LCOV - code coverage report
Current view: top level - contrib/cube - cubeparse.c (source / functions) Hit Total Coverage
Test: PostgreSQL 13beta1 Lines: 92 148 62.2 %
Date: 2020-06-03 09:06:53 Functions: 2 2 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* A Bison parser, made by GNU Bison 3.3.2.  */
       2             : 
       3             : /* Bison implementation for Yacc-like parsers in C
       4             : 
       5             :    Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2019 Free Software Foundation,
       6             :    Inc.
       7             : 
       8             :    This program is free software: you can redistribute it and/or modify
       9             :    it under the terms of the GNU General Public License as published by
      10             :    the Free Software Foundation, either version 3 of the License, or
      11             :    (at your option) any later version.
      12             : 
      13             :    This program is distributed in the hope that it will be useful,
      14             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16             :    GNU General Public License for more details.
      17             : 
      18             :    You should have received a copy of the GNU General Public License
      19             :    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
      20             : 
      21             : /* As a special exception, you may create a larger work that contains
      22             :    part or all of the Bison parser skeleton and distribute that work
      23             :    under terms of your choice, so long as that work isn't itself a
      24             :    parser generator using the skeleton or a modified version thereof
      25             :    as a parser skeleton.  Alternatively, if you modify or redistribute
      26             :    the parser skeleton itself, you may (at your option) remove this
      27             :    special exception, which will cause the skeleton and the resulting
      28             :    Bison output files to be licensed under the GNU General Public
      29             :    License without this special exception.
      30             : 
      31             :    This special exception was added by the Free Software Foundation in
      32             :    version 2.2 of Bison.  */
      33             : 
      34             : /* C LALR(1) parser skeleton written by Richard Stallman, by
      35             :    simplifying the original so-called "semantic" parser.  */
      36             : 
      37             : /* All symbols defined below should begin with yy or YY, to avoid
      38             :    infringing on user name space.  This should be done even for local
      39             :    variables, as they might otherwise be expanded by user macros.
      40             :    There are some unavoidable exceptions within include files to
      41             :    define necessary library symbols; they are noted "INFRINGES ON
      42             :    USER NAME SPACE" below.  */
      43             : 
      44             : /* Undocumented macros, especially those whose name start with YY_,
      45             :    are private implementation details.  Do not rely on them.  */
      46             : 
      47             : /* Identify Bison output.  */
      48             : #define YYBISON 1
      49             : 
      50             : /* Bison version.  */
      51             : #define YYBISON_VERSION "3.3.2"
      52             : 
      53             : /* Skeleton name.  */
      54             : #define YYSKELETON_NAME "yacc.c"
      55             : 
      56             : /* Pure parsers.  */
      57             : #define YYPURE 0
      58             : 
      59             : /* Push parsers.  */
      60             : #define YYPUSH 0
      61             : 
      62             : /* Pull parsers.  */
      63             : #define YYPULL 1
      64             : 
      65             : 
      66             : /* Substitute the variable and function names.  */
      67             : #define yyparse         cube_yyparse
      68             : #define yylex           cube_yylex
      69             : #define yyerror         cube_yyerror
      70             : #define yydebug         cube_yydebug
      71             : #define yynerrs         cube_yynerrs
      72             : 
      73             : #define yylval          cube_yylval
      74             : #define yychar          cube_yychar
      75             : 
      76             : /* First part of user prologue.  */
      77             : #line 1 "cubeparse.y" /* yacc.c:337  */
      78             : 
      79             : /* contrib/cube/cubeparse.y */
      80             : 
      81             : /* NdBox = [(lowerleft),(upperright)] */
      82             : /* [(xLL(1)...xLL(N)),(xUR(1)...xUR(n))] */
      83             : 
      84             : #include "postgres.h"
      85             : 
      86             : #include "cubedata.h"
      87             : #include "utils/float.h"
      88             : 
      89             : /* All grammar constructs return strings */
      90             : #define YYSTYPE char *
      91             : 
      92             : /*
      93             :  * Bison doesn't allocate anything that needs to live across parser calls,
      94             :  * so we can easily have it use palloc instead of malloc.  This prevents
      95             :  * memory leaks if we error out during parsing.  Note this only works with
      96             :  * bison >= 2.0.  However, in bison 1.875 the default is to use alloca()
      97             :  * if possible, so there's not really much problem anyhow, at least if
      98             :  * you're building with gcc.
      99             :  */
     100             : #define YYMALLOC palloc
     101             : #define YYFREE   pfree
     102             : 
     103             : static char *scanbuf;
     104             : static int  scanbuflen;
     105             : 
     106             : static int item_count(const char *s, char delim);
     107             : static NDBOX *write_box(int dim, char *str1, char *str2);
     108             : static NDBOX *write_point_as_box(int dim, char *str);
     109             : 
     110             : 
     111             : #line 112 "cubeparse.c" /* yacc.c:337  */
     112             : # ifndef YY_NULLPTR
     113             : #  if defined __cplusplus
     114             : #   if 201103L <= __cplusplus
     115             : #    define YY_NULLPTR nullptr
     116             : #   else
     117             : #    define YY_NULLPTR 0
     118             : #   endif
     119             : #  else
     120             : #   define YY_NULLPTR ((void*)0)
     121             : #  endif
     122             : # endif
     123             : 
     124             : /* Enabling verbose error messages.  */
     125             : #ifdef YYERROR_VERBOSE
     126             : # undef YYERROR_VERBOSE
     127             : # define YYERROR_VERBOSE 1
     128             : #else
     129             : # define YYERROR_VERBOSE 0
     130             : #endif
     131             : 
     132             : 
     133             : /* Debug traces.  */
     134             : #ifndef YYDEBUG
     135             : # define YYDEBUG 0
     136             : #endif
     137             : #if YYDEBUG
     138             : extern int cube_yydebug;
     139             : #endif
     140             : 
     141             : /* Token type.  */
     142             : #ifndef YYTOKENTYPE
     143             : # define YYTOKENTYPE
     144             :   enum yytokentype
     145             :   {
     146             :     CUBEFLOAT = 258,
     147             :     O_PAREN = 259,
     148             :     C_PAREN = 260,
     149             :     O_BRACKET = 261,
     150             :     C_BRACKET = 262,
     151             :     COMMA = 263
     152             :   };
     153             : #endif
     154             : 
     155             : /* Value type.  */
     156             : #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
     157             : typedef int YYSTYPE;
     158             : # define YYSTYPE_IS_TRIVIAL 1
     159             : # define YYSTYPE_IS_DECLARED 1
     160             : #endif
     161             : 
     162             : 
     163             : extern YYSTYPE cube_yylval;
     164             : 
     165             : int cube_yyparse (NDBOX **result);
     166             : 
     167             : 
     168             : 
     169             : 
     170             : 
     171             : #ifdef short
     172             : # undef short
     173             : #endif
     174             : 
     175             : #ifdef YYTYPE_UINT8
     176             : typedef YYTYPE_UINT8 yytype_uint8;
     177             : #else
     178             : typedef unsigned char yytype_uint8;
     179             : #endif
     180             : 
     181             : #ifdef YYTYPE_INT8
     182             : typedef YYTYPE_INT8 yytype_int8;
     183             : #else
     184             : typedef signed char yytype_int8;
     185             : #endif
     186             : 
     187             : #ifdef YYTYPE_UINT16
     188             : typedef YYTYPE_UINT16 yytype_uint16;
     189             : #else
     190             : typedef unsigned short yytype_uint16;
     191             : #endif
     192             : 
     193             : #ifdef YYTYPE_INT16
     194             : typedef YYTYPE_INT16 yytype_int16;
     195             : #else
     196             : typedef short yytype_int16;
     197             : #endif
     198             : 
     199             : #ifndef YYSIZE_T
     200             : # ifdef __SIZE_TYPE__
     201             : #  define YYSIZE_T __SIZE_TYPE__
     202             : # elif defined size_t
     203             : #  define YYSIZE_T size_t
     204             : # elif ! defined YYSIZE_T
     205             : #  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
     206             : #  define YYSIZE_T size_t
     207             : # else
     208             : #  define YYSIZE_T unsigned
     209             : # endif
     210             : #endif
     211             : 
     212             : #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
     213             : 
     214             : #ifndef YY_
     215             : # if defined YYENABLE_NLS && YYENABLE_NLS
     216             : #  if ENABLE_NLS
     217             : #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
     218             : #   define YY_(Msgid) dgettext ("bison-runtime", Msgid)
     219             : #  endif
     220             : # endif
     221             : # ifndef YY_
     222             : #  define YY_(Msgid) Msgid
     223             : # endif
     224             : #endif
     225             : 
     226             : #ifndef YY_ATTRIBUTE
     227             : # if (defined __GNUC__                                               \
     228             :       && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__)))  \
     229             :      || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C
     230             : #  define YY_ATTRIBUTE(Spec) __attribute__(Spec)
     231             : # else
     232             : #  define YY_ATTRIBUTE(Spec) /* empty */
     233             : # endif
     234             : #endif
     235             : 
     236             : #ifndef YY_ATTRIBUTE_PURE
     237             : # define YY_ATTRIBUTE_PURE   YY_ATTRIBUTE ((__pure__))
     238             : #endif
     239             : 
     240             : #ifndef YY_ATTRIBUTE_UNUSED
