darling-JavaScriptCore/bytecode/TrackedReferences.cpp

82 lines
2.3 KiB
C++

/*
* Copyright (C) 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 "TrackedReferences.h"
#include "JSCJSValueInlines.h"
#include <wtf/CommaPrinter.h>
namespace JSC {
TrackedReferences::TrackedReferences()
{
}
TrackedReferences::~TrackedReferences()
{
}
void TrackedReferences::add(JSCell* cell)
{
if (cell)
m_references.add(cell);
}
void TrackedReferences::add(JSValue value)
{
if (value.isCell())
add(value.asCell());
}
void TrackedReferences::check(JSCell* cell) const
{
if (!cell)
return;
if (m_references.contains(cell))
return;
dataLog("Found untracked reference: ", JSValue(cell), "\n");
dataLog("All tracked references: ", *this, "\n");
RELEASE_ASSERT_NOT_REACHED();
}
void TrackedReferences::check(JSValue value) const
{
if (value.isCell())
check(value.asCell());
}
void TrackedReferences::dump(PrintStream& out) const
{
CommaPrinter comma;
for (JSCell* cell : m_references)
out.print(comma, RawPointer(cell));
}
} // namespace JSC