate];
1134
if (yyn > YYFLAG && yyn < YYLAST)
1136
YYSIZE_T yysize = 0;
1141
/* Start YYX at -YYN if negative to avoid negative indexes in
1143
for (yyx = yyn < 0 ? -yyn : 0;
1144
yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
1145
if (yycheck[yyx + yyn] == yyx)
1146
yysize += yystrlen (yytname[yyx]) + 15, yycount++;
1147
yysize += yystrlen ("parse error, unexpected ") + 1;
1148
yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
1149
yymsg = (char *) YYSTACK_ALLOC (yysize);
1152
char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
1153
yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);
1158
for (yyx = yyn < 0 ? -yyn : 0;
1159
yyx < (int) (sizeof (yytname) / sizeof (char *));
1161
if (yycheck[yyx + yyn] == yyx)
1163
const char *yyq = ! yycount ? ", expecting " : " or ";
1164
yyp = yystpcpy (yyp, yyq);
1165
yyp = yystpcpy (yyp, yytname[yyx]);
1170
YYSTACK_FREE (yymsg);
1173
yyerror ("parse error; also virtual memory exhausted");
1176
#endif /* defined (YYERROR_VERBOSE) */
1177
yyerror ("parse error");
1182
/*--------------------------------------------------.
1183
| yyerrlab1 -- error raised explicitly by an action |
1184
`--------------------------------------------------*/
1186
if (yyerrstatus == 3)
1188
/* If just tried and failed to reuse lookahead token after an
1189
error, discard it. */
1191
/* return failure if at end of input */
1192
if (yychar == YYEOF)
1194
YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
1195
yychar, yytname[yychar1]));
1199
/* Else will try to reuse lookahead token after shifting the error
1202
yyerrstatus = 3; /* Each real token shifted decrements this */
1207
/*-------------------------------------------------------------------.
1208
| yyerrdefault -- current state does not do anything special for the |
1210
`-------------------------------------------------------------------*/
1213
/* This is wrong; only states that explicitly want error tokens
1214
should shift them. */
1216
/* If its default is to accept any token, ok. Otherwise pop it. */
1217
yyn = yydefact[yystate];
1223
/*---------------------------------------------------------------.
1224
| yyerrpop -- pop the current state because it cannot handle the |
1226
`---------------------------------------------------------------*/
1239
short *yyssp1 = yyss - 1;
1240
YYFPRINTF (stderr, "Error: state stack now");
1241
while (yyssp1 != yyssp)
1242
YYFPRINTF (stderr, " %d", *++yyssp1);
1243
YYFPRINTF (stderr, "\n");
1251
yyn = yypact[yystate];
1256
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
1273
YYDPRINTF ((stderr, "Shifting error token, "));
1284
/*-------------------------------------.
1285
| yyacceptlab -- YYACCEPT comes here. |
1286
`-------------------------------------*/
1291
/*-----------------------------------.
1292
| yyabortlab -- YYABORT comes here. |
1293
`-----------------------------------*/
1298
/*---------------------------------------------.
1299
| yyoverflowab -- parser overflow comes here. |
1300
`---------------------------------------------*/
1302
yyerror ("parser stack overflow");
1309
YYSTACK_FREE (yyss);
1313
#line 205 "plural.y"
1318
FREE_EXPRESSION (struct expression *exp)
1323
/* Handle the recursive case. */
1327
FREE_EXPRESSION (exp->val.args[2]);
1330
FREE_EXPRESSION (exp->val.args[1]);
1333
FREE_EXPRESSION (exp->val.args[0]);
1344
yylex (YYSTYPE *lval, const char **pexp)
1346
const char *exp = *pexp;
1357
if (exp[0] != ' ' && exp[0] != '\t')
1366
case '0': case '1': case '2': case '3': case '4':
1367
case '5': case '6': case '7': case '8': case '9':
1369
unsigned long int n = result - '0';
1370
while (exp[0] >= '0' && exp[0] <= '9')
1396
lval->op = not_equal;
1403
if (exp[0] == result)
1413
lval->op = less_or_equal;
1416
lval->op = less_than;
1424
lval->op = greater_or_equal;
1427
lval->op = greater_than;
1461
/* Nothing, just return the character. */
1467
/* Be safe and let the user call this function again. */
1487
yyerror (const char *str)
1489
/* Do nothing. We don't print error messages here. */