     241             : # define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__))
     242             : #endif
     243             : 
     244             : /* Suppress unused-variable warnings by "using" E.  */
     245             : #if ! defined lint || defined __GNUC__
     246             : # define YYUSE(E) ((void) (E))
     247             : #else
     248             : # define YYUSE(E) /* empty */
     249             : #endif
     250             : 
     251             : #if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
     252             : /* Suppress an incorrect diagnostic about yylval being uninitialized.  */
     253             : # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
     254             :     _Pragma ("GCC diagnostic push") \
     255             :     _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
     256             :     _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
     257             : # define YY_IGNORE_MAYBE_UNINITIALIZED_END \
     258             :     _Pragma ("GCC diagnostic pop")
     259             : #else
     260             : # define YY_INITIAL_VALUE(Value) Value
     261             : #endif
     262             : #ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
     263             : # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
     264             : # define YY_IGNORE_MAYBE_UNINITIALIZED_END
     265             : #endif
     266             : #ifndef YY_INITIAL_VALUE
     267             : # define YY_INITIAL_VALUE(Value) /* Nothing. */
     268             : #endif
     269             : 
     270             : 
     271             : #if ! defined yyoverflow || YYERROR_VERBOSE
     272             : 
     273             : /* The parser invokes alloca or malloc; define the necessary symbols.  */
     274             : 
     275             : # ifdef YYSTACK_USE_ALLOCA
     276             : #  if YYSTACK_USE_ALLOCA
     277             : #   ifdef __GNUC__
     278             : #    define YYSTACK_ALLOC __builtin_alloca
     279             : #   elif defined __BUILTIN_VA_ARG_INCR
     280             : #    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
     281             : #   elif defined _AIX
     282             : #    define YYSTACK_ALLOC __alloca
     283             : #   elif defined _MSC_VER
     284             : #    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
     285             : #    define alloca _alloca
     286             : #   else
     287             : #    define YYSTACK_ALLOC alloca
     288             : #    if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
     289             : #     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
     290             :       /* Use EXIT_SUCCESS as a witness for stdlib.h.  */
     291             : #     ifndef EXIT_SUCCESS
     292             : #      define EXIT_SUCCESS 0
     293             : #     endif
     294             : #    endif
     295             : #   endif
     296             : #  endif
     297             : # endif
     298             : 
     299             : # ifdef YYSTACK_ALLOC
     300             :    /* Pacify GCC's 'empty if-body' warning.  */
     301             : #  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
     302             : #  ifndef YYSTACK_ALLOC_MAXIMUM
     303             :     /* The OS might guarantee only one guard page at the bottom of the stack,
     304             :        and a page size can be as small as 4096 bytes.  So we cannot safely
     305             :        invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
     306             :        to allow for a few compiler-allocated temporary stack slots.  */
     307             : #   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
     308             : #  endif
     309             : # else
     310             : #  define YYSTACK_ALLOC YYMALLOC
     311             : #  define YYSTACK_FREE YYFREE
     312             : #  ifndef YYSTACK_ALLOC_MAXIMUM
     313             : #   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
     314             : #  endif
     315             : #  if (defined __cplusplus && ! defined EXIT_SUCCESS \
     316             :        && ! ((defined YYMALLOC || defined malloc) \
     317             :              && (defined YYFREE || defined free)))
     318             : #   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
     319             : #   ifndef EXIT_SUCCESS
     320             : #    define EXIT_SUCCESS 0
     321             : #   endif
     322             : #  endif
     323             : #  ifndef YYMALLOC
     324             : #   define YYMALLOC malloc
     325             : #   if ! defined malloc && ! defined EXIT_SUCCESS
     326             : void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
     327             : #   endif
     328             : #  endif
     329             : #  ifndef YYFREE
     330             : #   define YYFREE free
     331             : #   if ! defined free && ! defined EXIT_SUCCESS
     332             : void free (void *); /* INFRINGES ON USER NAME SPACE */
     333             : #   endif
     334             : #  endif
     335             : # endif
     336             : #endif /* ! defined yyoverflow || YYERROR_VERBOSE */
     337             : 
     338             : 
     339             : #if (! defined yyoverflow \
     340             :      && (! defined __cplusplus \
     341             :          || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
     342             : 
     343             : /* A type that is properly aligned for any stack member.  */
     344             : union yyalloc
     345             : {
     346             :   yytype_int16 yyss_alloc;
     347             :   YYSTYPE yyvs_alloc;
     348             : };
     349             : 
     350             : /* The size of the maximum gap between one aligned stack and the next.  */
     351             : # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
     352             : 
     353             : /* The size of an array large to enough to hold all stacks, each with
     354             :    N elements.  */
     355             : # define YYSTACK_BYTES(N) \
     356             :      ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
     357             :       + YYSTACK_GAP_MAXIMUM)
     358             : 
     359             : # define YYCOPY_NEEDED 1
     360             : 
     361             : /* Relocate STACK from its old location to the new one.  The
     362             :    local variables YYSIZE and YYSTACKSIZE give the old and new number of
     363             :    elements in the stack, and YYPTR gives the new location of the
     364             :    stack.  Advance YYPTR to a properly aligned location for the next
     365             :    stack.  */
     366             : # define YYSTACK_RELOCATE(Stack_alloc, Stack)                           \
     367             :     do                                                                  \
     368             :       {                                                                 \
     369             :         YYSIZE_T yynewbytes;                                            \
     370             :         YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
     371             :         Stack = &yyptr->Stack_alloc;                                    \
     372             :         yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
     373             :         yyptr += yynewbytes / sizeof (*yyptr);                          \
     374             :       }                                                                 \
     375             :     while (0)
     376             : 
     377             : #endif
     378             : 
     379             : #if defined YYCOPY_NEEDED && YYCOPY_NEEDED
     380             : /* Copy COUNT objects from SRC to DST.  The source and destination do
     381             :    not overlap.  */
     382             : # ifndef YYCOPY
     383             : #  if defined __GNUC__ && 1 < __GNUC__
     384             : #   define YYCOPY(Dst, Src, Count) \
     385             :       __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
     386             : #  else
     387             : #   define YYCOPY(Dst, Src, Count)              \
     388             :       do                                        \
     389             :         {                                       \
     390             :           YYSIZE_T yyi;                         \
     391             :           for (yyi = 0; yyi < (Count); yyi++)   \
     392             :             (Dst)[yyi] = (Src)[yyi];            \
     393             :         }                                       \
     394             :       while (0)
     395             : #  endif
     396             : # endif
     397             : #endif /* !YYCOPY_NEEDED */
     398             : 
     399             : /* YYFINAL -- State number of the termination state.  */
     400             : #define YYFINAL  10
     401             : /* YYLAST -- Last index in YYTABLE.  */
     402             : #define YYLAST   17
     403             : 
     404             : /* YYNTOKENS -- Number of terminals.  */
     405             : #define YYNTOKENS  9
     406             : /* YYNNTS -- Number of nonterminals.  */
     407             : #define YYNNTS  4
     408             : /* YYNRULES -- Number of rules.  */
     409             : #define YYNRULES  9
     410             : /* YYNSTATES -- Number of states.  */
     411             : #define YYNSTATES  19
     412             : 
     413             : #define YYUNDEFTOK  2
     414             : #define YYMAXUTOK   263
     415             : 
     416             : /* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
     417             :    as returned by yylex, with out-of-bounds checking.  */
     418             : #define YYTRANSLATE(YYX)                                                \
     419             :   ((unsigned) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
     420             : 
     421             : /* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
     422             :    as returned by yylex.  */
     423             : static const yytype_uint8 yytranslate[] =
     424             : {
     425             :        0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     426             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     427             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     428             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     429             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     430             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     431             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     432             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     433             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     434             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     435             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     436             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     437             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     438             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     439             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     440             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     441             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     442             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     443             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     444             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     445             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     446             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     447             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     448             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     449             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     450             :        2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
