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Diffstat (limited to 'JavaScriptCore/runtime/DateConstructor.cpp')
| -rw-r--r-- | JavaScriptCore/runtime/DateConstructor.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/JavaScriptCore/runtime/DateConstructor.cpp b/JavaScriptCore/runtime/DateConstructor.cpp new file mode 100644 index 0000000..8339ff3 --- /dev/null +++ b/JavaScriptCore/runtime/DateConstructor.cpp @@ -0,0 +1,175 @@ +/* + * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) + * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 + * USA + * + */ + +#include "config.h" +#include "DateConstructor.h" + +#include "DateInstance.h" +#include "DateMath.h" +#include "DatePrototype.h" +#include "JSGlobalObject.h" +#include "JSString.h" +#include "ObjectPrototype.h" +#include "PrototypeFunction.h" +#include <math.h> +#include <time.h> +#include <wtf/MathExtras.h> + +#if HAVE(SYS_TIME_H) +#include <sys/time.h> +#endif + +#if HAVE(SYS_TIMEB_H) +#include <sys/timeb.h> +#endif + +namespace JSC { + +// TODO: MakeTime (15.9.11.1) etc. ? + +ASSERT_CLASS_FITS_IN_CELL(DateConstructor); + +static JSValue* dateParse(ExecState*, JSObject*, JSValue*, const ArgList&); +static JSValue* dateNow(ExecState*, JSObject*, JSValue*, const ArgList&); +static JSValue* dateUTC(ExecState*, JSObject*, JSValue*, const ArgList&); + +DateConstructor::DateConstructor(ExecState* exec, PassRefPtr<StructureID> structure, StructureID* prototypeFunctionStructure, DatePrototype* datePrototype) + : InternalFunction(&exec->globalData(), structure, Identifier(exec, datePrototype->classInfo()->className)) +{ + putDirectWithoutTransition(exec->propertyNames().prototype, datePrototype, DontEnum|DontDelete|ReadOnly); + + putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, prototypeFunctionStructure, 1, exec->propertyNames().parse, dateParse), DontEnum); + putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, prototypeFunctionStructure, 7, exec->propertyNames().UTC, dateUTC), DontEnum); + putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, prototypeFunctionStructure, 0, exec->propertyNames().now, dateNow), DontEnum); + + putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 7), ReadOnly | DontEnum | DontDelete); +} + +// ECMA 15.9.3 +JSObject* constructDate(ExecState* exec, const ArgList& args) +{ + int numArgs = args.size(); + + double value; + + if (numArgs == 0) // new Date() ECMA 15.9.3.3 + value = getCurrentUTCTime(); + else if (numArgs == 1) { + if (args.at(exec, 0)->isObject(&DateInstance::info)) + value = asDateInstance(args.at(exec, 0))->internalNumber(); + else { + JSValue* primitive = args.at(exec, 0)->toPrimitive(exec); + if (primitive->isString()) + value = parseDate(primitive->getString()); + else + value = primitive->toNumber(exec); + } + } else { + if (isnan(args.at(exec, 0)->toNumber(exec)) + || isnan(args.at(exec, 1)->toNumber(exec)) + || (numArgs >= 3 && isnan(args.at(exec, 2)->toNumber(exec))) + || (numArgs >= 4 && isnan(args.at(exec, 3)->toNumber(exec))) + || (numArgs >= 5 && isnan(args.at(exec, 4)->toNumber(exec))) + || (numArgs >= 6 && isnan(args.at(exec, 5)->toNumber(exec))) + || (numArgs >= 7 && isnan(args.at(exec, 6)->toNumber(exec)))) + value = NaN; + else { + GregorianDateTime t; + int year = args.at(exec, 0)->toInt32(exec); + t.year = (year >= 0 && year <= 99) ? year : year - 1900; + t.month = args.at(exec, 1)->toInt32(exec); + t.monthDay = (numArgs >= 3) ? args.at(exec, 2)->toInt32(exec) : 1; + t.hour = args.at(exec, 3)->toInt32(exec); + t.minute = args.at(exec, 4)->toInt32(exec); + t.second = args.at(exec, 5)->toInt32(exec); + t.isDST = -1; + double ms = (numArgs >= 7) ? args.at(exec, 6)->toNumber(exec) : 0; + value = gregorianDateTimeToMS(t, ms, false); + } + } + + DateInstance* result = new (exec) DateInstance(exec->lexicalGlobalObject()->dateStructure()); + result->setInternalValue(jsNumber(exec, timeClip(value))); + return result; +} + +static JSObject* constructWithDateConstructor(ExecState* exec, JSObject*, const ArgList& args) +{ + return constructDate(exec, args); +} + +ConstructType DateConstructor::getConstructData(ConstructData& constructData) +{ + constructData.native.function = constructWithDateConstructor; + return ConstructTypeHost; +} + +// ECMA 15.9.2 +static JSValue* callDate(ExecState* exec, JSObject*, JSValue*, const ArgList&) +{ + time_t localTime = time(0); + tm localTM; + getLocalTime(&localTime, &localTM); + GregorianDateTime ts(localTM); + return jsNontrivialString(exec, formatDate(ts) + " " + formatTime(ts, false)); +} + +CallType DateConstructor::getCallData(CallData& callData) +{ + callData.native.function = callDate; + return CallTypeHost; +} + +static JSValue* dateParse(ExecState* exec, JSObject*, JSValue*, const ArgList& args) +{ + return jsNumber(exec, parseDate(args.at(exec, 0)->toString(exec))); +} + +static JSValue* dateNow(ExecState* exec, JSObject*, JSValue*, const ArgList&) +{ + return jsNumber(exec, getCurrentUTCTime()); +} + +static JSValue* dateUTC(ExecState* exec, JSObject*, JSValue*, const ArgList& args) +{ + int n = args.size(); + if (isnan(args.at(exec, 0)->toNumber(exec)) + || isnan(args.at(exec, 1)->toNumber(exec)) + || (n >= 3 && isnan(args.at(exec, 2)->toNumber(exec))) + || (n >= 4 && isnan(args.at(exec, 3)->toNumber(exec))) + || (n >= 5 && isnan(args.at(exec, 4)->toNumber(exec))) + || (n >= 6 && isnan(args.at(exec, 5)->toNumber(exec))) + || (n >= 7 && isnan(args.at(exec, 6)->toNumber(exec)))) + return jsNaN(exec); + + GregorianDateTime t; + int year = args.at(exec, 0)->toInt32(exec); + t.year = (year >= 0 && year <= 99) ? year : year - 1900; + t.month = args.at(exec, 1)->toInt32(exec); + t.monthDay = (n >= 3) ? args.at(exec, 2)->toInt32(exec) : 1; + t.hour = args.at(exec, 3)->toInt32(exec); + t.minute = args.at(exec, 4)->toInt32(exec); + t.second = args.at(exec, 5)->toInt32(exec); + double ms = (n >= 7) ? args.at(exec, 6)->toNumber(exec) : 0; + return jsNumber(exec, gregorianDateTimeToMS(t, ms, true)); +} + +} // namespace JSC |