JavaScriptCore-7600.1.4.11.8.tar.gz

[apple/javascriptcore.git] / runtime / NumberConstructor.cpp

diff --git a/runtime/NumberConstructor.cpp b/runtime/NumberConstructor.cpp
index cc6c51d4ea59fae4a14122d534430438236d1c09..04c509838e40c13a716cc233e8175753767891ee 100644 (file)
--- a/runtime/NumberConstructor.cpp
+++ b/runtime/NumberConstructor.cpp
@@ -1,6 +1,6 @@
 /*
  *  Copyright (C) 1999-2000,2003 Harri Porten (porten@kde.org)
- *  Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
+ *  Copyright (C) 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
@@ -22,18 +22,18 @@
 #include "config.h"
 #include "NumberConstructor.h"
 
+#include "Lookup.h"
 #include "NumberObject.h"
 #include "NumberPrototype.h"
+#include "JSCInlines.h"
 
 namespace JSC {
 
-ASSERT_CLASS_FITS_IN_CELL(NumberConstructor);
-
-static JSValue numberConstructorNaNValue(ExecState*, const Identifier&, const PropertySlot&);
-static JSValue numberConstructorNegInfinity(ExecState*, const Identifier&, const PropertySlot&);
-static JSValue numberConstructorPosInfinity(ExecState*, const Identifier&, const PropertySlot&);
-static JSValue numberConstructorMaxValue(ExecState*, const Identifier&, const PropertySlot&);
-static JSValue numberConstructorMinValue(ExecState*, const Identifier&, const PropertySlot&);
+static EncodedJSValue numberConstructorNaNValue(ExecState*, JSObject*, EncodedJSValue, PropertyName);
+static EncodedJSValue numberConstructorNegInfinity(ExecState*, JSObject*, EncodedJSValue, PropertyName);
+static EncodedJSValue numberConstructorPosInfinity(ExecState*, JSObject*, EncodedJSValue, PropertyName);
+static EncodedJSValue numberConstructorMaxValue(ExecState*, JSObject*, EncodedJSValue, PropertyName);
+static EncodedJSValue numberConstructorMinValue(ExecState*, JSObject*, EncodedJSValue, PropertyName);
 
 } // namespace JSC
 
@@ -41,10 +41,12 @@ static JSValue numberConstructorMinValue(ExecState*, const Identifier&, const Pr
 
 namespace JSC {
 
-const ClassInfo NumberConstructor::info = { "Function", &InternalFunction::info, 0, ExecState::numberTable };
+STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(NumberConstructor);
+
+const ClassInfo NumberConstructor::s_info = { "Function", &InternalFunction::s_info, 0, ExecState::numberConstructorTable, CREATE_METHOD_TABLE(NumberConstructor) };
 
 /* Source for NumberConstructor.lut.h
-@begin numberTable
+@begin numberConstructorTable
    NaN                   numberConstructorNaNValue       DontEnum|DontDelete|ReadOnly
    NEGATIVE_INFINITY     numberConstructorNegInfinity    DontEnum|DontDelete|ReadOnly
    POSITIVE_INFINITY     numberConstructorPosInfinity    DontEnum|DontDelete|ReadOnly
@@ -53,73 +55,75 @@ const ClassInfo NumberConstructor::info = { "Function", &InternalFunction::info,
 @end
 */
 
-NumberConstructor::NumberConstructor(ExecState* exec, NonNullPassRefPtr<Structure> structure, NumberPrototype* numberPrototype)
-    : InternalFunction(&exec->globalData(), structure, Identifier(exec, numberPrototype->info.className))
+NumberConstructor::NumberConstructor(VM& vm, Structure* structure)
+    : InternalFunction(vm, structure)
 {
-    // Number.Prototype
-    putDirectWithoutTransition(exec->propertyNames().prototype, numberPrototype, DontEnum | DontDelete | ReadOnly);
-
-    // no. of arguments for constructor
-    putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 1), ReadOnly | DontEnum | DontDelete);
 }
 
-bool NumberConstructor::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
+void NumberConstructor::finishCreation(VM& vm, NumberPrototype* numberPrototype)
 {
-    return getStaticValueSlot<NumberConstructor, InternalFunction>(exec, ExecState::numberTable(exec), this, propertyName, slot);
+    Base::finishCreation(vm, NumberPrototype::info()->className);
+    ASSERT(inherits(info()));
+
+    // Number.Prototype
+    putDirectWithoutTransition(vm, vm.propertyNames->prototype, numberPrototype, DontEnum | DontDelete | ReadOnly);
+
+    // no. of arguments for constructor
+    putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum | DontDelete);
 }
 