     451             :        5,     6,     7,     8
     452             : };
     453             : 
     454             : #if YYDEBUG
     455             :   /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
     456             : static const yytype_uint8 yyrline[] =
     457             : {
     458             :        0,    46,    46,    73,   100,   118,   137,   141,   147,   153
     459             : };
     460             : #endif
     461             : 
     462             : #if YYDEBUG || YYERROR_VERBOSE || 0
     463             : /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
     464             :    First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
     465             : static const char *const yytname[] =
     466             : {
     467             :   "$end", "error", "$undefined", "CUBEFLOAT", "O_PAREN", "C_PAREN",
     468             :   "O_BRACKET", "C_BRACKET", "COMMA", "$accept", "box", "paren_list",
     469             :   "list", YY_NULLPTR
     470             : };
     471             : #endif
     472             : 
     473             : # ifdef YYPRINT
     474             : /* YYTOKNUM[NUM] -- (External) token number corresponding to the
     475             :    (internal) symbol number NUM (which must be that of a token).  */
     476             : static const yytype_uint16 yytoknum[] =
     477             : {
     478             :        0,   256,   257,   258,   259,   260,   261,   262,   263
     479             : };
     480             : # endif
     481             : 
     482             : #define YYPACT_NINF -4
     483             : 
     484             : #define yypact_value_is_default(Yystate) \
     485             :   (!!((Yystate) == (-4)))
     486             : 
     487             : #define YYTABLE_NINF -1
     488             : 
     489             : #define yytable_value_is_error(Yytable_value) \
     490             :   0
     491             : 
     492             :   /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
     493             :      STATE-NUM.  */
     494             : static const yytype_int8 yypact[] =
     495             : {
     496             :       -2,    -4,     0,     3,    10,     4,     5,    -4,     1,     6,
     497             :       -4,     3,    12,    -4,     3,    -4,    -4,     9,    -4
     498             : };
     499             : 
     500             :   /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
     501             :      Performed when YYTABLE does not specify something else to do.  Zero
     502             :      means the default is an error.  */
     503             : static const yytype_uint8 yydefact[] =
     504             : {
     505             :        0,     8,     0,     0,     0,     4,     5,     7,     0,     0,
     506             :        1,     0,     0,     6,     0,     3,     9,     0,     2
     507             : };
     508             : 
     509             :   /* YYPGOTO[NTERM-NUM].  */
     510             : static const yytype_int8 yypgoto[] =
     511             : {
     512             :       -4,    -4,    -3,    15
     513             : };
     514             : 
     515             :   /* YYDEFGOTO[NTERM-NUM].  */
     516             : static const yytype_int8 yydefgoto[] =
     517             : {
     518             :       -1,     4,     5,     6
     519             : };
     520             : 
     521             :   /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
     522             :      positive, shift that token.  If negative, reduce the rule whose
     523             :      number is the opposite.  If YYTABLE_NINF, syntax error.  */
     524             : static const yytype_uint8 yytable[] =
     525             : {
     526             :        9,     1,     2,     1,     3,     7,    13,     2,    15,    12,
     527             :       10,    17,    11,    12,    14,    16,    18,     8
     528             : };
     529             : 
     530             : static const yytype_uint8 yycheck[] =
     531             : {
     532             :        3,     3,     4,     3,     6,     5,     5,     4,    11,     8,
     533             :        0,    14,     8,     8,     8,     3,     7,     2
     534             : };
     535             : 
     536             :   /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
     537             :      symbol of state STATE-NUM.  */
     538             : static const yytype_uint8 yystos[] =
     539             : {
     540             :        0,     3,     4,     6,    10,    11,    12,     5,    12,    11,
     541             :        0,     8,     8,     5,     8,    11,     3,    11,     7
     542             : };
     543             : 
     544             :   /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
     545             : static const yytype_uint8 yyr1[] =
     546             : {
     547             :        0,     9,    10,    10,    10,    10,    11,    11,    12,    12
     548             : };
     549             : 
     550             :   /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.  */
     551             : static const yytype_uint8 yyr2[] =
     552             : {
     553             :        0,     2,     5,     3,     1,     1,     3,     2,     1,     3
     554             : };
     555             : 
     556             : 
     557             : #define yyerrok         (yyerrstatus = 0)
     558             : #define yyclearin       (yychar = YYEMPTY)
     559             : #define YYEMPTY         (-2)
     560             : #define YYEOF           0
     561             : 
     562             : #define YYACCEPT        goto yyacceptlab
     563             : #define YYABORT         goto yyabortlab
     564             : #define YYERROR         goto yyerrorlab
     565             : 
     566             : 
     567             : #define YYRECOVERING()  (!!yyerrstatus)
     568             : 
     569             : #define YYBACKUP(Token, Value)                                    \
     570             :   do                                                              \
     571             :     if (yychar == YYEMPTY)                                        \
     572             :       {                                                           \
     573             :         yychar = (Token);                                         \
     574             :         yylval = (Value);                                         \
     575             :         YYPOPSTACK (yylen);                                       \
     576             :         yystate = *yyssp;                                         \
     577             :         goto yybackup;                                            \
     578             :       }                                                           \
     579             :     else                                                          \
     580             :       {                                                           \
     581             :         yyerror (result, YY_("syntax error: cannot back up")); \
     582             :         YYERROR;                                                  \
     583             :       }                                                           \
     584             :   while (0)
     585             : 
     586             : /* Error token number */
     587             : #define YYTERROR        1
     588             : #define YYERRCODE       256
     589             : 
     590             : 
     591             : 
     592             : /* Enable debugging if requested.  */
     593             : #if YYDEBUG
     594             : 
     595             : # ifndef YYFPRINTF
     596             : #  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
     597             : #  define YYFPRINTF fprintf
     598             : # endif
     599             : 
     600             : # define YYDPRINTF(Args)                        \
     601             : do {                                            \
     602             :   if (yydebug)                                  \
     603             :     YYFPRINTF Args;                             \
     604             : } while (0)
     605             : 
     606             : /* This macro is provided for backward compatibility. */
     607             : #ifndef YY_LOCATION_PRINT
     608             : # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
     609             : #endif
     610             : 
     611             : 
     612             : # define YY_SYMBOL_PRINT(Title, Type, Value, Location)                    \
     613             : do {                                                                      \
     614             :   if (yydebug)                                                            \
     615             :     {                                                                     \
     616             :       YYFPRINTF (stderr, "%s ", Title);                                   \
     617             :       yy_symbol_print (stderr,                                            \
     618             :                   Type, Value, result); \
     619             :       YYFPRINTF (stderr, "\n");                                           \
     620             :     }                                                                     \
     621             : } while (0)
     622             : 
     623             : 
     624             : /*-----------------------------------.
     625             : | Print this symbol's value on YYO.  |
     626             : `-----------------------------------*/
     627             : 
     628             : static void
     629             : yy_symbol_value_print (FILE *yyo, int yytype, YYSTYPE const * const yyvaluep, NDBOX **result)
     630             : {
     631             :   FILE *yyoutput = yyo;
     632             :   YYUSE (yyoutput);
     633             :   YYUSE (result);
     634             :   if (!yyvaluep)
     635             :     return;
     636             : # ifdef YYPRINT
     637             :   if (yytype < YYNTOKENS)
     638             :     YYPRINT (yyo, yytoknum[yytype], *yyvaluep);
     639             : # endif
     640             :   YYUSE (yytype);
     641             : }
     642             : 
     643             : 
     644             : /*---------------------------.
     645             : | Print this symbol on YYO.  |
     646             : `---------------------------*/
     647             : 
     648             : static void
     649             : yy_symbol_print (FILE *yyo, int yytype, YYSTYPE const * const yyvaluep, NDBOX **result)
     650             : {
     651             :   YYFPRINTF (yyo, "%s %s (",
     652             :              yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]);
     653             : 
     654             :   yy_symbol_value_print (yyo, yytype, yyvaluep, result);
     655             :   YYFPRINTF (yyo, ")");
     656             : }
     657             : 
     658             : /*------------------------------------------------------------------.
