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shadow/libmisc/getdate.c

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/* A Bison parser, made from getdate.y
by GNU bison 1.35. */
#define YYBISON 1 /* Identify Bison output. */
# define tAGO 257
# define tDAY 258
# define tDAY_UNIT 259
# define tDAYZONE 260
# define tDST 261
# define tHOUR_UNIT 262
# define tID 263
# define tMERIDIAN 264
# define tMINUTE_UNIT 265
# define tMONTH 266
# define tMONTH_UNIT 267
# define tSEC_UNIT 268
# define tSNUMBER 269
# define tUNUMBER 270
# define tYEAR_UNIT 271
# define tZONE 272
#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>
#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) || defined (USG)
# 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
extern struct tm *gmtime ();
extern struct tm *localtime ();
extern time_t mktime ();
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
as well as gratuitiously 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 ();
static int yyerror ();
#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 175 "getdate.y"
#ifndef YYSTYPE
typedef union {
int Number;
enum _MERIDIAN Meridian;
} yystype;
# define YYSTYPE yystype
# define YYSTYPE_IS_TRIVIAL 1
#endif
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#define YYFINAL 61
#define YYFLAG -32768
#define YYNTBASE 22
/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */
#define YYTRANSLATE(x) ((unsigned)(x) <= 272 ? yytranslate[x] : 32)
/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */
static const char yytranslate[] =
{
0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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, 3, 4, 5,
6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18
};
#if YYDEBUG
static const short yyprhs[] =
{
0, 0, 1, 4, 6, 8, 10, 12, 14, 16,
19, 24, 29, 36, 43, 45, 47, 50, 52, 55,
58, 62, 68, 72, 76, 79, 84, 87, 91, 94,
96, 99, 102, 104, 107, 110, 112, 115, 118, 120,
123, 126, 128, 131, 134, 136, 139, 142, 144, 146,
147
};
static const short yyrhs[] =
{
-1, 22, 23, 0, 24, 0, 25, 0, 27, 0,
26, 0, 28, 0, 30, 0, 16, 10, 0, 16,
19, 16, 31, 0, 16, 19, 16, 15, 0, 16,
19, 16, 19, 16, 31, 0, 16, 19, 16, 19,
16, 15, 0, 18, 0, 6, 0, 18, 7, 0,
4, 0, 4, 20, 0, 16, 4, 0, 16, 21,
16, 0, 16, 21, 16, 21, 16, 0, 16, 15,
15, 0, 16, 12, 15, 0, 12, 16, 0, 12,
16, 20, 16, 0, 16, 12, 0, 16, 12, 16,
0, 29, 3, 0, 29, 0, 16, 17, 0, 15,
17, 0, 17, 0, 16, 13, 0, 15, 13, 0,
13, 0, 16, 5, 0, 15, 5, 0, 5, 0,
16, 8, 0, 15, 8, 0, 8, 0, 16, 11,
0, 15, 11, 0, 11, 0, 16, 14, 0, 15,
14, 0, 14, 0, 16, 0, 0, 10, 0
};
#endif
#if YYDEBUG
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const short yyrline[] =
{
0, 191, 192, 195, 198, 201, 204, 207, 210, 213,
219, 225, 234, 240, 252, 255, 258, 264, 268, 272,
278, 282, 300, 306, 312, 316, 321, 325, 332, 340,
343, 346, 349, 352, 355, 358, 361, 364, 367, 370,
373, 376, 379, 382, 385, 388, 391, 394, 399, 432,
436
};
#endif
#if (YYDEBUG) || defined YYERROR_VERBOSE
/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
static const char *const yytname[] =
{
"$", "error", "$undefined.", "tAGO", "tDAY", "tDAY_UNIT", "tDAYZONE",
"tDST", "tHOUR_UNIT", "tID", "tMERIDIAN", "tMINUTE_UNIT", "tMONTH",
"tMONTH_UNIT", "tSEC_UNIT", "tSNUMBER", "tUNUMBER", "tYEAR_UNIT",
"tZONE", "':'", "','", "'/'", "spec", "item", "time", "zone", "day",
"date", "rel", "relunit", "number", "o_merid", 0
};
#endif
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
static const short yyr1[] =
{
0, 22, 22, 23, 23, 23, 23, 23, 23, 24,
24, 24, 24, 24, 25, 25, 25, 26, 26, 26,
27, 27, 27, 27, 27, 27, 27, 27, 28, 28,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 30, 31,
31
};
