#region License
/* 
 * Copyright (C) 2017-2022 Christian Hostelet.
 * inspired by work from:
 * Copyright (C) 1999-2022 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 System.Collections.Generic;

namespace Reko.Arch.MicrochipPIC.PIC18
{
    using Common;
    using Reko.Core.Memory;

    internal abstract class PIC18ProcessorModel : PICProcessorModel
    {
        public override void CreateMemoryDescriptor()
            => PIC18MemoryDescriptor.Create(PICDescriptor);

        public override PICRewriter CreateRewriter(PICArchitecture arch, PICDisassemblerBase dasm, PICProcessorState state, IStorageBinder binder, IRewriterHost host)
            => PIC18LegacyRewriter.Create(arch, dasm, state, binder, host);

        public override Address MakeAddressFromConstant(Constant c)
            => Address.Ptr32(c.ToUInt32());

        public override PICProcessorState CreateProcessorState(PICArchitecture arch)
            => new PIC18State(arch);

        public override Address CreateBankedAddress(byte bsrReg, byte offset)
            => Address.Ptr16((ushort)((bsrReg << 8) + offset));

        public override PICPointerScanner CreatePointerScanner(EndianImageReader rdr, HashSet<uint> knownLinAddresses, PointerScannerFlags flags)
            => new PIC18PointerScanner(rdr, knownLinAddresses, flags);

    }


    internal class PIC18LegacyModel : PIC18ProcessorModel
    {
        public override PICDisassemblerBase CreateDisassembler(PICArchitecture arch, EndianImageReader rdr)
            => PIC18LegacyDisasm.Create(arch, rdr);

        public override void CreateRegisters()
            => PIC18LegacyRegisters.Create(PICDescriptor);

        public override PICRewriter CreateRewriter(PICArchitecture arch, PICDisassemblerBase dasm, PICProcessorState state, IStorageBinder binder, IRewriterHost host)
            => PIC18LegacyRewriter.Create(arch, dasm, state, binder, host);

    }

    internal class PIC18EggModel : PIC18ProcessorModel
    {
        public override PICDisassemblerBase CreateDisassembler(PICArchitecture arch, EndianImageReader rdr)
            => PIC18EggDisasm.Create(arch, rdr);

        public override void CreateRegisters()
            => PIC18EggRegisters.Create(PICDescriptor);

        public override PICRewriter CreateRewriter(PICArchitecture arch, PICDisassemblerBase dasm, PICProcessorState state, IStorageBinder binder, IRewriterHost host)
            => PIC18EggRewriter.Create(arch, dasm, state, binder, host);

    }

    internal class PIC18EnhancedModel : PIC18ProcessorModel
    {
        public override PICDisassemblerBase CreateDisassembler(PICArchitecture arch, EndianImageReader rdr)
            => PIC18EnhancedDisasm.Create(arch, rdr);

        public override void CreateRegisters()
            => PIC18EnhancedRegisters.Create(PICDescriptor);

        public override PICRewriter CreateRewriter(PICArchitecture arch, PICDisassemblerBase dasm, PICProcessorState state, IStorageBinder binder, IRewriterHost host)
            => PIC18EnhancedRewriter.Create(arch, dasm, state, binder, host);

    }

}
