LCOV - code coverage report
Current view: top level - contrib/seg - segparse.c (source / functions) Hit Total Coverage
Test: PostgreSQL 13beta1 Lines: 92 148 62.2 %
Date: 2020-05-25 06:06:29 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         seg_yyparse
      68             : #define yylex           seg_yylex
      69             : #define yyerror         seg_yyerror
      70             : #define yydebug         seg_yydebug
      71             : #define yynerrs         seg_yynerrs
      72             : 
      73             : #define yylval          seg_yylval
      74             : #define yychar          seg_yychar
      75             : 
      76             : /* First part of user prologue.  */
      77             : #line 1 "segparse.y" /* yacc.c:337  */
      78             : 
      79             : /* contrib/seg/segparse.y */
      80             : 
      81             : #include "postgres.h"
      82             : 
      83             : #include <math.h>
      84             : 
      85             : #include "fmgr.h"
      86             : #include "utils/builtins.h"
      87             : 
      88             : #include "segdata.h"
      89             : 
      90             : /*
      91             :  * Bison doesn't allocate anything that needs to live across parser calls,
      92             :  * so we can easily have it use palloc instead of malloc.  This prevents
      93             :  * memory leaks if we error out during parsing.  Note this only works with
      94             :  * bison >= 2.0.  However, in bison 1.875 the default is to use alloca()
      95             :  * if possible, so there's not really much problem anyhow, at least if
      96             :  * you're building with gcc.
      97             :  */
      98             : #define YYMALLOC palloc
      99             : #define YYFREE   pfree
     100             : 
     101             : static float seg_atof(const char *value);
     102             : 
     103             : static char strbuf[25] = {
     104             :     '0', '0', '0', '0', '0',
     105             :     '0', '0', '0', '0', '0',
     106             :     '0', '0', '0', '0', '0',
     107             :     '0', '0', '0', '0', '0',
     108             :     '0', '0', '0', '0', '\0'
     109             : };
     110             : 
     111             : 
     112             : #line 113 "segparse.c" /* yacc.c:337  */
     113             : # ifndef YY_NULLPTR
     114             : #  if defined __cplusplus
     115             : #   if 201103L <= __cplusplus
     116             : #    define YY_NULLPTR nullptr
     117             : #   else
     118             : #    define YY_NULLPTR 0
     119             : #   endif
     120             : #  else
     121             : #   define YY_NULLPTR ((void*)0)
     122             : #  endif
     123             : # endif
     124             : 
     125             : /* Enabling verbose error messages.  */
     126             : #ifdef YYERROR_VERBOSE
     127             : # undef YYERROR_VERBOSE
     128             : # define YYERROR_VERBOSE 1
     129             : #else
     130             : # define YYERROR_VERBOSE 0
     131             : #endif
     132             : 
     133             : 
     134             : /* Debug traces.  */
     135             : #ifndef YYDEBUG
     136             : # define YYDEBUG 0
     137             : #endif
     138             : #if YYDEBUG
     139             : extern int seg_yydebug;
     140             : #endif
     141             : 
     142             : /* Token type.  */
     143             : #ifndef YYTOKENTYPE
     144             : # define YYTOKENTYPE
     145             :   enum yytokentype
     146             :   {
     147             :     SEGFLOAT = 258,
     148             :     RANGE = 259,
     149             :     PLUMIN = 260,
     150             :     EXTENSION = 261
     151             :   };
     152             : #endif
     153             : 
     154             : /* Value type.  */
     155             : #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
     156             : 
     157             : union YYSTYPE
     158             : {
     159             : #line 41 "segparse.y" /* yacc.c:352  */
     160             : 
     161             :     struct BND {
     162             :         float val;
     163             :         char  ext;
     164             :         char  sigd;
     165             :     } bnd;
     166             :     char * text;
     167             : 
     168             : #line 169 "segparse.c" /* yacc.c:352  */
     169             : };
     170             : 
     171             : typedef union YYSTYPE YYSTYPE;
     172             : # define YYSTYPE_IS_TRIVIAL 1
     173             : # define YYSTYPE_IS_DECLARED 1
     174             : #endif
     175             : 
     176             : 
     177             : extern YYSTYPE seg_yylval;
     178             : 
     179             : int seg_yyparse (SEG *result);
     180             : 
     181             : 
     182             : 
     183             : 
     184             : 
     185             : #ifdef short
     186             : # undef short
     187             : #endif
     188             : 
     189             : #ifdef YYTYPE_UINT8
     190             : typedef YYTYPE_UINT8 yytype_uint8;
     191             : #else
     192             : typedef unsigned char yytype_uint8;
     193             : #endif
     194             : 
     195             : #ifdef YYTYPE_INT8
     196             : typedef YYTYPE_INT8 yytype_int8;
     197             : #else
     198             : typedef signed char yytype_int8;
     199             : #endif
     200             : 
     201             : #ifdef YYTYPE_UINT16
     202             : typedef YYTYPE_UINT16 yytype_uint16;
     203             : #else
     204             : typedef unsigned short yytype_uint16;
     205             : #endif
     206             : 
     207             : #ifdef YYTYPE_INT16
     208             : typedef YYTYPE_INT16 yytype_int16;
     209             : #else
     210             : typedef short yytype_int16;
     211             : #endif
     212             : 
     213             : #ifndef YYSIZE_T
     214             : # ifdef __SIZE_TYPE__
     215             : #  define YYSIZE_T __SIZE_TYPE__
     216             : # elif defined size_t
     217             : #  define YYSIZE_T size_t
     218             : # elif ! defined YYSIZE_T
     219             : #  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
     220             : #  define YYSIZE_T size_t
     221             : # else
     222             : #  define YYSIZE_T unsigned
     223             : # endif
     224             : #endif
     225             : 
     226             : #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
     227             : 
     228             : #ifndef YY_
     229             : # if defined YYENABLE_NLS && YYENABLE_NLS
     230             : #  if ENABLE_NLS
     231             : #   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
     232             : #   define YY_(Msgid) dgettext ("bison-runtime", Msgid)
     233             : #  endif
     234             : # endif
     235             : # ifndef YY_
     236             : #  define YY_(Msgid) Msgid
     237             : # endif
     238             : #endif
     239             : 
     240             : #ifndef YY_ATTRIBUTE
     241             : # if (defined __GNUC__                                               \
     242             :       && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__)))  \
     243             :      || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C
     244             : #  define YY_ATTRIBUTE(Spec) __attribute__(Spec)
     245             : # else
     246             : #  define YY_ATTRIBUTE(Spec) /* empty */
     247             : # endif
     248             : #endif
     249             : 
     250             : #ifndef YY_ATTRIBUTE_PURE
     251             : # define YY_ATTRIBUTE_PURE   YY_ATTRIBUTE ((__pure__))
     252             : #endif
     253             : 
     254             : #ifndef YY_ATTRIBUTE_UNUSED
     255             : # define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__))
     256             : #endif
     257             : 
     258             : /* Suppress unused-variable warnings by "using" E.  */
     259             : #if ! defined lint || defined __GNUC__
     260             : # define YYUSE(E) ((void) (E))
     261             : #else
     262             : # define YYUSE(E) /* empty */
     263             : #endif
     264             : 
     265             : #if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
     266             : /* Suppress an incorrect diagnostic about yylval being uninitialized.  */
     267             : # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
     268             :     _Pragma ("GCC diagnostic push") \
     269             :     _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
     270             :     _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
     271             : # define YY_IGNORE_MAYBE_UNINITIALIZED_END \
     272             :     _Pragma ("GCC diagnostic pop")
     273             : #else
     274             : # define YY_INITIAL_VALUE(Value) Value
     275             : #endif
     276             : #ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
     277             : # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
     278             : # define YY_IGNORE_MAYBE_UNINITIALIZED_END
     279             : #endif
     280             : #ifndef YY_INITIAL_VALUE
     281             : # define YY_INITIAL_VALUE(Value) /* Nothing. */
     282             : #endif
     283             : 
     284             : 
     285             : #if ! defined yyoverflow || YYERROR_VERBOSE
     286             : 
     287             : /* The parser invokes alloca or malloc; define the necessary symbols.  */
     288             : 
     289             : # ifdef YYSTACK_USE_ALLOCA
     290             : #  if YYSTACK_USE_ALLOCA
     291             : #   ifdef __GNUC__
     292             : #    define YYSTACK_ALLOC __builtin_alloca
     293             : #   elif defined __BUILTIN_VA_ARG_INCR
     294             : #    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
     295             : #   elif defined _AIX
     296             : #    define YYSTACK_ALLOC __alloca
     297             : #   elif defined _MSC_VER
     298             : #    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
     299             : #    define alloca _alloca
