| 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. ``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 | |