/* A Bison parser, made by GNU Bison 3.3.2.  */

/* Bison implementation for Yacc-like parsers in C

   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2019 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.  */

/* As a special exception, you may create a larger work that contains

   part or all of the Bison parser skeleton and distribute that work

   under terms of your choice, so long as that work isn't itself a

   parser generator using the skeleton or a modified version thereof

   as a parser skeleton.  Alternatively, if you modify or redistribute

   the parser skeleton itself, you may (at your option) remove this

   special exception, which will cause the skeleton and the resulting

   Bison output files to be licensed under the GNU General Public

   License without this special exception.

   This special exception was added by the Free Software Foundation in

   version 2.2 of Bison.  */

/* C LALR(1) parser skeleton written by Richard Stallman, by

   simplifying the original so-called "semantic" parser.  */

/* 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.  */

/* Undocumented macros, especially those whose name start with YY_,

   are private implementation details.  Do not rely on them.  */

/* Identify Bison output.  */

#define YYBISON 1

/* Bison version.  */

#define YYBISON_VERSION "3.3.2"

/* Skeleton name.  */

#define YYSKELETON_NAME "yacc.c"

/* Pure parsers.  */

#define YYPURE 0

/* Push parsers.  */

#define YYPUSH 0

/* Pull parsers.  */

#define YYPULL 1

/* Substitute the variable and function names.  */

#define yyparse         i386_parse

#define yylex           i386_lex

#define yyerror         i386_error

#define yydebug         i386_debug

#define yynerrs         i386_nerrs

#define yylval          i386_lval

#define yychar          i386_char

/* First part of user prologue.  */

#line 1 "i386_parse.y" /* yacc.c:337  */

/* Parser for i386 CPU description.

   Copyright (C) 2004, 2005, 2007, 2008, 2009 Red Hat, Inc.

   Written by Ulrich Drepper <drepper@redhat.com>, 2004.

   This file is free software; you can redistribute it and/or modify

   it under the terms of either

     * the GNU Lesser General Public License as published by the Free

       Software Foundation; either version 3 of the License, or (at

       your option) any later version

   or

     * the GNU General Public License as published by the Free

       Software Foundation; either version 2 of the License, or (at

       your option) any later version

   or both in parallel, as here.

   elfutils 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 copies of the GNU General Public License and

   the GNU Lesser General Public License along with this program.  If

   not, see <http://www.gnu.org/licenses/>.  */

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <assert.h>

#include <ctype.h>

#include <errno.h>

#include <inttypes.h>

#include <libintl.h>

#include <math.h>

#include <obstack.h>

#include <search.h>

#include <stdbool.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <libeu.h>

#include <system.h>

#define obstack_chunk_alloc xmalloc

#define obstack_chunk_free free

/* The error handler.  */

static void yyerror (const char *s);

extern int yylex (void);

extern int i386_lineno;

extern char *infname;

struct known_bitfield

{

  char *name;

  unsigned long int bits;

  int tmp;

};

struct bitvalue

{

  enum bittype { zeroone, field, failure } type;

  union

  {

    unsigned int value;

    struct known_bitfield *field;

  };

  struct bitvalue *next;

};

struct argname

{

  enum nametype { string, nfield } type;

  union

  {

    char *str;

    struct known_bitfield *field;

  };

  struct argname *next;

};

struct argument

{

  struct argname *name;

  struct argument *next;

};

struct instruction

{

  /* The byte encoding.  */

  struct bitvalue *bytes;

  /* Prefix possible.  */

  int repe;

  int rep;

  /* Mnemonic.  */

  char *mnemonic;

  /* Suffix.  */

  enum { suffix_none = 0, suffix_w, suffix_w0, suffix_W, suffix_tttn,

	 suffix_w1, suffix_W1, suffix_D } suffix;

  /* Flag set if modr/m is used.  */

  int modrm;

  /* Operands.  */

  struct operand

  {

    char *fct;

    char *str;

    int off1;

    int off2;

    int off3;

  } operands[3];

  struct instruction *next;

};

struct synonym

{

  char *from;

  char *to;

};

struct suffix

{

  char *name;

  int idx;

};

struct argstring

{

  char *str;

  int idx;

  int off;