     300             : #   else
     301             : #    define YYSTACK_ALLOC alloca
     302             : #    if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
     303             : #     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
     304             :       /* Use EXIT_SUCCESS as a witness for stdlib.h.  */
     305             : #     ifndef EXIT_SUCCESS
     306             : #      define EXIT_SUCCESS 0
     307             : #     endif
     308             : #    endif
     309             : #   endif
     310             : #  endif
     311             : # endif
     312             : 
     313             : # ifdef YYSTACK_ALLOC
     314             :    /* Pacify GCC's 'empty if-body' warning.  */
     315             : #  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
     316             : #  ifndef YYSTACK_ALLOC_MAXIMUM
     317             :     /* The OS might guarantee only one guard page at the bottom of the stack,
     318             :        and a page size can be as small as 4096 bytes.  So we cannot safely
     319             :        invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
     320             :        to allow for a few compiler-allocated temporary stack slots.  */
     321             : #   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
     322             : #  endif
     323             : # else
     324             : #  define YYSTACK_ALLOC YYMALLOC
     325             : #  define YYSTACK_FREE YYFREE
     326             : #  ifndef YYSTACK_ALLOC_MAXIMUM
     327             : #   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
     328             : #  endif
     329             : #  if (defined __cplusplus && ! defined EXIT_SUCCESS \
     330             :        && ! ((defined YYMALLOC || defined malloc) \
     331             :              && (defined YYFREE || defined free)))
     332             : #   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
     333             : #   ifndef EXIT_SUCCESS
     334             : #    define EXIT_SUCCESS 0
     335             : #   endif
     336             : #  endif
     337             : #  ifndef YYMALLOC
     338             : #   define YYMALLOC malloc
     339             : #   if ! defined malloc && ! defined EXIT_SUCCESS
     340             : void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
     341             : #   endif
     342             : #  endif
     343             : #  ifndef YYFREE
     344             : #   define YYFREE free
     345             : #   if ! defined free && ! defined EXIT_SUCCESS
     346             : void free (void *); /* INFRINGES ON USER NAME SPACE */
     347             : #   endif
     348             : #  endif
     349             : # endif
     350             : #endif /* ! defined yyoverflow || YYERROR_VERBOSE */
     351             : 
     352             : 
     353             : #if (! defined yyoverflow \
     354             :      && (! defined __cplusplus \
     355             :          || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
     356             : 
     357             : /* A type that is properly aligned for any stack member.  */
     358             : union yyalloc
     359             : {
     360             :   yytype_int16 yyss_alloc;
     361             :   YYSTYPE yyvs_alloc;
     362             : };
     363             : 
     364             : /* The size of the maximum gap between one aligned stack and the next.  */
     365             : # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
     366             : 
     367             : /* The size of an array large to enough to hold all stacks, each with
     368             :    N elements.  */
     369             : # define YYSTACK_BYTES(N) \
     370             :      ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
     371             :       + YYSTACK_GAP_MAXIMUM)
     372             : 
     373             : # define YYCOPY_NEEDED 1
     374             : 
     375             : /* Relocate STACK from its old location to the new one.  The
     376             :    local variables YYSIZE and YYSTACKSIZE give the old and new number of
     377             :    elements in the stack, and YYPTR gives the new location of the
     378             :    stack.  Advance YYPTR to a properly aligned location for the next
     379             :    stack.  */
     380             : # define YYSTACK_RELOCATE(Stack_alloc, Stack)                           \
     381             :     do                                                                  \
     382             :       {                                                                 \
     383             :         YYSIZE_T yynewbytes;                                            \
     384             :         YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
     385             :         Stack = &yyptr->Stack_alloc;                                    \
     386             :         yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
     387             :         yyptr += yynewbytes / sizeof (*yyptr);                          \
     388             :       }                                                                 \
     389             :     while (0)
     390             : 
     391             : #endif
     392             : 
     393             : #if defined YYCOPY_NEEDED && YYCOPY_NEEDED
     394             : /* Copy COUNT objects from SRC to DST.  The source and destination do
     395             :    not overlap.  */
     396             : # ifndef YYCOPY
     397             : #  if defined __GNUC__ && 1 < __GNUC__
     398             : #   define YYCOPY(Dst, Src, Count) \
     399             :       __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
     400             : #  else
     401             : #   define YYCOPY(Dst, Src, Count)              \
     402             :       do                                        \
     403             :         {                                       \
     404             :           YYSIZE_T yyi;                         \
     405             :           for (yyi = 0; yyi < (Count); yyi++)   \
     406             :             (Dst)[yyi] = (Src)[yyi];            \
     407             :         }                                       \
     408             :       while (0)
     409             : #  endif
     410             : # endif
     411             : #endif /* !YYCOPY_NEEDED */
     412             : 
     413             : /* YYFINAL -- State number of the termination state.  */
     414             : #define YYFINAL  8
     415             : /* YYLAST -- Last index in YYTABLE.  */
     416             : #define YYLAST   12
     417             : 
     418             : /* YYNTOKENS -- Number of terminals.  */
     419             : #define YYNTOKENS  7
     420             : /* YYNNTS -- Number of nonterminals.  */
     421             : #define YYNNTS  4
     422             : /* YYNRULES -- Number of rules.  */
     423             : #define YYNRULES  9
     424             : /* YYNSTATES -- Number of states.  */
     425             : #define YYNSTATES  14
     426             : 
     427             : #define YYUNDEFTOK  2
     428             : #define YYMAXUTOK   261
     429             : 
     430             : /* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
     431             :    as returned by yylex, with out-of-bounds checking.  */
     432             : #define YYTRANSLATE(YYX)                                                \
     433             :   ((unsigned) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
     434             : 
     435             : /* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
     436             :    as returned by yylex.  */
     437             : static const yytype_uint8 yytranslate[] =
     438             : {
     439             :        0,     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,     2,     2,     2,     2,
     451             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     452             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     453             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     454             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     455             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     456             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     457             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     458             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     459             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     460             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     461             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     462             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     463             :        2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     464             :        2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
     465             :        5,     6
     466             : };
     467             : 
     468             : #if YYDEBUG
     469             :   /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
     470             : static const yytype_uint8 yyrline[] =
     471             : {
     472             :        0,    61,    61,    73,    91,   101,   111,   119,   128,   139
     473             : };
     474             : #endif
     475             : 
     476             : #if YYDEBUG || YYERROR_VERBOSE || 0
     477             : /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
     478             :    First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
     479             : static const char *const yytname[] =
     480             : {
     481             :   "$end", "error", "$undefined", "SEGFLOAT", "RANGE", "PLUMIN",
     482             :   "EXTENSION", "$accept", "range", "boundary", "deviation", YY_NULLPTR
     483             : };
     484             : #endif
     485             : 
     486             : # ifdef YYPRINT
     487             : /* YYTOKNUM[NUM] -- (External) token number corresponding to the
     488             :    (internal) symbol number NUM (which must be that of a token).  */
     489             : static const yytype_uint16 yytoknum[] =
     490             : {
     491             :        0,   256,   257,   258,   259,   260,   261
     492             : };
     493             : # endif
     494             : 
     495             : #define YYPACT_NINF -3
     496             : 
     497             : #define yypact_value_is_default(Yystate) \
