private void AddResourceFile(ResInfo resinfo, Hashtable resources, Hashtable resourceFiles, VsaEngine engine){
   if (!File.Exists(resinfo.fullpath))
     throw new CmdLineException(CmdLineError.ManagedResourceNotFound, resinfo.filename, engine.ErrorCultureInfo);
   // duplicate resource references are an error - either linking and embedding the same
   // file, naming two resources the same, or linking or embedding a file more than once
   if (resourceFiles[resinfo.fullpath] != null)
     throw new CmdLineException(CmdLineError.DuplicateResourceFile, resinfo.filename, engine.ErrorCultureInfo);
   if (resources[resinfo.name] != null)
     throw new CmdLineException(CmdLineError.DuplicateResourceName, resinfo.name, engine.ErrorCultureInfo);
   resources[resinfo.name] = resinfo;
   resourceFiles[resinfo.fullpath] = resinfo;
 }
 private void AddResourceFile(ResInfo resinfo, Hashtable resources, Hashtable resourceFiles, VsaEngine engine)
 {
     if (!File.Exists(resinfo.fullpath))
     {
         throw new CmdLineException(CmdLineError.ManagedResourceNotFound, resinfo.filename, engine.ErrorCultureInfo);
     }
     if (resourceFiles[resinfo.fullpath] != null)
     {
         throw new CmdLineException(CmdLineError.DuplicateResourceFile, resinfo.filename, engine.ErrorCultureInfo);
     }
     if (resources[resinfo.name] != null)
     {
         throw new CmdLineException(CmdLineError.DuplicateResourceName, resinfo.name, engine.ErrorCultureInfo);
     }
     resources[resinfo.name] = resinfo;
     resourceFiles[resinfo.fullpath] = resinfo;
 }
        private void ParseCompilerOptions(VsaEngine engine, StringCollection args, TextWriter output, bool generateExe)
        {
            string environmentVariable = Environment.GetEnvironmentVariable("LIB");
            bool flag = false;
            Hashtable defines = new Hashtable(10);
            Hashtable resources = new Hashtable(10);
            Hashtable resourceFiles = new Hashtable(10);
            bool flag2 = false;
            StringBuilder builder = null;
            if (this.debugCommandLine != null)
            {
                builder = new StringBuilder(this.debugCommandLine);
            }
            string str2 = (Path.DirectorySeparatorChar == '/') ? "-" : "/";
            int num = 0;
            int count = args.Count;
            while (num < count)
            {
                object obj2;
                string str4 = args[num];
                if ((str4 == null) || (str4.Length == 0))
                {
                    goto Label_09C7;
                }
                if (str4[0] == '@')
                {
                    throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "@<filename>", engine.ErrorCultureInfo);
                }
                if (('-' != str4[0]) && (('/' != str4[0]) || (Path.DirectorySeparatorChar == '/')))
                {
                    break;
                }
                string option = str4.Substring(1);
                if (option.Length > 0)
                {
                    switch (option[0])
                    {
                        case '?':
                            throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/?", engine.ErrorCultureInfo);

                        case 'A':
                        case 'a':
                            goto Label_01DE;

                        case 'C':
                        case 'c':
                            goto Label_0223;

                        case 'D':
                        case 'd':
                            goto Label_024E;

                        case 'F':
                        case 'f':
                            goto Label_02F5;

                        case 'L':
                        case 'l':
                            goto Label_033A;

                        case 'N':
                        case 'n':
                            goto Label_0488;

                        case 'O':
                        case 'o':
                            goto Label_04DB;

                        case 'P':
                        case 'p':
                            goto Label_0506;

                        case 'R':
                        case 'r':
                            goto Label_0631;

                        case 'T':
                        case 't':
                            goto Label_06AD;

                        case 'U':
                        case 'u':
                            goto Label_07C8;

                        case 'V':
                        case 'v':
                            goto Label_07F3;