-bool NumberConstructor::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
+bool NumberConstructor::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
 {
-    return getStaticValueDescriptor<NumberConstructor, InternalFunction>(exec, ExecState::numberTable(exec), this, propertyName, descriptor);
+    return getStaticValueSlot<NumberConstructor, InternalFunction>(exec, ExecState::numberConstructorTable(exec->vm()), jsCast<NumberConstructor*>(object), propertyName, slot);
 }
 
-static JSValue numberConstructorNaNValue(ExecState* exec, const Identifier&, const PropertySlot&)
+static EncodedJSValue numberConstructorNaNValue(ExecState*, JSObject*, EncodedJSValue, PropertyName)
 {
-    return jsNaN(exec);
+    return JSValue::encode(jsNaN());
 }
 
-static JSValue numberConstructorNegInfinity(ExecState* exec, const Identifier&, const PropertySlot&)
+static EncodedJSValue numberConstructorNegInfinity(ExecState*, JSObject*, EncodedJSValue, PropertyName)
 {
-    return jsNumber(exec, -Inf);
+    return JSValue::encode(jsNumber(-std::numeric_limits<double>::infinity()));
 }
 
-static JSValue numberConstructorPosInfinity(ExecState* exec, const Identifier&, const PropertySlot&)
+static EncodedJSValue numberConstructorPosInfinity(ExecState*, JSObject*, EncodedJSValue, PropertyName)
 {
-    return jsNumber(exec, Inf);
+    return JSValue::encode(jsNumber(std::numeric_limits<double>::infinity()));
 }
 
-static JSValue numberConstructorMaxValue(ExecState* exec, const Identifier&, const PropertySlot&)
+static EncodedJSValue numberConstructorMaxValue(ExecState*, JSObject*, EncodedJSValue, PropertyName)
 {
-    return jsNumber(exec, 1.7976931348623157E+308);
+    return JSValue::encode(jsNumber(1.7976931348623157E+308));
 }
 
-static JSValue numberConstructorMinValue(ExecState* exec, const Identifier&, const PropertySlot&)
+static EncodedJSValue numberConstructorMinValue(ExecState*, JSObject*, EncodedJSValue, PropertyName)
 {
-    return jsNumber(exec, 5E-324);
+    return JSValue::encode(jsNumber(5E-324));
 }
 
 // ECMA 15.7.1
-static JSObject* constructWithNumberConstructor(ExecState* exec, JSObject*, const ArgList& args)
+static EncodedJSValue JSC_HOST_CALL constructWithNumberConstructor(ExecState* exec)
 {
-    NumberObject* object = new (exec) NumberObject(exec->lexicalGlobalObject()->numberObjectStructure());
-    double n = args.isEmpty() ? 0 : args.at(0).toNumber(exec);
-    object->setInternalValue(jsNumber(exec, n));
-    return object;
+    NumberObject* object = NumberObject::create(exec->vm(), asInternalFunction(exec->callee())->globalObject()->numberObjectStructure());
+    double n = exec->argumentCount() ? exec->uncheckedArgument(0).toNumber(exec) : 0;
+    object->setInternalValue(exec->vm(), jsNumber(n));
+    return JSValue::encode(object);
 }
 
-ConstructType NumberConstructor::getConstructData(ConstructData& constructData)
+ConstructType NumberConstructor::getConstructData(JSCell*, ConstructData& constructData)
 {
     constructData.native.function = constructWithNumberConstructor;
     return ConstructTypeHost;
 }
 
 // ECMA 15.7.2
-static JSValue JSC_HOST_CALL callNumberConstructor(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+static EncodedJSValue JSC_HOST_CALL callNumberConstructor(ExecState* exec)
 {
-    return jsNumber(exec, args.isEmpty() ? 0 : args.at(0).toNumber(exec));
+    return JSValue::encode(jsNumber(!exec->argumentCount() ? 0 : exec->uncheckedArgument(0).toNumber(exec)));
 }
 
-CallType NumberConstructor::getCallData(CallData& callData)
+CallType NumberConstructor::getCallData(JSCell*, CallData& callData)
 {
     callData.native.function = callNumberConstructor;
     return CallTypeHost;