Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 129 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/NumberConstructor.cpp b/Source/JavaScriptCore/runtime/NumberConstructor.cpp
new file mode 100644
index 0000000..5369ca0
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/NumberConstructor.cpp
@@ -0,0 +1,129 @@
+/*
+ *  Copyright (C) 1999-2000,2003 Harri Porten (porten@kde.org)
+ *  Copyright (C) 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 "NumberConstructor.h"
+
+#include "Lookup.h"
+#include "NumberObject.h"
+#include "NumberPrototype.h"
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(NumberConstructor);
+
+static JSValue numberConstructorNaNValue(ExecState*, JSValue, const Identifier&);
+static JSValue numberConstructorNegInfinity(ExecState*, JSValue, const Identifier&);
+static JSValue numberConstructorPosInfinity(ExecState*, JSValue, const Identifier&);
+static JSValue numberConstructorMaxValue(ExecState*, JSValue, const Identifier&);
+static JSValue numberConstructorMinValue(ExecState*, JSValue, const Identifier&);
+
+} // namespace JSC
+
+#include "NumberConstructor.lut.h"
+
+namespace JSC {
+
+const ClassInfo NumberConstructor::info = { "Function", &InternalFunction::info, 0, ExecState::numberTable };
+
+/* Source for NumberConstructor.lut.h
+@begin numberTable
+   NaN                   numberConstructorNaNValue       DontEnum|DontDelete|ReadOnly
+   NEGATIVE_INFINITY     numberConstructorNegInfinity    DontEnum|DontDelete|ReadOnly
+   POSITIVE_INFINITY     numberConstructorPosInfinity    DontEnum|DontDelete|ReadOnly
+   MAX_VALUE             numberConstructorMaxValue       DontEnum|DontDelete|ReadOnly
+   MIN_VALUE             numberConstructorMinValue       DontEnum|DontDelete|ReadOnly
+@end
+*/
+
+NumberConstructor::NumberConstructor(ExecState* exec, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, NumberPrototype* numberPrototype)
+    : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, numberPrototype->info.className))
+{
+    // Number.Prototype
+    putDirectWithoutTransition(exec->propertyNames().prototype, numberPrototype, DontEnum | DontDelete | ReadOnly);
+
+    // no. of arguments for constructor
+    putDirectWithoutTransition(exec->propertyNames().length, jsNumber(1), ReadOnly | DontEnum | DontDelete);
+}
+
+bool NumberConstructor::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
+{
+    return getStaticValueSlot<NumberConstructor, InternalFunction>(exec, ExecState::numberTable(exec), this, propertyName, slot);
+}
+
+bool NumberConstructor::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
+{
+    return getStaticValueDescriptor<NumberConstructor, InternalFunction>(exec, ExecState::numberTable(exec), this, propertyName, descriptor);
+}
+
+static JSValue numberConstructorNaNValue(ExecState*, JSValue, const Identifier&)
+{
+    return jsNaN();
+}
+
+static JSValue numberConstructorNegInfinity(ExecState*, JSValue, const Identifier&)
+{
+    return jsNumber(-Inf);
+}
+
+static JSValue numberConstructorPosInfinity(ExecState*, JSValue, const Identifier&)
+{
+    return jsNumber(Inf);
+}
+
+static JSValue numberConstructorMaxValue(ExecState*, JSValue, const Identifier&)
+{
+    return jsNumber(1.7976931348623157E+308);
+}
+
+static JSValue numberConstructorMinValue(ExecState*, JSValue, const Identifier&)
+{
+    return jsNumber(5E-324);
+}
+
+// ECMA 15.7.1
+static EncodedJSValue JSC_HOST_CALL constructWithNumberConstructor(ExecState* exec)
+{
+    NumberObject* object = new (exec) NumberObject(exec->lexicalGlobalObject()->numberObjectStructure());
+    double n = exec->argumentCount() ? exec->argument(0).toNumber(exec) : 0;
+    object->setInternalValue(jsNumber(n));
+    return JSValue::encode(object);
+}
+
+ConstructType NumberConstructor::getConstructData(ConstructData& constructData)
+{
+    constructData.native.function = constructWithNumberConstructor;
+    return ConstructTypeHost;
+}
+
+// ECMA 15.7.2
+static EncodedJSValue JSC_HOST_CALL callNumberConstructor(ExecState* exec)
+{
+    return JSValue::encode(jsNumber(!exec->argumentCount() ? 0 : exec->argument(0).toNumber(exec)));
+}
+
+CallType NumberConstructor::getCallData(CallData& callData)
+{
+    callData.native.function = callNumberConstructor;
+    return CallTypeHost;
+}
+
+} // namespace JSC