dvparse.c

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/* A Bison parser, made by GNU Bison 2.3.  */

/* Skeleton implementation for Bison's Yacc-like parsers in C

   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
   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., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.  */

/* 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.  */

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

/* Bison version.  */
#define YYBISON_VERSION "2.3"

/* 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 dvparse
#define yylex   dvlex
#define yyerror dverror
#define yylval  dvlval
#define yychar  dvchar
#define yydebug dvdebug
#define yynerrs dvnerrs


/* Tokens.  */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
   /* Put the tokens into the symbol table, so that GDB and other debuggers
      know about them.  */
   enum yytokentype {
     IDENT = 258,
     INTEGER = 259,
     INTTYPE = 260,
     UINTTYPE = 261,
     KWARRAY = 262,
     KWBEGIN = 263,
     KWBIT = 264,
     KWBOOL = 265,
     KWCASCADE = 266,
     KWCHAR = 267,
     KWCHILD_ONLY = 268,
     KWCLASS = 269,
     KWCREATE_ONLY = 270,
     KWDOUBLE = 271,
     KWDOUBLY_LINKED = 272,
     KWEND = 273,
     KWENUM = 274,
     KWFIXED_NUMBER = 275,
     KWFLOAT = 276,
     KWFREE_LIST = 277,
     KWHASHED = 278,
     KWIMPORT = 279,
     KWINHERITANCE = 280,
     KWLINKED_LIST = 281,
     KWMANDATORY = 282,
     KWMODULE = 283,
     KWPARENT_ONLY = 284,
     KWPERSISTENT = 285,
     KWREFERENCE_SIZE = 286,
     KWRELATIONSHIP = 287,
     KWSCHEMA = 288,
     KWSYM = 289,
     KWTAIL_LINKED = 290,
     KWTYPEDEF = 291,
     KWUNION = 292,
     KWVOLATILE = 293,
     KWUNDO_REDO = 294
   };
#endif
/* Tokens.  */
#define IDENT 258
#define INTEGER 259
#define INTTYPE 260
#define UINTTYPE 261
#define KWARRAY 262
#define KWBEGIN 263
#define KWBIT 264
#define KWBOOL 265
#define KWCASCADE 266
#define KWCHAR 267
#define KWCHILD_ONLY 268
#define KWCLASS 269
#define KWCREATE_ONLY 270
#define KWDOUBLE 271
#define KWDOUBLY_LINKED 272
#define KWEND 273
#define KWENUM 274
#define KWFIXED_NUMBER 275
#define KWFLOAT 276
#define KWFREE_LIST 277
#define KWHASHED 278
#define KWIMPORT 279
#define KWINHERITANCE 280
#define KWLINKED_LIST 281
#define KWMANDATORY 282
#define KWMODULE 283
#define KWPARENT_ONLY 284
#define KWPERSISTENT 285
#define KWREFERENCE_SIZE 286
#define KWRELATIONSHIP 287
#define KWSCHEMA 288
#define KWSYM 289
#define KWTAIL_LINKED 290
#define KWTYPEDEF 291
#define KWUNION 292
#define KWVOLATILE 293
#define KWUNDO_REDO 294




/* Copy the first part of user declarations.  */
#line 19 "src/dvparse.y"


#include "dv.h"

dvModule dvCurrentModule;
static dvSchema dvCurrentSchema;
static dvEnum dvCurrentEnum;
static dvClass dvCurrentClass;
static dvUnion dvCurrentUnion;
static dvProperty dvCurrentProperty;
static dvRelationship dvCurrentRelationship;
static uint32 dvCurrentEnumValue;
static uint32 dvIntWidth;
static uint16 dvUnionNumber;

/*--------------------------------------------------------------------------------------------------
  Provide yyerror function capability.
--------------------------------------------------------------------------------------------------*/
void dverror(
    char *message,
    ...)
{
    char *buff;
    va_list ap;

    va_start(ap, message);
    buff = utVsprintf(message, ap);
    va_end(ap);
    utError("Line %d, token \"%s\": %s", dvLineNum, dvlextext, buff);
}

