1490 lines
36 KiB
C
1490 lines
36 KiB
C
/* A Bison parser, made from plural.y
|
||
by GNU bison 1.35. */
|
||
|
||
#define YYBISON 1 /* Identify Bison output. */
|
||
|
||
#define yyparse __gettextparse
|
||
#define yylex __gettextlex
|
||
#define yyerror __gettexterror
|
||
#define yylval __gettextlval
|
||
#define yychar __gettextchar
|
||
#define yydebug __gettextdebug
|
||
#define yynerrs __gettextnerrs
|
||
# define EQUOP2 257
|
||
# define CMPOP2 258
|
||
# define ADDOP2 259
|
||
# define MULOP2 260
|
||
# define NUMBER 261
|
||
|
||
#line 1 "plural.y"
|
||
|
||
/* Expression parsing for plural form selection.
|
||
Copyright (C) 2000-2001, 2003 Free Software Foundation, Inc.
|
||
Written by Ulrich Drepper <drepper@cygnus.com>, 2000.
|
||
|
||
This program is free software; you can redistribute it and/or modify it
|
||
under the terms of the GNU Library General Public License as published
|
||
by the Free Software Foundation; either version 2, or (at your option)
|
||
any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
Library General Public License for more details.
|
||
|
||
You should have received a copy of the GNU Library General Public
|
||
License along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
||
USA. */
|
||
|
||
/* The bison generated parser uses alloca. AIX 3 forces us to put this
|
||
declaration at the beginning of the file. The declaration in bison's
|
||
skeleton file comes too late. This must come before <config.h>
|
||
because <config.h> may include arbitrary system headers. */
|
||
#if defined _AIX && !defined __GNUC__
|
||
#pragma alloca
|
||
#endif
|
||
|
||
#ifdef HAVE_CONFIG_H
|
||
# include <config.h>
|
||
#endif
|
||
|
||
#include <stddef.h>
|
||
#include <stdlib.h>
|
||
#include "plural-exp.h"
|
||
|
||
/* The main function generated by the parser is called __gettextparse,
|
||
but we want it to be called PLURAL_PARSE. */
|
||
#ifndef _LIBC
|
||
# define __gettextparse PLURAL_PARSE
|
||
#endif
|
||
|
||
#define YYLEX_PARAM &((struct parse_args *) arg)->cp
|
||
#define YYPARSE_PARAM arg
|
||
|
||
#line 49 "plural.y"
|
||
#ifndef YYSTYPE
|
||
typedef union {
|
||
unsigned long int num;
|
||
enum operator op;
|
||
struct expression *exp;
|
||
} yystype;
|
||
# define YYSTYPE yystype
|
||
# define YYSTYPE_IS_TRIVIAL 1
|
||
#endif
|
||
#line 55 "plural.y"
|
||
|
||
/* Prototypes for local functions. */
|
||
static int yylex (YYSTYPE *lval, const char **pexp);
|
||
static void yyerror (const char *str);
|
||
|
||
/* Allocation of expressions. */
|
||
|
||
static struct expression *
|
||
new_exp (int nargs, enum operator op, struct expression * const *args)
|
||
{
|
||
int i;
|
||
struct expression *newp;
|
||
|
||
/* If any of the argument could not be malloc'ed, just return NULL. */
|
||
for (i = nargs - 1; i >= 0; i--)
|
||
if (args[i] == NULL)
|
||
goto fail;
|
||
|
||
/* Allocate a new expression. */
|
||
newp = (struct expression *) malloc (sizeof (*newp));
|
||
if (newp != NULL)
|
||
{
|
||
newp->nargs = nargs;
|
||
newp->operation = op;
|
||
for (i = nargs - 1; i >= 0; i--)
|
||
newp->val.args[i] = args[i];
|
||
return newp;
|
||
}
|
||
|
||
fail:
|
||
for (i = nargs - 1; i >= 0; i--)
|
||
FREE_EXPRESSION (args[i]);
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static inline struct expression *
|
||
new_exp_0 (enum operator op)
|
||
{
|
||
return new_exp (0, op, NULL);
|
||
}
|
||
|
||
static inline struct expression *
|
||
new_exp_1 (enum operator op, struct expression *right)
|
||
{
|
||
struct expression *args[1];
|
||
|
||
args[0] = right;
|
||
return new_exp (1, op, args);
|
||
}
|
||
|
||
static struct expression *
|
||
new_exp_2 (enum operator op, struct expression *left, struct expression *right)
|
||
{
|
||
struct expression *args[2];
|
||
|
||
args[0] = left;
|
||
args[1] = right;
|
||
return new_exp (2, op, args);
|
||
}
|
||
|
||
static inline struct expression *
|
||
new_exp_3 (enum operator op, struct expression *bexp,
|
||
struct expression *tbranch, struct expression *fbranch)
|
||
{
|
||
struct expression *args[3];
|
||
|
||
args[0] = bexp;
|
||
args[1] = tbranch;
|
||
args[2] = fbranch;
|
||
return new_exp (3, op, args);
|
||
}
|
||
|
||
#ifndef YYDEBUG
|
||
# define YYDEBUG 0
|
||
#endif
|
||
|
||
|
||
|
||
#define YYFINAL 27
|
||
#define YYFLAG -32768
|
||
#define YYNTBASE 16
|
||
|
||