     659             : | yy_stack_print -- Print the state stack from its BOTTOM up to its |
     660             : | TOP (included).                                                   |
     661             : `------------------------------------------------------------------*/
     662             : 
     663             : static void
     664             : yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
     665             : {
     666             :   YYFPRINTF (stderr, "Stack now");
     667             :   for (; yybottom <= yytop; yybottom++)
     668             :     {
     669             :       int yybot = *yybottom;
     670             :       YYFPRINTF (stderr, " %d", yybot);
     671             :     }
     672             :   YYFPRINTF (stderr, "\n");
     673             : }
     674             : 
     675             : # define YY_STACK_PRINT(Bottom, Top)                            \
     676             : do {                                                            \
     677             :   if (yydebug)                                                  \
     678             :     yy_stack_print ((Bottom), (Top));                           \
     679             : } while (0)
     680             : 
     681             : 
     682             : /*------------------------------------------------.
     683             : | Report that the YYRULE is going to be reduced.  |
     684             : `------------------------------------------------*/
     685             : 
     686             : static void
     687             : yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule, NDBOX **result)
     688             : {
     689             :   unsigned long yylno = yyrline[yyrule];
     690             :   int yynrhs = yyr2[yyrule];
     691             :   int yyi;
     692             :   YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
     693             :              yyrule - 1, yylno);
     694             :   /* The symbols being reduced.  */
     695             :   for (yyi = 0; yyi < yynrhs; yyi++)
     696             :     {
     697             :       YYFPRINTF (stderr, "   $%d = ", yyi + 1);
     698             :       yy_symbol_print (stderr,
     699             :                        yystos[yyssp[yyi + 1 - yynrhs]],
     700             :                        &yyvsp[(yyi + 1) - (yynrhs)]
     701             :                                               , result);
     702             :       YYFPRINTF (stderr, "\n");
     703             :     }
     704             : }
     705             : 
     706             : # define YY_REDUCE_PRINT(Rule)          \
     707             : do {                                    \
     708             :   if (yydebug)                          \
     709             :     yy_reduce_print (yyssp, yyvsp, Rule, result); \
     710             : } while (0)
     711             : 
     712             : /* Nonzero means print parse trace.  It is left uninitialized so that
     713             :    multiple parsers can coexist.  */
     714             : int yydebug;
     715             : #else /* !YYDEBUG */
     716             : # define YYDPRINTF(Args)
     717             : # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
     718             : # define YY_STACK_PRINT(Bottom, Top)
     719             : # define YY_REDUCE_PRINT(Rule)
     720             : #endif /* !YYDEBUG */
     721             : 
     722             : 
     723             : /* YYINITDEPTH -- initial size of the parser's stacks.  */
     724             : #ifndef YYINITDEPTH
     725             : # define YYINITDEPTH 200
     726             : #endif
     727             : 
     728             : /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
     729             :    if the built-in stack extension method is used).
     730             : 
     731             :    Do not make this value too large; the results are undefined if
     732             :    YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
     733             :    evaluated with infinite-precision integer arithmetic.  */
     734             : 
     735             : #ifndef YYMAXDEPTH
     736             : # define YYMAXDEPTH 10000
     737             : #endif
     738             : 
     739             : 
     740             : #if YYERROR_VERBOSE
     741             : 
     742             : # ifndef yystrlen
     743             : #  if defined __GLIBC__ && defined _STRING_H
     744             : #   define yystrlen strlen
     745             : #  else
     746             : /* Return the length of YYSTR.  */
     747             : static YYSIZE_T
     748             : yystrlen (const char *yystr)
     749             : {
     750             :   YYSIZE_T yylen;
     751             :   for (yylen = 0; yystr[yylen]; yylen++)
     752             :     continue;
     753             :   return yylen;
     754             : }
     755             : #  endif
     756             : # endif
     757             : 
     758             : # ifndef yystpcpy
     759             : #  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
     760             : #   define yystpcpy stpcpy
     761             : #  else
     762             : /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
     763             :    YYDEST.  */
     764             : static char *
     765             : yystpcpy (char *yydest, const char *yysrc)
     766             : {
     767             :   char *yyd = yydest;
     768             :   const char *yys = yysrc;
     769             : 
     770             :   while ((*yyd++ = *yys++) != '\0')
     771             :     continue;
     772             : 
     773             :   return yyd - 1;
     774             : }
     775             : #  endif
     776             : # endif
     777             : 
     778             : # ifndef yytnamerr
     779             : /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
     780             :    quotes and backslashes, so that it's suitable for yyerror.  The
     781             :    heuristic is that double-quoting is unnecessary unless the string
     782             :    contains an apostrophe, a comma, or backslash (other than
     783             :    backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
     784             :    null, do not copy; instead, return the length of what the result
     785             :    would have been.  */
     786             : static YYSIZE_T
     787             : yytnamerr (char *yyres, const char *yystr)
     788             : {
     789             :   if (*yystr == '"')
     790             :     {
     791             :       YYSIZE_T yyn = 0;
     792             :       char const *yyp = yystr;
     793             : 
     794             :       for (;;)
     795             :         switch (*++yyp)
     796             :           {
     797             :           case '\'':
     798             :           case ',':
     799             :             goto do_not_strip_quotes;
     800             : 
     801             :           case '\\':
     802             :             if (*++yyp != '\\')
     803             :               goto do_not_strip_quotes;
     804             :             else
     805             :               goto append;
     806             : 
     807             :           append:
     808             :           default:
     809             :             if (yyres)
     810             :               yyres[yyn] = *yyp;
     811             :             yyn++;
     812             :             break;
     813             : 
     814             :           case '"':
     815             :             if (yyres)
     816             :               yyres[yyn] = '\0';
     817             :             return yyn;
     818             :           }
     819             :     do_not_strip_quotes: ;
     820             :     }
     821             : 
     822             :   if (! yyres)
     823             :     return yystrlen (yystr);
     824             : 
     825             :   return (YYSIZE_T) (yystpcpy (yyres, yystr) - yyres);
     826             : }
     827             : # endif
     828             : 
     829             : /* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message
     830             :    about the unexpected token YYTOKEN for the state stack whose top is
     831             :    YYSSP.
     832             : 
     833             :    Return 0 if *YYMSG was successfully written.  Return 1 if *YYMSG is
     834             :    not large enough to hold the message.  In that case, also set
     835             :    *YYMSG_ALLOC to the required number of bytes.  Return 2 if the
     836             :    required number of bytes is too large to store.  */
     837             : static int
     838             : yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg,
     839             :                 yytype_int16 *yyssp, int yytoken)
     840             : {
     841             :   YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]);
     842             :   YYSIZE_T yysize = yysize0;
     843             :   enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
     844             :   /* Internationalized format string. */
     845             :   const char *yyformat = YY_NULLPTR;
     846             :   /* Arguments of yyformat. */
     847             :   char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
     848             :   /* Number of reported tokens (one for the "unexpected", one per
     849             :      "expected"). */
     850             :   int yycount = 0;
     851             : 
     852             :   /* There are many possibilities here to consider:
     853             :      - If this state is a consistent state with a default action, then
     854             :        the only way this function was invoked is if the default action
     855             :        is an error action.  In that case, don't check for expected
     856             :        tokens because there are none.
     857             :      - The only way there can be no lookahead present (in yychar) is if
     858             :        this state is a consistent state with a default action.  Thus,
     859             :        detecting the absence of a lookahead is sufficient to determine
     860             :        that there is no unexpected or expected token to report.  In that
     861             :        case, just report a simple "syntax error".
     862             :      - Don't assume there isn't a lookahead just because this state is a
     863             :        consistent state with a default action.  There might have been a
     864             :        previous inconsistent state, consistent state with a non-default
     865             :        action, or user semantic action that manipulated yychar.
     866             :      - Of course, the expected token list depends on states to have
     867             :        correct lookahead information, and it depends on the parser not
     868             :        to perform extra reductions after fetching a lookahead from the
     869             :        scanner and before detecting a syntax error.  Thus, state merging
     870             :        (from LALR or IELR) and default reductions corrupt the expected
     871             :        token list.  However, the list is correct for canonical LR with
     872             :        one exception: it will still contain any token that will not be
     873             :        accepted due to an error action in a later state.
