profiler/ProfilerBytecode.h

   1 /*
   2  * Copyright (C) 2012 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef ProfilerBytecode_h
  27 #define ProfilerBytecode_h
  28
  29 #include "JSCJSValue.h"
  30 #include "Opcode.h"
  31 #include <wtf/text/CString.h>
  32
  33 namespace JSC { namespace Profiler {
  34
  35 class Bytecode {
  36 public:
  37     Bytecode()
  38         : m_bytecodeIndex(std::numeric_limits<unsigned>::max())
  39     {
  40     }
  41
  42     Bytecode(unsigned bytecodeIndex, OpcodeID opcodeID, const CString& description)
  43         : m_bytecodeIndex(bytecodeIndex)
  44         , m_opcodeID(opcodeID)
  45         , m_description(description)
  46     {
  47     }
  48
  49     unsigned bytecodeIndex() const { return m_bytecodeIndex; }
  50     OpcodeID opcodeID() const { return m_opcodeID; }
  51     const CString& description() const { return m_description; }
  52
  53     JSValue toJS(ExecState*) const;
  54 private:
  55     unsigned m_bytecodeIndex;
  56     OpcodeID m_opcodeID;
  57     CString m_description;
  58 };
  59
  60 inline unsigned getBytecodeIndexForBytecode(Bytecode* bytecode) { return bytecode->bytecodeIndex(); }
  61
  62 } } // namespace JSC::Profiler
  63
  64 #endif // ProfilerBytecode_h
  65