wqlyacc.cpp

Pegasus is an open-source implementationof the DMTF CIM and WBEM standards. It is designed to be por

//%2006////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; Symantec Corporation; The Open Group.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
/* A Bison parser, made by GNU Bison 1.875c.  */

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

/* If NAME_PREFIX is specified substitute the variables and functions
   names.  */
#define yyparse WQL_parse
#define yylex   WQL_lex
#define yyerror WQL_error
#define yylval  WQL_lval
#define yychar  WQL_char
#define yydebug WQL_debug
#define yynerrs WQL_nerrs


/* Tokens.  */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
   /* Put the tokens into the symbol table, so that GDB and other debuggers
      know about them.  */
   enum yytokentype {
     TOK_INTEGER = 258,
     TOK_DOUBLE = 259,
     TOK_STRING = 260,
     TOK_TRUE = 261,
     TOK_FALSE = 262,
     TOK_NULL = 263,
     TOK_ISA = 264,
     TOK_DOT = 265,
     TOK_EQ = 266,
     TOK_NE = 267,
     TOK_LT = 268,
     TOK_LE = 269,
     TOK_GT = 270,
     TOK_GE = 271,
     TOK_NOT = 272,
     TOK_OR = 273,
     TOK_AND = 274,
     TOK_IS = 275,
     TOK_IDENTIFIER = 276,
     TOK_SELECT = 277,
     TOK_WHERE = 278,
     TOK_FROM = 279,
     TOK_UNEXPECTED_CHAR = 280
   };
#endif
#define TOK_INTEGER 258
#define TOK_DOUBLE 259
#define TOK_STRING 260
#define TOK_TRUE 261
#define TOK_FALSE 262
#define TOK_NULL 263
#define TOK_ISA 264
#define TOK_DOT 265
#define TOK_EQ 266
#define TOK_NE 267
#define TOK_LT 268
#define TOK_LE 269
#define TOK_GT 270
#define TOK_GE 271
#define TOK_NOT 272
#define TOK_OR 273
#define TOK_AND 274
#define TOK_IS 275
#define TOK_IDENTIFIER 276
#define TOK_SELECT 277
#define TOK_WHERE 278
#define TOK_FROM 279
#define TOK_UNEXPECTED_CHAR 280




/* Copy the first part of user declarations.  */
#line 37 "WQL.y"


#include <Pegasus/Common/Config.h>
#include <Pegasus/WQL/WQLOperation.h>
#include <Pegasus/WQL/WQLOperand.h>
#include <Pegasus/WQL/WQLParserState.h>
#include <Pegasus/WQL/WQLSelectStatement.h>
#include <string.h>
#include <stdlib.h>

#ifdef PEGASUS_OS_TYPE_WINDOWS
# include <malloc.h>
#endif

#if defined(PEGASUS_COMPILER_ACC) && defined(PEGASUS_OS_HPUX)
# include <alloca.h>
#endif

#if 0
# define WQL_TRACE(X) printf X
#else
# define WQL_TRACE(X)
#endif

extern int WQL_lex();
extern int WQL_error(const char*);

//
// Define the global parser state object:
//

PEGASUS_USING_PEGASUS;

PEGASUS_NAMESPACE_BEGIN

extern WQLParserState* globalParserState;

PEGASUS_NAMESPACE_END



/* 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 87 "WQL.y"
typedef union YYSTYPE {
   int intValue;
   double doubleValue;
   char* strValue;
   void* nodeValue;
} YYSTYPE;
/* Line 191 of yacc.c.  */
#line 183 "WQLtemp"
# 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 195 "WQLtemp"

#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
#   define YYSTACK_ALLOC alloca
#  endif
# else
#  if defined (alloca) || defined (_ALLOCA_H)
#   define YYSTACK_ALLOC alloca
#  else
#   ifdef __GNUC__
#    define YYSTACK_ALLOC __builtin_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 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 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 yysigned_char;
#endif

/* YYFINAL -- State number of the termination state. */
#define YYFINAL  9
/* YYLAST -- Last index in YYTABLE.  */
#define YYLAST   69

/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS  30
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS  16
/* YYNRULES -- Number of rules. */
#define YYNRULES  39
/* YYNRULES -- Number of states. */
#define YYNSTATES  65

/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
#define YYUNDEFTOK  2
#define YYMAXUTOK   280

#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,
      28,    29,    26,     2,    27,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     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
};

#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,    13,    15,    19,    22,
      24,    27,    30,    34,    38,    41,    45,    47,    51,    56,
      58,    60,    64,    68,    72,    76,    80,    84,    88,    92,
      97,    99,   101,   103,   107,   109,   111,   113,   115,   117
};

/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const yysigned_char yyrhs[] =
{
      31,     0,    -1,    32,    -1,    22,    33,    35,    -1,    26,
      -1,    34,    -1,    43,    -1,    34,    27,    43,    -1,    36,
      37,    -1,    36,    -1,    24,    44,    -1,    23,    38,    -1,
      38,    18,    38,    -1,    38,    19,    38,    -1,    17,    38,
      -1,    28,    38,    29,    -1,    39,    -1,    39,    20,    42,
      -1,    39,    20,    17,    42,    -1,    40,    -1,    41,    -1,
      45,    13,    45,    -1,    45,    15,    45,    -1,    45,    14,
      45,    -1,    45,    16,    45,    -1,    45,    11,    45,    -1,
      45,    12,    45,    -1,    43,     9,    44,    -1,    45,    20,
       8,    -1,    45,    20,    17,     8,    -1,     6,    -1,     7,
      -1,    21,    -1,    21,    10,    21,    -1,    21,    -1,    43,
      -1,     3,    -1,     4,    -1,     5,    -1,    42,    -1
};

