| 1 |
/* $Header$ */ |
| 2 |
/* |
| 3 |
* tclDate.c -- |
| 4 |
* |
| 5 |
* This file is generated from a yacc grammar defined in |
| 6 |
* the file tclGetDate.y. It should not be edited directly. |
| 7 |
* |
| 8 |
* Copyright (c) 1992-1995 Karl Lehenbauer and Mark Diekhans. |
| 9 |
* Copyright (c) 1995-1997 Sun Microsystems, Inc. |
| 10 |
* |
| 11 |
* See the file "license.terms" for information on usage and redistribution |
| 12 |
* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
| 13 |
* |
| 14 |
* RCS: @(#) $Id: tcldate.c,v 1.1.1.1 2001/06/13 04:36:47 dtashley Exp $ |
| 15 |
*/ |
| 16 |
|
| 17 |
#include "tclInt.h" |
| 18 |
#include "tclPort.h" |
| 19 |
|
| 20 |
#ifdef MAC_TCL |
| 21 |
# define EPOCH 1904 |
| 22 |
# define START_OF_TIME 1904 |
| 23 |
# define END_OF_TIME 2039 |
| 24 |
#else |
| 25 |
# define EPOCH 1970 |
| 26 |
# define START_OF_TIME 1902 |
| 27 |
# define END_OF_TIME 2037 |
| 28 |
#endif |
| 29 |
|
| 30 |
/* |
| 31 |
* The offset of tm_year of struct tm returned by localtime, gmtime, etc. |
| 32 |
* I don't know how universal this is; K&R II, the NetBSD manpages, and |
| 33 |
* ../compat/strftime.c all agree that tm_year is the year-1900. However, |
| 34 |
* some systems may have a different value. This #define should be the |
| 35 |
* same as in ../compat/strftime.c. |
| 36 |
*/ |
| 37 |
#define TM_YEAR_BASE 1900 |
| 38 |
|
| 39 |
#define HOUR(x) ((int) (60 * x)) |
| 40 |
#define SECSPERDAY (24L * 60L * 60L) |
| 41 |
#define IsLeapYear(x) ((x % 4 == 0) && (x % 100 != 0 || x % 400 == 0)) |
| 42 |
|
| 43 |
/* |
| 44 |
* An entry in the lexical lookup table. |
| 45 |
*/ |
| 46 |
typedef struct _TABLE { |
| 47 |
char *name; |
| 48 |
int type; |
| 49 |
time_t value; |
| 50 |
} TABLE; |
| 51 |
|
| 52 |
|
| 53 |
/* |
| 54 |
* Daylight-savings mode: on, off, or not yet known. |
| 55 |
*/ |
| 56 |
typedef enum _DSTMODE { |
| 57 |
DSTon, DSToff, DSTmaybe |
| 58 |
} DSTMODE; |
| 59 |
|
| 60 |
/* |
| 61 |
* Meridian: am, pm, or 24-hour style. |
| 62 |
*/ |
| 63 |
typedef enum _MERIDIAN { |
| 64 |
MERam, MERpm, MER24 |
| 65 |
} MERIDIAN; |
| 66 |
|
| 67 |
|
| 68 |
/* |
| 69 |
* Global variables. We could get rid of most of these by using a good |
| 70 |
* union as the yacc stack. (This routine was originally written before |
| 71 |
* yacc had the %union construct.) Maybe someday; right now we only use |
| 72 |
* the %union very rarely. |
| 73 |
*/ |
| 74 |
static char *TclDateInput; |
| 75 |
static DSTMODE TclDateDSTmode; |
| 76 |
static time_t TclDateDayOrdinal; |
| 77 |
static time_t TclDateDayNumber; |
| 78 |
static time_t TclDateMonthOrdinal; |
| 79 |
static int TclDateHaveDate; |
| 80 |
static int TclDateHaveDay; |
| 81 |
static int TclDateHaveOrdinalMonth; |
| 82 |
static int TclDateHaveRel; |
| 83 |
static int TclDateHaveTime; |
| 84 |
static int TclDateHaveZone; |
| 85 |
static time_t TclDateTimezone; |
| 86 |
static time_t TclDateDay; |
| 87 |
static time_t TclDateHour; |
| 88 |
static time_t TclDateMinutes; |
| 89 |
static time_t TclDateMonth; |
| 90 |
static time_t TclDateSeconds; |
| 91 |
static time_t TclDateYear; |
| 92 |
static MERIDIAN TclDateMeridian; |
| 93 |
static time_t TclDateRelMonth; |
| 94 |
static time_t TclDateRelDay; |
| 95 |
static time_t TclDateRelSeconds; |
| 96 |
static time_t *TclDateRelPointer; |
| 97 |
|
| 98 |
/* |
| 99 |
* Prototypes of internal functions. |
| 100 |
*/ |
| 101 |
static void TclDateerror _ANSI_ARGS_((char *s)); |
| 102 |
static time_t ToSeconds _ANSI_ARGS_((time_t Hours, time_t Minutes, |
| 103 |
time_t Seconds, MERIDIAN Meridian)); |
| 104 |
static int Convert _ANSI_ARGS_((time_t Month, time_t Day, time_t Year, |
| 105 |
time_t Hours, time_t Minutes, time_t Seconds, |
| 106 |
MERIDIAN Meridia, DSTMODE DSTmode, time_t *TimePtr)); |
| 107 |
static time_t DSTcorrect _ANSI_ARGS_((time_t Start, time_t Future)); |
| 108 |
static time_t NamedDay _ANSI_ARGS_((time_t Start, time_t DayOrdinal, |
| 109 |
time_t DayNumber)); |
| 110 |
static time_t NamedMonth _ANSI_ARGS_((time_t Start, time_t MonthOrdinal, |
| 111 |
time_t MonthNumber)); |
| 112 |
static int RelativeMonth _ANSI_ARGS_((time_t Start, time_t RelMonth, |
| 113 |
time_t *TimePtr)); |
| 114 |
static int RelativeDay _ANSI_ARGS_((time_t Start, time_t RelDay, |
| 115 |
time_t *TimePtr)); |
| 116 |
static int LookupWord _ANSI_ARGS_((char *buff)); |
| 117 |
static int TclDatelex _ANSI_ARGS_((void)); |
| 118 |
|
| 119 |
int |
| 120 |
TclDateparse _ANSI_ARGS_((void)); |
| 121 |
typedef union |
| 122 |
#ifdef __cplusplus |
| 123 |
YYSTYPE |
| 124 |
#endif |
| 125 |
{ |
| 126 |
time_t Number; |
| 127 |
enum _MERIDIAN Meridian; |
| 128 |
} YYSTYPE; |
| 129 |
# define tAGO 257 |
| 130 |
# define tDAY 258 |
| 131 |
# define tDAYZONE 259 |
| 132 |
# define tID 260 |
| 133 |
# define tMERIDIAN 261 |
| 134 |
# define tMINUTE_UNIT 262 |
| 135 |
# define tMONTH 263 |
| 136 |
# define tMONTH_UNIT 264 |
| 137 |
# define tSTARDATE 265 |
| 138 |
# define tSEC_UNIT 266 |
| 139 |
# define tSNUMBER 267 |
| 140 |
# define tUNUMBER 268 |
| 141 |
# define tZONE 269 |
| 142 |
# define tEPOCH 270 |
| 143 |
# define tDST 271 |
| 144 |
# define tISOBASE 272 |
| 145 |
# define tDAY_UNIT 273 |
| 146 |
# define tNEXT 274 |
| 147 |
|
| 148 |
|
| 149 |
|
| 150 |
|
| 151 |
#if defined(__cplusplus) || defined(__STDC__) |
| 152 |
|
| 153 |
#if defined(__cplusplus) && defined(__EXTERN_C__) |
| 154 |
extern "C" { |
| 155 |
#endif |
| 156 |
#ifndef TclDateerror |
| 157 |
#if defined(__cplusplus) |
| 158 |
void TclDateerror(CONST char *); |
| 159 |
#endif |
| 160 |
#endif |
| 161 |
#ifndef TclDatelex |
| 162 |
int TclDatelex(void); |
| 163 |
#endif |
| 164 |
int TclDateparse(void); |
| 165 |
#if defined(__cplusplus) && defined(__EXTERN_C__) |
| 166 |
} |
| 167 |
#endif |
| 168 |
|
| 169 |
#endif |
| 170 |
|
| 171 |
#define TclDateclearin TclDatechar = -1 |
| 172 |
#define TclDateerrok TclDateerrflag = 0 |
| 173 |
extern int TclDatechar; |
| 174 |
extern int TclDateerrflag; |
| 175 |
YYSTYPE TclDatelval; |
| 176 |
YYSTYPE TclDateval; |
| 177 |
typedef int TclDatetabelem; |
| 178 |
#ifndef YYMAXDEPTH |
| 179 |
#define YYMAXDEPTH 150 |
| 180 |
#endif |
| 181 |
#if YYMAXDEPTH > 0 |
| 182 |
int TclDate_TclDates[YYMAXDEPTH], *TclDates = TclDate_TclDates; |
| 183 |
YYSTYPE TclDate_TclDatev[YYMAXDEPTH], *TclDatev = TclDate_TclDatev; |
| 184 |
#else /* user does initial allocation */ |
| 185 |
int *TclDates; |
| 186 |
YYSTYPE *TclDatev; |
| 187 |
#endif |
| 188 |
static int TclDatemaxdepth = YYMAXDEPTH; |
| 189 |
# define YYERRCODE 256 |
| 190 |
|
| 191 |
|
| 192 |
/* |
| 193 |
* Month and day table. |
| 194 |
*/ |
| 195 |
static TABLE MonthDayTable[] = { |
| 196 |
{ "january", tMONTH, 1 }, |
| 197 |
{ "february", tMONTH, 2 }, |
| 198 |
{ "march", tMONTH, 3 }, |
| 199 |
{ "april", tMONTH, 4 }, |
| 200 |
{ "may", tMONTH, 5 }, |
| 201 |
{ "june", tMONTH, 6 }, |
| 202 |
{ "july", tMONTH, 7 }, |
| 203 |
{ "august", tMONTH, 8 }, |
| 204 |
{ "september", tMONTH, 9 }, |
| 205 |
{ "sept", tMONTH, 9 }, |
| 206 |
{ "october", tMONTH, 10 }, |
| 207 |
{ "november", tMONTH, 11 }, |
| 208 |
{ "december", tMONTH, 12 }, |
| 209 |
{ "sunday", tDAY, 0 }, |
| 210 |
{ "monday", tDAY, 1 }, |
| 211 |
{ "tuesday", tDAY, 2 }, |
| 212 |
{ "tues", tDAY, 2 }, |
| 213 |
{ "wednesday", tDAY, 3 }, |
| 214 |
{ "wednes", tDAY, 3 }, |
| 215 |
{ "thursday", tDAY, 4 }, |
| 216 |
{ "thur", tDAY, 4 }, |
| 217 |
{ "thurs", tDAY, 4 }, |
| 218 |
{ "friday", tDAY, 5 }, |
| 219 |
{ "saturday", tDAY, 6 }, |
| 220 |
{ NULL } |
| 221 |
}; |
| 222 |
|
| 223 |
/* |
| 224 |
* Time units table. |
| 225 |
*/ |
| 226 |
static TABLE UnitsTable[] = { |
| 227 |
{ "year", tMONTH_UNIT, 12 }, |
| 228 |
{ "month", tMONTH_UNIT, 1 }, |
| 229 |
{ "fortnight", tDAY_UNIT, 14 }, |
| 230 |
{ "week", tDAY_UNIT, 7 }, |
| 231 |
{ "day", tDAY_UNIT, 1 }, |
| 232 |
{ "hour", tSEC_UNIT, 60 * 60 }, |
| 233 |
{ "minute", tSEC_UNIT, 60 }, |
| 234 |
{ "min", tSEC_UNIT, 60 }, |
| 235 |
{ "second", tSEC_UNIT, 1 }, |
| 236 |
{ "sec", tSEC_UNIT, 1 }, |
| 237 |
{ NULL } |
| 238 |
}; |
| 239 |
|
| 240 |
/* |
| 241 |
* Assorted relative-time words. |
| 242 |
*/ |
| 243 |
static TABLE OtherTable[] = { |
| 244 |
{ "tomorrow", tDAY_UNIT, 1 }, |
