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-rw-r--r--Source/JavaScriptCore/bytecode/GetByIdVariant.cpp145
1 files changed, 0 insertions, 145 deletions
diff --git a/Source/JavaScriptCore/bytecode/GetByIdVariant.cpp b/Source/JavaScriptCore/bytecode/GetByIdVariant.cpp
deleted file mode 100644
index a869d4a1c..000000000
--- a/Source/JavaScriptCore/bytecode/GetByIdVariant.cpp
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright (C) 2014, 2015 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 "GetByIdVariant.h"
-
-#include "CallLinkStatus.h"
-#include "JSCInlines.h"
-#include <wtf/ListDump.h>
-
-namespace JSC {
-
-GetByIdVariant::GetByIdVariant(
- const StructureSet& structureSet, PropertyOffset offset,
- const ObjectPropertyConditionSet& conditionSet,
- std::unique_ptr<CallLinkStatus> callLinkStatus,
- JSFunction* intrinsicFunction)
- : m_structureSet(structureSet)
- , m_conditionSet(conditionSet)
- , m_offset(offset)
- , m_callLinkStatus(WTFMove(callLinkStatus))
- , m_intrinsicFunction(intrinsicFunction)
-{
- if (!structureSet.size()) {
- ASSERT(offset == invalidOffset);
- ASSERT(conditionSet.isEmpty());
- }
- if (intrinsicFunction)
- ASSERT(intrinsic() != NoIntrinsic);
-}
-
-GetByIdVariant::~GetByIdVariant() { }
-
-GetByIdVariant::GetByIdVariant(const GetByIdVariant& other)
- : GetByIdVariant()
-{
- *this = other;
-}
-
-GetByIdVariant& GetByIdVariant::operator=(const GetByIdVariant& other)
-{
- m_structureSet = other.m_structureSet;
- m_conditionSet = other.m_conditionSet;
- m_offset = other.m_offset;
- m_intrinsicFunction = other.m_intrinsicFunction;
- if (other.m_callLinkStatus)
- m_callLinkStatus = std::make_unique<CallLinkStatus>(*other.m_callLinkStatus);
- else
- m_callLinkStatus = nullptr;
- return *this;
-}
-
-inline bool GetByIdVariant::canMergeIntrinsicStructures(const GetByIdVariant& other) const
-{
- if (m_intrinsicFunction != other.m_intrinsicFunction)
- return false;
- switch (intrinsic()) {
- case TypedArrayByteLengthIntrinsic: {
- // We can merge these sets as long as the element size of the two sets is the same.
- TypedArrayType thisType = (*m_structureSet.begin())->classInfo()->typedArrayStorageType;
- TypedArrayType otherType = (*other.m_structureSet.begin())->classInfo()->typedArrayStorageType;
-
- ASSERT(isTypedView(thisType) && isTypedView(otherType));
-
- return logElementSize(thisType) == logElementSize(otherType);
- }
-
- default:
- return true;
- }
- RELEASE_ASSERT_NOT_REACHED();
-}
-
-bool GetByIdVariant::attemptToMerge(const GetByIdVariant& other)
-{
- if (m_offset != other.m_offset)
- return false;
- if (m_callLinkStatus || other.m_callLinkStatus)
- return false;
-
- if (!canMergeIntrinsicStructures(other))
- return false;
-
- if (m_conditionSet.isEmpty() != other.m_conditionSet.isEmpty())
- return false;
-
- ObjectPropertyConditionSet mergedConditionSet;
- if (!m_conditionSet.isEmpty()) {
- mergedConditionSet = m_conditionSet.mergedWith(other.m_conditionSet);
- if (!mergedConditionSet.isValid() || !mergedConditionSet.hasOneSlotBaseCondition())
- return false;
- }
- m_conditionSet = mergedConditionSet;
-
- m_structureSet.merge(other.m_structureSet);
-
- return true;
-}
-
-void GetByIdVariant::dump(PrintStream& out) const
-{
- dumpInContext(out, 0);
-}
-
-void GetByIdVariant::dumpInContext(PrintStream& out, DumpContext* context) const
-{
- if (!isSet()) {
- out.print("<empty>");
- return;
- }
-
- out.print(
- "<", inContext(structureSet(), context), ", ", inContext(m_conditionSet, context));
- out.print(", offset = ", offset());
- if (m_callLinkStatus)
- out.print(", call = ", *m_callLinkStatus);
- if (m_intrinsicFunction)
- out.print(", intrinsic = ", *m_intrinsicFunction);
- out.print(">");
-}
-
-} // namespace JSC
-