     498             :   (!!((Yystate) == (-3)))
     499             : 
     500             : #define YYTABLE_NINF -1
     501             : 
     502             : #define yytable_value_is_error(Yytable_value) \
     503             :   0
     504             : 
     505             :   /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
     506             :      STATE-NUM.  */
     507             : static const yytype_int8 yypact[] =
     508             : {
     509             :       -1,    -3,     3,     1,     8,     6,    -3,    -3,    -3,     3,
     510             :        9,    -3,    -3,    -3
     511             : };
     512             : 
     513             :   /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
     514             :      Performed when YYTABLE does not specify something else to do.  Zero
     515             :      means the default is an error.  */
     516             : static const yytype_uint8 yydefact[] =
     517             : {
     518             :        0,     7,     0,     0,     0,     6,     5,     8,     1,     4,
     519             :        0,     3,     9,     2
     520             : };
     521             : 
     522             :   /* YYPGOTO[NTERM-NUM].  */
     523             : static const yytype_int8 yypgoto[] =
     524             : {
     525             :       -3,    -3,    -2,    -3
     526             : };
     527             : 
     528             :   /* YYDEFGOTO[NTERM-NUM].  */
     529             : static const yytype_int8 yydefgoto[] =
     530             : {
     531             :       -1,     4,     5,    13
     532             : };
     533             : 
     534             :   /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
     535             :      positive, shift that token.  If negative, reduce the rule whose
     536             :      number is the opposite.  If YYTABLE_NINF, syntax error.  */
     537             : static const yytype_uint8 yytable[] =
     538             : {
     539             :        6,     0,     1,     2,     7,     3,     1,    11,     8,     3,
     540             :        9,    10,    12
     541             : };
     542             : 
     543             : static const yytype_int8 yycheck[] =
     544             : {
     545             :        2,    -1,     3,     4,     3,     6,     3,     9,     0,     6,
     546             :        4,     5,     3
     547             : };
     548             : 
     549             :   /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
     550             :      symbol of state STATE-NUM.  */
     551             : static const yytype_uint8 yystos[] =
     552             : {
     553             :        0,     3,     4,     6,     8,     9,     9,     3,     0,     4,
     554             :        5,     9,     3,    10
     555             : };
     556             : 
     557             :   /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
     558             : static const yytype_uint8 yyr1[] =
     559             : {
     560             :        0,     7,     8,     8,     8,     8,     8,     9,     9,    10
     561             : };
     562             : 
     563             :   /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.  */
     564             : static const yytype_uint8 yyr2[] =
     565             : {
     566             :        0,     2,     3,     3,     2,     2,     1,     1,     2,     1
     567             : };
     568             : 
     569             : 
     570             : #define yyerrok         (yyerrstatus = 0)
     571             : #define yyclearin       (yychar = YYEMPTY)
     572             : #define YYEMPTY         (-2)
     573             : #define YYEOF           0
     574             : 
     575             : #define YYACCEPT        goto yyacceptlab
     576             : #define YYABORT         goto yyabortlab
     577             : #define YYERROR         goto yyerrorlab
     578             : 
     579             : 
     580             : #define YYRECOVERING()  (!!yyerrstatus)
     581             : 
     582             : #define YYBACKUP(Token, Value)                                    \
     583             :   do                                                              \
     584             :     if (yychar == YYEMPTY)                                        \
     585             :       {                                                           \
     586             :         yychar = (Token);                                         \
     587             :         yylval = (Value);                                         \
     588             :         YYPOPSTACK (yylen);                                       \
     589             :         yystate = *yyssp;                                         \
     590             :         goto yybackup;                                            \
     591             :       }                                                           \
     592             :     else                                                          \
     593             :       {                                                           \
     594             :         yyerror (result, YY_("syntax error: cannot back up")); \
     595             :         YYERROR;                                                  \
     596             :       }                                                           \
     597             :   while (0)
     598             : 
     599             : /* Error token number */
     600             : #define YYTERROR        1
     601             : #define YYERRCODE       256
     602             : 
     603             : 
     604             : 
     605             : /* Enable debugging if requested.  */
     606             : #if YYDEBUG
     607             : 
     608             : # ifndef YYFPRINTF
     609             : #  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
     610             : #  define YYFPRINTF fprintf
     611             : # endif
     612             : 
     613             : # define YYDPRINTF(Args)                        \
     614             : do {                                            \
     615             :   if (yydebug)                                  \
     616             :     YYFPRINTF Args;                             \
     617             : } while (0)
     618             : 
     619             : /* This macro is provided for backward compatibility. */
     620             : #ifndef YY_LOCATION_PRINT
     621             : # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
     622             : #endif
     623             : 
     624             : 
     625             : # define YY_SYMBOL_PRINT(Title, Type, Value, Location)                    \
     626             : do {                                                                      \
     627             :   if (yydebug)                                                            \
     628             :     {                                                                     \
     629             :       YYFPRINTF (stderr, "%s ", Title);                                   \
     630             :       yy_symbol_print (stderr,                                            \
     631             :                   Type, Value, result); \
     632             :       YYFPRINTF (stderr, "\n");                                           \
     633             :     }                                                                     \
     634             : } while (0)
     635             : 
     636             : 
     637             : /*-----------------------------------.
     638             : | Print this symbol's value on YYO.  |
     639             : `-----------------------------------*/
     640             : 
     641             : static void
     642             : yy_symbol_value_print (FILE *yyo, int yytype, YYSTYPE const * const yyvaluep, SEG *result)
     643             : {
     644             :   FILE *yyoutput = yyo;
     645             :   YYUSE (yyoutput);
     646             :   YYUSE (result);
     647             :   if (!yyvaluep)
     648             :     return;
     649             : # ifdef YYPRINT
     650             :   if (yytype < YYNTOKENS)
     651             :     YYPRINT (yyo, yytoknum[yytype], *yyvaluep);
     652             : # endif
     653             :   YYUSE (yytype);
     654             : }
     655             : 
     656             : 
     657             : /*---------------------------.
     658             : | Print this symbol on YYO.  |
     659             : `---------------------------*/
     660             : 
     661             : static void
     662             : yy_symbol_print (FILE *yyo, int yytype, YYSTYPE const * const yyvaluep, SEG *result)
     663             : {
     664             :   YYFPRINTF (yyo, "%s %s (",
     665             :              yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]);
     666             : 
     667             :   yy_symbol_value_print (yyo, yytype, yyvaluep, result);
     668             :   YYFPRINTF (yyo, ")");
     669             : }
     670             : 
     671             : /*------------------------------------------------------------------.
     672             : | yy_stack_print -- Print the state stack from its BOTTOM up to its |
     673             : | TOP (included).                                                   |
     674             : `------------------------------------------------------------------*/
     675             : 
     676             : static void
     677             : yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
     678             : {
     679             :   YYFPRINTF (stderr, "Stack now");
     680             :   for (; yybottom <= yytop; yybottom++)
     681             :     {
     682             :       int yybot = *yybottom;
     683             :       YYFPRINTF (stderr, " %d", yybot);
     684             :     }
     685             :   YYFPRINTF (stderr, "\n");
     686             : }
     687             : 
     688             : # define YY_STACK_PRINT(Bottom, Top)                            \
     689             : do {                                                            \
     690             :   if (yydebug)                                                  \
     691             :     yy_stack_print ((Bottom), (Top));                           \
     692             : } while (0)
     693             : 
     694             : 
     695             : /*------------------------------------------------.
