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Serenity Operating System
1/*
2 * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/Function.h>
28#include <LibJS/Heap/Heap.h>
29#include <LibJS/Interpreter.h>
30#include <LibJS/Runtime/Array.h>
31#include <LibJS/Runtime/ArrayConstructor.h>
32#include <LibJS/Runtime/Shape.h>
33
34namespace JS {
35
36ArrayConstructor::ArrayConstructor()
37{
38 put("prototype", interpreter().array_prototype());
39 put("length", Value(1));
40}
41
42ArrayConstructor::~ArrayConstructor()
43{
44}
45
46Value ArrayConstructor::call(Interpreter& interpreter)
47{
48 if (interpreter.argument_count() == 0)
49 return interpreter.heap().allocate<Array>();
50
51 if (interpreter.argument_count() == 1) {
52 auto* array = interpreter.heap().allocate<Array>();
53 array->elements().resize(interpreter.argument(0).to_i32());
54 return array;
55 }
56
57 // FIXME: Handle "new Array(element0, element1, ...)"
58 ASSERT_NOT_REACHED();
59}
60
61Value ArrayConstructor::construct(Interpreter& interpreter)
62{
63 return call(interpreter);
64}
65
66}