CastReferenceToEnumInstruction.cs

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using System.Dynamic.Utils;
 
namespace System.Linq.Expressions.Interpreter;
 
internal sealed class CastReferenceToEnumInstruction : CastInstruction
{
    private readonly Type _t;
 
    public CastReferenceToEnumInstruction(Type t)
    {
        _t = t;
    }
 
    public override int Run(InterpretedFrame frame)
    {
        object obj = frame.Pop();
        switch (_t.GetTypeCode())
        {
        case TypeCode.Int32:
            frame.Push(Enum.ToObject(_t, (int)obj));
            break;
        case TypeCode.Int64:
            frame.Push(Enum.ToObject(_t, (long)obj));
            break;
        case TypeCode.UInt32:
            frame.Push(Enum.ToObject(_t, (uint)obj));
            break;
        case TypeCode.UInt64:
            frame.Push(Enum.ToObject(_t, (ulong)obj));
            break;
        case TypeCode.Byte:
            frame.Push(Enum.ToObject(_t, (byte)obj));
            break;
        case TypeCode.SByte:
            frame.Push(Enum.ToObject(_t, (sbyte)obj));
            break;
        case TypeCode.Int16:
            frame.Push(Enum.ToObject(_t, (short)obj));
            break;
        case TypeCode.UInt16:
            frame.Push(Enum.ToObject(_t, (ushort)obj));
            break;
        case TypeCode.Char:
            frame.Push(Enum.ToObject(_t, (char)obj));
            break;
        default:
            frame.Push(Enum.ToObject(_t, (bool)obj));
            break;
        }
        return 1;
    }
}