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
static const short yyr2[] =
{
0, 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
};
/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
doesn't specify something else to do. Zero means the default is an
error. */
static const short yydefact[] =
{
1, 0, 17, 38, 15, 41, 44, 0, 35, 47,
0, 48, 32, 14, 2, 3, 4, 6, 5, 7,
29, 8, 18, 24, 37, 40, 43, 34, 46, 31,
19, 36, 39, 9, 42, 26, 33, 45, 0, 30,
0, 0, 16, 28, 0, 23, 27, 22, 49, 20,
25, 50, 11, 0, 10, 0, 49, 21, 13, 12,
0, 0
};
static const short yydefgoto[] =
{
1, 14, 15, 16, 17, 18, 19, 20, 21, 54
};
static const short yypact[] =
{
-32768, 0, -19,-32768,-32768,-32768,-32768, -13,-32768,-32768,
30, 15,-32768, 14,-32768,-32768,-32768,-32768,-32768,-32768,
19,-32768,-32768, 4,-32768,-32768,-32768,-32768,-32768,-32768,
-32768,-32768,-32768,-32768,-32768, -6,-32768,-32768, 16,-32768,
17, 23,-32768,-32768, 24,-32768,-32768,-32768, 27, 28,
-32768,-32768,-32768, 29,-32768, 32, -8,-32768,-32768,-32768,
50,-32768
};
static const short yypgoto[] =
{
-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, -5
};
#define YYLAST 51
static const short yytable[] =
{
60, 22, 51, 23, 2, 3, 4, 58, 5, 45,
46, 6, 7, 8, 9, 10, 11, 12, 13, 30,
31, 42, 43, 32, 44, 33, 34, 35, 36, 37,
38, 47, 39, 48, 40, 24, 41, 51, 25, 49,
50, 26, 52, 27, 28, 56, 53, 29, 57, 55,
61, 59
};
static const short 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,
0, 56
};
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "/usr/share/misc/bison.simple"
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software
Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
/* This is the parser code that is written into each bison parser when
the %semantic_parser declaration is not specified in the grammar.
It was written by Richard Stallman by simplifying the hairy parser
used when %semantic_parser is specified. */
/* 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. */
#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
/* The parser invokes alloca or malloc; define the necessary symbols. */
# if YYSTACK_USE_ALLOCA
# define YYSTACK_ALLOC alloca
# else
# ifndef YYSTACK_USE_ALLOCA
# if defined (alloca) || defined (_ALLOCA_H)
# define YYSTACK_ALLOC alloca
# else
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
# endif
# endif
# endif
# endif
# ifdef YYSTACK_ALLOC
/* Pacify GCC's `empty if-body' warning. */
# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
# else
# if defined (__STDC__) || defined (__cplusplus)
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# endif
# define YYSTACK_ALLOC malloc
# define YYSTACK_FREE free
# endif
#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */
#if (! defined (yyoverflow) \
&& (! defined (__cplusplus) \
|| (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
short yyss;
YYSTYPE yyvs;
# if YYLSP_NEEDED
YYLTYPE yyls;
# endif
};
/* The size of the maximum gap between one aligned stack and the next. */
# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
/* The size of an array large to enough to hold all stacks, each with
N elements. */
# if YYLSP_NEEDED
# define YYSTACK_BYTES(N) \
((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ 2 * YYSTACK_GAP_MAX)
# else
# define YYSTACK_BYTES(N) \
((N) * (sizeof (short) + sizeof (YYSTYPE)) \
+ YYSTACK_GAP_MAX)
# endif
/* Copy COUNT objects from FROM to TO. The source and destination do
not overlap. */
# ifndef YYCOPY
# if 1 < __GNUC__
# define YYCOPY(To, From, Count) \
__builtin_memcpy (To, From, (Count) * sizeof (*(From)))
# else
# define YYCOPY(To, From, Count) \
do \
{ \
register YYSIZE_T yyi; \
for (yyi = 0; yyi < (Count); yyi++) \
(To)[yyi] = (From)[yyi]; \
} \
while (0)
