mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-12 03:36:54 +00:00
101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
/*
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* Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
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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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#include "config.h"
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#include "LazyOperandValueProfile.h"
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#include "JSCJSValueInlines.h"
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namespace JSC {
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CompressedLazyOperandValueProfileHolder::CompressedLazyOperandValueProfileHolder() { }
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CompressedLazyOperandValueProfileHolder::~CompressedLazyOperandValueProfileHolder() { }
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void CompressedLazyOperandValueProfileHolder::computeUpdatedPredictions(const ConcurrentJSLocker& locker)
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{
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if (!m_data)
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return;
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for (unsigned i = 0; i < m_data->size(); ++i)
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m_data->at(i).computeUpdatedPrediction(locker);
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}
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LazyOperandValueProfile* CompressedLazyOperandValueProfileHolder::add(
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const ConcurrentJSLocker&, const LazyOperandValueProfileKey& key)
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{
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if (!m_data)
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m_data = makeUnique<LazyOperandValueProfile::List>();
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else {
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for (unsigned i = 0; i < m_data->size(); ++i) {
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if (m_data->at(i).key() == key)
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return &m_data->at(i);
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}
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}
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m_data->append(LazyOperandValueProfile(key));
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return &m_data->last();
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}
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LazyOperandValueProfileParser::LazyOperandValueProfileParser() { }
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LazyOperandValueProfileParser::~LazyOperandValueProfileParser() { }
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void LazyOperandValueProfileParser::initialize(
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const ConcurrentJSLocker&, CompressedLazyOperandValueProfileHolder& holder)
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{
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ASSERT(m_map.isEmpty());
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if (!holder.m_data)
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return;
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LazyOperandValueProfile::List& data = *holder.m_data;
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for (unsigned i = 0; i < data.size(); ++i)
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m_map.add(data[i].key(), &data[i]);
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}
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LazyOperandValueProfile* LazyOperandValueProfileParser::getIfPresent(
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const LazyOperandValueProfileKey& key) const
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{
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HashMap<LazyOperandValueProfileKey, LazyOperandValueProfile*>::const_iterator iter =
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m_map.find(key);
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if (iter == m_map.end())
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return nullptr;
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return iter->value;
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}
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SpeculatedType LazyOperandValueProfileParser::prediction(
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const ConcurrentJSLocker& locker, const LazyOperandValueProfileKey& key) const
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{
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LazyOperandValueProfile* profile = getIfPresent(key);
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if (!profile)
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return SpecNone;
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return profile->computeUpdatedPrediction(locker);
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}
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} // namespace JSC
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