#define YYBISON 1
#define YYSKELETON_NAME "yacc.c"
#define YYPURE 1
#define YYLSP_NEEDED 0
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
enum yytokentype {
tAGO = 258,
tDST = 259,
tDAY = 260,
tDAY_UNIT = 261,
tDAYZONE = 262,
tHOUR_UNIT = 263,
tLOCAL_ZONE = 264,
tMERIDIAN = 265,
tMINUTE_UNIT = 266,
tMONTH = 267,
tMONTH_UNIT = 268,
tORDINAL = 269,
tSEC_UNIT = 270,
tYEAR_UNIT = 271,
tZONE = 272,
tSNUMBER = 273,
tUNUMBER = 274,
tSDECIMAL_NUMBER = 275,
tUDECIMAL_NUMBER = 276
};
#endif
#define tAGO 258
#define tDST 259
#define tDAY 260
#define tDAY_UNIT 261
#define tDAYZONE 262
#define tHOUR_UNIT 263
#define tLOCAL_ZONE 264
#define tMERIDIAN 265
#define tMINUTE_UNIT 266
#define tMONTH 267
#define tMONTH_UNIT 268
#define tORDINAL 269
#define tSEC_UNIT 270
#define tYEAR_UNIT 271
#define tZONE 272
#define tSNUMBER 273
#define tUNUMBER 274
#define tSDECIMAL_NUMBER 275
#define tUDECIMAL_NUMBER 276
#line 1 "getdate.y"
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "getdate.h"
#define YYSTACK_USE_ALLOCA 0
#define YYMAXDEPTH 20
#define YYINITDEPTH YYMAXDEPTH
#ifdef emacs
# undef static
#endif
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "setenv.h"
#include "xalloc.h"
#if STDC_HEADERS || (! defined isascii && ! 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 ISLOWER(c) (IN_CTYPE_DOMAIN (c) && islower (c))
#define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9)
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
# define __attribute__(x)
#endif
#ifndef ATTRIBUTE_UNUSED
# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
#endif
#define SHR(a, b) \
(-1 >> 1 == -1 \
? (a) >> (b) \
: (a) / (1 << (b)) - ((a) % (1 << (b)) < 0))
#define EPOCH_YEAR 1970
#define TM_YEAR_BASE 1900
#define HOUR(x) ((x) * 60)
typedef struct
{
bool negative;
long int value;
size_t digits;
} textint;
typedef struct
{
char const *name;
int type;
int value;
} table;
enum { MERam, MERpm, MER24 };
enum { BILLION = 1000000000, LOG10_BILLION = 9 };
typedef struct
{
const char *input;
long int day_ordinal;
int day_number;
int local_isdst;
long int time_zone;
int meridian;
textint year;
long int month;
long int day;
long int hour;
long int minutes;
struct timespec seconds;
long int rel_year;
long int rel_month;
long int rel_day;
long int rel_hour;
long int rel_minutes;
long int rel_seconds;
long int rel_ns;
bool timespec_seen;
bool rels_seen;
size_t dates_seen;
size_t days_seen;
size_t local_zones_seen;
size_t dsts_seen;
size_t times_seen;
size_t zones_seen;
table local_time_zone_table[3];
} parser_control;
union YYSTYPE;
static int yylex (union YYSTYPE *, parser_control *);
static int yyerror (parser_control *, char *);
static long int time_zone_hhmm (textint, long int);
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#ifdef YYERROR_VERBOSE
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE 0
#endif
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
#line 209 "getdate.y"
typedef union YYSTYPE {
long int intval;
textint textintval;
struct timespec timespec;
} YYSTYPE;
#line 322 "getdate.c"
# define yystype YYSTYPE
# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
#endif
#line 334 "getdate.c"
#if ! defined (yyoverflow) || YYERROR_VERBOSE
# ifndef YYFREE
# define YYFREE free
# endif
# ifndef YYMALLOC
# define YYMALLOC malloc
# endif
# ifdef YYSTACK_USE_ALLOCA
# if YYSTACK_USE_ALLOCA
# define YYSTACK_ALLOC alloca
# endif
# else
# if defined (alloca) || defined (_ALLOCA_H)
# define YYSTACK_ALLOC alloca
# else
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
# endif
# endif
# endif
# ifdef YYSTACK_ALLOC
# define YYSTACK_FREE(Ptr) do { ; } while (0)
# else
# if defined (__STDC__) || defined (__cplusplus)
# include <stdlib.h>
# define YYSIZE_T size_t
# endif
# define YYSTACK_ALLOC YYMALLOC
# define YYSTACK_FREE YYFREE
# endif
#endif
#if (! defined (yyoverflow) \
&& (! defined (__cplusplus) \
|| (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
union yyalloc
{
short yyss;
YYSTYPE yyvs;
};
# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
# define YYSTACK_BYTES(N) \
((N) * (sizeof (short) + sizeof (YYSTYPE)) \
+ YYSTACK_GAP_MAXIMUM)
# ifndef YYCOPY
# if defined (__GNUC__) && 1 < __GNUC__
# define YYCOPY(To, From, Count) \
__builtin_memcpy (To, From, (Count) * sizeof (*(From)))
# else
# define YYCOPY(To, From, Count) \
do \
{ \
register YYSIZE_T yyi; \
for (yyi = 0; yyi < (Count); yyi++) \
(To)[yyi] = (From)[yyi]; \
} \
while (0)
# endif
# endif
# define YYSTACK_RELOCATE(Stack) \
do \
{ \
YYSIZE_T yynewbytes; \
YYCOPY (&yyptr->Stack, Stack, yysize); \
Stack = &yyptr->Stack; \
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (0)
#endif
#if defined (__STDC__) || defined (__cplusplus)
typedef signed char yysigned_char;
#else
typedef short yysigned_char;
#endif
#define YYFINAL 12
#define YYLAST 88
#define YYNTOKENS 26
#define YYNNTS 19
#define YYNRULES 78
#define YYNSTATES 96
#define YYUNDEFTOK 2
#define YYMAXUTOK 276
#define YYTRANSLATE(YYX) \
((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
static const unsigned 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, 24, 2, 2, 25, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 23, 2,
2, 2, 2, 2, 22, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 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, 19, 20, 21
};
#if YYDEBUG
static const unsigned char yyprhs[] =
{
0, 0, 3, 5, 7, 10, 11, 14, 16, 18,
20, 22, 24, 26, 28, 31, 36, 42, 49, 57,
59, 62, 64, 67, 71, 73, 76, 78, 81, 84,
87, 91, 97, 101, 105, 109, 112, 117, 120, 124,
127, 129, 132, 135, 137, 140, 143, 145, 148, 151,
153, 156, 159, 161, 164, 167, 169, 172, 175, 178,
181, 183, 185, 188, 191, 194, 197, 200, 203, 205,