                        case 'W':
                        case 'w':
                            goto Label_0838;
                    }
                }
                goto Label_09B4;
            Label_01DE:
                obj2 = CmdLineOptionParser.IsBooleanOption(option, "autoref");
                if (obj2 == null)
                {
                    goto Label_09B4;
                }
                engine.SetOption("autoref", obj2);
                if (builder != null)
                {
                    builder.Append(str4);
                    builder.Append(" ");
                }
                goto Label_09C7;
            Label_0223:
                if (CmdLineOptionParser.IsArgumentOption(option, "codepage") == null)
                {
                    goto Label_09B4;
                }
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/codepage:<id>", engine.ErrorCultureInfo);
            Label_024E:
                obj2 = CmdLineOptionParser.IsBooleanOption(option, "debug");
                if (obj2 != null)
                {
                    engine.GenerateDebugInfo = (bool) obj2;
                    if (builder != null)
                    {
                        builder.Append(str4);
                        builder.Append(" ");
                    }
                }
                else
                {
                    obj2 = CmdLineOptionParser.IsArgumentOption(option, "d", "define");
                    if (obj2 == null)
                    {
                        goto Label_09B4;
                    }
                    this.GetAllDefines((string) obj2, defines, engine);
                    if (builder != null)
                    {
                        builder.Append(str2 + "d:\"");
                        builder.Append((string) obj2);
                        builder.Append("\" ");
                    }
                }
                goto Label_09C7;
            Label_02F5:
                obj2 = CmdLineOptionParser.IsBooleanOption(option, "fast");
                if (obj2 == null)
                {
                    goto Label_09B4;
                }
                engine.SetOption("fast", obj2);
                if (builder != null)
                {
                    builder.Append(str4);
                    builder.Append(" ");
                }
                goto Label_09C7;
            Label_033A:
                obj2 = CmdLineOptionParser.IsArgumentOption(option, "lcid");
                if (obj2 != null)
                {
                    if (((string) obj2).Length == 0)
                    {
                        throw new CmdLineException(CmdLineError.NoLocaleID, str4, engine.ErrorCultureInfo);
                    }
                    try
                    {
                        engine.LCID = int.Parse((string) obj2, CultureInfo.InvariantCulture);
                        goto Label_09C7;
                    }
                    catch
                    {
                        throw new CmdLineException(CmdLineError.InvalidLocaleID, (string) obj2, engine.ErrorCultureInfo);
                    }
                }
                obj2 = CmdLineOptionParser.IsArgumentOption(option, "lib");
                if (obj2 != null)
                {
                    string str5 = (string) obj2;
                    if (str5.Length == 0)
                    {
                        throw new CmdLineException(CmdLineError.MissingLibArgument, engine.ErrorCultureInfo);
                    }
                    environmentVariable = str5.Replace(',', Path.PathSeparator) + Path.PathSeparator + environmentVariable;
                    if (builder != null)
                    {
                        builder.Append(str2 + "lib:\"");
                        builder.Append((string) obj2);
                        builder.Append("\" ");
                    }
                    goto Label_09C7;
                }
                obj2 = CmdLineOptionParser.IsArgumentOption(option, "linkres", "linkresource");
                if (obj2 == null)
                {
                    goto Label_09B4;
                }
                try
                {
                    ResInfo resinfo = new ResInfo((string) obj2, true);
                    this.AddResourceFile(resinfo, resources, resourceFiles, engine);
                    goto Label_09C7;
                }
                catch (CmdLineException)
                {
                    throw;
                }
                catch
                {
                    throw new CmdLineException(CmdLineError.ManagedResourceNotFound, engine.ErrorCultureInfo);
                }
            Label_0488:
                if (CmdLineOptionParser.IsBooleanOption(option, "nologo") != null)
                {
                    throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/nologo[+|-]", engine.ErrorCultureInfo);
                }
                if (CmdLineOptionParser.IsBooleanOption(option, "nostdlib") == null)
                {
                    goto Label_09B4;
                }
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/nostdlib[+|-]", engine.ErrorCultureInfo);
            Label_04DB:
                if (CmdLineOptionParser.IsArgumentOption(option, "out") == null)
                {
                    goto Label_09B4;
                }
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/out:<filename>", engine.ErrorCultureInfo);
            Label_0506:
                obj2 = CmdLineOptionParser.IsBooleanOption(option, "print");
                if (obj2 != null)
                {
                    engine.SetOption("print", obj2);
                    if (builder != null)
                    {
                        builder.Append(str4);
                        builder.Append(" ");
                    }
                }
                else
                {
                    PortableExecutableKinds iLOnly;
                    ImageFileMachine machine;
                    obj2 = CmdLineOptionParser.IsArgumentOption(option, "platform");
                    if (obj2 == null)
                    {
                        goto Label_09B4;
                    }
                    string strA = (string) obj2;
                    if (string.Compare(strA, "x86", StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        iLOnly = PortableExecutableKinds.Required32Bit | PortableExecutableKinds.ILOnly;
