blob: 96d22ecfa0a4c756edff61f0013f7258e7d3fbd5 [file] [log] [blame]
/*
* Copyright (C) 2018 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 "RecordedStatuses.h"
namespace JSC {
RecordedStatuses& RecordedStatuses::operator=(RecordedStatuses&& other)
{
calls = WTFMove(other.calls);
gets = WTFMove(other.gets);
puts = WTFMove(other.puts);
ins = WTFMove(other.ins);
shrinkToFit();
return *this;
}
RecordedStatuses::RecordedStatuses(RecordedStatuses&& other)
{
*this = WTFMove(other);
}
CallLinkStatus* RecordedStatuses::addCallLinkStatus(const CodeOrigin& codeOrigin, const CallLinkStatus& status)
{
auto statusPtr = std::make_unique<CallLinkStatus>(status);
CallLinkStatus* result = statusPtr.get();
calls.append(std::make_pair(codeOrigin, WTFMove(statusPtr)));
return result;
}
GetByIdStatus* RecordedStatuses::addGetByIdStatus(const CodeOrigin& codeOrigin, const GetByIdStatus& status)
{
auto statusPtr = std::make_unique<GetByIdStatus>(status);
GetByIdStatus* result = statusPtr.get();
gets.append(std::make_pair(codeOrigin, WTFMove(statusPtr)));
return result;
}
PutByIdStatus* RecordedStatuses::addPutByIdStatus(const CodeOrigin& codeOrigin, const PutByIdStatus& status)
{
auto statusPtr = std::make_unique<PutByIdStatus>(status);
PutByIdStatus* result = statusPtr.get();
puts.append(std::make_pair(codeOrigin, WTFMove(statusPtr)));
return result;
}
InByIdStatus* RecordedStatuses::addInByIdStatus(const CodeOrigin& codeOrigin, const InByIdStatus& status)
{
auto statusPtr = std::make_unique<InByIdStatus>(status);
InByIdStatus* result = statusPtr.get();
ins.append(std::make_pair(codeOrigin, WTFMove(statusPtr)));
return result;
}
void RecordedStatuses::markIfCheap(SlotVisitor& slotVisitor)
{
for (auto& pair : gets)
pair.second->markIfCheap(slotVisitor);
for (auto& pair : puts)
pair.second->markIfCheap(slotVisitor);
for (auto& pair : ins)
pair.second->markIfCheap(slotVisitor);
}
void RecordedStatuses::finalizeWithoutDeleting(VM& vm)
{
// This variant of finalize gets called from within graph safepoints -- so there may be DFG IR in
// some compiler thread that points to the statuses. That thread is stopped at a safepoint so
// it's OK to edit its data structure, but it's not OK to delete them. Hence we don't remove
// anything from the vector or delete the unique_ptrs.
auto finalize = [&] (auto& vector) {
for (auto& pair : vector) {
if (!pair.second->finalize(vm))
*pair.second = { };
}
};
forEachVector(finalize);
}
void RecordedStatuses::finalize(VM& vm)
{
auto finalize = [&] (auto& vector) {
vector.removeAllMatching(
[&] (auto& pair) -> bool {
return !*pair.second || !pair.second->finalize(vm);
});
vector.shrinkToFit();
};
forEachVector(finalize);
}
void RecordedStatuses::shrinkToFit()
{
forEachVector([] (auto& vector) { vector.shrinkToFit(); });
}
} // namespace JSC