text: /*
   * Copyright (C) 2013-2019 Apple Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   * THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #pragma once
  
  #include "BytecodeStructs.h"
  #include "CodeBlock.h"
  #include "Instruction.h"
  #include <wtf/Forward.h>
  
  namespace JSC {
  
  void computeUsesForBytecodeIndexImpl(VirtualRegister, const Instruction*, Checkpoint, const ScopedLambda<void(VirtualRegister)>&);
  void computeDefsForBytecodeIndexImpl(unsigned, const Instruction*, Checkpoint, const ScopedLambda<void(VirtualRegister)>&);
  
  template<typename Block, typename Functor>
  void computeUsesForBytecodeIndex(Block* codeBlock, const Instruction* instruction, Checkpoint checkpoint, const Functor& functor)
  {
      OpcodeID opcodeID = instruction->opcodeID();
      if (opcodeID != op_enter && (codeBlock->wasCompiledWithDebuggingOpcodes() || codeBlock->usesEval()) && codeBlock->scopeRegister().isValid())
          functor(codeBlock->scopeRegister());
  
      computeUsesForBytecodeIndexImpl(codeBlock->scopeRegister(), instruction, checkpoint, scopedLambda<void(VirtualRegister)>(functor));
  }
  
  template<typename Block, typename Functor>
  void computeDefsForBytecodeIndex(Block* codeBlock, const Instruction* instruction, Checkpoint checkpoint, const Functor& functor)
  {
      computeDefsForBytecodeIndexImpl(codeBlock->numVars(), instruction, checkpoint, scopedLambda<void(VirtualRegister)>(functor));
  }
  
  #undef CALL_FUNCTOR
  #undef USES_OR_DEFS
  #undef USES
  #undef DEFS
  } // namespace JSC
  