};

static struct known_bitfield ax_reg =

  {

    .name = "ax", .bits = 0, .tmp = 0

  };

static struct known_bitfield dx_reg =

  {

    .name = "dx", .bits = 0, .tmp = 0

  };

static struct known_bitfield di_reg =

  {

    .name = "es_di", .bits = 0, .tmp = 0

  };

static struct known_bitfield si_reg =

  {

    .name = "ds_si", .bits = 0, .tmp = 0

  };

static struct known_bitfield bx_reg =

  {

    .name = "ds_bx", .bits = 0, .tmp = 0

  };

static int bitfield_compare (const void *p1, const void *p2);

static void new_bitfield (char *name, unsigned long int num);

static void check_bits (struct bitvalue *value);

static int check_duplicates (struct bitvalue *val);

static int check_argsdef (struct bitvalue *bitval, struct argument *args);

static int check_bitsused (struct bitvalue *bitval,

			   struct known_bitfield *suffix,

			   struct argument *args);

static struct argname *combine (struct argname *name);

static void fillin_arg (struct bitvalue *bytes, struct argname *name,

			struct instruction *instr, int n);

static void find_numbers (void);

static int compare_syn (const void *p1, const void *p2);

static int compare_suf (const void *p1, const void *p2);

static void instrtable_out (void);

#if 0

static void create_mnemonic_table (void);

#endif

static void *bitfields;

static struct instruction *instructions;

static size_t ninstructions;

static void *synonyms;

static void *suffixes;

static int nsuffixes;

static void *mnemonics;

size_t nmnemonics;

extern FILE *outfile;

/* Number of bits used mnemonics.  */

#if 0

static size_t best_mnemonic_bits;

#endif

#line 293 "i386_parse.c" /* yacc.c:337  */

# ifndef YY_NULLPTR

#  if defined __cplusplus

#   if 201103L <= __cplusplus

#    define YY_NULLPTR nullptr

#   else

#    define YY_NULLPTR 0

#   endif

#  else

#   define YY_NULLPTR ((void*)0)

#  endif

# endif

/* Enabling verbose error messages.  */

#ifdef YYERROR_VERBOSE

# undef YYERROR_VERBOSE

# define YYERROR_VERBOSE 1

#else

# define YYERROR_VERBOSE 0

#endif

/* In a future release of Bison, this section will be replaced

   by #include "y.tab.h".  */

#ifndef YY_I386_I_PARSE_H_INCLUDED

# define YY_I386_I_PARSE_H_INCLUDED

/* Debug traces.  */

#ifndef YYDEBUG

# define YYDEBUG 0

#endif

#if YYDEBUG

extern int i386_debug;

#endif

/* Token type.  */

#ifndef YYTOKENTYPE

# define YYTOKENTYPE

  enum yytokentype

  {

    kMASK = 258,

    kPREFIX = 259,

    kSUFFIX = 260,

    kSYNONYM = 261,

    kID = 262,

    kNUMBER = 263,

    kPERCPERC = 264,

    kBITFIELD = 265,

    kCHAR = 266,

    kSPACE = 267

  };

#endif

/* Tokens.  */

#define kMASK 258

#define kPREFIX 259

#define kSUFFIX 260

#define kSYNONYM 261

#define kID 262

#define kNUMBER 263

#define kPERCPERC 264

#define kBITFIELD 265

#define kCHAR 266

#define kSPACE 267

/* Value type.  */

#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED

union YYSTYPE

{

#line 216 "i386_parse.y" /* yacc.c:352  */

  unsigned long int num;

  char *str;

  char ch;

  struct known_bitfield *field;

  struct bitvalue *bit;

  struct argname *name;

  struct argument *arg;

#line 370 "i386_parse.c" /* yacc.c:352  */

};

typedef union YYSTYPE YYSTYPE;

# define YYSTYPE_IS_TRIVIAL 1

# define YYSTYPE_IS_DECLARED 1

#endif

extern YYSTYPE i386_lval;

int i386_parse (void);

#endif /* !YY_I386_I_PARSE_H_INCLUDED  */

#ifdef short

# undef short

#endif

#ifdef YYTYPE_UINT8

typedef YYTYPE_UINT8 yytype_uint8;

#else

typedef unsigned char yytype_uint8;

#endif

#ifdef YYTYPE_INT8

typedef YYTYPE_INT8 yytype_int8;

#else

typedef signed char yytype_int8;

#endif

#ifdef YYTYPE_UINT16

typedef YYTYPE_UINT16 yytype_uint16;

#else

typedef unsigned short yytype_uint16;

#endif

#ifdef YYTYPE_INT16

typedef YYTYPE_INT16 yytype_int16;

#else

typedef short yytype_int16;

#endif

#ifndef YYSIZE_T

# ifdef __SIZE_TYPE__

#  define YYSIZE_T __SIZE_TYPE__

# elif defined size_t

#  define YYSIZE_T size_t

# elif ! defined YYSIZE_T

#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */

#  define YYSIZE_T size_t

# else

#  define YYSIZE_T unsigned

# endif

#endif

#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)