# endif
# endif
/* Relocate STACK from its old location to the new one. The
local variables YYSIZE and YYSTACKSIZE give the old and new number of
elements in the stack, and YYPTR gives the new location of the
stack. Advance YYPTR to a properly aligned location for the next
stack. */
# define YYSTACK_RELOCATE(Stack) \
do \
{ \
YYSIZE_T yynewbytes; \
YYCOPY (&yyptr->Stack, Stack, yysize); \
Stack = &yyptr->Stack; \
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (0)
#endif
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
# define YYSIZE_T __SIZE_TYPE__
#endif
#if ! defined (YYSIZE_T) && defined (size_t)
# define YYSIZE_T size_t
#endif
#if ! defined (YYSIZE_T)
# if defined (__STDC__) || defined (__cplusplus)
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# endif
#endif
#if ! defined (YYSIZE_T)
# define YYSIZE_T unsigned int
#endif
#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 yyerrlab1
/* Like YYERROR except do call yyerror. This remains here temporarily
to ease the transition to the new meaning of YYERROR, for GCC.
Once GCC version 2 has supplanted version 1, this can go. */
#define YYFAIL goto yyerrlab
#define YYRECOVERING() (!!yyerrstatus)
#define YYBACKUP(Token, Value) \
do \
if (yychar == YYEMPTY && yylen == 1) \
{ \
yychar = (Token); \
yylval = (Value); \
yychar1 = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
{ \
yyerror ("syntax error: cannot back up"); \
YYERROR; \
} \
while (0)
#define YYTERROR 1
#define YYERRCODE 256
/* YYLLOC_DEFAULT -- Compute the default location (before the actions
are run).
When YYLLOC_DEFAULT is run, CURRENT is set the location of the
first token. By default, to implement support for ranges, extend
its range to the last symbol. */
#ifndef YYLLOC_DEFAULT
# define YYLLOC_DEFAULT(Current, Rhs, N) \
Current.last_line = Rhs[N].last_line; \
Current.last_column = Rhs[N].last_column;
#endif
/* YYLEX -- calling `yylex' with the right arguments. */
#if YYPURE
# if YYLSP_NEEDED
# ifdef YYLEX_PARAM
# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
# else
# define YYLEX yylex (&yylval, &yylloc)
# endif
# else /* !YYLSP_NEEDED */
# ifdef YYLEX_PARAM
# define YYLEX yylex (&yylval, YYLEX_PARAM)
# else
# define YYLEX yylex (&yylval)
# endif
# endif /* !YYLSP_NEEDED */
#else /* !YYPURE */
# define YYLEX yylex ()
#endif /* !YYPURE */
/* 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)
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
int yydebug;
#else /* !YYDEBUG */
# define YYDPRINTF(Args)
#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
SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
evaluated with infinite-precision integer arithmetic. */
#if YYMAXDEPTH == 0
# undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
# define YYMAXDEPTH 10000
#endif
#ifdef YYERROR_VERBOSE
# ifndef yystrlen
# if defined (__GLIBC__) && defined (_STRING_H)
# define yystrlen strlen
# else
/* Return the length of YYSTR. */
static YYSIZE_T
# if defined (__STDC__) || defined (__cplusplus)
yystrlen (const char *yystr)
# else
yystrlen (yystr)
const char *yystr;
# endif
{
register const char *yys = yystr;
while (*yys++ != '\0')
continue;
return yys - yystr - 1;
}
# 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 *
# if defined (__STDC__) || defined (__cplusplus)
yystpcpy (char *yydest, const char *yysrc)
# else
yystpcpy (yydest, yysrc)
char *yydest;
const char *yysrc;
# endif
{
register char *yyd = yydest;
register const char *yys = yysrc;
while ((*yyd++ = *yys++) != '\0')
continue;
return yyd - 1;
}
# endif
# endif
#endif
#line 315 "/usr/share/misc/bison.simple"
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
into yyparse. The argument should have type void *.
