bytecode/BytecodeIntrinsicRegistry.h

   1 /*
   2  * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
   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 BytecodeIntrinsicRegistry_h
  27 #define BytecodeIntrinsicRegistry_h
  28
  29 #include "Identifier.h"
  30 #include <wtf/HashTable.h>
  31 #include <wtf/Noncopyable.h>
  32
  33 namespace JSC {
  34
  35 class CommonIdentifiers;
  36 class BytecodeGenerator;
  37 class BytecodeIntrinsicNode;
  38 class RegisterID;
  39
  40 class BytecodeIntrinsicRegistry {
  41     WTF_MAKE_NONCOPYABLE(BytecodeIntrinsicRegistry);
  42 public:
  43     explicit BytecodeIntrinsicRegistry(const CommonIdentifiers&);
  44
  45     typedef RegisterID* (BytecodeIntrinsicNode::* EmitterType)(BytecodeGenerator&, RegisterID*);
  46
  47     EmitterType lookup(const Identifier&) const;
  48
  49 private:
  50     const CommonIdentifiers& m_propertyNames;
  51     HashMap<RefPtr<UniquedStringImpl>, EmitterType, IdentifierRepHash> m_bytecodeIntrinsicMap;
  52 };
  53
  54 } // namespace JSC
  55
  56 #endif // BytecodeIntrinsicRegistry_h