C++ (Cpp) initializeGetterSetterProperty示例

示例#1

文件： JSBoundFunction.cpp 项目： paul99/third_party

void JSBoundFunction::finishCreation(ExecState* exec, NativeExecutable* executable, int length, const Identifier& name)
{
    Base::finishCreation(exec, executable, length, name);
    ASSERT(inherits(&s_info));

    initializeGetterSetterProperty(exec, exec->propertyNames().arguments, globalObject()->throwTypeErrorGetterSetter(exec), DontDelete | DontEnum | Accessor);
    initializeGetterSetterProperty(exec, exec->propertyNames().caller, globalObject()->throwTypeErrorGetterSetter(exec), DontDelete | DontEnum | Accessor);
}

示例#2

文件： JSFunction.cpp 项目： sysrqb/chromium-src

bool JSFunction::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
{
    if (isHostFunction())
        return Base::getOwnPropertyDescriptor(exec, propertyName, descriptor);
    
    if (propertyName == exec->propertyNames().prototype) {
        PropertySlot slot;
        getOwnPropertySlotVirtual(exec, propertyName, slot);
        return Base::getOwnPropertyDescriptor(exec, propertyName, descriptor);
    }
    
    if (propertyName == exec->propertyNames().arguments) {
        if (jsExecutable()->isStrictMode()) {
            bool result = Base::getOwnPropertyDescriptor(exec, propertyName, descriptor);
            if (!result) {
                initializeGetterSetterProperty(exec, propertyName, globalObject()->throwTypeErrorGetterSetter(exec), DontDelete | DontEnum | Getter | Setter);
                result = Base::getOwnPropertyDescriptor(exec, propertyName, descriptor);
                ASSERT(result);
            }
            return result;
        }
        descriptor.setDescriptor(exec->interpreter()->retrieveArguments(exec, this), ReadOnly | DontEnum | DontDelete);
        return true;
    }
    
    if (propertyName == exec->propertyNames().length) {
        descriptor.setDescriptor(jsNumber(jsExecutable()->parameterCount()), ReadOnly | DontEnum | DontDelete);
        return true;
    }
    
    if (propertyName == exec->propertyNames().caller) {
        if (jsExecutable()->isStrictMode()) {
            bool result = Base::getOwnPropertyDescriptor(exec, propertyName, descriptor);
            if (!result) {
                initializeGetterSetterProperty(exec, propertyName, globalObject()->throwTypeErrorGetterSetter(exec), DontDelete | DontEnum | Getter | Setter);
                result = Base::getOwnPropertyDescriptor(exec, propertyName, descriptor);
                ASSERT(result);
            }
            return result;
        }
        descriptor.setDescriptor(exec->interpreter()->retrieveCaller(exec, this), ReadOnly | DontEnum | DontDelete);
        return true;
    }
    
    return Base::getOwnPropertyDescriptor(exec, propertyName, descriptor);
}