It should actually point to an object.
Grammar actions can access the variable by casting it
to the proper pointer type. */
#ifdef YYPARSE_PARAM
# if defined (__STDC__) || defined (__cplusplus)
# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
# define YYPARSE_PARAM_DECL
# else
# define YYPARSE_PARAM_ARG YYPARSE_PARAM
# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
# endif
#else /* !YYPARSE_PARAM */
# define YYPARSE_PARAM_ARG
# define YYPARSE_PARAM_DECL
#endif /* !YYPARSE_PARAM */
/* Prevent warning if -Wstrict-prototypes. */
#ifdef __GNUC__
# ifdef YYPARSE_PARAM
int yyparse (void *);
# else
int yyparse (void);
# endif
#endif
/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
variables are global, or local to YYPARSE. */
#define YY_DECL_NON_LSP_VARIABLES \
/* The lookahead symbol. */ \
int yychar; \
\
/* The semantic value of the lookahead symbol. */ \
YYSTYPE yylval; \
\
/* Number of parse errors so far. */ \
int yynerrs;
#if YYLSP_NEEDED
# define YY_DECL_VARIABLES \
YY_DECL_NON_LSP_VARIABLES \
\
/* Location data for the lookahead symbol. */ \
YYLTYPE yylloc;
#else
# define YY_DECL_VARIABLES \
YY_DECL_NON_LSP_VARIABLES
#endif
/* If nonreentrant, generate the variables here. */
#if !YYPURE
YY_DECL_VARIABLES
#endif /* !YYPURE */
int
yyparse (YYPARSE_PARAM_ARG)
YYPARSE_PARAM_DECL
{
/* If reentrant, generate the variables here. */
#if YYPURE
YY_DECL_VARIABLES
#endif /* !YYPURE */
register int yystate;
register int yyn;
int yyresult;
/* Number of tokens to shift before error messages enabled. */
int yyerrstatus;
/* Lookahead token as an internal (translated) token number. */
int yychar1 = 0;
/* Three stacks and their tools:
`yyss': related to states,
`yyvs': related to semantic values,
`yyls': related to locations.
Refer to the stacks thru separate pointers, to allow yyoverflow
to reallocate them elsewhere. */
/* The state stack. */
short yyssa[YYINITDEPTH];
short *yyss = yyssa;
register short *yyssp;
/* The semantic value stack. */
YYSTYPE yyvsa[YYINITDEPTH];
YYSTYPE *yyvs = yyvsa;
register YYSTYPE *yyvsp;
#if YYLSP_NEEDED
/* The location stack. */
YYLTYPE yylsa[YYINITDEPTH];
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
#endif
#if YYLSP_NEEDED
# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
#else
# define YYPOPSTACK (yyvsp--, yyssp--)
#endif
YYSIZE_T yystacksize = YYINITDEPTH;
/* The variables used to return semantic value and location from the
action routines. */
YYSTYPE yyval;
#if YYLSP_NEEDED
YYLTYPE yyloc;
#endif
/* When reducing, the number of symbols on the RHS of the reduced
rule. */
int yylen;
YYDPRINTF ((stderr, "Starting parse\n"));
yystate = 0;
yyerrstatus = 0;
yynerrs = 0;
yychar = YYEMPTY; /* Cause a token to be read. */
/* Initialize stack pointers.
Waste one element of value and location stack
so that they stay on the same level as the state stack.
