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|
/* A Bison parser, made by GNU Bison 3.4.1. */
/* Bison implementation for Yacc-like parsers in C
Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2019 Free Software Foundation,
Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* As a special exception, you may create a larger work that contains
part or all of the Bison parser skeleton and distribute that work
under terms of your choice, so long as that work isn't itself a
parser generator using the skeleton or a modified version thereof
as a parser skeleton. Alternatively, if you modify or redistribute
the parser skeleton itself, you may (at your option) remove this
special exception, which will cause the skeleton and the resulting
Bison output files to be licensed under the GNU General Public
License without this special exception.
This special exception was added by the Free Software Foundation in
version 2.2 of Bison. */
/* C LALR(1) parser skeleton written by Richard Stallman, by
simplifying the original so-called "semantic" parser. */
/* All symbols defined below should begin with yy or YY, to avoid
infringing on user name space. This should be done even for local
variables, as they might otherwise be expanded by user macros.
There are some unavoidable exceptions within include files to
define necessary library symbols; they are noted "INFRINGES ON
USER NAME SPACE" below. */
/* Undocumented macros, especially those whose name start with YY_,
are private implementation details. Do not rely on them. */
/* Identify Bison output. */
#define YYBISON 1
/* Bison version. */
#define YYBISON_VERSION "3.4.1"
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
/* Pure parsers. */
#define YYPURE 0
/* Push parsers. */
#define YYPUSH 0
/* Pull parsers. */
#define YYPULL 1
/* First part of user prologue. */
#line 1 "getdate.y"
/*
** Originally written by Steven M. Bellovin <smb@research.att.com> while
** at the University of North Carolina at Chapel Hill. Later tweaked by
** a couple of people on Usenet. Completely overhauled by Rich $alz
** <rsalz@bbn.com> and Jim Berets <jberets@bbn.com> in August, 1990;
**
** This grammar has 13 shift/reduce conflicts.
**
** This code is in the public domain and has no copyright.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
# ifdef FORCE_ALLOCA_H
# include <alloca.h>
# endif
#endif
/* Since the code of getdate.y is not included in the Emacs executable
itself, there is no need to #define static in this file. Even if
the code were included in the Emacs executable, it probably
wouldn't do any harm to #undef it here; this will only cause
problems if we try to write to a static variable, which I don't
think this code needs to do. */
#ifdef emacs
# undef static
#endif
#include <stdio.h>
#include <ctype.h>
#include <time.h>
#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
# define IN_CTYPE_DOMAIN(c) 1
#else
# define IN_CTYPE_DOMAIN(c) isascii(c)
#endif
#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c))
#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
/* ISDIGIT differs from ISDIGIT_LOCALE, as follows:
- Its arg may be any int or unsigned int; it need not be an unsigned char.
- It's guaranteed to evaluate its argument exactly once.
- It's typically faster.
Posix 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that
only '0' through '9' are digits. Prefer ISDIGIT to ISDIGIT_LOCALE unless
it's important to use the locale's definition of `digit' even when the
host does not conform to Posix. */
#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
#include "getdate.h"
#if defined (STDC_HEADERS)
# include <string.h>
#endif
/* Some old versions of bison generate parsers that use bcopy.
That loses on systems that don't provide the function, so we have
to redefine it here. */
#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy)
# define bcopy(from, to, len) memcpy ((to), (from), (len))
#endif
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
as well as gratuitously global symbol names, so we can have multiple
yacc generated parsers in the same program. Note that these are only
the variables produced by yacc. If other parser generators (bison,
byacc, etc) produce additional global names that conflict at link time,
then those parser generators need to be fixed instead of adding those
names to this list. */
#define yymaxdepth gd_maxdepth
#define yyparse gd_parse
#define yylex gd_lex
#define yyerror gd_error
#define yylval gd_lval
#define yychar gd_char
#define yydebug gd_debug
#define yypact gd_pact
#define yyr1 gd_r1
#define yyr2 gd_r2
#define yydef gd_def
#define yychk gd_chk
#define yypgo gd_pgo
#define yyact gd_act
#define yyexca gd_exca
#define yyerrflag gd_errflag
#define yynerrs gd_nerrs
#define yyps gd_ps
#define yypv gd_pv
#define yys gd_s
#define yy_yys gd_yys
#define yystate gd_state
#define yytmp gd_tmp
#define yyv gd_v
#define yy_yyv gd_yyv
#define yyval gd_val
#define yylloc gd_lloc
#define yyreds gd_reds /* With YYDEBUG defined */
#define yytoks gd_toks /* With YYDEBUG defined */
#define yylhs gd_yylhs
#define yylen gd_yylen
#define yydefred gd_yydefred
#define yydgoto gd_yydgoto
#define yysindex gd_yysindex
#define yyrindex gd_yyrindex
#define yygindex gd_yygindex
#define yytable gd_yytable
#define yycheck gd_yycheck
static int yylex (void);
static int yyerror (const char *s);
#define EPOCH 1970
#define HOUR(x) ((x) * 60)
#define MAX_BUFF_LEN 128 /* size of buffer to read the date into */
/*
** An entry in the lexical lookup table.
*/
typedef struct _TABLE {
const char *name;
int type;
int value;
} TABLE;
/*
** Meridian: am, pm, or 24-hour style.
*/
typedef enum _MERIDIAN {
MERam, MERpm, MER24
} MERIDIAN;
/*
** Global variables. We could get rid of most of these by using a good
** union as the yacc stack. (This routine was originally written before
** yacc had the %union construct.) Maybe someday; right now we only use
** the %union very rarely.
*/
static const char *yyInput;
static int yyDayOrdinal;
static int yyDayNumber;
static int yyHaveDate;
static int yyHaveDay;
static int yyHaveRel;
static int yyHaveTime;
static int yyHaveZone;
static int yyTimezone;
static int yyDay;
static int yyHour;
static int yyMinutes;
static int yyMonth;
static int yySeconds;
static int yyYear;
static MERIDIAN yyMeridian;
static int yyRelDay;
static int yyRelHour;
static int yyRelMinutes;
static int yyRelMonth;
static int yyRelSeconds;
static int yyRelYear;
#line 241 "getdate.c"
# ifndef YY_NULLPTR
# if defined __cplusplus
# if 201103L <= __cplusplus
# define YY_NULLPTR nullptr
# else
# define YY_NULLPTR 0
# endif
# else
# define YY_NULLPTR ((void*)0)
# endif
# endif
/* Enabling verbose error messages. */
#ifdef YYERROR_VERBOSE
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE 0
#endif
/* Debug traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#if YYDEBUG
extern int yydebug;
#endif
/* Token type. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
enum yytokentype
{
tAGO = 258,
tDAY = 259,
tDAY_UNIT = 260,
tDAYZONE = 261,
tDST = 262,
tHOUR_UNIT = 263,
tID = 264,
tMERIDIAN = 265,
tMINUTE_UNIT = 266,
tMONTH = 267,
tMONTH_UNIT = 268,
tSEC_UNIT = 269,
tSNUMBER = 270,
tUNUMBER = 271,
tYEAR_UNIT = 272,
tZONE = 273
};
#endif
/* Tokens. */
#define tAGO 258
#define tDAY 259
#define tDAY_UNIT 260
#define tDAYZONE 261
#define tDST 262
#define tHOUR_UNIT 263
#define tID 264
#define tMERIDIAN 265
#define tMINUTE_UNIT 266
#define tMONTH 267
#define tMONTH_UNIT 268
#define tSEC_UNIT 269
#define tSNUMBER 270
#define tUNUMBER 271
#define tYEAR_UNIT 272
#define tZONE 273
/* Value type. */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
union YYSTYPE
{
#line 172 "getdate.y"
int Number;
enum _MERIDIAN Meridian;
#line 322 "getdate.c"
};
typedef union YYSTYPE YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
#endif
extern YYSTYPE yylval;
int yyparse (void);
#ifdef short
# undef short
#endif
#ifdef YYTYPE_UINT8
typedef YYTYPE_UINT8 yytype_uint8;