                        machine = ImageFileMachine.I386;
                    }
                    else if (string.Compare(strA, "Itanium", StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        iLOnly = PortableExecutableKinds.PE32Plus | PortableExecutableKinds.ILOnly;
                        machine = ImageFileMachine.IA64;
                    }
                    else if (string.Compare(strA, "x64", StringComparison.OrdinalIgnoreCase) == 0)
                    {
                        iLOnly = PortableExecutableKinds.PE32Plus | PortableExecutableKinds.ILOnly;
                        machine = ImageFileMachine.AMD64;
                    }
                    else
                    {
                        if (string.Compare(strA, "anycpu", StringComparison.OrdinalIgnoreCase) != 0)
                        {
                            throw new CmdLineException(CmdLineError.InvalidPlatform, (string) obj2, engine.ErrorCultureInfo);
                        }
                        iLOnly = PortableExecutableKinds.ILOnly;
                        machine = ImageFileMachine.I386;
                    }
                    engine.SetOption("PortableExecutableKind", iLOnly);
                    engine.SetOption("ImageFileMachine", machine);
                    if (builder != null)
                    {
                        builder.Append(str4);
                        builder.Append(" ");
                    }
                }
                goto Label_09C7;
            Label_0631:
                if (CmdLineOptionParser.IsArgumentOption(option, "r", "reference") != null)
                {
                    throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/r[eference]:<file list>", engine.ErrorCultureInfo);
                }
                obj2 = CmdLineOptionParser.IsArgumentOption(option, "res", "resource");
                if (obj2 == null)
                {
                    goto Label_09B4;
                }
                try
                {
                    ResInfo info2 = new ResInfo((string) obj2, false);
                    this.AddResourceFile(info2, resources, resourceFiles, engine);
                    goto Label_09C7;
                }
                catch (CmdLineException)
                {
                    throw;
                }
                catch
                {
                    throw new CmdLineException(CmdLineError.ManagedResourceNotFound, engine.ErrorCultureInfo);
                }
            Label_06AD:
                obj2 = CmdLineOptionParser.IsArgumentOption(option, "t", "target");
                if (obj2 == null)
                {
                    goto Label_09B4;
                }
                if (string.Compare((string) obj2, "exe", StringComparison.OrdinalIgnoreCase) == 0)
                {
                    if (!generateExe)
                    {
                        throw new CmdLineException(CmdLineError.IncompatibleTargets, str4, engine.ErrorCultureInfo);
                    }
                    if (flag2)
                    {
                        throw new CmdLineException(CmdLineError.MultipleTargets, engine.ErrorCultureInfo);
                    }
                    flag2 = true;
                }
                else if (string.Compare((string) obj2, "winexe", StringComparison.OrdinalIgnoreCase) == 0)
                {
                    if (!generateExe)
                    {
                        throw new CmdLineException(CmdLineError.IncompatibleTargets, str4, engine.ErrorCultureInfo);
                    }
                    if (flag2)
                    {
                        throw new CmdLineException(CmdLineError.MultipleTargets, engine.ErrorCultureInfo);
                    }
                    engine.SetOption("PEFileKind", PEFileKinds.WindowApplication);
                    flag = true;
                    flag2 = true;
                }
                else
                {
                    if (string.Compare((string) obj2, "library", StringComparison.OrdinalIgnoreCase) != 0)
                    {
                        throw new CmdLineException(CmdLineError.InvalidTarget, (string) obj2, engine.ErrorCultureInfo);
                    }
                    if (generateExe)
                    {
                        throw new CmdLineException(CmdLineError.IncompatibleTargets, engine.ErrorCultureInfo);
                    }
                    if (flag2)
                    {
                        throw new CmdLineException(CmdLineError.MultipleTargets, engine.ErrorCultureInfo);
                    }
                    flag2 = true;
                }
                goto Label_09C7;
            Label_07C8:
                if (CmdLineOptionParser.IsArgumentOption(option, "utf8output") == null)
                {
                    goto Label_09B4;
                }
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/utf8output[+|-]", engine.ErrorCultureInfo);
            Label_07F3:
                obj2 = CmdLineOptionParser.IsBooleanOption(option, "VersionSafe");
                if (obj2 == null)
                {
                    goto Label_09B4;
                }
                engine.SetOption("VersionSafe", obj2);
                if (builder != null)
                {
                    builder.Append(str4);
                    builder.Append(" ");
                }
                goto Label_09C7;
            Label_0838:
                obj2 = CmdLineOptionParser.IsArgumentOption(option, "w", "warn");
                if (obj2 != null)
                {
                    if (((string) obj2).Length == 0)
                    {
                        throw new CmdLineException(CmdLineError.NoWarningLevel, str4, engine.ErrorCultureInfo);
                    }
                    if (((string) obj2).Length == 1)
                    {
                        if (builder != null)
                        {
                            builder.Append(str4);
                            builder.Append(" ");
                        }
                        switch (((string) obj2)[0])
                        {
                            case '0':
                                engine.SetOption("WarningLevel", 0);
                                goto Label_09C7;