     874             :   */
     875             :   if (yytoken != YYEMPTY)
     876             :     {
     877             :       int yyn = yypact[*yyssp];
     878             :       yyarg[yycount++] = yytname[yytoken];
     879             :       if (!yypact_value_is_default (yyn))
     880             :         {
     881             :           /* Start YYX at -YYN if negative to avoid negative indexes in
     882             :              YYCHECK.  In other words, skip the first -YYN actions for
     883             :              this state because they are default actions.  */
     884             :           int yyxbegin = yyn < 0 ? -yyn : 0;
     885             :           /* Stay within bounds of both yycheck and yytname.  */
     886             :           int yychecklim = YYLAST - yyn + 1;
     887             :           int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
     888             :           int yyx;
     889             : 
     890             :           for (yyx = yyxbegin; yyx < yyxend; ++yyx)
     891             :             if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR
     892             :                 && !yytable_value_is_error (yytable[yyx + yyn]))
     893             :               {
     894             :                 if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
     895             :                   {
     896             :                     yycount = 1;
     897             :                     yysize = yysize0;
     898             :                     break;
     899             :                   }
     900             :                 yyarg[yycount++] = yytname[yyx];
     901             :                 {
     902             :                   YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]);
     903             :                   if (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)
     904             :                     yysize = yysize1;
     905             :                   else
     906             :                     return 2;
     907             :                 }
     908             :               }
     909             :         }
     910             :     }
     911             : 
     912             :   switch (yycount)
     913             :     {
     914             : # define YYCASE_(N, S)                      \
     915             :       case N:                               \
     916             :         yyformat = S;                       \
     917             :       break
     918             :     default: /* Avoid compiler warnings. */
     919             :       YYCASE_(0, YY_("syntax error"));
     920             :       YYCASE_(1, YY_("syntax error, unexpected %s"));
     921             :       YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
     922             :       YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
     923             :       YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
     924             :       YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
     925             : # undef YYCASE_
     926             :     }
     927             : 
     928             :   {
     929             :     YYSIZE_T yysize1 = yysize + yystrlen (yyformat);
     930             :     if (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)
     931             :       yysize = yysize1;
     932             :     else
     933             :       return 2;
     934             :   }
     935             : 
     936             :   if (*yymsg_alloc < yysize)
     937             :     {
     938             :       *yymsg_alloc = 2 * yysize;
     939             :       if (! (yysize <= *yymsg_alloc
     940             :              && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM))
     941             :         *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM;
     942             :       return 1;
     943             :     }
     944             : 
     945             :   /* Avoid sprintf, as that infringes on the user's name space.
     946             :      Don't have undefined behavior even if the translation
     947             :      produced a string with the wrong number of "%s"s.  */
     948             :   {
     949             :     char *yyp = *yymsg;
     950             :     int yyi = 0;
     951             :     while ((*yyp = *yyformat) != '\0')
     952             :       if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
     953             :         {
     954             :           yyp += yytnamerr (yyp, yyarg[yyi++]);
     955             :           yyformat += 2;
     956             :         }
     957             :       else
     958             :         {
     959             :           yyp++;
     960             :           yyformat++;
     961             :         }
     962             :   }
     963             :   return 0;
     964             : }
     965             : #endif /* YYERROR_VERBOSE */
     966             : 
     967             : /*-----------------------------------------------.
     968             : | Release the memory associated to this symbol.  |
     969             : `-----------------------------------------------*/
     970             : 
     971             : static void
     972       13604 : yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, NDBOX **result)
     973             : {
     974             :   YYUSE (yyvaluep);
     975             :   YYUSE (result);
     976       13604 :   if (!yymsg)
     977           0 :     yymsg = "Deleting";
     978             :   YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
     979             : 
     980             :   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
     981             :   YYUSE (yytype);
     982             :   YY_IGNORE_MAYBE_UNINITIALIZED_END
     983       13604 : }
     984             : 
     985             : 
     986             : 
     987             : 
     988             : /* The lookahead symbol.  */
     989             : int yychar;
     990             : 
     991             : /* The semantic value of the lookahead symbol.  */
     992             : YYSTYPE yylval;
     993             : /* Number of syntax errors so far.  */
     994             : int yynerrs;
     995             : 
     996             : 
     997             : /*----------.
     998             : | yyparse.  |
     999             : `----------*/
    1000             : 
    1001             : int
    1002        6862 : yyparse (NDBOX **result)
    1003             : {
    1004             :     int yystate;
    1005             :     /* Number of tokens to shift before error messages enabled.  */
    1006             :     int yyerrstatus;
    1007             : 
    1008             :     /* The stacks and their tools:
    1009             :        'yyss': related to states.
    1010             :        'yyvs': related to semantic values.
    1011             : 
    1012             :        Refer to the stacks through separate pointers, to allow yyoverflow
    1013             :        to reallocate them elsewhere.  */
    1014             : 
    1015             :     /* The state stack.  */
    1016             :     yytype_int16 yyssa[YYINITDEPTH];
    1017             :     yytype_int16 *yyss;
    1018             :     yytype_int16 *yyssp;
    1019             : 
    1020             :     /* The semantic value stack.  */
    1021             :     YYSTYPE yyvsa[YYINITDEPTH];
    1022             :     YYSTYPE *yyvs;
    1023             :     YYSTYPE *yyvsp;
    1024             : 
    1025             :     YYSIZE_T yystacksize;
    1026             : 
    1027             :   int yyn;
    1028             :   int yyresult;
    1029             :   /* Lookahead token as an internal (translated) token number.  */
    1030        6862 :   int yytoken = 0;
    1031             :   /* The variables used to return semantic value and location from the
    1032             :      action routines.  */
    1033             :   YYSTYPE yyval;
    1034             : 
    1035             : #if YYERROR_VERBOSE
    1036             :   /* Buffer for error messages, and its allocated size.  */
    1037             :   char yymsgbuf[128];
    1038             :   char *yymsg = yymsgbuf;
    1039             :   YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
    1040             : #endif
    1041             : 
    1042             : #define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
    1043             : 
    1044             :   /* The number of symbols on the RHS of the reduced rule.
    1045             :      Keep to zero when no symbol should be popped.  */
    1046        6862 :   int yylen = 0;
    1047             : 
    1048        6862 :   yyssp = yyss = yyssa;
    1049        6862 :   yyvsp = yyvs = yyvsa;
    1050        6862 :   yystacksize = YYINITDEPTH;
    1051             : 
    1052             :   YYDPRINTF ((stderr, "Starting parse\n"));
    1053             : 
    1054        6862 :   yystate = 0;
    1055        6862 :   yyerrstatus = 0;
    1056        6862 :   yynerrs = 0;
    1057        6862 :   yychar = YYEMPTY; /* Cause a token to be read.  */
    1058        6862 :   goto yysetstate;
    1059             : 
    1060             : 
    1061             : /*------------------------------------------------------------.
    1062             : | yynewstate -- push a new state, which is found in yystate.  |
    1063             : `------------------------------------------------------------*/
    1064      130784 : yynewstate:
    1065             :   /* In all cases, when you get here, the value and location stacks
    1066             :      have just been pushed.  So pushing a state here evens the stacks.  */
    1067      130784 :   yyssp++;
    1068             : 
    1069             : 
    1070             : /*--------------------------------------------------------------------.
    1071             : | yynewstate -- set current state (the top of the stack) to yystate.  |
    1072             : `--------------------------------------------------------------------*/
    1073      137646 : yysetstate:
    1074      137646 :   *yyssp = (yytype_int16) yystate;
    1075             : 
    1076      137646 :   if (yyss + yystacksize - 1 <= yyssp)
    1077             : #if !defined yyoverflow && !defined YYSTACK_RELOCATE
    1078             :     goto yyexhaustedlab;
    1079             : #else
    1080             :     {
    1081             :       /* Get the current used size of the three stacks, in elements.  */
    1082           0 :       YYSIZE_T yysize = (YYSIZE_T) (yyssp - yyss + 1);
    1083             : 
    1084             : # if defined yyoverflow
    1085             :       {
    1086             :         /* Give user a chance to reallocate the stack.  Use copies of
    1087             :            these so that the &'s don't force the real ones into
    1088             :            memory.  */
    1089             :         YYSTYPE *yyvs1 = yyvs;
    1090             :         yytype_int16 *yyss1 = yyss;
    1091             : 
    1092             :         /* Each stack pointer address is followed by the size of the
    1093             :            data in use in that stack, in bytes.  This used to be a
    1094             :            conditional around just the two extra args, but that might
    1095             :            be undefined if yyoverflow is a macro.  */
    1096             :         yyoverflow (YY_("memory exhausted"),
    1097             :                     &yyss1, yysize * sizeof (*yyssp),
    1098             :                     &yyvs1, yysize * sizeof (*yyvsp),
    1099             :                     &yystacksize);
    1100             :         yyss = yyss1;
    1101             :         yyvs = yyvs1;
    1102             :       }
    1103             : # else /* defined YYSTACK_RELOCATE */
    1104             :       /* Extend the stack our own way.  */
    1105           0 :       if (YYMAXDEPTH <= yystacksize)
    1106           0 :         goto yyexhaustedlab;
    1107           0 :       yystacksize *= 2;
    1108           0 :       if (YYMAXDEPTH < yystacksize)
    1109           0 :         yystacksize = YYMAXDEPTH;
    1110             : 
    1111             :       {
    1112           0 :         yytype_int16 *yyss1 = yyss;
    1113             :         union yyalloc *yyptr =
    1114           0 :           (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
    1115           0 :         if (! yyptr)
    1116           0 :           goto yyexhaustedlab;
    1117           0 :         YYSTACK_RELOCATE (yyss_alloc, yyss);
    1118           0 :         YYSTACK_RELOCATE (yyvs_alloc, yyvs);
    1119             : # undef YYSTACK_RELOCATE
    1120           0 :         if (yyss1 != yyssa)
    1121           0 :           YYSTACK_FREE (yyss1);
    1122             :       }
    1123             : # endif
    1124             : 
    1125           0 :       yyssp = yyss + yysize - 1;
    1126           0 :       yyvsp = yyvs + yysize - 1;
    1127             : 
    1128             :       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
    1129             :                   (unsigned long) yystacksize));
    1130             : 
    1131           0 :       if (yyss + yystacksize - 1 <= yyssp)
    1132           0 :         YYABORT;
    1133             :     }
    1134             : #endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
    1135             : 
    1136             :   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
    1137             : 
    1138      137646 :   if (yystate == YYFINAL)
    1139        6802 :     YYACCEPT;
    1140             : 
    1141      130844 :   goto yybackup;
    1142             : 
    1143             : 
    1144             : /*-----------.