     696             : | Report that the YYRULE is going to be reduced.  |
     697             : `------------------------------------------------*/
     698             : 
     699             : static void
     700             : yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule, SEG *result)
     701             : {
     702             :   unsigned long yylno = yyrline[yyrule];
     703             :   int yynrhs = yyr2[yyrule];
     704             :   int yyi;
     705             :   YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
     706             :              yyrule - 1, yylno);
     707             :   /* The symbols being reduced.  */
     708             :   for (yyi = 0; yyi < yynrhs; yyi++)
     709             :     {
     710             :       YYFPRINTF (stderr, "   $%d = ", yyi + 1);
     711             :       yy_symbol_print (stderr,
     712             :                        yystos[yyssp[yyi + 1 - yynrhs]],
     713             :                        &yyvsp[(yyi + 1) - (yynrhs)]
     714             :                                               , result);
     715             :       YYFPRINTF (stderr, "\n");
     716             :     }
     717             : }
     718             : 
     719             : # define YY_REDUCE_PRINT(Rule)          \
     720             : do {                                    \
     721             :   if (yydebug)                          \
     722             :     yy_reduce_print (yyssp, yyvsp, Rule, result); \
     723             : } while (0)
     724             : 
     725             : /* Nonzero means print parse trace.  It is left uninitialized so that
     726             :    multiple parsers can coexist.  */
     727             : int yydebug;
     728             : #else /* !YYDEBUG */
     729             : # define YYDPRINTF(Args)
     730             : # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
     731             : # define YY_STACK_PRINT(Bottom, Top)
     732             : # define YY_REDUCE_PRINT(Rule)
     733             : #endif /* !YYDEBUG */
     734             : 
     735             : 
     736             : /* YYINITDEPTH -- initial size of the parser's stacks.  */
     737             : #ifndef YYINITDEPTH
     738             : # define YYINITDEPTH 200
     739             : #endif
     740             : 
     741             : /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
     742             :    if the built-in stack extension method is used).
     743             : 
     744             :    Do not make this value too large; the results are undefined if
     745             :    YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
     746             :    evaluated with infinite-precision integer arithmetic.  */
     747             : 
     748             : #ifndef YYMAXDEPTH
     749             : # define YYMAXDEPTH 10000
     750             : #endif
     751             : 
     752             : 
     753             : #if YYERROR_VERBOSE
     754             : 
     755             : # ifndef yystrlen
     756             : #  if defined __GLIBC__ && defined _STRING_H
     757             : #   define yystrlen strlen
     758             : #  else
     759             : /* Return the length of YYSTR.  */
     760             : static YYSIZE_T
     761             : yystrlen (const char *yystr)
     762             : {
     763             :   YYSIZE_T yylen;
     764             :   for (yylen = 0; yystr[yylen]; yylen++)
     765             :     continue;
     766             :   return yylen;
     767             : }
     768             : #  endif
     769             : # endif
     770             : 
     771             : # ifndef yystpcpy
     772             : #  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
     773             : #   define yystpcpy stpcpy
     774             : #  else
     775             : /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
     776             :    YYDEST.  */
     777             : static char *
     778             : yystpcpy (char *yydest, const char *yysrc)
     779             : {
     780             :   char *yyd = yydest;
     781             :   const char *yys = yysrc;
     782             : 
     783             :   while ((*yyd++ = *yys++) != '\0')
     784             :     continue;
     785             : 
     786             :   return yyd - 1;
     787             : }
     788             : #  endif
     789             : # endif
     790             : 
     791             : # ifndef yytnamerr
     792             : /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
     793             :    quotes and backslashes, so that it's suitable for yyerror.  The
     794             :    heuristic is that double-quoting is unnecessary unless the string
     795             :    contains an apostrophe, a comma, or backslash (other than
     796             :    backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
     797             :    null, do not copy; instead, return the length of what the result
     798             :    would have been.  */
     799             : static YYSIZE_T
     800             : yytnamerr (char *yyres, const char *yystr)
     801             : {
     802             :   if (*yystr == '"')
     803             :     {
     804             :       YYSIZE_T yyn = 0;
     805             :       char const *yyp = yystr;
     806             : 
     807             :       for (;;)
     808             :         switch (*++yyp)
     809             :           {
     810             :           case '\'':
     811             :           case ',':
     812             :             goto do_not_strip_quotes;
     813             : 
     814             :           case '\\':
     815             :             if (*++yyp != '\\')
     816             :               goto do_not_strip_quotes;
     817             :             else
     818             :               goto append;
     819             : 
     820             :           append:
     821             :           default:
     822             :             if (yyres)
     823             :               yyres[yyn] = *yyp;
     824             :             yyn++;
     825             :             break;
     826             : 
     827             :           case '"':
     828             :             if (yyres)
     829             :               yyres[yyn] = '\0';
     830             :             return yyn;
     831             :           }
     832             :     do_not_strip_quotes: ;
     833             :     }
     834             : 
     835             :   if (! yyres)
     836             :     return yystrlen (yystr);
     837             : 
     838             :   return (YYSIZE_T) (yystpcpy (yyres, yystr) - yyres);
     839             : }
     840             : # endif
     841             : 
     842             : /* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message
     843             :    about the unexpected token YYTOKEN for the state stack whose top is
     844             :    YYSSP.
     845             : 
     846             :    Return 0 if *YYMSG was successfully written.  Return 1 if *YYMSG is
     847             :    not large enough to hold the message.  In that case, also set
     848             :    *YYMSG_ALLOC to the required number of bytes.  Return 2 if the
     849             :    required number of bytes is too large to store.  */
     850             : static int
     851             : yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg,
     852             :                 yytype_int16 *yyssp, int yytoken)
     853             : {
     854             :   YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]);
     855             :   YYSIZE_T yysize = yysize0;
     856             :   enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
     857             :   /* Internationalized format string. */
     858             :   const char *yyformat = YY_NULLPTR;
     859             :   /* Arguments of yyformat. */
     860             :   char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
     861             :   /* Number of reported tokens (one for the "unexpected", one per
     862             :      "expected"). */
     863             :   int yycount = 0;
     864             : 
     865             :   /* There are many possibilities here to consider:
     866             :      - If this state is a consistent state with a default action, then
     867             :        the only way this function was invoked is if the default action
     868             :        is an error action.  In that case, don't check for expected
     869             :        tokens because there are none.
     870             :      - The only way there can be no lookahead present (in yychar) is if
     871             :        this state is a consistent state with a default action.  Thus,
     872             :        detecting the absence of a lookahead is sufficient to determine
     873             :        that there is no unexpected or expected token to report.  In that
     874             :        case, just report a simple "syntax error".
     875             :      - Don't assume there isn't a lookahead just because this state is a
     876             :        consistent state with a default action.  There might have been a
     877             :        previous inconsistent state, consistent state with a non-default
     878             :        action, or user semantic action that manipulated yychar.
     879             :      - Of course, the expected token list depends on states to have
     880             :        correct lookahead information, and it depends on the parser not
     881             :        to perform extra reductions after fetching a lookahead from the
     882             :        scanner and before detecting a syntax error.  Thus, state merging
     883             :        (from LALR or IELR) and default reductions corrupt the expected
     884             :        token list.  However, the list is correct for canonical LR with
     885             :        one exception: it will still contain any token that will not be
     886             :        accepted due to an error action in a later state.
