/* * Copyright (c) 2020, Andreas Kling * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include namespace JS { ObjectPrototype::ObjectPrototype(GlobalObject&) : Object(nullptr) { } void ObjectPrototype::initialize(Interpreter&, GlobalObject&) { // This must be called after the constructor has returned, so that the below code // can find the ObjectPrototype through normal paths. u8 attr = Attribute::Writable | Attribute::Configurable; define_native_function("hasOwnProperty", has_own_property, 1, attr); define_native_function("toString", to_string, 0, attr); define_native_function("toLocaleString", to_locale_string, 0, attr); define_native_function("valueOf", value_of, 0, attr); } ObjectPrototype::~ObjectPrototype() { } JS_DEFINE_NATIVE_FUNCTION(ObjectPrototype::has_own_property) { auto* this_object = interpreter.this_value(global_object).to_object(interpreter, global_object); if (!this_object) return {}; auto name = interpreter.argument(0).to_string(interpreter); if (interpreter.exception()) return {}; return Value(this_object->has_own_property(name)); } JS_DEFINE_NATIVE_FUNCTION(ObjectPrototype::to_string) { auto* this_object = interpreter.this_value(global_object).to_object(interpreter, global_object); if (!this_object) return {}; return js_string(interpreter, String::format("[object %s]", this_object->class_name())); } JS_DEFINE_NATIVE_FUNCTION(ObjectPrototype::to_locale_string) { auto* this_object = interpreter.this_value(global_object).to_object(interpreter, global_object); if (!this_object) return {}; return this_object->invoke("toString"); } JS_DEFINE_NATIVE_FUNCTION(ObjectPrototype::value_of) { auto* this_object = interpreter.this_value(global_object).to_object(interpreter, global_object); if (!this_object) return {}; return this_object->value_of(); } }