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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* 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 <AK/Function.h>
#include <LibJS/Heap/Heap.h>
#include <LibJS/Interpreter.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/ObjectConstructor.h>
#include <LibJS/Runtime/Shape.h>
namespace JS {
ObjectConstructor::ObjectConstructor()
{
put("prototype", interpreter().object_prototype());
put_native_function("getOwnPropertyNames", get_own_property_names);
put_native_function("getPrototypeOf", get_prototype_of);
put_native_function("setPrototypeOf", set_prototype_of);
}
ObjectConstructor::~ObjectConstructor()
{
}
Value ObjectConstructor::call(Interpreter& interpreter)
{
return interpreter.heap().allocate<Object>();
}
Value ObjectConstructor::construct(Interpreter& interpreter)
{
return call(interpreter);
}
Value ObjectConstructor::get_own_property_names(Interpreter& interpreter)
{
if (!interpreter.argument_count())
return {};
auto* object = interpreter.argument(0).to_object(interpreter.heap());
if (interpreter.exception())
return {};
auto* result = interpreter.heap().allocate<Array>();
if (object->is_array()) {
auto* array = static_cast<const Array*>(object);
for (i32 i = 0; i < array->length(); ++i)
result->push(js_string(interpreter, String::number(i)));
}
for (auto& it : object->shape().property_table())
result->push(js_string(interpreter, it.key));
return result;
}
Value ObjectConstructor::get_prototype_of(Interpreter& interpreter)
{
if (!interpreter.argument_count())
return {};
auto* object = interpreter.argument(0).to_object(interpreter.heap());
if (interpreter.exception())
return {};
return object->prototype();
}
Value ObjectConstructor::set_prototype_of(Interpreter& interpreter)
{
if (interpreter.argument_count() < 2)
return {};
if (!interpreter.argument(0).is_object())
return {};
auto* object = interpreter.argument(0).to_object(interpreter.heap());
if (interpreter.exception())
return {};
object->set_prototype(&const_cast<Object&>(interpreter.argument(1).as_object()));
return {};
}
}
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