     887             :   */
     888             :   if (yytoken != YYEMPTY)
     889             :     {
     890             :       int yyn = yypact[*yyssp];
     891             :       yyarg[yycount++] = yytname[yytoken];
     892             :       if (!yypact_value_is_default (yyn))
     893             :         {
     894             :           /* Start YYX at -YYN if negative to avoid negative indexes in
     895             :              YYCHECK.  In other words, skip the first -YYN actions for
     896             :              this state because they are default actions.  */
     897             :           int yyxbegin = yyn < 0 ? -yyn : 0;
     898             :           /* Stay within bounds of both yycheck and yytname.  */
     899             :           int yychecklim = YYLAST - yyn + 1;
     900             :           int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
     901             :           int yyx;
     902             : 
     903             :           for (yyx = yyxbegin; yyx < yyxend; ++yyx)
     904             :             if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR
     905             :                 && !yytable_value_is_error (yytable[yyx + yyn]))
     906             :               {
     907             :                 if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
     908             :                   {
     909             :                     yycount = 1;
     910             :                     yysize = yysize0;
     911             :                     break;
     912             :                   }
     913             :                 yyarg[yycount++] = yytname[yyx];
     914             :                 {
     915             :                   YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]);
     916             :                   if (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)
     917             :                     yysize = yysize1;
     918             :                   else
     919             :                     return 2;
     920             :                 }
     921             :               }
     922             :         }
     923             :     }
     924             : 
     925             :   switch (yycount)
     926             :     {
     927             : # define YYCASE_(N, S)                      \
     928             :       case N:                               \
     929             :         yyformat = S;                       \
     930             :       break
     931             :     default: /* Avoid compiler warnings. */
     932             :       YYCASE_(0, YY_("syntax error"));
     933             :       YYCASE_(1, YY_("syntax error, unexpected %s"));
     934             :       YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
     935             :       YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
     936             :       YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
     937             :       YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
     938             : # undef YYCASE_
     939             :     }
     940             : 
     941             :   {
     942             :     YYSIZE_T yysize1 = yysize + yystrlen (yyformat);
     943             :     if (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)
     944             :       yysize = yysize1;
     945             :     else
     946             :       return 2;
     947             :   }
     948             : 
     949             :   if (*yymsg_alloc < yysize)
     950             :     {
     951             :       *yymsg_alloc = 2 * yysize;
     952             :       if (! (yysize <= *yymsg_alloc
     953             :              && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM))
     954             :         *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM;
     955             :       return 1;
     956             :     }
     957             : 
     958             :   /* Avoid sprintf, as that infringes on the user's name space.
     959             :      Don't have undefined behavior even if the translation
     960             :      produced a string with the wrong number of "%s"s.  */
     961             :   {
     962             :     char *yyp = *yymsg;
     963             :     int yyi = 0;
     964             :     while ((*yyp = *yyformat) != '\0')
     965             :       if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
     966             :         {
     967             :           yyp += yytnamerr (yyp, yyarg[yyi++]);
     968             :           yyformat += 2;
     969             :         }
     970             :       else
     971             :         {
     972             :           yyp++;
     973             :           yyformat++;
     974             :         }
     975             :   }
     976             :   return 0;
     977             : }
     978             : #endif /* YYERROR_VERBOSE */
     979             : 
     980             : /*-----------------------------------------------.
     981             : | Release the memory associated to this symbol.  |
     982             : `-----------------------------------------------*/
     983             : 
     984             : static void
     985       11204 : yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, SEG *result)
     986             : {
     987             :   YYUSE (yyvaluep);
     988             :   YYUSE (result);
     989       11204 :   if (!yymsg)
     990           0 :     yymsg = "Deleting";
     991             :   YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
     992             : 
     993             :   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
     994             :   YYUSE (yytype);
     995             :   YY_IGNORE_MAYBE_UNINITIALIZED_END
     996       11204 : }
     997             : 
     998             : 
     999             : 
    1000             : 
    1001             : /* The lookahead symbol.  */
    1002             : int yychar;
    1003             : 
    1004             : /* The semantic value of the lookahead symbol.  */
    1005             : YYSTYPE yylval;
    1006             : /* Number of syntax errors so far.  */
    1007             : int yynerrs;
    1008             : 
    1009             : 
    1010             : /*----------.
    1011             : | yyparse.  |
    1012             : `----------*/
    1013             : 
    1014             : int
    1015        5620 : yyparse (SEG *result)
    1016             : {
    1017             :     int yystate;
    1018             :     /* Number of tokens to shift before error messages enabled.  */
    1019             :     int yyerrstatus;
    1020             : 
    1021             :     /* The stacks and their tools:
    1022             :        'yyss': related to states.
    1023             :        'yyvs': related to semantic values.
    1024             : 
    1025             :        Refer to the stacks through separate pointers, to allow yyoverflow
    1026             :        to reallocate them elsewhere.  */
    1027             : 
    1028             :     /* The state stack.  */
    1029             :     yytype_int16 yyssa[YYINITDEPTH];
    1030             :     yytype_int16 *yyss;
    1031             :     yytype_int16 *yyssp;
    1032             : 
    1033             :     /* The semantic value stack.  */
    1034             :     YYSTYPE yyvsa[YYINITDEPTH];
    1035             :     YYSTYPE *yyvs;
    1036             :     YYSTYPE *yyvsp;
    1037             : 
    1038             :     YYSIZE_T yystacksize;
    1039             : 
    1040             :   int yyn;
    1041             :   int yyresult;
    1042             :   /* Lookahead token as an internal (translated) token number.  */
    1043        5620 :   int yytoken = 0;
    1044             :   /* The variables used to return semantic value and location from the
    1045             :      action routines.  */
    1046             :   YYSTYPE yyval;
    1047             : 
    1048             : #if YYERROR_VERBOSE
    1049             :   /* Buffer for error messages, and its allocated size.  */
    1050             :   char yymsgbuf[128];
    1051             :   char *yymsg = yymsgbuf;
    1052             :   YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
    1053             : #endif
    1054             : 
    1055             : #define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
    1056             : 
    1057             :   /* The number of symbols on the RHS of the reduced rule.
    1058             :      Keep to zero when no symbol should be popped.  */
    1059        5620 :   int yylen = 0;
    1060             : 
    1061        5620 :   yyssp = yyss = yyssa;
    1062        5620 :   yyvsp = yyvs = yyvsa;
    1063        5620 :   yystacksize = YYINITDEPTH;
    1064             : 
    1065             :   YYDPRINTF ((stderr, "Starting parse\n"));
    1066             : 
    1067        5620 :   yystate = 0;
    1068        5620 :   yyerrstatus = 0;
    1069        5620 :   yynerrs = 0;
    1070        5620 :   yychar = YYEMPTY; /* Cause a token to be read.  */
    1071        5620 :   goto yysetstate;
    1072             : 
    1073             : 
    1074             : /*------------------------------------------------------------.
    1075             : | yynewstate -- push a new state, which is found in yystate.  |
    1076             : `------------------------------------------------------------*/
    1077       39188 : yynewstate:
    1078             :   /* In all cases, when you get here, the value and location stacks
    1079             :      have just been pushed.  So pushing a state here evens the stacks.  */
    1080       39188 :   yyssp++;
    1081             : 
    1082             : 
    1083             : /*--------------------------------------------------------------------.
