private static int Run(string[] args)
{
var diagPrinter = new ConsoleDiagnosticPrinter(Console.Error);
var diags = new DiagnosticsEngine(diagPrinter);
var opts = new EmcCommandLineArguments();
OptTable optTable = new EmcOptTable();
if (!ParseOptions(args, optTable, opts, diags))
{
ShowBriefHelp();
return(ExitCode.UserError);
}
if (diags.ErrorOccurred)
{
return(ExitCode.UserError);
}
// Show help and exit.
if (opts.ShowHelp)
{
ShowHelp(optTable, opts.GeneratorOpts);
return(ExitCode.Success);
}
IAction action;
if (opts.DumpEventTemplate != null ||
opts.DumpMessageTable != null)
{
action = new DumpAction(diags, opts);
}
else if (opts.OutputManifest != null)
{
action = new GenerateManifestFromProviderAction(diags, opts);
}
else
{
action = new CompileAction(diags, opts.CompilationOptions);
}
return(action.Execute());
}
public DumpAction(IDiagnostics diags, EmcCommandLineArguments opts)
{
this.diags = diags ?? throw new ArgumentNullException(nameof(diags));
this.opts = opts ?? throw new ArgumentNullException(nameof(opts));
}
private static bool ParseOptions(
string[] cliArgs, OptTable optTable, EmcCommandLineArguments arguments, DiagnosticsEngine diags)
{
var catalog = new AggregateCatalog();
catalog.Catalogs.Add(new AssemblyCatalog(Assembly.GetExecutingAssembly()));
catalog.Catalogs.Add(new AssemblyCatalog(typeof(ICodeGeneratorProvider).Assembly));
IArgumentList args = optTable.ParseArgs(cliArgs, out var missing);
var extensions = args.GetAllArgValues(Opt.ext_eq);
if (extensions.Count != 0)
{
foreach (var path in extensions)
{
if (!File.Exists(path))
{
diags.Report(DiagnosticSeverity.Warning, "Ignoring extension assembly '{0}' because it does not exist.", path);
continue;
}
catalog.Catalogs.Add(new AssemblyCatalog(path));
}
}
arguments.GeneratorOpts = new Dictionary <string, OptTable>();
var codeGenerator = args.GetLastArgValue(Opt.generator_eq, arguments.CompilationOptions.CodeGenOptions.CodeGenerator);
var container = new CompositionContainer(catalog);
container.ComposeParts(diags);
var codeGeneratorProviders = container.GetExportedValues <ICodeGeneratorProvider>().ToList();
var claimedArgs = new HashSet <int>();
object customCodeGenOpts = null;
foreach (var provider in codeGeneratorProviders)
{
var info = new CodeGeneratorInfo(provider.Name, provider);
if (info.OptTable != null)
{
arguments.GeneratorOpts[provider.Name] = info.OptTable;
}
if (codeGenerator == provider.Name)
{
customCodeGenOpts = info.ParseOptions(cliArgs, claimedArgs, diags);
}
}
bool success = true;
if (missing.ArgCount != 0)
{
diags.ReportError(
"Missing {1} argument{2} after: {0}",
cliArgs[missing.ArgIndex],
missing.ArgCount,
missing.ArgCount == 1 ? string.Empty : "s");
success = false;
}
// Report errors on unknown arguments.
foreach (var arg in args.Matching(Opt.Unknown))
{
if (claimedArgs.Contains(arg.Index) || IsExtensionArgument(arg))
{
continue;
}
diags.ReportError("Unknown argument: {0}", arg.GetAsString());
success = false;
}
arguments.ShowHelp = args.HasArg(Opt.help) || args.HasArg(Opt.QuestionMark);
arguments.ShowVersion = args.HasArg(Opt.version);
arguments.DumpMessageTable = args.GetLastArgValue(Opt.dump_msg);
arguments.DumpEventTemplate = args.GetLastArgValue(Opt.dump_wevt);
arguments.OutputManifest = args.GetLastArgValue(Opt.gen_manifest);
arguments.Verify = args.GetFlag(Opt.verify);
var opts = arguments.CompilationOptions;
opts.Inputs = args.GetAllArgValues(Opt.Input).ToList();
opts.ResourceGenOnlyInputs = args.GetAllArgValues(Opt.resgen_manifest_eq).ToList();
opts.OutputBaseName = args.GetLastArgValue(Opt.out_eq);
opts.GenerateResources = args.GetFlag(Opt.res, Opt.no_res, true);
opts.MessageTableFile = args.GetLastArgValue(Opt.msg_file_eq);
opts.EventTemplateFile = args.GetLastArgValue(Opt.wevt_file_eq);
opts.ResourceFile = args.GetLastArgValue(Opt.rc_file_eq);
opts.CodeGenOptions.GenerateCode = args.GetFlag(Opt.code, Opt.no_code, true);
opts.CodeGenOptions.CodeHeaderFile = args.GetLastArgValue(Opt.header_file_eq);
opts.CodeGenOptions.CodeGenerator = codeGenerator;
if (opts.Inputs.Count == 1)
{
arguments.DecompilationOptions.InputModule = opts.Inputs[0];
}
else if (opts.Inputs.Count == 2)
{
arguments.DecompilationOptions.InputEventTemplate = opts.Inputs[0];
arguments.DecompilationOptions.InputMessageTable = opts.Inputs[1];
}
arguments.DecompilationOptions.OutputManifest = arguments.OutputManifest;
var compatLevelString = args.GetLastArgValue(Opt.compat_eq, "10.0.16299");
if (Version.TryParse(compatLevelString, out Version compatibilityLevel))
{
opts.CompatibilityLevel = compatibilityLevel;
}
else
{
diags.ReportError("Invalid compatibility level: {0}", compatLevelString);
success = false;
}
opts.InferUnspecifiedOutputFiles();
if (arguments.Verify)
{
opts.CodeGenOptions.GenerateCode = false;
opts.GenerateResources = false;
}
if (opts.CodeGenOptions.CodeGenerator != null)
{
var selectedCodeGen = codeGeneratorProviders.FirstOrDefault(x => x.Name == opts.CodeGenOptions.CodeGenerator);
if (selectedCodeGen == null)
{
diags.ReportError("No code generator found with name '{0}'.", opts.CodeGenOptions.CodeGenerator);
diags.Report(
DiagnosticSeverity.Note,
"Available generators: {0}",
string.Join(", ", codeGeneratorProviders.Select(x => x.Name)));
success = false;
}
else
{
opts.CodeGenOptions.CodeGeneratorFactory = () => selectedCodeGen.CreateGenerator(customCodeGenOpts);
}
}
return(success);
}
public GenerateManifestFromProviderAction(IDiagnostics diags, EmcCommandLineArguments arguments)
{
this.diags = diags ?? throw new ArgumentNullException(nameof(diags));
this.arguments = arguments ?? throw new ArgumentNullException(nameof(arguments));
}
