zconf.tab.c_shipped

busybox最新版的源码:学习和应用的好东东,多的不说了,大家看后再说吧

/* A Bison parser, made by GNU Bison 2.0.  */

/* Skeleton parser for Yacc-like parsing with Bison,
   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 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.  */

/* 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.  */

/* Identify Bison output.  */
#define YYBISON 1

/* Skeleton name.  */
#define YYSKELETON_NAME "yacc.c"

/* Pure parsers.  */
#define YYPURE 0

/* Using locations.  */
#define YYLSP_NEEDED 0

/* Substitute the variable and function names.  */
#define yyparse zconfparse
#define yylex   zconflex
#define yyerror zconferror
#define yylval  zconflval
#define yychar  zconfchar
#define yydebug zconfdebug
#define yynerrs zconfnerrs


/* Tokens.  */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
   /* Put the tokens into the symbol table, so that GDB and other debuggers
      know about them.  */
   enum yytokentype {
     T_MAINMENU = 258,
     T_MENU = 259,
     T_ENDMENU = 260,
     T_SOURCE = 261,
     T_CHOICE = 262,
     T_ENDCHOICE = 263,
     T_COMMENT = 264,
     T_CONFIG = 265,
     T_MENUCONFIG = 266,
     T_HELP = 267,
     T_HELPTEXT = 268,
     T_IF = 269,
     T_ENDIF = 270,
     T_DEPENDS = 271,
     T_REQUIRES = 272,
     T_OPTIONAL = 273,
     T_PROMPT = 274,
     T_TYPE = 275,
     T_DEFAULT = 276,
     T_SELECT = 277,
     T_RANGE = 278,
     T_ON = 279,
     T_WORD = 280,
     T_WORD_QUOTE = 281,
     T_UNEQUAL = 282,
     T_CLOSE_PAREN = 283,
     T_OPEN_PAREN = 284,
     T_EOL = 285,
     T_OR = 286,
     T_AND = 287,
     T_EQUAL = 288,
     T_NOT = 289
   };
#endif
#define T_MAINMENU 258
#define T_MENU 259
#define T_ENDMENU 260
#define T_SOURCE 261
#define T_CHOICE 262
#define T_ENDCHOICE 263
#define T_COMMENT 264
#define T_CONFIG 265
#define T_MENUCONFIG 266
#define T_HELP 267
#define T_HELPTEXT 268
#define T_IF 269
#define T_ENDIF 270
#define T_DEPENDS 271
#define T_REQUIRES 272
#define T_OPTIONAL 273
#define T_PROMPT 274
#define T_TYPE 275
#define T_DEFAULT 276
#define T_SELECT 277
#define T_RANGE 278
#define T_ON 279
#define T_WORD 280
#define T_WORD_QUOTE 281
#define T_UNEQUAL 282
#define T_CLOSE_PAREN 283
#define T_OPEN_PAREN 284
#define T_EOL 285
#define T_OR 286
#define T_AND 287
#define T_EQUAL 288
#define T_NOT 289




/* Copy the first part of user declarations.  */


/*
 * Copyright (C) 2002 Roman Zippel <[e-mail]>
 * Released under the terms of the GNU GPL v2.0.
 */

#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>

#define LKC_DIRECT_LINK
#include "lkc.h"

#include "zconf.hash.c"

#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)

#define PRINTD		0x0001
#define DEBUG_PARSE	0x0002

int cdebug = PRINTD;

extern int zconflex(void);
static void zconfprint(const char *err, ...);
static void zconf_error(const char *err, ...);
static void zconferror(const char *err);
static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken);

struct symbol *symbol_hash[257];

static struct menu *current_menu, *current_entry;

#define YYDEBUG 0
#if YYDEBUG
#define YYERROR_VERBOSE
#endif


/* Enabling traces.  */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif

/* Enabling verbose error messages.  */
#ifdef YYERROR_VERBOSE
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE 0
#endif