| 245 |
{ "yesterday", tDAY_UNIT, -1 }, |
| 246 |
{ "today", tDAY_UNIT, 0 }, |
| 247 |
{ "now", tSEC_UNIT, 0 }, |
| 248 |
{ "last", tUNUMBER, -1 }, |
| 249 |
{ "this", tSEC_UNIT, 0 }, |
| 250 |
{ "next", tNEXT, 1 }, |
| 251 |
#if 0 |
| 252 |
{ "first", tUNUMBER, 1 }, |
| 253 |
{ "second", tUNUMBER, 2 }, |
| 254 |
{ "third", tUNUMBER, 3 }, |
| 255 |
{ "fourth", tUNUMBER, 4 }, |
| 256 |
{ "fifth", tUNUMBER, 5 }, |
| 257 |
{ "sixth", tUNUMBER, 6 }, |
| 258 |
{ "seventh", tUNUMBER, 7 }, |
| 259 |
{ "eighth", tUNUMBER, 8 }, |
| 260 |
{ "ninth", tUNUMBER, 9 }, |
| 261 |
{ "tenth", tUNUMBER, 10 }, |
| 262 |
{ "eleventh", tUNUMBER, 11 }, |
| 263 |
{ "twelfth", tUNUMBER, 12 }, |
| 264 |
#endif |
| 265 |
{ "ago", tAGO, 1 }, |
| 266 |
{ "epoch", tEPOCH, 0 }, |
| 267 |
{ "stardate", tSTARDATE, 0}, |
| 268 |
{ NULL } |
| 269 |
}; |
| 270 |
|
| 271 |
/* |
| 272 |
* The timezone table. (Note: This table was modified to not use any floating |
| 273 |
* point constants to work around an SGI compiler bug). |
| 274 |
*/ |
| 275 |
static TABLE TimezoneTable[] = { |
| 276 |
{ "gmt", tZONE, HOUR( 0) }, /* Greenwich Mean */ |
| 277 |
{ "ut", tZONE, HOUR( 0) }, /* Universal (Coordinated) */ |
| 278 |
{ "utc", tZONE, HOUR( 0) }, |
| 279 |
{ "uct", tZONE, HOUR( 0) }, /* Universal Coordinated Time */ |
| 280 |
{ "wet", tZONE, HOUR( 0) }, /* Western European */ |
| 281 |
{ "bst", tDAYZONE, HOUR( 0) }, /* British Summer */ |
| 282 |
{ "wat", tZONE, HOUR( 1) }, /* West Africa */ |
| 283 |
{ "at", tZONE, HOUR( 2) }, /* Azores */ |
| 284 |
#if 0 |
| 285 |
/* For completeness. BST is also British Summer, and GST is |
| 286 |
* also Guam Standard. */ |
| 287 |
{ "bst", tZONE, HOUR( 3) }, /* Brazil Standard */ |
| 288 |
{ "gst", tZONE, HOUR( 3) }, /* Greenland Standard */ |
| 289 |
#endif |
| 290 |
{ "nft", tZONE, HOUR( 7/2) }, /* Newfoundland */ |
| 291 |
{ "nst", tZONE, HOUR( 7/2) }, /* Newfoundland Standard */ |
| 292 |
{ "ndt", tDAYZONE, HOUR( 7/2) }, /* Newfoundland Daylight */ |
| 293 |
{ "ast", tZONE, HOUR( 4) }, /* Atlantic Standard */ |
| 294 |
{ "adt", tDAYZONE, HOUR( 4) }, /* Atlantic Daylight */ |
| 295 |
{ "est", tZONE, HOUR( 5) }, /* Eastern Standard */ |
| 296 |
{ "edt", tDAYZONE, HOUR( 5) }, /* Eastern Daylight */ |
| 297 |
{ "cst", tZONE, HOUR( 6) }, /* Central Standard */ |
| 298 |
{ "cdt", tDAYZONE, HOUR( 6) }, /* Central Daylight */ |
| 299 |
{ "mst", tZONE, HOUR( 7) }, /* Mountain Standard */ |
| 300 |
{ "mdt", tDAYZONE, HOUR( 7) }, /* Mountain Daylight */ |
| 301 |
{ "pst", tZONE, HOUR( 8) }, /* Pacific Standard */ |
| 302 |
{ "pdt", tDAYZONE, HOUR( 8) }, /* Pacific Daylight */ |
| 303 |
{ "yst", tZONE, HOUR( 9) }, /* Yukon Standard */ |
| 304 |
{ "ydt", tDAYZONE, HOUR( 9) }, /* Yukon Daylight */ |
| 305 |
{ "hst", tZONE, HOUR(10) }, /* Hawaii Standard */ |
| 306 |
{ "hdt", tDAYZONE, HOUR(10) }, /* Hawaii Daylight */ |
| 307 |
{ "cat", tZONE, HOUR(10) }, /* Central Alaska */ |
| 308 |
{ "ahst", tZONE, HOUR(10) }, /* Alaska-Hawaii Standard */ |
| 309 |
{ "nt", tZONE, HOUR(11) }, /* Nome */ |
| 310 |
{ "idlw", tZONE, HOUR(12) }, /* International Date Line West */ |
| 311 |
{ "cet", tZONE, -HOUR( 1) }, /* Central European */ |
| 312 |
{ "cest", tDAYZONE, -HOUR( 1) }, /* Central European Summer */ |
| 313 |
{ "met", tZONE, -HOUR( 1) }, /* Middle European */ |
| 314 |
{ "mewt", tZONE, -HOUR( 1) }, /* Middle European Winter */ |
| 315 |
{ "mest", tDAYZONE, -HOUR( 1) }, /* Middle European Summer */ |
| 316 |
{ "swt", tZONE, -HOUR( 1) }, /* Swedish Winter */ |
| 317 |
{ "sst", tDAYZONE, -HOUR( 1) }, /* Swedish Summer */ |
| 318 |
{ "fwt", tZONE, -HOUR( 1) }, /* French Winter */ |
| 319 |
{ "fst", tDAYZONE, -HOUR( 1) }, /* French Summer */ |
| 320 |
{ "eet", tZONE, -HOUR( 2) }, /* Eastern Europe, USSR Zone 1 */ |
| 321 |
{ "bt", tZONE, -HOUR( 3) }, /* Baghdad, USSR Zone 2 */ |
| 322 |
{ "it", tZONE, -HOUR( 7/2) }, /* Iran */ |
| 323 |
{ "zp4", tZONE, -HOUR( 4) }, /* USSR Zone 3 */ |
| 324 |
{ "zp5", tZONE, -HOUR( 5) }, /* USSR Zone 4 */ |
| 325 |
{ "ist", tZONE, -HOUR(11/2) }, /* Indian Standard */ |
| 326 |
{ "zp6", tZONE, -HOUR( 6) }, /* USSR Zone 5 */ |
| 327 |
#if 0 |
| 328 |
/* For completeness. NST is also Newfoundland Stanard, nad SST is |
| 329 |
* also Swedish Summer. */ |
| 330 |
{ "nst", tZONE, -HOUR(13/2) }, /* North Sumatra */ |
| 331 |
{ "sst", tZONE, -HOUR( 7) }, /* South Sumatra, USSR Zone 6 */ |
| 332 |
#endif /* 0 */ |
| 333 |
{ "wast", tZONE, -HOUR( 7) }, /* West Australian Standard */ |
| 334 |
{ "wadt", tDAYZONE, -HOUR( 7) }, /* West Australian Daylight */ |
| 335 |
{ "jt", tZONE, -HOUR(15/2) }, /* Java (3pm in Cronusland!) */ |
| 336 |
{ "cct", tZONE, -HOUR( 8) }, /* China Coast, USSR Zone 7 */ |
| 337 |
{ "jst", tZONE, -HOUR( 9) }, /* Japan Standard, USSR Zone 8 */ |
| 338 |
{ "cast", tZONE, -HOUR(19/2) }, /* Central Australian Standard */ |
| 339 |
{ "cadt", tDAYZONE, -HOUR(19/2) }, /* Central Australian Daylight */ |
| 340 |
{ "east", tZONE, -HOUR(10) }, /* Eastern Australian Standard */ |
| 341 |
{ "eadt", tDAYZONE, -HOUR(10) }, /* Eastern Australian Daylight */ |
| 342 |
{ "gst", tZONE, -HOUR(10) }, /* Guam Standard, USSR Zone 9 */ |
| 343 |
{ "nzt", tZONE, -HOUR(12) }, /* New Zealand */ |
| 344 |
{ "nzst", tZONE, -HOUR(12) }, /* New Zealand Standard */ |
| 345 |
{ "nzdt", tDAYZONE, -HOUR(12) }, /* New Zealand Daylight */ |
| 346 |
{ "idle", tZONE, -HOUR(12) }, /* International Date Line East */ |
| 347 |
/* ADDED BY Marco Nijdam */ |
| 348 |
{ "dst", tDST, HOUR( 0) }, /* DST on (hour is ignored) */ |
| 349 |
/* End ADDED */ |
| 350 |
{ NULL } |
| 351 |
}; |
| 352 |
|
| 353 |
/* |
| 354 |
* Military timezone table. |
| 355 |
*/ |
| 356 |
static TABLE MilitaryTable[] = { |
| 357 |
{ "a", tZONE, HOUR( 1) }, |
| 358 |
{ "b", tZONE, HOUR( 2) }, |
| 359 |
{ "c", tZONE, HOUR( 3) }, |
| 360 |
{ "d", tZONE, HOUR( 4) }, |
| 361 |
{ "e", tZONE, HOUR( 5) }, |
| 362 |
{ "f", tZONE, HOUR( 6) }, |
| 363 |
{ "g", tZONE, HOUR( 7) }, |
| 364 |
{ "h", tZONE, HOUR( 8) }, |
| 365 |
{ "i", tZONE, HOUR( 9) }, |
| 366 |
{ "k", tZONE, HOUR( 10) }, |
| 367 |
{ "l", tZONE, HOUR( 11) }, |
| 368 |
{ "m", tZONE, HOUR( 12) }, |
| 369 |
{ "n", tZONE, HOUR(- 1) }, |
| 370 |
{ "o", tZONE, HOUR(- 2) }, |
| 371 |
{ "p", tZONE, HOUR(- 3) }, |
| 372 |
{ "q", tZONE, HOUR(- 4) }, |
| 373 |
{ "r", tZONE, HOUR(- 5) }, |
| 374 |
{ "s", tZONE, HOUR(- 6) }, |
| 375 |
{ "t", tZONE, HOUR(- 7) }, |
| 376 |
{ "u", tZONE, HOUR(- 8) }, |
| 377 |
{ "v", tZONE, HOUR(- 9) }, |
| 378 |
{ "w", tZONE, HOUR(-10) }, |
| 379 |
{ "x", tZONE, HOUR(-11) }, |
| 380 |
{ "y", tZONE, HOUR(-12) }, |
| 381 |
{ "z", tZONE, HOUR( 0) }, |
| 382 |
{ NULL } |
| 383 |
}; |
| 384 |
|
| 385 |
|
| 386 |
/* |
| 387 |
* Dump error messages in the bit bucket. |
| 388 |
*/ |
| 389 |
static void |
| 390 |
TclDateerror(s) |
| 391 |
char *s; |
| 392 |
{ |
| 393 |
} |
| 394 |
|
| 395 |
|
| 396 |
static time_t |
| 397 |
ToSeconds(Hours, Minutes, Seconds, Meridian) |
| 398 |
time_t Hours; |
| 399 |
time_t Minutes; |
| 400 |
time_t Seconds; |
| 401 |
MERIDIAN Meridian; |
| 402 |
{ |
| 403 |
if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 59) |
| 404 |
return -1; |
| 405 |
switch (Meridian) { |
| 406 |
case MER24: |
| 407 |
if (Hours < 0 || Hours > 23) |
| 408 |
return -1; |
| 409 |
return (Hours * 60L + Minutes) * 60L + Seconds; |
| 410 |
case MERam: |
| 411 |
if (Hours < 1 || Hours > 12) |
| 412 |
return -1; |
| 413 |
return ((Hours % 12) * 60L + Minutes) * 60L + Seconds; |
| 414 |
case MERpm: |
| 415 |
if (Hours < 1 || Hours > 12) |
| 416 |
return -1; |
| 417 |
return (((Hours % 12) + 12) * 60L + Minutes) * 60L + Seconds; |
| 418 |
} |
| 419 |
return -1; /* Should never be reached */ |
| 420 |
} |
| 421 |
|
| 422 |
/* |
| 423 |
*----------------------------------------------------------------------------- |
| 424 |
* |
| 425 |
* Convert -- |
| 426 |
* |
| 427 |
* Convert a {month, day, year, hours, minutes, seconds, meridian, dst} |
| 428 |
* tuple into a clock seconds value. |
| 429 |
* |
| 430 |
* Results: |
| 431 |
* 0 or -1 indicating success or failure. |
| 432 |
* |
| 433 |
* Side effects: |
| 434 |
* Fills TimePtr with the computed value. |
| 435 |
* |
| 436 |