    1145             : | yybackup.  |
    1146             : `-----------*/
    1147      130844 : yybackup:
    1148             :   /* Do appropriate processing given the current state.  Read a
    1149             :      lookahead token if we need one and don't already have one.  */
    1150             : 
    1151             :   /* First try to decide what to do without reference to lookahead token.  */
    1152      130844 :   yyn = yypact[yystate];
    1153      130844 :   if (yypact_value_is_default (yyn))
    1154       47828 :     goto yydefault;
    1155             : 
    1156             :   /* Not known => get a lookahead token if don't already have one.  */
    1157             : 
    1158             :   /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
    1159       83016 :   if (yychar == YYEMPTY)
    1160             :     {
    1161             :       YYDPRINTF ((stderr, "Reading a token: "));
    1162       82710 :       yychar = yylex ();
    1163             :     }
    1164             : 
    1165       83016 :   if (yychar <= YYEOF)
    1166             :     {
    1167        7104 :       yychar = yytoken = YYEOF;
    1168             :       YYDPRINTF ((stderr, "Now at end of input.\n"));
    1169             :     }
    1170             :   else
    1171             :     {
    1172       75912 :       yytoken = YYTRANSLATE (yychar);
    1173             :       YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
    1174             :     }
    1175             : 
    1176             :   /* If the proper action on seeing token YYTOKEN is to reduce or to
    1177             :      detect an error, take that action.  */
    1178       83016 :   yyn += yytoken;
    1179       83016 :   if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
    1180         356 :     goto yydefault;
    1181       82660 :   yyn = yytable[yyn];
    1182       82660 :   if (yyn <= 0)
    1183             :     {
    1184             :       if (yytable_value_is_error (yyn))
    1185             :         goto yyerrlab;
    1186           0 :       yyn = -yyn;
    1187           0 :       goto yyreduce;
    1188             :     }
    1189             : 
    1190             :   /* Count tokens shifted since error; after three, turn off error
    1191             :      status.  */
    1192       82660 :   if (yyerrstatus)
    1193           0 :     yyerrstatus--;
    1194             : 
    1195             :   /* Shift the lookahead token.  */
    1196             :   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
    1197             : 
    1198             :   /* Discard the shifted token.  */
    1199       82660 :   yychar = YYEMPTY;
    1200             : 
    1201       82660 :   yystate = yyn;
    1202             :   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
    1203       82660 :   *++yyvsp = yylval;
    1204             :   YY_IGNORE_MAYBE_UNINITIALIZED_END
    1205             : 
    1206       82660 :   goto yynewstate;
    1207             : 
    1208             : 
    1209             : /*-----------------------------------------------------------.
    1210             : | yydefault -- do the default action for the current state.  |
    1211             : `-----------------------------------------------------------*/
    1212       48184 : yydefault:
    1213       48184 :   yyn = yydefact[yystate];
    1214       48184 :   if (yyn == 0)
    1215          46 :     goto yyerrlab;
    1216       48138 :   goto yyreduce;
    1217             : 
    1218             : 
    1219             : /*-----------------------------.
    1220             : | yyreduce -- do a reduction.  |
    1221             : `-----------------------------*/
    1222       48138 : yyreduce:
    1223             :   /* yyn is the number of a rule to reduce with.  */
    1224       48138 :   yylen = yyr2[yyn];
    1225             : 
    1226             :   /* If YYLEN is nonzero, implement the default value of the action:
    1227             :      '$$ = $1'.
    1228             : 
    1229             :      Otherwise, the following line sets YYVAL to garbage.
    1230             :      This behavior is undocumented and Bison
    1231             :      users should not rely upon it.  Assigning to YYVAL
    1232             :      unconditionally makes the parser a bit smaller, and it avoids a
    1233             :      GCC warning that YYVAL may be used uninitialized.  */
    1234       48138 :   yyval = yyvsp[1-yylen];
    1235             : 
    1236             : 
    1237             :   YY_REDUCE_PRINT (yyn);
    1238       48138 :   switch (yyn)
    1239             :     {
    1240          32 :         case 2:
    1241             : #line 47 "cubeparse.y" /* yacc.c:1652  */
    1242             :     {
    1243             :         int dim;
    1244             : 
    1245             :         dim = item_count(yyvsp[-3], ',');
    1246             :         if (item_count(yyvsp[-1], ',') != dim)
    1247             :         {
    1248             :             ereport(ERROR,
    1249             :                     (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
    1250             :                      errmsg("invalid input syntax for cube"),
    1251             :                      errdetail("Different point dimensions in (%s) and (%s).",
    1252             :                                yyvsp[-3], yyvsp[-1])));
    1253             :             YYABORT;
    1254             :         }
    1255             :         if (dim > CUBE_MAX_DIM)
    1256             :         {
    1257             :             ereport(ERROR,
    1258             :                     (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
    1259             :                      errmsg("invalid input syntax for cube"),
    1260             :                      errdetail("A cube cannot have more than %d dimensions.",
    1261             :                                CUBE_MAX_DIM)));
    1262             :             YYABORT;
    1263             :         }
    1264             : 
    1265             :         *result = write_box( dim, yyvsp[-3], yyvsp[-1] );
    1266             :     }
    1267             : #line 1268 "cubeparse.c" /* yacc.c:1652  */
    1268          28 :     break;
    1269             : 
    1270        6492 :   case 3:
    1271             : #line 74 "cubeparse.y" /* yacc.c:1652  */
    1272             :     {
    1273             :         int dim;
    1274             : 
    1275             :         dim = item_count(yyvsp[-2], ',');
    1276             :         if (item_count(yyvsp[0], ',') != dim)
    1277             :         {
    1278             :             ereport(ERROR,
    1279             :                     (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
    1280             :                      errmsg("invalid input syntax for cube"),
    1281             :                      errdetail("Different point dimensions in (%s) and (%s).",
    1282             :                                yyvsp[-2], yyvsp[0])));
    1283             :             YYABORT;
    1284             :         }
    1285             :         if (dim > CUBE_MAX_DIM)
    1286             :         {
    1287             :             ereport(ERROR,
    1288             :                     (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
    1289             :                      errmsg("invalid input syntax for cube"),
    1290             :                      errdetail("A cube cannot have more than %d dimensions.",
    1291             :                                CUBE_MAX_DIM)));
    1292             :             YYABORT;
    1293             :         }
    1294             : 
    1295             :         *result = write_box( dim, yyvsp[-2], yyvsp[0] );
    1296             :     }
    1297             : #line 1298 "cubeparse.c" /* yacc.c:1652  */
    1298        6486 :     break;
    1299             : 
    1300         136 :   case 4:
    1301             : #line 101 "cubeparse.y" /* yacc.c:1652  */
    1302             :     {
    1303             :         int dim;
    1304             : 
    1305             :         dim = item_count(yyvsp[0], ',');
    1306             :         if (dim > CUBE_MAX_DIM)
    1307             :         {
    1308             :             ereport(ERROR,
    1309             :                     (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
    1310             :                      errmsg("invalid input syntax for cube"),
    1311             :                      errdetail("A cube cannot have more than %d dimensions.",
    1312             :                                CUBE_MAX_DIM)));
    1313             :             YYABORT;
    1314             :         }
    1315             : 
    1316             :         *result = write_point_as_box(dim, yyvsp[0]);
    1317             :     }
    1318             : #line 1319 "cubeparse.c" /* yacc.c:1652  */
    1319         134 :     break;
    1320             : 
    1321         174 :   case 5:
    1322             : #line 119 "cubeparse.y" /* yacc.c:1652  */
    1323             :     {
    1324             :         int dim;
    1325             : 
    1326             :         dim = item_count(yyvsp[0], ',');