#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)

typedef union YYSTYPE {
	char *string;
	struct file *file;
	struct symbol *symbol;
	struct expr *expr;
	struct menu *menu;
	struct kconf_id *id;
} YYSTYPE;
/* Line 190 of yacc.c.  */

# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
#endif



/* Copy the second part of user declarations.  */


/* Line 213 of yacc.c.  */


#if ! defined (yyoverflow) || YYERROR_VERBOSE

# ifndef YYFREE
#  define YYFREE free
# endif
# ifndef YYMALLOC
#  define YYMALLOC malloc
# endif

/* 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
#   else
#    define YYSTACK_ALLOC alloca
#   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 YYMALLOC
#  define YYSTACK_FREE YYFREE
# 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
{
  short int yyss;
  YYSTYPE yyvs;
  };

/* 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 (short int) + sizeof (YYSTYPE))			\
      + YYSTACK_GAP_MAXIMUM)

/* Copy COUNT objects from FROM to TO.  The source and destination do
   not overlap.  */
# ifndef YYCOPY
#  if defined (__GNUC__) && 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_MAXIMUM; \
	yyptr += yynewbytes / sizeof (*yyptr);				\
      }									\
    while (0)

#endif

#if defined (__STDC__) || defined (__cplusplus)
   typedef signed char yysigned_char;
#else
   typedef short int yysigned_char;
#endif

/* YYFINAL -- State number of the termination state. */
#define YYFINAL  3
/* YYLAST -- Last index in YYTABLE.  */
#define YYLAST   264

/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS  35
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS  42
/* YYNRULES -- Number of rules. */
#define YYNRULES  104
/* YYNRULES -- Number of states. */
#define YYNSTATES  175

/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
#define YYUNDEFTOK  2
#define YYMAXUTOK   289

#define YYTRANSLATE(YYX) 						\
  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)

/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
static const unsigned 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,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     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,    13,    14,
      15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
      25,    26,    27,    28,    29,    30,    31,    32,    33,    34
};

#if YYDEBUG
/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
   YYRHS.  */
static const unsigned short int yyprhs[] =
{
       0,     0,     3,     5,     6,     9,    12,    15,    20,    23,
      28,    33,    37,    39,    41,    43,    45,    47,    49,    51,
      53,    55,    57,    59,    61,    63,    67,    70,    74,    77,
      81,    84,    85,    88,    91,    94,    97,   100,   104,   109,
     114,   119,   125,   128,   131,   133,   137,   138,   141,   144,
     147,   150,   153,   158,   162,   165,   170,   171,   174,   178,
     180,   184,   185,   188,   191,   194,   198,   201,   203,   207,
     208,   211,   214,   217,   221,   225,   228,   231,   234,   235,
     238,   241,   244,   249,   253,   257,   258,   261,   263,   265,
     268,   271,   274,   276,   279,   280,   283,   285,   289,   293,
     297,   300,   304,   308,   310
};