    1084             : | yynewstate -- set current state (the top of the stack) to yystate.  |
    1085             : `--------------------------------------------------------------------*/
    1086       44808 : yysetstate:
    1087       44808 :   *yyssp = (yytype_int16) yystate;
    1088             : 
    1089       44808 :   if (yyss + yystacksize - 1 <= yyssp)
    1090             : #if !defined yyoverflow && !defined YYSTACK_RELOCATE
    1091             :     goto yyexhaustedlab;
    1092             : #else
    1093             :     {
    1094             :       /* Get the current used size of the three stacks, in elements.  */
    1095           0 :       YYSIZE_T yysize = (YYSIZE_T) (yyssp - yyss + 1);
    1096             : 
    1097             : # if defined yyoverflow
    1098             :       {
    1099             :         /* Give user a chance to reallocate the stack.  Use copies of
    1100             :            these so that the &'s don't force the real ones into
    1101             :            memory.  */
    1102             :         YYSTYPE *yyvs1 = yyvs;
    1103             :         yytype_int16 *yyss1 = yyss;
    1104             : 
    1105             :         /* Each stack pointer address is followed by the size of the
    1106             :            data in use in that stack, in bytes.  This used to be a
    1107             :            conditional around just the two extra args, but that might
    1108             :            be undefined if yyoverflow is a macro.  */
    1109             :         yyoverflow (YY_("memory exhausted"),
    1110             :                     &yyss1, yysize * sizeof (*yyssp),
    1111             :                     &yyvs1, yysize * sizeof (*yyvsp),
    1112             :                     &yystacksize);
    1113             :         yyss = yyss1;
    1114             :         yyvs = yyvs1;
    1115             :       }
    1116             : # else /* defined YYSTACK_RELOCATE */
    1117             :       /* Extend the stack our own way.  */
    1118           0 :       if (YYMAXDEPTH <= yystacksize)
    1119           0 :         goto yyexhaustedlab;
    1120           0 :       yystacksize *= 2;
    1121           0 :       if (YYMAXDEPTH < yystacksize)
    1122           0 :         yystacksize = YYMAXDEPTH;
    1123             : 
    1124             :       {
    1125           0 :         yytype_int16 *yyss1 = yyss;
    1126             :         union yyalloc *yyptr =
    1127           0 :           (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
    1128           0 :         if (! yyptr)
    1129           0 :           goto yyexhaustedlab;
    1130           0 :         YYSTACK_RELOCATE (yyss_alloc, yyss);
    1131           0 :         YYSTACK_RELOCATE (yyvs_alloc, yyvs);
    1132             : # undef YYSTACK_RELOCATE
    1133           0 :         if (yyss1 != yyssa)
    1134           0 :           YYSTACK_FREE (yyss1);
    1135             :       }
    1136             : # endif
    1137             : 
    1138           0 :       yyssp = yyss + yysize - 1;
    1139           0 :       yyvsp = yyvs + yysize - 1;
    1140             : 
    1141             :       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
    1142             :                   (unsigned long) yystacksize));
    1143             : 
    1144           0 :       if (yyss + yystacksize - 1 <= yyssp)
    1145           0 :         YYABORT;
    1146             :     }
    1147             : #endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
    1148             : 
    1149             :   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
    1150             : 
    1151       44808 :   if (yystate == YYFINAL)
    1152        5602 :     YYACCEPT;
    1153             : 
    1154       39206 :   goto yybackup;
    1155             : 
    1156             : 
    1157             : /*-----------.
    1158             : | yybackup.  |
    1159             : `-----------*/
    1160       39206 : yybackup:
    1161             :   /* Do appropriate processing given the current state.  Read a
    1162             :      lookahead token if we need one and don't already have one.  */
    1163             : 
    1164             :   /* First try to decide what to do without reference to lookahead token.  */
    1165       39206 :   yyn = yypact[yystate];
    1166       39206 :   if (yypact_value_is_default (yyn))
    1167       15128 :     goto yydefault;
    1168             : 
    1169             :   /* Not known => get a lookahead token if don't already have one.  */
    1170             : 
    1171             :   /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
    1172       24078 :   if (yychar == YYEMPTY)
    1173             :     {
    1174             :       YYDPRINTF ((stderr, "Reading a token: "));
    1175       23272 :       yychar = yylex ();
    1176             :     }
    1177             : 
    1178       24078 :   if (yychar <= YYEOF)
    1179             :     {
    1180        6402 :       yychar = yytoken = YYEOF;
    1181             :       YYDPRINTF ((stderr, "Now at end of input.\n"));
    1182             :     }
    1183             :   else
    1184             :     {
    1185       17676 :       yytoken = YYTRANSLATE (yychar);
    1186             :       YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
    1187             :     }
    1188             : 
    1189             :   /* If the proper action on seeing token YYTOKEN is to reduce or to
    1190             :      detect an error, take that action.  */
    1191       24078 :   yyn += yytoken;
    1192       24078 :   if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
    1193         822 :     goto yydefault;
    1194       23256 :   yyn = yytable[yyn];
    1195       23256 :   if (yyn <= 0)
    1196             :     {
    1197             :       if (yytable_value_is_error (yyn))
    1198             :         goto yyerrlab;
    1199           0 :       yyn = -yyn;
    1200           0 :       goto yyreduce;
    1201             :     }
    1202             : 
    1203             :   /* Count tokens shifted since error; after three, turn off error
    1204             :      status.  */
    1205       23256 :   if (yyerrstatus)
    1206           0 :     yyerrstatus--;
    1207             : 
    1208             :   /* Shift the lookahead token.  */
    1209             :   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
    1210             : 
    1211             :   /* Discard the shifted token.  */
    1212       23256 :   yychar = YYEMPTY;
    1213             : 
    1214       23256 :   yystate = yyn;
    1215             :   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
    1216       23256 :   *++yyvsp = yylval;
    1217             :   YY_IGNORE_MAYBE_UNINITIALIZED_END
    1218             : 
    1219       23256 :   goto yynewstate;
    1220             : 
    1221             : 
    1222             : /*-----------------------------------------------------------.
    1223             : | yydefault -- do the default action for the current state.  |
    1224             : `-----------------------------------------------------------*/
    1225       15950 : yydefault:
    1226       15950 :   yyn = yydefact[yystate];
    1227       15950 :   if (yyn == 0)
    1228          16 :     goto yyerrlab;
    1229       15934 :   goto yyreduce;
    1230             : 
    1231             : 
    1232             : /*-----------------------------.
    1233             : | yyreduce -- do a reduction.  |
    1234             : `-----------------------------*/
    1235       15934 : yyreduce:
    1236             :   /* yyn is the number of a rule to reduce with.  */
    1237       15934 :   yylen = yyr2[yyn];
    1238             : 
    1239             :   /* If YYLEN is nonzero, implement the default value of the action:
    1240             :      '$$ = $1'.
    1241             : 
    1242             :      Otherwise, the following line sets YYVAL to garbage.
