X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/2d39b0e377c0896910ee49ae70082ba665faf986..ed1e77d3adeb83d26fd1dfb16dd84cabdcefd250:/bytecode/TrackedReferences.cpp?ds=inline diff --git a/bytecode/TrackedReferences.cpp b/bytecode/TrackedReferences.cpp new file mode 100644 index 0000000..d98fa97 --- /dev/null +++ b/bytecode/TrackedReferences.cpp @@ -0,0 +1,81 @@ +/* + * 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 "JSCInlines.h" +#include + +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: ", RawPointer(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 +