207, 209, 211, 213, 215, 217, 218, 221, 222
};
static const yysigned_char yyrhs[] =
{
27, 0, -1, 28, -1, 29, -1, 22, 39, -1,
-1, 29, 30, -1, 31, -1, 32, -1, 33, -1,
35, -1, 34, -1, 36, -1, 42, -1, 19, 10,
-1, 19, 23, 19, 44, -1, 19, 23, 19, 18,
43, -1, 19, 23, 19, 23, 41, 44, -1, 19,
23, 19, 23, 41, 18, 43, -1, 9, -1, 9,
4, -1, 17, -1, 17, 38, -1, 17, 18, 43,
-1, 7, -1, 17, 4, -1, 5, -1, 5, 24,
-1, 14, 5, -1, 19, 5, -1, 19, 25, 19,
-1, 19, 25, 19, 25, 19, -1, 19, 18, 18,
-1, 19, 12, 18, -1, 12, 18, 18, -1, 12,
19, -1, 12, 19, 24, 19, -1, 19, 12, -1,
19, 12, 19, -1, 37, 3, -1, 37, -1, 14,
16, -1, 19, 16, -1, 16, -1, 14, 13, -1,
19, 13, -1, 13, -1, 14, 6, -1, 19, 6,
-1, 6, -1, 14, 8, -1, 19, 8, -1, 8,
-1, 14, 11, -1, 19, 11, -1, 11, -1, 14,
15, -1, 19, 15, -1, 20, 15, -1, 21, 15,
-1, 15, -1, 38, -1, 18, 16, -1, 18, 13,
-1, 18, 6, -1, 18, 8, -1, 18, 11, -1,
18, 15, -1, 40, -1, 41, -1, 20, -1, 18,
-1, 21, -1, 19, -1, 19, -1, -1, 23, 19,
-1, -1, 10, -1
};
static const unsigned short yyrline[] =
{
0, 230, 230, 231, 235, 242, 244, 248, 250, 252,
254, 256, 258, 260, 264, 272, 280, 290, 297, 309,
314, 322, 324, 326, 328, 330, 335, 340, 345, 350,
358, 363, 383, 390, 398, 406, 411, 417, 422, 431,
441, 445, 447, 449, 451, 453, 455, 457, 459, 461,
463, 465, 467, 469, 471, 473, 475, 477, 479, 481,
483, 485, 489, 491, 493, 495, 497, 499, 503, 503,
506, 507, 512, 513, 518, 556, 557, 563, 564
};
#endif
#if YYDEBUG || YYERROR_VERBOSE
static const char *const yytname[] =
{
"$end", "error", "$undefined", "tAGO", "tDST", "tDAY", "tDAY_UNIT",
"tDAYZONE", "tHOUR_UNIT", "tLOCAL_ZONE", "tMERIDIAN", "tMINUTE_UNIT",
"tMONTH", "tMONTH_UNIT", "tORDINAL", "tSEC_UNIT", "tYEAR_UNIT", "tZONE",
"tSNUMBER", "tUNUMBER", "tSDECIMAL_NUMBER", "tUDECIMAL_NUMBER", "'@'",
"':'", "','", "'/'", "$accept", "spec", "timespec", "items", "item",
"time", "local_zone", "zone", "day", "date", "rel", "relunit",
"relunit_snumber", "seconds", "signed_seconds", "unsigned_seconds",
"number", "o_colon_minutes", "o_merid", 0
};
#endif
# ifdef YYPRINT
static const unsigned short yytoknum[] =
{
0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
275, 276, 64, 58, 44, 47
};
# endif
static const unsigned char yyr1[] =
{
0, 26, 27, 27, 28, 29, 29, 30, 30, 30,
30, 30, 30, 30, 31, 31, 31, 31, 31, 32,
32, 33, 33, 33, 33, 33, 34, 34, 34, 34,
35, 35, 35, 35, 35, 35, 35, 35, 35, 36,
36, 37, 37, 37, 37, 37, 37, 37, 37, 37,
37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
37, 37, 38, 38, 38, 38, 38, 38, 39, 39,
40, 40, 41, 41, 42, 43, 43, 44, 44
};
static const unsigned char yyr2[] =
{
0, 2, 1, 1, 2, 0, 2, 1, 1, 1,
1, 1, 1, 1, 2, 4, 5, 6, 7, 1,
2, 1, 2, 3, 1, 2, 1, 2, 2, 2,
3, 5, 3, 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, 2, 2,
1, 1, 2, 2, 2, 2, 2, 2, 1, 1,
1, 1, 1, 1, 1, 0, 2, 0, 1
};
static const unsigned char yydefact[] =
{
5, 0, 0, 2, 3, 71, 73, 70, 72, 4,
68, 69, 1, 26, 49, 24, 52, 19, 55, 0,
46, 0, 60, 43, 21, 0, 74, 0, 0, 6,
7, 8, 9, 11, 10, 12, 40, 61, 13, 27,
20, 0, 35, 28, 47, 50, 53, 44, 56, 41,
25, 75, 22, 64, 65, 66, 63, 67, 62, 29,
48, 51, 14, 54, 37, 45, 57, 42, 0, 0,
0, 58, 59, 39, 34, 0, 0, 23, 33, 38,
32, 77, 30, 36, 76, 78, 75, 0, 15, 0,
16, 77, 31, 75, 17, 18
};
static const yysigned_char yydefgoto[] =
{
-1, 2, 3, 4, 29, 30, 31, 32, 33, 34,
35, 36, 37, 9, 10, 11, 38, 77, 88
};
#define YYPACT_NINF -43
static const yysigned_char yypact[] =
{
-18, 48, 9, -43, 19, -43, -43, -43, -43, -43,
-43, -43, -43, 32, -43, -43, -43, 54, -43, 28,
-43, 37, -43, -43, -2, 49, -5, 57, 58, -43,
-43, -43, -43, -43, -43, -43, 60, -43, -43, -43,
-43, 56, 51, -43, -43, -43, -43, -43, -43, -43,
-43, 6, -43, -43, -43, -43, -43, -43, -43, -43,
-43, -43, -43, -43, 52, -43, -43, -43, 59, 61,
62, -43, -43, -43, -43, 63, 64, -43, -43, -43,
-43, 31, 53, -43, -43, -43, 65, 40, -43, 66,
-43, 5, -43, 65, -43, -43
};
static const yysigned_char yypgoto[] =
{
-43, -43, -43, -43, -43, -43, -43, -43, -43, -43,
-43, -43, 55, -43, -43, -11, -43, -42, -7
};
#define YYTABLE_NINF -1
static const unsigned char yytable[] =
{
59, 60, 50, 61, 1, 62, 63, 64, 65, 12,
66, 67, 53, 68, 54, 85, 51, 55, 69, 56,
70, 57, 58, 93, 13, 14, 15, 16, 17, 76,
18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
28, 85, 43, 44, 90, 45, 41, 42, 46, 86,
47, 95, 48, 49, 87, 53, 39, 54, 40, 6,
55, 8, 56, 73, 57, 58, 5, 6, 7, 8,
78, 79, 71, 72, 74, 75, 91, 80, 89, 52,
81, 82, 83, 84, 94, 92, 0, 0, 76
};
static const yysigned_char yycheck[] =
{
5, 6, 4, 8, 22, 10, 11, 12, 13, 0,
15, 16, 6, 18, 8, 10, 18, 11, 23, 13,
25, 15, 16, 18, 5, 6, 7, 8, 9, 23,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 10, 5, 6, 86, 8, 18, 19, 11, 18,
13, 93, 15, 16, 23, 6, 24, 8, 4, 19,
11, 21, 13, 3, 15, 16, 18, 19, 20, 21,
18, 19, 15, 15, 18, 24, 87, 18, 25, 24,
19, 19, 19, 19, 91, 19, -1, -1, 23
};
static const unsigned char yystos[] =
{
0, 22, 27, 28, 29, 18, 19, 20, 21, 39,
40, 41, 0, 5, 6, 7, 8, 9, 11, 12,
13, 14, 15, 16, 17, 18, 19, 20, 21, 30,
31, 32, 33, 34, 35, 36, 37, 38, 42, 24,
4, 18, 19, 5, 6, 8, 11, 13, 15, 16,
4, 18, 38, 6, 8, 11, 13, 15, 16, 5,
6, 8, 10, 11, 12, 13, 15, 16, 18, 23,
25, 15, 15, 3, 18, 24, 23, 43, 18, 19,
18, 19, 19, 19, 19, 10, 18, 23, 44, 25,
43, 41, 19, 18, 44, 43
};
#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>
# 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 yyerrorlab
#define YYFAIL goto yyerrlab
#define YYRECOVERING() (!!yyerrstatus)
#define YYBACKUP(Token, Value) \
do \
if (yychar == YYEMPTY && yylen == 1) \
{ \
yychar = (Token); \
yylval = (Value); \
yytoken = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
{ \
yyerror (pc, "syntax error: cannot back up");\
