bytecode/BytecodeIntrinsicRegistry.cpp

   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 #include "config.h"
  27 #include "BytecodeIntrinsicRegistry.h"
  28
  29 #include "CommonIdentifiers.h"
  30 #include "Nodes.h"
  31
  32 namespace JSC {
  33
  34 #define INITIALISE_BYTECODE_INTRINSIC_NAMES_TO_SET(name) m_bytecodeIntrinsicMap.add(propertyNames.name##PrivateName.impl(), &BytecodeIntrinsicNode::emit_intrinsic_##name);
  35
  36 BytecodeIntrinsicRegistry::BytecodeIntrinsicRegistry(const CommonIdentifiers& propertyNames)
  37     : m_propertyNames(propertyNames)
  38     , m_bytecodeIntrinsicMap()
  39 {
  40     JSC_COMMON_BYTECODE_INTRINSICS_EACH_NAME(INITIALISE_BYTECODE_INTRINSIC_NAMES_TO_SET)
  41 }
  42
  43 BytecodeIntrinsicNode::EmitterType BytecodeIntrinsicRegistry::lookup(const Identifier& ident) const
  44 {
  45     if (!m_propertyNames.isPrivateName(ident))
  46         return nullptr;
  47     auto iterator = m_bytecodeIntrinsicMap.find(ident.impl());
  48     if (iterator == m_bytecodeIntrinsicMap.end())
  49         return nullptr;
  50     return iterator->value;
  51 }
  52
  53 } // namespace JSC
  54