Exemplo n.º 1
0
bool ClonedArguments::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName ident, PropertySlot& slot)
{
    ClonedArguments* thisObject = jsCast<ClonedArguments*>(object);
    VM& vm = exec->vm();

    if (!thisObject->specialsMaterialized()) {
        FunctionExecutable* executable = jsCast<FunctionExecutable*>(thisObject->m_callee->executable());
        bool isStrictMode = executable->isStrictMode();

        if (ident == vm.propertyNames->callee) {
            if (isStrictMode) {
                slot.setGetterSlot(thisObject, DontDelete | DontEnum | Accessor, thisObject->globalObject()->throwTypeErrorArgumentsCalleeAndCallerGetterSetter());
                return true;
            }
            slot.setValue(thisObject, 0, thisObject->m_callee.get());
            return true;
        }

        if (ident == vm.propertyNames->iteratorSymbol) {
            slot.setValue(thisObject, DontEnum, thisObject->globalObject()->arrayProtoValuesFunction());
            return true;
        }
    }

    return Base::getOwnPropertySlot(thisObject, exec, ident, slot);
}
Exemplo n.º 2
0
void JSFunction::addNameScopeIfNeeded(VM& vm)
{
    FunctionExecutable* executable = jsCast<FunctionExecutable*>(m_executable.get());
    if (!functionNameIsInScope(executable->name(), executable->functionMode()))
        return;
    if (!functionNameScopeIsDynamic(executable->usesEval(), executable->isStrictMode()))
        return;
    m_scope.set(vm, this, JSNameScope::create(vm, m_scope->globalObject(), executable->name(), this, ReadOnly | DontDelete, m_scope.get()));
}
Exemplo n.º 3
0
void ClonedArguments::materializeSpecials(ExecState* exec)
{
    RELEASE_ASSERT(!specialsMaterialized());
    VM& vm = exec->vm();
    
    FunctionExecutable* executable = jsCast<FunctionExecutable*>(m_callee->executable());
    bool isStrictMode = executable->isStrictMode();
    
    if (isStrictMode)
        putDirectAccessor(exec, vm.propertyNames->callee, globalObject()->throwTypeErrorArgumentsCalleeAndCallerGetterSetter(), DontDelete | DontEnum | Accessor);
    else
        putDirect(vm, vm.propertyNames->callee, JSValue(m_callee.get()));

    putDirect(vm, vm.propertyNames->iteratorSymbol, globalObject()->arrayProtoValuesFunction(), DontEnum);
    
    m_callee.clear();
}