#else
typedef unsigned char yytype_uint8;
#endif
#ifdef YYTYPE_INT8
typedef YYTYPE_INT8 yytype_int8;
#else
typedef signed char yytype_int8;
#endif
#ifdef YYTYPE_UINT16
typedef YYTYPE_UINT16 yytype_uint16;
#else
typedef unsigned short yytype_uint16;
#endif
#ifdef YYTYPE_INT16
typedef YYTYPE_INT16 yytype_int16;
#else
typedef short yytype_int16;
#endif
#ifndef YYSIZE_T
# ifdef __SIZE_TYPE__
# define YYSIZE_T __SIZE_TYPE__
# elif defined size_t
# define YYSIZE_T size_t
# elif ! defined YYSIZE_T
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# else
# define YYSIZE_T unsigned
# endif
#endif
#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
#ifndef YY_
# if defined YYENABLE_NLS && YYENABLE_NLS
# if ENABLE_NLS
# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
# define YY_(Msgid) dgettext ("bison-runtime", Msgid)
# endif
# endif
# ifndef YY_
# define YY_(Msgid) Msgid
# endif
#endif
#ifndef YY_ATTRIBUTE
# if (defined __GNUC__ \
&& (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__))) \
|| defined __SUNPRO_C && 0x5110 <= __SUNPRO_C
# define YY_ATTRIBUTE(Spec) __attribute__(Spec)
# else
# define YY_ATTRIBUTE(Spec) /* empty */
# endif
#endif
#ifndef YY_ATTRIBUTE_PURE
# define YY_ATTRIBUTE_PURE YY_ATTRIBUTE ((__pure__))
#endif
#ifndef YY_ATTRIBUTE_UNUSED
# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__))
#endif
/* Suppress unused-variable warnings by "using" E. */
#if ! defined lint || defined __GNUC__
# define YYUSE(E) ((void) (E))
#else
# define YYUSE(E) /* empty */
#endif
#if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
/* Suppress an incorrect diagnostic about yylval being uninitialized. */
# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
_Pragma ("GCC diagnostic push") \
_Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
_Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
_Pragma ("GCC diagnostic pop")
#else
# define YY_INITIAL_VALUE(Value) Value
#endif
#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
# define YY_IGNORE_MAYBE_UNINITIALIZED_END
#endif
#ifndef YY_INITIAL_VALUE
# define YY_INITIAL_VALUE(Value) /* Nothing. */
#endif
#define YY_ASSERT(E) ((void) (0 && (E)))
#if ! defined yyoverflow || YYERROR_VERBOSE
/* The parser invokes alloca or malloc; define the necessary symbols. */
# ifdef YYSTACK_USE_ALLOCA
# if YYSTACK_USE_ALLOCA
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
# elif defined __BUILTIN_VA_ARG_INCR
# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
# elif defined _AIX
# define YYSTACK_ALLOC __alloca
# elif defined _MSC_VER
# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
# define alloca _alloca
# else
# define YYSTACK_ALLOC alloca
# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
/* Use EXIT_SUCCESS as a witness for stdlib.h. */
# ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
# endif
# endif
# endif
# endif
# endif
# ifdef YYSTACK_ALLOC
/* Pacify GCC's 'empty if-body' warning. */
# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
# ifndef YYSTACK_ALLOC_MAXIMUM
/* The OS might guarantee only one guard page at the bottom of the stack,
and a page size can be as small as 4096 bytes. So we cannot safely
invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
to allow for a few compiler-allocated temporary stack slots. */
# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
# endif
# else
# define YYSTACK_ALLOC YYMALLOC
# define YYSTACK_FREE YYFREE
# ifndef YYSTACK_ALLOC_MAXIMUM
# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
# endif
# if (defined __cplusplus && ! defined EXIT_SUCCESS \
&& ! ((defined YYMALLOC || defined malloc) \
&& (defined YYFREE || defined free)))
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
# endif
# endif
# ifndef YYMALLOC
# define YYMALLOC malloc
# if ! defined malloc && ! defined EXIT_SUCCESS
void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
# ifndef YYFREE
# define YYFREE free
# if ! defined free && ! defined EXIT_SUCCESS
void free (void *); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
# endif
#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
#if (! defined yyoverflow \
&& (! defined __cplusplus \
|| (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
yytype_int16 yyss_alloc;
YYSTYPE yyvs_alloc;
};
/* The size of the maximum gap between one aligned stack and the next. */
# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
/* The size of an array large to enough to hold all stacks, each with
N elements. */
# define YYSTACK_BYTES(N) \
((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+ YYSTACK_GAP_MAXIMUM)
# define YYCOPY_NEEDED 1
/* Relocate STACK from its old location to the new one. The
local variables YYSIZE and YYSTACKSIZE give the old and new number of
elements in the stack, and YYPTR gives the new location of the
stack. Advance YYPTR to a properly aligned location for the next
stack. */
# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
do \
{ \
YYSIZE_T yynewbytes; \
YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
Stack = &yyptr->Stack_alloc; \
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (0)
#endif
#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
/* Copy COUNT objects from SRC to DST. The source and destination do
not overlap. */
# ifndef YYCOPY
# if defined __GNUC__ && 1 < __GNUC__
# define YYCOPY(Dst, Src, Count) \
__builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
# else
# define YYCOPY(Dst, Src, Count) \
do \
{ \
YYSIZE_T yyi; \
for (yyi = 0; yyi < (Count); yyi++) \
(Dst)[yyi] = (Src)[yyi]; \
} \
while (0)
# endif
# endif
#endif /* !YYCOPY_NEEDED */
/* YYFINAL -- State number of the termination state. */
#define YYFINAL 2
/* YYLAST -- Last index in YYTABLE. */
#define YYLAST 50
/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS 22
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS 11
/* YYNRULES -- Number of rules. */
#define YYNRULES 51
/* YYNSTATES -- Number of states. */
#define YYNSTATES 61
#define YYUNDEFTOK 2
#define YYMAXUTOK 273
/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
as returned by yylex, with out-of-bounds checking. */
#define YYTRANSLATE(YYX) \
((unsigned) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
as returned by yylex. */
static const yytype_uint8 yytranslate[] =
{
0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 20, 2, 2, 21, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 19, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18
};
#if YYDEBUG
/* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
static const yytype_uint16 yyrline[] =
{
0, 188, 188, 189, 192, 195, 198, 201, 204, 207,
210, 216, 222, 231, 237, 249, 252, 256, 261, 265,
269, 275, 279, 297, 303, 309, 313, 318, 322, 329,
337, 340, 343, 346, 349, 352, 355, 358, 361, 364,
367, 370, 373, 376, 379, 382, 385, 388, 391, 396,
430, 433
};
#endif
#if YYDEBUG || YYERROR_VERBOSE || 0
/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
{
"$end", "error", "$undefined", "tAGO", "tDAY", "tDAY_UNIT", "tDAYZONE",
"tDST", "tHOUR_UNIT", "tID", "tMERIDIAN", "tMINUTE_UNIT", "tMONTH",
"tMONTH_UNIT", "tSEC_UNIT", "tSNUMBER", "tUNUMBER", "tYEAR_UNIT",
"tZONE", "':'", "','", "'/'", "$accept", "spec", "item", "time", "zone",
"day", "date", "rel", "relunit", "number", "o_merid", YY_NULLPTR
};
#endif
# ifdef YYPRINT
/* YYTOKNUM[NUM] -- (External) token number corresponding to the
(internal) symbol number NUM (which must be that of a token). */
static const yytype_uint16 yytoknum[] =
{
0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
265, 266, 267, 268, 269, 270, 271, 272, 273, 58,
44, 47
};
# endif
#define YYPACT_NINF -20
#define yypact_value_is_default(Yystate) \
(!!((Yystate) == (-20)))
#define YYTABLE_NINF -1
#define yytable_value_is_error(Yytable_value) \
0
/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
STATE-NUM. */
static const yytype_int8 yypact[] =
{
-20, 0, -20, -19, -20, -20, -20, -20, -13, -20,
-20, 30, 15, -20, 14, -20, -20, -20, -20, -20,
