diff options
Diffstat (limited to 'Source/JavaScriptCore/runtime/DateConstructor.cpp')
-rw-r--r-- | Source/JavaScriptCore/runtime/DateConstructor.cpp | 171 |
1 files changed, 81 insertions, 90 deletions
diff --git a/Source/JavaScriptCore/runtime/DateConstructor.cpp b/Source/JavaScriptCore/runtime/DateConstructor.cpp index 4fcc8a34e..7cbea6407 100644 --- a/Source/JavaScriptCore/runtime/DateConstructor.cpp +++ b/Source/JavaScriptCore/runtime/DateConstructor.cpp @@ -1,6 +1,6 @@ /* * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) - * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011, 2016 Apple Inc. All rights reserved. + * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 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 @@ -29,15 +29,15 @@ #include "JSFunction.h" #include "JSGlobalObject.h" #include "JSString.h" +#include "JSStringBuilder.h" #include "ObjectPrototype.h" -#include "JSCInlines.h" +#include "Operations.h" #include <math.h> #include <time.h> #include <wtf/MathExtras.h> -#if ENABLE(WEB_REPLAY) -#include "InputCursor.h" -#include "JSReplayInputs.h" +#if OS(WINCE) +extern "C" time_t time(time_t* timer); // Provided by libce. #endif #if HAVE(SYS_TIME_H) @@ -52,8 +52,9 @@ using namespace WTF; namespace JSC { -EncodedJSValue JSC_HOST_CALL dateParse(ExecState*); -EncodedJSValue JSC_HOST_CALL dateUTC(ExecState*); +static EncodedJSValue JSC_HOST_CALL dateParse(ExecState*); +static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*); +static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState*); } @@ -61,7 +62,7 @@ EncodedJSValue JSC_HOST_CALL dateUTC(ExecState*); namespace JSC { -const ClassInfo DateConstructor::s_info = { "Function", &InternalFunction::s_info, &dateConstructorTable, CREATE_METHOD_TABLE(DateConstructor) }; +const ClassInfo DateConstructor::s_info = { "Function", &InternalFunction::s_info, 0, ExecState::dateConstructorTable, CREATE_METHOD_TABLE(DateConstructor) }; /* Source for DateConstructor.lut.h @begin dateConstructorTable @@ -71,28 +72,6 @@ const ClassInfo DateConstructor::s_info = { "Function", &InternalFunction::s_inf @end */ -#if ENABLE(WEB_REPLAY) -static double deterministicCurrentTime(JSGlobalObject* globalObject) -{ - double currentTime = jsCurrentTime(); - InputCursor& cursor = globalObject->inputCursor(); - if (cursor.isCapturing()) - cursor.appendInput<GetCurrentTime>(currentTime); - - if (cursor.isReplaying()) { - if (GetCurrentTime* input = cursor.fetchInput<GetCurrentTime>()) - currentTime = input->currentTime(); - } - return currentTime; -} -#endif - -#if ENABLE(WEB_REPLAY) -#define NORMAL_OR_DETERMINISTIC_FUNCTION(a, b) (b) -#else -#define NORMAL_OR_DETERMINISTIC_FUNCTION(a, b) (a) -#endif - STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(DateConstructor); DateConstructor::DateConstructor(VM& vm, Structure* structure) @@ -102,54 +81,18 @@ DateConstructor::DateConstructor(VM& vm, Structure* structure) void DateConstructor::finishCreation(VM& vm, DatePrototype* datePrototype) { - Base::finishCreation(vm, "Date"); + Base::finishCreation(vm, datePrototype->classInfo()->className); putDirectWithoutTransition(vm, vm.propertyNames->prototype, datePrototype, DontEnum | DontDelete | ReadOnly); putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(7), ReadOnly | DontEnum | DontDelete); } bool DateConstructor::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot &slot) { - return getStaticFunctionSlot<InternalFunction>(exec, dateConstructorTable, jsCast<DateConstructor*>(object), propertyName, slot); -} - -static double