    1243             :      This behavior is undocumented and Bison
    1244             :      users should not rely upon it.  Assigning to YYVAL
    1245             :      unconditionally makes the parser a bit smaller, and it avoids a
    1246             :      GCC warning that YYVAL may be used uninitialized.  */
    1247       15934 :   yyval = yyvsp[1-yylen];
    1248             : 
    1249             : 
    1250             :   YY_REDUCE_PRINT (yyn);
    1251       15934 :   switch (yyn)
    1252             :     {
    1253          10 :         case 2:
    1254             : #line 62 "segparse.y" /* yacc.c:1652  */
    1255             :     {
    1256             :         result->lower = (yyvsp[-2].bnd).val - (yyvsp[0].bnd).val;
    1257             :         result->upper = (yyvsp[-2].bnd).val + (yyvsp[0].bnd).val;
    1258             :         sprintf(strbuf, "%g", result->lower);
    1259             :         result->l_sigd = Max(Min(6, significant_digits(strbuf)), Max((yyvsp[-2].bnd).sigd, (yyvsp[0].bnd).sigd));
    1260             :         sprintf(strbuf, "%g", result->upper);
    1261             :         result->u_sigd = Max(Min(6, significant_digits(strbuf)), Max((yyvsp[-2].bnd).sigd, (yyvsp[0].bnd).sigd));
    1262             :         result->l_ext = '\0';
    1263             :         result->u_ext = '\0';
    1264             :     }
    1265             : #line 1266 "segparse.c" /* yacc.c:1652  */
    1266          10 :     break;
    1267             : 
    1268        4698 :   case 3:
    1269             : #line 74 "segparse.y" /* yacc.c:1652  */
    1270             :     {
    1271             :         result->lower = (yyvsp[-2].bnd).val;
    1272             :         result->upper = (yyvsp[0].bnd).val;
    1273             :         if ( result->lower > result->upper ) {
    1274             :             ereport(ERROR,
    1275             :                     (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
    1276             :                      errmsg("swapped boundaries: %g is greater than %g",
    1277             :                             result->lower, result->upper)));
    1278             : 
    1279             :             YYERROR;
    1280             :         }
    1281             :         result->l_sigd = (yyvsp[-2].bnd).sigd;
    1282             :         result->u_sigd = (yyvsp[0].bnd).sigd;
    1283             :         result->l_ext = ( (yyvsp[-2].bnd).ext ? (yyvsp[-2].bnd).ext : '\0' );
    1284             :         result->u_ext = ( (yyvsp[0].bnd).ext ? (yyvsp[0].bnd).ext : '\0' );
    1285             :     }
    1286             : #line 1287 "segparse.c" /* yacc.c:1652  */
    1287        4698 :     break;
    1288             : 
    1289          92 :   case 4:
    1290             : #line 92 "segparse.y" /* yacc.c:1652  */
    1291             :     {
    1292             :         result->lower = (yyvsp[-1].bnd).val;
    1293             :         result->upper = HUGE_VAL;
    1294             :         result->l_sigd = (yyvsp[-1].bnd).sigd;
    1295             :         result->u_sigd = 0;
    1296             :         result->l_ext = ( (yyvsp[-1].bnd).ext ? (yyvsp[-1].bnd).ext : '\0' );
    1297             :         result->u_ext = '-';
    1298             :     }
    1299             : #line 1300 "segparse.c" /* yacc.c:1652  */
    1300          92 :     break;
    1301             : 
    1302          98 :   case 5:
    1303             : #line 102 "segparse.y" /* yacc.c:1652  */
    1304             :     {
    1305             :         result->lower = -HUGE_VAL;
    1306             :         result->upper = (yyvsp[0].bnd).val;
    1307             :         result->l_sigd = 0;
    1308             :         result->u_sigd = (yyvsp[0].bnd).sigd;
    1309             :         result->l_ext = '-';
    1310             :         result->u_ext = ( (yyvsp[0].bnd).ext ? (yyvsp[0].bnd).ext : '\0' );
    1311             :     }
    1312             : #line 1313 "segparse.c" /* yacc.c:1652  */
    1313          98 :     break;
    1314             : 
    1315         714 :   case 6:
    1316             : #line 112 "segparse.y" /* yacc.c:1652  */
    1317             :     {
    1318             :         result->lower = result->upper = (yyvsp[0].bnd).val;
    1319             :         result->l_sigd = result->u_sigd = (yyvsp[0].bnd).sigd;
    1320             :         result->l_ext = result->u_ext = ( (yyvsp[0].bnd).ext ? (yyvsp[0].bnd).ext : '\0' );
    1321             :     }
    1322             : #line 1323 "segparse.c" /* yacc.c:1652  */
    1323         714 :     break;
    1324             : 
    1325        7878 :   case 7:
    1326             : #line 120 "segparse.y" /* yacc.c:1652  */
    1327             :     {
    1328             :         /* temp variable avoids a gcc 3.3.x bug on Sparc64 */
    1329             :         float val = seg_atof((yyvsp[0].text));
    1330             : 
    1331             :         (yyval.bnd).ext = '\0';
    1332             :         (yyval.bnd).sigd = significant_digits((yyvsp[0].text));
    1333             :         (yyval.bnd).val = val;
    1334             :     }
    1335             : #line 1336 "segparse.c" /* yacc.c:1652  */
    1336        7876 :     break;
    1337             : 
    1338        2434 :   case 8:
    1339             : #line 129 "segparse.y" /* yacc.c:1652  */
    1340             :     {
    1341             :         /* temp variable avoids a gcc 3.3.x bug on Sparc64 */
    1342             :         float val = seg_atof((yyvsp[0].text));
    1343             : 
    1344             :         (yyval.bnd).ext = (yyvsp[-1].text)[0];
    1345             :         (yyval.bnd).sigd = significant_digits((yyvsp[0].text));
    1346             :         (yyval.bnd).val = val;
    1347             :     }
    1348             : #line 1349 "segparse.c" /* yacc.c:1652  */
    1349        2434 :     break;
    1350             : 
    1351          10 :   case 9:
    1352             : #line 140 "segparse.y" /* yacc.c:1652  */
    1353             :     {
    1354             :         /* temp variable avoids a gcc 3.3.x bug on Sparc64 */
    1355             :         float val = seg_atof((yyvsp[0].text));
    1356             : 
    1357             :         (yyval.bnd).ext = '\0';
    1358             :         (yyval.bnd).sigd = significant_digits((yyvsp[0].text));
    1359             :         (yyval.bnd).val = val;
    1360             :     }
    1361             : #line 1362 "segparse.c" /* yacc.c:1652  */
    1362          10 :     break;
    1363             : 
    1364             : 
    1365             : #line 1366 "segparse.c" /* yacc.c:1652  */
    1366           0 :       default: break;
    1367             :     }
    1368             :   /* User semantic actions sometimes alter yychar, and that requires
    1369             :      that yytoken be updated with the new translation.  We take the
    1370             :      approach of translating immediately before every use of yytoken.
    1371             :      One alternative is translating here after every semantic action,
    1372             :      but that translation would be missed if the semantic action invokes
    1373             :      YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
    1374             :      if it invokes YYBACKUP.  In the case of YYABORT or YYACCEPT, an
    1375             :      incorrect destructor might then be invoked immediately.  In the
    1376             :      case of YYERROR or YYBACKUP, subsequent parser actions might lead
    1377             :      to an incorrect destructor call or verbose syntax error message
    1378             :      before the lookahead is translated.  */
    1379             :   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
    1380             : 
    1381       15932 :   YYPOPSTACK (yylen);
    1382       15932 :   yylen = 0;
    1383             :   YY_STACK_PRINT (yyss, yyssp);
    1384             : 
    1385       15932 :   *++yyvsp = yyval;
    1386             : 
    1387             :   /* Now 'shift' the result of the reduction.  Determine what state
    1388             :      that goes to, based on the state we popped back to and the rule
    1389             :      number reduced by.  */
    1390             :   {
    1391       15932 :     const int yylhs = yyr1[yyn] - YYNTOKENS;
    1392       15932 :     const int yyi = yypgoto[yylhs] + *yyssp;
    1393        4806 :     yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
    1394        4796 :                ? yytable[yyi]
    1395       20738 :                : yydefgoto[yylhs]);
    1396             :   }
    1397             : 
    1398       15932 :   goto yynewstate;
    1399             : 
    1400             : 
    1401             : /*--------------------------------------.