/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */
|
||
#define YYTRANSLATE(x) ((unsigned)(x) <= 261 ? yytranslate[x] : 18)
|
||
|
||
/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */
|
||
static const char yytranslate[] =
|
||
{
|
||
0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 10, 2, 2, 2, 2, 5, 2,
|
||
14, 15, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 12, 2,
|
||
2, 2, 2, 3, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
13, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 4, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
||
2, 2, 2, 2, 2, 2, 1, 6, 7, 8,
|
||
9, 11
|
||
};
|
||
|
||
#if YYDEBUG
|
||
static const short yyprhs[] =
|
||
{
|
||
0, 0, 2, 8, 12, 16, 20, 24, 28, 32,
|
||
35, 37, 39
|
||
};
|
||
static const short yyrhs[] =
|
||
{
|
||
17, 0, 17, 3, 17, 12, 17, 0, 17, 4,
|
||
17, 0, 17, 5, 17, 0, 17, 6, 17, 0,
|
||
17, 7, 17, 0, 17, 8, 17, 0, 17, 9,
|
||
17, 0, 10, 17, 0, 13, 0, 11, 0, 14,
|
||
17, 15, 0
|
||
};
|
||
|
||
#endif
|
||
|
||
#if YYDEBUG
|
||
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
|
||
static const short yyrline[] =
|
||
{
|
||
0, 150, 158, 162, 166, 170, 174, 178, 182, 186,
|
||
190, 194, 199
|
||
};
|
||
#endif
|
||
|
||
|
||
#if (YYDEBUG) || defined YYERROR_VERBOSE
|
||
|
||
/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
|
||
static const char *const yytname[] =
|
||
{
|
||
"$", "error", "$undefined.", "'?'", "'|'", "'&'", "EQUOP2", "CMPOP2",
|
||
"ADDOP2", "MULOP2", "'!'", "NUMBER", "':'", "'n'", "'('", "')'",
|
||
"start", "exp", 0
|
||
};
|
||
#endif
|
||
|
||
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
|
||
static const short yyr1[] =
|
||
{
|
||
0, 16, 17, 17, 17, 17, 17, 17, 17, 17,
|
||
17, 17, 17
|
||
};
|
||
|
||
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
|
||
static const short yyr2[] =
|
||
{
|
||
0, 1, 5, 3, 3, 3, 3, 3, 3, 2,
|
||
1, 1, 3
|
||
};
|
||
|
||
/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
|
||
doesn't specify something else to do. Zero means the default is an
|
||
error. */
|
||
static const short yydefact[] =
|
||
{
|
||
0, 0, 11, 10, 0, 1, 9, 0, 0, 0,
|
||
0, 0, 0, 0, 0, 12, 0, 3, 4, 5,
|
||
6, 7, 8, 0, 2, 0, 0, 0
|
||
};
|
||
|
||
static const short yydefgoto[] =
|
||
{
|
||
25, 5
|
||
};
|
||
|
||
static const short yypact[] =
|
||
{
|
||
-9, -9,-32768,-32768, -9, 34,-32768, 11, -9, -9,
|
||
-9, -9, -9, -9, -9,-32768, 24, 39, 43, 16,
|
||
26, -3,-32768, -9, 34, 21, 53,-32768
|
||
};
|
||
|
||
static const short yypgoto[] =
|
||
{
|
||
-32768, -1
|
||
};
|
||
|
||
|
||
#define YYLAST 53
|
||
|
||
|
||
static const short yytable[] =
|
||
{
|
||
6, 1, 2, 7, 3, 4, 14, 16, 17, 18,
|
||
19, 20, 21, 22, 8, 9, 10, 11, 12, 13,
|
||
14, 26, 24, 12, 13, 14, 15, 8, 9, 10,
|
||
11, 12, 13, 14, 13, 14, 23, 8, 9, 10,
|
||
11, 12, 13, 14, 10, 11, 12, 13, 14, 11,
|
||
12, 13, 14, 27
|
||
};
|
||
|
||
static const short yycheck[] =
|
||
{
|
||
1, 10, 11, 4, 13, 14, 9, 8, 9, 10,
|
||
11, 12, 13, 14, 3, 4, 5, 6, 7, 8,
|
||
9, 0, 23, 7, 8, 9, 15, 3, 4, 5,
|
||
6, 7, 8, 9, 8, 9, 12, 3, 4, 5,
|
||
6, 7, 8, 9, 5, 6, 7, 8, 9, 6,
|
||
7, 8, 9, 0
|
||
};
|
||
#define YYPURE 1
|
||
|
||
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
|
||
#line 3 "/home/haible/gnu/arch/linuxlibc6/share/bison/bison.simple"
|
||
|
||
/* Skeleton output parser for bison,
|
||
|
||
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software
|
||
Foundation, Inc.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2, or (at your option)
|
||
any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 59 Temple Place - Suite 330,
|
||
Boston, MA 02111-1307, USA. */
|
||
|
||
/* As a special exception, when this file is copied by Bison into a
|
||
Bison output file, you may use that output file without restriction.
|
||
This special exception was added by the Free Software Foundation
|
||
in version 1.24 of Bison. */
|
||
|
||
/* This is the parser code that is written into each bison parser when
|
||
the %semantic_parser declaration is not specified in the grammar.
|
||
It was written by Richard Stallman by simplifying the hairy parser
|
||
used when %semantic_parser is specified. */
|
||
|
||
/* All symbols defined below should begin with yy or YY, to avoid
|
||
infringing on user name space. This should be done even for local
|
||
variables, as they might otherwise be expanded by user macros.
