using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Indy.IL2CPU.Assembler.X86 {
    public class InstructionWithDestinationAndSize : InstructionWithDestination {
        public static string SizeToString(byte aSize) {
            switch (aSize) {
                case 8:
                    return "byte";
                case 16:
                    return "word";
                case 32:
                    return "dword";
                case 64:
                    return "qword";
                default:
                    throw new Exception("Invalid size: " + aSize);
            }
        }


        private void DetermineSize() {
            if (mSize == 0) {
                if (DestinationReg != Guid.Empty && !DestinationIsIndirect) {
                    if (Registers.Is16Bit(DestinationReg)) {
                        Size = 16;
                    } else {
                        if (Registers.Is32Bit(DestinationReg)) {
                            Size = 32;
                        } else {
                            Size = 8;
                        }
                    }
                    return;
                }
                if (DestinationRef != null && !DestinationIsIndirect) {
                    Size = 32;
                    return;
                }
            }
        }
        private byte mSize;
        public byte Size {
            get { return mSize; }
            set {
                if (value > 0) {
                    SizeToString(value);
                }
                mSize = value;
            }
        }
    }
}