/*--------------------------------------------------------------------------------------------------
  Build a user-defined type property, either an enum or typedef.
--------------------------------------------------------------------------------------------------*/
static dvProperty buildUserTypeProperty(
    dvModule module,
    utSym typeSym,
    utSym sym)
{
    dvProperty property = dvPropertyCreate(dvCurrentClass, dvCurrentUnion, PROP_UNBOUND, sym);
 
    dvPropertySetTypeSym(property, typeSym);
    dvPropertySetLine(property, dvLineNum);
    if(module != dvCurrentModule) {
        /* Bind it now while we know the module */
        dvBindProperty(property, module);
    }
    return property;
}



/* 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

/* Enabling the token table.  */
#ifndef YYTOKEN_TABLE
# define YYTOKEN_TABLE 0
#endif

#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
typedef union YYSTYPE
#line 71 "src/dvparse.y"
{
    utSym symVal;
    uint32 intVal;
    dvPropertyType propTypeVal;
    dvModule moduleVal;
    dvRelationshipType relationshipType;
}
/* Line 193 of yacc.c.  */
#line 242 "src/dvparse.c"
	YYSTYPE;
# 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 216 of yacc.c.  */
#line 255 "src/dvparse.c"

#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;
#elif (defined __STDC__ || defined __C99__FUNC__ \
     || defined __cplusplus || defined _MSC_VER)
typedef signed char yytype_int8;
#else
typedef short int yytype_int8;
#endif

#ifdef YYTYPE_UINT16
typedef YYTYPE_UINT16 yytype_uint16;
#else
typedef unsigned short int yytype_uint16;
#endif

#ifdef YYTYPE_INT16
typedef YYTYPE_INT16 yytype_int16;
#else
typedef short int 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 && (defined __STDC__ || defined __C99__FUNC__ \
     || defined __cplusplus || defined _MSC_VER)
#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
#  define YYSIZE_T size_t
# else
#  define YYSIZE_T unsigned int
# endif
#endif

#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)

#ifndef YY_
# if 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

/* Suppress unused-variable warnings by "using" E.  */
#if ! defined lint || defined __GNUC__
# define YYUSE(e) ((void) (e))
#else
# define YYUSE(e) /* empty */
#endif

/* Identity function, used to suppress warnings about constant conditions.  */
#ifndef lint
# define YYID(n) (n)
#else
#if (defined __STDC__ || defined __C99__FUNC__ \
     || defined __cplusplus || defined _MSC_VER)
static int
YYID (int i)
#else
static int
YYID (i)
    int i;
#endif
{
  return i;
}
#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 _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
     || defined __cplusplus || defined _MSC_VER)
#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
#     ifndef _STDLIB_H
#      define _STDLIB_H 1
#     endif
#    endif
#   endif
#  endif
# endif

# ifdef YYSTACK_ALLOC
   /* Pacify GCC's `empty if-body' warning.  */
#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (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 _STDLIB_H \
       && ! ((defined YYMALLOC || defined malloc) \
	     && (defined YYFREE || defined free)))
#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
#   ifndef _STDLIB_H
#    define _STDLIB_H 1
#   endif
#  endif
#  ifndef YYMALLOC
#   define YYMALLOC malloc
#   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
     || defined __cplusplus || defined _MSC_VER)
void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
#   endif
#  endif
#  ifndef YYFREE
#   define YYFREE free
#   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
     || defined __cplusplus || defined _MSC_VER)
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;
  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 (yytype_int16) + 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					\
	{					\
	  YYSIZE_T yyi;				\
	  for (yyi = 0; yyi < (Count); yyi++)	\
	    (To)[yyi] = (From)[yyi];		\
	}					\
      while (YYID (0))
#  endif
# endif