/* * Copyright (C) 2014 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. * 3. Neither the name of Apple Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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. */ #ifndef TypeProfilerLog_h #define TypeProfilerLog_h #include "JSCJSValue.h" #include "Structure.h" #include "TypeProfiler.h" #include <wtf/ByteSpinLock.h> namespace JSC { class TypeLocation; class TypeProfilerLog { public: struct LogEntry { public: friend class LLIntOffsetsExtractor; JSValue value; TypeLocation* location; StructureID structureID; static ptrdiff_t structureIDOffset() { return OBJECT_OFFSETOF(LogEntry, structureID); } static ptrdiff_t valueOffset() { return OBJECT_OFFSETOF(LogEntry, value); } static ptrdiff_t locationOffset() { return OBJECT_OFFSETOF(LogEntry, location); } }; TypeProfilerLog() : m_logStartPtr(0) { initializeLog(); } ~TypeProfilerLog(); JS_EXPORT_PRIVATE void processLogEntries(const String&); LogEntry* logEndPtr() const { return m_logEndPtr; } static ptrdiff_t logStartOffset() { return OBJECT_OFFSETOF(TypeProfilerLog, m_logStartPtr); } static ptrdiff_t currentLogEntryOffset() { return OBJECT_OFFSETOF(TypeProfilerLog, m_currentLogEntryPtr); } private: friend class LLIntOffsetsExtractor; void initializeLog(); unsigned m_logSize; LogEntry* m_logStartPtr; LogEntry* m_currentLogEntryPtr; LogEntry* m_logEndPtr; }; } // namespace JSC #endif // TypeProfilerLog_h