#ifndef YY_

# if defined YYENABLE_NLS && YYENABLE_NLS

#  if ENABLE_NLS

#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */

#   define YY_(Msgid) dgettext ("bison-runtime", Msgid)

#  endif

# endif

# ifndef YY_

#  define YY_(Msgid) Msgid

# endif

#endif

#ifndef YY_ATTRIBUTE

# if (defined __GNUC__                                               \

      && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__)))  \

     || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C

#  define YY_ATTRIBUTE(Spec) __attribute__(Spec)

# else

#  define YY_ATTRIBUTE(Spec) /* empty */

# endif

#endif

#ifndef YY_ATTRIBUTE_PURE

# define YY_ATTRIBUTE_PURE   YY_ATTRIBUTE ((__pure__))

#endif

#ifndef YY_ATTRIBUTE_UNUSED

# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__))

#endif

/* Suppress unused-variable warnings by "using" E.  */

#if ! defined lint || defined __GNUC__

# define YYUSE(E) ((void) (E))

#else

# define YYUSE(E) /* empty */

#endif

#if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__

/* Suppress an incorrect diagnostic about yylval being uninitialized.  */

# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \

    _Pragma ("GCC diagnostic push") \

    _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\

    _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")

# define YY_IGNORE_MAYBE_UNINITIALIZED_END \

    _Pragma ("GCC diagnostic pop")

#else

# define YY_INITIAL_VALUE(Value) Value

#endif

#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN

# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN

# define YY_IGNORE_MAYBE_UNINITIALIZED_END

#endif

#ifndef YY_INITIAL_VALUE

# define YY_INITIAL_VALUE(Value) /* Nothing. */

#endif

#if ! defined yyoverflow || YYERROR_VERBOSE

/* The parser invokes alloca or malloc; define the necessary symbols.  */

# ifdef YYSTACK_USE_ALLOCA

#  if YYSTACK_USE_ALLOCA

#   ifdef __GNUC__

#    define YYSTACK_ALLOC __builtin_alloca

#   elif defined __BUILTIN_VA_ARG_INCR

#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */

#   elif defined _AIX

#    define YYSTACK_ALLOC __alloca

#   elif defined _MSC_VER

#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */

#    define alloca _alloca

#   else

#    define YYSTACK_ALLOC alloca

#    if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS

#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */

      /* Use EXIT_SUCCESS as a witness for stdlib.h.  */

#     ifndef EXIT_SUCCESS

#      define EXIT_SUCCESS 0

#     endif

#    endif

#   endif

#  endif

# endif

# ifdef YYSTACK_ALLOC

   /* Pacify GCC's 'empty if-body' warning.  */

#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)

#  ifndef YYSTACK_ALLOC_MAXIMUM

    /* The OS might guarantee only one guard page at the bottom of the stack,

       and a page size can be as small as 4096 bytes.  So we cannot safely

       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number

       to allow for a few compiler-allocated temporary stack slots.  */

#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */

#  endif

# else

#  define YYSTACK_ALLOC YYMALLOC

#  define YYSTACK_FREE YYFREE

#  ifndef YYSTACK_ALLOC_MAXIMUM

#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM

#  endif

#  if (defined __cplusplus && ! defined EXIT_SUCCESS \

       && ! ((defined YYMALLOC || defined malloc) \

             && (defined YYFREE || defined free)))

#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */

#   ifndef EXIT_SUCCESS

#    define EXIT_SUCCESS 0

#   endif

#  endif

#  ifndef YYMALLOC

#   define YYMALLOC malloc

#   if ! defined malloc && ! defined EXIT_SUCCESS

void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */

#   endif

#  endif

#  ifndef YYFREE

#   define YYFREE free

#   if ! defined free && ! defined EXIT_SUCCESS

void free (void *); /* INFRINGES ON USER NAME SPACE */

#   endif

#  endif

# endif

#endif /* ! defined yyoverflow || YYERROR_VERBOSE */

#if (! defined yyoverflow \

     && (! defined __cplusplus \

         || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))

/* A type that is properly aligned for any stack member.  */

union yyalloc

{

  yytype_int16 yyss_alloc;

  YYSTYPE yyvs_alloc;

};

/* The size of the maximum gap between one aligned stack and the next.  */

# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)

/* The size of an array large to enough to hold all stacks, each with

   N elements.  */

# define YYSTACK_BYTES(N) \

     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \

      + YYSTACK_GAP_MAXIMUM)

