hphp/runtime/base/apc-local-array-defs.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com)     |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16 #ifndef incl_HPHP_APC_LOCAL_ARRAY_DEFS_H_
  17 #define incl_HPHP_APC_LOCAL_ARRAY_DEFS_H_
  18
  19 #include "hphp/runtime/base/apc-local-array.h"
  20 #include "hphp/runtime/base/mixed-array-defs.h"
  21 #include "hphp/runtime/base/memory-manager.h"
  22
  23 namespace HPHP {
  24
  25 //////////////////////////////////////////////////////////////////////
  26
  27 inline APCLocalArray::APCLocalArray(const APCArray* source)
  28   : ArrayData(kApcKind)
  29   , m_arr(source)
  30 {
  31   m_size = m_arr->size();
  32   source->reference();
  33   tl_heap->addApcArray(this);
  34   memset(localCache(), KindOfUninit, m_size * sizeof(TypedValue));
  35   assert(hasExactlyOneRef());
  36 }
  37
  38 inline size_t APCLocalArray::heapSize() const {
  39   return sizeof(*this) + m_size * sizeof(TypedValue);
  40 }
  41
  42 inline APCLocalArray* APCLocalArray::Make(const APCArray* aa) {
  43   auto size = sizeof(APCLocalArray) + aa->size() * sizeof(TypedValue);
  44   auto local = new (tl_heap->objMalloc(size)) APCLocalArray(aa);
  45   assert(local->heapSize() == size);
  46   return local;
  47 }
  48
  49 ALWAYS_INLINE
  50 APCLocalArray* APCLocalArray::asApcArray(ArrayData* ad) {
  51   assert(ad->kind() == kApcKind);
  52   return static_cast<APCLocalArray*>(ad);
  53 }
  54
  55 ALWAYS_INLINE
  56 const APCLocalArray* APCLocalArray::asApcArray(const ArrayData* ad) {
  57   assert(ad->kind() == kApcKind);
  58   return static_cast<const APCLocalArray*>(ad);
  59 }
  60
  61 inline TypedValue* APCLocalArray::localCache() const {
  62   return const_cast<TypedValue*>(
  63     reinterpret_cast<const TypedValue*>(this + 1)
  64   );
  65 }
  66
  67 inline void APCLocalArray::scan(type_scan::Scanner& scanner) const {
  68   scanner.scan(*localCache(), m_size * sizeof(TypedValue));
  69 }
  70
  71 //////////////////////////////////////////////////////////////////////
  72
  73 }
  74
  75 #endif