|
||
There are some unavoidable exceptions within include files to
|
||
define necessary library symbols; they are noted "INFRINGES ON
|
||
USER NAME SPACE" below. */
|
||
|
||
#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
|
||
|
||
/* The parser invokes alloca or malloc; define the necessary symbols. */
|
||
|
||
# if YYSTACK_USE_ALLOCA
|
||
# define YYSTACK_ALLOC alloca
|
||
# else
|
||
# ifndef YYSTACK_USE_ALLOCA
|
||
# if defined (alloca) || defined (_ALLOCA_H)
|
||
# define YYSTACK_ALLOC alloca
|
||
# else
|
||
# ifdef __GNUC__
|
||
# define YYSTACK_ALLOC __builtin_alloca
|
||
# endif
|
||
# endif
|
||
# endif
|
||
# endif
|
||
|
||
# ifdef YYSTACK_ALLOC
|
||
/* Pacify GCC's `empty if-body' warning. */
|
||
# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
|
||
# else
|
||
# if defined (__STDC__) || defined (__cplusplus)
|
||
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
|
||
# define YYSIZE_T size_t
|
||
# endif
|
||
# define YYSTACK_ALLOC malloc
|
||
# define YYSTACK_FREE free
|
||
# endif
|
||
#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */
|
||
|
||
|
||
#if (! defined (yyoverflow) \
|
||
&& (! defined (__cplusplus) \
|
||
|| (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
|
||
|
||
/* A type that is properly aligned for any stack member. */
|
||
union yyalloc
|
||
{
|
||
short yyss;
|
||
YYSTYPE yyvs;
|
||
# if YYLSP_NEEDED
|
||
YYLTYPE yyls;
|
||
# endif
|
||
};
|
||
|
||
/* The size of the maximum gap between one aligned stack and the next. */
|
||
# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
|
||
|
||
/* The size of an array large to enough to hold all stacks, each with
|
||
N elements. */
|
||
# if YYLSP_NEEDED
|
||
# define YYSTACK_BYTES(N) \
|
||
((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
|
||
+ 2 * YYSTACK_GAP_MAX)
|
||
# else
|
||
# define YYSTACK_BYTES(N) \
|
||
((N) * (sizeof (short) + sizeof (YYSTYPE)) \
|
||
+ YYSTACK_GAP_MAX)
|
||
# endif
|
||
|
||
/* Copy COUNT objects from FROM to TO. The source and destination do
|
||
not overlap. */
|
||
# ifndef YYCOPY
|
||
# if 1 < __GNUC__
|
||
# define YYCOPY(To, From, Count) \
|
||
__builtin_memcpy (To, From, (Count) * sizeof (*(From)))
|
||
# else
|
||
# define YYCOPY(To, From, Count) \
|
||
do \
|
||
{ \
|
||
register YYSIZE_T yyi; \
|
||
for (yyi = 0; yyi < (Count); yyi++) \
|
||
(To)[yyi] = (From)[yyi]; \
|
||
} \
|
||
while (0)
|
||
# endif
|
||
# endif
|
||
|
||
/* Relocate STACK from its old location to the new one. The
|
||
local variables YYSIZE and YYSTACKSIZE give the old and new number of
|
||
elements in the stack, and YYPTR gives the new location of the
|
||
stack. Advance YYPTR to a properly aligned location for the next
|
||
stack. */
|
||
# define YYSTACK_RELOCATE(Stack) \
|
||
do \
|
||
{ \
|
||
YYSIZE_T yynewbytes; \
|
||
YYCOPY (&yyptr->Stack, Stack, yysize); \
|
||
Stack = &yyptr->Stack; \
|
||
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \
|
||
yyptr += yynewbytes / sizeof (*yyptr); \
|
||
} \
|
||
while (0)
|
||
|
||
#endif
|
||
|
||
|
||
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
|
||
# define YYSIZE_T __SIZE_TYPE__
|
||
#endif
|
||
#if ! defined (YYSIZE_T) && defined (size_t)
|
||
# define YYSIZE_T size_t
|
||
#endif
|
||
#if ! defined (YYSIZE_T)
|
||
# if defined (__STDC__) || defined (__cplusplus)
|
||
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
|
||
# define YYSIZE_T size_t
|
||
# endif
|
||
#endif
|
||
#if ! defined (YYSIZE_T)
|
||
# define YYSIZE_T unsigned int
|
||
#endif
|
||
|
||
#define yyerrok (yyerrstatus = 0)
|
||
#define yyclearin (yychar = YYEMPTY)
|
||
#define YYEMPTY -2
|
||
#define YYEOF 0
|
||
#define YYACCEPT goto yyacceptlab
|
||
#define YYABORT goto yyabortlab
|
||
#define YYERROR goto yyerrlab1
|
||
/* Like YYERROR except do call yyerror. This remains here temporarily
|
||
to ease the transition to the new meaning of YYERROR, for GCC.
|
||
Once GCC version 2 has supplanted version 1, this can go. */
|
||
#define YYFAIL goto yyerrlab
|
||
#define YYRECOVERING() (!!yyerrstatus)
|
||
#define YYBACKUP(Token, Value) \
|
||
do \
|
||
if (yychar == YYEMPTY && yylen == 1) \
|
||
{ \
|
||
yychar = (Token); \
|
||
yylval = (Value); \
|
||
yychar1 = YYTRANSLATE (yychar); \
|
||
YYPOPSTACK; \
|
||
goto yybackup; \
|
||
} \
|
||
else \
|
||
{ \
|
||
yyerror ("syntax error: cannot back up"); \
|
||
YYERROR; \
|
||
} \
|
||
while (0)
|
||
|
||
#define YYTERROR 1
|
||
#define YYERRCODE 256
|
||
|
||
|
||
/* YYLLOC_DEFAULT -- Compute the default location (before the actions
|
||
are run).
|
||
|
||
When YYLLOC_DEFAULT is run, CURRENT is set the location of the
|
||
first token. By default, to implement support for ranges, extend
|
||
its range to the last symbol. */
|
||
|
||
#ifndef YYLLOC_DEFAULT
|
||
# define YYLLOC_DEFAULT(Current, Rhs, N) \
|
||
Current.last_line = Rhs[N].last_line; \
|
||
Current.last_column = Rhs[N].last_column;
|
||
#endif
|
||
|
||
|
||
/* YYLEX -- calling `yylex' with the right arguments. */
|
||
|
||
#if YYPURE
|
||
# if YYLSP_NEEDED
|
||
# ifdef YYLEX_PARAM
|
||
# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
|
||
# else
|
||
# define YYLEX yylex (&yylval, &yylloc)
|
||
# endif
|
||
# else /* !YYLSP_NEEDED */
|
||
# ifdef YYLEX_PARAM
|
||
# define YYLEX yylex (&yylval, YYLEX_PARAM)
|
||
# else
|
||
# define YYLEX yylex (&yylval)
|
||
# endif
|
||
# endif /* !YYLSP_NEEDED */
|
||
#else /* !YYPURE */
|
||
# define YYLEX yylex ()
|
||
#endif /* !YYPURE */
|
||
|
||
|
||
/* Enable debugging if requested. */
|
||
#if YYDEBUG
|
||
|
||
# ifndef YYFPRINTF
|
||
# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
|
||
# define YYFPRINTF fprintf
|
||
# endif
|
||
|
||
# define YYDPRINTF(Args) \
|
||
do { \
|
||
if (yydebug) \
|
||
YYFPRINTF Args; \
|
||
} while (0)
|
||
/* Nonzero means print parse trace. It is left uninitialized so that
|
||
multiple parsers can coexist. */
|
||
int yydebug;
|
||
#else /* !YYDEBUG */
|
||
# define YYDPRINTF(Args)
|
||
#endif /* !YYDEBUG */
|
||
|
||
/* YYINITDEPTH -- initial size of the parser's stacks. */
|
||
#ifndef YYINITDEPTH
|
||
# define YYINITDEPTH 200
|
||
#endif
|
||
|
||
/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
|
||
if the built-in stack extension method is used).