The wasted elements are never initialized. */
yyssp = yyss;
yyvsp = yyvs;
#if YYLSP_NEEDED
yylsp = yyls;
#endif
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++;
yysetstate:
*yyssp = yystate;
if (yyssp >= yyss + yystacksize - 1)
{
/* Get the current used size of the three stacks, in elements. */
YYSIZE_T yysize = yyssp - yyss + 1;
#ifdef 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;
short *yyss1 = yyss;
/* Each stack pointer address is followed by the size of the
data in use in that stack, in bytes. */
# if YYLSP_NEEDED
YYLTYPE *yyls1 = yyls;
/* This used to be a conditional around just the two extra args,
but that might be undefined if yyoverflow is a macro. */
yyoverflow ("parser stack overflow",
&yyss1, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp),
&yyls1, yysize * sizeof (*yylsp),
&yystacksize);
yyls = yyls1;
# else
yyoverflow ("parser stack overflow",
&yyss1, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp),
&yystacksize);
# endif
yyss = yyss1;
yyvs = yyvs1;
}
#else /* no yyoverflow */
# ifndef YYSTACK_RELOCATE
goto yyoverflowlab;
# else
/* Extend the stack our own way. */
if (yystacksize >= YYMAXDEPTH)
goto yyoverflowlab;
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
{
short *yyss1 = yyss;
union yyalloc *yyptr =
(union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
if (! yyptr)
goto yyoverflowlab;
YYSTACK_RELOCATE (yyss);
YYSTACK_RELOCATE (yyvs);
# if YYLSP_NEEDED
YYSTACK_RELOCATE (yyls);
# endif
# undef YYSTACK_RELOCATE
if (yyss1 != yyssa)
YYSTACK_FREE (yyss1);
}
# endif
#endif /* no yyoverflow */
yyssp = yyss + yysize - 1;
yyvsp = yyvs + yysize - 1;
#if YYLSP_NEEDED
yylsp = yyls + yysize - 1;
#endif
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
(unsigned long int) yystacksize));
if (yyssp >= yyss + yystacksize - 1)
YYABORT;
}
YYDPRINTF ((stderr, "Entering state %d\n", yystate));
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. */
/* yyresume: */
/* First try to decide what to do without reference to lookahead token. */
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yydefault;
/* Not known => get a lookahead token if don't already have one. */
/* yychar is either YYEMPTY or YYEOF
or a valid token in external form. */
if (yychar == YYEMPTY)
{
YYDPRINTF ((stderr, "Reading a token: "));
yychar = YYLEX;
}
/* Convert token to internal form (in yychar1) for indexing tables with */
if (yychar <= 0) /* This means end of input. */
{
yychar1 = 0;
yychar = YYEOF; /* Don't call YYLEX any more */
YYDPRINTF ((stderr, "Now at end of input.\n"));
}
else
{
yychar1 = YYTRANSLATE (yychar);
#if YYDEBUG
/* We have to keep this `#if YYDEBUG', since we use variables
which are defined only if `YYDEBUG' is set. */
if (yydebug)
{
YYFPRINTF (stderr, "Next token is %d (%s",
yychar, yytname[yychar1]);
/* Give the individual parser a way to print the precise
meaning of a token, for further debugging info. */
# ifdef YYPRINT
YYPRINT (stderr, yychar, yylval);
# endif
YYFPRINTF (stderr, ")\n");
}
#endif
}
yyn += yychar1;
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
goto yydefault;
yyn = yytable[yyn];
/* yyn is what to do for this token type in this state.
Negative => reduce, -yyn is rule number.
Positive => shift, yyn is new state.
New state is final state => don't bother to shift,
just return success.