*----------------------------------------------------------------------------- |
| 437 |
*/ |
| 438 |
static int |
| 439 |
Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, DSTmode, TimePtr) |
| 440 |
time_t Month; |
| 441 |
time_t Day; |
| 442 |
time_t Year; |
| 443 |
time_t Hours; |
| 444 |
time_t Minutes; |
| 445 |
time_t Seconds; |
| 446 |
MERIDIAN Meridian; |
| 447 |
DSTMODE DSTmode; |
| 448 |
time_t *TimePtr; |
| 449 |
{ |
| 450 |
static int DaysInMonth[12] = { |
| 451 |
31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 |
| 452 |
}; |
| 453 |
time_t tod; |
| 454 |
time_t Julian; |
| 455 |
int i; |
| 456 |
|
| 457 |
/* Figure out how many days are in February for the given year. |
| 458 |
* Every year divisible by 4 is a leap year. |
| 459 |
* But, every year divisible by 100 is not a leap year. |
| 460 |
* But, every year divisible by 400 is a leap year after all. |
| 461 |
*/ |
| 462 |
DaysInMonth[1] = IsLeapYear(Year) ? 29 : 28; |
| 463 |
|
| 464 |
/* Check the inputs for validity */ |
| 465 |
if (Month < 1 || Month > 12 |
| 466 |
|| Year < START_OF_TIME || Year > END_OF_TIME |
| 467 |
|| Day < 1 || Day > DaysInMonth[(int)--Month]) |
| 468 |
return -1; |
| 469 |
|
| 470 |
/* Start computing the value. First determine the number of days |
| 471 |
* represented by the date, then multiply by the number of seconds/day. |
| 472 |
*/ |
| 473 |
for (Julian = Day - 1, i = 0; i < Month; i++) |
| 474 |
Julian += DaysInMonth[i]; |
| 475 |
if (Year >= EPOCH) { |
| 476 |
for (i = EPOCH; i < Year; i++) |
| 477 |
Julian += 365 + IsLeapYear(i); |
| 478 |
} else { |
| 479 |
for (i = Year; i < EPOCH; i++) |
| 480 |
Julian -= 365 + IsLeapYear(i); |
| 481 |
} |
| 482 |
Julian *= SECSPERDAY; |
| 483 |
|
| 484 |
/* Add the timezone offset ?? */ |
| 485 |
Julian += TclDateTimezone * 60L; |
| 486 |
|
| 487 |
/* Add the number of seconds represented by the time component */ |
| 488 |
if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0) |
| 489 |
return -1; |
| 490 |
Julian += tod; |
| 491 |
|
| 492 |
/* Perform a preliminary DST compensation ?? */ |
| 493 |
if (DSTmode == DSTon |
| 494 |
|| (DSTmode == DSTmaybe && TclpGetDate((TclpTime_t)&Julian, 0)->tm_isdst)) |
| 495 |
Julian -= 60 * 60; |
| 496 |
*TimePtr = Julian; |
| 497 |
return 0; |
| 498 |
} |
| 499 |
|
| 500 |
|
| 501 |
static time_t |
| 502 |
DSTcorrect(Start, Future) |
| 503 |
time_t Start; |
| 504 |
time_t Future; |
| 505 |
{ |
| 506 |
time_t StartDay; |
| 507 |
time_t FutureDay; |
| 508 |
StartDay = (TclpGetDate((TclpTime_t)&Start, 0)->tm_hour + 1) % 24; |
| 509 |
FutureDay = (TclpGetDate((TclpTime_t)&Future, 0)->tm_hour + 1) % 24; |
| 510 |
return (Future - Start) + (StartDay - FutureDay) * 60L * 60L; |
| 511 |
} |
| 512 |
|
| 513 |
|
| 514 |
static time_t |
| 515 |
NamedDay(Start, DayOrdinal, DayNumber) |
| 516 |
time_t Start; |
| 517 |
time_t DayOrdinal; |
| 518 |
time_t DayNumber; |
| 519 |
{ |
| 520 |
struct tm *tm; |
| 521 |
time_t now; |
| 522 |
|
| 523 |
now = Start; |
| 524 |
tm = TclpGetDate((TclpTime_t)&now, 0); |
| 525 |
now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7); |
| 526 |
now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1); |
| 527 |
return DSTcorrect(Start, now); |
| 528 |
} |
| 529 |
|
| 530 |
static time_t |
| 531 |
NamedMonth(Start, MonthOrdinal, MonthNumber) |
| 532 |
time_t Start; |
| 533 |
time_t MonthOrdinal; |
| 534 |
time_t MonthNumber; |
| 535 |
{ |
| 536 |
struct tm *tm; |
| 537 |
time_t now; |
| 538 |
int result; |
| 539 |
|
| 540 |
now = Start; |
| 541 |
tm = TclpGetDate((TclpTime_t)&now, 0); |
| 542 |
/* To compute the next n'th month, we use this alg: |
| 543 |
* add n to year value |
| 544 |
* if currentMonth < requestedMonth decrement year value by 1 (so that |
| 545 |
* doing next february from january gives us february of the current year) |
| 546 |
* set day to 1, time to 0 |
| 547 |
*/ |
| 548 |
tm->tm_year += MonthOrdinal; |
| 549 |
if (tm->tm_mon < MonthNumber - 1) { |
| 550 |
tm->tm_year--; |
| 551 |
} |
| 552 |
result = Convert(MonthNumber, (time_t) 1, tm->tm_year + TM_YEAR_BASE, |
| 553 |
(time_t) 0, (time_t) 0, (time_t) 0, MER24, DSTmaybe, &now); |
| 554 |
if (result < 0) { |
| 555 |
return 0; |
| 556 |
} |
| 557 |
return DSTcorrect(Start, now); |
| 558 |
} |
| 559 |
|
| 560 |
static int |
| 561 |
RelativeMonth(Start, RelMonth, TimePtr) |
| 562 |
time_t Start; |
| 563 |
time_t RelMonth; |
| 564 |
time_t *TimePtr; |
| 565 |
{ |
| 566 |
struct tm *tm; |
| 567 |
time_t Month; |
| 568 |
time_t Year; |
| 569 |
time_t Julian; |
| 570 |
int result; |
| 571 |
|
| 572 |
if (RelMonth == 0) { |
| 573 |
*TimePtr = 0; |
| 574 |
return 0; |
| 575 |
} |
| 576 |
tm = TclpGetDate((TclpTime_t)&Start, 0); |
| 577 |
Month = 12 * (tm->tm_year + TM_YEAR_BASE) + tm->tm_mon + RelMonth; |
| 578 |
Year = Month / 12; |
| 579 |
Month = Month % 12 + 1; |
| 580 |
result = Convert(Month, (time_t) tm->tm_mday, Year, |
| 581 |
(time_t) tm->tm_hour, (time_t) tm->tm_min, (time_t) tm->tm_sec, |
| 582 |
MER24, DSTmaybe, &Julian); |
| 583 |
/* |
| 584 |
* The following iteration takes into account the case were we jump |
| 585 |
* into a "short month". Far example, "one month from Jan 31" will |
| 586 |
* fail because there is no Feb 31. The code below will reduce the |
| 587 |
* day and try converting the date until we succed or the date equals |
| 588 |
* 28 (which always works unless the date is bad in another way). |
| 589 |
*/ |
| 590 |
|
| 591 |
while ((result != 0) && (tm->tm_mday > 28)) { |
| 592 |
tm->tm_mday--; |
| 593 |
result = Convert(Month, (time_t) tm->tm_mday, Year, |
| 594 |
(time_t) tm->tm_hour, (time_t) tm->tm_min, (time_t) tm->tm_sec, |
| 595 |
MER24, DSTmaybe, &Julian); |
| 596 |
} |
| 597 |
if (result != 0) { |
| 598 |
return -1; |
| 599 |
} |
| 600 |
*TimePtr = DSTcorrect(Start, Julian); |
| 601 |
return 0; |
| 602 |
} |
| 603 |
|
| 604 |
|
| 605 |
/* |
| 606 |
*----------------------------------------------------------------------------- |
| 607 |
* |
| 608 |
* RelativeDay -- |
| 609 |
* |
| 610 |
* Given a starting time and a number of days before or after, compute the |
| 611 |
* DST corrected difference between those dates. |
| 612 |
* |
| 613 |
* Results: |
| 614 |
* 1 or -1 indicating success or failure. |
| 615 |
* |
| 616 |
* Side effects: |
| 617 |
* Fills TimePtr with the computed value. |
| 618 |
* |
| 619 |
*----------------------------------------------------------------------------- |
| 620 |
*/ |
| 621 |
|
| 622 |
static int |
| 623 |
RelativeDay(Start, RelDay, TimePtr) |
| 624 |
time_t Start; |
| 625 |
time_t RelDay; |
| 626 |
time_t *TimePtr; |
| 627 |
{ |
| 628 |
time_t new; |
| 629 |
|
| 630 |
new = Start + (RelDay * 60 * 60 * 24); |
| 631 |
*TimePtr = DSTcorrect(Start, new); |
| 632 |
return 1; |
| 633 |
} |
| 634 |
|
| 635 |
static int |
| 636 |
LookupWord(buff) |
| 637 |
char *buff; |
| 638 |
{ |
| 639 |
register char *p; |
| 640 |
register char *q; |
| 641 |
register TABLE *tp; |
| 642 |
int i; |
| 643 |
int abbrev; |
| 644 |
|
| 645 |
/* |
| 646 |
* Make it lowercase. |
| 647 |
*/ |
| 648 |
|
| 649 |
Tcl_UtfToLower(buff); |
| 650 |
|
| 651 |
if (strcmp(buff, "am") == 0 || strcmp(buff, "a.m.") == 0) { |
| 652 |
TclDatelval.Meridian = MERam; |
| 653 |
return tMERIDIAN; |
| 654 |
} |
| 655 |
if (strcmp(buff, "pm") == 0 || strcmp(buff, "p.m.") == 0) { |
| 656 |
TclDatelval.Meridian = MERpm; |
| 657 |
return tMERIDIAN; |
| 658 |
} |
| 659 |
|
| 660 |
/* |
| 661 |
* See if we have an abbreviation for a month. |
| 662 |
*/ |
| 663 |
if (strlen(buff) == 3) { |
| 664 |
abbrev = 1; |
| 665 |
} else if (strlen(buff) == 4 && buff[3] == '.') { |
| 666 |
abbrev = 1; |
| 667 |
buff[3] = '\0'; |
| 668 |
} else { |
| 669 |
abbrev = 0; |
| 670 |
} |
| 671 |
|
| 672 |
for (tp = MonthDayTable; tp->name; tp++) { |
| 673 |
if (abbrev) { |
| 674 |
if (strncmp(buff, tp->name, 3) == 0) { |
| 675 |
TclDatelval.Number = tp->value; |
| 676 |
return tp->type; |
| 677 |
} |
| 678 |
} else if (strcmp(buff, tp->name) == 0) { |
| 679 |
TclDatelval.Number = tp->value; |
| 680 |
return tp->type; |
| 681 |
} |
| 682 |
} |
| 683 |
|
| 684 |
for (tp = TimezoneTable; tp->name; tp++) { |
| 685 |
if (strcmp(buff, tp->name) == 0) { |
| 686 |