|
||
|
||
Do not make this value too large; the results are undefined if
|
||
SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
|
||
evaluated with infinite-precision integer arithmetic. */
|
||
|
||
#if YYMAXDEPTH == 0
|
||
# undef YYMAXDEPTH
|
||
#endif
|
||
|
||
#ifndef YYMAXDEPTH
|
||
# define YYMAXDEPTH 10000
|
||
#endif
|
||
|
||
#ifdef YYERROR_VERBOSE
|
||
|
||
# ifndef yystrlen
|
||
# if defined (__GLIBC__) && defined (_STRING_H)
|
||
# define yystrlen strlen
|
||
# else
|
||
/* Return the length of YYSTR. */
|
||
static YYSIZE_T
|
||
# if defined (__STDC__) || defined (__cplusplus)
|
||
yystrlen (const char *yystr)
|
||
# else
|
||
yystrlen (yystr)
|
||
const char *yystr;
|
||
# endif
|
||
{
|
||
register const char *yys = yystr;
|
||
|
||
while (*yys++ != '\0')
|
||
continue;
|
||
|
||
return yys - yystr - 1;
|
||
}
|
||
# endif
|
||
# endif
|
||
|
||
# ifndef yystpcpy
|
||
# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
|
||
# define yystpcpy stpcpy
|
||
# else
|
||
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
|
||
YYDEST. */
|
||
static char *
|
||
# if defined (__STDC__) || defined (__cplusplus)
|
||
yystpcpy (char *yydest, const char *yysrc)
|
||
# else
|
||
yystpcpy (yydest, yysrc)
|
||
char *yydest;
|
||
const char *yysrc;
|
||
# endif
|
||
{
|
||
register char *yyd = yydest;
|
||
register const char *yys = yysrc;
|
||
|
||
while ((*yyd++ = *yys++) != '\0')
|
||
continue;
|
||
|
||
return yyd - 1;
|
||
}
|
||
# endif
|
||
# endif
|
||
#endif
|
||
|
||
#line 315 "/home/haible/gnu/arch/linuxlibc6/share/bison/bison.simple"
|
||
|
||
|
||
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
|
||
into yyparse. The argument should have type void *.
|
||
It should actually point to an object.
|
||
Grammar actions can access the variable by casting it
|
||
to the proper pointer type. */
|
||
|
||
#ifdef YYPARSE_PARAM
|
||
# if defined (__STDC__) || defined (__cplusplus)
|
||
# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
|
||
# define YYPARSE_PARAM_DECL
|
||
# else
|
||
# define YYPARSE_PARAM_ARG YYPARSE_PARAM
|
||
# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
|
||
# endif
|
||
#else /* !YYPARSE_PARAM */
|
||
# define YYPARSE_PARAM_ARG
|
||
# define YYPARSE_PARAM_DECL
|
||
#endif /* !YYPARSE_PARAM */
|
||
|
||
/* Prevent warning if -Wstrict-prototypes. */
|
||
#ifdef __GNUC__
|
||
# ifdef YYPARSE_PARAM
|
||
int yyparse (void *);
|
||
# else
|
||
int yyparse (void);
|
||
# endif
|
||
#endif
|
||
|
||
/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
|
||
variables are global, or local to YYPARSE. */
|
||
|
||
#define YY_DECL_NON_LSP_VARIABLES \
|
||
/* The lookahead symbol. */ \
|
||
int yychar; \
|
||
\
|
||
/* The semantic value of the lookahead symbol. */ \
|
||
YYSTYPE yylval; \
|
||
\
|
||
/* Number of parse errors so far. */ \
|
||
int yynerrs;
|
||
|
||
#if YYLSP_NEEDED
|
||
# define YY_DECL_VARIABLES \
|
||
YY_DECL_NON_LSP_VARIABLES \
|
||
\
|
||
/* Location data for the lookahead symbol. */ \
|
||
YYLTYPE yylloc;
|
||
#else
|
||
# define YY_DECL_VARIABLES \
|
||
YY_DECL_NON_LSP_VARIABLES
|
||
#endif
|
||
|
||
|
||
/* If nonreentrant, generate the variables here. */
|
||
|
||
#if !YYPURE
|
||
YY_DECL_VARIABLES
|
||
#endif /* !YYPURE */
|
||
|
||
int
|
||
yyparse (YYPARSE_PARAM_ARG)
|
||
YYPARSE_PARAM_DECL
|
||
{
|
||
/* If reentrant, generate the variables here. */
|
||
#if YYPURE
|
||
YY_DECL_VARIABLES
|
||
#endif /* !YYPURE */
|
||
|
||
register int yystate;
|
||
register int yyn;
|
||
int yyresult;
|
||
/* Number of tokens to shift before error messages enabled. */
|
||
int yyerrstatus;
|
||
/* Lookahead token as an internal (translated) token number. */
|
||
int yychar1 = 0;
|
||
|
||
/* Three stacks and their tools:
|
||
`yyss': related to states,
|
||
`yyvs': related to semantic values,
|
||
`yyls': related to locations.
|
||
|
||
Refer to the stacks thru separate pointers, to allow yyoverflow
|
||
to reallocate them elsewhere. */
|
||
|
||
/* The state stack. */
|
||
short yyssa[YYINITDEPTH];
|
||
short *yyss = yyssa;
|
||
register short *yyssp;
|
||
|
||
/* The semantic value stack. */
|
||
YYSTYPE yyvsa[YYINITDEPTH];
|
||
YYSTYPE *yyvs = yyvsa;
|
||
register YYSTYPE *yyvsp;
|
||
|
||
#if YYLSP_NEEDED
|
||
/* The location stack. */
|
||
YYLTYPE yylsa[YYINITDEPTH];
|
||
YYLTYPE *yyls = yylsa;
|
||
YYLTYPE *yylsp;
|
||
#endif
|
||
|
||
#if YYLSP_NEEDED
|
||
# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
|
||
#else
|
||
# define YYPOPSTACK (yyvsp--, yyssp--)
|
||
#endif
|
||
|
||
YYSIZE_T yystacksize = YYINITDEPTH;
|
||
|
||
|
||
/* The variables used to return semantic value and location from the
|
||
action routines. */
|
||
YYSTYPE yyval;
|
||
#if YYLSP_NEEDED
|
||
YYLTYPE yyloc;
|
||
#endif
|
||
|
||
/* When reducing, the number of symbols on the RHS of the reduced
|
||
rule. */
|
||
int yylen;
|
||
|
||
YYDPRINTF ((stderr, "Starting parse\n"));
|
||
|
||
yystate = 0;
|
||
yyerrstatus = 0;
|
||
yynerrs = 0;
|
||
yychar = YYEMPTY; /* Cause a token to be read. */
|
||
|
||
/* Initialize stack pointers.