/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const yysigned_char yyrhs[] =
{
      36,     0,    -1,    37,    -1,    -1,    37,    39,    -1,    37,
      50,    -1,    37,    61,    -1,    37,     3,    71,    73,    -1,
      37,    72,    -1,    37,    25,     1,    30,    -1,    37,    38,
       1,    30,    -1,    37,     1,    30,    -1,    16,    -1,    19,
      -1,    20,    -1,    22,    -1,    18,    -1,    23,    -1,    21,
      -1,    30,    -1,    56,    -1,    65,    -1,    42,    -1,    44,
      -1,    63,    -1,    25,     1,    30,    -1,     1,    30,    -1,
      10,    25,    30,    -1,    41,    45,    -1,    11,    25,    30,
      -1,    43,    45,    -1,    -1,    45,    46,    -1,    45,    69,
      -1,    45,    67,    -1,    45,    40,    -1,    45,    30,    -1,
      20,    70,    30,    -1,    19,    71,    74,    30,    -1,    21,
      75,    74,    30,    -1,    22,    25,    74,    30,    -1,    23,
      76,    76,    74,    30,    -1,     7,    30,    -1,    47,    51,
      -1,    72,    -1,    48,    53,    49,    -1,    -1,    51,    52,
      -1,    51,    69,    -1,    51,    67,    -1,    51,    30,    -1,
      51,    40,    -1,    19,    71,    74,    30,    -1,    20,    70,
      30,    -1,    18,    30,    -1,    21,    25,    74,    30,    -1,
      -1,    53,    39,    -1,    14,    75,    73,    -1,    72,    -1,
      54,    57,    55,    -1,    -1,    57,    39,    -1,    57,    61,
      -1,    57,    50,    -1,     4,    71,    30,    -1,    58,    68,
      -1,    72,    -1,    59,    62,    60,    -1,    -1,    62,    39,
      -1,    62,    61,    -1,    62,    50,    -1,     6,    71,    30,
      -1,     9,    71,    30,    -1,    64,    68,    -1,    12,    30,
      -1,    66,    13,    -1,    -1,    68,    69,    -1,    68,    30,
      -1,    68,    40,    -1,    16,    24,    75,    30,    -1,    16,
      75,    30,    -1,    17,    75,    30,    -1,    -1,    71,    74,
      -1,    25,    -1,    26,    -1,     5,    30,    -1,     8,    30,
      -1,    15,    30,    -1,    30,    -1,    73,    30,    -1,    -1,
      14,    75,    -1,    76,    -1,    76,    33,    76,    -1,    76,
      27,    76,    -1,    29,    75,    28,    -1,    34,    75,    -1,
      75,    31,    75,    -1,    75,    32,    75,    -1,    25,    -1,
      26,    -1
};

/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
static const unsigned short int yyrline[] =
{
       0,   103,   103,   105,   107,   108,   109,   110,   111,   112,
     113,   117,   121,   121,   121,   121,   121,   121,   121,   125,
     126,   127,   128,   129,   130,   134,   135,   141,   149,   155,
     163,   173,   175,   176,   177,   178,   179,   182,   190,   196,
     206,   212,   220,   229,   234,   242,   245,   247,   248,   249,
     250,   251,   254,   260,   271,   277,   287,   289,   294,   302,
     310,   313,   315,   316,   317,   322,   329,   334,   342,   345,
     347,   348,   349,   352,   360,   367,   374,   380,   387,   389,
     390,   391,   394,   399,   404,   412,   414,   419,   420,   423,
     424,   425,   429,   430,   433,   434,   437,   438,   439,   440,
     441,   442,   443,   446,   447
};
#endif

#if YYDEBUG || YYERROR_VERBOSE
/* YYTNME[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", "T_MAINMENU", "T_MENU", "T_ENDMENU",
  "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG",
  "T_MENUCONFIG", "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS",
  "T_REQUIRES", "T_OPTIONAL", "T_PROMPT", "T_TYPE", "T_DEFAULT",
  "T_SELECT", "T_RANGE", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
  "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_EOL", "T_OR", "T_AND", "T_EQUAL",
  "T_NOT", "$accept", "input", "stmt_list", "option_name", "common_stmt",
  "option_error", "config_entry_start", "config_stmt",
  "menuconfig_entry_start", "menuconfig_stmt", "config_option_list",
  "config_option", "choice", "choice_entry", "choice_end", "choice_stmt",
  "choice_option_list", "choice_option", "choice_block", "if_entry",
  "if_end", "if_stmt", "if_block", "menu", "menu_entry", "menu_end",
  "menu_stmt", "menu_block", "source_stmt", "comment", "comment_stmt",
  "help_start", "help", "depends_list", "depends", "prompt_stmt_opt",
  "prompt", "end", "nl", "if_expr", "expr", "symbol", 0
};
#endif

