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1/*
2 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
14957cd0 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
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4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
18 * USA
19 *
20 */
21
22#include "config.h"
23#include "DateConstructor.h"
24
ba379fdc 25#include "DateConversion.h"
9dae56ea 26#include "DateInstance.h"
9dae56ea 27#include "DatePrototype.h"
6fe7ccc8 28#include "JSDateMath.h"
ba379fdc 29#include "JSFunction.h"
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30#include "JSGlobalObject.h"
31#include "JSString.h"
32#include "ObjectPrototype.h"
81345200 33#include "JSCInlines.h"
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34#include <math.h>
35#include <time.h>
36#include <wtf/MathExtras.h>
37
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38#if ENABLE(WEB_REPLAY)
39#include "InputCursor.h"
40#include "JSReplayInputs.h"
41#endif
42
43#if OS(WINCE)
f9bf01c6 44extern "C" time_t time(time_t* timer); // Provided by libce.
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45#endif
46
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47#if HAVE(SYS_TIME_H)
48#include <sys/time.h>
49#endif
50
51#if HAVE(SYS_TIMEB_H)
52#include <sys/timeb.h>
53#endif
54
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55using namespace WTF;
56
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57namespace JSC {
58
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59static EncodedJSValue JSC_HOST_CALL dateParse(ExecState*);
60static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*);
61static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState*);
62
63}
64
65#include "DateConstructor.lut.h"
66
67namespace JSC {
68
6fe7ccc8 69const ClassInfo DateConstructor::s_info = { "Function", &InternalFunction::s_info, 0, ExecState::dateConstructorTable, CREATE_METHOD_TABLE(DateConstructor) };
9dae56ea 70
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71/* Source for DateConstructor.lut.h
72@begin dateConstructorTable
73 parse dateParse DontEnum|Function 1
74 UTC dateUTC DontEnum|Function 7
75 now dateNow DontEnum|Function 0
76@end
77*/
9dae56ea 78
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79#if ENABLE(WEB_REPLAY)
80static double deterministicCurrentTime(JSGlobalObject* globalObject)
9dae56ea 81{
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82 double currentTime = jsCurrentTime();
83 InputCursor& cursor = globalObject->inputCursor();
84 if (cursor.isCapturing())
85 cursor.appendInput<GetCurrentTime>(currentTime);
86
87 if (cursor.isReplaying()) {
88 if (GetCurrentTime* input = cursor.fetchInput<GetCurrentTime>())
89 currentTime = input->currentTime();
90 }
91 return currentTime;
6fe7ccc8 92}
81345200 93#endif
6fe7ccc8 94
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95#if ENABLE(WEB_REPLAY)
96#define NORMAL_OR_DETERMINISTIC_FUNCTION(a, b) (b)
97#else
98#define NORMAL_OR_DETERMINISTIC_FUNCTION(a, b) (a)
99#endif
100
101STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(DateConstructor);
102
103DateConstructor::DateConstructor(VM& vm, Structure* structure)
104 : InternalFunction(vm, structure)
6fe7ccc8 105{
14957cd0 106}
9dae56ea 107
81345200 108void DateConstructor::finishCreation(VM& vm, DatePrototype* datePrototype)
14957cd0 109{
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110 Base::finishCreation(vm, datePrototype->classInfo()->className);
111 putDirectWithoutTransition(vm, vm.propertyNames->prototype, datePrototype, DontEnum | DontDelete | ReadOnly);
112 putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(7), ReadOnly | DontEnum | DontDelete);
14957cd0 113}
9dae56ea 114
