webkitgtk-2.4.11webkitgtk-2.4.11

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