1 | /* |
2 | * Copyright (C) 2016-2019 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #include "config.h" |
27 | #include "JSFixedArray.h" |
28 | |
29 | #include "CodeBlock.h" |
30 | #include "JSCInlines.h" |
31 | #include <wtf/CommaPrinter.h> |
32 | |
33 | namespace JSC { |
34 | |
35 | const ClassInfo JSFixedArray::s_info = { "JSFixedArray" , nullptr, nullptr, nullptr, CREATE_METHOD_TABLE(JSFixedArray) }; |
36 | |
37 | void JSFixedArray::visitChildren(JSCell* cell, SlotVisitor& visitor) |
38 | { |
39 | JSFixedArray* thisObject = jsCast<JSFixedArray*>(cell); |
40 | ASSERT_GC_OBJECT_INHERITS(thisObject, info()); |
41 | Base::visitChildren(thisObject, visitor); |
42 | visitor.appendValuesHidden(thisObject->buffer(), thisObject->size()); |
43 | } |
44 | |
45 | void JSFixedArray::copyToArguments(JSGlobalObject*, CallFrame* callFrame, VirtualRegister firstElementDest, unsigned offset, unsigned length) |
46 | { |
47 | for (unsigned i = 0; i < length; ++i) { |
48 | if ((i + offset) < m_size) |
49 | callFrame->r(firstElementDest + i) = get(i + offset); |
50 | else |
51 | callFrame->r(firstElementDest + i) = jsUndefined(); |
52 | } |
53 | } |
54 | |
55 | void JSFixedArray::dumpToStream(const JSCell* cell, PrintStream& out) |
56 | { |
57 | VM& vm = cell->vm(); |
58 | const auto* thisObject = jsCast<const JSFixedArray*>(cell); |
59 | out.printf("<%p, %s, [%u], [" , thisObject, thisObject->className(vm), thisObject->length()); |
60 | CommaPrinter comma; |
61 | for (unsigned index = 0; index < thisObject->length(); ++index) |
62 | out.print(comma, thisObject->get(index)); |
63 | out.print("]>" ); |
64 | } |
65 | |
66 | } // namespace JSC |
67 | |