TclDatelval.Number = tp->value; |
| 687 |
return tp->type; |
| 688 |
} |
| 689 |
} |
| 690 |
|
| 691 |
for (tp = UnitsTable; tp->name; tp++) { |
| 692 |
if (strcmp(buff, tp->name) == 0) { |
| 693 |
TclDatelval.Number = tp->value; |
| 694 |
return tp->type; |
| 695 |
} |
| 696 |
} |
| 697 |
|
| 698 |
/* |
| 699 |
* Strip off any plural and try the units table again. |
| 700 |
*/ |
| 701 |
i = strlen(buff) - 1; |
| 702 |
if (buff[i] == 's') { |
| 703 |
buff[i] = '\0'; |
| 704 |
for (tp = UnitsTable; tp->name; tp++) { |
| 705 |
if (strcmp(buff, tp->name) == 0) { |
| 706 |
TclDatelval.Number = tp->value; |
| 707 |
return tp->type; |
| 708 |
} |
| 709 |
} |
| 710 |
} |
| 711 |
|
| 712 |
for (tp = OtherTable; tp->name; tp++) { |
| 713 |
if (strcmp(buff, tp->name) == 0) { |
| 714 |
TclDatelval.Number = tp->value; |
| 715 |
return tp->type; |
| 716 |
} |
| 717 |
} |
| 718 |
|
| 719 |
/* |
| 720 |
* Military timezones. |
| 721 |
*/ |
| 722 |
if (buff[1] == '\0' && !(*buff & 0x80) |
| 723 |
&& isalpha(UCHAR(*buff))) { /* INTL: ISO only */ |
| 724 |
for (tp = MilitaryTable; tp->name; tp++) { |
| 725 |
if (strcmp(buff, tp->name) == 0) { |
| 726 |
TclDatelval.Number = tp->value; |
| 727 |
return tp->type; |
| 728 |
} |
| 729 |
} |
| 730 |
} |
| 731 |
|
| 732 |
/* |
| 733 |
* Drop out any periods and try the timezone table again. |
| 734 |
*/ |
| 735 |
for (i = 0, p = q = buff; *q; q++) |
| 736 |
if (*q != '.') { |
| 737 |
*p++ = *q; |
| 738 |
} else { |
| 739 |
i++; |
| 740 |
} |
| 741 |
*p = '\0'; |
| 742 |
if (i) { |
| 743 |
for (tp = TimezoneTable; tp->name; tp++) { |
| 744 |
if (strcmp(buff, tp->name) == 0) { |
| 745 |
TclDatelval.Number = tp->value; |
| 746 |
return tp->type; |
| 747 |
} |
| 748 |
} |
| 749 |
} |
| 750 |
|
| 751 |
return tID; |
| 752 |
} |
| 753 |
|
| 754 |
|
| 755 |
static int |
| 756 |
TclDatelex() |
| 757 |
{ |
| 758 |
register char c; |
| 759 |
register char *p; |
| 760 |
char buff[20]; |
| 761 |
int Count; |
| 762 |
|
| 763 |
for ( ; ; ) { |
| 764 |
while (isspace(UCHAR(*TclDateInput))) { |
| 765 |
TclDateInput++; |
| 766 |
} |
| 767 |
|
| 768 |
if (isdigit(UCHAR(c = *TclDateInput))) { /* INTL: digit */ |
| 769 |
/* convert the string into a number; count the number of digits */ |
| 770 |
Count = 0; |
| 771 |
for (TclDatelval.Number = 0; |
| 772 |
isdigit(UCHAR(c = *TclDateInput++)); ) { /* INTL: digit */ |
| 773 |
TclDatelval.Number = 10 * TclDatelval.Number + c - '0'; |
| 774 |
Count++; |
| 775 |
} |
| 776 |
TclDateInput--; |
| 777 |
/* A number with 6 or more digits is considered an ISO 8601 base */ |
| 778 |
if (Count >= 6) { |
| 779 |
return tISOBASE; |
| 780 |
} else { |
| 781 |
return tUNUMBER; |
| 782 |
} |
| 783 |
} |
| 784 |
if (!(c & 0x80) && isalpha(UCHAR(c))) { /* INTL: ISO only. */ |
| 785 |
for (p = buff; isalpha(UCHAR(c = *TclDateInput++)) /* INTL: ISO only. */ |
| 786 |
|| c == '.'; ) { |
| 787 |
if (p < &buff[sizeof buff - 1]) { |
| 788 |
*p++ = c; |
| 789 |
} |
| 790 |
} |
| 791 |
*p = '\0'; |
| 792 |
TclDateInput--; |
| 793 |
return LookupWord(buff); |
| 794 |
} |
| 795 |
if (c != '(') { |
| 796 |
return *TclDateInput++; |
| 797 |
} |
| 798 |
Count = 0; |
| 799 |
do { |
| 800 |
c = *TclDateInput++; |
| 801 |
if (c == '\0') { |
| 802 |
return c; |
| 803 |
} else if (c == '(') { |
| 804 |
Count++; |
| 805 |
} else if (c == ')') { |
| 806 |
Count--; |
| 807 |
} |
| 808 |
} while (Count > 0); |
| 809 |
} |
| 810 |
} |
| 811 |
|
| 812 |
/* |
| 813 |
* Specify zone is of -50000 to force GMT. (This allows BST to work). |
| 814 |
*/ |
| 815 |
|
| 816 |
int |
| 817 |
TclGetDate(p, now, zone, timePtr) |
| 818 |
char *p; |
| 819 |
unsigned long now; |
| 820 |
long zone; |
| 821 |
unsigned long *timePtr; |
| 822 |
{ |
| 823 |
struct tm *tm; |
| 824 |
time_t Start; |
| 825 |
time_t Time; |
| 826 |
time_t tod; |
| 827 |
int thisyear; |
| 828 |
|
| 829 |
TclDateInput = p; |
| 830 |
/* now has to be cast to a time_t for 64bit compliance */ |
| 831 |
Start = now; |
| 832 |
tm = TclpGetDate((TclpTime_t) &Start, 0); |
| 833 |
thisyear = tm->tm_year + TM_YEAR_BASE; |
| 834 |
TclDateYear = thisyear; |
| 835 |
TclDateMonth = tm->tm_mon + 1; |
| 836 |
TclDateDay = tm->tm_mday; |
| 837 |
TclDateTimezone = zone; |
| 838 |
if (zone == -50000) { |
| 839 |
TclDateDSTmode = DSToff; /* assume GMT */ |
| 840 |
TclDateTimezone = 0; |
| 841 |
} else { |
| 842 |
TclDateDSTmode = DSTmaybe; |
| 843 |
} |
| 844 |
TclDateHour = 0; |
| 845 |
TclDateMinutes = 0; |
| 846 |
TclDateSeconds = 0; |
| 847 |
TclDateMeridian = MER24; |
| 848 |
TclDateRelSeconds = 0; |
| 849 |
TclDateRelMonth = 0; |
| 850 |
TclDateRelDay = 0; |
| 851 |
TclDateRelPointer = NULL; |
| 852 |
|
| 853 |
TclDateHaveDate = 0; |
| 854 |
TclDateHaveDay = 0; |
| 855 |
TclDateHaveOrdinalMonth = 0; |
| 856 |
TclDateHaveRel = 0; |
| 857 |
TclDateHaveTime = 0; |
| 858 |
TclDateHaveZone = 0; |
| 859 |
|
| 860 |
if (TclDateparse() || TclDateHaveTime > 1 || TclDateHaveZone > 1 || TclDateHaveDate > 1 || |
| 861 |
TclDateHaveDay > 1 || TclDateHaveOrdinalMonth > 1) { |
| 862 |
return -1; |
| 863 |
} |
| 864 |
|
| 865 |
if (TclDateHaveDate || TclDateHaveTime || TclDateHaveDay) { |
| 866 |
if (TclDateYear < 0) { |
| 867 |
TclDateYear = -TclDateYear; |
| 868 |
} |
| 869 |
/* |
| 870 |
* The following line handles years that are specified using |
| 871 |
* only two digits. The line of code below implements a policy |
| 872 |
* defined by the X/Open workgroup on the millinium rollover. |
| 873 |
* Note: some of those dates may not actually be valid on some |
| 874 |
* platforms. The POSIX standard startes that the dates 70-99 |
| 875 |
* shall refer to 1970-1999 and 00-38 shall refer to 2000-2038. |
| 876 |
* This later definition should work on all platforms. |
| 877 |
*/ |
| 878 |
|
| 879 |
if (TclDateYear < 100) { |
| 880 |
if (TclDateYear >= 69) { |
| 881 |
TclDateYear += 1900; |
| 882 |
} else { |
| 883 |
TclDateYear += 2000; |
| 884 |
} |
| 885 |
} |
| 886 |
if (Convert(TclDateMonth, TclDateDay, TclDateYear, TclDateHour, TclDateMinutes, TclDateSeconds, |
| 887 |
TclDateMeridian, TclDateDSTmode, &Start) < 0) { |
| 888 |
return -1; |
| 889 |
} |
| 890 |
} else { |
| 891 |
Start = now; |
| 892 |
if (!TclDateHaveRel) { |
| 893 |
Start -= ((tm->tm_hour * 60L * 60L) + |
| 894 |
tm->tm_min * 60L) + tm->tm_sec; |
| 895 |
} |
| 896 |
} |
| 897 |
|
| 898 |
Start += TclDateRelSeconds; |
| 899 |
if (RelativeMonth(Start, TclDateRelMonth, &Time) < 0) { |
| 900 |
return -1; |
| 901 |
} |
| 902 |
Start += Time; |
| 903 |
|
| 904 |
if (RelativeDay(Start, TclDateRelDay, &Time) < 0) { |
| 905 |
return -1; |
| 906 |
} |
| 907 |
Start += Time; |
| 908 |
|
| 909 |
if (TclDateHaveDay && !TclDateHaveDate) { |
| 910 |
tod = NamedDay(Start, TclDateDayOrdinal, TclDateDayNumber); |
| 911 |
Start += tod; |
| 912 |
} |
| 913 |
|
| 914 |
if (TclDateHaveOrdinalMonth) { |
| 915 |
tod = NamedMonth(Start, TclDateMonthOrdinal, TclDateMonth); |
| 916 |
Start += tod; |
| 917 |
} |
| 918 |
|
| 919 |
*timePtr = Start; |
| 920 |
return 0; |
| 921 |
} |
| 922 |
static CONST TclDatetabelem TclDateexca[] ={ |
| 923 |
-1, 1, |
| 924 |
0, -1, |
| 925 |
-2, 0, |
| 926 |
}; |
| 927 |
# define YYNPROD 56 |
| 928 |
# define YYLAST 261 |
| 929 |
static CONST TclDatetabelem TclDateact[]={ |
| 930 |
|
| 931 |
24, 39, 23, 35, 55, 83, 40, 27, 54, 25, |
| 932 |
36, 41, 59, 37, 57, 27, 26, 25, 27, 32, |
| 933 |
25, 31, 62, 50, 26, 82, 78, 26, 51, 77, |
| 934 |
76, 75, 29, 74, 73, 72, 70, 52, 49, 48, |
| 935 |
47, 44, 38, 63, 80, 46, 45, 81, 69, 21, |
| 936 |
66, 61, 68, 67, 56, 43, 64, 11, 10, 9, |
| 937 |
8, 7, 34, 6, 5, 4, 3, 2, 42, 1, |
| 938 |
20, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 939 |
0, 53, 0, 0, 0, 0, 0, 0, 0, 0, |
| 940 |
0, 58, 0, 0, 60, 0, 0, 79, 0, 0, |
| 941 |
0, 0, 0, 0, 0, 0, 0, 71, 0, 0, |
| 942 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 943 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 944 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 945 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 946 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 947 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 948 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 949 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 950 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 951 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 952 |
