slp_attr_y.c

SLP协议在linux下的实现。此版本为1.2.1版。官方网站为www.openslp.org

/* A Bison parser, made by GNU Bison 1.875.  */

/* Skeleton parser for Yacc-like parsing with 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.  */

/* 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



/* Tokens.  */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
   /* Put the tokens into the symbol table, so that GDB and other debuggers
      know about them.  */
   enum yytokentype {
     _TRUE = 258,
     _FALSE = 259,
     _MULTIVAL = 260,
     _INT = 261,
     _ESCAPED = 262,
     _TAG = 263,
     _STRING = 264
   };
#endif
#define _TRUE 258
#define _FALSE 259
#define _MULTIVAL 260
#define _INT 261
#define _ESCAPED 262
#define _TAG 263
#define _STRING 264




/* Copy the first part of user declarations.  */
#line 23 "slp_attr_y.y"

#include <unistd.h>
#include <string.h>
#include <stdlib.h>

#include "slp_attr.h"
#include "slp_linkedlist.h"



/* prototypes and globals go here */

#ifndef FALSE
#define FALSE   0
#endif
#ifndef TRUE
#define TRUE    (!FALSE)
#endif

#define yymaxdepth      slp_attr_maxdepth
#define yyparse         slp_attr_parse
#define yylex           slp_attr_lex
#define yyerror         slp_attr_error
#define yylval          slp_attr_lval
#define yychar          slp_attr_char
#define yydebug         slp_attr_debug
#define yypact          slp_attr_pact  
#define yyr1            slp_attr_r1                    
#define yyr2            slp_attr_r2                    
#define yydef           slp_attr_def           
#define yychk           slp_attr_chk           
#define yypgo           slp_attr_pgo           
#define yyact           slp_attr_act           
#define yyexca          slp_attr_exca
#define yyerrflag       slp_attr_errflag
#define yynerrs         slp_attr_nerrs
#define yyps            slp_attr_ps
#define yypv            slp_attr_pv
#define yys             slp_attr_s
#define yy_yys          slp_attr_yys
#define yystate         slp_attr_state
#define yytmp           slp_attr_tmp
#define yyv             slp_attr_v
#define yy_yyv          slp_attr_yyv
#define yyval           slp_attr_val
#define yylloc          slp_attr_lloc
#define yyreds          slp_attr_reds
#define yytoks          slp_attr_toks
#define yylhs           slp_attr_yylhs
#define yylen           slp_attr_yylen
#define yydefred        slp_attr_yydefred
#define yydgoto         slp_attr_yydgoto
#define yysindex        slp_attr_yysindex
#define yyrindex        slp_attr_yyrindex
#define yygindex        slp_attr_yygindex
#define yytable         slp_attr_yytable
#define yycheck         slp_attr_yycheck
#define yyname          slp_attr_yyname
#define yyrule          slp_attr_yyrule

static int bt = TRUE;
static int bf = FALSE;
static SLPAttrList attrHead = {&attrHead, &attrHead, TRUE, NULL, head, {0L}};
static SLPAttrList inProcessAttr = {&inProcessAttr, &inProcessAttr, TRUE, NULL, head, {0L}};
static SLPAttrList inProcessTag = {&inProcessTag, &inProcessTag, TRUE, NULL, head, {0L}};

int slp_attr_parse(void);
void slp_attr_error(char *, ...);
int slp_attr_wrap(void);
int slp_attr_lex(void);
void slp_attr_close_lexer(unsigned int handle);
unsigned int slp_attr_init_lexer(char *s);




/* 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)
#line 102 "slp_attr_y.y"
typedef union YYSTYPE {
    int _i;
    char *_s;
    SLPAttrList *_atl;
} YYSTYPE;
/* Line 191 of yacc.c.  */
#line 175 "slp_attr_y.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 214 of yacc.c.  */
#line 187 "slp_attr_y.c"

#if ! defined (yyoverflow) || 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) || YYERROR_VERBOSE */


#if (! defined (yyoverflow) \
     && (! defined (__cplusplus) \
	 || (YYSTYPE_IS_TRIVIAL)))

/* A type that is properly aligned for any stack member.  */
union yyalloc
{
  short 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) + sizeof (YYSTYPE))				\
      + YYSTACK_GAP_MAXIMUM)