YYERROR; \
} \
while (0)
#define YYTERROR 1
#define YYERRCODE 256
#ifndef YYLLOC_DEFAULT
# define YYLLOC_DEFAULT(Current, Rhs, N) \
((Current).first_line = (Rhs)[1].first_line, \
(Current).first_column = (Rhs)[1].first_column, \
(Current).last_line = (Rhs)[N].last_line, \
(Current).last_column = (Rhs)[N].last_column)
#endif
#ifdef YYLEX_PARAM
# define YYLEX yylex (&yylval, YYLEX_PARAM)
#else
# define YYLEX yylex (&yylval, pc)
#endif
#if YYDEBUG
# ifndef YYFPRINTF
# include <stdio.h>
# define YYFPRINTF fprintf
# endif
# define YYDPRINTF(Args) \
do { \
if (yydebug) \
YYFPRINTF Args; \
} while (0)
# define YYDSYMPRINT(Args) \
do { \
if (yydebug) \
yysymprint Args; \
} while (0)
# define YYDSYMPRINTF(Title, Token, Value, Location) \
do { \
if (yydebug) \
{ \
YYFPRINTF (stderr, "%s ", Title); \
yysymprint (stderr, \
Token, Value); \
YYFPRINTF (stderr, "\n"); \
} \
} while (0)
#if defined (__STDC__) || defined (__cplusplus)
static void
yy_stack_print (short *bottom, short *top)
#else
static void
yy_stack_print (bottom, top)
short *bottom;
short *top;
#endif
{
YYFPRINTF (stderr, "Stack now");
for (; bottom <= top; ++bottom)
YYFPRINTF (stderr, " %d", *bottom);
YYFPRINTF (stderr, "\n");
}
# define YY_STACK_PRINT(Bottom, Top) \
do { \
if (yydebug) \
yy_stack_print ((Bottom), (Top)); \
} while (0)
#if defined (__STDC__) || defined (__cplusplus)
static void
yy_reduce_print (int yyrule)
#else
static void
yy_reduce_print (yyrule)
int yyrule;
#endif
{
int yyi;
unsigned int yylno = yyrline[yyrule];
YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
yyrule - 1, yylno);
for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
}
# define YY_REDUCE_PRINT(Rule) \
do { \
if (yydebug) \
yy_reduce_print (Rule); \
} while (0)
int yydebug;
#else
# define YYDPRINTF(Args)
# define YYDSYMPRINT(Args)
# define YYDSYMPRINTF(Title, Token, Value, Location)
# define YY_STACK_PRINT(Bottom, Top)
# define YY_REDUCE_PRINT(Rule)
#endif
#ifndef YYINITDEPTH
# define YYINITDEPTH 200
#endif
#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0
# undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
# define YYMAXDEPTH 10000
#endif
#if YYERROR_VERBOSE
# ifndef yystrlen
# if defined (__GLIBC__) && defined (_STRING_H)
# define yystrlen strlen
# else
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
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
#if YYDEBUG
#if defined (__STDC__) || defined (__cplusplus)
static void
yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep)
#else
static void
yysymprint (yyoutput, yytype, yyvaluep)
FILE *yyoutput;
int yytype;
YYSTYPE *yyvaluep;
#endif
{
(void) yyvaluep;
if (yytype < YYNTOKENS)
{
YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
# ifdef YYPRINT
YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
# endif
}
else
YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
switch (yytype)
{
default:
break;
}
YYFPRINTF (yyoutput, ")");
}
#endif
#if defined (__STDC__) || defined (__cplusplus)
static void
yydestruct (int yytype, YYSTYPE *yyvaluep)
#else
static void
yydestruct (yytype, yyvaluep)
int yytype;
YYSTYPE *yyvaluep;
#endif
{
(void) yyvaluep;
switch (yytype)
{
default:
break;
}
}
#ifdef YYPARSE_PARAM
# if defined (__STDC__) || defined (__cplusplus)
int yyparse (void *YYPARSE_PARAM);
# else
int yyparse ();
# endif
#else
#if defined (__STDC__) || defined (__cplusplus)
int yyparse ( parser_control *pc );
#else
int yyparse ();
#endif
#endif
#ifdef YYPARSE_PARAM
# if defined (__STDC__) || defined (__cplusplus)
int yyparse (void *YYPARSE_PARAM)
# else
int yyparse (YYPARSE_PARAM)
void *YYPARSE_PARAM;
# endif
#else
#if defined (__STDC__) || defined (__cplusplus)
int
yyparse ( parser_control *pc )
#else
int
yyparse (pc)
parser_control *pc ;
#endif
#endif
{
int yychar;
YYSTYPE yylval;
int yynerrs;
register int yystate;
register int yyn;
int yyresult;
int yyerrstatus;
int yytoken = 0;
short yyssa[YYINITDEPTH];
short *yyss = yyssa;
register short *yyssp;
YYSTYPE yyvsa[YYINITDEPTH];
YYSTYPE *yyvs = yyvsa;
register YYSTYPE *yyvsp;
#define YYPOPSTACK (yyvsp--, yyssp--)
YYSIZE_T yystacksize = YYINITDEPTH;
YYSTYPE yyval;
int yylen;
YYDPRINTF ((stderr, "Starting parse\n"));
yystate = 0;
yyerrstatus = 0;
yynerrs = 0;
yychar = YYEMPTY;
yyssp = yyss;
yyvsp = yyvs;
goto yysetstate;
yynewstate:
yyssp++;
yysetstate:
*yyssp = yystate;
if (yyss + yystacksize - 1 <= yyssp)
{
YYSIZE_T yysize = yyssp - yyss + 1;
#ifdef yyoverflow
{
YYSTYPE *yyvs1 = yyvs;
short *yyss1 = yyss;
yyoverflow ("parser stack overflow",
&yyss1, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp),
&yystacksize);
yyss = yyss1;
yyvs = yyvs1;
}
#else
# ifndef YYSTACK_RELOCATE
goto yyoverflowlab;
# else
if (YYMAXDEPTH <= yystacksize)
goto yyoverflowlab;
yystacksize *= 2;
if (YYMAXDEPTH < yystacksize)
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);
# undef YYSTACK_RELOCATE
if (yyss1 != yyssa)
YYSTACK_FREE (yyss1);
}
# endif
#endif
yyssp = yyss + yysize - 1;
yyvsp = yyvs + yysize - 1;
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
(unsigned long int) yystacksize));
if (yyss + yystacksize - 1 <= yyssp)
YYABORT;
}
YYDPRINTF ((stderr, "Entering state %d\n", yystate));
goto yybackup;
yybackup:
yyn = yypact[yystate];
if (yyn == YYPACT_NINF)
goto yydefault;
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);
YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
}
yyn += yytoken;
if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
goto yydefault;
yyn = yytable[yyn];
if (yyn <= 0)
{
if (yyn == 0 || yyn == YYTABLE_NINF)
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
if (yyn == YYFINAL)
YYACCEPT;
YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