-20, 19, -20, -20, 4, -20, -20, -20, -20, -20,
-20, -20, -20, -20, -20, -20, -6, -20, -20, 16,
-20, 17, 23, -20, -20, 24, -20, -20, -20, 27,
28, -20, -20, -20, 29, -20, 32, -8, -20, -20,
-20
};
/* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
Performed when YYTABLE does not specify something else to do. Zero
means the default is an error. */
static const yytype_uint8 yydefact[] =
{
2, 0, 1, 18, 39, 16, 42, 45, 0, 36,
48, 0, 49, 33, 15, 3, 4, 5, 7, 6,
8, 30, 9, 19, 25, 38, 41, 44, 35, 47,
32, 20, 37, 40, 10, 43, 27, 34, 46, 0,
31, 0, 0, 17, 29, 0, 24, 28, 23, 50,
21, 26, 51, 12, 0, 11, 0, 50, 22, 14,
13
};
/* YYPGOTO[NTERM-NUM]. */
static const yytype_int8 yypgoto[] =
{
-20, -20, -20, -20, -20, -20, -20, -20, -20, -20,
-7
};
/* YYDEFGOTO[NTERM-NUM]. */
static const yytype_int8 yydefgoto[] =
{
-1, 1, 15, 16, 17, 18, 19, 20, 21, 22,
55
};
/* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If
positive, shift that token. If negative, reduce the rule whose
number is the opposite. If YYTABLE_NINF, syntax error. */
static const yytype_uint8 yytable[] =
{
2, 23, 52, 24, 3, 4, 5, 59, 6, 46,
47, 7, 8, 9, 10, 11, 12, 13, 14, 31,
32, 43, 44, 33, 45, 34, 35, 36, 37, 38,
39, 48, 40, 49, 41, 25, 42, 52, 26, 50,
51, 27, 53, 28, 29, 57, 54, 30, 58, 56,
60
};
static const yytype_uint8 yycheck[] =
{
0, 20, 10, 16, 4, 5, 6, 15, 8, 15,
16, 11, 12, 13, 14, 15, 16, 17, 18, 4,
5, 7, 3, 8, 20, 10, 11, 12, 13, 14,
15, 15, 17, 16, 19, 5, 21, 10, 8, 16,
16, 11, 15, 13, 14, 16, 19, 17, 16, 21,
57
};
/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
symbol of state STATE-NUM. */
static const yytype_uint8 yystos[] =
{
0, 23, 0, 4, 5, 6, 8, 11, 12, 13,
14, 15, 16, 17, 18, 24, 25, 26, 27, 28,
29, 30, 31, 20, 16, 5, 8, 11, 13, 14,
17, 4, 5, 8, 10, 11, 12, 13, 14, 15,
17, 19, 21, 7, 3, 20, 15, 16, 15, 16,
16, 16, 10, 15, 19, 32, 21, 16, 16, 15,
32
};
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
static const yytype_uint8 yyr1[] =
{
0, 22, 23, 23, 24, 24, 24, 24, 24, 24,
25, 25, 25, 25, 25, 26, 26, 26, 27, 27,
27, 28, 28, 28, 28, 28, 28, 28, 28, 29,
29, 30, 30, 30, 30, 30, 30, 30, 30, 30,
30, 30, 30, 30, 30, 30, 30, 30, 30, 31,
32, 32
};
/* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */
static const yytype_uint8 yyr2[] =
{
0, 2, 0, 2, 1, 1, 1, 1, 1, 1,
2, 4, 4, 6, 6, 1, 1, 2, 1, 2,
2, 3, 5, 3, 3, 2, 4, 2, 3, 2,
1, 2, 2, 1, 2, 2, 1, 2, 2, 1,
2, 2, 1, 2, 2, 1, 2, 2, 1, 1,
0, 1
};
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY (-2)
#define YYEOF 0
#define YYACCEPT goto yyacceptlab
#define YYABORT goto yyabortlab
#define YYERROR goto yyerrorlab
#define YYRECOVERING() (!!yyerrstatus)
#define YYBACKUP(Token, Value) \
do \
if (yychar == YYEMPTY) \
{ \
yychar = (Token); \
yylval = (Value); \
YYPOPSTACK (yylen); \
yystate = *yyssp; \
goto yybackup; \
} \
else \
{ \
yyerror (YY_("syntax error: cannot back up")); \
YYERROR; \
} \
while (0)
/* Error token number */
#define YYTERROR 1
#define YYERRCODE 256
/* Enable debugging if requested. */
#if YYDEBUG
# ifndef YYFPRINTF
# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
# define YYFPRINTF fprintf
# endif
# define YYDPRINTF(Args) \
do { \
if (yydebug) \
YYFPRINTF Args; \
} while (0)
/* This macro is provided for backward compatibility. */
#ifndef YY_LOCATION_PRINT
# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
#endif
# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
do { \
if (yydebug) \
{ \
YYFPRINTF (stderr, "%s ", Title); \
yy_symbol_print (stderr, \
Type, Value); \
YYFPRINTF (stderr, "\n"); \
} \
} while (0)
/*-----------------------------------.
| Print this symbol's value on YYO. |
`-----------------------------------*/
static void
yy_symbol_value_print (FILE *yyo, int yytype, YYSTYPE const * const yyvaluep)
{
FILE *yyoutput = yyo;
YYUSE (yyoutput);
if (!yyvaluep)
return;
# ifdef YYPRINT
if (yytype < YYNTOKENS)
YYPRINT (yyo, yytoknum[yytype], *yyvaluep);
# endif
YYUSE (yytype);
}
/*---------------------------.
| Print this symbol on YYO. |
`---------------------------*/
static void
yy_symbol_print (FILE *yyo, int yytype, YYSTYPE const * const yyvaluep)
{
YYFPRINTF (yyo, "%s %s (",
yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]);
yy_symbol_value_print (yyo, yytype, yyvaluep);
YYFPRINTF (yyo, ")");
}
/*------------------------------------------------------------------.
| yy_stack_print -- Print the state stack from its BOTTOM up to its |
| TOP (included). |
`------------------------------------------------------------------*/
static void
yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
{
YYFPRINTF (stderr, "Stack now");
for (; yybottom <= yytop; yybottom++)
{
int yybot = *yybottom;
YYFPRINTF (stderr, " %d", yybot);
}
YYFPRINTF (stderr, "\n");
}
# define YY_STACK_PRINT(Bottom, Top) \
do { \
if (yydebug) \
yy_stack_print ((Bottom), (Top)); \
} while (0)
/*------------------------------------------------.
| Report that the YYRULE is going to be reduced. |
`------------------------------------------------*/
static void
yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule)
{
unsigned long yylno = yyrline[yyrule];
int yynrhs = yyr2[yyrule];
int yyi;
YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
yyrule - 1, yylno);
/* The symbols being reduced. */
for (yyi = 0; yyi < yynrhs; yyi++)
{
YYFPRINTF (stderr, " $%d = ", yyi + 1);
yy_symbol_print (stderr,
yystos[yyssp[yyi + 1 - yynrhs]],
&yyvsp[(yyi + 1) - (yynrhs)]
);
YYFPRINTF (stderr, "\n");
}
}
# define YY_REDUCE_PRINT(Rule) \
do { \
if (yydebug) \
yy_reduce_print (yyssp, yyvsp, Rule); \
} while (0)
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
int yydebug;
#else /* !YYDEBUG */
# define YYDPRINTF(Args)
# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
# define YY_STACK_PRINT(Bottom, Top)
# define YY_REDUCE_PRINT(Rule)
#endif /* !YYDEBUG */
/* YYINITDEPTH -- initial size of the parser's stacks. */
#ifndef YYINITDEPTH
# define YYINITDEPTH 200
#endif
/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
if the built-in stack extension method is used).
Do not make this value too large; the results are undefined if
YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
evaluated with infinite-precision integer arithmetic. */
#ifndef YYMAXDEPTH
# define YYMAXDEPTH 10000
#endif
#if YYERROR_VERBOSE
# ifndef yystrlen
# if defined __GLIBC__ && defined _STRING_H
# define yystrlen strlen
# else
/* Return the length of YYSTR. */
static YYSIZE_T
yystrlen (const char *yystr)
{
YYSIZE_T yylen;
for (yylen = 0; yystr[yylen]; yylen++)
continue;
return yylen;
}
# endif
# endif
# ifndef yystpcpy
# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
# define yystpcpy stpcpy
# else
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
YYDEST. */
static char *
yystpcpy (char *yydest, const char *yysrc)
{
char *yyd = yydest;
const char *yys = yysrc;
while ((*yyd++ = *yys++) != '\0')
continue;
return yyd - 1;
}
# endif
# endif
# ifndef yytnamerr
/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
quotes and backslashes, so that it's suitable for yyerror. The
heuristic is that double-quoting is unnecessary unless the string
contains an apostrophe, a comma, or backslash (other than
backslash-backslash). YYSTR is taken from yytname. If YYRES is
null, do not copy; instead, return the length of what the result
would have been. */
static YYSIZE_T
yytnamerr (char *yyres, const char *yystr)
{
if (*yystr == '"')
{
YYSIZE_T yyn = 0;
char const *yyp = yystr;
for (;;)
switch (*++yyp)
{
case '\'':
case ',':
goto do_not_strip_quotes;
case '\\':
if (*++yyp != '\\')
goto do_not_strip_quotes;
else
goto append;
append:
default:
if (yyres)
yyres[yyn] = *yyp;
yyn++;
break;
case '"':
if (yyres)
yyres[yyn] = '\0';
return yyn;
}
do_not_strip_quotes: ;
}
if (! yyres)
return yystrlen (yystr);
return (YYSIZE_T) (yystpcpy (yyres, yystr) - yyres);
}
# endif
/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message
about the unexpected token YYTOKEN for the state stack whose top is
YYSSP.
Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is
not large enough to hold the message. In that case, also set
*YYMSG_ALLOC to the required number of bytes. Return 2 if the
required number of bytes is too large to store. */
static int
yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg,
yytype_int16 *yyssp, int yytoken)
{
YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]);
YYSIZE_T yysize = yysize0;
enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
/* Internationalized format string. */
const char *yyformat = YY_NULLPTR;
/* Arguments of yyformat. */
char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
/* Number of reported tokens (one for the "unexpected", one per
"expected"). */
int yycount = 0;
/* There are many possibilities here to consider:
- If this state is a consistent state with a default action, then
the only way this function was invoked is if the default action
is an error action. In that case, don't check for expected
tokens because there are none.
- The only way there can be no lookahead present (in yychar) is if
this state is a consistent state with a default action. Thus,
detecting the absence of a lookahead is sufficient to determine
that there is no unexpected or expected token to report. In that
case, just report a simple "syntax error".
- Don't assume there isn't a lookahead just because this state is a
consistent state with a default action. There might have been a
previous inconsistent state, consistent state with a non-default
action, or user semantic action that manipulated yychar.
- Of course, the expected token list depends on states to have
correct lookahead information, and it depends on the parser not
to perform extra reductions after fetching a lookahead from the
scanner and before detecting a syntax error. Thus, state merging
(from LALR or IELR) and default reductions corrupt the expected
token list. However, the list is correct for canonical LR with
one exception: it will still contain any token that will not be
accepted due to an error action in a later state.
*/
if (yytoken != YYEMPTY)
{
int yyn = yypact[*yyssp];
yyarg[yycount++] = yytname[yytoken];
if (!yypact_value_is_default (yyn))
{
/* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. In other words, skip the first -YYN actions for
this state because they are default actions. */
int yyxbegin = yyn < 0 ? -yyn : 0;
/* Stay within bounds of both yycheck and yytname. */
int yychecklim = YYLAST - yyn + 1;
int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
int yyx;
for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR
&& !yytable_value_is_error (yytable[yyx + yyn]))
{
if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
{
yycount = 1;
yysize = yysize0;
break;
}
yyarg[yycount++] = yytname[yyx];
{
YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]);
if (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)
yysize = yysize1;
else
return 2;
}
}
}
}
switch (yycount)
{
# define YYCASE_(N, S) \
case N: \
yyformat = S; \
break
default: /* Avoid compiler warnings. */
YYCASE_(0, YY_("syntax error"));
YYCASE_(1, YY_("syntax error, unexpected %s"));
YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
# undef YYCASE_
}
{
YYSIZE_T yysize1 = yysize + yystrlen (yyformat);
if (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)
yysize = yysize1;
else
return 2;
}
if (*yymsg_alloc < yysize)
{
*yymsg_alloc = 2 * yysize;
if (! (yysize <= *yymsg_alloc
&& *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM))
*yymsg_alloc = YYSTACK_ALLOC_MAXIMUM;
return 1;
}
/* Avoid sprintf, as that infringes on the user's name space.
Don't have undefined behavior even if the translation
produced a string with the wrong number of "%s"s. */
{
char *yyp = *yymsg;
int yyi = 0;
while ((*yyp = *yyformat) != '\0')
if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
{
yyp += yytnamerr (yyp, yyarg[yyi++]);
yyformat += 2;
}
else
{
yyp++;
yyformat++;
}
}
return 0;
}
#endif /* YYERROR_VERBOSE */
/*-----------------------------------------------.
| Release the memory associated to this symbol. |
`-----------------------------------------------*/
static void
yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
{
YYUSE (yyvaluep);
if (!yymsg)
yymsg = "Deleting";
YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
YYUSE (yytype);
YY_IGNORE_MAYBE_UNINITIALIZED_END
}
/* The lookahead symbol. */
int yychar;
/* The semantic value of the lookahead symbol. */
YYSTYPE yylval;
/* Number of syntax errors so far. */
int yynerrs;
/*----------.
| yyparse. |
`----------*/
int
yyparse (void)
{
int yystate;
/* Number of tokens to shift before error messages enabled. */
int yyerrstatus;
/* The stacks and their tools:
'yyss': related to states.
'yyvs': related to semantic values.
Refer to the stacks through separate pointers, to allow yyoverflow
to reallocate them elsewhere. */
/* The state stack. */
yytype_int16 yyssa[YYINITDEPTH];
yytype_int16 *yyss;
yytype_int16 *yyssp;
/* The semantic value stack. */
YYSTYPE yyvsa[YYINITDEPTH];
YYSTYPE *yyvs;
YYSTYPE *yyvsp;
YYSIZE_T yystacksize;
int yyn;
int yyresult;
/* Lookahead token as an internal (translated) token number. */
int yytoken = 0;
/* The variables used to return semantic value and location from the
action routines. */
YYSTYPE yyval;
#if YYERROR_VERBOSE
/* Buffer for error messages, and its allocated size. */
char yymsgbuf[128];
char *yymsg = yymsgbuf;
YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
#endif
#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
/* The number of symbols on the RHS of the reduced rule.
Keep to zero when no symbol should be popped. */
int yylen = 0;
yyssp = yyss = yyssa;
yyvsp = yyvs = yyvsa;
yystacksize = YYINITDEPTH;
YYDPRINTF ((stderr, "Starting parse\n"));
yystate = 0;
yyerrstatus = 0;
yynerrs = 0;
yychar = YYEMPTY; /* Cause a token to be read. */
goto yysetstate;
/*------------------------------------------------------------.
| yynewstate -- push a new state, which is found in yystate. |
`------------------------------------------------------------*/
yynewstate:
/* In all cases, when you get here, the value and location stacks
have just been pushed. So pushing a state here evens the stacks. */
yyssp++;
/*--------------------------------------------------------------------.
| yynewstate -- set current state (the top of the stack) to yystate. |
`--------------------------------------------------------------------*/
yysetstate:
YYDPRINTF ((stderr, "Entering state %d\n", yystate));
YY_ASSERT (0 <= yystate && yystate < YYNSTATES);
*yyssp = (yytype_int16) yystate;
if (yyss + yystacksize - 1 <= yyssp)
#if !defined yyoverflow && !defined YYSTACK_RELOCATE
goto yyexhaustedlab;
#else
{
/* Get the current used size of the three stacks, in elements. */
YYSIZE_T yysize = (YYSIZE_T) (yyssp - yyss + 1);
# if defined yyoverflow
{
/* Give user a chance to reallocate the stack. Use copies of
these so that the &'s don't force the real ones into
memory. */
YYSTYPE *yyvs1 = yyvs;
yytype_int16 *yyss1 = yyss;
/* Each stack pointer address is followed by the size of the
data in use in that stack, in bytes. This used to be a
conditional around just the two extra args, but that might
be undefined if yyoverflow is a macro. */
yyoverflow (YY_("memory exhausted"),
&yyss1, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp),
&yystacksize);
yyss = yyss1;
yyvs = yyvs1;
}
# else /* defined YYSTACK_RELOCATE */
/* Extend the stack our own way. */
if (YYMAXDEPTH <= yystacksize)
goto yyexhaustedlab;
yystacksize *= 2;
if (YYMAXDEPTH < yystacksize)
yystacksize = YYMAXDEPTH;
{
yytype_int16 *yyss1 = yyss;
union yyalloc *yyptr =
(union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
if (! yyptr)
goto yyexhaustedlab;
YYSTACK_RELOCATE (yyss_alloc, yyss);
YYSTACK_RELOCATE (yyvs_alloc, yyvs);
# undef YYSTACK_RELOCATE
if (yyss1 != yyssa)
YYSTACK_FREE (yyss1);
}
# endif
yyssp = yyss + yysize - 1;
yyvsp = yyvs + yysize - 1;
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
(unsigned long) yystacksize));
if (yyss + yystacksize - 1 <= yyssp)
YYABORT;
}
#endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
if (yystate == YYFINAL)
YYACCEPT;
goto yybackup;
/*-----------.
| yybackup. |
`-----------*/
yybackup:
/* Do appropriate processing given the current state. Read a
lookahead token if we need one and don't already have one. */
/* First try to decide what to do without reference to lookahead token. */
yyn = yypact[yystate];
if (yypact_value_is_default (yyn))
goto yydefault;
/* Not known => get a lookahead token if don't already have one. */
/* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
if (yychar == YYEMPTY)
{
YYDPRINTF ((stderr, "Reading a token: "));
yychar = yylex ();
}
if (yychar <= YYEOF)
{
yychar = yytoken = YYEOF;
YYDPRINTF ((stderr, "Now at end of input.\n"));
}
else
{
yytoken = YYTRANSLATE (yychar);
YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
}
/* If the proper action on seeing token YYTOKEN is to reduce or to
detect an error, take that action. */
yyn += yytoken;
if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
goto yydefault;
yyn = yytable[yyn];
if (yyn <= 0)
{
if (yytable_value_is_error (yyn))
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
/* Count tokens shifted since error; after three, turn off error
status. */
if (yyerrstatus)
yyerrstatus--;
/* Shift the lookahead token. */
YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
/* Discard the shifted token. */
yychar = YYEMPTY;
yystate = yyn;
YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
*++yyvsp = yylval;
YY_IGNORE_MAYBE_UNINITIALIZED_END
goto yynewstate;
/*-----------------------------------------------------------.
| yydefault -- do the default action for the current state. |
`-----------------------------------------------------------*/
yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
goto yyreduce;
/*-----------------------------.
| yyreduce -- do a reduction. |
`-----------------------------*/
yyreduce:
/* yyn is the number of a rule to reduce with. */
yylen = yyr2[yyn];
/* If YYLEN is nonzero, implement the default value of the action:
'$$ = $1'.
