79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/*
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* Copyright (C) 2014-2021 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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*
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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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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY 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 OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "JSCJSValue.h"
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#include "Structure.h"
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namespace JSC {
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class AbstractSlotVisitor;
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class TypeLocation;
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class TypeProfilerLog {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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struct LogEntry {
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WTF_MAKE_STRUCT_FAST_ALLOCATED;
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public:
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friend class LLIntOffsetsExtractor;
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JSValue value;
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TypeLocation* location;
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StructureID structureID;
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static ptrdiff_t structureIDOffset() { return OBJECT_OFFSETOF(LogEntry, structureID); }
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static ptrdiff_t valueOffset() { return OBJECT_OFFSETOF(LogEntry, value); }
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static ptrdiff_t locationOffset() { return OBJECT_OFFSETOF(LogEntry, location); }
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};
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TypeProfilerLog(VM&);
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~TypeProfilerLog();
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JS_EXPORT_PRIVATE void processLogEntries(VM&, const String&);
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LogEntry* logEndPtr() const { return m_logEndPtr; }
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void visit(AbstractSlotVisitor&);
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static ptrdiff_t logStartOffset() { return OBJECT_OFFSETOF(TypeProfilerLog, m_logStartPtr); }
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static ptrdiff_t currentLogEntryOffset() { return OBJECT_OFFSETOF(TypeProfilerLog, m_currentLogEntryPtr); }
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private:
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friend class LLIntOffsetsExtractor;
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VM& m_vm;
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unsigned m_logSize;
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LogEntry* m_logStartPtr;
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LogEntry* m_currentLogEntryPtr;
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LogEntry* m_logEndPtr;
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};
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} // namespace JSC
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