private void WriteArrayData(Instruction ins)
{
Array elements;
Type elementtype;
int elementsize;
MethodBody.CheckArrayData(ins, out elements, out elementtype, out elementsize);
WriteShort(PseudoOpCodes.Fill_array_data, ref ExtraOffset);
WriteShort(elementsize, ref ExtraOffset);
WriteInt(elements.Length, ref ExtraOffset);
var firstByte = true;
foreach (object element in elements)
{
switch (elementsize)
{
case 1:
if (firstByte)
{
Codes[ExtraOffset++] |= (ushort)((byte)Convert.ToSByte(element));
}
else
{
Codes[ExtraOffset - 1] |= (ushort)((byte)(Convert.ToSByte(element)) << 8);
}
firstByte = !firstByte;
break;
case 2:
WriteShort(element, ref ExtraOffset);
break;
case 4:
WriteInt(element, ref ExtraOffset);
break;
case 8:
WriteLong(element, ref ExtraOffset);
break;
default:
throw new InstructionException(ins, "Unexpected Fill-array-data element size");
}
}
// Align on 4 bytes (2 units)
if (ExtraOffset % 2 != 0)
{
ExtraOffset++;
}
}
private void WriteArrayData(Instruction ins)
{
Array elements;
Type elementtype;
int elementsize;
MethodBody.CheckArrayData(ins, out elements, out elementtype, out elementsize);
WriteShort(PseudoOpCodes.FillArrayData, ref _extraOffset);
WriteShort(elementsize, ref _extraOffset);
WriteInt(elements.Length, ref _extraOffset);
var next = false;
foreach (var element in elements)
{
switch (elementsize)
{
case 1:
if (next)
{
Codes[_extraOffset++] |= (ushort)((byte)(Convert.ToSByte(element)) << 8);
}
else
{
Codes[_extraOffset] |= (byte)Convert.ToSByte(element);
}
next = !next;
break;
case 2:
WriteShort(element, ref _extraOffset);
break;
case 4:
WriteInt(element, ref _extraOffset);
break;
case 8:
WriteLong(element, ref _extraOffset);
break;
default:
throw new InstructionException(ins, "Unexpected Fill-array-data element size");
}
}
if ((elements.Length % 2 != 0) && (elementsize == 1))
{
_extraOffset++;
}
}