0, 0, 0, 0, 0, 19, 14, 0, 0, 0, |
| 953 |
16, 27, 22, 25, 0, 12, 13, 17, 0, 15, |
| 954 |
26, 18, 30, 0, 0, 28, 0, 33, 27, 0, |
| 955 |
25, 0, 0, 0, 0, 0, 0, 26, 0, 0, |
| 956 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 65, |
| 957 |
65 }; |
| 958 |
static CONST TclDatetabelem TclDatepact[]={ |
| 959 |
|
| 960 |
-10000000, -43,-10000000,-10000000,-10000000,-10000000,-10000000,-10000000,-10000000,-10000000, |
| 961 |
-10000000,-10000000, -26, -268,-10000000, -259, -226,-10000000, -257, 11, |
| 962 |
-227, -212, -228,-10000000,-10000000,-10000000,-10000000,-10000000,-10000000, -229, |
| 963 |
-10000000, -230, -240, -231, -212,-10000000, -264,-10000000, 10,-10000000, |
| 964 |
-10000000, -249,-10000000,-10000000, -246,-10000000,-10000000, 5, -2, 3, |
| 965 |
8, 7,-10000000,-10000000,-10000000, -10, -232,-10000000,-10000000,-10000000, |
| 966 |
-212, -233,-10000000, -234, -235,-10000000, -237, -238, -239, -242, |
| 967 |
-10000000,-10000000,-10000000,-10000000, -1,-10000000,-10000000,-10000000, -11,-10000000, |
| 968 |
-243, -263,-10000000,-10000000 }; |
| 969 |
static CONST TclDatetabelem TclDatepgo[]={ |
| 970 |
|
| 971 |
0, 49, 46, 70, 22, 69, 67, 66, 65, 64, |
| 972 |
63, 61, 60, 59, 58, 57 }; |
| 973 |
static CONST TclDatetabelem TclDater1[]={ |
| 974 |
|
| 975 |
0, 5, 5, 6, 6, 6, 6, 6, 6, 6, |
| 976 |
6, 6, 7, 7, 7, 7, 7, 8, 8, 8, |
| 977 |
11, 11, 11, 11, 11, 9, 9, 9, 9, 9, |
| 978 |
9, 9, 9, 9, 9, 10, 10, 13, 13, 13, |
| 979 |
14, 12, 12, 12, 12, 12, 3, 3, 1, 1, |
| 980 |
1, 2, 2, 15, 4, 4 }; |
| 981 |
static CONST TclDatetabelem TclDater2[]={ |
| 982 |
|
| 983 |
0, 0, 4, 3, 3, 3, 3, 3, 3, 3, |
| 984 |
3, 2, 5, 9, 11, 13, 15, 5, 3, 3, |
| 985 |
3, 5, 5, 7, 5, 7, 11, 3, 11, 11, |
| 986 |
5, 9, 5, 3, 7, 5, 7, 7, 15, 5, |
| 987 |
9, 9, 7, 5, 7, 5, 3, 3, 3, 3, |
| 988 |
3, 3, 1, 3, 1, 3 }; |
| 989 |
static CONST TclDatetabelem TclDatechk[]={ |
| 990 |
|
| 991 |
-10000000, -5, -6, -7, -8, -9, -10, -11, -12, -13, |
| 992 |
-14, -15, 268, 269, 259, 272, 263, 270, 274, 258, |
| 993 |
-3, -1, 265, 45, 43, 266, 273, 264, 261, 58, |
| 994 |
258, 47, 45, 263, -1, 271, 269, 272, 268, 258, |
| 995 |
263, 268, -1, 44, 268, -2, 257, 268, 268, 268, |
| 996 |
263, 268, 268, -2, 272, 268, 44, 263, -1, 258, |
| 997 |
-1, 46, -4, 45, 58, 261, 47, 45, 45, 58, |
| 998 |
268, -2, 268, 268, 268, 268, 268, 268, 268, -4, |
| 999 |
45, 58, 268, 268 }; |
| 1000 |
static CONST TclDatetabelem TclDatedef[]={ |
| 1001 |
|
| 1002 |
1, -2, 2, 3, 4, 5, 6, 7, 8, 9, |
| 1003 |
10, 11, 53, 18, 19, 27, 0, 33, 0, 20, |
| 1004 |
0, 52, 0, 46, 47, 48, 49, 50, 12, 0, |
| 1005 |
22, 0, 0, 32, 52, 17, 0, 39, 30, 24, |
| 1006 |
35, 0, 43, 21, 0, 45, 51, 0, 54, 25, |
| 1007 |
0, 0, 34, 42, 37, 0, 0, 36, 44, 23, |
| 1008 |
52, 0, 13, 0, 0, 55, 0, 0, 0, 0, |
| 1009 |
31, 41, 40, 14, 54, 26, 28, 29, 0, 15, |
| 1010 |
0, 0, 16, 38 }; |
| 1011 |
typedef struct |
| 1012 |
#ifdef __cplusplus |
| 1013 |
TclDatetoktype |
| 1014 |
#endif |
| 1015 |
{ char *t_name; int t_val; } TclDatetoktype; |
| 1016 |
#ifndef YYDEBUG |
| 1017 |
# define YYDEBUG 0 /* don't allow debugging */ |
| 1018 |
#endif |
| 1019 |
|
| 1020 |
#if YYDEBUG |
| 1021 |
|
| 1022 |
TclDatetoktype TclDatetoks[] = |
| 1023 |
{ |
| 1024 |
"tAGO", 257, |
| 1025 |
"tDAY", 258, |
| 1026 |
"tDAYZONE", 259, |
| 1027 |
"tID", 260, |
| 1028 |
"tMERIDIAN", 261, |
| 1029 |
"tMINUTE_UNIT", 262, |
| 1030 |
"tMONTH", 263, |
| 1031 |
"tMONTH_UNIT", 264, |
| 1032 |
"tSTARDATE", 265, |
| 1033 |
"tSEC_UNIT", 266, |
| 1034 |
"tSNUMBER", 267, |
| 1035 |
"tUNUMBER", 268, |
| 1036 |
"tZONE", 269, |
| 1037 |
"tEPOCH", 270, |
| 1038 |
"tDST", 271, |
| 1039 |
"tISOBASE", 272, |
| 1040 |
"tDAY_UNIT", 273, |
| 1041 |
"tNEXT", 274, |
| 1042 |
"-unknown-", -1 /* ends search */ |
| 1043 |
}; |
| 1044 |
|
| 1045 |
char * TclDatereds[] = |
| 1046 |
{ |
| 1047 |
"-no such reduction-", |
| 1048 |
"spec : /* empty */", |
| 1049 |
"spec : spec item", |
| 1050 |
"item : time", |
| 1051 |
"item : zone", |
| 1052 |
"item : date", |
| 1053 |
"item : ordMonth", |
| 1054 |
"item : day", |
| 1055 |
"item : relspec", |
| 1056 |
"item : iso", |
| 1057 |
"item : trek", |
| 1058 |
"item : number", |
| 1059 |
"time : tUNUMBER tMERIDIAN", |
| 1060 |
"time : tUNUMBER ':' tUNUMBER o_merid", |
| 1061 |
"time : tUNUMBER ':' tUNUMBER '-' tUNUMBER", |
| 1062 |
"time : tUNUMBER ':' tUNUMBER ':' tUNUMBER o_merid", |
| 1063 |
"time : tUNUMBER ':' tUNUMBER ':' tUNUMBER '-' tUNUMBER", |
| 1064 |
"zone : tZONE tDST", |
| 1065 |
"zone : tZONE", |
| 1066 |
"zone : tDAYZONE", |
| 1067 |
"day : tDAY", |
| 1068 |
"day : tDAY ','", |
| 1069 |
"day : tUNUMBER tDAY", |
| 1070 |
"day : sign tUNUMBER tDAY", |
| 1071 |
"day : tNEXT tDAY", |
| 1072 |
"date : tUNUMBER '/' tUNUMBER", |
| 1073 |
"date : tUNUMBER '/' tUNUMBER '/' tUNUMBER", |
| 1074 |
"date : tISOBASE", |
| 1075 |
"date : tUNUMBER '-' tMONTH '-' tUNUMBER", |
| 1076 |
"date : tUNUMBER '-' tUNUMBER '-' tUNUMBER", |
| 1077 |
"date : tMONTH tUNUMBER", |
| 1078 |
"date : tMONTH tUNUMBER ',' tUNUMBER", |
| 1079 |
"date : tUNUMBER tMONTH", |
| 1080 |
"date : tEPOCH", |
| 1081 |
"date : tUNUMBER tMONTH tUNUMBER", |
| 1082 |
"ordMonth : tNEXT tMONTH", |
| 1083 |
"ordMonth : tNEXT tUNUMBER tMONTH", |
| 1084 |
"iso : tISOBASE tZONE tISOBASE", |
| 1085 |
"iso : tISOBASE tZONE tUNUMBER ':' tUNUMBER ':' tUNUMBER", |
| 1086 |
"iso : tISOBASE tISOBASE", |
| 1087 |
"trek : tSTARDATE tUNUMBER '.' tUNUMBER", |
| 1088 |
"relspec : sign tUNUMBER unit ago", |
| 1089 |
"relspec : tUNUMBER unit ago", |
| 1090 |
"relspec : tNEXT unit", |
| 1091 |
"relspec : tNEXT tUNUMBER unit", |
| 1092 |
"relspec : unit ago", |
| 1093 |
"sign : '-'", |
| 1094 |
"sign : '+'", |
| 1095 |
"unit : tSEC_UNIT", |
| 1096 |
"unit : tDAY_UNIT", |
| 1097 |
"unit : tMONTH_UNIT", |
| 1098 |
"ago : tAGO", |
| 1099 |
"ago : /* empty */", |
| 1100 |
"number : tUNUMBER", |
| 1101 |
"o_merid : /* empty */", |
| 1102 |
"o_merid : tMERIDIAN", |
| 1103 |
}; |
| 1104 |
#endif /* YYDEBUG */ |
| 1105 |
/* |
| 1106 |
* Copyright (c) 1993 by Sun Microsystems, Inc. |
| 1107 |
*/ |
| 1108 |
|
| 1109 |
|
| 1110 |
/* |
| 1111 |
** Skeleton parser driver for yacc output |
| 1112 |
*/ |
| 1113 |
|
| 1114 |
/* |
| 1115 |
** yacc user known macros and defines |
| 1116 |
*/ |
| 1117 |
#define YYERROR goto TclDateerrlab |
| 1118 |
#define YYACCEPT return(0) |
| 1119 |
#define YYABORT return(1) |
| 1120 |
#define YYBACKUP( newtoken, newvalue )\ |
| 1121 |
{\ |
| 1122 |
if ( TclDatechar >= 0 || ( TclDater2[ TclDatetmp ] >> 1 ) != 1 )\ |
| 1123 |
{\ |
| 1124 |
TclDateerror( "syntax error - cannot backup" );\ |
| 1125 |
goto TclDateerrlab;\ |
| 1126 |
}\ |
| 1127 |
TclDatechar = newtoken;\ |
| 1128 |
TclDatestate = *TclDateps;\ |
| 1129 |
TclDatelval = newvalue;\ |
| 1130 |
goto TclDatenewstate;\ |
| 1131 |
} |
| 1132 |
#define YYRECOVERING() (!!TclDateerrflag) |
| 1133 |
#define YYNEW(type) malloc(sizeof(type) * TclDatenewmax) |
| 1134 |
#define YYCOPY(to, from, type) \ |
| 1135 |
(type *) memcpy(to, (char *) from, TclDatemaxdepth * sizeof (type)) |
| 1136 |
#define YYENLARGE( from, type) \ |
| 1137 |
(type *) realloc((char *) from, TclDatenewmax * sizeof(type)) |
| 1138 |
#ifndef YYDEBUG |
| 1139 |
# define YYDEBUG 1 /* make debugging available */ |
| 1140 |
#endif |
| 1141 |
|
| 1142 |
/* |
| 1143 |
** user known globals |
| 1144 |
*/ |
| 1145 |
int TclDatedebug; /* set to 1 to get debugging */ |
| 1146 |
|
| 1147 |
/* |
| 1148 |
** driver internal defines |
| 1149 |
*/ |
| 1150 |
#define YYFLAG (-10000000) |
| 1151 |
|
| 1152 |
/* |
| 1153 |
** global variables used by the parser |
| 1154 |
*/ |
| 1155 |
YYSTYPE *TclDatepv; /* top of value stack */ |
| 1156 |
int *TclDateps; /* top of state stack */ |
| 1157 |
|
| 1158 |
int TclDatestate; /* current state */ |
| 1159 |
int TclDatetmp; /* extra var (lasts between blocks) */ |
| 1160 |
|
| 1161 |
int TclDatenerrs; /* number of errors */ |
| 1162 |
int TclDateerrflag; /* error recovery flag */ |
| 1163 |
int TclDatechar; /* current input token number */ |
| 1164 |
|
| 1165 |
|
| 1166 |