|
||
Waste one element of value and location stack
|
||
so that they stay on the same level as the state stack.
|
||
The wasted elements are never initialized. */
|
||
|
||
yyssp = yyss;
|
||
yyvsp = yyvs;
|
||
#if YYLSP_NEEDED
|
||
yylsp = yyls;
|
||
#endif
|
||
goto yysetstate;
|
||
|
||
/*------------------------------------------------------------.
|
||
| yynewstate -- Push a new state, which is found in yystate. |
|
||
`------------------------------------------------------------*/
|
||
yynewstate:
|
||
/* In all cases, when you get here, the value and location stacks
|
||
have just been pushed. so pushing a state here evens the stacks.
|
||
*/
|
||
yyssp++;
|
||
|
||
yysetstate:
|
||
*yyssp = yystate;
|
||
|
||
if (yyssp >= yyss + yystacksize - 1)
|
||
{
|
||
/* Get the current used size of the three stacks, in elements. */
|
||
YYSIZE_T yysize = yyssp - yyss + 1;
|
||
|
||
#ifdef yyoverflow
|
||
{
|
||
/* Give user a chance to reallocate the stack. Use copies of
|
||
these so that the &'s don't force the real ones into
|
||
memory. */
|
||
YYSTYPE *yyvs1 = yyvs;
|
||
short *yyss1 = yyss;
|
||
|
||
/* Each stack pointer address is followed by the size of the
|
||
data in use in that stack, in bytes. */
|
||
# if YYLSP_NEEDED
|
||
YYLTYPE *yyls1 = yyls;
|
||
/* This used to be a conditional around just the two extra args,
|
||
but that might be undefined if yyoverflow is a macro. */
|
||
yyoverflow ("parser stack overflow",
|
||
&yyss1, yysize * sizeof (*yyssp),
|
||
&yyvs1, yysize * sizeof (*yyvsp),
|
||
&yyls1, yysize * sizeof (*yylsp),
|
||
&yystacksize);
|
||
yyls = yyls1;
|
||
# else
|
||
yyoverflow ("parser stack overflow",
|
||
&yyss1, yysize * sizeof (*yyssp),
|
||
&yyvs1, yysize * sizeof (*yyvsp),
|
||
&yystacksize);
|
||
# endif
|
||
yyss = yyss1;
|
||
yyvs = yyvs1;
|
||
}
|
||
#else /* no yyoverflow */
|
||
# ifndef YYSTACK_RELOCATE
|
||
goto yyoverflowlab;
|
||
# else
|
||
/* Extend the stack our own way. */
|
||
if (yystacksize >= YYMAXDEPTH)
|
||
goto yyoverflowlab;
|
||
yystacksize *= 2;
|
||
if (yystacksize > YYMAXDEPTH)
|
||
yystacksize = YYMAXDEPTH;
|
||
|
||
{
|
||
short *yyss1 = yyss;
|
||
union yyalloc *yyptr =
|
||
(union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
|
||
if (! yyptr)
|
||
goto yyoverflowlab;
|
||
YYSTACK_RELOCATE (yyss);
|
||
YYSTACK_RELOCATE (yyvs);
|
||
# if YYLSP_NEEDED
|
||
YYSTACK_RELOCATE (yyls);
|
||
# endif
|
||
# undef YYSTACK_RELOCATE
|
||
if (yyss1 != yyssa)
|
||
YYSTACK_FREE (yyss1);
|
||
}
|
||
# endif
|
||
#endif /* no yyoverflow */
|
||
|
||
yyssp = yyss + yysize - 1;
|
||
yyvsp = yyvs + yysize - 1;
|
||
#if YYLSP_NEEDED
|
||
yylsp = yyls + yysize - 1;
|
||
#endif
|
||
|
||
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
|
||
(unsigned long int) yystacksize));
|
||
|
||
if (yyssp >= yyss + yystacksize - 1)
|
||
YYABORT;
|
||
}
|
||
|
||
YYDPRINTF ((stderr, "Entering state %d\n", yystate));
|
||
|
||
goto yybackup;
|
||
|
||
|
||
/*-----------.
|
||
| yybackup. |
|
||
`-----------*/
|
||
yybackup:
|
||
|
||
/* Do appropriate processing given the current state. */
|
||
/* Read a lookahead token if we need one and don't already have one. */
|
||
/* yyresume: */
|
||
|
||
/* First try to decide what to do without reference to lookahead token. */
|
||
|
||
yyn = yypact[yystate];
|
||
if (yyn == YYFLAG)
|
||
goto yydefault;
|
||
|
||
/* Not known => get a lookahead token if don't already have one. */
|
||
|
||
/* yychar is either YYEMPTY or YYEOF
|
||
or a valid token in external form. */
|
||
|
||
if (yychar == YYEMPTY)
|
||
{
|
||
YYDPRINTF ((stderr, "Reading a token: "));
|
||
yychar = YYLEX;
|
||
}
|
||
|
||
/* Convert token to internal form (in yychar1) for indexing tables with */
|
||
|
||
if (yychar <= 0) /* This means end of input. */
|
||
{
|
||
yychar1 = 0;
|
||
yychar = YYEOF; /* Don't call YYLEX any more */
|
||
|
||
YYDPRINTF ((stderr, "Now at end of input.\n"));
|
||
}
|
||
else
|
||
{
|
||
yychar1 = YYTRANSLATE (yychar);
|
||
|
||
#if YYDEBUG
|
||
/* We have to keep this `#if YYDEBUG', since we use variables
|
||
which are defined only if `YYDEBUG' is set. */
|
||
if (yydebug)
|
||
{
|
||
YYFPRINTF (stderr, "Next token is %d (%s",
|
||
yychar, yytname[yychar1]);
|
||
/* Give the individual parser a way to print the precise
|
||
meaning of a token, for further debugging info. */
|
||
# ifdef YYPRINT
|
||
YYPRINT (stderr, yychar, yylval);
|
||
# endif
|
||
YYFPRINTF (stderr, ")\n");
|
||
}
|
||
#endif
|
||
}
|
||
|
||
yyn += yychar1;
|
||
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
|
||
goto yydefault;
|
||
|
||
yyn = yytable[yyn];
|
||
|
||
/* yyn is what to do for this token type in this state.
