Exemplo n.º 1
0
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;
}
Exemplo n.º 2
0
ScriptObject ScriptFunctionCall::construct(bool& hadException, bool reportExceptions)
{
    JSObject* thisObject = m_thisObject.jsObject();

    JSLock lock(SilenceAssertionsOnly);

    JSObject* constructor = asObject(thisObject->get(m_exec, Identifier(m_exec, stringToUString(m_name))));
    if (m_exec->hadException()) {
        if (reportExceptions)
            reportException(m_exec, m_exec->exception());

        hadException = true;
        return ScriptObject();
    }

    ConstructData constructData;
    ConstructType constructType = constructor->getConstructData(constructData);
    if (constructType == ConstructTypeNone)
        return ScriptObject();

    JSValue result = JSC::construct(m_exec, constructor, constructType, constructData, m_arguments);
    if (m_exec->hadException()) {
        if (reportExceptions)
            reportException(m_exec, m_exec->exception());

        hadException = true;
        return ScriptObject();
    }

    return ScriptObject(m_exec, asObject(result));
}
Exemplo n.º 3
0
Arquivo: Error.cpp Projeto: Afreeca/qt
JSObject* Error::create(ExecState* exec, ErrorType type, const UString& message, int lineNumber, intptr_t sourceID, const UString& sourceURL)
{
    JSObject* constructor;
    const char* name;
    switch (type) {
        case EvalError:
            constructor = exec->lexicalGlobalObject()->evalErrorConstructor();
            name = "Evaluation error";
            break;
        case RangeError:
            constructor = exec->lexicalGlobalObject()->rangeErrorConstructor();
            name = "Range error";
            break;
        case ReferenceError:
            constructor = exec->lexicalGlobalObject()->referenceErrorConstructor();
            name = "Reference error";
            break;
        case SyntaxError:
            constructor = exec->lexicalGlobalObject()->syntaxErrorConstructor();
            name = "Syntax error";
            break;
        case TypeError:
            constructor = exec->lexicalGlobalObject()->typeErrorConstructor();
            name = "Type error";
            break;
        case URIError:
            constructor = exec->lexicalGlobalObject()->URIErrorConstructor();
            name = "URI error";
            break;
        default:
            constructor = exec->lexicalGlobalObject()->errorConstructor();
            name = "Error";
            break;
    }

    MarkedArgumentBuffer args;
    if (message.isEmpty())
        args.append(jsString(exec, name));
    else
        args.append(jsString(exec, message));
    ConstructData constructData;
    ConstructType constructType = constructor->getConstructData(constructData);
    JSObject* error = construct(exec, constructor, constructType, constructData, args);

    if (lineNumber != -1)
        error->putWithAttributes(exec, Identifier(exec, JSC_ERROR_LINENUMBER_PROPERTYNAME), jsNumber(exec, lineNumber), ReadOnly | DontDelete);
    if (sourceID != -1)
        error->putWithAttributes(exec, Identifier(exec, "sourceId"), jsNumber(exec, sourceID), ReadOnly | DontDelete);
    if (!sourceURL.isNull())
        error->putWithAttributes(exec, Identifier(exec, JSC_ERROR_FILENAME_PROPERTYNAME), jsString(exec, sourceURL), ReadOnly | DontDelete);

    return error;
}
JSObjectRef JSObjectCallAsConstructor(JSContextRef ctx, JSObjectRef object, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
    ExecState* exec = toJS(ctx);
    APIEntryShim entryShim(exec);

    JSObject* jsObject = toJS(object);

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

    MarkedArgumentBuffer argList;
    for (size_t i = 0; i < argumentCount; i++)
        argList.append(toJS(exec, arguments[i]));
    JSObjectRef result = toRef(construct(exec, jsObject, constructType, constructData, argList));
    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec, exec->exception());
        exec->clearException();
        result = 0;
    }
    return result;
}
Exemplo n.º 5
0
bool JSObjectIsConstructor(JSContextRef, JSObjectRef object)
{
    JSObject* jsObject = toJS(object);
    ConstructData constructData;
    return jsObject->getConstructData(constructData) != ConstructTypeNone;
}