/* 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