                            case '1':
                                engine.SetOption("WarningLevel", 1);
                                goto Label_09C7;

                            case '2':
                                engine.SetOption("WarningLevel", 2);
                                goto Label_09C7;

                            case '3':
                                engine.SetOption("WarningLevel", 3);
                                goto Label_09C7;

                            case '4':
                                engine.SetOption("WarningLevel", 4);
                                goto Label_09C7;
                        }
                    }
                    throw new CmdLineException(CmdLineError.InvalidWarningLevel, str4, engine.ErrorCultureInfo);
                }
                obj2 = CmdLineOptionParser.IsBooleanOption(option, "warnaserror");
                if (obj2 != null)
                {
                    engine.SetOption("warnaserror", obj2);
                    if (builder != null)
                    {
                        builder.Append(str4);
                        builder.Append(" ");
                    }
                    goto Label_09C7;
                }
                if (CmdLineOptionParser.IsArgumentOption(option, "win32res") != null)
                {
                    throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/win32res:<filename>", engine.ErrorCultureInfo);
                }
            Label_09B4:
                throw new CmdLineException(CmdLineError.UnknownOption, str4, engine.ErrorCultureInfo);
            Label_09C7:
                num++;
            }
            if (builder != null)
            {
                if (generateExe)
                {
                    if (flag)
                    {
                        builder.Append(str2 + "t:winexe ");
                    }
                    else
                    {
                        builder.Append(str2 + "t:exe ");
                    }
                }
                else
                {
                    builder.Append(str2 + "t:library ");
                }
                this.debugCommandLine = builder.ToString();
            }
            engine.SetOption("libpath", environmentVariable);
            engine.SetOption("defines", defines);
        }
      private void ParseCompilerOptions(VsaEngine engine, StringCollection args, TextWriter output, bool generateExe){
        // Process compiler options and return command line fragment to complete the partial debug command line
        // that was formed by examining the CompilerParameters structure only.
        string libpath = System.Environment.GetEnvironmentVariable("LIB");
        bool generateWinExe = false;
        Hashtable defines = new Hashtable(10);
        Hashtable resources = new Hashtable(10);
        Hashtable resourceFiles = new Hashtable(10);
        bool targetSpecified = false;

        StringBuilder fullCmdLine = null;
        if (this.debugCommandLine != null)
          fullCmdLine = new StringBuilder(this.debugCommandLine);