/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
static const unsigned short yyrline[] =
{
       0,   160,   160,   166,   172,   176,   182,   186,   192,   196,
     202,   209,   215,   220,   225,   231,   235,   239,   244,   253,
     257,   263,   268,   273,   278,   283,   288,   293,   303,   308,
     315,   319,   332,   337,   349,   356,   362,   367,   372,   377
};
#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", "TOK_INTEGER", "TOK_DOUBLE",
  "TOK_STRING", "TOK_TRUE", "TOK_FALSE", "TOK_NULL", "TOK_ISA", "TOK_DOT",
  "TOK_EQ", "TOK_NE", "TOK_LT", "TOK_LE", "TOK_GT", "TOK_GE", "TOK_NOT",
  "TOK_OR", "TOK_AND", "TOK_IS", "TOK_IDENTIFIER", "TOK_SELECT",
  "TOK_WHERE", "TOK_FROM", "TOK_UNEXPECTED_CHAR", "'*'", "','", "'('",
  "')'", "$accept", "start", "selectStatement", "selectList",
  "propertyList", "selectExpression", "fromClause", "whereClause",
  "searchCondition", "predicate", "comparisonPredicate", "nullPredicate",
  "truthValue", "propertyName", "className", "comparisonTerm", 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,
     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
     275,   276,   277,   278,   279,   280,    42,    44,    40,    41
};
# endif

/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
static const unsigned char yyr1[] =
{
       0,    30,    31,    32,    33,    33,    34,    34,    35,    35,
      36,    37,    38,    38,    38,    38,    38,    38,    38,    39,
      39,    40,    40,    40,    40,    40,    40,    40,    41,    41,
      42,    42,    43,    43,    44,    45,    45,    45,    45,    45
};

/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
static const unsigned char yyr2[] =
{
       0,     2,     1,     3,     1,     1,     1,     3,     2,     1,
       2,     2,     3,     3,     2,     3,     1,     3,     4,     1,
       1,     3,     3,     3,     3,     3,     3,     3,     3,     4,
       1,     1,     1,     3,     1,     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,     0,     0,     2,    32,     4,     0,     5,     6,     1,
       0,     0,     3,     9,     0,    33,    34,    10,     0,     8,
       7,    36,    37,    38,    30,    31,     0,     0,    11,    16,
      19,    20,    39,    35,     0,    14,     0,     0,     0,     0,
       0,     0,     0,     0,     0,     0,     0,     0,    15,    12,
      13,     0,    17,    27,    35,    25,    26,    21,    23,    22,
      24,    28,     0,    18,    29
};

/* YYDEFGOTO[NTERM-NUM]. */
static const yysigned_char yydefgoto[] =
{
      -1,     2,     3,     6,     7,    12,    13,    19,    28,    29,
      30,    31,    32,    54,    17,    34
};

/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
   STATE-NUM.  */
#define YYPACT_NINF -38
static const yysigned_char yypact[] =
{
     -21,   -10,    15,   -38,    25,   -38,    17,    -8,   -38,   -38,
      28,    39,   -38,    38,    41,   -38,   -38,   -38,     1,   -38,
     -38,   -38,   -38,   -38,   -38,   -38,     1,     1,     5,    43,
     -38,   -38,   -38,    55,    31,   -38,     9,     1,     1,    33,
      39,    27,    27,    27,    27,    27,    27,    -5,   -38,    46,
     -38,    52,   -38,   -38,   -38,   -38,   -38,   -38,   -38,   -38,
     -38,   -38,    58,   -38,   -38
};

/* YYPGOTO[NTERM-NUM].  */
static const yysigned_char yypgoto[] =
{
     -38,   -38,   -38,   -38,   -38,   -38,   -38,   -38,   -17,   -38,
     -38,   -38,   -37,    -1,    29,    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[] =
{
       8,     1,    52,    61,    21,    22,    23,    24,    25,    35,
      36,     4,    62,    20,    63,     9,     5,    33,    26,    14,
      49,    50,     4,    37,    38,    33,    33,    37,    38,    27,
      21,    22,    23,    24,    25,    10,    33,    33,    48,    24,
      25,    11,    41,    42,    43,    44,    45,    46,     4,    15,
      51,    47,    55,    56,    57,    58,    59,    60,    24,    25,
      16,    18,     4,    39,    40,    38,    64,     0,     0,    53
};

static const yysigned_char yycheck[] =
{
       1,    22,    39,     8,     3,     4,     5,     6,     7,    26,
      27,    21,    17,    14,    51,     0,    26,    18,    17,    27,
      37,    38,    21,    18,    19,    26,    27,    18,    19,    28,
       3,     4,     5,     6,     7,    10,    37,    38,    29,     6,
       7,    24,    11,    12,    13,    14,    15,    16,    21,    21,
      17,    20,    41,    42,    43,    44,    45,    46,     6,     7,
      21,    23,    21,    20,     9,    19,     8,    -1,    -1,    40
};

/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
   symbol of state STATE-NUM.  */
static const unsigned char yystos[] =
{
       0,    22,    31,    32,    21,    26,    33,    34,    43,     0,
      10,    24,    35,    36,    27,    21,    21,    44,    23,    37,
      43,     3,     4,     5,     6,     7,    17,    28,    38,    39,
      40,    41,    42,    43,    45,    38,    38,    18,    19,    20,
       9,    11,    12,    13,    14,    15,    16,    20,    29,    38,
      38,    17,    42,    44,    43,    45,    45,    45,    45,    45,
      45,     8,    17,    42,     8
};

#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