if (yyerrstatus)
yyerrstatus--;
yystate = yyn;
goto yynewstate;
yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
goto yyreduce;
yyreduce:
yylen = yyr2[yyn];
yyval = yyvsp[1-yylen];
YY_REDUCE_PRINT (yyn);
switch (yyn)
{
case 4:
#line 236 "getdate.y"
{
pc->seconds = yyvsp[0].timespec;
pc->timespec_seen = true;
}
break;
case 7:
#line 249 "getdate.y"
{ pc->times_seen++; }
break;
case 8:
#line 251 "getdate.y"
{ pc->local_zones_seen++; }
break;
case 9:
#line 253 "getdate.y"
{ pc->zones_seen++; }
break;
case 10:
#line 255 "getdate.y"
{ pc->dates_seen++; }
break;
case 11:
#line 257 "getdate.y"
{ pc->days_seen++; }
break;
case 12:
#line 259 "getdate.y"
{ pc->rels_seen = true; }
break;
case 14:
#line 265 "getdate.y"
{
pc->hour = yyvsp[-1].textintval.value;
pc->minutes = 0;
pc->seconds.tv_sec = 0;
pc->seconds.tv_nsec = 0;
pc->meridian = yyvsp[0].intval;
}
break;
case 15:
#line 273 "getdate.y"
{
pc->hour = yyvsp[-3].textintval.value;
pc->minutes = yyvsp[-1].textintval.value;
pc->seconds.tv_sec = 0;
pc->seconds.tv_nsec = 0;
pc->meridian = yyvsp[0].intval;
}
break;
case 16:
#line 281 "getdate.y"
{
pc->hour = yyvsp[-4].textintval.value;
pc->minutes = yyvsp[-2].textintval.value;
pc->seconds.tv_sec = 0;
pc->seconds.tv_nsec = 0;
pc->meridian = MER24;
pc->zones_seen++;
pc->time_zone = time_zone_hhmm (yyvsp[-1].textintval, yyvsp[0].intval);
}
break;
case 17:
#line 291 "getdate.y"
{
pc->hour = yyvsp[-5].textintval.value;
pc->minutes = yyvsp[-3].textintval.value;
pc->seconds = yyvsp[-1].timespec;
pc->meridian = yyvsp[0].intval;
}
break;
case 18:
#line 298 "getdate.y"
{
pc->hour = yyvsp[-6].textintval.value;
pc->minutes = yyvsp[-4].textintval.value;
pc->seconds = yyvsp[-2].timespec;
pc->meridian = MER24;
pc->zones_seen++;
pc->time_zone = time_zone_hhmm (yyvsp[-1].textintval, yyvsp[0].intval);
}
break;
case 19:
#line 310 "getdate.y"
{
pc->local_isdst = yyvsp[0].intval;
pc->dsts_seen += (0 < yyvsp[0].intval);
}
break;
case 20:
#line 315 "getdate.y"
{
pc->local_isdst = 1;
pc->dsts_seen += (0 < yyvsp[-1].intval) + 1;
}
break;
case 21:
#line 323 "getdate.y"
{ pc->time_zone = yyvsp[0].intval; }
break;
case 22:
#line 325 "getdate.y"
{ pc->time_zone = yyvsp[-1].intval; pc->rels_seen = true; }
break;
case 23:
#line 327 "getdate.y"
{ pc->time_zone = yyvsp[-2].intval + time_zone_hhmm (yyvsp[-1].textintval, yyvsp[0].intval); }
break;
case 24:
#line 329 "getdate.y"
{ pc->time_zone = yyvsp[0].intval + 60; }
break;
case 25:
#line 331 "getdate.y"
{ pc->time_zone = yyvsp[-1].intval + 60; }
break;
case 26:
#line 336 "getdate.y"
{
pc->day_ordinal = 1;
pc->day_number = yyvsp[0].intval;
}
break;
case 27:
#line 341 "getdate.y"
{
pc->day_ordinal = 1;
pc->day_number = yyvsp[-1].intval;
}
break;
case 28:
#line 346 "getdate.y"
{
pc->day_ordinal = yyvsp[-1].intval;
pc->day_number = yyvsp[0].intval;
}
break;
case 29:
#line 351 "getdate.y"
{
pc->day_ordinal = yyvsp[-1].textintval.value;
pc->day_number = yyvsp[0].intval;
}
break;
case 30:
#line 359 "getdate.y"
{
pc->month = yyvsp[-2].textintval.value;
pc->day = yyvsp[0].textintval.value;
}
break;
case 31:
#line 364 "getdate.y"
{
if (4 <= yyvsp[-4].textintval.digits)
{
pc->year = yyvsp[-4].textintval;
pc->month = yyvsp[-2].textintval.value;
pc->day = yyvsp[0].textintval.value;
}
else
{
pc->month = yyvsp[-4].textintval.value;
pc->day = yyvsp[-2].textintval.value;
pc->year = yyvsp[0].textintval;
}
}
break;
case 32:
#line 384 "getdate.y"
{
pc->year = yyvsp[-2].textintval;
pc->month = -yyvsp[-1].textintval.value;
pc->day = -yyvsp[0].textintval.value;
}
break;
case 33:
#line 391 "getdate.y"
{
pc->day = yyvsp[-2].textintval.value;
pc->month = yyvsp[-1].intval;
pc->year.value = -yyvsp[0].textintval.value;
pc->year.digits = yyvsp[0].textintval.digits;
}
break;
case 34:
#line 399 "getdate.y"
{
pc->month = yyvsp[-2].intval;
pc->day = -yyvsp[-1].textintval.value;
pc->year.value = -yyvsp[0].textintval.value;
pc->year.digits = yyvsp[0].textintval.digits;
}
break;
case 35:
#line 407 "getdate.y"
{
pc->month = yyvsp[-1].intval;
pc->day = yyvsp[0].textintval.value;
}
break;
case 36:
#line 412 "getdate.y"
{
pc->month = yyvsp[-3].intval;
pc->day = yyvsp[-2].textintval.value;
pc->year = yyvsp[0].textintval;
}
break;
case 37:
#line 418 "getdate.y"
{
pc->day = yyvsp[-1].textintval.value;
pc->month = yyvsp[0].intval;
}
break;
case 38:
#line 423 "getdate.y"
{
pc->day = yyvsp[-2].textintval.value;
pc->month = yyvsp[-1].intval;
pc->year = yyvsp[0].textintval;
}
break;
case 39:
#line 432 "getdate.y"
{
pc->rel_ns = -pc->rel_ns;
pc->rel_seconds = -pc->rel_seconds;
pc->rel_minutes = -pc->rel_minutes;
pc->rel_hour = -pc->rel_hour;
pc->rel_day = -pc->rel_day;
pc->rel_month = -pc->rel_month;
pc->rel_year = -pc->rel_year;
}
break;
case 41:
#line 446 "getdate.y"
{ pc->rel_year += yyvsp[-1].intval * yyvsp[0].intval; }
break;
case 42:
#line 448 "getdate.y"
{ pc->rel_year += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 43:
#line 450 "getdate.y"
{ pc->rel_year += yyvsp[0].intval; }
break;
case 44:
#line 452 "getdate.y"
{ pc->rel_month += yyvsp[-1].intval * yyvsp[0].intval; }
break;
case 45:
#line 454 "getdate.y"
{ pc->rel_month += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 46:
#line 456 "getdate.y"
{ pc->rel_month += yyvsp[0].intval; }
break;
case 47:
#line 458 "getdate.y"
{ pc->rel_day += yyvsp[-1].intval * yyvsp[0].intval; }
break;
case 48:
#line 460 "getdate.y"
{ pc->rel_day += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 49:
#line 462 "getdate.y"
{ pc->rel_day += yyvsp[0].intval; }
break;
case 50:
#line 464 "getdate.y"
{ pc->rel_hour += yyvsp[-1].intval * yyvsp[0].intval; }
break;
case 51:
#line 466 "getdate.y"
