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authorLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
commit1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch)
tree46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/JavaScriptCore/runtime/JSArrayIterator.h
parent32761a6cee1d0dee366b885b7b9c777e67885688 (diff)
downloadWebKitGtk-tarball-master.tar.gz
Diffstat (limited to 'Source/JavaScriptCore/runtime/JSArrayIterator.h')
-rw-r--r--Source/JavaScriptCore/runtime/JSArrayIterator.h93
1 files changed, 0 insertions, 93 deletions
diff --git a/Source/JavaScriptCore/runtime/JSArrayIterator.h b/Source/JavaScriptCore/runtime/JSArrayIterator.h
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-/*
- * Copyright (C) 2013 Apple, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef JSArrayIterator_h
-#define JSArrayIterator_h
-
-#include "JSObject.h"
-
-namespace JSC {
-
-enum ArrayIterationKind : uint32_t {
- ArrayIterateKey,
- ArrayIterateValue,
- ArrayIterateKeyValue,
- ArrayIterateSparseTag = 4,
- ArrayIterateSparseKey,
- ArrayIterateSparseValue,
- ArrayIterateSparseKeyValue
-};
-
-class JSArrayIterator : public JSNonFinalObject {
-public:
- typedef JSNonFinalObject Base;
-
- DECLARE_EXPORT_INFO;
-
- static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
- {
- return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
- }
-
- static JSArrayIterator* create(ExecState* exec, Structure* structure, ArrayIterationKind kind, JSObject* iteratedObject)
- {
- VM& vm = exec->vm();
- JSArrayIterator* instance = new (NotNull, allocateCell<JSArrayIterator>(vm.heap)) JSArrayIterator(vm, structure);
- instance->finishCreation(vm, structure->globalObject(), kind, iteratedObject);
- return instance;
- }
-
- ArrayIterationKind iterationKind() const { return m_iterationKind; }
- JSObject* iteratedObject() const { return m_iteratedObject.get(); }
- size_t nextIndex() const { return m_nextIndex; }
- void setNextIndex(size_t nextIndex) { m_nextIndex = nextIndex; }
- void finish() { m_nextIndex = std::numeric_limits<uint32_t>::max(); }
-
- using JSNonFinalObject::arrayStorageOrNull;
- static ptrdiff_t offsetOfIterationKind() { return OBJECT_OFFSETOF(JSArrayIterator, m_iterationKind); }
- static ptrdiff_t offsetOfIteratedObject() { return OBJECT_OFFSETOF(JSArrayIterator, m_iteratedObject); }
- static ptrdiff_t offsetOfNextIndex() { return OBJECT_OFFSETOF(JSArrayIterator, m_nextIndex); }
-
-private:
-
- static const unsigned StructureFlags = Base::StructureFlags | OverridesVisitChildren;
-
- JSArrayIterator(VM& vm, Structure* structure)
- : Base(vm, structure)
- , m_nextIndex(0)
- {
- }
-
- void finishCreation(VM&, JSGlobalObject*, ArrayIterationKind, JSObject* iteratedObject);
- static void visitChildren(JSCell*, SlotVisitor&);
-
- ArrayIterationKind m_iterationKind;
- WriteBarrier<JSObject> m_iteratedObject;
- uint32_t m_nextIndex;
-};
-
-}
-
-#endif // !defined(JSArrayIterator_h)