Otherwise, the following line sets YYVAL to garbage.
This behavior is undocumented and Bison
users should not rely upon it. Assigning to YYVAL
unconditionally makes the parser a bit smaller, and it avoids a
GCC warning that YYVAL may be used uninitialized. */
yyval = yyvsp[1-yylen];
YY_REDUCE_PRINT (yyn);
switch (yyn)
{
case 4:
#line 192 "getdate.y"
{
yyHaveTime++;
}
#line 1457 "getdate.c"
break;
case 5:
#line 195 "getdate.y"
{
yyHaveZone++;
}
#line 1465 "getdate.c"
break;
case 6:
#line 198 "getdate.y"
{
yyHaveDate++;
}
#line 1473 "getdate.c"
break;
case 7:
#line 201 "getdate.y"
{
yyHaveDay++;
}
#line 1481 "getdate.c"
break;
case 8:
#line 204 "getdate.y"
{
yyHaveRel++;
}
#line 1489 "getdate.c"
break;
case 10:
#line 210 "getdate.y"
{
yyHour = (yyvsp[-1].Number);
yyMinutes = 0;
yySeconds = 0;
yyMeridian = (yyvsp[0].Meridian);
}
#line 1500 "getdate.c"
break;
case 11:
#line 216 "getdate.y"
{
yyHour = (yyvsp[-3].Number);
yyMinutes = (yyvsp[-1].Number);
yySeconds = 0;
yyMeridian = (yyvsp[0].Meridian);
}
#line 1511 "getdate.c"
break;
case 12:
#line 222 "getdate.y"
{
yyHour = (yyvsp[-3].Number);
yyMinutes = (yyvsp[-1].Number);
yyMeridian = MER24;
yyHaveZone++;
yyTimezone = ((yyvsp[0].Number) < 0
? -(yyvsp[0].Number) % 100 + (-(yyvsp[0].Number) / 100) * 60
: - ((yyvsp[0].Number) % 100 + ((yyvsp[0].Number) / 100) * 60));
}
#line 1525 "getdate.c"
break;
case 13:
#line 231 "getdate.y"
{
yyHour = (yyvsp[-5].Number);
yyMinutes = (yyvsp[-3].Number);
yySeconds = (yyvsp[-1].Number);
yyMeridian = (yyvsp[0].Meridian);
}
#line 1536 "getdate.c"
break;
case 14:
#line 237 "getdate.y"
{
yyHour = (yyvsp[-5].Number);
yyMinutes = (yyvsp[-3].Number);
yySeconds = (yyvsp[-1].Number);
yyMeridian = MER24;
yyHaveZone++;
yyTimezone = ((yyvsp[0].Number) < 0
? -(yyvsp[0].Number) % 100 + (-(yyvsp[0].Number) / 100) * 60
: - ((yyvsp[0].Number) % 100 + ((yyvsp[0].Number) / 100) * 60));
}
#line 1551 "getdate.c"
break;
case 15:
#line 249 "getdate.y"
{
yyTimezone = (yyvsp[0].Number);
}
#line 1559 "getdate.c"
break;
case 16:
#line 252 "getdate.y"
{
yyTimezone = (yyvsp[0].Number) - 60;
}
#line 1567 "getdate.c"
break;
case 17:
#line 256 "getdate.y"
{
yyTimezone = (yyvsp[-1].Number) - 60;
}
#line 1575 "getdate.c"
break;
case 18:
#line 261 "getdate.y"
{
yyDayOrdinal = 1;
yyDayNumber = (yyvsp[0].Number);
}
#line 1584 "getdate.c"
break;
case 19:
#line 265 "getdate.y"
{
yyDayOrdinal = 1;
yyDayNumber = (yyvsp[-1].Number);
}
#line 1593 "getdate.c"
break;
case 20:
#line 269 "getdate.y"
{
yyDayOrdinal = (yyvsp[-1].Number);
yyDayNumber = (yyvsp[0].Number);
}
#line 1602 "getdate.c"
break;
case 21:
#line 275 "getdate.y"
{
yyMonth = (yyvsp[-2].Number);
yyDay = (yyvsp[0].Number);
}
#line 1611 "getdate.c"
break;
case 22:
#line 279 "getdate.y"
{
/* Interpret as YYYY/MM/DD if $1 >= 1000, otherwise as MM/DD/YY.
The goal in recognizing YYYY/MM/DD is solely to support legacy
machine-generated dates like those in an RCS log listing. If
you want portability, use the ISO 8601 format. */
if ((yyvsp[-4].Number) >= 1000)
{
yyYear = (yyvsp[-4].Number);
yyMonth = (yyvsp[-2].Number);
yyDay = (yyvsp[0].Number);
}
else
{
yyMonth = (yyvsp[-4].Number);
yyDay = (yyvsp[-2].Number);
yyYear = (yyvsp[0].Number);
}
}
#line 1634 "getdate.c"
break;
case 23:
#line 297 "getdate.y"
{
/* ISO 8601 format. yyyy-mm-dd. */
yyYear = (yyvsp[-2].Number);
yyMonth = -(yyvsp[-1].Number);
yyDay = -(yyvsp[0].Number);
}
#line 1645 "getdate.c"
break;
case 24:
#line 303 "getdate.y"
{
/* e.g. 17-JUN-1992. */
yyDay = (yyvsp[-2].Number);
yyMonth = (yyvsp[-1].Number);
yyYear = -(yyvsp[0].Number);
}
#line 1656 "getdate.c"
break;
case 25:
#line 309 "getdate.y"
{
yyMonth = (yyvsp[-1].Number);
yyDay = (yyvsp[0].Number);
}
#line 1665 "getdate.c"
break;
case 26:
#line 313 "getdate.y"
{
yyMonth = (yyvsp[-3].Number);
yyDay = (yyvsp[-2].Number);
yyYear = (yyvsp[0].Number);
}
#line 1675 "getdate.c"
break;
case 27:
#line 318 "getdate.y"
{
yyMonth = (yyvsp[0].Number);
yyDay = (yyvsp[-1].Number);
}
#line 1684 "getdate.c"
break;
case 28:
#line 322 "getdate.y"
{
yyMonth = (yyvsp[-1].Number);
yyDay = (yyvsp[-2].Number);
yyYear = (yyvsp[0].Number);
}
#line 1694 "getdate.c"
break;
case 29:
#line 329 "getdate.y"
{
yyRelSeconds = -yyRelSeconds;
yyRelMinutes = -yyRelMinutes;
yyRelHour = -yyRelHour;
yyRelDay = -yyRelDay;
yyRelMonth = -yyRelMonth;
yyRelYear = -yyRelYear;
}
#line 1707 "getdate.c"
break;
case 31:
#line 340 "getdate.y"
{
yyRelYear += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1715 "getdate.c"
break;
case 32:
#line 343 "getdate.y"
{
yyRelYear += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1723 "getdate.c"
break;
case 33:
#line 346 "getdate.y"
{
yyRelYear++;
}
#line 1731 "getdate.c"
break;
case 34:
#line 349 "getdate.y"
{
yyRelMonth += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1739 "getdate.c"
break;
case 35:
#line 352 "getdate.y"
{
yyRelMonth += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1747 "getdate.c"
break;
case 36:
#line 355 "getdate.y"
{
yyRelMonth++;
}
#line 1755 "getdate.c"
break;
case 37:
#line 358 "getdate.y"
{
yyRelDay += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1763 "getdate.c"
break;
case 38:
#line 361 "getdate.y"
{
yyRelDay += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1771 "getdate.c"
break;
case 39:
#line 364 "getdate.y"
{
yyRelDay++;
}
#line 1779 "getdate.c"
break;
case 40:
#line 367 "getdate.y"
{
yyRelHour += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1787 "getdate.c"
break;
case 41:
#line 370 "getdate.y"
{
yyRelHour += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1795 "getdate.c"
break;
case 42:
#line 373 "getdate.y"
{
yyRelHour++;
}
#line 1803 "getdate.c"
break;
case 43:
#line 376 "getdate.y"
{
yyRelMinutes += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1811 "getdate.c"
break;
case 44:
#line 379 "getdate.y"
{
yyRelMinutes += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1819 "getdate.c"
break;
case 45:
#line 382 "getdate.y"
{
yyRelMinutes++;
}
#line 1827 "getdate.c"
break;
case 46:
#line 385 "getdate.y"
{
yyRelSeconds += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1835 "getdate.c"
break;
case 47:
#line 388 "getdate.y"
{
yyRelSeconds += (yyvsp[-1].Number) * (yyvsp[0].Number);
}
#line 1843 "getdate.c"
break;
case 48:
#line 391 "getdate.y"
{
yyRelSeconds++;
}
#line 1851 "getdate.c"
break;
case 49:
#line 397 "getdate.y"
{
if ((yyHaveTime != 0) && (yyHaveDate != 0) && (yyHaveRel == 0))
yyYear = (yyvsp[0].Number);
else
{
if ((yyvsp[0].Number)>10000)
{
yyHaveDate++;
yyDay= ((yyvsp[0].Number))%100;
yyMonth= ((yyvsp[0].Number)/100)%100;
yyYear = (yyvsp[0].Number)/10000;
}
else
{
yyHaveTime++;
if ((yyvsp[0].Number) < 100)
{
yyHour = (yyvsp[0].Number);
yyMinutes = 0;
}
else
{
yyHour = (yyvsp[0].Number) / 100;
yyMinutes = (yyvsp[0].Number) % 100;
}
yySeconds = 0;
yyMeridian = MER24;
}
}
}
#line 1886 "getdate.c"
break;
case 50:
#line 430 "getdate.y"
{
(yyval.Meridian) = MER24;
}
#line 1894 "getdate.c"
break;
case 51:
#line 434 "getdate.y"
{
(yyval.Meridian) = (yyvsp[0].Meridian);
}
#line 1902 "getdate.c"
break;
#line 1906 "getdate.c"
default: break;
}
/* User semantic actions sometimes alter yychar, and that requires
that yytoken be updated with the new translation. We take the
approach of translating immediately before every use of yytoken.
