/// <summary>
/// We compute index in array.
/// </summary>
/// <param name="array"></param>
/// <param name="index"></param>
/// <returns></returns>
public Operand IndexInArray([NotNull] Operand array, [NotNull] Operand index)
{
// We optimize if array is fixed.
if (array.IsFixed)
{
// TODO: for now ignore.
}
// We can perform some validation if array size is known.
if (index.IsFixed && array.ArraySize != Pin.DynamicArray)
{
// We allow UInt and Int indices.
if (index.Format == PinFormat.Integer)
{
if ((int)index.Value < 0 || (int)index.Value >= array.ArraySize)
{
throw new IndexOutOfRangeException("Access out of range is detected at compile time.");
}
}
else if (index.Format == PinFormat.Integerx2)
{
if ((uint)index.Value >= array.ArraySize)
{
throw new IndexOutOfRangeException("Access out of range is detected at compile time.");
}
}
}
// We emit operation.
Operand ret = CreateTemporary(array.Format, Pin.NotArray);
compiler.IndexInArray(array.Name, index.Name, ret.Name);
return(ret);
}