|
||
Negative => reduce, -yyn is rule number.
|
||
Positive => shift, yyn is new state.
|
||
New state is final state => don't bother to shift,
|
||
just return success.
|
||
0, or most negative number => error. */
|
||
|
||
if (yyn < 0)
|
||
{
|
||
if (yyn == YYFLAG)
|
||
goto yyerrlab;
|
||
yyn = -yyn;
|
||
goto yyreduce;
|
||
}
|
||
else if (yyn == 0)
|
||
goto yyerrlab;
|
||
|
||
if (yyn == YYFINAL)
|
||
YYACCEPT;
|
||
|
||
/* Shift the lookahead token. */
|
||
YYDPRINTF ((stderr, "Shifting token %d (%s), ",
|
||
yychar, yytname[yychar1]));
|
||
|
||
/* Discard the token being shifted unless it is eof. */
|
||
if (yychar != YYEOF)
|
||
yychar = YYEMPTY;
|
||
|
||
*++yyvsp = yylval;
|
||
#if YYLSP_NEEDED
|
||
*++yylsp = yylloc;
|
||
#endif
|
||
|
||
/* Count tokens shifted since error; after three, turn off error
|
||
status. */
|
||
if (yyerrstatus)
|
||
yyerrstatus--;
|
||
|
||
yystate = yyn;
|
||
goto yynewstate;
|
||
|
||
|
||
/*-----------------------------------------------------------.
|
||
| yydefault -- do the default action for the current state. |
|
||
`-----------------------------------------------------------*/
|
||
yydefault:
|
||
yyn = yydefact[yystate];
|
||
if (yyn == 0)
|
||
goto yyerrlab;
|
||
goto yyreduce;
|
||
|
||
|
||
/*-----------------------------.
|
||
| yyreduce -- Do a reduction. |
|
||
`-----------------------------*/
|
||
yyreduce:
|
||
/* yyn is the number of a rule to reduce with. */
|
||
yylen = yyr2[yyn];
|
||
|
||
/* If YYLEN is nonzero, implement the default value of the action:
|
||
`$$ = $1'.
|
||
|
||
Otherwise, the following line sets YYVAL to the semantic value of
|
||
the lookahead token. This behavior is undocumented and Bison
|
||
users should not rely upon it. Assigning to YYVAL
|
||
unconditionally makes the parser a bit smaller, and it avoids a
|
||
GCC warning that YYVAL may be used uninitialized. */
|
||
yyval = yyvsp[1-yylen];
|
||
|
||
#if YYLSP_NEEDED
|
||
/* Similarly for the default location. Let the user run additional
|
||
commands if for instance locations are ranges. */
|
||
yyloc = yylsp[1-yylen];
|
||
YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
|
||
#endif
|
||
|
||
#if YYDEBUG
|
||
/* We have to keep this `#if YYDEBUG', since we use variables which
|
||
are defined only if `YYDEBUG' is set. */
|
||
if (yydebug)
|
||
{
|
||
int yyi;
|
||
|
||
YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
|
||
yyn, yyrline[yyn]);
|
||
|
||
/* Print the symbols being reduced, and their result. */
|
||
for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
|
||
YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
|
||
YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
|
||
}
|
||
#endif
|
||
|
||
switch (yyn) {
|
||
|
||
case 1:
|
||
#line 151 "plural.y"
|
||
{
|
||
if (yyvsp[0].exp == NULL)
|
||
YYABORT;
|
||
((struct parse_args *) arg)->res = yyvsp[0].exp;
|
||
}
|
||
break;
|
||
case 2:
|
||
#line 159 "plural.y"
|
||
{
|
||
yyval.exp = new_exp_3 (qmop, yyvsp[-4].exp, yyvsp[-2].exp, yyvsp[0].exp);
|
||
}
|
||
break;
|
||
case 3:
|
||
#line 163 "plural.y"
|
||
{
|
||
yyval.exp = new_exp_2 (lor, yyvsp[-2].exp, yyvsp[0].exp);
|
||
}
|
||
break;
|
||
case 4:
|
||
#line 167 "plural.y"
|
||
{
|
||
yyval.exp = new_exp_2 (land, yyvsp[-2].exp, yyvsp[0].exp);
|
||
}
|
||
break;
|
||
case 5:
|
||
#line 171 "plural.y"
|
||
{
|
||
yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
|
||
}
|
||
break;
|
||
case 6:
|
||
#line 175 "plural.y"
|
||
{
|
||
yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
|
||
}
|
||
break;
|
||
case 7:
|
||
#line 179 "plural.y"
|
||
{
|
||
yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
|
||
}
|
||
break;
|
||
case 8:
|
||
#line 183 "plural.y"
|
||
{
|
||
yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
|
||
}
|
||
break;
|
||
case 9:
|
||
#line 187 "plural.y"
|
||
{
|
||
yyval.exp = new_exp_1 (lnot, yyvsp[0].exp);
|
||
}
|
||
break;
|
||
case 10:
|
||
#line 191 "plural.y"
|
||
{
|
||
yyval.exp = new_exp_0 (var);
|
||
}
|
||
break;
|
||
case 11:
|
||
#line 195 "plural.y"
|
||
{
|
||
if ((yyval.exp = new_exp_0 (num)) != NULL)
|
||
yyval.exp->val.num = yyvsp[0].num;
|
||
}
|
||
break;
|
||
case 12:
|
||
#line 200 "plural.y"
|
||
{
|
||
yyval.exp = yyvsp[-1].exp;
|
||
}
|
||
break;
|
||
}
|
||
|
||
#line 705 "/home/haible/gnu/arch/linuxlibc6/share/bison/bison.simple"
|
||
|
||
|
||
yyvsp -= yylen;
|
||
yyssp -= yylen;
|
||
#if YYLSP_NEEDED
|
||
yylsp -= yylen;
|
||
#endif
|
||
|
||
#if YYDEBUG
|
||
if (yydebug)
|
||
{
|
||
short *yyssp1 = yyss - 1;
|
||
YYFPRINTF (stderr, "state stack now");
|
||
while (yyssp1 != yyssp)
|
||
YYFPRINTF (stderr, " %d", *++yyssp1);
|
||
YYFPRINTF (stderr, "\n");
|
||
}
|
||
#endif
|
||
|
||
*++yyvsp = yyval;
|
||
#if YYLSP_NEEDED
|
||
*++yylsp = yyloc;
|
||
#endif
|
||
|
||
/* Now `shift' the result of the reduction. Determine what state
|
||
that goes to, based on the state we popped back to and the rule
|
||
number reduced by. */
|
||
|
||
yyn = yyr1[yyn];
|
||
|
||
yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
|
||
if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
|
||
yystate = yytable[yystate];
|
||
else
|
||
yystate = yydefgoto[yyn - YYNTBASE];
|
||
|
||
goto yynewstate;
|
||
|
||
|
||
/*------------------------------------.