One alternative is translating here after every semantic action,
but that translation would be missed if the semantic action invokes
YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an
incorrect destructor might then be invoked immediately. In the
case of YYERROR or YYBACKUP, subsequent parser actions might lead
to an incorrect destructor call or verbose syntax error message
before the lookahead is translated. */
YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
YYPOPSTACK (yylen);
yylen = 0;
YY_STACK_PRINT (yyss, yyssp);
*++yyvsp = yyval;
/* Now 'shift' the result of the reduction. Determine what state
that goes to, based on the state we popped back to and the rule
number reduced by. */
{
const int yylhs = yyr1[yyn] - YYNTOKENS;
const int yyi = yypgoto[yylhs] + *yyssp;
yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
? yytable[yyi]
: yydefgoto[yylhs]);
}
goto yynewstate;
/*--------------------------------------.
| yyerrlab -- here on detecting error. |
`--------------------------------------*/
yyerrlab:
/* Make sure we have latest lookahead translation. See comments at
user semantic actions for why this is necessary. */
yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
/* If not already recovering from an error, report this error. */
if (!yyerrstatus)
{
++yynerrs;
#if ! YYERROR_VERBOSE
yyerror (YY_("syntax error"));
#else
# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \
yyssp, yytoken)
{
char const *yymsgp = YY_("syntax error");
int yysyntax_error_status;
yysyntax_error_status = YYSYNTAX_ERROR;
if (yysyntax_error_status == 0)
yymsgp = yymsg;
else if (yysyntax_error_status == 1)
{
if (yymsg != yymsgbuf)
YYSTACK_FREE (yymsg);
yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc);
if (!yymsg)
{
yymsg = yymsgbuf;
yymsg_alloc = sizeof yymsgbuf;
yysyntax_error_status = 2;
}
else
{
yysyntax_error_status = YYSYNTAX_ERROR;
yymsgp = yymsg;
}
}
yyerror (yymsgp);
if (yysyntax_error_status == 2)
goto yyexhaustedlab;
}
# undef YYSYNTAX_ERROR
#endif
}
if (yyerrstatus == 3)
{
/* If just tried and failed to reuse lookahead token after an
error, discard it. */
if (yychar <= YYEOF)
{
/* Return failure if at end of input. */
if (yychar == YYEOF)
YYABORT;
}
else
{
yydestruct ("Error: discarding",
yytoken, &yylval);
yychar = YYEMPTY;
}
}
/* Else will try to reuse lookahead token after shifting the error
token. */
goto yyerrlab1;
/*---------------------------------------------------.
| yyerrorlab -- error raised explicitly by YYERROR. |
`---------------------------------------------------*/
yyerrorlab:
/* Pacify compilers when the user code never invokes YYERROR and the
label yyerrorlab therefore never appears in user code. */
if (0)
YYERROR;
/* Do not reclaim the symbols of the rule whose action triggered
this YYERROR. */
YYPOPSTACK (yylen);
yylen = 0;
YY_STACK_PRINT (yyss, yyssp);
yystate = *yyssp;
goto yyerrlab1;
/*-------------------------------------------------------------.
| yyerrlab1 -- common code for both syntax error and YYERROR. |
`-------------------------------------------------------------*/
yyerrlab1:
yyerrstatus = 3; /* Each real token shifted decrements this. */
for (;;)
{
yyn = yypact[yystate];
if (!yypact_value_is_default (yyn))
{
yyn += YYTERROR;
if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
{
yyn = yytable[yyn];
if (0 < yyn)
break;
}
}
/* Pop the current state because it cannot handle the error token. */
if (yyssp == yyss)
YYABORT;
yydestruct ("Error: popping",
yystos[yystate], yyvsp);
YYPOPSTACK (1);
yystate = *yyssp;
YY_STACK_PRINT (yyss, yyssp);
}
YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
*++yyvsp = yylval;
YY_IGNORE_MAYBE_UNINITIALIZED_END
/* Shift the error token. */
YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
yystate = yyn;
goto yynewstate;
/*-------------------------------------.
| yyacceptlab -- YYACCEPT comes here. |
`-------------------------------------*/
yyacceptlab:
yyresult = 0;
goto yyreturn;
/*-----------------------------------.
| yyabortlab -- YYABORT comes here. |
`-----------------------------------*/
yyabortlab:
yyresult = 1;
goto yyreturn;
#if !defined yyoverflow || YYERROR_VERBOSE
/*-------------------------------------------------.
| yyexhaustedlab -- memory exhaustion comes here. |
`-------------------------------------------------*/
yyexhaustedlab:
yyerror (YY_("memory exhausted"));
yyresult = 2;
/* Fall through. */
#endif
/*-----------------------------------------------------.