0, or most negative number => error. */
if (yyn < 0)
{
if (yyn == YYFLAG)
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
else if (yyn == 0)
goto yyerrlab;
if (yyn == YYFINAL)
YYACCEPT;
/* Shift the lookahead token. */
YYDPRINTF ((stderr, "Shifting token %d (%s), ",
yychar, yytname[yychar1]));
/* Discard the token being shifted unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
#if YYLSP_NEEDED
*++yylsp = yylloc;
#endif
/* Count tokens shifted since error; after three, turn off error
status. */
if (yyerrstatus)
yyerrstatus--;
yystate = yyn;
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 the semantic value of
the lookahead token. 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];
#if YYLSP_NEEDED
/* Similarly for the default location. Let the user run additional
commands if for instance locations are ranges. */
yyloc = yylsp[1-yylen];
YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
#endif
#if YYDEBUG
/* We have to keep this `#if YYDEBUG', since we use variables which
are defined only if `YYDEBUG' is set. */
if (yydebug)
{
int yyi;
YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
yyn, yyrline[yyn]);
/* Print the symbols being reduced, and their result. */
for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
}
#endif
switch (yyn) {
case 3:
#line 195 "getdate.y"
{
yyHaveTime++;
}
break;
case 4:
#line 198 "getdate.y"
{
yyHaveZone++;
}
break;
case 5:
#line 201 "getdate.y"
{
yyHaveDate++;
}
break;
case 6:
#line 204 "getdate.y"
{
yyHaveDay++;
}
break;
case 7:
#line 207 "getdate.y"
{
yyHaveRel++;
}
break;
case 9:
#line 213 "getdate.y"
{
yyHour = yyvsp[-1].Number;
yyMinutes = 0;
yySeconds = 0;
yyMeridian = yyvsp[0].Meridian;
}
break;
case 10:
#line 219 "getdate.y"
{
yyHour = yyvsp[-3].Number;
yyMinutes = yyvsp[-1].Number;
yySeconds = 0;
yyMeridian = yyvsp[0].Meridian;
}
break;
case 11:
#line 225 "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));
}
break;
case 12:
#line 234 "getdate.y"
{
yyHour = yyvsp[-5].Number;
yyMinutes = yyvsp[-3].Number;
yySeconds = yyvsp[-1].Number;
yyMeridian = yyvsp[0].Meridian;
}
break;
case 13:
#line 240 "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));
}
break;
case 14:
#line 252 "getdate.y"
{
yyTimezone = yyvsp[0].Number;
}
break;
case 15:
#line 255 "getdate.y"
{
yyTimezone = yyvsp[0].Number - 60;
}
break;
case 16:
#line 259 "getdate.y"
{
yyTimezone = yyvsp[-1].Number - 60;
}
break;
case 17:
#line 264 "getdate.y"
{
yyDayOrdinal = 1;
yyDayNumber = yyvsp[0].Number;
}
break;
case 18:
#line 268 "getdate.y"
{
yyDayOrdinal = 1;
yyDayNumber = yyvsp[-1].Number;
}
break;
case 19:
#line 272 "getdate.y"
{
yyDayOrdinal = yyvsp[-1].Number;
yyDayNumber = yyvsp[0].Number;
}
break;
case 20:
#line 278 "getdate.y"
{
yyMonth = yyvsp[-2].Number;
yyDay = yyvsp[0].Number;
}
break;
case 21:
#line 282 "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;
}
}
break;
case 22:
#line 300 "getdate.y"
{
/* ISO 8601 format. yyyy-mm-dd. */
yyYear = yyvsp[-2].Number;
yyMonth = -yyvsp[-1].Number;
yyDay = -yyvsp[0].Number;
}
break;
case 23:
#line 306 "getdate.y"
{
/* e.g. 17-JUN-1992. */
yyDay = yyvsp[-2].Number;
yyMonth = yyvsp[-1].Number;
yyYear = -yyvsp[0].Number;
}
break;
case 24:
#line 312 "getdate.y"
{
yyMonth = yyvsp[-1].Number;
yyDay = yyvsp[0].Number;
}
break;
case 25:
#line 316 "getdate.y"
{
yyMonth = yyvsp[-3].Number;
yyDay = yyvsp[-2].Number;
yyYear = yyvsp[0].Number;
}
break;
case 26:
#line 321 "getdate.y"
{
yyMonth = yyvsp[0].Number;
yyDay = yyvsp[-1].Number;
}
break;
case 27:
#line 325 "getdate.y"
{
yyMonth = yyvsp[-1].Number;
yyDay = yyvsp[-2].Number;
yyYear = yyvsp[0].Number;
}
break;
case 28:
#line 332 "getdate.y"
{
yyRelSeconds = -yyRelSeconds;
yyRelMinutes = -yyRelMinutes;
yyRelHour = -yyRelHour;