|
||
| yyerrlab -- here on detecting error |
|
||
`------------------------------------*/
|
||
yyerrlab:
|
||
/* If not already recovering from an error, report this error. */
|
||
if (!yyerrstatus)
|
||
{
|
||
++yynerrs;
|
||
|
||
#ifdef YYERROR_VERBOSE
|
||
yyn = yypact[yystate];
|
||
|
||
if (yyn > YYFLAG && yyn < YYLAST)
|
||
{
|
||
YYSIZE_T yysize = 0;
|
||
char *yymsg;
|
||
int yyx, yycount;
|
||
|
||
yycount = 0;
|
||
/* Start YYX at -YYN if negative to avoid negative indexes in
|
||
YYCHECK. */
|
||
for (yyx = yyn < 0 ? -yyn : 0;
|
||
yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
|
||
if (yycheck[yyx + yyn] == yyx)
|
||
yysize += yystrlen (yytname[yyx]) + 15, yycount++;
|
||
yysize += yystrlen ("parse error, unexpected ") + 1;
|
||
yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
|
||
yymsg = (char *) YYSTACK_ALLOC (yysize);
|
||
if (yymsg != 0)
|
||
{
|
||
char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
|
||
yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);
|
||
|
||
if (yycount < 5)
|
||
{
|
||
yycount = 0;
|
||
for (yyx = yyn < 0 ? -yyn : 0;
|
||
yyx < (int) (sizeof (yytname) / sizeof (char *));
|
||
yyx++)
|
||
if (yycheck[yyx + yyn] == yyx)
|
||
{
|
||
const char *yyq = ! yycount ? ", expecting " : " or ";
|
||
yyp = yystpcpy (yyp, yyq);
|
||
yyp = yystpcpy (yyp, yytname[yyx]);
|
||
yycount++;
|
||
}
|
||
}
|
||
yyerror (yymsg);
|
||
YYSTACK_FREE (yymsg);
|
||
}
|
||
else
|
||
yyerror ("parse error; also virtual memory exhausted");
|
||
}
|
||
else
|
||
#endif /* defined (YYERROR_VERBOSE) */
|
||
yyerror ("parse error");
|
||
}
|
||
goto yyerrlab1;
|
||
|
||
|
||
/*--------------------------------------------------.
|
||
| yyerrlab1 -- error raised explicitly by an action |
|
||
`--------------------------------------------------*/
|
||
yyerrlab1:
|
||
if (yyerrstatus == 3)
|
||
{
|
||
/* If just tried and failed to reuse lookahead token after an
|
||
error, discard it. */
|
||
|
||
/* return failure if at end of input */
|
||
if (yychar == YYEOF)
|
||
YYABORT;
|
||
YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
|
||
yychar, yytname[yychar1]));
|
||
yychar = YYEMPTY;
|
||
}
|
||
|
||
/* Else will try to reuse lookahead token after shifting the error
|
||
token. */
|
||
|
||
yyerrstatus = 3; /* Each real token shifted decrements this */
|
||
|
||
goto yyerrhandle;
|
||
|
||
|
||
/*-------------------------------------------------------------------.
|
||
| yyerrdefault -- current state does not do anything special for the |
|
||
| error token. |
|
||
`-------------------------------------------------------------------*/
|
||
yyerrdefault:
|
||
#if 0
|
||
/* This is wrong; only states that explicitly want error tokens
|
||
should shift them. */
|
||
|
||
/* If its default is to accept any token, ok. Otherwise pop it. */
|
||
yyn = yydefact[yystate];
|
||
if (yyn)
|
||
goto yydefault;
|
||
#endif
|
||
|
||
|
||
/*---------------------------------------------------------------.
|
||
| yyerrpop -- pop the current state because it cannot handle the |
|
||
| error token |
|
||
`---------------------------------------------------------------*/
|
||
yyerrpop:
|
||
if (yyssp == yyss)
|
||
YYABORT;
|
||
yyvsp--;
|
||
yystate = *--yyssp;
|
||
#if YYLSP_NEEDED
|
||
yylsp--;
|
||
#endif
|
||
|
||
#if YYDEBUG
|
||
if (yydebug)
|
||
{
|
||
short *yyssp1 = yyss - 1;
|
||
YYFPRINTF (stderr, "Error: state stack now");
|
||
while (yyssp1 != yyssp)
|
||
YYFPRINTF (stderr, " %d", *++yyssp1);
|
||
YYFPRINTF (stderr, "\n");
|
||
}
|
||
#endif
|
||
|
||
/*--------------.