| yyreturn -- parsing is finished, return the result. |
`-----------------------------------------------------*/
yyreturn:
if (yychar != YYEMPTY)
{
/* Make sure we have latest lookahead translation. See comments at
user semantic actions for why this is necessary. */
yytoken = YYTRANSLATE (yychar);
yydestruct ("Cleanup: discarding lookahead",
yytoken, &yylval);
}
/* Do not reclaim the symbols of the rule whose action triggered
this YYABORT or YYACCEPT. */
YYPOPSTACK (yylen);
YY_STACK_PRINT (yyss, yyssp);
while (yyssp != yyss)
{
yydestruct ("Cleanup: popping",
yystos[*yyssp], yyvsp);
YYPOPSTACK (1);
}
#ifndef yyoverflow
if (yyss != yyssa)
YYSTACK_FREE (yyss);
#endif
#if YYERROR_VERBOSE
if (yymsg != yymsgbuf)
YYSTACK_FREE (yymsg);
#endif
return yyresult;
}
#line 439 "getdate.y"
/* Month and day table. */
static TABLE const MonthDayTable[] = {
{ "january", tMONTH, 1 },
{ "february", tMONTH, 2 },
{ "march", tMONTH, 3 },
{ "april", tMONTH, 4 },
{ "may", tMONTH, 5 },
{ "june", tMONTH, 6 },
{ "july", tMONTH, 7 },
{ "august", tMONTH, 8 },
{ "september", tMONTH, 9 },
{ "sept", tMONTH, 9 },
{ "october", tMONTH, 10 },
{ "november", tMONTH, 11 },
{ "december", tMONTH, 12 },
{ "sunday", tDAY, 0 },
{ "monday", tDAY, 1 },
{ "tuesday", tDAY, 2 },
{ "tues", tDAY, 2 },
{ "wednesday", tDAY, 3 },
{ "wednes", tDAY, 3 },
{ "thursday", tDAY, 4 },
{ "thur", tDAY, 4 },
{ "thurs", tDAY, 4 },
{ "friday", tDAY, 5 },
{ "saturday", tDAY, 6 },
{ NULL, 0, 0 }
};
/* Time units table. */
static TABLE const UnitsTable[] = {
{ "year", tYEAR_UNIT, 1 },
{ "month", tMONTH_UNIT, 1 },
{ "fortnight", tDAY_UNIT, 14 },
{ "week", tDAY_UNIT, 7 },
{ "day", tDAY_UNIT, 1 },
{ "hour", tHOUR_UNIT, 1 },
{ "minute", tMINUTE_UNIT, 1 },
{ "min", tMINUTE_UNIT, 1 },
{ "second", tSEC_UNIT, 1 },
{ "sec", tSEC_UNIT, 1 },
{ NULL, 0, 0 }
};
/* Assorted relative-time words. */
static TABLE const OtherTable[] = {
{ "tomorrow", tMINUTE_UNIT, 1 * 24 * 60 },
{ "yesterday", tMINUTE_UNIT, -1 * 24 * 60 },
{ "today", tMINUTE_UNIT, 0 },
{ "now", tMINUTE_UNIT, 0 },
{ "last", tUNUMBER, -1 },
{ "this", tMINUTE_UNIT, 0 },
{ "next", tUNUMBER, 2 },
{ "first", tUNUMBER, 1 },
/* { "second", tUNUMBER, 2 }, */
{ "third", tUNUMBER, 3 },
{ "fourth", tUNUMBER, 4 },
{ "fifth", tUNUMBER, 5 },
{ "sixth", tUNUMBER, 6 },
{ "seventh", tUNUMBER, 7 },
{ "eighth", tUNUMBER, 8 },
{ "ninth", tUNUMBER, 9 },
{ "tenth", tUNUMBER, 10 },
{ "eleventh", tUNUMBER, 11 },
{ "twelfth", tUNUMBER, 12 },
{ "ago", tAGO, 1 },
{ NULL, 0, 0 }
};
/* The timezone table. */
static TABLE const TimezoneTable[] = {
{ "gmt", tZONE, HOUR ( 0) }, /* Greenwich Mean */
{ "ut", tZONE, HOUR ( 0) }, /* Universal (Coordinated) */
{ "utc", tZONE, HOUR ( 0) },
{ "wet", tZONE, HOUR ( 0) }, /* Western European */
{ "bst", tDAYZONE, HOUR ( 0) }, /* British Summer */
{ "wat", tZONE, HOUR ( 1) }, /* West Africa */
{ "at", tZONE, HOUR ( 2) }, /* Azores */
{ "ast", tZONE, HOUR ( 4) }, /* Atlantic Standard */
{ "adt", tDAYZONE, HOUR ( 4) }, /* Atlantic Daylight */
{ "est", tZONE, HOUR ( 5) }, /* Eastern Standard */
{ "edt", tDAYZONE, HOUR ( 5) }, /* Eastern Daylight */
{ "cst", tZONE, HOUR ( 6) }, /* Central Standard */
{ "cdt", tDAYZONE, HOUR ( 6) }, /* Central Daylight */
{ "mst", tZONE, HOUR ( 7) }, /* Mountain Standard */
{ "mdt", tDAYZONE, HOUR ( 7) }, /* Mountain Daylight */
{ "pst", tZONE, HOUR ( 8) }, /* Pacific Standard */
{ "pdt", tDAYZONE, HOUR ( 8) }, /* Pacific Daylight */
{ "yst", tZONE, HOUR ( 9) }, /* Yukon Standard */
{ "ydt", tDAYZONE, HOUR ( 9) }, /* Yukon Daylight */
{ "hst", tZONE, HOUR (10) }, /* Hawaii Standard */
{ "hdt", tDAYZONE, HOUR (10) }, /* Hawaii Daylight */
{ "cat", tZONE, HOUR (10) }, /* Central Alaska */
{ "ahst", tZONE, HOUR (10) }, /* Alaska-Hawaii Standard */
{ "nt", tZONE, HOUR (11) }, /* Nome */
{ "idlw", tZONE, HOUR (12) }, /* International Date Line West */
{ "cet", tZONE, -HOUR (1) }, /* Central European */
{ "met", tZONE, -HOUR (1) }, /* Middle European */
{ "mewt", tZONE, -HOUR (1) }, /* Middle European Winter */
{ "mest", tDAYZONE, -HOUR (1) }, /* Middle European Summer */
{ "mesz", tDAYZONE, -HOUR (1) }, /* Middle European Summer */
{ "swt", tZONE, -HOUR (1) }, /* Swedish Winter */
{ "sst", tDAYZONE, -HOUR (1) }, /* Swedish Summer */
{ "fwt", tZONE, -HOUR (1) }, /* French Winter */
{ "fst", tDAYZONE, -HOUR (1) }, /* French Summer */
{ "eet", tZONE, -HOUR (2) }, /* Eastern Europe, USSR Zone 1 */
{ "bt", tZONE, -HOUR (3) }, /* Baghdad, USSR Zone 2 */
{ "zp4", tZONE, -HOUR (4) }, /* USSR Zone 3 */
{ "zp5", tZONE, -HOUR (5) }, /* USSR Zone 4 */
{ "zp6", tZONE, -HOUR (6) }, /* USSR Zone 5 */
{ "wast", tZONE, -HOUR (7) }, /* West Australian Standard */
{ "wadt", tDAYZONE, -HOUR (7) }, /* West Australian Daylight */
{ "cct", tZONE, -HOUR (8) }, /* China Coast, USSR Zone 7 */
{ "jst", tZONE, -HOUR (9) }, /* Japan Standard, USSR Zone 8 */
{ "east", tZONE, -HOUR (10) }, /* Eastern Australian Standard */
{ "eadt", tDAYZONE, -HOUR (10) }, /* Eastern Australian Daylight */
{ "gst", tZONE, -HOUR (10) }, /* Guam Standard, USSR Zone 9 */
{ "nzt", tZONE, -HOUR (12) }, /* New Zealand */
{ "nzst", tZONE, -HOUR (12) }, /* New Zealand Standard */
{ "nzdt", tDAYZONE, -HOUR (12) }, /* New Zealand Daylight */
{ "idle", tZONE, -HOUR (12) }, /* International Date Line East */
{ NULL, 0, 0 }
};
/* Military timezone table. */
static TABLE const MilitaryTable[] = {
{ "a", tZONE, HOUR ( 1) },
{ "b", tZONE, HOUR ( 2) },
{ "c", tZONE, HOUR ( 3) },
{ "d", tZONE, HOUR ( 4) },
{ "e", tZONE, HOUR ( 5) },
{ "f", tZONE, HOUR ( 6) },
{ "g", tZONE, HOUR ( 7) },
{ "h", tZONE, HOUR ( 8) },
{ "i", tZONE, HOUR ( 9) },
{ "k", tZONE, HOUR ( 10) },
{ "l", tZONE, HOUR ( 11) },
{ "m", tZONE, HOUR ( 12) },
{ "n", tZONE, HOUR (- 1) },
{ "o", tZONE, HOUR (- 2) },
{ "p", tZONE, HOUR (- 3) },
{ "q", tZONE, HOUR (- 4) },
{ "r", tZONE, HOUR (- 5) },
{ "s", tZONE, HOUR (- 6) },
{ "t", tZONE, HOUR (- 7) },
{ "u", tZONE, HOUR (- 8) },
{ "v", tZONE, HOUR (- 9) },
{ "w", tZONE, HOUR (-10) },
{ "x", tZONE, HOUR (-11) },
{ "y", tZONE, HOUR (-12) },
{ "z", tZONE, HOUR ( 0) },
{ NULL, 0, 0 }
};
static int yyerror (unused const char *s)
{
return 0;
}
static int ToHour (int Hours, MERIDIAN Meridian)
{
switch (Meridian)
{
case MER24:
if (Hours < 0 || Hours > 23)
return -1;
return Hours;
case MERam:
if (Hours < 1 || Hours > 12)
return -1;
if (Hours == 12)
Hours = 0;
return Hours;
case MERpm:
if (Hours < 1 || Hours > 12)
return -1;
if (Hours == 12)
Hours = 0;
return Hours + 12;
default:
abort ();
}
/* NOTREACHED */
}
static int ToYear (int Year)
{
if (Year < 0)
Year = -Year;
/* XPG4 suggests that years 00-68 map to 2000-2068, and
years 69-99 map to 1969-1999. */
if (Year < 69)
Year += 2000;
else if (Year < 100)
Year += 1900;
return Year;
}
static int LookupWord (char *buff)
{
register char *p;
register char *q;
register const TABLE *tp;
int i;
bool abbrev;
/* Make it lowercase. */
for (p = buff; '\0' != *p; p++)
if (ISUPPER (*p))
*p = tolower (*p);
if (strcmp (buff, "am") == 0 || strcmp (buff, "a.m.") == 0)
{
yylval.Meridian = MERam;
return tMERIDIAN;
}
if (strcmp (buff, "pm") == 0 || strcmp (buff, "p.m.") == 0)
{
yylval.Meridian = MERpm;
return tMERIDIAN;
}
/* See if we have an abbreviation for a month. */
if (strlen (buff) == 3)
abbrev = true;
else if (strlen (buff) == 4 && buff[3] == '.')
