jsobjectref.cpp

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    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSObject* jsObject = toJS(object);

    JSValuePtr jsValue = jsObject->get(exec, propertyName->identifier(&exec->globalData()));
    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec->exception());
        exec->clearException();
    }
    return toRef(jsValue);
}

void JSObjectSetProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef value, JSPropertyAttributes attributes, JSValueRef* exception)
{
    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSObject* jsObject = toJS(object);
    Identifier name(propertyName->identifier(&exec->globalData()));
    JSValuePtr jsValue = toJS(value);

    if (attributes && !jsObject->hasProperty(exec, name))
        jsObject->putWithAttributes(exec, name, jsValue, attributes);
    else {
        PutPropertySlot slot;
        jsObject->put(exec, name, jsValue, slot);
    }

    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec->exception());
        exec->clearException();
    }
}

JSValueRef JSObjectGetPropertyAtIndex(JSContextRef ctx, JSObjectRef object, unsigned propertyIndex, JSValueRef* exception)
{
    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSObject* jsObject = toJS(object);

    JSValuePtr jsValue = jsObject->get(exec, propertyIndex);
    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec->exception());
        exec->clearException();
    }
    return toRef(jsValue);
}


void JSObjectSetPropertyAtIndex(JSContextRef ctx, JSObjectRef object, unsigned propertyIndex, JSValueRef value, JSValueRef* exception)
{
    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSObject* jsObject = toJS(object);
    JSValuePtr jsValue = toJS(value);
    
    jsObject->put(exec, propertyIndex, jsValue);
    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec->exception());
        exec->clearException();
    }
}

bool JSObjectDeleteProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)
{
    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSObject* jsObject = toJS(object);

    bool result = jsObject->deleteProperty(exec, propertyName->identifier(&exec->globalData()));
    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec->exception());
        exec->clearException();
    }
    return result;
}

void* JSObjectGetPrivate(JSObjectRef object)
{
    JSObject* jsObject = toJS(object);
    
    if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::info))
        return static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->getPrivate();
    else if (jsObject->inherits(&JSCallbackObject<JSObject>::info))
        return static_cast<JSCallbackObject<JSObject>*>(jsObject)->getPrivate();
    
    return 0;
}

bool JSObjectSetPrivate(JSObjectRef object, void* data)
{
    JSObject* jsObject = toJS(object);
    
    if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::info)) {
        static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->setPrivate(data);
        return true;
    } else if (jsObject->inherits(&JSCallbackObject<JSObject>::info)) {
        static_cast<JSCallbackObject<JSObject>*>(jsObject)->setPrivate(data);
        return true;
    }
        
    return false;
}

bool JSObjectIsFunction(JSContextRef, JSObjectRef object)
{
    CallData callData;
    return toJS(object)->getCallData(callData) != CallTypeNone;
}

JSValueRef JSObjectCallAsFunction(JSContextRef ctx, JSObjectRef object, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSObject* jsObject = toJS(object);
    JSObject* jsThisObject = toJS(thisObject);

    if (!jsThisObject)
        jsThisObject = exec->globalThisValue();

    ArgList argList;
    for (size_t i = 0; i < argumentCount; i++)
        argList.append(toJS(arguments[i]));

    CallData callData;
    CallType callType = jsObject->getCallData(callData);
    if (callType == CallTypeNone)
        return 0;

    JSValueRef result = toRef(call(exec, jsObject, callType, callData, jsThisObject, argList));
    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec->exception());
        exec->clearException();
        result = 0;
    }
    return result;
}

bool JSObjectIsConstructor(JSContextRef, JSObjectRef object)
{
    JSObject* jsObject = toJS(object);
    ConstructData constructData;
    return jsObject->getConstructData(constructData) != ConstructTypeNone;
}

JSObjectRef JSObjectCallAsConstructor(JSContextRef ctx, JSObjectRef object, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSObject* jsObject = toJS(object);

    ConstructData constructData;
    ConstructType constructType = jsObject->getConstructData(constructData);
    if (constructType == ConstructTypeNone)
        return 0;

    ArgList argList;
    for (size_t i = 0; i < argumentCount; i++)
        argList.append(toJS(arguments[i]));
    JSObjectRef result = toRef(construct(exec, jsObject, constructType, constructData, argList));
    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec->exception());
        exec->clearException();
        result = 0;
    }
    return result;
}

struct OpaqueJSPropertyNameArray {
    OpaqueJSPropertyNameArray(JSGlobalData* globalData)
        : refCount(0)
        , globalData(globalData)
    {
    }
    
    unsigned refCount;
    JSGlobalData* globalData;
    Vector<JSRetainPtr<JSStringRef> > array;
};

JSPropertyNameArrayRef JSObjectCopyPropertyNames(JSContextRef ctx, JSObjectRef object)
{
    JSObject* jsObject = toJS(object);
    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSGlobalData* globalData = &exec->globalData();

    JSPropertyNameArrayRef propertyNames = new OpaqueJSPropertyNameArray(globalData);
    PropertyNameArray array(globalData);
    jsObject->getPropertyNames(exec, array);

    size_t size = array.size();
    propertyNames->array.reserveInitialCapacity(size);
    for (size_t i = 0; i < size; ++i)
        propertyNames->array.append(JSRetainPtr<JSStringRef>(Adopt, OpaqueJSString::create(array[i].ustring()).releaseRef()));
    
    return JSPropertyNameArrayRetain(propertyNames);
}

JSPropertyNameArrayRef JSPropertyNameArrayRetain(JSPropertyNameArrayRef array)
{
    ++array->refCount;
    return array;
}

void JSPropertyNameArrayRelease(JSPropertyNameArrayRef array)
{
    if (--array->refCount == 0) {
        JSLock lock(array->globalData->isSharedInstance);
        delete array;
    }
}

size_t JSPropertyNameArrayGetCount(JSPropertyNameArrayRef array)
{
    return array->array.size();
}

JSStringRef JSPropertyNameArrayGetNameAtIndex(JSPropertyNameArrayRef array, size_t index)
{
    return array->array[static_cast<unsigned>(index)].get();
}

void JSPropertyNameAccumulatorAddName(JSPropertyNameAccumulatorRef array, JSStringRef propertyName)
{
    PropertyNameArray* propertyNames = toJS(array);

    propertyNames->globalData()->heap.registerThread();
    JSLock lock(propertyNames->globalData()->isSharedInstance);

    propertyNames->add(propertyName->identifier(propertyNames->globalData()));
}