1/*
2 * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
3 * Copyright (C) 2016 Apple Inc. 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
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
24 * THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28#include "JSTemplateObjectDescriptor.h"
29
30#include "JSCInlines.h"
31#include "ObjectConstructor.h"
32#include "VM.h"
33
34namespace JSC {
35
36const ClassInfo JSTemplateObjectDescriptor::s_info = { "TemplateObjectDescriptor", nullptr, nullptr, nullptr, CREATE_METHOD_TABLE(JSTemplateObjectDescriptor) };
37
38
39JSTemplateObjectDescriptor::JSTemplateObjectDescriptor(VM& vm, Ref<TemplateObjectDescriptor>&& descriptor, int endOffset)
40 : Base(vm, vm.templateObjectDescriptorStructure.get())
41 , m_descriptor(WTFMove(descriptor))
42 , m_endOffset(endOffset)
43{
44}
45
46JSTemplateObjectDescriptor* JSTemplateObjectDescriptor::create(VM& vm, Ref<TemplateObjectDescriptor>&& descriptor, int endOffset)
47{
48 JSTemplateObjectDescriptor* result = new (NotNull, allocateCell<JSTemplateObjectDescriptor>(vm.heap)) JSTemplateObjectDescriptor(vm, WTFMove(descriptor), endOffset);
49 result->finishCreation(vm);
50 return result;
51}
52
53void JSTemplateObjectDescriptor::destroy(JSCell* cell)
54{
55 static_cast<JSTemplateObjectDescriptor*>(cell)->JSTemplateObjectDescriptor::~JSTemplateObjectDescriptor();
56}
57
58JSArray* JSTemplateObjectDescriptor::createTemplateObject(ExecState* exec)
59{
60 VM& vm = exec->vm();
61 auto scope = DECLARE_THROW_SCOPE(vm);
62 unsigned count = descriptor().cookedStrings().size();
63 JSArray* templateObject = constructEmptyArray(exec, nullptr, count);
64 RETURN_IF_EXCEPTION(scope, nullptr);
65 JSArray* rawObject = constructEmptyArray(exec, nullptr, count);
66 RETURN_IF_EXCEPTION(scope, nullptr);
67
68 for (unsigned index = 0; index < count; ++index) {
69 auto cooked = descriptor().cookedStrings()[index];
70 if (cooked)
71 templateObject->putDirectIndex(exec, index, jsString(exec, cooked.value()), PropertyAttribute::ReadOnly | PropertyAttribute::DontDelete, PutDirectIndexLikePutDirect);
72 else
73 templateObject->putDirectIndex(exec, index, jsUndefined(), PropertyAttribute::ReadOnly | PropertyAttribute::DontDelete, PutDirectIndexLikePutDirect);
74 RETURN_IF_EXCEPTION(scope, nullptr);
75
76 rawObject->putDirectIndex(exec, index, jsString(exec, descriptor().rawStrings()[index]), PropertyAttribute::ReadOnly | PropertyAttribute::DontDelete, PutDirectIndexLikePutDirect);
77 RETURN_IF_EXCEPTION(scope, nullptr);
78 }
79
80 objectConstructorFreeze(exec, rawObject);
81 scope.assertNoException();
82
83 templateObject->putDirect(vm, vm.propertyNames->raw, rawObject, PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum | PropertyAttribute::DontDelete);
84
85 objectConstructorFreeze(exec, templateObject);
86 scope.assertNoException();
87
88 return templateObject;
89}
90
91} // namespace JSC
92