{
abbrev = true;
buff[3] = '\0';
}
else
abbrev = false;
for (tp = MonthDayTable; tp->name; tp++)
{
if (abbrev)
{
if (strncmp (buff, tp->name, 3) == 0)
{
yylval.Number = tp->value;
return tp->type;
}
}
else if (strcmp (buff, tp->name) == 0)
{
yylval.Number = tp->value;
return tp->type;
}
}
for (tp = TimezoneTable; tp->name; tp++)
if (strcmp (buff, tp->name) == 0)
{
yylval.Number = tp->value;
return tp->type;
}
if (strcmp (buff, "dst") == 0)
return tDST;
for (tp = UnitsTable; tp->name; tp++)
if (strcmp (buff, tp->name) == 0)
{
yylval.Number = tp->value;
return tp->type;
}
/* Strip off any plural and try the units table again. */
i = strlen (buff) - 1;
if (buff[i] == 's')
{
buff[i] = '\0';
for (tp = UnitsTable; tp->name; tp++)
if (strcmp (buff, tp->name) == 0)
{
yylval.Number = tp->value;
return tp->type;
}
buff[i] = 's'; /* Put back for "this" in OtherTable. */
}
for (tp = OtherTable; tp->name; tp++)
if (strcmp (buff, tp->name) == 0)
{
yylval.Number = tp->value;
return tp->type;
}
/* Military timezones. */
if (buff[1] == '\0' && ISALPHA (*buff))
{
for (tp = MilitaryTable; tp->name; tp++)
if (strcmp (buff, tp->name) == 0)
{
yylval.Number = tp->value;
return tp->type;
}
}
/* Drop out any periods and try the timezone table again. */
for (i = 0, p = q = buff; '\0' != *q; q++)
if (*q != '.')
*p++ = *q;
else
i++;
*p = '\0';
if (0 != i)
for (tp = TimezoneTable; NULL != tp->name; tp++)
if (strcmp (buff, tp->name) == 0)
{
yylval.Number = tp->value;
return tp->type;
}
return tID;
}
static int
yylex (void)
{
register char c;
register char *p;
char buff[20];
int Count;
int sign;
for (;;)
{
while (ISSPACE (*yyInput))
yyInput++;
if (ISDIGIT (c = *yyInput) || c == '-' || c == '+')
{
if (c == '-' || c == '+')
{
sign = c == '-' ? -1 : 1;
if (!ISDIGIT (*++yyInput))
/* skip the '-' sign */
continue;
}
else
sign = 0;
for (yylval.Number = 0; ISDIGIT (c = *yyInput++);)
yylval.Number = 10 * yylval.Number + c - '0';
yyInput--;
if (sign < 0)
yylval.Number = -yylval.Number;
return (0 != sign) ? tSNUMBER : tUNUMBER;
}
if (ISALPHA (c))
{
for (p = buff; (c = *yyInput++, ISALPHA (c)) || c == '.';)
if (p < &buff[sizeof buff - 1])
*p++ = c;
*p = '\0';
yyInput--;
return LookupWord (buff);
}
if (c != '(')
return *yyInput++;
Count = 0;
do
{
c = *yyInput++;
if (c == '\0')
return c;
if (c == '(')
Count++;
else if (c == ')')
Count--;
}
while (Count > 0);
}
}
#define TM_YEAR_ORIGIN 1900
/* Yield A - B, measured in seconds. */
static long difftm (struct tm *a, struct tm *b)
{
int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
long days = (
/* difference in day of year */
a->tm_yday - b->tm_yday
/* + intervening leap days */
+ ((ay >> 2) - (by >> 2))
- (ay / 100 - by / 100)
+ ((ay / 100 >> 2) - (by / 100 >> 2))
/* + difference in years * 365 */
+ (long) (ay - by) * 365
);
return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour))
+ (a->tm_min - b->tm_min))
+ (a->tm_sec - b->tm_sec));
}
time_t get_date (const char *p, const time_t *now)
{
struct tm tm, tm0, *tmp;
time_t Start;
yyInput = p;
Start = now ? *now : time ((time_t *) NULL);
tmp = localtime (&Start);
yyYear = tmp->tm_year + TM_YEAR_ORIGIN;
yyMonth = tmp->tm_mon + 1;
yyDay = tmp->tm_mday;
yyHour = tmp->tm_hour;
yyMinutes = tmp->tm_min;
yySeconds = tmp->tm_sec;
yyMeridian = MER24;
yyRelSeconds = 0;
yyRelMinutes = 0;
yyRelHour = 0;
yyRelDay = 0;
yyRelMonth = 0;
yyRelYear = 0;
yyHaveDate = 0;
yyHaveDay = 0;
yyHaveRel = 0;
yyHaveTime = 0;
yyHaveZone = 0;
if (yyparse ()
|| yyHaveTime > 1 || yyHaveZone > 1 || yyHaveDate > 1 || yyHaveDay > 1)
return -1;
tm.tm_year = ToYear (yyYear) - TM_YEAR_ORIGIN + yyRelYear;
tm.tm_mon = yyMonth - 1 + yyRelMonth;
tm.tm_mday = yyDay + yyRelDay;
if ((yyHaveTime != 0) ||
( (yyHaveRel != 0) && (yyHaveDate == 0) && (yyHaveDay == 0) ))
{
tm.tm_hour = ToHour (yyHour, yyMeridian);
if (tm.tm_hour < 0)
return -1;
tm.tm_min = yyMinutes;
tm.tm_sec = yySeconds;
}
else
{
tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
}
tm.tm_hour += yyRelHour;
tm.tm_min += yyRelMinutes;
tm.tm_sec += yyRelSeconds;
tm.tm_isdst = -1;
tm0 = tm;
Start = mktime (&tm);
if (Start == (time_t) -1)
{
/* Guard against falsely reporting errors near the time_t boundaries
when parsing times in other time zones. For example, if the min
time_t value is 1970-01-01 00:00:00 UTC and we are 8 hours ahead
of UTC, then the min localtime value is 1970-01-01 08:00:00; if
we apply mktime to 1970-01-01 00:00:00 we will get an error, so
we apply mktime to 1970-01-02 08:00:00 instead and adjust the time
zone by 24 hours to compensate. This algorithm assumes that
there is no DST transition within a day of the time_t boundaries. */
if (yyHaveZone)
{
tm = tm0;
if (tm.tm_year <= EPOCH - TM_YEAR_ORIGIN)
{
tm.tm_mday++;
yyTimezone -= 24 * 60;
}
else
{
tm.tm_mday--;
yyTimezone += 24 * 60;
}
Start = mktime (&tm);
}
if (Start == (time_t) -1)
return Start;
}
if (yyHaveDay && !yyHaveDate)
{
tm.tm_mday += ((yyDayNumber - tm.tm_wday + 7) % 7
+ 7 * (yyDayOrdinal - (0 < yyDayOrdinal)));
Start = mktime (&tm);
if (Start == (time_t) -1)
return Start;
}
if (yyHaveZone)
{
long delta = yyTimezone * 60L + difftm (&tm, gmtime (&Start));
if ((Start + delta < Start) != (delta < 0))
return -1; /* time_t overflow */
Start += delta;
}
return Start;
}
#if defined (TEST)
/* ARGSUSED */
int
main (ac, av)
int ac;
char *av[];
{
char buff[MAX_BUFF_LEN + 1];
time_t d;
(void) printf ("Enter date, or blank line to exit.\n\t> ");
(void) fflush (stdout);
buff[MAX_BUFF_LEN] = 0;
while (fgets (buff, MAX_BUFF_LEN, stdin) && buff[0])
{
d = get_date (buff, (time_t *) NULL);
if (d == -1)
(void) printf ("Bad format - couldn't convert.\n");
else
(void) printf ("%s", ctime (&d));
(void) printf ("\t> ");
(void) fflush (stdout);
}
exit (0);
/* NOTREACHED */
}
#endif /* defined (TEST) */
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