Method Realloc

src/Array.cpp:150–202

void ArrayBase::Realloc(int inSize) const
{
   // Try to detect "push" case vs resizing to big array size explicitly by looking at gap
   bool pushCase = (inSize<=mAlloc + 16);
   if (!pushCase)
   {
      reserve(inSize);
   }
   else if (pushCase)
   {
      int newAlloc = inSize;
      unsigned int elemSize = GetElementSize();
      unsigned int minBytes = inSize*elemSize + 8;
      unsigned int roundup = 64;
      while(roundup<minBytes)
         roundup<<=1;

      if (roundup>64)
      {
         int half = 3*(roundup>>2);
         if (minBytes<half)
            roundup = half;
      }
      unsigned int bytes = roundup-8;

      if (mBase)
      {
         bool wasUnamanaged = mAlloc<0;
         if (wasUnamanaged)
         {
            char *base=(char *)hx::InternalNew(bytes,false);
            memcpy(base,mBase,length*elemSize);
            mBase = base;
         }
         else
         {
            mBase = (char *)hx::InternalRealloc(length*elemSize,mBase, bytes, true);
            int o = bytes;
            bytes = hx::ObjectSizeSafe(mBase);
         }
      }
      else
      {
         mBase = (char *)hx::InternalNew(bytes,false);
         #ifdef HXCPP_TELEMETRY
         __hxt_new_array(mBase, bytes);
         #endif
      }

      mAlloc = bytes/elemSize;
      HX_OBJ_WB_GET(const_cast<ArrayBase *>(this),mBase);
   }
}

// Set numeric values to 0, pointers to null, bools to false
void ArrayBase::zero(Dynamic inFirst, Dynamic inCount)