|
| 1167 |
#ifdef YYNMBCHARS |
| 1168 |
#define YYLEX() TclDatecvtok(TclDatelex()) |
| 1169 |
/* |
| 1170 |
** TclDatecvtok - return a token if i is a wchar_t value that exceeds 255. |
| 1171 |
** If i<255, i itself is the token. If i>255 but the neither |
| 1172 |
** of the 30th or 31st bit is on, i is already a token. |
| 1173 |
*/ |
| 1174 |
#if defined(__STDC__) || defined(__cplusplus) |
| 1175 |
int TclDatecvtok(int i) |
| 1176 |
#else |
| 1177 |
int TclDatecvtok(i) int i; |
| 1178 |
#endif |
| 1179 |
{ |
| 1180 |
int first = 0; |
| 1181 |
int last = YYNMBCHARS - 1; |
| 1182 |
int mid; |
| 1183 |
wchar_t j; |
| 1184 |
|
| 1185 |
if(i&0x60000000){/*Must convert to a token. */ |
| 1186 |
if( TclDatembchars[last].character < i ){ |
| 1187 |
return i;/*Giving up*/ |
| 1188 |
} |
| 1189 |
while ((last>=first)&&(first>=0)) {/*Binary search loop*/ |
| 1190 |
mid = (first+last)/2; |
| 1191 |
j = TclDatembchars[mid].character; |
| 1192 |
if( j==i ){/*Found*/ |
| 1193 |
return TclDatembchars[mid].tvalue; |
| 1194 |
}else if( j<i ){ |
| 1195 |
first = mid + 1; |
| 1196 |
}else{ |
| 1197 |
last = mid -1; |
| 1198 |
} |
| 1199 |
} |
| 1200 |
/*No entry in the table.*/ |
| 1201 |
return i;/* Giving up.*/ |
| 1202 |
}else{/* i is already a token. */ |
| 1203 |
return i; |
| 1204 |
} |
| 1205 |
} |
| 1206 |
#else/*!YYNMBCHARS*/ |
| 1207 |
#define YYLEX() TclDatelex() |
| 1208 |
#endif/*!YYNMBCHARS*/ |
| 1209 |
|
| 1210 |
/* |
| 1211 |
** TclDateparse - return 0 if worked, 1 if syntax error not recovered from |
| 1212 |
*/ |
| 1213 |
#if defined(__STDC__) || defined(__cplusplus) |
| 1214 |
int TclDateparse(void) |
| 1215 |
#else |
| 1216 |
int TclDateparse() |
| 1217 |
#endif |
| 1218 |
{ |
| 1219 |
register YYSTYPE *TclDatepvt = 0; /* top of value stack for $vars */ |
| 1220 |
|
| 1221 |
#if defined(__cplusplus) || defined(lint) |
| 1222 |
/* |
| 1223 |
hacks to please C++ and lint - goto's inside |
| 1224 |
switch should never be executed |
| 1225 |
*/ |
| 1226 |
static int __yaccpar_lint_hack__ = 0; |
| 1227 |
switch (__yaccpar_lint_hack__) |
| 1228 |
{ |
| 1229 |
case 1: goto TclDateerrlab; |
| 1230 |
case 2: goto TclDatenewstate; |
| 1231 |
} |
| 1232 |
#endif |
| 1233 |
|
| 1234 |
/* |
| 1235 |
** Initialize externals - TclDateparse may be called more than once |
| 1236 |
*/ |
| 1237 |
TclDatepv = &TclDatev[-1]; |
| 1238 |
TclDateps = &TclDates[-1]; |
| 1239 |
TclDatestate = 0; |
| 1240 |
TclDatetmp = 0; |
| 1241 |
TclDatenerrs = 0; |
| 1242 |
TclDateerrflag = 0; |
| 1243 |
TclDatechar = -1; |
| 1244 |
|
| 1245 |
#if YYMAXDEPTH <= 0 |
| 1246 |
if (TclDatemaxdepth <= 0) |
| 1247 |
{ |
| 1248 |
if ((TclDatemaxdepth = YYEXPAND(0)) <= 0) |
| 1249 |
{ |
| 1250 |
TclDateerror("yacc initialization error"); |
| 1251 |
YYABORT; |
| 1252 |
} |
| 1253 |
} |
| 1254 |
#endif |
| 1255 |
|
| 1256 |
{ |
| 1257 |
register YYSTYPE *TclDate_pv; /* top of value stack */ |
| 1258 |
register int *TclDate_ps; /* top of state stack */ |
| 1259 |
register int TclDate_state; /* current state */ |
| 1260 |
register int TclDate_n; /* internal state number info */ |
| 1261 |
goto TclDatestack; /* moved from 6 lines above to here to please C++ */ |
| 1262 |
|
| 1263 |
/* |
| 1264 |
** get globals into registers. |
| 1265 |
** branch to here only if YYBACKUP was called. |
| 1266 |
*/ |
| 1267 |
TclDate_pv = TclDatepv; |
| 1268 |
TclDate_ps = TclDateps; |
| 1269 |
TclDate_state = TclDatestate; |
| 1270 |
goto TclDate_newstate; |
| 1271 |
|
| 1272 |
/* |
| 1273 |
** get globals into registers. |
| 1274 |
** either we just started, or we just finished a reduction |
| 1275 |
*/ |
| 1276 |
TclDatestack: |
| 1277 |
TclDate_pv = TclDatepv; |
| 1278 |
TclDate_ps = TclDateps; |
| 1279 |
TclDate_state = TclDatestate; |
| 1280 |
|
| 1281 |
/* |
| 1282 |
** top of for (;;) loop while no reductions done |
| 1283 |
*/ |
| 1284 |
TclDate_stack: |
| 1285 |
/* |
| 1286 |
** put a state and value onto the stacks |
| 1287 |
*/ |
| 1288 |
#if YYDEBUG |
| 1289 |
/* |
| 1290 |
** if debugging, look up token value in list of value vs. |
| 1291 |
** name pairs. 0 and negative (-1) are special values. |
| 1292 |
** Note: linear search is used since time is not a real |
| 1293 |
** consideration while debugging. |
| 1294 |
*/ |
| 1295 |
if ( TclDatedebug ) |
| 1296 |
{ |
| 1297 |
register int TclDate_i; |
| 1298 |
|
| 1299 |
printf( "State %d, token ", TclDate_state ); |
| 1300 |
if ( TclDatechar == 0 ) |
| 1301 |
printf( "end-of-file\n" ); |
| 1302 |
else if ( TclDatechar < 0 ) |
| 1303 |
printf( "-none-\n" ); |
| 1304 |
else |
| 1305 |
{ |
| 1306 |
for ( TclDate_i = 0; TclDatetoks[TclDate_i].t_val >= 0; |
| 1307 |
TclDate_i++ ) |
| 1308 |
{ |
| 1309 |
if ( TclDatetoks[TclDate_i].t_val == TclDatechar ) |
| 1310 |
break; |
| 1311 |
} |
| 1312 |
printf( "%s\n", TclDatetoks[TclDate_i].t_name ); |
| 1313 |
} |
| 1314 |
} |
| 1315 |
#endif /* YYDEBUG */ |
| 1316 |
if ( ++TclDate_ps >= &TclDates[ TclDatemaxdepth ] ) /* room on stack? */ |
| 1317 |
{ |
| 1318 |
/* |
| 1319 |
** reallocate and recover. Note that pointers |
| 1320 |
** have to be reset, or bad things will happen |
| 1321 |
*/ |
| 1322 |
long TclDateps_index = (TclDate_ps - TclDates); |
| 1323 |
long TclDatepv_index = (TclDate_pv - TclDatev); |
| 1324 |
long TclDatepvt_index = (TclDatepvt - TclDatev); |
| 1325 |
int TclDatenewmax; |
| 1326 |
#ifdef YYEXPAND |
| 1327 |
TclDatenewmax = YYEXPAND(TclDatemaxdepth); |
| 1328 |
#else |
| 1329 |
TclDatenewmax = 2 * TclDatemaxdepth; /* double table size */ |
| 1330 |
if (TclDatemaxdepth == YYMAXDEPTH) /* first time growth */ |
| 1331 |
{ |
| 1332 |
char *newTclDates = (char *)YYNEW(int); |
| 1333 |
char *newTclDatev = (char *)YYNEW(YYSTYPE); |
| 1334 |
if (newTclDates != 0 && newTclDatev != 0) |
| 1335 |
{ |
| 1336 |
TclDates = YYCOPY(newTclDates, TclDates, int); |
| 1337 |
TclDatev = YYCOPY(newTclDatev, TclDatev, YYSTYPE); |
| 1338 |
} |
| 1339 |
else |
| 1340 |
TclDatenewmax = 0; /* failed */ |
| 1341 |
} |
| 1342 |
else /* not first time */ |
| 1343 |
{ |
| 1344 |
TclDates = YYENLARGE(TclDates, int); |
| 1345 |
TclDatev = YYENLARGE(TclDatev, YYSTYPE); |
| 1346 |
if (TclDates == 0 || TclDatev == 0) |
| 1347 |
TclDatenewmax = 0; /* failed */ |
| 1348 |
} |
| 1349 |
#endif |
| 1350 |
if (TclDatenewmax <= TclDatemaxdepth) /* tables not expanded */ |
| 1351 |
{ |
| 1352 |
TclDateerror( "yacc stack overflow" ); |
| 1353 |
YYABORT; |
| 1354 |
} |
| 1355 |
TclDatemaxdepth = TclDatenewmax; |
| 1356 |
|
| 1357 |
TclDate_ps = TclDates + TclDateps_index; |
| 1358 |
TclDate_pv = TclDatev + TclDatepv_index; |
| 1359 |
TclDatepvt = TclDatev + TclDatepvt_index; |
| 1360 |
} |
| 1361 |
*TclDate_ps = TclDate_state; |
| 1362 |
*++TclDate_pv = TclDateval; |
| 1363 |
|
| 1364 |
/* |
| 1365 |
** we have a new state - find out what to do |
| 1366 |
*/ |
| 1367 |
TclDate_newstate: |
| 1368 |
if ( ( TclDate_n = TclDatepact[ TclDate_state ] ) <= YYFLAG ) |
| 1369 |
goto TclDatedefault; /* simple state */ |
| 1370 |
#if YYDEBUG |
| 1371 |
/* |
| 1372 |
** if debugging, need to mark whether new token grabbed |
| 1373 |
*/ |
| 1374 |
TclDatetmp = TclDatechar < 0; |
| 1375 |
#endif |
| 1376 |
if ( ( TclDatechar < 0 ) && ( ( TclDatechar = YYLEX() ) < 0 ) ) |
| 1377 |
TclDatechar = 0; /* reached EOF */ |
| 1378 |
#if YYDEBUG |
| 1379 |
if ( TclDatedebug && TclDatetmp ) |
| 1380 |
{ |
| 1381 |
register int TclDate_i; |
| 1382 |
|
| 1383 |
printf( "Received token " ); |
| 1384 |
if ( TclDatechar == 0 ) |
| 1385 |
printf( "end-of-file\n" ); |
| 1386 |
else if ( TclDatechar < 0 ) |
| 1387 |
printf( "-none-\n" ); |
| 1388 |
else |
| 1389 |
{ |
| 1390 |
for ( TclDate_i = 0; TclDatetoks[TclDate_i].t_val >= 0; |
| 1391 |
TclDate_i++ ) |
| 1392 |
{ |
| 1393 |
if ( TclDatetoks[TclDate_i].t_val == TclDatechar ) |
| 1394 |
break; |
| 1395 |
} |
| 1396 |
printf( "%s\n", TclDatetoks[TclDate_i].t_name ); |
| 1397 |
} |
| 1398 |
} |
| 1399 |
#endif /* YYDEBUG */ |
| 1400 |
if ( ( ( TclDate_n += TclDatechar ) < 0 ) || ( TclDate_n >= YYLAST ) ) |
| 1401 |
goto TclDatedefault; |
| 1402 |
if ( TclDatechk[ TclDate_n = TclDateact[ TclDate_n ] ] == TclDatechar ) /*valid shift*/ |
| 1403 |
{ |
| 1404 |
TclDatechar = -1; |
| 1405 |
