mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-26 21:50:53 +00:00
94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
/*
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* Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "JSInternalFieldObjectImpl.h"
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namespace JSC {
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class JSStringIterator final : public JSInternalFieldObjectImpl<2> {
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public:
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using Base = JSInternalFieldObjectImpl<2>;
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enum class Field : uint8_t {
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Index = 0,
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IteratedString,
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};
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DECLARE_EXPORT_INFO;
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static size_t allocationSize(Checked<size_t> inlineCapacity)
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{
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ASSERT_UNUSED(inlineCapacity, inlineCapacity == 0U);
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return sizeof(JSStringIterator);
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}
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template<typename CellType, SubspaceAccess mode>
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static IsoSubspace* subspaceFor(VM& vm)
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{
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return vm.stringIteratorSpace<mode>();
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}
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static std::array<JSValue, numberOfInternalFields> initialValues()
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{
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return { {
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jsNumber(0),
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jsNull(),
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} };
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}
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const WriteBarrier<Unknown>& internalField(Field field) const { return Base::internalField(static_cast<uint32_t>(field)); }
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WriteBarrier<Unknown>& internalField(Field field) { return Base::internalField(static_cast<uint32_t>(field)); }
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static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
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{
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return Structure::create(vm, globalObject, prototype, TypeInfo(JSStringIteratorType, StructureFlags), info());
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}
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static JSStringIterator* create(VM& vm, Structure* structure, JSString* iteratedString)
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{
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JSStringIterator* instance = new (NotNull, allocateCell<JSStringIterator>(vm.heap)) JSStringIterator(vm, structure);
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instance->finishCreation(vm, iteratedString);
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return instance;
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}
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JSValue iteratedString() const { return internalField(Field::IteratedString).get(); }
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JSValue index() const { return internalField(Field::Index).get(); }
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JSStringIterator* clone(JSGlobalObject*);
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static void visitChildren(JSCell*, SlotVisitor&);
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private:
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JSStringIterator(VM& vm, Structure* structure)
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: Base(vm, structure)
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{
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}
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void finishCreation(VM&, JSString* iteratedString);
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};
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} // namespace JSC
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