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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 |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 | |
29 // This file relies on the fact that the following declarations have been made | 28 // This file relies on the fact that the following declarations have been made |
30 // in v8natives.js: | 29 // in v8natives.js: |
31 // var $isFinite = GlobalIsFinite; | 30 // var $isFinite = GlobalIsFinite; |
32 | 31 |
| 32 var $Date = global.Date; |
| 33 |
33 // ------------------------------------------------------------------- | 34 // ------------------------------------------------------------------- |
34 | 35 |
35 // This file contains date support implemented in JavaScript. | 36 // This file contains date support implemented in JavaScript. |
36 | 37 |
37 // Keep reference to original values of some global properties. This | |
38 // has the added benefit that the code in this file is isolated from | |
39 // changes to these properties. | |
40 var $Date = global.Date; | |
41 | |
42 // Helper function to throw error. | 38 // Helper function to throw error. |
43 function ThrowDateTypeError() { | 39 function ThrowDateTypeError() { |
44 throw new $TypeError('this is not a Date object.'); | 40 throw new $TypeError('this is not a Date object.'); |
45 } | 41 } |
46 | 42 |
47 | 43 |
48 var timezone_cache_time = $NaN; | 44 var timezone_cache_time = $NaN; |
49 var timezone_cache_timezone; | 45 var timezone_cache_timezone; |
50 | 46 |
51 function LocalTimezone(t) { | 47 function LocalTimezone(t) { |
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135 // The Date cache is used to limit the cost of parsing the same Date | 131 // The Date cache is used to limit the cost of parsing the same Date |
136 // strings over and over again. | 132 // strings over and over again. |
137 var Date_cache = { | 133 var Date_cache = { |
138 // Cached time value. | 134 // Cached time value. |
139 time: $NaN, | 135 time: $NaN, |
140 // String input for which the cached time is valid. | 136 // String input for which the cached time is valid. |
141 string: null | 137 string: null |
142 }; | 138 }; |
143 | 139 |
144 | 140 |
145 %SetCode($Date, function(year, month, date, hours, minutes, seconds, ms) { | 141 function DateConstructor(year, month, date, hours, minutes, seconds, ms) { |
146 if (!%_IsConstructCall()) { | 142 if (!%_IsConstructCall()) { |
147 // ECMA 262 - 15.9.2 | 143 // ECMA 262 - 15.9.2 |
148 return (new $Date()).toString(); | 144 return (new $Date()).toString(); |
149 } | 145 } |
150 | 146 |
151 // ECMA 262 - 15.9.3 | 147 // ECMA 262 - 15.9.3 |
152 var argc = %_ArgumentsLength(); | 148 var argc = %_ArgumentsLength(); |
153 var value; | 149 var value; |
154 if (argc == 0) { | 150 if (argc == 0) { |
155 value = %DateCurrentTime(); | 151 value = %DateCurrentTime(); |
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192 seconds = argc > 5 ? ToNumber(seconds) : 0; | 188 seconds = argc > 5 ? ToNumber(seconds) : 0; |
193 ms = argc > 6 ? ToNumber(ms) : 0; | 189 ms = argc > 6 ? ToNumber(ms) : 0; |
194 year = (!NUMBER_IS_NAN(year) && | 190 year = (!NUMBER_IS_NAN(year) && |
195 0 <= TO_INTEGER(year) && | 191 0 <= TO_INTEGER(year) && |
196 TO_INTEGER(year) <= 99) ? 1900 + TO_INTEGER(year) : year; | 192 TO_INTEGER(year) <= 99) ? 1900 + TO_INTEGER(year) : year; |
197 var day = MakeDay(year, month, date); | 193 var day = MakeDay(year, month, date); |
198 var time = MakeTime(hours, minutes, seconds, ms); | 194 var time = MakeTime(hours, minutes, seconds, ms); |
199 value = MakeDate(day, time); | 195 value = MakeDate(day, time); |
200 SET_LOCAL_DATE_VALUE(this, value); | 196 SET_LOCAL_DATE_VALUE(this, value); |
201 } | 197 } |
202 }); | 198 } |
203 | |
204 | |
205 %FunctionSetPrototype($Date, new $Date($NaN)); | |
206 | 199 |
207 | 200 |
208 var WeekDays = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']; | 201 var WeekDays = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']; |
209 var Months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', | 202 var Months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', |
210 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; | 203 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; |
211 | 204 |
212 | 205 |
213 function TwoDigitString(value) { | 206 function TwoDigitString(value) { |
214 return value < 10 ? "0" + value : "" + value; | 207 return value < 10 ? "0" + value : "" + value; |
215 } | 208 } |
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760 cache = Date_cache; | 753 cache = Date_cache; |
761 cache.time = $NaN; | 754 cache.time = $NaN; |
762 cache.string = null; | 755 cache.string = null; |
763 } | 756 } |
764 | 757 |
765 | 758 |
766 // ------------------------------------------------------------------- | 759 // ------------------------------------------------------------------- |
767 | 760 |
768 function SetUpDate() { | 761 function SetUpDate() { |
769 %CheckIsBootstrapping(); | 762 %CheckIsBootstrapping(); |
| 763 |
| 764 %SetCode($Date, DateConstructor); |
| 765 %FunctionSetPrototype($Date, new $Date($NaN)); |
| 766 |
770 // Set up non-enumerable properties of the Date object itself. | 767 // Set up non-enumerable properties of the Date object itself. |
771 InstallFunctions($Date, DONT_ENUM, $Array( | 768 InstallFunctions($Date, DONT_ENUM, $Array( |
772 "UTC", DateUTC, | 769 "UTC", DateUTC, |
773 "parse", DateParse, | 770 "parse", DateParse, |
774 "now", DateNow | 771 "now", DateNow |
775 )); | 772 )); |
776 | 773 |
777 // Set up non-enumerable constructor property of the Date prototype object. | 774 // Set up non-enumerable constructor property of the Date prototype object. |
778 %SetProperty($Date.prototype, "constructor", $Date, DONT_ENUM); | 775 %SetProperty($Date.prototype, "constructor", $Date, DONT_ENUM); |
779 | 776 |
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823 "toGMTString", DateToGMTString, | 820 "toGMTString", DateToGMTString, |
824 "toUTCString", DateToUTCString, | 821 "toUTCString", DateToUTCString, |
825 "getYear", DateGetYear, | 822 "getYear", DateGetYear, |
826 "setYear", DateSetYear, | 823 "setYear", DateSetYear, |
827 "toISOString", DateToISOString, | 824 "toISOString", DateToISOString, |
828 "toJSON", DateToJSON | 825 "toJSON", DateToJSON |
829 )); | 826 )); |
830 } | 827 } |
831 | 828 |
832 SetUpDate(); | 829 SetUpDate(); |
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