millisecondsFromComponents(ExecState* exec, const ArgList& args, WTF::TimeType timeType) -{ - double doubleArguments[] = { - args.at(0).toNumber(exec), - args.at(1).toNumber(exec), - args.at(2).toNumber(exec), - args.at(3).toNumber(exec), - args.at(4).toNumber(exec), - args.at(5).toNumber(exec), - args.at(6).toNumber(exec) - }; - - int numArgs = args.size(); - - if ((!std::isfinite(doubleArguments[0]) || (doubleArguments[0] > INT_MAX) || (doubleArguments[0] < INT_MIN)) - || (!std::isfinite(doubleArguments[1]) || (doubleArguments[1] > INT_MAX) || (doubleArguments[1] < INT_MIN)) - || (numArgs >= 3 && (!std::isfinite(doubleArguments[2]) || (doubleArguments[2] > INT_MAX) || (doubleArguments[2] < INT_MIN))) - || (numArgs >= 4 && (!std::isfinite(doubleArguments[3]) || (doubleArguments[3] > INT_MAX) || (doubleArguments[3] < INT_MIN))) - || (numArgs >= 5 && (!std::isfinite(doubleArguments[4]) || (doubleArguments[4] > INT_MAX) || (doubleArguments[4] < INT_MIN))) - || (numArgs >= 6 && (!std::isfinite(doubleArguments[5]) || (doubleArguments[5] > INT_MAX) || (doubleArguments[5] < INT_MIN))) - || (numArgs >= 7 && (!std::isfinite(doubleArguments[6]) || (doubleArguments[6] > INT_MAX) || (doubleArguments[6] < INT_MIN)))) - return PNaN; - - GregorianDateTime t; - int year = JSC::toInt32(doubleArguments[0]); - t.setYear((year >= 0 && year <= 99) ? (year + 1900) : year); - t.setMonth(JSC::toInt32(doubleArguments[1])); - t.setMonthDay((numArgs >= 3) ? JSC::toInt32(doubleArguments[2]) : 1); - t.setHour(JSC::toInt32(doubleArguments[3])); - t.setMinute(JSC::toInt32(doubleArguments[4])); - t.setSecond(JSC::toInt32(doubleArguments[5])); - t.setIsDST(-1); - double ms = (numArgs >= 7) ? doubleArguments[6] : 0; - return gregorianDateTimeToMS(exec->vm(), t, ms, timeType); + return getStaticFunctionSlot<InternalFunction>(exec, ExecState::dateConstructorTable(exec->vm()), jsCast<DateConstructor*>(object), propertyName, slot); } // ECMA 15.9.3 -JSObject* constructDate(ExecState* exec, JSGlobalObject* globalObject, JSValue newTarget, const ArgList& args) +JSObject* constructDate(ExecState* exec, JSGlobalObject* globalObject, const ArgList& args) { VM& vm = exec->vm(); int numArgs = args.size(); @@ -157,7 +100,7 @@ JSObject* constructDate(ExecState* exec, JSGlobalObject* globalObject, JSValue n double value; if (numArgs == 0) // new Date() ECMA 15.9.3.3 - value = NORMAL_OR_DETERMINISTIC_FUNCTION(jsCurrentTime(), deterministicCurrentTime(globalObject)); + value = jsCurrentTime(); else if (numArgs == 1) { if (args.at(0).inherits(DateInstance::info())) value = asDateInstance(args.at(0))->internalNumber(); @@ -168,18 +111,46 @@ JSObject* constructDate(ExecState* exec, JSGlobalObject* globalObject, JSValue n else value = primitive.toNumber(exec); } - } else - value = millisecondsFromComponents(exec, args, WTF::LocalTime); - - Structure* dateStructure = InternalFunction::createSubclassStructure(exec, newTarget, globalObject->dateStructure()); + } else { + double doubleArguments[7] = { + args.at(0).toNumber(exec), + args.at(1).toNumber(exec), + args.at(2).toNumber(exec), + args.at(3).toNumber(exec), + args.at(4).toNumber(exec), + args.at(5).toNumber(exec), + args.at(6).toNumber(exec) + }; + if (!std::isfinite(doubleArguments[0]) + || !std::isfinite(doubleArguments[1]) + || (numArgs >= 3 && !std::isfinite(doubleArguments[2])) + || (numArgs >= 4 && !std::isfinite(doubleArguments[3])) + || (numArgs >= 5 && !std::isfinite(doubleArguments[4])) + || (numArgs >= 6 && !std::isfinite(doubleArguments[5])) + || (numArgs >= 7 && !std::isfinite(doubleArguments[6]))) + value = QNaN; + else { + GregorianDateTime t; + int year = JSC::toInt32(doubleArguments[0]); + t.setYear((year >= 0 && year <= 99) ? (year + 1900) : year); + t.setMonth(JSC::toInt32(doubleArguments[1])); + t.setMonthDay((numArgs >= 3) ? JSC::toInt32(doubleArguments[2]) : 1); + t.setHour(JSC::toInt32(doubleArguments[3])); + t.setMinute(JSC::toInt32(doubleArguments[4])); + t.setSecond(JSC::toInt32(doubleArguments[5])); + t.setIsDST(-1); + double ms = (numArgs >= 7) ? doubleArguments[6] : 0; + value = gregorianDateTimeToMS(vm, t, ms, WTF::LocalTime); + } + } - return DateInstance::create(vm, dateStructure, value); + return DateInstance::create(vm, globalObject->dateStructure(), value); } static EncodedJSValue JSC_HOST_CALL constructWithDateConstructor(ExecState* exec) { ArgList args(exec); - return JSValue::encode(constructDate(exec, asInternalFunction(exec->callee())->globalObject(), exec->newTarget(), args)); + return JSValue::encode(constructDate(exec, asInternalFunction(exec->callee())->globalObject(), args)); } ConstructType DateConstructor::getConstructData(JSCell*, ConstructData& constructData) @@ -203,27 +174,47 @@ CallType DateConstructor::getCallData(JSCell*, CallData& callData) return CallTypeHost; } -EncodedJSValue JSC_HOST_CALL dateParse(ExecState* exec) +static EncodedJSValue JSC_HOST_CALL dateParse(ExecState* exec) { - String dateStr = exec->argument(0).toString(exec)->value(exec); - if (exec->hadException()) - return JSValue::encode(jsUndefined()); - return JSValue::encode(jsNumber(parseDate(exec->vm(), dateStr))); + return JSValue::encode(jsNumber(parseDate(exec->vm(), exec->argument(0).toString(exec)->value(exec)))); } -EncodedJSValue JSC_HOST_CALL dateNow(ExecState* exec) +static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*) { -#if !ENABLE(WEB_REPLAY) - UNUSED_PARAM(exec); -#endif - - return JSValue::encode(jsNumber(NORMAL_OR_DETERMINISTIC_FUNCTION(jsCurrentTime(), deterministicCurrentTime(exec->lexicalGlobalObject())))); + return JSValue::encode(jsNumber(jsCurrentTime())); } -EncodedJSValue JSC_HOST_CALL dateUTC(ExecState* exec) +static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState* exec) { - double ms = millisecondsFromComponents(exec, ArgList(exec), WTF::UTCTime); - return JSValue::encode(jsNumber(timeClip(ms))); + double doubleArguments[7] = { + exec->argument(0).toNumber(exec), + exec->argument(1).toNumber(exec), + exec->argument(2).toNumber(exec), + exec->argument(3).toNumber(exec), + exec->argument(4).toNumber(exec), + exec->argument(5).toNumber(exec), + exec->argument(6).toNumber(exec) + }; + int n = exec->argumentCount(); + if (std::isnan(doubleArguments[0]) + || std::isnan(doubleArguments[1]) + || (n >= 3 && std::isnan(doubleArguments[2])) + || (n >= 4 && std::isnan(doubleArguments[3])) + || (n >= 5 && std::isnan(doubleArguments[4])) + || (n >= 6 && std::isnan(doubleArguments[5])) + || (n >= 7 && std::isnan(doubleArguments[6]))) + return JSValue::encode(jsNaN()); + + GregorianDateTime t; + int year = JSC::toInt32(doubleArguments[0]); + t.setYear((year >= 0 && year <= 99) ? (year + 1900) : year); + t.setMonth(JSC::toInt32(doubleArguments[1])); + t.setMonthDay((n >= 3) ? JSC::toInt32(doubleArguments[2]) : 1); + t.setHour(JSC::toInt32(doubleArguments[3])); + t.setMinute(JSC::toInt32(doubleArguments[4])); + t.setSecond(JSC::toInt32(doubleArguments[5])); + double ms = (n >= 7) ? doubleArguments[6] : 0; + return JSValue::encode(jsNumber(timeClip(gregorianDateTimeToMS(exec->vm(), t, ms, WTF::UTCTime)))); } } // namespace JSC |