81345200 115bool DateConstructor::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot &slot)
14957cd0 116{
81345200 117 return getStaticFunctionSlot<InternalFunction>(exec, ExecState::dateConstructorTable(exec->vm()), jsCast<DateConstructor*>(object), propertyName, slot);
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118}
119
120// ECMA 15.9.3
14957cd0 121JSObject* constructDate(ExecState* exec, JSGlobalObject* globalObject, const ArgList& args)
9dae56ea 122{
81345200 123 VM& vm = exec->vm();
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124 int numArgs = args.size();
125
126 double value;
127
128 if (numArgs == 0) // new Date() ECMA 15.9.3.3
81345200 129 value = NORMAL_OR_DETERMINISTIC_FUNCTION(jsCurrentTime(), deterministicCurrentTime(globalObject));
9dae56ea 130 else if (numArgs == 1) {
81345200 131 if (args.at(0).inherits(DateInstance::info()))
ba379fdc 132 value = asDateInstance(args.at(0))->internalNumber();
9dae56ea 133 else {
ba379fdc 134 JSValue primitive = args.at(0).toPrimitive(exec);
9dae56ea 135 if (primitive.isString())
81345200 136 value = parseDate(vm, primitive.getString(exec));
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137 else
138 value = primitive.toNumber(exec);
139 }
140 } else {
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141 double doubleArguments[7] = {
142 args.at(0).toNumber(exec),
143 args.at(1).toNumber(exec),
144 args.at(2).toNumber(exec),
145 args.at(3).toNumber(exec),
146 args.at(4).toNumber(exec),
147 args.at(5).toNumber(exec),
148 args.at(6).toNumber(exec)
149 };
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150 if ((!std::isfinite(doubleArguments[0]) || (doubleArguments[0] > INT_MAX) || (doubleArguments[0] < INT_MIN))
151 || (!std::isfinite(doubleArguments[1]) || (doubleArguments[1] > INT_MAX) || (doubleArguments[1] < INT_MIN))
152 || (numArgs >= 3 && (!std::isfinite(doubleArguments[2]) || (doubleArguments[2] > INT_MAX) || (doubleArguments[2] < INT_MIN)))
153 || (numArgs >= 4 && (!std::isfinite(doubleArguments[3]) || (doubleArguments[3] > INT_MAX) || (doubleArguments[3] < INT_MIN)))
154 || (numArgs >= 5 && (!std::isfinite(doubleArguments[4]) || (doubleArguments[4] > INT_MAX) || (doubleArguments[4] < INT_MIN)))
155 || (numArgs >= 6 && (!std::isfinite(doubleArguments[5]) || (doubleArguments[5] > INT_MAX) || (doubleArguments[5] < INT_MIN)))
156 || (numArgs >= 7 && (!std::isfinite(doubleArguments[6]) || (doubleArguments[6] > INT_MAX) || (doubleArguments[6] < INT_MIN))))
157 value = PNaN;
9dae56ea 158 else {
f9bf01c6 159 GregorianDateTime t;
14957cd0 160 int year = JSC::toInt32(doubleArguments[0]);
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161 t.setYear((year >= 0 && year <= 99) ? (year + 1900) : year);
162 t.setMonth(JSC::toInt32(doubleArguments[1]));
163 t.setMonthDay((numArgs >= 3) ? JSC::toInt32(doubleArguments[2]) : 1);
164 t.setHour(JSC::toInt32(doubleArguments[3]));
165 t.setMinute(JSC::toInt32(doubleArguments[4]));
166 t.setSecond(JSC::toInt32(doubleArguments[5]));
167 t.setIsDST(-1);
14957cd0 168 double ms = (numArgs >= 7) ? doubleArguments[6] : 0;
81345200 169 value = gregorianDateTimeToMS(vm, t, ms, false);
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170 }
171 }
172
81345200 173 return DateInstance::create(vm, globalObject->dateStructure(), value);
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174}
175
14957cd0 176static EncodedJSValue JSC_HOST_CALL constructWithDateConstructor(ExecState* exec)
9dae56ea 177{
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178 ArgList args(exec);
179 return JSValue::encode(constructDate(exec, asInternalFunction(exec->callee())->globalObject(), args));
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180}
181
