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); }
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())); }
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(); }