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-rw-r--r--Source/JavaScriptCore/runtime/JSArrayIterator.cpp169
1 files changed, 0 insertions, 169 deletions
diff --git a/Source/JavaScriptCore/runtime/JSArrayIterator.cpp b/Source/JavaScriptCore/runtime/JSArrayIterator.cpp
deleted file mode 100644
index d506c4ebd..000000000
--- a/Source/JavaScriptCore/runtime/JSArrayIterator.cpp
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@@ -1,169 +0,0 @@
-/*
- * 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.
- */
-
-#include "config.h"
-#include "JSArrayIterator.h"
-
-#include "JSCJSValueInlines.h"
-#include "JSCellInlines.h"
-#include "SlotVisitorInlines.h"
-
-namespace JSC {
-
-const ClassInfo JSArrayIterator::s_info = { "ArrayIterator", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSArrayIterator) };
-
-static EncodedJSValue JSC_HOST_CALL arrayIteratorNextKey(ExecState*);
-static EncodedJSValue JSC_HOST_CALL arrayIteratorNextValue(ExecState*);
-static EncodedJSValue JSC_HOST_CALL arrayIteratorNextGeneric(ExecState*);
-
-void JSArrayIterator::finishCreation(VM& vm, JSGlobalObject* globalObject, ArrayIterationKind kind, JSObject* iteratedObject)
-{
- Base::finishCreation(vm);
- ASSERT(inherits(info()));
- m_iterationKind = kind;
- m_iteratedObject.set(vm, this, iteratedObject);
- switch (kind) {
- case ArrayIterateKey:
- JSC_NATIVE_INTRINSIC_FUNCTION(vm.propertyNames->iteratorNextPrivateName, arrayIteratorNextKey, DontEnum, 0, ArrayIteratorNextKeyIntrinsic);
- break;
- case ArrayIterateValue:
- JSC_NATIVE_INTRINSIC_FUNCTION(vm.propertyNames->iteratorNextPrivateName, arrayIteratorNextValue, DontEnum, 0, ArrayIteratorNextValueIntrinsic);
- break;
- default:
- JSC_NATIVE_INTRINSIC_FUNCTION(vm.propertyNames->iteratorNextPrivateName, arrayIteratorNextGeneric, DontEnum, 0, ArrayIteratorNextGenericIntrinsic);
- break;
- }
-
-}
-
-
-void JSArrayIterator::visitChildren(JSCell* cell, SlotVisitor& visitor)
-{
- JSArrayIterator* thisObject = jsCast<JSArrayIterator*>(cell);
- ASSERT_GC_OBJECT_INHERITS(thisObject, info());
- COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
- ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
-
- Base::visitChildren(thisObject, visitor);
- visitor.append(&thisObject->m_iteratedObject);
-
-}
-
-static EncodedJSValue createIteratorResult(CallFrame* callFrame, ArrayIterationKind kind, size_t index, JSValue result, bool done)
-{
- if (done)
- return JSValue::encode(callFrame->vm().iterationTerminator.get());
-
- switch (kind & ~ArrayIterateSparseTag) {
- case ArrayIterateKey:
- return JSValue::encode(jsNumber(index));
-
- case ArrayIterateValue:
- return JSValue::encode(result);
-
- case ArrayIterateKeyValue: {
- MarkedArgumentBuffer args;
- args.append(jsNumber(index));
- args.append(result);
- JSGlobalObject* globalObject = callFrame->callee()->globalObject();
- return JSValue::encode(constructArray(callFrame, 0, globalObject, args));
-
- }
- default:
- RELEASE_ASSERT_NOT_REACHED();
- }
- return JSValue::encode(JSValue());
-}
-
-static inline EncodedJSValue JSC_HOST_CALL arrayIteratorNext(CallFrame* callFrame)
-{
- JSArrayIterator* iterator = jsDynamicCast<JSArrayIterator*>(callFrame->thisValue());
- if (!iterator) {
- ASSERT_NOT_REACHED();
- return JSValue::encode(throwTypeError(callFrame, ASCIILiteral("Cannot call ArrayIterator.next() on a non-ArrayIterator object")));
- }
- JSObject* iteratedObject = iterator->iteratedObject();
- size_t index = iterator->nextIndex();
- ArrayIterationKind kind = iterator->iterationKind();
- JSValue jsLength = JSValue(iteratedObject).get(callFrame, callFrame->propertyNames().length);
- if (callFrame->hadException())
- return JSValue::encode(jsNull());
-
- size_t length = jsLength.toUInt32(callFrame);
- if (callFrame->hadException())
- return JSValue::encode(jsNull());
-
- if (index >= length) {
- iterator->finish();
- return createIteratorResult(callFrame, kind, index, jsUndefined(), true);
- }
- if (JSValue result = iteratedObject->tryGetIndexQuickly(index)) {
- iterator->setNextIndex(index + 1);
- return createIteratorResult(callFrame, kind, index, result, false);
- }
-
- JSValue result = jsUndefined();
- PropertySlot slot(iteratedObject);
- if (kind > ArrayIterateSparseTag) {
- // We assume that the indexed property will be an own property so cache the getOwnProperty
- // method locally
- auto getOwnPropertySlotByIndex = iteratedObject->methodTable()->getOwnPropertySlotByIndex;
- while (index < length) {
- if (getOwnPropertySlotByIndex(iteratedObject, callFrame, index, slot)) {
- result = slot.getValue(callFrame, index);
- break;
- }
- if (iteratedObject->getPropertySlot(callFrame, index, slot)) {
- result = slot.getValue(callFrame, index);
- break;
- }
- index++;
- }
- } else if (iteratedObject->getPropertySlot(callFrame, index, slot))
- result = slot.getValue(callFrame, index);
-
- if (index == length)
- iterator->finish();
- else
- iterator->setNextIndex(index + 1);
- return createIteratorResult(callFrame, kind, index, jsUndefined(), index == length);
-}
-
-EncodedJSValue JSC_HOST_CALL arrayIteratorNextKey(CallFrame* callFrame)
-{
- return arrayIteratorNext(callFrame);
-}
-
-EncodedJSValue JSC_HOST_CALL arrayIteratorNextValue(CallFrame* callFrame)
-{
- return arrayIteratorNext(callFrame);
-}
-
-EncodedJSValue JSC_HOST_CALL arrayIteratorNextGeneric(CallFrame* callFrame)
-{
- return arrayIteratorNext(callFrame);
-}
-
-}