    1402             : | yyerrlab -- here on detecting error.  |
    1403             : `--------------------------------------*/
    1404          16 : yyerrlab:
    1405             :   /* Make sure we have latest lookahead translation.  See comments at
    1406             :      user semantic actions for why this is necessary.  */
    1407          16 :   yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
    1408             : 
    1409             :   /* If not already recovering from an error, report this error.  */
    1410          16 :   if (!yyerrstatus)
    1411             :     {
    1412          16 :       ++yynerrs;
    1413             : #if ! YYERROR_VERBOSE
    1414          16 :       yyerror (result, YY_("syntax error"));
    1415             : #else
    1416             : # define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \
    1417             :                                         yyssp, yytoken)
    1418             :       {
    1419             :         char const *yymsgp = YY_("syntax error");
    1420             :         int yysyntax_error_status;
    1421             :         yysyntax_error_status = YYSYNTAX_ERROR;
    1422             :         if (yysyntax_error_status == 0)
    1423             :           yymsgp = yymsg;
    1424             :         else if (yysyntax_error_status == 1)
    1425             :           {
    1426             :             if (yymsg != yymsgbuf)
    1427             :               YYSTACK_FREE (yymsg);
    1428             :             yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc);
    1429             :             if (!yymsg)
    1430             :               {
    1431             :                 yymsg = yymsgbuf;
    1432             :                 yymsg_alloc = sizeof yymsgbuf;
    1433             :                 yysyntax_error_status = 2;
    1434             :               }
    1435             :             else
    1436             :               {
    1437             :                 yysyntax_error_status = YYSYNTAX_ERROR;
    1438             :                 yymsgp = yymsg;
    1439             :               }
    1440             :           }
    1441             :         yyerror (result, yymsgp);
    1442             :         if (yysyntax_error_status == 2)
    1443             :           goto yyexhaustedlab;
    1444             :       }
    1445             : # undef YYSYNTAX_ERROR
    1446             : #endif
    1447             :     }
    1448             : 
    1449             : 
    1450             : 
    1451           0 :   if (yyerrstatus == 3)
    1452             :     {
    1453             :       /* If just tried and failed to reuse lookahead token after an
    1454             :          error, discard it.  */
    1455             : 
    1456           0 :       if (yychar <= YYEOF)
    1457             :         {
    1458             :           /* Return failure if at end of input.  */
    1459           0 :           if (yychar == YYEOF)
    1460           0 :             YYABORT;
    1461             :         }
    1462             :       else
    1463             :         {
    1464           0 :           yydestruct ("Error: discarding",
    1465             :                       yytoken, &yylval, result);
    1466           0 :           yychar = YYEMPTY;
    1467             :         }
    1468             :     }
    1469             : 
    1470             :   /* Else will try to reuse lookahead token after shifting the error
    1471             :      token.  */
    1472           0 :   goto yyerrlab1;
    1473             : 
    1474             : 
    1475             : /*---------------------------------------------------.
    1476             : | yyerrorlab -- error raised explicitly by YYERROR.  |
    1477             : `---------------------------------------------------*/
    1478             : yyerrorlab:
    1479             :   /* Pacify compilers when the user code never invokes YYERROR and the
    1480             :      label yyerrorlab therefore never appears in user code.  */
    1481             :   if (0)
    1482             :     YYERROR;
    1483             : 
    1484             :   /* Do not reclaim the symbols of the rule whose action triggered
    1485             :      this YYERROR.  */
    1486             :   YYPOPSTACK (yylen);
    1487             :   yylen = 0;
    1488             :   YY_STACK_PRINT (yyss, yyssp);
    1489             :   yystate = *yyssp;
    1490             :   goto yyerrlab1;
    1491             : 
    1492             : 
    1493             : /*-------------------------------------------------------------.
    1494             : | yyerrlab1 -- common code for both syntax error and YYERROR.  |
    1495             : `-------------------------------------------------------------*/
    1496           0 : yyerrlab1:
    1497           0 :   yyerrstatus = 3;      /* Each real token shifted decrements this.  */
    1498             : 
    1499             :   for (;;)
    1500             :     {
    1501           0 :       yyn = yypact[yystate];
    1502           0 :       if (!yypact_value_is_default (yyn))
    1503             :         {
    1504           0 :           yyn += YYTERROR;
    1505           0 :           if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
    1506             :             {
    1507           0 :               yyn = yytable[yyn];
    1508           0 :               if (0 < yyn)
    1509           0 :                 break;
    1510             :             }
    1511             :         }
    1512             : 
    1513             :       /* Pop the current state because it cannot handle the error token.  */
    1514           0 :       if (yyssp == yyss)
    1515           0 :         YYABORT;
    1516             : 
    1517             : 
    1518           0 :       yydestruct ("Error: popping",
    1519           0 :                   yystos[yystate], yyvsp, result);
    1520           0 :       YYPOPSTACK (1);
    1521           0 :       yystate = *yyssp;
    1522             :       YY_STACK_PRINT (yyss, yyssp);
    1523             :     }
    1524             : 
    1525             :   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
    1526           0 :   *++yyvsp = yylval;
    1527             :   YY_IGNORE_MAYBE_UNINITIALIZED_END
    1528             : 
    1529             : 
    1530             :   /* Shift the error token.  */
    1531             :   YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
    1532             : 
    1533           0 :   yystate = yyn;
    1534           0 :   goto yynewstate;
    1535             : 
    1536             : 
    1537             : /*-------------------------------------.
    1538             : | yyacceptlab -- YYACCEPT comes here.  |
    1539             : `-------------------------------------*/
    1540        5602 : yyacceptlab:
    1541        5602 :   yyresult = 0;
    1542        5602 :   goto yyreturn;
    1543             : 
    1544             : 
    1545             : /*-----------------------------------.
    1546             : | yyabortlab -- YYABORT comes here.  |
    1547             : `-----------------------------------*/
    1548           0 : yyabortlab:
    1549           0 :   yyresult = 1;
    1550           0 :   goto yyreturn;
    1551             : 
    1552             : 
    1553             : #if !defined yyoverflow || YYERROR_VERBOSE
    1554             : /*-------------------------------------------------.
    1555             : | yyexhaustedlab -- memory exhaustion comes here.  |
    1556             : `-------------------------------------------------*/
    1557           0 : yyexhaustedlab:
    1558           0 :   yyerror (result, YY_("memory exhausted"));
    1559             :   yyresult = 2;
    1560             :   /* Fall through.  */
    1561             : #endif
    1562             : 
    1563             : 
    1564             : /*-----------------------------------------------------.
    1565             : | yyreturn -- parsing is finished, return the result.  |
    1566             : `-----------------------------------------------------*/
    1567        5602 : yyreturn:
    1568        5602 :   if (yychar != YYEMPTY)
    1569             :     {
    1570             :       /* Make sure we have latest lookahead translation.  See comments at
    1571             :          user semantic actions for why this is necessary.  */
    1572           0 :       yytoken = YYTRANSLATE (yychar);
    1573           0 :       yydestruct ("Cleanup: discarding lookahead",
    1574             :                   yytoken, &yylval, result);
    1575             :     }
    1576             :   /* Do not reclaim the symbols of the rule whose action triggered
    1577             :      this YYABORT or YYACCEPT.  */
    1578        5602 :   YYPOPSTACK (yylen);
    1579             :   YY_STACK_PRINT (yyss, yyssp);
    1580       16806 :   while (yyssp != yyss)
    1581             :     {
    1582       11204 :       yydestruct ("Cleanup: popping",
    1583       11204 :                   yystos[*yyssp], yyvsp, result);
    1584       11204 :       YYPOPSTACK (1);
    1585             :     }
    1586             : #ifndef yyoverflow
    1587        5602 :   if (yyss != yyssa)
    1588           0 :     YYSTACK_FREE (yyss);
    1589             : #endif
    1590             : #if YYERROR_VERBOSE
    1591             :   if (yymsg != yymsgbuf)
    1592             :     YYSTACK_FREE (yymsg);
    1593             : #endif
    1594        5602 :   return yyresult;
    1595             : }
    1596             : #line 150 "segparse.y" /* yacc.c:1918  */
    1597             : 
    1598             : 
    1599             : 
    1600             : static float
    1601             : seg_atof(const char *value)
    1602             : {
    1603             :     Datum datum;
    1604             : 
    1605             :     datum = DirectFunctionCall1(float4in, CStringGetDatum(value));
    1606             :     return DatumGetFloat4(datum);
    1607             : }
    1608             : 
    1609             : 
    1610             : #include "segscan.c"

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