yyRelDay = -yyRelDay;
yyRelMonth = -yyRelMonth;
yyRelYear = -yyRelYear;
}
break;
case 30:
#line 343 "getdate.y"
{
yyRelYear += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 31:
#line 346 "getdate.y"
{
yyRelYear += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 32:
#line 349 "getdate.y"
{
yyRelYear++;
}
break;
case 33:
#line 352 "getdate.y"
{
yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 34:
#line 355 "getdate.y"
{
yyRelMonth += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 35:
#line 358 "getdate.y"
{
yyRelMonth++;
}
break;
case 36:
#line 361 "getdate.y"
{
yyRelDay += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 37:
#line 364 "getdate.y"
{
yyRelDay += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 38:
#line 367 "getdate.y"
{
yyRelDay++;
}
break;
case 39:
#line 370 "getdate.y"
{
yyRelHour += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 40:
#line 373 "getdate.y"
{
yyRelHour += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 41:
#line 376 "getdate.y"
{
yyRelHour++;
}
break;
case 42:
#line 379 "getdate.y"
{
yyRelMinutes += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 43:
#line 382 "getdate.y"
{
yyRelMinutes += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 44:
#line 385 "getdate.y"
{
yyRelMinutes++;
}
break;
case 45:
#line 388 "getdate.y"
{
yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 46:
#line 391 "getdate.y"
{
yyRelSeconds += yyvsp[-1].Number * yyvsp[0].Number;
}
break;
case 47:
#line 394 "getdate.y"
{
yyRelSeconds++;
}
break;
case 48:
#line 400 "getdate.y"
{
if (yyHaveTime && yyHaveDate && !yyHaveRel)
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;
}
}
}
break;
case 49:
#line 433 "getdate.y"
{
yyval.Meridian = MER24;
}
break;
case 50:
#line 437 "getdate.y"
{
yyval.Meridian = yyvsp[0].Meridian;
}
break;
}
#line 705 "/usr/share/misc/bison.simple"
yyvsp -= yylen;
yyssp -= yylen;
#if YYLSP_NEEDED
yylsp -= yylen;
#endif
#if YYDEBUG
if (yydebug)
{
short *yyssp1 = yyss - 1;
YYFPRINTF (stderr, "state stack now");
while (yyssp1 != yyssp)
YYFPRINTF (stderr, " %d", *++yyssp1);
YYFPRINTF (stderr, "\n");
}
#endif
*++yyvsp = yyval;
#if YYLSP_NEEDED
*++yylsp = yyloc;
#endif
/* 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. */
yyn = yyr1[yyn];
yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
yystate = yydefgoto[yyn - YYNTBASE];
goto yynewstate;
/*------------------------------------.
| yyerrlab -- here on detecting error |
`------------------------------------*/
yyerrlab:
/* If not already recovering from an error, report this error. */
if (!yyerrstatus)
{
++yynerrs;
#ifdef YYERROR_VERBOSE
yyn = yypact[yystate];
if (yyn > YYFLAG && yyn < YYLAST)
{
YYSIZE_T yysize = 0;
char *yymsg;
int yyx, yycount;
yycount = 0;
/* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. */
for (yyx = yyn < 0 ? -yyn : 0;
yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
if (yycheck[yyx + yyn] == yyx)
yysize += yystrlen (yytname[yyx]) + 15, yycount++;
yysize += yystrlen ("parse error, unexpected ") + 1;
yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
yymsg = (char *) YYSTACK_ALLOC (yysize);
if (yymsg != 0)
{
char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);
if (yycount < 5)
{
yycount = 0;
for (yyx = yyn < 0 ? -yyn : 0;
yyx < (int) (sizeof (yytname) / sizeof (char *));
yyx++)
if (yycheck[yyx + yyn] == yyx)
{
const char *yyq = ! yycount ? ", expecting " : " or ";
yyp = yystpcpy (yyp, yyq);
yyp = yystpcpy (yyp, yytname[yyx]);
yycount++;
}
}
yyerror (yymsg);
YYSTACK_FREE (yymsg);
}
else
yyerror ("parse error; also virtual memory exhausted");
}
else
#endif /* defined (YYERROR_VERBOSE) */
yyerror ("parse error");
}
goto yyerrlab1;
/*--------------------------------------------------.