        // if '/' separates dir, use '-' as switch
        string cmdLineSwitch = Path.DirectorySeparatorChar == '/' ? "-" : "/" ;

        for (int i = 0, n = args.Count; i < n; i++){
          object argument;
          string option;

          string arg = args[i];
          if (arg == null || arg.Length == 0) continue;

          if (arg[0] == '@')
            throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "@<filename>", engine.ErrorCultureInfo);
         
          // slash ('/') character is a valid filename character on UNIX, so we can't use it as a switch
          if ('-' != arg[0] && ('/' != arg[0] || Path.DirectorySeparatorChar == '/'))
            break;

          option = arg.Substring(1);

          if (option.Length > 0){
            switch (option[0]){
            case '?':
              throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/?", engine.ErrorCultureInfo);
            case 'a':
            case 'A':
              argument = CmdLineOptionParser.IsBooleanOption(option, "autoref");
              if (argument != null){
                engine.SetOption("autoref", argument);
                if (fullCmdLine != null){
                  fullCmdLine.Append(arg);
                  fullCmdLine.Append(" ");
                }
                continue;
              }
              break;
            case 'c':
            case 'C':
              argument = CmdLineOptionParser.IsArgumentOption(option, "codepage");
              if (argument != null)
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/codepage:<id>", engine.ErrorCultureInfo);
              break;
            case 'd':
            case 'D':
              argument = CmdLineOptionParser.IsBooleanOption(option, "debug");
              if (argument != null){
                engine.GenerateDebugInfo = (bool)argument;
                if (fullCmdLine != null){
                  fullCmdLine.Append(arg);
                  fullCmdLine.Append(" ");
                }
                continue;                        
              }
              argument = CmdLineOptionParser.IsArgumentOption(option, "d", "define");
              if (argument != null){
                this.GetAllDefines((string)argument, defines, engine);
                if (fullCmdLine != null){
                  fullCmdLine.Append(cmdLineSwitch + "d:\"");
                  fullCmdLine.Append((string)argument);
                  fullCmdLine.Append("\" ");
                }
                continue;
              }
              break;
            case 'f':
            case 'F':
              argument = CmdLineOptionParser.IsBooleanOption(option, "fast");
              if (argument != null){
                engine.SetOption("fast", argument);
                if (fullCmdLine != null){
                  fullCmdLine.Append(arg);
                  fullCmdLine.Append(" ");
                }
                continue;
              }
              break;
            case 'l':
            case 'L':
              argument = CmdLineOptionParser.IsArgumentOption(option, "lcid");
              if (argument != null){
                if (((string)argument).Length == 0)
                  throw new CmdLineException(CmdLineError.NoLocaleID, arg, engine.ErrorCultureInfo);
                try{
                  engine.LCID = Int32.Parse((string)argument, CultureInfo.InvariantCulture);
                }catch{
                  throw new CmdLineException(CmdLineError.InvalidLocaleID, (string)argument, engine.ErrorCultureInfo);
                }
                continue;
              }
              argument = CmdLineOptionParser.IsArgumentOption(option, "lib");
              if (argument != null){
                string newPaths = (string)argument;
                if (newPaths.Length == 0)
                  throw new CmdLineException(CmdLineError.MissingLibArgument, engine.ErrorCultureInfo);
                newPaths = newPaths.Replace(',', Path.PathSeparator);
                libpath = newPaths + Path.PathSeparator + libpath;
                if (fullCmdLine != null){
                  fullCmdLine.Append(cmdLineSwitch + "lib:\"");
                  fullCmdLine.Append((string)argument);
                  fullCmdLine.Append("\" ");
                }
                continue;
              }
              argument = CmdLineOptionParser.IsArgumentOption(option, "linkres", "linkresource");
              if (argument != null){
                try{
                  ResInfo resinfo = new ResInfo((string)argument, true /* isLinked */);
                  this.AddResourceFile(resinfo, resources, resourceFiles, engine);
                }catch(CmdLineException){