{ pc->rel_hour += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 52:
#line 468 "getdate.y"
{ pc->rel_hour += yyvsp[0].intval; }
break;
case 53:
#line 470 "getdate.y"
{ pc->rel_minutes += yyvsp[-1].intval * yyvsp[0].intval; }
break;
case 54:
#line 472 "getdate.y"
{ pc->rel_minutes += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 55:
#line 474 "getdate.y"
{ pc->rel_minutes += yyvsp[0].intval; }
break;
case 56:
#line 476 "getdate.y"
{ pc->rel_seconds += yyvsp[-1].intval * yyvsp[0].intval; }
break;
case 57:
#line 478 "getdate.y"
{ pc->rel_seconds += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 58:
#line 480 "getdate.y"
{ pc->rel_seconds += yyvsp[-1].timespec.tv_sec * yyvsp[0].intval; pc->rel_ns += yyvsp[-1].timespec.tv_nsec * yyvsp[0].intval; }
break;
case 59:
#line 482 "getdate.y"
{ pc->rel_seconds += yyvsp[-1].timespec.tv_sec * yyvsp[0].intval; pc->rel_ns += yyvsp[-1].timespec.tv_nsec * yyvsp[0].intval; }
break;
case 60:
#line 484 "getdate.y"
{ pc->rel_seconds += yyvsp[0].intval; }
break;
case 62:
#line 490 "getdate.y"
{ pc->rel_year += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 63:
#line 492 "getdate.y"
{ pc->rel_month += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 64:
#line 494 "getdate.y"
{ pc->rel_day += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 65:
#line 496 "getdate.y"
{ pc->rel_hour += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 66:
#line 498 "getdate.y"
{ pc->rel_minutes += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 67:
#line 500 "getdate.y"
{ pc->rel_seconds += yyvsp[-1].textintval.value * yyvsp[0].intval; }
break;
case 71:
#line 508 "getdate.y"
{ yyval.timespec.tv_sec = yyvsp[0].textintval.value; yyval.timespec.tv_nsec = 0; }
break;
case 73:
#line 514 "getdate.y"
{ yyval.timespec.tv_sec = yyvsp[0].textintval.value; yyval.timespec.tv_nsec = 0; }
break;
case 74:
#line 519 "getdate.y"
{
if (pc->dates_seen && ! pc->year.digits
&& ! pc->rels_seen && (pc->times_seen || 2 < yyvsp[0].textintval.digits))
pc->year = yyvsp[0].textintval;
else
{
if (4 < yyvsp[0].textintval.digits)
{
pc->dates_seen++;
pc->day = yyvsp[0].textintval.value % 100;
pc->month = (yyvsp[0].textintval.value / 100) % 100;
pc->year.value = yyvsp[0].textintval.value / 10000;
pc->year.digits = yyvsp[0].textintval.digits - 4;
}
else
{
pc->times_seen++;
if (yyvsp[0].textintval.digits <= 2)
{
pc->hour = yyvsp[0].textintval.value;
pc->minutes = 0;
}
else
{
pc->hour = yyvsp[0].textintval.value / 100;
pc->minutes = yyvsp[0].textintval.value % 100;
}
pc->seconds.tv_sec = 0;
pc->seconds.tv_nsec = 0;
pc->meridian = MER24;
}
}
}
break;
case 75:
#line 556 "getdate.y"
{ yyval.intval = -1; }
break;
case 76:
#line 558 "getdate.y"
{ yyval.intval = yyvsp[0].textintval.value; }
break;
case 77:
#line 563 "getdate.y"
{ yyval.intval = MER24; }
break;
case 78:
#line 565 "getdate.y"
{ yyval.intval = yyvsp[0].intval; }
break;
}
#line 1782 "getdate.c"
yyvsp -= yylen;
yyssp -= yylen;
YY_STACK_PRINT (yyss, yyssp);
*++yyvsp = yyval;
yyn = yyr1[yyn];
yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
yystate = yydefgoto[yyn - YYNTOKENS];
goto yynewstate;
yyerrlab:
if (!yyerrstatus)
{
++yynerrs;
#if YYERROR_VERBOSE
yyn = yypact[yystate];
if (YYPACT_NINF < yyn && yyn < YYLAST)
{
YYSIZE_T yysize = 0;
int yytype = YYTRANSLATE (yychar);
const char* yyprefix;
char *yymsg;
int yyx;
int yyxbegin = yyn < 0 ? -yyn : 0;
int yychecklim = YYLAST - yyn;
int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
int yycount = 0;
yyprefix = ", expecting ";
for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
{
yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]);
yycount += 1;
if (yycount == 5)
{
yysize = 0;
break;
}
}
yysize += (sizeof ("syntax error, unexpected ")
+ yystrlen (yytname[yytype]));
yymsg = (char *) YYSTACK_ALLOC (yysize);
if (yymsg != 0)
{
char *yyp = yystpcpy (yymsg, "syntax error, unexpected ");
yyp = yystpcpy (yyp, yytname[yytype]);
if (yycount < 5)
{
yyprefix = ", expecting ";
for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
{
yyp = yystpcpy (yyp, yyprefix);
yyp = yystpcpy (yyp, yytname[yyx]);
yyprefix = " or ";
}
}
yyerror (pc, yymsg);
YYSTACK_FREE (yymsg);
}
else
yyerror (pc, "syntax error; also virtual memory exhausted");
}
else
#endif
yyerror (pc, "syntax error");
}
if (yyerrstatus == 3)
{
if (yychar <= YYEOF)
{
if (yychar == YYEOF)
for (;;)
{
YYPOPSTACK;
if (yyssp == yyss)
YYABORT;
YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
yydestruct (yystos[*yyssp], yyvsp);
}
}
else
{
YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
yydestruct (yytoken, &yylval);
yychar = YYEMPTY;
}
}
goto yyerrlab1;
yyerrorlab:
#ifdef __GNUC__
if (0)
goto yyerrorlab;
#endif
yyvsp -= yylen;
yyssp -= yylen;
yystate = *yyssp;
goto yyerrlab1;
yyerrlab1:
yyerrstatus = 3;
for (;;)
{
yyn = yypact[yystate];
if (yyn != YYPACT_NINF)
{
yyn += YYTERROR;
if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
{
yyn = yytable[yyn];
if (0 < yyn)
break;
}
}
if (yyssp == yyss)
YYABORT;
YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
yydestruct (yystos[yystate], yyvsp);
YYPOPSTACK;
yystate = *yyssp;
YY_STACK_PRINT (yyss, yyssp);
}
if (yyn == YYFINAL)
YYACCEPT;
YYDPRINTF ((stderr, "Shifting error token, "));
*++yyvsp = yylval;
yystate = yyn;
goto yynewstate;
yyacceptlab:
yyresult = 0;
goto yyreturn;
yyabortlab:
yyresult = 1;
goto yyreturn;
#ifndef yyoverflow
yyoverflowlab:
yyerror (pc, "parser stack overflow");
yyresult = 2;
#endif
yyreturn:
#ifndef yyoverflow
if (yyss != yyssa)
YYSTACK_FREE (yyss);
#endif
return yyresult;
}
#line 568 "getdate.y"
static table const meridian_table[] =
{
{ "AM", tMERIDIAN, MERam },
{ "A.M.", tMERIDIAN, MERam },