# define YYCOPY_NEEDED 1

/* 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_alloc, Stack)                           \

    do                                                                  \

      {                                                                 \

        YYSIZE_T yynewbytes;                                            \

        YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \

        Stack = &yyptr->Stack_alloc;                                    \

        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \

        yyptr += yynewbytes / sizeof (*yyptr);                          \

      }                                                                 \

    while (0)

#endif

#if defined YYCOPY_NEEDED && YYCOPY_NEEDED

/* Copy COUNT objects from SRC to DST.  The source and destination do

   not overlap.  */

# ifndef YYCOPY

#  if defined __GNUC__ && 1 < __GNUC__

#   define YYCOPY(Dst, Src, Count) \

      __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))

#  else

#   define YYCOPY(Dst, Src, Count)              \

      do                                        \

        {                                       \

          YYSIZE_T yyi;                         \

          for (yyi = 0; yyi < (Count); yyi++)   \

            (Dst)[yyi] = (Src)[yyi];            \

        }                                       \

      while (0)

#  endif

# endif

#endif /* !YYCOPY_NEEDED */

/* YYFINAL -- State number of the termination state.  */

#define YYFINAL  12

/* YYLAST -- Last index in YYTABLE.  */

#define YYLAST   37

/* YYNTOKENS -- Number of terminals.  */

#define YYNTOKENS  18

/* YYNNTS -- Number of nonterminals.  */

#define YYNNTS  14

/* YYNRULES -- Number of rules.  */

#define YYNRULES  32

/* YYNSTATES -- Number of states.  */

#define YYNSTATES  49

#define YYUNDEFTOK  2

#define YYMAXUTOK   267

/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM

   as returned by yylex, with out-of-bounds checking.  */

#define YYTRANSLATE(YYX)                                                \

  ((unsigned) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)

/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM

   as returned by yylex.  */

static const yytype_uint8 yytranslate[] =

{

       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,

      13,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,    15,     2,     2,     2,    16,    17,

       2,     2,     2,     2,     2,     2,     2,     2,    14,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,

       2,     2,     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,     2,     3,     4,

       5,     6,     7,     8,     9,    10,    11,    12

};

#if YYDEBUG

  /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */

static const yytype_uint16 yyrline[] =

{

       0,   246,   246,   256,   257,   260,   262,   264,   266,   278,

     281,   282,   285,   368,   371,   387,   390,   400,   407,   415,

     419,   426,   433,   455,   458,   461,   471,   479,   487,   490,

     522,   531,   538

};

#endif

#if YYDEBUG || YYERROR_VERBOSE || 0

/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.

   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */

static const char *const yytname[] =

{

  "$end", "error", "$undefined", "kMASK", "kPREFIX", "kSUFFIX",

  "kSYNONYM", "kID", "kNUMBER", "kPERCPERC", "kBITFIELD", "kCHAR",

  "kSPACE", "'\\n'", "':'", "','", "'0'", "'1'", "$accept", "spec",

  "masks", "mask", "instrs", "instr", "bitfieldopt", "bytes", "byte",

  "bit", "optargs", "args", "arg", "argcomp", YY_NULLPTR

};

#endif

# ifdef YYPRINT

/* YYTOKNUM[NUM] -- (External) token number corresponding to the

   (internal) symbol number NUM (which must be that of a token).  */

static const yytype_uint16 yytoknum[] =

{

       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,

     265,   266,   267,    10,    58,    44,    48,    49

};

# endif

#define YYPACT_NINF -35

#define yypact_value_is_default(Yystate) \

  (!!((Yystate) == (-35)))

#define YYTABLE_NINF -1

#define yytable_value_is_error(Yytable_value) \

  0

  /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing

     STATE-NUM.  */

static const yytype_int8 yypact[] =

{

      12,     9,    10,    11,    13,    22,    -2,   -35,    16,   -35,

     -35,    15,   -35,    14,    12,   -35,   -35,    -4,   -35,   -35,

     -35,   -35,    17,   -35,   -12,    -4,   -35,    -4,    18,    -4,

     -35,   -35,   -35,    19,    -4,    18,    20,    -6,   -35,   -35,

     -35,   -35,   -35,    21,    -6,   -35,    -6,   -35,    -6

};

  /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.