6fe7ccc8 182ConstructType DateConstructor::getConstructData(JSCell*, ConstructData& constructData)
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183{
184 constructData.native.function = constructWithDateConstructor;
185 return ConstructTypeHost;
186}
187
188// ECMA 15.9.2
14957cd0 189static EncodedJSValue JSC_HOST_CALL callDate(ExecState* exec)
9dae56ea 190{
81345200 191 VM& vm = exec->vm();
6fe7ccc8 192 GregorianDateTime ts;
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193 msToGregorianDateTime(vm, currentTimeMS(), false, ts);
194 return JSValue::encode(jsNontrivialString(&vm, formatDateTime(ts, DateTimeFormatDateAndTime, false)));
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195}
196
6fe7ccc8 197CallType DateConstructor::getCallData(JSCell*, CallData& callData)
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198{
199 callData.native.function = callDate;
200 return CallTypeHost;
201}
202
14957cd0 203static EncodedJSValue JSC_HOST_CALL dateParse(ExecState* exec)
9dae56ea 204{
81345200 205 return JSValue::encode(jsNumber(parseDate(exec->vm(), exec->argument(0).toString(exec)->value(exec))));
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206}
207
81345200 208static EncodedJSValue JSC_HOST_CALL dateNow(ExecState* exec)
9dae56ea 209{
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210#if !ENABLE(WEB_REPLAY)
211 UNUSED_PARAM(exec);
212#endif
213
214 return JSValue::encode(jsNumber(NORMAL_OR_DETERMINISTIC_FUNCTION(jsCurrentTime(), deterministicCurrentTime(exec->lexicalGlobalObject()))));
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215}
216
14957cd0 217static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState* exec)
9dae56ea 218{
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219 double doubleArguments[7] = {
220 exec->argument(0).toNumber(exec),
221 exec->argument(1).toNumber(exec),
222 exec->argument(2).toNumber(exec),
223 exec->argument(3).toNumber(exec),
224 exec->argument(4).toNumber(exec),
225 exec->argument(5).toNumber(exec),
226 exec->argument(6).toNumber(exec)
227 };
228 int n = exec->argumentCount();
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229 if ((std::isnan(doubleArguments[0]) || (doubleArguments[0] > INT_MAX) || (doubleArguments[0] < INT_MIN))
230 || (std::isnan(doubleArguments[1]) || (doubleArguments[1] > INT_MAX) || (doubleArguments[1] < INT_MIN))
231 || (n >= 3 && (std::isnan(doubleArguments[2]) || (doubleArguments[2] > INT_MAX) || (doubleArguments[2] < INT_MIN)))
232 || (n >= 4 && (std::isnan(doubleArguments[3]) || (doubleArguments[3] > INT_MAX) || (doubleArguments[3] < INT_MIN)))
233 || (n >= 5 && (std::isnan(doubleArguments[4]) || (doubleArguments[4] > INT_MAX) || (doubleArguments[4] < INT_MIN)))
234 || (n >= 6 && (std::isnan(doubleArguments[5]) || (doubleArguments[5] > INT_MAX) || (doubleArguments[5] < INT_MIN)))
235 || (n >= 7 && (std::isnan(doubleArguments[6]) || (doubleArguments[6] > INT_MAX) || (doubleArguments[6] < INT_MIN))))
14957cd0 236 return JSValue::encode(jsNaN());
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237
238 GregorianDateTime t;
14957cd0 239 int year = JSC::toInt32(doubleArguments[0]);
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240 t.setYear((year >= 0 && year <= 99) ? (year + 1900) : year);
241 t.setMonth(JSC::toInt32(doubleArguments[1]));
242 t.setMonthDay((n >= 3) ? JSC::toInt32(doubleArguments[2]) : 1);
243 t.setHour(JSC::toInt32(doubleArguments[3]));
244 t.setMinute(JSC::toInt32(doubleArguments[4]));
245 t.setSecond(JSC::toInt32(doubleArguments[5]));
14957cd0 246 double ms = (n >= 7) ? doubleArguments[6] : 0;
81345200 247 return JSValue::encode(jsNumber(timeClip(gregorianDateTimeToMS(exec->vm(), t, ms, true))));
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248}
249
250} // namespace JSC