{ "PM", tMERIDIAN, MERpm },
{ "P.M.", tMERIDIAN, MERpm },
{ NULL, 0, 0 }
};
static table const dst_table[] =
{
{ "DST", tDST, 0 }
};
static table const month_and_day_table[] =
{
{ "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 }
};
static table const time_units_table[] =
{
{ "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 }
};
static table const relative_time_table[] =
{
{ "TOMORROW", tDAY_UNIT, 1 },
{ "YESTERDAY",tDAY_UNIT, -1 },
{ "TODAY", tDAY_UNIT, 0 },
{ "NOW", tDAY_UNIT, 0 },
{ "LAST", tORDINAL, -1 },
{ "THIS", tORDINAL, 0 },
{ "NEXT", tORDINAL, 1 },
{ "FIRST", tORDINAL, 1 },
{ "THIRD", tORDINAL, 3 },
{ "FOURTH", tORDINAL, 4 },
{ "FIFTH", tORDINAL, 5 },
{ "SIXTH", tORDINAL, 6 },
{ "SEVENTH", tORDINAL, 7 },
{ "EIGHTH", tORDINAL, 8 },
{ "NINTH", tORDINAL, 9 },
{ "TENTH", tORDINAL, 10 },
{ "ELEVENTH", tORDINAL, 11 },
{ "TWELFTH", tORDINAL, 12 },
{ "AGO", tAGO, 1 },
{ NULL, 0, 0 }
};
static table const universal_time_zone_table[] =
{
{ "GMT", tZONE, HOUR ( 0) },
{ "UT", tZONE, HOUR ( 0) },
{ "UTC", tZONE, HOUR ( 0) },
{ NULL, 0, 0 }
};
static table const time_zone_table[] =
{
{ "WET", tZONE, HOUR ( 0) },
{ "WEST", tDAYZONE, HOUR ( 0) },
{ "BST", tDAYZONE, HOUR ( 0) },
{ "ART", tZONE, -HOUR ( 3) },
{ "BRT", tZONE, -HOUR ( 3) },
{ "BRST", tDAYZONE, -HOUR ( 3) },
{ "NST", tZONE, -(HOUR ( 3) + 30) },
{ "NDT", tDAYZONE,-(HOUR ( 3) + 30) },
{ "AST", tZONE, -HOUR ( 4) },
{ "ADT", tDAYZONE, -HOUR ( 4) },
{ "CLT", tZONE, -HOUR ( 4) },
{ "CLST", tDAYZONE, -HOUR ( 4) },
{ "EST", tZONE, -HOUR ( 5) },
{ "EDT", tDAYZONE, -HOUR ( 5) },
{ "CST", tZONE, -HOUR ( 6) },
{ "CDT", tDAYZONE, -HOUR ( 6) },
{ "MST", tZONE, -HOUR ( 7) },
{ "MDT", tDAYZONE, -HOUR ( 7) },
{ "PST", tZONE, -HOUR ( 8) },
{ "PDT", tDAYZONE, -HOUR ( 8) },
{ "AKST", tZONE, -HOUR ( 9) },
{ "AKDT", tDAYZONE, -HOUR ( 9) },
{ "HST", tZONE, -HOUR (10) },
{ "HAST", tZONE, -HOUR (10) },
{ "HADT", tDAYZONE, -HOUR (10) },
{ "SST", tZONE, -HOUR (12) },
{ "WAT", tZONE, HOUR ( 1) },
{ "CET", tZONE, HOUR ( 1) },
{ "CEST", tDAYZONE, HOUR ( 1) },
{ "MET", tZONE, HOUR ( 1) },
{ "MEZ", tZONE, HOUR ( 1) },
{ "MEST", tDAYZONE, HOUR ( 1) },
{ "MESZ", tDAYZONE, HOUR ( 1) },
{ "EET", tZONE, HOUR ( 2) },
{ "EEST", tDAYZONE, HOUR ( 2) },
{ "CAT", tZONE, HOUR ( 2) },
{ "SAST", tZONE, HOUR ( 2) },
{ "EAT", tZONE, HOUR ( 3) },
{ "MSK", tZONE, HOUR ( 3) },
{ "MSD", tDAYZONE, HOUR ( 3) },
{ "IST", tZONE, (HOUR ( 5) + 30) },
{ "SGT", tZONE, HOUR ( 8) },
{ "KST", tZONE, HOUR ( 9) },
{ "JST", tZONE, HOUR ( 9) },
{ "GST", tZONE, HOUR (10) },
{ "NZST", tZONE, HOUR (12) },
{ "NZDT", tDAYZONE, HOUR (12) },
{ NULL, 0, 0 }
};
static table const military_table[] =
{
{ "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 long int
time_zone_hhmm (textint s, long int mm)
{
if (mm < 0)
return (s.value / 100) * 60 + s.value % 100;
else
return s.value * 60 + (s.negative ? -mm : mm);
}
static int
to_hour (long int hours, int meridian)
{
switch (meridian)
{
default:
case MER24:
return 0 <= hours && hours < 24 ? hours : -1;
case MERam:
return 0 < hours && hours < 12 ? hours : hours == 12 ? 0 : -1;
case MERpm:
return 0 < hours && hours < 12 ? hours + 12 : hours == 12 ? 12 : -1;
}
}
static long int
to_year (textint textyear)
{
long int year = textyear.value;
if (year < 0)
year = -year;
else if (textyear.digits == 2)
year += year < 69 ? 2000 : 1900;
return year;
}
static table const *
lookup_zone (parser_control const *pc, char const *name)
{
table const *tp;
for (tp = universal_time_zone_table; tp->name; tp++)
if (strcmp (name, tp->name) == 0)
return tp;
for (tp = pc->local_time_zone_table; tp->name; tp++)
if (strcmp (name, tp->name) == 0)
return tp;
for (tp = time_zone_table; tp->name; tp++)
if (strcmp (name, tp->name) == 0)
return tp;
return NULL;
}
#if ! HAVE_TM_GMTOFF
static long int
tm_diff (struct tm const *a, struct tm const *b)
{
int a4 = SHR (a->tm_year, 2) + SHR (TM_YEAR_BASE, 2) - ! (a->tm_year & 3);
int b4 = SHR (b->tm_year, 2) + SHR (TM_YEAR_BASE, 2) - ! (b->tm_year & 3);
int a100 = a4 / 25 - (a4 % 25 < 0);
int b100 = b4 / 25 - (b4 % 25 < 0);
int a400 = SHR (a100, 2);
int b400 = SHR (b100, 2);
int intervening_leap_days = (a4 - b4) - (a100 - b100) + (a400 - b400);
long int ayear = a->tm_year;
long int years = ayear - b->tm_year;
long int days = (365 * years + intervening_leap_days
+ (a->tm_yday - b->tm_yday));
return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour))
+ (a->tm_min - b->tm_min))
+ (a->tm_sec - b->tm_sec));
}
#endif
static table const *
lookup_word (parser_control const *pc, char *word)
{
char *p;
char *q;
size_t wordlen;
table const *tp;
bool period_found;
bool abbrev;
for (p = word; *p; p++)
{
unsigned char ch = *p;
if (ISLOWER (ch))
*p = toupper (ch);
}
for (tp = meridian_table; tp->name; tp++)
if (strcmp (word, tp->name) == 0)
return tp;
wordlen = strlen (word);
abbrev = wordlen == 3 || (wordlen == 4 && word[3] == '.');
for (tp = month_and_day_table; tp->name; tp++)
if ((abbrev ? strncmp (word, tp->name, 3) : strcmp (word, tp->name)) == 0)
return tp;
if ((tp = lookup_zone (pc, word)))
return tp;
if (strcmp (word, dst_table[0].name) == 0)
return dst_table;
for (tp = time_units_table; tp->name; tp++)
if (strcmp (word, tp->name) == 0)
return tp;
if (word[wordlen - 1] == 'S')
{
word[wordlen - 1] = '\0';
for (tp = time_units_table; tp->name; tp++)
if (strcmp (word, tp->name) == 0)
return tp;
word[wordlen - 1] = 'S';
}
for (tp = relative_time_table; tp->name; tp++)
if (strcmp (word, tp->name) == 0)
return tp;
if (wordlen == 1)
for (tp = military_table; tp->name; tp++)
if (word[0] == tp->name[0])
return tp;
for (period_found = false, p = q = word; (*p = *q); q++)
if (*q == '.')
