#region License
/* 
 * Copyright (C) 1999-2024 John Källén.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#endregion

using Reko.Core;
using Reko.Core.Expressions;
using Reko.Core.Machine;
using Reko.Core.Types;


namespace Reko.Arch.Arm.AArch32
{
    public class MemoryOperand : AbstractMachineOperand
    {
        public RegisterStorage? BaseRegister;
        public Constant? Offset;
        public RegisterStorage? Index;
        public Mnemonic ShiftType;
        public int Shift;
        public bool Add;
        public int Scale;
        public bool PreIndex;
        public int Alignment;

        public MemoryOperand(PrimitiveType dataType) : base(dataType)
        {
        }

        protected override void DoRender(MachineInstructionRenderer renderer, MachineInstructionRendererOptions options)
        {
        }
    }

    /// <summary>
    /// Used by AArch32 to express endianness.
    /// </summary>
    public class EndiannessOperand : AbstractMachineOperand
    {
        public EndiannessOperand(bool bigEndian) : base(PrimitiveType.Bool)
        {
            this.BigEndian = bigEndian;
        }

        public bool BigEndian { get; }

        protected override void DoRender(MachineInstructionRenderer renderer, MachineInstructionRendererOptions options)
        {
            renderer.WriteString(BigEndian ? "be" : "le");
        }
    }
}
