1 | /* |
2 | * Copyright (C) 2015 Yusuke Suzuki <[email protected]>. |
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. ``AS IS'' AND ANY |
15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
17 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
18 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
19 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
20 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
21 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
22 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 | * (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 "config.h" |
28 | #include "JSStringIterator.h" |
29 | |
30 | #include "BuiltinNames.h" |
31 | #include "JSCInlines.h" |
32 | |
33 | namespace JSC { |
34 | |
35 | const ClassInfo JSStringIterator::s_info = { "String Iterator" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSStringIterator) }; |
36 | |
37 | void JSStringIterator::finishCreation(VM& vm, JSGlobalObject*, JSString* iteratedString) |
38 | { |
39 | Base::finishCreation(vm); |
40 | ASSERT(inherits(vm, info())); |
41 | putDirect(vm, vm.propertyNames->builtinNames().iteratedStringPrivateName(), iteratedString); |
42 | putDirect(vm, vm.propertyNames->builtinNames().stringIteratorNextIndexPrivateName(), jsNumber(0)); |
43 | } |
44 | |
45 | JSValue JSStringIterator::iteratedValue(ExecState* exec) const |
46 | { |
47 | return getDirect(exec->vm(), exec->vm().propertyNames->builtinNames().iteratedStringPrivateName()); |
48 | } |
49 | |
50 | JSStringIterator* JSStringIterator::clone(ExecState* exec) |
51 | { |
52 | VM& vm = exec->vm(); |
53 | JSValue iteratedString = getDirect(vm, vm.propertyNames->builtinNames().iteratedStringPrivateName()); |
54 | JSValue nextIndex = getDirect(vm, vm.propertyNames->builtinNames().stringIteratorNextIndexPrivateName()); |
55 | |
56 | auto clone = JSStringIterator::create(exec, exec->jsCallee()->globalObject(vm)->stringIteratorStructure(), asString(iteratedString)); |
57 | clone->putDirect(vm, vm.propertyNames->builtinNames().stringIteratorNextIndexPrivateName(), nextIndex); |
58 | return clone; |
59 | } |
60 | |
61 | } // namespace JSC |
62 | |