ftl/FTLExitTimeObjectMaterialization.h

   1 /*
   2  * Copyright (C) 2014, 2015 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 FTLExitTimeObjectMaterialization_h
  27 #define FTLExitTimeObjectMaterialization_h
  28
  29 #if ENABLE(FTL_JIT)
  30
  31 #include "DFGNodeType.h"
  32 #include "FTLExitPropertyValue.h"
  33 #include "FTLExitValue.h"
  34 #include <wtf/Noncopyable.h>
  35
  36 namespace JSC {
  37
  38 class TrackedReferences;
  39
  40 namespace FTL {
  41
  42 class ExitTimeObjectMaterialization {
  43     WTF_MAKE_NONCOPYABLE(ExitTimeObjectMaterialization)
  44 public:
  45     ExitTimeObjectMaterialization(DFG::NodeType, CodeOrigin);
  46     ~ExitTimeObjectMaterialization();
  47
  48     void add(DFG::PromotedLocationDescriptor, const ExitValue&);
  49
  50     DFG::NodeType type() const { return m_type; }
  51     CodeOrigin origin() const { return m_origin; }
  52
  53     ExitValue get(DFG::PromotedLocationDescriptor) const;
  54     const Vector<ExitPropertyValue>& properties() const { return m_properties; }
  55
  56     void accountForLocalsOffset(int offset);
  57
  58     void dump(PrintStream& out) const;
  59
  60     void validateReferences(const TrackedReferences&) const;
  61
  62 private:
  63     DFG::NodeType m_type;
  64     CodeOrigin m_origin;
  65     Vector<ExitPropertyValue> m_properties;
  66 };
  67
  68 } } // namespace JSC::FTL
  69
  70 #endif // ENABLE(FTL_JIT)
  71
  72 #endif // FTLExitTimeObjectMaterialization_h
  73