period_found = true;
else
p++;
if (period_found && (tp = lookup_zone (pc, word)))
return tp;
return NULL;
}
static int
yylex (YYSTYPE *lvalp, parser_control *pc)
{
unsigned char c;
size_t count;
for (;;)
{
while (c = *pc->input, ISSPACE (c))
pc->input++;
if (ISDIGIT (c) || c == '-' || c == '+')
{
char const *p;
int sign;
unsigned long int value;
if (c == '-' || c == '+')
{
sign = c == '-' ? -1 : 1;
while (c = *++pc->input, ISSPACE (c))
continue;
if (! ISDIGIT (c))
continue;
}
else
sign = 0;
p = pc->input;
for (value = 0; ; value *= 10)
{
unsigned long int value1 = value + (c - '0');
if (value1 < value)
return '?';
value = value1;
c = *++p;
if (! ISDIGIT (c))
break;
if (ULONG_MAX / 10 < value)
return '?';
}
if ((c == '.' || c == ',') && ISDIGIT (p[1]))
{
time_t s;
int ns;
int digits;
unsigned long int value1;
if (sign < 0)
{
s = - value;
if (0 < s)
return '?';
value1 = -s;
}
else
{
s = value;
if (s < 0)
return '?';
value1 = s;
}
if (value != value1)
return '?';
p++;
ns = *p++ - '0';
for (digits = 2; digits <= LOG10_BILLION; digits++)
{
ns *= 10;
if (ISDIGIT (*p))
ns += *p++ - '0';
}
if (sign < 0)
for (; ISDIGIT (*p); p++)
if (*p != '0')
{
ns++;
break;
}
while (ISDIGIT (*p))
p++;
if (sign < 0 && ns)
{
s--;
if (! (s < 0))
return '?';
ns = BILLION - ns;
}
lvalp->timespec.tv_sec = s;
lvalp->timespec.tv_nsec = ns;
pc->input = p;
return sign ? tSDECIMAL_NUMBER : tUDECIMAL_NUMBER;
}
else
{
lvalp->textintval.negative = sign < 0;
if (sign < 0)
{
lvalp->textintval.value = - value;
if (0 < lvalp->textintval.value)
return '?';
}
else
{
lvalp->textintval.value = value;
if (lvalp->textintval.value < 0)
return '?';
}
lvalp->textintval.digits = p - pc->input;
pc->input = p;
return sign ? tSNUMBER : tUNUMBER;
}
}
if (ISALPHA (c))
{
char buff[20];
char *p = buff;
table const *tp;
do
{
if (p < buff + sizeof buff - 1)
*p++ = c;
c = *++pc->input;
}
while (ISALPHA (c) || c == '.');
*p = '\0';
tp = lookup_word (pc, buff);
if (! tp)
return '?';
lvalp->intval = tp->value;
return tp->type;
}
if (c != '(')
return *pc->input++;
count = 0;
do
{
c = *pc->input++;
if (c == '\0')
return c;
if (c == '(')
count++;
else if (c == ')')
count--;
}
while (count != 0);
}
}
static int
yyerror (parser_control *pc ATTRIBUTE_UNUSED, char *s ATTRIBUTE_UNUSED)
{
return 0;
}
static bool
mktime_ok (struct tm const *tm0, struct tm const *tm1, time_t t)
{
if (t == (time_t) -1)
{
tm1 = localtime (&t);
if (!tm1)
return false;
}
return ! ((tm0->tm_sec ^ tm1->tm_sec)
| (tm0->tm_min ^ tm1->tm_min)
| (tm0->tm_hour ^ tm1->tm_hour)
| (tm0->tm_mday ^ tm1->tm_mday)
| (tm0->tm_mon ^ tm1->tm_mon)
| (tm0->tm_year ^ tm1->tm_year));
}
enum { TZBUFSIZE = 100 };
static char *
get_tz (char tzbuf[TZBUFSIZE])
{
char *tz = getenv ("TZ");
if (tz)
{
size_t tzsize = strlen (tz) + 1;
tz = (tzsize <= TZBUFSIZE
? memcpy (tzbuf, tz, tzsize)
: xmemdup (tz, tzsize));
}
return tz;
}
bool
get_date (struct timespec *result, char const *p, struct timespec const *now)
{
time_t Start;
long int Start_ns;
struct tm const *tmp;
struct tm tm;
struct tm tm0;
parser_control pc;
struct timespec gettime_buffer;
unsigned char c;
bool tz_was_altered = false;
char *tz0 = NULL;
char tz0buf[TZBUFSIZE];
bool ok = true;
if (! now)
{
gettime (&gettime_buffer);
now = &gettime_buffer;
}
Start = now->tv_sec;
Start_ns = now->tv_nsec;
tmp = localtime (&now->tv_sec);
if (! tmp)
return false;
while (c = *p, ISSPACE (c))
p++;
if (strncmp (p, "TZ=\"", 4) == 0)
{
char const *tzbase = p + 4;
size_t tzsize = 1;
char const *s;
for (s = tzbase; *s; s++, tzsize++)
if (*s == '\\')
{
s++;
if (! (*s == '\\' || *s == '"'))
break;
}
else if (*s == '"')
{
char *z;
char *tz1;
char tz1buf[TZBUFSIZE];
bool large_tz = TZBUFSIZE < tzsize;
bool setenv_ok;
tz0 = get_tz (tz0buf);
z = tz1 = large_tz ? xmalloc (tzsize) : tz1buf;
for (s = tzbase; *s != '"'; s++)
*z++ = *(s += *s == '\\');
*z = '\0';
setenv_ok = setenv ("TZ", tz1, 1) == 0;
if (large_tz)
free (tz1);
if (!setenv_ok)
goto fail;
tz_was_altered = true;
p = s + 1;
}
}
pc.input = p;
pc.year.value = tmp->tm_year;
pc.year.value += TM_YEAR_BASE;
pc.year.digits = 0;
pc.month = tmp->tm_mon + 1;
pc.day = tmp->tm_mday;
pc.hour = tmp->tm_hour;
pc.minutes = tmp->tm_min;
pc.seconds.tv_sec = tmp->tm_sec;
pc.seconds.tv_nsec = Start_ns;
tm.tm_isdst = tmp->tm_isdst;
pc.meridian = MER24;
pc.rel_ns = 0;
pc.rel_seconds = 0;
pc.rel_minutes = 0;
pc.rel_hour = 0;
pc.rel_day = 0;
pc.rel_month = 0;
pc.rel_year = 0;
pc.timespec_seen = false;
pc.rels_seen = false;
pc.dates_seen = 0;
pc.days_seen = 0;
pc.times_seen = 0;
pc.local_zones_seen = 0;
pc.dsts_seen = 0;
pc.zones_seen = 0;
#if HAVE_STRUCT_TM_TM_ZONE
pc.local_time_zone_table[0].name = tmp->tm_zone;
pc.local_time_zone_table[0].type = tLOCAL_ZONE;
pc.local_time_zone_table[0].value = tmp->tm_isdst;
pc.local_time_zone_table[1].name = NULL;
