profiler/ProfilerBytecodeSequence.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 ProfilerBytecodeSequence_h
  27 #define ProfilerBytecodeSequence_h
  28
  29 #include "JSCJSValue.h"
  30 #include "ProfilerBytecode.h"
  31 #include <wtf/PrintStream.h>
  32 #include <wtf/Vector.h>
  33 #include <wtf/text/CString.h>
  34 #include <wtf/text/WTFString.h>
  35
  36 namespace JSC {
  37
  38 class CodeBlock;
  39
  40 namespace Profiler {
  41
  42 class BytecodeSequence {
  43 public:
  44     BytecodeSequence(CodeBlock*);
  45     ~BytecodeSequence();
  46
  47     // Note that this data structure is not indexed by bytecode index.
  48     unsigned size() const { return m_sequence.size(); }
  49     const Bytecode& at(unsigned i) const { return m_sequence[i]; }
  50
  51     unsigned indexForBytecodeIndex(unsigned bytecodeIndex) const;
  52     const Bytecode& forBytecodeIndex(unsigned bytecodeIndex) const;
  53
  54 protected:
  55     void addSequenceProperties(ExecState*, JSObject*) const;
  56
  57 private:
  58     Vector<CString> m_header;
  59     Vector<Bytecode> m_sequence;
  60 };
  61
  62 } } // namespace JSC::Profiler
  63
  64 #endif // ProfilerBytecodeSequence_h
  65