TclDateval = TclDatelval; |
| 1406 |
TclDate_state = TclDate_n; |
| 1407 |
if ( TclDateerrflag > 0 ) |
| 1408 |
TclDateerrflag--; |
| 1409 |
goto TclDate_stack; |
| 1410 |
} |
| 1411 |
|
| 1412 |
TclDatedefault: |
| 1413 |
if ( ( TclDate_n = TclDatedef[ TclDate_state ] ) == -2 ) |
| 1414 |
{ |
| 1415 |
#if YYDEBUG |
| 1416 |
TclDatetmp = TclDatechar < 0; |
| 1417 |
#endif |
| 1418 |
if ( ( TclDatechar < 0 ) && ( ( TclDatechar = YYLEX() ) < 0 ) ) |
| 1419 |
TclDatechar = 0; /* reached EOF */ |
| 1420 |
#if YYDEBUG |
| 1421 |
if ( TclDatedebug && TclDatetmp ) |
| 1422 |
{ |
| 1423 |
register int TclDate_i; |
| 1424 |
|
| 1425 |
printf( "Received token " ); |
| 1426 |
if ( TclDatechar == 0 ) |
| 1427 |
printf( "end-of-file\n" ); |
| 1428 |
else if ( TclDatechar < 0 ) |
| 1429 |
printf( "-none-\n" ); |
| 1430 |
else |
| 1431 |
{ |
| 1432 |
for ( TclDate_i = 0; |
| 1433 |
TclDatetoks[TclDate_i].t_val >= 0; |
| 1434 |
TclDate_i++ ) |
| 1435 |
{ |
| 1436 |
if ( TclDatetoks[TclDate_i].t_val |
| 1437 |
== TclDatechar ) |
| 1438 |
{ |
| 1439 |
break; |
| 1440 |
} |
| 1441 |
} |
| 1442 |
printf( "%s\n", TclDatetoks[TclDate_i].t_name ); |
| 1443 |
} |
| 1444 |
} |
| 1445 |
#endif /* YYDEBUG */ |
| 1446 |
/* |
| 1447 |
** look through exception table |
| 1448 |
*/ |
| 1449 |
{ |
| 1450 |
register CONST int *TclDatexi = TclDateexca; |
| 1451 |
|
| 1452 |
while ( ( *TclDatexi != -1 ) || |
| 1453 |
( TclDatexi[1] != TclDate_state ) ) |
| 1454 |
{ |
| 1455 |
TclDatexi += 2; |
| 1456 |
} |
| 1457 |
while ( ( *(TclDatexi += 2) >= 0 ) && |
| 1458 |
( *TclDatexi != TclDatechar ) ) |
| 1459 |
; |
| 1460 |
if ( ( TclDate_n = TclDatexi[1] ) < 0 ) |
| 1461 |
YYACCEPT; |
| 1462 |
} |
| 1463 |
} |
| 1464 |
|
| 1465 |
/* |
| 1466 |
** check for syntax error |
| 1467 |
*/ |
| 1468 |
if ( TclDate_n == 0 ) /* have an error */ |
| 1469 |
{ |
| 1470 |
/* no worry about speed here! */ |
| 1471 |
switch ( TclDateerrflag ) |
| 1472 |
{ |
| 1473 |
case 0: /* new error */ |
| 1474 |
TclDateerror( "syntax error" ); |
| 1475 |
goto skip_init; |
| 1476 |
/* |
| 1477 |
** get globals into registers. |
| 1478 |
** we have a user generated syntax type error |
| 1479 |
*/ |
| 1480 |
TclDate_pv = TclDatepv; |
| 1481 |
TclDate_ps = TclDateps; |
| 1482 |
TclDate_state = TclDatestate; |
| 1483 |
skip_init: |
| 1484 |
TclDatenerrs++; |
| 1485 |
/* FALLTHRU */ |
| 1486 |
case 1: |
| 1487 |
case 2: /* incompletely recovered error */ |
| 1488 |
/* try again... */ |
| 1489 |
TclDateerrflag = 3; |
| 1490 |
/* |
| 1491 |
** find state where "error" is a legal |
| 1492 |
** shift action |
| 1493 |
*/ |
| 1494 |
while ( TclDate_ps >= TclDates ) |
| 1495 |
{ |
| 1496 |
TclDate_n = TclDatepact[ *TclDate_ps ] + YYERRCODE; |
| 1497 |
if ( TclDate_n >= 0 && TclDate_n < YYLAST && |
| 1498 |
TclDatechk[TclDateact[TclDate_n]] == YYERRCODE) { |
| 1499 |
/* |
| 1500 |
** simulate shift of "error" |
| 1501 |
*/ |
| 1502 |
TclDate_state = TclDateact[ TclDate_n ]; |
| 1503 |
goto TclDate_stack; |
| 1504 |
} |
| 1505 |
/* |
| 1506 |
** current state has no shift on |
| 1507 |
** "error", pop stack |
| 1508 |
*/ |
| 1509 |
#if YYDEBUG |
| 1510 |
# define _POP_ "Error recovery pops state %d, uncovers state %d\n" |
| 1511 |
if ( TclDatedebug ) |
| 1512 |
printf( _POP_, *TclDate_ps, |
| 1513 |
TclDate_ps[-1] ); |
| 1514 |
# undef _POP_ |
| 1515 |
#endif |
| 1516 |
TclDate_ps--; |
| 1517 |
TclDate_pv--; |
| 1518 |
} |
| 1519 |
/* |
| 1520 |
** there is no state on stack with "error" as |
| 1521 |
** a valid shift. give up. |
| 1522 |
*/ |
| 1523 |
YYABORT; |
| 1524 |
case 3: /* no shift yet; eat a token */ |
| 1525 |
#if YYDEBUG |
| 1526 |
/* |
| 1527 |
** if debugging, look up token in list of |
| 1528 |
** pairs. 0 and negative shouldn't occur, |
| 1529 |
** but since timing doesn't matter when |
| 1530 |
** debugging, it doesn't hurt to leave the |
| 1531 |
** tests here. |
| 1532 |
*/ |
| 1533 |
if ( TclDatedebug ) |
| 1534 |
{ |
| 1535 |
register int TclDate_i; |
| 1536 |
|
| 1537 |
printf( "Error recovery discards " ); |
| 1538 |
if ( TclDatechar == 0 ) |
| 1539 |
printf( "token end-of-file\n" ); |
| 1540 |
else if ( TclDatechar < 0 ) |
| 1541 |
printf( "token -none-\n" ); |
| 1542 |
else |
| 1543 |
{ |
| 1544 |
for ( TclDate_i = 0; |
| 1545 |
TclDatetoks[TclDate_i].t_val >= 0; |
| 1546 |
TclDate_i++ ) |
| 1547 |
{ |
| 1548 |
if ( TclDatetoks[TclDate_i].t_val |
| 1549 |
== TclDatechar ) |
| 1550 |
{ |
| 1551 |
break; |
| 1552 |
} |
| 1553 |
} |
| 1554 |
printf( "token %s\n", |
| 1555 |
TclDatetoks[TclDate_i].t_name ); |
| 1556 |
} |
| 1557 |
} |
| 1558 |
#endif /* YYDEBUG */ |
| 1559 |
if ( TclDatechar == 0 ) /* reached EOF. quit */ |
| 1560 |
YYABORT; |
| 1561 |
TclDatechar = -1; |
| 1562 |
goto TclDate_newstate; |
| 1563 |
} |
| 1564 |
}/* end if ( TclDate_n == 0 ) */ |
| 1565 |
/* |
| 1566 |
** reduction by production TclDate_n |
| 1567 |
** put stack tops, etc. so things right after switch |
| 1568 |
*/ |
| 1569 |
#if YYDEBUG |
| 1570 |
/* |
| 1571 |
** if debugging, print the string that is the user's |
| 1572 |
** specification of the reduction which is just about |
| 1573 |
** to be done. |
| 1574 |
*/ |
| 1575 |
if ( TclDatedebug ) |
| 1576 |
printf( "Reduce by (%d) \"%s\"\n", |
| 1577 |
TclDate_n, TclDatereds[ TclDate_n ] ); |
| 1578 |
#endif |
| 1579 |
TclDatetmp = TclDate_n; /* value to switch over */ |
| 1580 |
TclDatepvt = TclDate_pv; /* $vars top of value stack */ |
| 1581 |
/* |
| 1582 |
** Look in goto table for next state |
| 1583 |
** Sorry about using TclDate_state here as temporary |
| 1584 |
** register variable, but why not, if it works... |
| 1585 |
** If TclDater2[ TclDate_n ] doesn't have the low order bit |
| 1586 |
** set, then there is no action to be done for |
| 1587 |
** this reduction. So, no saving & unsaving of |
| 1588 |
** registers done. The only difference between the |
| 1589 |
** code just after the if and the body of the if is |
| 1590 |
** the goto TclDate_stack in the body. This way the test |
| 1591 |
** can be made before the choice of what to do is needed. |
| 1592 |
*/ |
| 1593 |
{ |
| 1594 |
/* length of production doubled with extra bit */ |
| 1595 |
register int TclDate_len = TclDater2[ TclDate_n ]; |
| 1596 |
|
| 1597 |
if ( !( TclDate_len & 01 ) ) |
| 1598 |
{ |
| 1599 |
TclDate_len >>= 1; |
| 1600 |
TclDateval = ( TclDate_pv -= TclDate_len )[1]; /* $$ = $1 */ |
| 1601 |
TclDate_state = TclDatepgo[ TclDate_n = TclDater1[ TclDate_n ] ] + |
| 1602 |
*( TclDate_ps -= TclDate_len ) + 1; |
| 1603 |
if ( TclDate_state >= YYLAST || |
| 1604 |
TclDatechk[ TclDate_state = |
| 1605 |
TclDateact[ TclDate_state ] ] != -TclDate_n ) |
| 1606 |
{ |
| 1607 |
TclDate_state = TclDateact[ TclDatepgo[ TclDate_n ] ]; |
| 1608 |
} |
| 1609 |
goto TclDate_stack; |
| 1610 |
} |
| 1611 |
TclDate_len >>= 1; |
| 1612 |
TclDateval = ( TclDate_pv -= TclDate_len )[1]; /* $$ = $1 */ |
| 1613 |
TclDate_state = TclDatepgo[ TclDate_n = TclDater1[ TclDate_n ] ] + |
| 1614 |
*( TclDate_ps -= TclDate_len ) + 1; |
| 1615 |
if ( TclDate_state >= YYLAST || |
| 1616 |
TclDatechk[ TclDate_state = TclDateact[ TclDate_state ] ] != -TclDate_n ) |
| 1617 |
{ |
| 1618 |
TclDate_state = TclDateact[ TclDatepgo[ TclDate_n ] ]; |
| 1619 |
} |
| 1620 |
} |
| 1621 |
/* save until reenter driver code */ |
| 1622 |
TclDatestate = TclDate_state; |
| 1623 |
TclDateps = TclDate_ps; |
| 1624 |
TclDatepv = TclDate_pv; |
| 1625 |
} |
| 1626 |
/* |
| 1627 |
** code supplied by user is placed in this switch |
| 1628 |
*/ |
| 1629 |
switch( TclDatetmp ) |
| 1630 |
{ |
| 1631 |
|
| 1632 |
case 3:{ |
| 1633 |
TclDateHaveTime++; |
| 1634 |
} break; |
| 1635 |
case 4:{ |
| 1636 |
TclDateHaveZone++; |
| 1637 |
} break; |
| 1638 |
case 5:{ |
| 1639 |
TclDateHaveDate++; |
| 1640 |
} break; |
| 1641 |
case 6:{ |
| 1642 |
TclDateHaveOrdinalMonth++; |
| 1643 |
} break; |
| 1644 |
case 7:{ |
| 1645 |
TclDateHaveDay++; |
| 1646 |
} break; |
| 1647 |
case 8:{ |
| 1648 |
TclDateHaveRel++; |
| 1649 |
} break; |
| 1650 |
case 9:{ |
| 1651 |
TclDateHaveTime++; |
| 1652 |
TclDateHaveDate++; |
| 1653 |
} break; |
| 1654 |
case 10:{ |
| 1655 |
TclDateHaveTime++; |
| 1656 |
TclDateHaveDate++; |
| 1657 |
TclDateHaveRel++; |
| 1658 |