                  throw;
                }catch{
                  throw new CmdLineException(CmdLineError.ManagedResourceNotFound, engine.ErrorCultureInfo);
                }
                continue;
              }
              break;
            case 'n':
            case 'N':
              argument = CmdLineOptionParser.IsBooleanOption(option, "nologo");
              if (argument != null)
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/nologo[+|-]", engine.ErrorCultureInfo);
              argument = CmdLineOptionParser.IsBooleanOption(option, "nostdlib");
              if (argument != null)
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/nostdlib[+|-]", engine.ErrorCultureInfo);
              break;
            case 'o':
            case 'O':
              argument = CmdLineOptionParser.IsArgumentOption(option, "out");
              if (argument != null)
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/out:<filename>", engine.ErrorCultureInfo);
              break;
            case 'p':
            case 'P':
              argument = CmdLineOptionParser.IsBooleanOption(option, "print");
              if (argument != null){
                engine.SetOption("print", argument);
                if (fullCmdLine != null){
                  fullCmdLine.Append(arg);
                  fullCmdLine.Append(" ");
                }
                continue;
              }
              argument = CmdLineOptionParser.IsArgumentOption(option, "platform");
              if (argument != null){
                string platform = (string)argument;
                PortableExecutableKinds PEKindFlags;
                ImageFileMachine PEMachineArchitecture;
                if (String.Compare(platform, "x86", StringComparison.OrdinalIgnoreCase) == 0) {
                  PEKindFlags = PortableExecutableKinds.ILOnly | PortableExecutableKinds.Required32Bit;
                  PEMachineArchitecture = ImageFileMachine.I386;
                } else if (String.Compare(platform, "Itanium", StringComparison.OrdinalIgnoreCase) == 0) {
                  PEKindFlags = PortableExecutableKinds.ILOnly | PortableExecutableKinds.PE32Plus;
                  PEMachineArchitecture = ImageFileMachine.IA64;
                } else if (String.Compare(platform, "x64", StringComparison.OrdinalIgnoreCase) == 0) {
                  PEKindFlags = PortableExecutableKinds.ILOnly | PortableExecutableKinds.PE32Plus;
                  PEMachineArchitecture = ImageFileMachine.AMD64;            
                } else if (String.Compare(platform, "anycpu", StringComparison.OrdinalIgnoreCase) == 0) {
                  PEKindFlags = PortableExecutableKinds.ILOnly;
                  PEMachineArchitecture = ImageFileMachine.I386;
                } else
                  throw new CmdLineException(CmdLineError.InvalidPlatform, (string)argument, engine.ErrorCultureInfo);
                engine.SetOption("PortableExecutableKind", PEKindFlags);
                engine.SetOption("ImageFileMachine", PEMachineArchitecture);
                if (fullCmdLine != null){
                  fullCmdLine.Append(arg);
                  fullCmdLine.Append(" ");
                }
                continue;
              }
              break;
            case 'r':
            case 'R':
              argument = CmdLineOptionParser.IsArgumentOption(option, "r", "reference");
              if (argument != null)
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/r[eference]:<file list>", engine.ErrorCultureInfo);
              argument = CmdLineOptionParser.IsArgumentOption(option, "res", "resource");
              if (argument != null){
                try{
                  ResInfo resinfo = new ResInfo((string)argument, false /* isLinked */);
                  this.AddResourceFile(resinfo, resources, resourceFiles, engine);
                }catch(CmdLineException){
                  throw;
                }catch{
                  throw new CmdLineException(CmdLineError.ManagedResourceNotFound, engine.ErrorCultureInfo);
                }
                continue;
              }
              break;
            case 't':
            case 'T':
              argument = CmdLineOptionParser.IsArgumentOption(option, "t", "target");
              if (argument != null){
                if (String.Compare((string)argument, "exe", StringComparison.OrdinalIgnoreCase) == 0){
                  if (!generateExe)
                    throw new CmdLineException(CmdLineError.IncompatibleTargets, arg, engine.ErrorCultureInfo);
                  if (targetSpecified)
                    throw new CmdLineException(CmdLineError.MultipleTargets, engine.ErrorCultureInfo);