# ifdef YYPRINT
/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
   token YYLEX-NUM.  */
static const unsigned short int yytoknum[] =
{
       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
     275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
     285,   286,   287,   288,   289
};
# endif

/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
static const unsigned char yyr1[] =
{
       0,    35,    36,    37,    37,    37,    37,    37,    37,    37,
      37,    37,    38,    38,    38,    38,    38,    38,    38,    39,
      39,    39,    39,    39,    39,    40,    40,    41,    42,    43,
      44,    45,    45,    45,    45,    45,    45,    46,    46,    46,
      46,    46,    47,    48,    49,    50,    51,    51,    51,    51,
      51,    51,    52,    52,    52,    52,    53,    53,    54,    55,
      56,    57,    57,    57,    57,    58,    59,    60,    61,    62,
      62,    62,    62,    63,    64,    65,    66,    67,    68,    68,
      68,    68,    69,    69,    69,    70,    70,    71,    71,    72,
      72,    72,    73,    73,    74,    74,    75,    75,    75,    75,
      75,    75,    75,    76,    76
};

/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
static const unsigned char yyr2[] =
{
       0,     2,     1,     0,     2,     2,     2,     4,     2,     4,
       4,     3,     1,     1,     1,     1,     1,     1,     1,     1,
       1,     1,     1,     1,     1,     3,     2,     3,     2,     3,
       2,     0,     2,     2,     2,     2,     2,     3,     4,     4,
       4,     5,     2,     2,     1,     3,     0,     2,     2,     2,
       2,     2,     4,     3,     2,     4,     0,     2,     3,     1,
       3,     0,     2,     2,     2,     3,     2,     1,     3,     0,
       2,     2,     2,     3,     3,     2,     2,     2,     0,     2,
       2,     2,     4,     3,     3,     0,     2,     1,     1,     2,
       2,     2,     1,     2,     0,     2,     1,     3,     3,     3,
       2,     3,     3,     1,     1
};

/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
   means the default is an error.  */
static const unsigned char yydefact[] =
{
       3,     0,     0,     1,     0,     0,     0,     0,     0,     0,
       0,     0,     0,     0,     0,     0,    12,    16,    13,    14,
      18,    15,    17,     0,    19,     0,     4,    31,    22,    31,
      23,    46,    56,     5,    61,    20,    78,    69,     6,    24,
      78,    21,     8,    11,    87,    88,     0,     0,    89,     0,
      42,    90,     0,     0,     0,   103,   104,     0,     0,     0,
      96,    91,     0,     0,     0,     0,     0,     0,     0,     0,
       0,     0,    92,     7,    65,    73,    74,    27,    29,     0,
     100,     0,     0,    58,     0,     0,     9,    10,     0,     0,
       0,     0,     0,    85,     0,     0,     0,     0,    36,    35,
      32,     0,    34,    33,     0,     0,    85,     0,    50,    51,
      47,    49,    48,    57,    45,    44,    62,    64,    60,    63,
      59,    80,    81,    79,    70,    72,    68,    71,    67,    93,
      99,   101,   102,    98,    97,    26,    76,     0,     0,     0,
      94,     0,    94,    94,    94,     0,     0,    77,    54,    94,
       0,    94,     0,    83,    84,     0,     0,    37,    86,     0,
       0,    94,    25,     0,    53,     0,    82,    95,    38,    39,
      40,     0,    52,    55,    41
};

/* YYDEFGOTO[NTERM-NUM]. */
static const short int yydefgoto[] =
{
      -1,     1,     2,    25,    26,    99,    27,    28,    29,    30,
      64,   100,    31,    32,   114,    33,    66,   110,    67,    34,
     118,    35,    68,    36,    37,   126,    38,    70,    39,    40,
      41,   101,   102,    69,   103,   141,   142,    42,    73,   156,
      59,    60
};

/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
   STATE-NUM.  */
#define YYPACT_NINF -78
static const short int yypact[] =