    1327             :         if (dim > CUBE_MAX_DIM)
    1328             :         {
    1329             :             ereport(ERROR,
    1330             :                     (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
    1331             :                      errmsg("invalid input syntax for cube"),
    1332             :                      errdetail("A cube cannot have more than %d dimensions.",
    1333             :                                CUBE_MAX_DIM)));
    1334             :             YYABORT;
    1335             :         }
    1336             : 
    1337             :         *result = write_point_as_box(dim, yyvsp[0]);
    1338             :     }
    1339             : #line 1340 "cubeparse.c" /* yacc.c:1652  */
    1340         172 :     break;
    1341             : 
    1342       13188 :   case 6:
    1343             : #line 138 "cubeparse.y" /* yacc.c:1652  */
    1344             :     {
    1345             :         yyval = yyvsp[-1];
    1346             :     }
    1347             : #line 1348 "cubeparse.c" /* yacc.c:1652  */
    1348       13188 :     break;
    1349             : 
    1350           8 :   case 7:
    1351             : #line 142 "cubeparse.y" /* yacc.c:1652  */
    1352             :     {
    1353             :         yyval = pstrdup("");
    1354             :     }
    1355             : #line 1356 "cubeparse.c" /* yacc.c:1652  */
    1356           8 :     break;
    1357             : 
    1358       13374 :   case 8:
    1359             : #line 148 "cubeparse.y" /* yacc.c:1652  */
    1360             :     {
    1361             :         /* alloc enough space to be sure whole list will fit */
    1362             :         yyval = palloc(scanbuflen + 1);
    1363             :         strcpy(yyval, yyvsp[0]);
    1364             :     }
    1365             : #line 1366 "cubeparse.c" /* yacc.c:1652  */
    1366       13374 :     break;
    1367             : 
    1368       14734 :   case 9:
    1369             : #line 154 "cubeparse.y" /* yacc.c:1652  */
    1370             :     {
    1371             :         yyval = yyvsp[-2];
    1372             :         strcat(yyval, ",");
    1373             :         strcat(yyval, yyvsp[0]);
    1374             :     }
    1375             : #line 1376 "cubeparse.c" /* yacc.c:1652  */
    1376       14734 :     break;
    1377             : 
    1378             : 
    1379             : #line 1380 "cubeparse.c" /* yacc.c:1652  */
    1380           0 :       default: break;
    1381             :     }
    1382             :   /* User semantic actions sometimes alter yychar, and that requires
    1383             :      that yytoken be updated with the new translation.  We take the
    1384             :      approach of translating immediately before every use of yytoken.
    1385             :      One alternative is translating here after every semantic action,
    1386             :      but that translation would be missed if the semantic action invokes
    1387             :      YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
    1388             :      if it invokes YYBACKUP.  In the case of YYABORT or YYACCEPT, an
    1389             :      incorrect destructor might then be invoked immediately.  In the
    1390             :      case of YYERROR or YYBACKUP, subsequent parser actions might lead
    1391             :      to an incorrect destructor call or verbose syntax error message
    1392             :      before the lookahead is translated.  */
    1393             :   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
    1394             : 
    1395       48124 :   YYPOPSTACK (yylen);
    1396       48124 :   yylen = 0;
    1397             :   YY_STACK_PRINT (yyss, yyssp);
    1398             : 
    1399       48124 :   *++yyvsp = yyval;
    1400             : 
    1401             :   /* Now 'shift' the result of the reduction.  Determine what state
    1402             :      that goes to, based on the state we popped back to and the rule
    1403             :      number reduced by.  */
    1404             :   {
    1405       48124 :     const int yylhs = yyr1[yyn] - YYNTOKENS;
    1406       48124 :     const int yyi = yypgoto[yylhs] + *yyssp;
    1407       34676 :     yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
    1408       34392 :                ? yytable[yyi]
    1409       82800 :                : yydefgoto[yylhs]);
    1410             :   }
    1411             : 
    1412       48124 :   goto yynewstate;
    1413             : 
    1414             : 
    1415             : /*--------------------------------------.
    1416             : | yyerrlab -- here on detecting error.  |
    1417             : `--------------------------------------*/
    1418          46 : yyerrlab:
    1419             :   /* Make sure we have latest lookahead translation.  See comments at
    1420             :      user semantic actions for why this is necessary.  */
    1421          46 :   yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
    1422             : 
    1423             :   /* If not already recovering from an error, report this error.  */
    1424          46 :   if (!yyerrstatus)
    1425             :     {
    1426          46 :       ++yynerrs;
    1427             : #if ! YYERROR_VERBOSE
    1428          46 :       yyerror (result, YY_("syntax error"));
    1429             : #else
    1430             : # define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \
    1431             :                                         yyssp, yytoken)
    1432             :       {
    1433             :         char const *yymsgp = YY_("syntax error");
    1434             :         int yysyntax_error_status;
    1435             :         yysyntax_error_status = YYSYNTAX_ERROR;
    1436             :         if (yysyntax_error_status == 0)
    1437             :           yymsgp = yymsg;
    1438             :         else if (yysyntax_error_status == 1)
    1439             :           {
    1440             :             if (yymsg != yymsgbuf)
    1441             :               YYSTACK_FREE (yymsg);
    1442             :             yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc);
    1443             :             if (!yymsg)
    1444             :               {
    1445             :                 yymsg = yymsgbuf;
    1446             :                 yymsg_alloc = sizeof yymsgbuf;
    1447             :                 yysyntax_error_status = 2;
    1448             :               }
    1449             :             else
    1450             :               {
    1451             :                 yysyntax_error_status = YYSYNTAX_ERROR;
    1452             :                 yymsgp = yymsg;
    1453             :               }
    1454             :           }
    1455             :         yyerror (result, yymsgp);
    1456             :         if (yysyntax_error_status == 2)
    1457             :           goto yyexhaustedlab;
    1458             :       }
    1459             : # undef YYSYNTAX_ERROR
    1460             : #endif
    1461             :     }
    1462             : 
    1463             : 
    1464             : 
    1465           0 :   if (yyerrstatus == 3)
    1466             :     {
    1467             :       /* If just tried and failed to reuse lookahead token after an
    1468             :          error, discard it.  */
    1469             : 
    1470           0 :       if (yychar <= YYEOF)
    1471             :         {
    1472             :           /* Return failure if at end of input.  */
    1473           0 :           if (yychar == YYEOF)
    1474           0 :             YYABORT;
    1475             :         }
    1476             :       else
    1477             :         {
    1478           0 :           yydestruct ("Error: discarding",
    1479             :                       yytoken, &yylval, result);
    1480           0 :           yychar = YYEMPTY;
    1481             :         }
    1482             :     }
    1483             : 
    1484             :   /* Else will try to reuse lookahead token after shifting the error
    1485             :      token.  */
    1486           0 :   goto yyerrlab1;
    1487             : 
    1488             : 
    1489             : /*---------------------------------------------------.
    1490             : | yyerrorlab -- error raised explicitly by YYERROR.  |
    1491             : `---------------------------------------------------*/
    1492             : yyerrorlab:
    1493             :   /* Pacify compilers when the user code never invokes YYERROR and the
    1494             :      label yyerrorlab therefore never appears in user code.  */
    1495             :   if (0)
    1496             :     YYERROR;
    1497             : 
    1498             :   /* Do not reclaim the symbols of the rule whose action triggered
    1499             :      this YYERROR.  */
    1500             :   YYPOPSTACK (yylen);
    1501             :   yylen = 0;
    1502             :   YY_STACK_PRINT (yyss, yyssp);
    1503             :   yystate = *yyssp;
    1504             :   goto yyerrlab1;
    1505             : 
    1506             : 
    1507             : /*-------------------------------------------------------------.