/* 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_MAXIMUM; \
	yyptr += yynewbytes / sizeof (*yyptr);				\
      }									\
    while (0)

#endif

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

/* YYFINAL -- State number of the termination state. */
#define YYFINAL  6
/* YYLAST -- Last index in YYTABLE.  */
#define YYLAST   17

/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS  14
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS  5
/* YYNRULES -- Number of rules. */
#define YYNRULES  13
/* YYNRULES -- Number of states. */
#define YYNSTATES  21

/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
#define YYUNDEFTOK  2
#define YYMAXUTOK   264

#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,
      11,    12,     2,     2,    10,     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,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     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
};

#if YYDEBUG
/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
   YYRHS.  */
static const unsigned char yyprhs[] =
{
       0,     0,     3,     5,     9,    11,    15,    21,    23,    27,
      29,    31,    33,    35
};

/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const yysigned_char yyrhs[] =
{
      15,     0,    -1,    16,    -1,    15,    10,    16,    -1,     8,
      -1,    11,     8,    12,    -1,    11,     8,    13,    17,    12,
      -1,    18,    -1,    17,     5,    18,    -1,     3,    -1,     4,
      -1,     7,    -1,     9,    -1,     6,    -1
};

/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
static const unsigned char yyrline[] =
{
       0,   118,   118,   129,   141,   149,   157,   169,   176,   184,
     188,   192,   197,   201
};
#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", "_TRUE", "_FALSE", "_MULTIVAL", "_INT", 
  "_ESCAPED", "_TAG", "_STRING", "','", "'('", "')'", "'='", "$accept", 
  "attr_list", "attr", "attr_val_list", "attr_val", 0
};
#endif

# ifdef YYPRINT
/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
   token YYLEX-NUM.  */
static const unsigned short yytoknum[] =
{
       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
      44,    40,    41,    61
};
# endif

/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
static const unsigned char yyr1[] =
{
       0,    14,    15,    15,    16,    16,    16,    17,    17,    18,
      18,    18,    18,    18
};

/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
static const unsigned char yyr2[] =
{
       0,     2,     1,     3,     1,     3,     5,     1,     3,     1,
       1,     1,     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[] =
{
       0,     4,     0,     0,     2,     0,     1,     0,     5,     0,
       3,     9,    10,    13,    11,    12,     0,     7,     0,     6,
       8
};

/* YYDEFGOTO[NTERM-NUM]. */
static const yysigned_char yydefgoto[] =
{
      -1,     3,     4,    16,    17
};

/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
   STATE-NUM.  */
#define YYPACT_NINF -12
static const yysigned_char yypact[] =
{
      -6,   -12,    -2,     0,   -12,    -9,   -12,    -6,   -12,     8,
     -12,   -12,   -12,   -12,   -12,   -12,    -4,   -12,     8,   -12,
     -12
};

/* YYPGOTO[NTERM-NUM].  */
static const yysigned_char yypgoto[] =
{
     -12,   -12,     2,   -12,   -11
};

/* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
   positive, shift that token.  If negative, reduce the rule which
   number is the opposite.  If zero, do what YYDEFACT says.
   If YYTABLE_NINF, syntax error.  */
#define YYTABLE_NINF -1
static const unsigned char yytable[] =
{
       6,    18,     1,     8,     9,     2,     5,    20,    19,    10,
       7,    11,    12,     0,    13,    14,     0,    15
};

static const yysigned_char yycheck[] =
{
       0,     5,     8,    12,    13,    11,     8,    18,    12,     7,
      10,     3,     4,    -1,     6,     7,    -1,     9
};

/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
   symbol of state STATE-NUM.  */
static const unsigned char yystos[] =
{
       0,     8,    11,    15,    16,     8,     0,    10,    12,    13,
      16,     3,     4,     6,     7,     9,    17,    18,     5,    12,
      18
};

#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);						\
      yytoken = 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).  */

#ifndef YYLLOC_DEFAULT
# define YYLLOC_DEFAULT(Current, Rhs, N)         \
  Current.first_line   = Rhs[1].first_line;      \
  Current.first_column = Rhs[1].first_column;    \
  Current.last_line    = Rhs[N].last_line;       \
  Current.last_column  = Rhs[N].last_column;
#endif

/* YYLEX -- calling `yylex' with the right arguments.  */

#ifdef YYLEX_PARAM