#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.Hll.C;
using Reko.Core.Memory;
using Reko.Core.Services;
using System;
using System.Collections.Generic;
using System.IO;

namespace Reko.Environments.OS2
{
    /// <summary>
    /// <see cref="Platform"/> class representing 32-bit OS/2 versions 2.0 and up. 
    /// </summary>
    /// <remarks>
    /// Yes, the "Warp" may be a bit of a misnomer.
    /// </remarks>
    public class OS2Platform32 : Platform
    {
        public OS2Platform32(IServiceProvider services, IProcessorArchitecture arch) : base(services, arch, "os2-32")
        {
            this.StructureMemberAlignment = 8;
        }

        public override string DefaultCallingConvention => "__cdecl";

        public override CParser CreateCParser(TextReader rdr, ParserState? state)
        {
            state ??= new ParserState();
            var lexer = new CLexer(rdr, CLexer.MsvcKeywords);
            var parser = new CParser(state, lexer);
            return parser;
        }

        public override SystemService? FindService(int vector, ProcessorState? state, IMemory? memory)
        {
            if (vector == 0x21)
            {
                var listener = Services.GetService<IEventListener>();
                if (listener is null)
                    return null;
                listener.Warn($"{state?.InstructionPointer.ToString() ?? "???"}: No support for protected mode MS-DOS in LE executables yet.");
            }
            return null;
        }

        public override int GetBitSizeFromCBasicType(CBasicType cb)
        {
            throw new NotImplementedException();
        }

        public override ExternalProcedure LookupProcedureByName(string? moduleName, string procName)
        {
            throw new NotImplementedException();
        }
    }
}
