text: /*
     +----------------------------------------------------------------------+
     | HipHop for PHP                                                       |
     +----------------------------------------------------------------------+
     | Copyright (c) 2010-2014 Facebook, Inc. (http://www.facebook.com)     |
     +----------------------------------------------------------------------+
     | This source file is subject to version 3.01 of the PHP license,      |
     | that is bundled with this package in the file LICENSE, and is        |
     | available through the world-wide-web at the following url:           |
     | http://www.php.net/license/3_01.txt                                  |
     | If you did not receive a copy of the PHP license and are unable to   |
     | obtain it through the world-wide-web, please send a note to          |
     | license@php.net so we can mail you a copy immediately.               |
     +----------------------------------------------------------------------+
  */
  
  #ifndef incl_HPHP_TRANSLATOR_INLINE_H_
  #define incl_HPHP_TRANSLATOR_INLINE_H_
  
  #include <boost/noncopyable.hpp>
  
  #include "hphp/runtime/vm/vm-regs.h"
  #include "hphp/runtime/vm/jit/translator.h"
  #include "hphp/runtime/base/execution-context.h"
  
  /*
   * Because of a circular dependence with ExecutionContext, these
   * translation-related helpers cannot live in translator.h.
   */
  namespace HPHP   {
  
  inline ActRec* liveFrame()    { return vmfp(); }
  inline const Func* liveFunc() { return liveFrame()->m_func; }
  inline const Unit* liveUnit() { return liveFunc()->unit(); }
  inline Class* liveClass() { return liveFunc()->cls(); }
  inline bool liveResumed() { return liveFrame()->resumed(); }
  
  inline Offset liveSpOff() {
    Cell* fp = reinterpret_cast<Cell*>(vmfp());
    if (liveFrame()->resumed()) {
      fp = (Cell*)Stack::resumableStackBase((ActRec*)fp);
    }
    return fp - vmsp();
  }
  
  namespace jit {
  
  inline int cellsToBytes(int nCells) {
    return safe_cast<int32_t>(nCells * ssize_t(sizeof(Cell)));
  }
  
  inline int localOffset(int locId) {
    return -cellsToBytes(locId + 1);
  }
  
  } } // HPHP::jit
  
  #endif
  