private static DynamicCastPrototype DecodeDynamicCast(IReadOnlyList <LNode> data, DecoderState state)
{
var targetType = state.DecodeType(data[0]);
if (targetType is PointerType)
{
return(DynamicCastPrototype.Create((PointerType)targetType));
}
else
{
state.Log.LogSyntaxError(
data[0],
new Text("expected a pointer type."));
return(null);
}
}
private static IReadOnlyList <LNode> EncodeDynamicCast(DynamicCastPrototype value, EncoderState state)
{
return(new LNode[] { state.Encode(value.TargetType) });
}
/// <summary>
/// Creates a dynamic cast instruction that converts
/// from one pointer type to another.
/// </summary>
/// <param name="targetType">
/// A type to convert operands to.
/// </param>
/// <param name="operand">
/// An operand to convert to the target type.
/// </param>
/// <returns>
/// A dynamic cast instruction.
/// </returns>
public static Instruction CreateDynamicCast(
PointerType targetType, ValueTag operand)
{
return(DynamicCastPrototype.Create(targetType).Instantiate(operand));
}
