/*
   +----------------------------------------------------------------------+
   | HipHop for PHP                                                       |
   +----------------------------------------------------------------------+
   | Copyright (c) 2010-present 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_APC_LOCAL_ARRAY_DEFS_H_
#define incl_HPHP_APC_LOCAL_ARRAY_DEFS_H_

#include "hphp/runtime/base/apc-local-array.h"
#include "hphp/runtime/base/mixed-array-defs.h"
#include "hphp/runtime/base/memory-manager.h"

namespace HPHP {

//////////////////////////////////////////////////////////////////////

inline APCLocalArray::APCLocalArray(const APCArray* source)
  : ArrayData(kApcKind)
  , m_arr(source)
{
  m_size = m_arr->size();
  source->reference();
  tl_heap->addApcArray(this);
  memset(localCache(), static_cast<data_type_t>(KindOfUninit),
         m_size * sizeof(TypedValue));
  assertx(hasExactlyOneRef());
}

inline size_t APCLocalArray::heapSize() const {
  return sizeof(*this) + m_size * sizeof(TypedValue);
}

inline APCLocalArray* APCLocalArray::Make(const APCArray* aa) {
  auto size = sizeof(APCLocalArray) + aa->size() * sizeof(TypedValue);
  auto local = new (tl_heap->objMalloc(size)) APCLocalArray(aa);
  assertx(local->heapSize() == size);
  return local;
}

ALWAYS_INLINE
APCLocalArray* APCLocalArray::asApcArray(ArrayData* ad) {
  assertx(ad->kind() == kApcKind);
  return static_cast<APCLocalArray*>(ad);
}

ALWAYS_INLINE
const APCLocalArray* APCLocalArray::asApcArray(const ArrayData* ad) {
  assertx(ad->kind() == kApcKind);
  return static_cast<const APCLocalArray*>(ad);
}

inline TypedValue* APCLocalArray::localCache() const {
  return const_cast<TypedValue*>(
    reinterpret_cast<const TypedValue*>(this + 1)
  );
}

inline void APCLocalArray::scan(type_scan::Scanner& scanner) const {
  scanner.scan(*localCache(), m_size * sizeof(TypedValue));
}

//////////////////////////////////////////////////////////////////////

}

#endif
