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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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340 | 340 |
341 // Compute number of days given a year, month, date. | 341 // Compute number of days given a year, month, date. |
342 // Note that month and date can lie outside the normal range. | 342 // Note that month and date can lie outside the normal range. |
343 // For example: | 343 // For example: |
344 // MakeDay(2007, -4, 20) --> MakeDay(2006, 8, 20) | 344 // MakeDay(2007, -4, 20) --> MakeDay(2006, 8, 20) |
345 // MakeDay(2007, -33, 1) --> MakeDay(2004, 3, 1) | 345 // MakeDay(2007, -33, 1) --> MakeDay(2004, 3, 1) |
346 // MakeDay(2007, 14, -50) --> MakeDay(2007, 8, 11) | 346 // MakeDay(2007, 14, -50) --> MakeDay(2007, 8, 11) |
347 function MakeDay(year, month, date) { | 347 function MakeDay(year, month, date) { |
348 if (!$isFinite(year) || !$isFinite(month) || !$isFinite(date)) return $NaN; | 348 if (!$isFinite(year) || !$isFinite(month) || !$isFinite(date)) return $NaN; |
349 | 349 |
350 year = TO_INTEGER(year); | 350 // Convert to integer and map -0 to 0. |
351 month = TO_INTEGER(month); | 351 year = TO_INTEGER_MAP_MINUS_ZERO(year); |
352 date = TO_INTEGER(date); | 352 month = TO_INTEGER_MAP_MINUS_ZERO(month); |
| 353 date = TO_INTEGER_MAP_MINUS_ZERO(date); |
353 | 354 |
354 if (year < kMinYear || year > kMaxYear || | 355 if (year < kMinYear || year > kMaxYear || |
355 month < kMinMonth || month > kMaxMonth || | 356 month < kMinMonth || month > kMaxMonth || |
356 date < kMinDate || date > kMaxDate) { | 357 date < kMinDate || date > kMaxDate) { |
357 return $NaN; | 358 return $NaN; |
358 } | 359 } |
359 | 360 |
360 // Now we rely on year, month and date being SMIs. | 361 // Now we rely on year, month and date being SMIs. |
361 return %DateMakeDay(year, month, date); | 362 return %DateMakeDay(year, month, date); |
362 } | 363 } |
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1128 "toGMTString", DateToGMTString, | 1129 "toGMTString", DateToGMTString, |
1129 "toUTCString", DateToUTCString, | 1130 "toUTCString", DateToUTCString, |
1130 "getYear", DateGetYear, | 1131 "getYear", DateGetYear, |
1131 "setYear", DateSetYear, | 1132 "setYear", DateSetYear, |
1132 "toISOString", DateToISOString, | 1133 "toISOString", DateToISOString, |
1133 "toJSON", DateToJSON | 1134 "toJSON", DateToJSON |
1134 )); | 1135 )); |
1135 } | 1136 } |
1136 | 1137 |
1137 SetupDate(); | 1138 SetupDate(); |
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