                  // no change -- /t:exe is the default when GenerateExecutable is true
                  targetSpecified = true;
                  continue;
                }
                if (String.Compare((string)argument, "winexe", StringComparison.OrdinalIgnoreCase) == 0){
                  if (!generateExe)
                    throw new CmdLineException(CmdLineError.IncompatibleTargets, arg, engine.ErrorCultureInfo);
                  if (targetSpecified)
                    throw new CmdLineException(CmdLineError.MultipleTargets, engine.ErrorCultureInfo);
                  engine.SetOption("PEFileKind", PEFileKinds.WindowApplication);
                  generateWinExe = true;
                  targetSpecified = true;
                  continue;
                }
                if (String.Compare((string)argument, "library", StringComparison.OrdinalIgnoreCase) == 0){
                  if (generateExe)
                    throw new CmdLineException(CmdLineError.IncompatibleTargets, engine.ErrorCultureInfo);
                  if (targetSpecified)
                    throw new CmdLineException(CmdLineError.MultipleTargets, engine.ErrorCultureInfo);
                  // no change -- /t:library is the default when GenerateExecutable is false
                  targetSpecified = true;
                  continue;
                }
                throw new CmdLineException(CmdLineError.InvalidTarget, (string)argument, engine.ErrorCultureInfo);
              }
              break;
            case 'u':
            case 'U':
              argument = CmdLineOptionParser.IsArgumentOption(option, "utf8output");
              if (argument != null)
                throw new CmdLineException(CmdLineError.InvalidForCompilerOptions, "/utf8output[+|-]", engine.ErrorCultureInfo);
              break;
            case 'v':
            case 'V':
              argument = CmdLineOptionParser.IsBooleanOption(option, "VersionSafe");
              if (argument != null){
                engine.SetOption("VersionSafe", argument);
                if (fullCmdLine != null){
                  fullCmdLine.Append(arg);
                  fullCmdLine.Append(" ");
                }
                continue;
              }
              break;
            case 'w':
            case 'W':
              argument = CmdLineOptionParser.IsArgumentOption(option, "w", "warn");
              if (argument != null){
                if (((string)argument).Length == 0){
                  throw new CmdLineException(CmdLineError.NoWarningLevel, arg, engine.ErrorCultureInfo);
                }
                if (((string)argument).Length == 1){
                  if (fullCmdLine != null){
                    fullCmdLine.Append(arg);
                    fullCmdLine.Append(" ");
                  }
                  switch (((string)argument)[0]){
                  case '0': engine.SetOption("WarningLevel", (object)0); continue;
                  case '1': engine.SetOption("WarningLevel", (object)1); continue;
                  case '2': engine.SetOption("WarningLevel", (object)2); continue;
                  case '3': engine.SetOption("WarningLevel", (object)3); continue;
                  case '4': engine.SetOption("WarningLevel", (object)4); continue;
                  }
                }
                throw new CmdLineException(CmdLineError.InvalidWarningLevel, arg, engine.ErrorCultureInfo);
              }
              argument = CmdLineOptionParser.IsBooleanOption(option, "warnaserror");
              if (argument != null){
                engine.SetOption("warnaserror", argument);
                if (fullCmdLine != null){
                  fullCmdLine.Append(arg);
                  fullCmdLine.Append(" ");
                }
                continue;
              }
              break;
            default:
              break;
            }
          }
          throw new CmdLineException(CmdLineError.UnknownOption, arg, engine.ErrorCultureInfo);
        }
        if (fullCmdLine != null){
          // append target type to debug command line
          if (generateExe){
            if (generateWinExe)
              fullCmdLine.Append(cmdLineSwitch + "t:winexe ");
            else
              fullCmdLine.Append(cmdLineSwitch + "t:exe ");
          }else{
            fullCmdLine.Append(cmdLineSwitch + "t:library ");
          }
          this.debugCommandLine = fullCmdLine.ToString();
        }
        // set options on engine that were possibly built from multiple arguments
        engine.SetOption("libpath", libpath);
        engine.SetOption("defines", defines);
      }