} break; |
| 1659 |
case 12:{ |
| 1660 |
TclDateHour = TclDatepvt[-1].Number; |
| 1661 |
TclDateMinutes = 0; |
| 1662 |
TclDateSeconds = 0; |
| 1663 |
TclDateMeridian = TclDatepvt[-0].Meridian; |
| 1664 |
} break; |
| 1665 |
case 13:{ |
| 1666 |
TclDateHour = TclDatepvt[-3].Number; |
| 1667 |
TclDateMinutes = TclDatepvt[-1].Number; |
| 1668 |
TclDateSeconds = 0; |
| 1669 |
TclDateMeridian = TclDatepvt[-0].Meridian; |
| 1670 |
} break; |
| 1671 |
case 14:{ |
| 1672 |
TclDateHour = TclDatepvt[-4].Number; |
| 1673 |
TclDateMinutes = TclDatepvt[-2].Number; |
| 1674 |
TclDateMeridian = MER24; |
| 1675 |
TclDateDSTmode = DSToff; |
| 1676 |
TclDateTimezone = (TclDatepvt[-0].Number % 100 + (TclDatepvt[-0].Number / 100) * 60); |
| 1677 |
} break; |
| 1678 |
case 15:{ |
| 1679 |
TclDateHour = TclDatepvt[-5].Number; |
| 1680 |
TclDateMinutes = TclDatepvt[-3].Number; |
| 1681 |
TclDateSeconds = TclDatepvt[-1].Number; |
| 1682 |
TclDateMeridian = TclDatepvt[-0].Meridian; |
| 1683 |
} break; |
| 1684 |
case 16:{ |
| 1685 |
TclDateHour = TclDatepvt[-6].Number; |
| 1686 |
TclDateMinutes = TclDatepvt[-4].Number; |
| 1687 |
TclDateSeconds = TclDatepvt[-2].Number; |
| 1688 |
TclDateMeridian = MER24; |
| 1689 |
TclDateDSTmode = DSToff; |
| 1690 |
TclDateTimezone = (TclDatepvt[-0].Number % 100 + (TclDatepvt[-0].Number / 100) * 60); |
| 1691 |
} break; |
| 1692 |
case 17:{ |
| 1693 |
TclDateTimezone = TclDatepvt[-1].Number; |
| 1694 |
TclDateDSTmode = DSTon; |
| 1695 |
} break; |
| 1696 |
case 18:{ |
| 1697 |
TclDateTimezone = TclDatepvt[-0].Number; |
| 1698 |
TclDateDSTmode = DSToff; |
| 1699 |
} break; |
| 1700 |
case 19:{ |
| 1701 |
TclDateTimezone = TclDatepvt[-0].Number; |
| 1702 |
TclDateDSTmode = DSTon; |
| 1703 |
} break; |
| 1704 |
case 20:{ |
| 1705 |
TclDateDayOrdinal = 1; |
| 1706 |
TclDateDayNumber = TclDatepvt[-0].Number; |
| 1707 |
} break; |
| 1708 |
case 21:{ |
| 1709 |
TclDateDayOrdinal = 1; |
| 1710 |
TclDateDayNumber = TclDatepvt[-1].Number; |
| 1711 |
} break; |
| 1712 |
case 22:{ |
| 1713 |
TclDateDayOrdinal = TclDatepvt[-1].Number; |
| 1714 |
TclDateDayNumber = TclDatepvt[-0].Number; |
| 1715 |
} break; |
| 1716 |
case 23:{ |
| 1717 |
TclDateDayOrdinal = TclDatepvt[-2].Number * TclDatepvt[-1].Number; |
| 1718 |
TclDateDayNumber = TclDatepvt[-0].Number; |
| 1719 |
} break; |
| 1720 |
case 24:{ |
| 1721 |
TclDateDayOrdinal = 2; |
| 1722 |
TclDateDayNumber = TclDatepvt[-0].Number; |
| 1723 |
} break; |
| 1724 |
case 25:{ |
| 1725 |
TclDateMonth = TclDatepvt[-2].Number; |
| 1726 |
TclDateDay = TclDatepvt[-0].Number; |
| 1727 |
} break; |
| 1728 |
case 26:{ |
| 1729 |
TclDateMonth = TclDatepvt[-4].Number; |
| 1730 |
TclDateDay = TclDatepvt[-2].Number; |
| 1731 |
TclDateYear = TclDatepvt[-0].Number; |
| 1732 |
} break; |
| 1733 |
case 27:{ |
| 1734 |
TclDateYear = TclDatepvt[-0].Number / 10000; |
| 1735 |
TclDateMonth = (TclDatepvt[-0].Number % 10000)/100; |
| 1736 |
TclDateDay = TclDatepvt[-0].Number % 100; |
| 1737 |
} break; |
| 1738 |
case 28:{ |
| 1739 |
TclDateDay = TclDatepvt[-4].Number; |
| 1740 |
TclDateMonth = TclDatepvt[-2].Number; |
| 1741 |
TclDateYear = TclDatepvt[-0].Number; |
| 1742 |
} break; |
| 1743 |
case 29:{ |
| 1744 |
TclDateMonth = TclDatepvt[-2].Number; |
| 1745 |
TclDateDay = TclDatepvt[-0].Number; |
| 1746 |
TclDateYear = TclDatepvt[-4].Number; |
| 1747 |
} break; |
| 1748 |
case 30:{ |
| 1749 |
TclDateMonth = TclDatepvt[-1].Number; |
| 1750 |
TclDateDay = TclDatepvt[-0].Number; |
| 1751 |
} break; |
| 1752 |
case 31:{ |
| 1753 |
TclDateMonth = TclDatepvt[-3].Number; |
| 1754 |
TclDateDay = TclDatepvt[-2].Number; |
| 1755 |
TclDateYear = TclDatepvt[-0].Number; |
| 1756 |
} break; |
| 1757 |
case 32:{ |
| 1758 |
TclDateMonth = TclDatepvt[-0].Number; |
| 1759 |
TclDateDay = TclDatepvt[-1].Number; |
| 1760 |
} break; |
| 1761 |
case 33:{ |
| 1762 |
TclDateMonth = 1; |
| 1763 |
TclDateDay = 1; |
| 1764 |
TclDateYear = EPOCH; |
| 1765 |
} break; |
| 1766 |
case 34:{ |
| 1767 |
TclDateMonth = TclDatepvt[-1].Number; |
| 1768 |
TclDateDay = TclDatepvt[-2].Number; |
| 1769 |
TclDateYear = TclDatepvt[-0].Number; |
| 1770 |
} break; |
| 1771 |
case 35:{ |
| 1772 |
TclDateMonthOrdinal = 1; |
| 1773 |
TclDateMonth = TclDatepvt[-0].Number; |
| 1774 |
} break; |
| 1775 |
case 36:{ |
| 1776 |
TclDateMonthOrdinal = TclDatepvt[-1].Number; |
| 1777 |
TclDateMonth = TclDatepvt[-0].Number; |
| 1778 |
} break; |
| 1779 |
case 37:{ |
| 1780 |
if (TclDatepvt[-1].Number != HOUR(- 7)) YYABORT; |
| 1781 |
TclDateYear = TclDatepvt[-2].Number / 10000; |
| 1782 |
TclDateMonth = (TclDatepvt[-2].Number % 10000)/100; |
| 1783 |
TclDateDay = TclDatepvt[-2].Number % 100; |
| 1784 |
TclDateHour = TclDatepvt[-0].Number / 10000; |
| 1785 |
TclDateMinutes = (TclDatepvt[-0].Number % 10000)/100; |
| 1786 |
TclDateSeconds = TclDatepvt[-0].Number % 100; |
| 1787 |
} break; |
| 1788 |
case 38:{ |
| 1789 |
if (TclDatepvt[-5].Number != HOUR(- 7)) YYABORT; |
| 1790 |
TclDateYear = TclDatepvt[-6].Number / 10000; |
| 1791 |
TclDateMonth = (TclDatepvt[-6].Number % 10000)/100; |
| 1792 |
TclDateDay = TclDatepvt[-6].Number % 100; |
| 1793 |
TclDateHour = TclDatepvt[-4].Number; |
| 1794 |
TclDateMinutes = TclDatepvt[-2].Number; |
| 1795 |
TclDateSeconds = TclDatepvt[-0].Number; |
| 1796 |
} break; |
| 1797 |
case 39:{ |
| 1798 |
TclDateYear = TclDatepvt[-1].Number / 10000; |
| 1799 |
TclDateMonth = (TclDatepvt[-1].Number % 10000)/100; |
| 1800 |
TclDateDay = TclDatepvt[-1].Number % 100; |
| 1801 |
TclDateHour = TclDatepvt[-0].Number / 10000; |
| 1802 |
TclDateMinutes = (TclDatepvt[-0].Number % 10000)/100; |
| 1803 |
TclDateSeconds = TclDatepvt[-0].Number % 100; |
| 1804 |
} break; |
| 1805 |
case 40:{ |
| 1806 |
/* |
| 1807 |
* Offset computed year by -377 so that the returned years will |
| 1808 |
* be in a range accessible with a 32 bit clock seconds value |
| 1809 |
*/ |
| 1810 |
TclDateYear = TclDatepvt[-2].Number/1000 + 2323 - 377; |
| 1811 |
TclDateDay = 1; |
| 1812 |
TclDateMonth = 1; |
| 1813 |
TclDateRelDay += ((TclDatepvt[-2].Number%1000)*(365 + IsLeapYear(TclDateYear)))/1000; |
| 1814 |
TclDateRelSeconds += TclDatepvt[-0].Number * 144 * 60; |
| 1815 |
} break; |
| 1816 |
case 41:{ *TclDateRelPointer += TclDatepvt[-3].Number * TclDatepvt[-2].Number * TclDatepvt[-1].Number * TclDatepvt[-0].Number; } break; |
| 1817 |
case 42:{ *TclDateRelPointer += TclDatepvt[-2].Number * TclDatepvt[-1].Number * TclDatepvt[-0].Number; } break; |
| 1818 |
case 43:{ *TclDateRelPointer += TclDatepvt[-0].Number; } break; |
| 1819 |
case 44:{ *TclDateRelPointer += TclDatepvt[-1].Number * TclDatepvt[-0].Number; } break; |
| 1820 |
case 45:{ *TclDateRelPointer += TclDatepvt[-1].Number * TclDatepvt[-0].Number; } break; |
| 1821 |
case 46:{ TclDateval.Number = -1; } break; |
| 1822 |
case 47:{ TclDateval.Number = 1; } break; |
| 1823 |
case 48:{ TclDateval.Number = TclDatepvt[-0].Number; TclDateRelPointer = &TclDateRelSeconds; } break; |
| 1824 |
case 49:{ TclDateval.Number = TclDatepvt[-0].Number; TclDateRelPointer = &TclDateRelDay; } break; |
| 1825 |
case 50:{ TclDateval.Number = TclDatepvt[-0].Number; TclDateRelPointer = &TclDateRelMonth; } break; |
| 1826 |
case 51:{ TclDateval.Number = -1; } break; |
| 1827 |
case 52:{ TclDateval.Number = 1; } break; |
| 1828 |
case 53:{ |
| 1829 |
if (TclDateHaveTime && TclDateHaveDate && !TclDateHaveRel) { |
| 1830 |
TclDateYear = TclDatepvt[-0].Number; |
| 1831 |
} else { |
| 1832 |
TclDateHaveTime++; |
| 1833 |
if (TclDatepvt[-0].Number < 100) { |
| 1834 |
TclDateHour = TclDatepvt[-0].Number; |
| 1835 |
TclDateMinutes = 0; |
| 1836 |
} else { |
| 1837 |
TclDateHour = TclDatepvt[-0].Number / 100; |
| 1838 |
TclDateMinutes = TclDatepvt[-0].Number % 100; |
| 1839 |
} |
| 1840 |
TclDateSeconds = 0; |
| 1841 |
TclDateMeridian = MER24; |
| 1842 |
} |
| 1843 |
} break; |
| 1844 |
case 54:{ |
| 1845 |
TclDateval.Meridian = MER24; |
| 1846 |
} break; |
| 1847 |
case 55:{ |
| 1848 |
TclDateval.Meridian = TclDatepvt[-0].Meridian; |
| 1849 |
} break; |
| 1850 |
} |
| 1851 |
goto TclDatestack; /* reset registers in driver code */ |
| 1852 |
} |
| 1853 |
|
| 1854 |
/* End of tcldate.c */ |
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