| yyerrlab1 -- error raised explicitly by an action |
`--------------------------------------------------*/
yyerrlab1:
if (yyerrstatus == 3)
{
/* If just tried and failed to reuse lookahead token after an
error, discard it. */
/* return failure if at end of input */
if (yychar == YYEOF)
YYABORT;
YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
yychar, yytname[yychar1]));
yychar = YYEMPTY;
}
/* Else will try to reuse lookahead token after shifting the error
token. */
yyerrstatus = 3; /* Each real token shifted decrements this */
goto yyerrhandle;
/*-------------------------------------------------------------------.
| yyerrdefault -- current state does not do anything special for the |
| error token. |
`-------------------------------------------------------------------*/
yyerrdefault:
#if 0
/* This is wrong; only states that explicitly want error tokens
should shift them. */
/* If its default is to accept any token, ok. Otherwise pop it. */
yyn = yydefact[yystate];
if (yyn)
goto yydefault;
#endif
/*---------------------------------------------------------------.
| yyerrpop -- pop the current state because it cannot handle the |
| error token |
`---------------------------------------------------------------*/
yyerrpop:
if (yyssp == yyss)
YYABORT;
yyvsp--;
yystate = *--yyssp;
#if YYLSP_NEEDED
yylsp--;
#endif
#if YYDEBUG
if (yydebug)
{
short *yyssp1 = yyss - 1;
YYFPRINTF (stderr, "Error: state stack now");
while (yyssp1 != yyssp)
YYFPRINTF (stderr, " %d", *++yyssp1);
YYFPRINTF (stderr, "\n");
}
#endif
/*--------------.
| yyerrhandle. |
`--------------*/
yyerrhandle:
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yyerrdefault;
yyn += YYTERROR;
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
goto yyerrdefault;
yyn = yytable[yyn];
if (yyn < 0)
{
if (yyn == YYFLAG)
goto yyerrpop;
yyn = -yyn;
goto yyreduce;
}
else if (yyn == 0)
goto yyerrpop;
if (yyn == YYFINAL)
YYACCEPT;
YYDPRINTF ((stderr, "Shifting error token, "));
*++yyvsp = yylval;
#if YYLSP_NEEDED
*++yylsp = yylloc;
#endif
yystate = yyn;
goto yynewstate;
/*-------------------------------------.
| yyacceptlab -- YYACCEPT comes here. |
`-------------------------------------*/
yyacceptlab:
yyresult = 0;
goto yyreturn;
/*-----------------------------------.
| yyabortlab -- YYABORT comes here. |
`-----------------------------------*/
yyabortlab:
yyresult = 1;
goto yyreturn;
/*---------------------------------------------.
| yyoverflowab -- parser overflow comes here. |
`---------------------------------------------*/
yyoverflowlab:
yyerror ("parser stack overflow");
yyresult = 2;
/* Fall through. */
yyreturn:
#ifndef yyoverflow
if (yyss != yyssa)
YYSTACK_FREE (yyss);
#endif
return yyresult;
}
#line 442 "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 }
};
/* 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 }
};
/* 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 }
};
/* 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 }
};
/* 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 }
};
/* ARGSUSED */
static int
yyerror (s)
char *s;
{
return 0;
}
static int
ToHour (Hours, Meridian)
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 (Year)
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 (buff)
char *buff;
{
register char *p;
register char *q;
register const TABLE *tp;
int i;
int abbrev;
/* Make it lowercase. */
for (p = buff; *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 = 1;
else if (strlen (buff) == 4 && buff[3] == '.')
{
abbrev = 1;
buff[3] = '\0';
}
else
abbrev = 0;
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; *q; q++)
if (*q != '.')
*p++ = *q;
else
i++;
*p = '\0';
if (i)
for (tp = TimezoneTable; tp->name; tp++)
if (strcmp (buff, tp->name) == 0)
{
yylval.Number = tp->value;
return tp->type;
}
return tID;
}
static int
yylex ()
{
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 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 (a, b)
struct tm *a, *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 (p, now)
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 || (yyHaveRel && !yyHaveDate && !yyHaveDay))
{
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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