{
int quarter;
for (quarter = 1; quarter <= 3; quarter++)
{
time_t probe = Start + quarter * (90 * 24 * 60 * 60);
struct tm const *probe_tm = localtime (&probe);
if (probe_tm && probe_tm->tm_zone
&& probe_tm->tm_isdst != pc.local_time_zone_table[0].value)
{
{
pc.local_time_zone_table[1].name = probe_tm->tm_zone;
pc.local_time_zone_table[1].type = tLOCAL_ZONE;
pc.local_time_zone_table[1].value = probe_tm->tm_isdst;
pc.local_time_zone_table[2].name = NULL;
}
break;
}
}
}
#else
#if HAVE_TZNAME
{
# ifndef tzname
extern char *tzname[];
# endif
int i;
for (i = 0; i < 2; i++)
{
pc.local_time_zone_table[i].name = tzname[i];
pc.local_time_zone_table[i].type = tLOCAL_ZONE;
pc.local_time_zone_table[i].value = i;
}
pc.local_time_zone_table[i].name = NULL;
}
#else
pc.local_time_zone_table[0].name = NULL;
#endif
#endif
if (pc.local_time_zone_table[0].name && pc.local_time_zone_table[1].name
&& ! strcmp (pc.local_time_zone_table[0].name,
pc.local_time_zone_table[1].name))
{
pc.local_time_zone_table[0].value = -1;
pc.local_time_zone_table[1].name = NULL;
}
if (yyparse (&pc) != 0)
goto fail;
if (pc.timespec_seen)
*result = pc.seconds;
else
{
if (1 < (pc.times_seen | pc.dates_seen | pc.days_seen | pc.dsts_seen
| (pc.local_zones_seen + pc.zones_seen)))
goto fail;
tm.tm_year = to_year (pc.year) - TM_YEAR_BASE;
tm.tm_mon = pc.month - 1;
tm.tm_mday = pc.day;
if (pc.times_seen || (pc.rels_seen && ! pc.dates_seen && ! pc.days_seen))
{
tm.tm_hour = to_hour (pc.hour, pc.meridian);
if (tm.tm_hour < 0)
goto fail;
tm.tm_min = pc.minutes;
tm.tm_sec = pc.seconds.tv_sec;
}
else
{
tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
pc.seconds.tv_nsec = 0;
}
if (!pc.rels_seen)
tm.tm_isdst = -1;
if (pc.local_zones_seen)
tm.tm_isdst = pc.local_isdst;
tm0 = tm;
Start = mktime (&tm);
if (! mktime_ok (&tm0, &tm, Start))
{
if (! pc.zones_seen)
goto fail;
else
{
long int time_zone = pc.time_zone;
long int abs_time_zone = time_zone < 0 ? - time_zone : time_zone;
long int abs_time_zone_hour = abs_time_zone / 60;
int abs_time_zone_min = abs_time_zone % 60;
char tz1buf[sizeof "XXX+0:00"
+ sizeof pc.time_zone * CHAR_BIT / 3];
if (!tz_was_altered)
tz0 = get_tz (tz0buf);
sprintf (tz1buf, "XXX%s%ld:%02d", "-" + (time_zone < 0),
abs_time_zone_hour, abs_time_zone_min);
if (setenv ("TZ", tz1buf, 1) != 0)
goto fail;
tz_was_altered = true;
tm = tm0;
Start = mktime (&tm);
if (! mktime_ok (&tm0, &tm, Start))
goto fail;
}
}
if (pc.days_seen && ! pc.dates_seen)
{
tm.tm_mday += ((pc.day_number - tm.tm_wday + 7) % 7
+ 7 * (pc.day_ordinal - (0 < pc.day_ordinal)));
tm.tm_isdst = -1;
Start = mktime (&tm);
if (Start == (time_t) -1)
goto fail;
}
if (pc.zones_seen)
{
long int delta = pc.time_zone * 60;
time_t t1;
#ifdef HAVE_TM_GMTOFF
delta -= tm.tm_gmtoff;
#else
time_t t = Start;
struct tm const *gmt = gmtime (&t);
if (! gmt)
goto fail;
delta -= tm_diff (&tm, gmt);
#endif
t1 = Start - delta;
if ((Start < t1) != (delta < 0))
goto fail;
Start = t1;
}
if (pc.rel_year | pc.rel_month | pc.rel_day)
{
int year = tm.tm_year + pc.rel_year;
int month = tm.tm_mon + pc.rel_month;
int day = tm.tm_mday + pc.rel_day;
if (((year < tm.tm_year) ^ (pc.rel_year < 0))
| ((month < tm.tm_mon) ^ (pc.rel_month < 0))
| ((day < tm.tm_mday) ^ (pc.rel_day < 0)))
goto fail;
tm.tm_year = year;
tm.tm_mon = month;
tm.tm_mday = day;
Start = mktime (&tm);
if (Start == (time_t) -1)
goto fail;
}
{
long int sum_ns = pc.seconds.tv_nsec + pc.rel_ns;
long int normalized_ns = (sum_ns % BILLION + BILLION) % BILLION;
time_t t0 = Start;
long int d1 = 60 * 60 * pc.rel_hour;
time_t t1 = t0 + d1;
long int d2 = 60 * pc.rel_minutes;
time_t t2 = t1 + d2;
long int d3 = pc.rel_seconds;
time_t t3 = t2 + d3;
long int d4 = (sum_ns - normalized_ns) / BILLION;
time_t t4 = t3 + d4;
if ((d1 / (60 * 60) ^ pc.rel_hour)
| (d2 / 60 ^ pc.rel_minutes)
| ((t1 < t0) ^ (d1 < 0))
| ((t2 < t1) ^ (d2 < 0))
| ((t3 < t2) ^ (d3 < 0))
| ((t4 < t3) ^ (d4 < 0)))
goto fail;
result->tv_sec = t4;
result->tv_nsec = normalized_ns;
}
}
goto done;
fail:
ok = false;
done:
if (tz_was_altered)
ok &= (tz0 ? setenv ("TZ", tz0, 1) : unsetenv ("TZ")) == 0;
if (tz0 != tz0buf)
free (tz0);
return ok;
}
#if TEST
int
main (int ac, char **av)
{
char buff[BUFSIZ];
printf ("Enter date, or blank line to exit.\n\t> ");
fflush (stdout);
buff[BUFSIZ - 1] = '\0';
while (fgets (buff, BUFSIZ - 1, stdin) && buff[0])
{
struct timespec d;
struct tm const *tm;
if (! get_date (&d, buff, NULL))
printf ("Bad format - couldn't convert.\n");
else if (! (tm = localtime (&d.tv_sec)))
{
long int sec = d.tv_sec;
printf ("localtime (%ld) failed\n", sec);
}
else
{
int ns = d.tv_nsec;
printf ("%04ld-%02d-%02d %02d:%02d:%02d.%09d\n",
tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec, ns);
}
printf ("\t> ");
fflush (stdout);
}
return 0;
}
#endif