C++ JSValue类代码示例

本文整理汇总了C++中JSValue类的典型用法代码示例。如果您正苦于以下问题：C++ JSValue类的具体用法？C++ JSValue怎么用？C++ JSValue使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了JSValue类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: valueToStringWithUndefinedOrNullCheck

String valueToStringWithUndefinedOrNullCheck(ExecState* exec, JSValue value)
{
    if (value.isUndefinedOrNull())
        return String();
    return ustringToString(value.toString(exec)->value(exec));
}

开发者ID:paul99，项目名称:third_party，代码行数:6，代码来源:JSDOMBinding.cpp

示例2: setJSSVGSwitchElementXmlspace

void setJSSVGSwitchElementXmlspace(ExecState* exec, JSObject* thisObject, JSValue value)
{
    JSSVGSwitchElement* castedThisObj = static_cast<JSSVGSwitchElement*>(thisObject);
    SVGSwitchElement* imp = static_cast<SVGSwitchElement*>(castedThisObj->impl());
    imp->setXmlspace(value.toString(exec));
}

开发者ID:Akheon23，项目名称:chromecast-mirrored-source.vendor，代码行数:6，代码来源:JSSVGSwitchElement.cpp

示例3: setRegExpConstructorInput

void setRegExpConstructorInput(ExecState* exec, JSObject* baseObject, JSValue value)
{
    asRegExpConstructor(baseObject)->setInput(exec, value.toString(exec));
}

开发者ID:，项目名称:，代码行数:4，代码来源:

示例4: setJSSVGTextContentElementXmlspace

void setJSSVGTextContentElementXmlspace(ExecState* exec, JSObject* thisObject, JSValue value)
{
    SVGTextContentElement* imp = static_cast<SVGTextContentElement*>(static_cast<JSSVGTextContentElement*>(thisObject)->impl());
    imp->setXmlspace(value.toString(exec));
}

开发者ID:Mr-Kumar-Abhishek，项目名称:qt，代码行数:5，代码来源:JSSVGTextContentElement.cpp

示例5: ASSERT

// ECMA 8.6.2.2
void JSObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
{
    ASSERT(value);
    ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(this));

    if (propertyName == exec->propertyNames().underscoreProto) {
        // Setting __proto__ to a non-object, non-null value is silently ignored to match Mozilla.
        if (!value.isObject() && !value.isNull())
            return;

        JSValue nextPrototypeValue = value;
        while (nextPrototypeValue && nextPrototypeValue.isObject()) {
            JSObject* nextPrototype = asObject(nextPrototypeValue)->unwrappedObject();
            if (nextPrototype == this) {
                throwError(exec, GeneralError, "cyclic __proto__ value");
                return;
            }
            nextPrototypeValue = nextPrototype->prototype();
        }

        setPrototype(value);
        return;
    }

    // Check if there are any setters or getters in the prototype chain
    JSValue prototype;
    for (JSObject* obj = this; !obj->structure()->hasGetterSetterProperties(); obj = asObject(prototype)) {
        prototype = obj->prototype();
        if (prototype.isNull()) {
            putDirectInternal(exec->globalData(), propertyName, value, 0, true, slot);
            return;
        }
    }
    
    unsigned attributes;
    JSCell* specificValue;
    if ((m_structure->get(propertyName, attributes, specificValue) != WTF::notFound) && attributes & ReadOnly)
        return;

    for (JSObject* obj = this; ; obj = asObject(prototype)) {
        if (JSValue gs = obj->getDirect(propertyName)) {
            if (gs.isGetterSetter()) {
                JSObject* setterFunc = asGetterSetter(gs)->setter();        
                if (!setterFunc) {
                    throwSetterError(exec);
                    return;
                }
                
                CallData callData;
                CallType callType = setterFunc->getCallData(callData);
                MarkedArgumentBuffer args;
                args.append(value);
                call(exec, setterFunc, callType, callData, this, args);
                return;
            }

            // If there's an existing property on the object or one of its 
            // prototypes it should be replaced, so break here.
            break;
        }

        prototype = obj->prototype();
        if (prototype.isNull())
            break;
    }

    putDirectInternal(exec->globalData(), propertyName, value, 0, true, slot);
    return;
}

开发者ID:jackiekaon，项目名称:owb-mirror，代码行数:70，代码来源:JSObject.cpp

示例6: convertValue

void JSDictionary::convertValue(ExecState* exec, JSValue value, String& result)
{
    result = ustringToString(value.toString(exec)->value(exec));
}

开发者ID:xiaolu31，项目名称:webkit-node，代码行数:4，代码来源:JSDictionary.cpp

示例7: readRotationRateArgument

static PassRefPtr<DeviceMotionData::RotationRate> readRotationRateArgument(JSValue value, ExecState* exec)
{
    if (value.isUndefinedOrNull())
        return 0;

    // Given the above test, this will always yield an object.
    JSObject* object = value.toObject(exec);

    JSValue alphaValue = object->get(exec, Identifier(exec, "alpha"));
    if (exec->hadException())
        return 0;
    bool canProvideAlpha = !alphaValue.isUndefinedOrNull();
    double alpha = alphaValue.toNumber(exec);
    if (exec->hadException())
        return 0;

    JSValue betaValue = object->get(exec, Identifier(exec, "beta"));
    if (exec->hadException())
        return 0;
    bool canProvideBeta = !betaValue.isUndefinedOrNull();
    double beta = betaValue.toNumber(exec);
    if (exec->hadException())
        return 0;

    JSValue gammaValue = object->get(exec, Identifier(exec, "gamma"));
    if (exec->hadException())
        return 0;
    bool canProvideGamma = !gammaValue.isUndefinedOrNull();
    double gamma = gammaValue.toNumber(exec);
    if (exec->hadException())
        return 0;

    if (!canProvideAlpha && !canProvideBeta && !canProvideGamma)
        return 0;

    return DeviceMotionData::RotationRate::create(canProvideAlpha, alpha, canProvideBeta, beta, canProvideGamma, gamma);
}

开发者ID:mulriple，项目名称:Webkit-Projects，代码行数:37，代码来源:JSDeviceMotionEventCustom.cpp