|
||
| yyerrhandle. |
|
||
`--------------*/
|
||
yyerrhandle:
|
||
yyn = yypact[yystate];
|
||
if (yyn == YYFLAG)
|
||
goto yyerrdefault;
|
||
|
||
yyn += YYTERROR;
|
||
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
|
||
goto yyerrdefault;
|
||
|
||
yyn = yytable[yyn];
|
||
if (yyn < 0)
|
||
{
|
||
if (yyn == YYFLAG)
|
||
goto yyerrpop;
|
||
yyn = -yyn;
|
||
goto yyreduce;
|
||
}
|
||
else if (yyn == 0)
|
||
goto yyerrpop;
|
||
|
||
if (yyn == YYFINAL)
|
||
YYACCEPT;
|
||
|
||
YYDPRINTF ((stderr, "Shifting error token, "));
|
||
|
||
*++yyvsp = yylval;
|
||
#if YYLSP_NEEDED
|
||
*++yylsp = yylloc;
|
||
#endif
|
||
|
||
yystate = yyn;
|
||
goto yynewstate;
|
||
|
||
|
||
/*-------------------------------------.
|
||
| yyacceptlab -- YYACCEPT comes here. |
|
||
`-------------------------------------*/
|
||
yyacceptlab:
|
||
yyresult = 0;
|
||
goto yyreturn;
|
||
|
||
/*-----------------------------------.
|
||
| yyabortlab -- YYABORT comes here. |
|
||
`-----------------------------------*/
|
||
yyabortlab:
|
||
yyresult = 1;
|
||
goto yyreturn;
|
||
|
||
/*---------------------------------------------.
|
||
| yyoverflowab -- parser overflow comes here. |
|
||
`---------------------------------------------*/
|
||
yyoverflowlab:
|
||
yyerror ("parser stack overflow");
|
||
yyresult = 2;
|
||
/* Fall through. */
|
||
|
||
yyreturn:
|
||
#ifndef yyoverflow
|
||
if (yyss != yyssa)
|
||
YYSTACK_FREE (yyss);
|
||
#endif
|
||
return yyresult;
|
||
}
|
||
#line 205 "plural.y"
|
||
|
||
|
||
void
|
||
internal_function
|
||
FREE_EXPRESSION (struct expression *exp)
|
||
{
|
||
if (exp == NULL)
|
||
return;
|
||
|
||
/* Handle the recursive case. */
|
||
switch (exp->nargs)
|
||
{
|
||
case 3:
|
||
FREE_EXPRESSION (exp->val.args[2]);
|
||
/* FALLTHROUGH */
|
||
case 2:
|
||
FREE_EXPRESSION (exp->val.args[1]);
|
||
/* FALLTHROUGH */
|
||
case 1:
|
||
FREE_EXPRESSION (exp->val.args[0]);
|
||
/* FALLTHROUGH */
|
||
default:
|
||
break;
|
||
}
|
||
|
||
free (exp);
|
||
}
|
||
|
||
|
||
static int
|
||
yylex (YYSTYPE *lval, const char **pexp)
|
||
{
|
||
const char *exp = *pexp;
|
||
int result;
|
||
|
||
while (1)
|
||
{
|
||
if (exp[0] == '\0')
|
||
{
|
||
*pexp = exp;
|
||
return YYEOF;
|
||
}
|
||
|
||
if (exp[0] != ' ' && exp[0] != '\t')
|
||
break;
|
||
|
||
++exp;
|
||
}
|
||
|
||
result = *exp++;
|
||
switch (result)
|
||
{
|
||
case '0': case '1': case '2': case '3': case '4':
|
||
case '5': case '6': case '7': case '8': case '9':
|
||
{
|
||
unsigned long int n = result - '0';
|
||
while (exp[0] >= '0' && exp[0] <= '9')
|
||
{
|
||
n *= 10;
|
||
n += exp[0] - '0';
|
||
++exp;
|
||
}
|
||
lval->num = n;
|
||
result = NUMBER;
|
||
}
|
||
break;
|
||
|
||
case '=':
|
||
if (exp[0] == '=')
|
||
{
|
||
++exp;
|
||
lval->op = equal;
|
||
result = EQUOP2;
|
||
}
|
||
else
|
||
result = YYERRCODE;
|
||
break;
|
||
|
||
case '!':
|
||
if (exp[0] == '=')
|
||
{
|
||
++exp;
|
||
lval->op = not_equal;
|
||
result = EQUOP2;
|
||
}
|
||
break;
|
||
|
||
case '&':
|
||
case '|':
|
||
if (exp[0] == result)
|
||
++exp;
|
||
else
|
||
result = YYERRCODE;
|
||
break;
|
||
|
||
case '<':
|
||
if (exp[0] == '=')
|
||
{
|
||
++exp;
|
||
lval->op = less_or_equal;
|
||
}
|
||
else
|
||
lval->op = less_than;
|
||
result = CMPOP2;
|
||
break;
|
||
|
||
case '>':
|
||
if (exp[0] == '=')
|
||
{
|
||
++exp;
|
||
lval->op = greater_or_equal;
|
||
}
|
||
else
|
||
lval->op = greater_than;
|
||
result = CMPOP2;
|
||
break;
|
||
|
||
case '*':
|
||
lval->op = mult;
|
||
result = MULOP2;
|
||
break;
|
||
|
||
case '/':
|
||
lval->op = divide;
|
||
result = MULOP2;
|
||
break;
|
||
|
||
case '%':
|
||
lval->op = module;
|
||
result = MULOP2;
|
||
break;
|
||
|
||
case '+':
|
||
lval->op = plus;
|
||
result = ADDOP2;
|
||
break;
|
||
|
||
case '-':
|
||
lval->op = minus;
|
||
result = ADDOP2;
|
||
break;
|
||
|
||
case 'n':
|
||
case '?':
|
||
case ':':
|
||
case '(':
|
||
case ')':
|
||
/* Nothing, just return the character. */
|
||
break;
|
||
|
||
case ';':
|
||
case '\n':
|
||
case '\0':
|
||
/* Be safe and let the user call this function again. */
|
||
--exp;
|
||
result = YYEOF;
|
||
break;
|
||
|
||
default:
|
||
result = YYERRCODE;
|
||
#if YYDEBUG != 0
|
||
--exp;
|
||
#endif
|
||
break;
|
||
}
|
||
|
||
*pexp = exp;
|
||
|
||
return result;
|
||
}
|
||
|
||
|
||
static void
|
||
yyerror (const char *str)
|
||
{
|
||
/* Do nothing. We don't print error messages here. */
|
||
}
|