    1508             : | yyerrlab1 -- common code for both syntax error and YYERROR.  |
    1509             : `-------------------------------------------------------------*/
    1510           0 : yyerrlab1:
    1511           0 :   yyerrstatus = 3;      /* Each real token shifted decrements this.  */
    1512             : 
    1513             :   for (;;)
    1514             :     {
    1515           0 :       yyn = yypact[yystate];
    1516           0 :       if (!yypact_value_is_default (yyn))
    1517             :         {
    1518           0 :           yyn += YYTERROR;
    1519           0 :           if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
    1520             :             {
    1521           0 :               yyn = yytable[yyn];
    1522           0 :               if (0 < yyn)
    1523           0 :                 break;
    1524             :             }
    1525             :         }
    1526             : 
    1527             :       /* Pop the current state because it cannot handle the error token.  */
    1528           0 :       if (yyssp == yyss)
    1529           0 :         YYABORT;
    1530             : 
    1531             : 
    1532           0 :       yydestruct ("Error: popping",
    1533           0 :                   yystos[yystate], yyvsp, result);
    1534           0 :       YYPOPSTACK (1);
    1535           0 :       yystate = *yyssp;
    1536             :       YY_STACK_PRINT (yyss, yyssp);
    1537             :     }
    1538             : 
    1539             :   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
    1540           0 :   *++yyvsp = yylval;
    1541             :   YY_IGNORE_MAYBE_UNINITIALIZED_END
    1542             : 
    1543             : 
    1544             :   /* Shift the error token.  */
    1545             :   YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
    1546             : 
    1547           0 :   yystate = yyn;
    1548           0 :   goto yynewstate;
    1549             : 
    1550             : 
    1551             : /*-------------------------------------.
    1552             : | yyacceptlab -- YYACCEPT comes here.  |
    1553             : `-------------------------------------*/
    1554        6802 : yyacceptlab:
    1555        6802 :   yyresult = 0;
    1556        6802 :   goto yyreturn;
    1557             : 
    1558             : 
    1559             : /*-----------------------------------.
    1560             : | yyabortlab -- YYABORT comes here.  |
    1561             : `-----------------------------------*/
    1562           0 : yyabortlab:
    1563           0 :   yyresult = 1;
    1564           0 :   goto yyreturn;
    1565             : 
    1566             : 
    1567             : #if !defined yyoverflow || YYERROR_VERBOSE
    1568             : /*-------------------------------------------------.
    1569             : | yyexhaustedlab -- memory exhaustion comes here.  |
    1570             : `-------------------------------------------------*/
    1571           0 : yyexhaustedlab:
    1572           0 :   yyerror (result, YY_("memory exhausted"));
    1573             :   yyresult = 2;
    1574             :   /* Fall through.  */
    1575             : #endif
    1576             : 
    1577             : 
    1578             : /*-----------------------------------------------------.
    1579             : | yyreturn -- parsing is finished, return the result.  |
    1580             : `-----------------------------------------------------*/
    1581        6802 : yyreturn:
    1582        6802 :   if (yychar != YYEMPTY)
    1583             :     {
    1584             :       /* Make sure we have latest lookahead translation.  See comments at
    1585             :          user semantic actions for why this is necessary.  */
    1586           0 :       yytoken = YYTRANSLATE (yychar);
    1587           0 :       yydestruct ("Cleanup: discarding lookahead",
    1588             :                   yytoken, &yylval, result);
    1589             :     }
    1590             :   /* Do not reclaim the symbols of the rule whose action triggered
    1591             :      this YYABORT or YYACCEPT.  */
    1592        6802 :   YYPOPSTACK (yylen);
    1593             :   YY_STACK_PRINT (yyss, yyssp);
    1594       20406 :   while (yyssp != yyss)
    1595             :     {
    1596       13604 :       yydestruct ("Cleanup: popping",
    1597       13604 :                   yystos[*yyssp], yyvsp, result);
    1598       13604 :       YYPOPSTACK (1);
    1599             :     }
    1600             : #ifndef yyoverflow
    1601        6802 :   if (yyss != yyssa)
    1602           0 :     YYSTACK_FREE (yyss);
    1603             : #endif
    1604             : #if YYERROR_VERBOSE
    1605             :   if (yymsg != yymsgbuf)
    1606             :     YYSTACK_FREE (yymsg);
    1607             : #endif
    1608        6802 :   return yyresult;
    1609             : }
    1610             : #line 161 "cubeparse.y" /* yacc.c:1918  */
    1611             : 
    1612             : 
    1613             : /* This assumes the string has been normalized by productions above */
    1614             : static int
    1615             : item_count(const char *s, char delim)
    1616             : {
    1617             :     int         nitems = 0;
    1618             : 
    1619             :     if (s[0] != '\0')
    1620             :     {
    1621             :         nitems++;
    1622             :         while ((s = strchr(s, delim)) != NULL)
    1623             :         {
    1624             :             nitems++;
    1625             :             s++;
    1626             :         }
    1627             :     }
    1628             :     return nitems;
    1629             : }
    1630             : 
    1631             : static NDBOX *
    1632             : write_box(int dim, char *str1, char *str2)
    1633             : {
    1634             :     NDBOX      *bp;
    1635             :     char       *s;
    1636             :     char       *endptr;
    1637             :     int         i;
    1638             :     int         size = CUBE_SIZE(dim);
    1639             :     bool        point = true;
    1640             : 
    1641             :     bp = palloc0(size);
    1642             :     SET_VARSIZE(bp, size);
    1643             :     SET_DIM(bp, dim);
    1644             : 
    1645             :     s = str1;
    1646             :     i = 0;
    1647             :     if (dim > 0)
    1648             :         bp->x[i++] = float8in_internal(s, &endptr, "cube", str1);
    1649             :     while ((s = strchr(s, ',')) != NULL)
    1650             :     {
    1651             :         s++;
    1652             :         bp->x[i++] = float8in_internal(s, &endptr, "cube", str1);
    1653             :     }
    1654             :     Assert(i == dim);
    1655             : 
    1656             :     s = str2;
    1657             :     if (dim > 0)
    1658             :     {
    1659             :         bp->x[i] = float8in_internal(s, &endptr, "cube", str2);
    1660             :         /* code this way to do right thing with NaN */
    1661             :         point &= (bp->x[i] == bp->x[0]);
    1662             :         i++;
    1663             :     }
    1664             :     while ((s = strchr(s, ',')) != NULL)
    1665             :     {
    1666             :         s++;
    1667             :         bp->x[i] = float8in_internal(s, &endptr, "cube", str2);
    1668             :         point &= (bp->x[i] == bp->x[i - dim]);
    1669             :         i++;
    1670             :     }
    1671             :     Assert(i == dim * 2);
    1672             : 
    1673             :     if (point)
    1674             :     {
    1675             :         /*
    1676             :          * The value turned out to be a point, ie. all the upper-right
    1677             :          * coordinates were equal to the lower-left coordinates. Resize the
    1678             :          * cube we constructed.  Note: we don't bother to repalloc() it
    1679             :          * smaller, as it's unlikely that the tiny amount of memory freed
    1680             :          * that way would be useful, and the output is always short-lived.
    1681             :          */
    1682             :         size = POINT_SIZE(dim);
    1683             :         SET_VARSIZE(bp, size);
    1684             :         SET_POINT_BIT(bp);
    1685             :     }
    1686             : 
    1687             :     return bp;
    1688             : }
    1689             : 
    1690             : static NDBOX *
    1691             : write_point_as_box(int dim, char *str)
    1692             : {
    1693             :     NDBOX       *bp;
    1694             :     int         i,
    1695             :                 size;
    1696             :     char       *s;
    1697             :     char       *endptr;
    1698             : 
    1699             :     size = POINT_SIZE(dim);
    1700             :     bp = palloc0(size);
    1701             :     SET_VARSIZE(bp, size);
    1702             :     SET_DIM(bp, dim);
    1703             :     SET_POINT_BIT(bp);
    1704             : 
    1705             :     s = str;
    1706             :     i = 0;
    1707             :     if (dim > 0)
    1708             :         bp->x[i++] = float8in_internal(s, &endptr, "cube", str);
    1709             :     while ((s = strchr(s, ',')) != NULL)
    1710             :     {
    1711             :         s++;
    1712             :         bp->x[i++] = float8in_internal(s, &endptr, "cube", str);
    1713             :     }
    1714             :     Assert(i == dim);
    1715             : 
    1716             :     return bp;
    1717             : }
    1718             : 
    1719             : #include "cubescan.c"

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