     Performed when YYTABLE does not specify something else to do.  Zero

     means the default is an error.  */

static const yytype_uint8 yydefact[] =

{

       9,     0,     0,     0,     0,     0,     0,     4,     0,     6,

       7,     0,     1,     0,     9,     5,     8,    13,     3,    22,

      20,    21,     2,    11,     0,    17,    19,    13,    15,     0,

      18,    10,    14,     0,    16,    15,    24,     0,    12,    31,

      29,    30,    32,    23,    26,    28,     0,    27,    25

};

  /* YYPGOTO[NTERM-NUM].  */

static const yytype_int8 yypgoto[] =

{

     -35,   -35,   -35,    23,   -35,     2,    -1,   -35,     4,   -25,

     -35,   -35,   -15,   -34

};

  /* YYDEFGOTO[NTERM-NUM].  */

static const yytype_int8 yydefgoto[] =

{

      -1,     5,     6,     7,    22,    23,    33,    24,    25,    26,

      38,    43,    44,    45

};

  /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If

     positive, shift that token.  If negative, reduce the rule whose

     number is the opposite.  If YYTABLE_NINF, syntax error.  */

static const yytype_uint8 yytable[] =

{

      30,    39,    28,    29,    40,    41,    19,    13,    42,    30,

      47,    14,    20,    21,    47,     1,     2,     3,     4,     8,

       9,    10,    12,    11,    15,    16,    35,    17,    32,    31,

      27,    48,    37,    34,    36,     0,    46,    18

};

static const yytype_int8 yycheck[] =

{

      25,     7,    14,    15,    10,    11,    10,     9,    14,    34,

      44,    13,    16,    17,    48,     3,     4,     5,     6,    10,

      10,    10,     0,    10,     8,    10,     7,    13,    10,    27,

      13,    46,    12,    29,    35,    -1,    15,    14

};

  /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing

     symbol of state STATE-NUM.  */

static const yytype_uint8 yystos[] =

{

       0,     3,     4,     5,     6,    19,    20,    21,    10,    10,

      10,    10,     0,     9,    13,     8,    10,    13,    21,    10,

      16,    17,    22,    23,    25,    26,    27,    13,    14,    15,

      27,    23,    10,    24,    26,     7,    24,    12,    28,     7,

      10,    11,    14,    29,    30,    31,    15,    31,    30

};

  /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */

static const yytype_uint8 yyr1[] =

{

       0,    18,    19,    20,    20,    21,    21,    21,    21,    21,

      22,    22,    23,    23,    24,    24,    25,    25,    26,    26,

      27,    27,    27,    28,    28,    29,    29,    30,    30,    31,

      31,    31,    31

};

  /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.  */

static const yytype_uint8 yyr2[] =

{

       0,     2,     4,     3,     1,     3,     2,     2,     3,     0,

       3,     1,     6,     0,     1,     0,     3,     1,     2,     1,

       1,     1,     1,     2,     0,     3,     1,     2,     1,     1,

       1,     1,     1

};

#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 yyerrorlab

#define YYRECOVERING()  (!!yyerrstatus)

#define YYBACKUP(Token, Value)                                    \

  do                                                              \

    if (yychar == YYEMPTY)                                        \

      {                                                           \

        yychar = (Token);                                         \

        yylval = (Value);                                         \

        YYPOPSTACK (yylen);                                       \

        yystate = *yyssp;                                         \

        goto yybackup;                                            \

      }                                                           \

    else                                                          \

      {                                                           \

        yyerror (YY_("syntax error: cannot back up")); \

        YYERROR;                                                  \

      }                                                           \

  while (0)

/* Error token number */

#define YYTERROR        1

#define YYERRCODE       256

/* 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)

/* This macro is provided for backward compatibility. */

#ifndef YY_LOCATION_PRINT

# define YY_LOCATION_PRINT(File, Loc) ((void) 0)

#endif

# define YY_SYMBOL_PRINT(Title, Type, Value, Location)                    \

do {                                                                      \

  if (yydebug)                                                            \

    {                                                                     \

      YYFPRINTF (stderr, "%s ", Title);                                   \

      yy_symbol_print (stderr,                                            \

                  Type, Value); \

      YYFPRINTF (stderr, "\n");                                           \

    }                                                                     \

} while (0)

/*-----------------------------------.

| Print this symbol's value on YYO.  |

`-----------------------------------*/

static void

yy_symbol_value_print (FILE *yyo, int yytype, YYSTYPE const * const yyvaluep)

{

  FILE *yyoutput = yyo;

  YYUSE (yyoutput);

  if (!yyvaluep)

    return;

# ifdef YYPRINT

  if (yytype < YYNTOKENS)

    YYPRINT (yyo, yytoknum[yytype], *yyvaluep);

# endif