private static Docs?ParseDocs(GeneratorExecutionContext context)
{
Docs?docs = null;
if (context.AnalyzerConfigOptions.GlobalOptions.TryGetValue("build_property.CsWin32InputDocPaths", out string?delimitedApiDocsPaths) &&
!string.IsNullOrWhiteSpace(delimitedApiDocsPaths))
{
string[] apiDocsPaths = delimitedApiDocsPaths !.Split('|');
if (apiDocsPaths.Length > 0)
{
List <Docs> docsList = new(apiDocsPaths.Length);
foreach (string path in apiDocsPaths)
{
try
{
docsList.Add(Docs.Get(path));
}
catch (Exception e)
{
context.ReportDiagnostic(Diagnostic.Create(DocParsingError, null, path, e.Message));
}
}
docs = Docs.Merge(docsList);
}
}
return(docs);
}
private static void Main(string[] args)
{
using var cts = new CancellationTokenSource();
Console.CancelKeyPress += (s, e) =>
{
Console.WriteLine("Canceling...");
cts.Cancel();
e.Cancel = true;
};
Console.WriteLine("Initializing generator...");
try
{
string outputDirectory = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) !, "output");
if (Directory.Exists(outputDirectory))
{
foreach (string file in Directory.EnumerateFiles(outputDirectory, "*", SearchOption.AllDirectories))
{
File.Delete(file);
}
}
else
{
Directory.CreateDirectory(outputDirectory);
}
var sw = Stopwatch.StartNew();
string metadataPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location !) !, "Windows.Win32.winmd");
string apiDocsPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location !) !, "apidocs.msgpack");
using var generator = new Generator(
metadataPath,
Docs.Get(apiDocsPath),
new GeneratorOptions
{
WideCharOnly = true,
EmitSingleFile = true,
},
parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp9));
Console.WriteLine("Generating code... (press Ctrl+C to cancel)");
if (args.Length > 0)
{
foreach (string name in args)
{
cts.Token.ThrowIfCancellationRequested();
if (!generator.TryGenerate(name, cts.Token))
{
Console.Error.WriteLine("WARNING: No match for " + name);
}
}
}
else
{
generator.GenerateAll(cts.Token);
}
Console.WriteLine("Gathering source files...");
var compilationUnits = generator.GetCompilationUnits(cts.Token);
Console.WriteLine("Emitting source files...");
compilationUnits.AsParallel().WithCancellation(cts.Token).ForAll(unit =>
{
string outputPath = Path.Combine(outputDirectory, unit.Key);
Console.WriteLine("Writing output file: {0}", outputPath);
using var generatedSourceStream = new FileStream(outputPath, FileMode.Create, FileAccess.Write, FileShare.Read);
using var generatedSourceWriter = new StreamWriter(generatedSourceStream, Encoding.UTF8);
unit.Value.WriteTo(generatedSourceWriter);
});
Console.WriteLine("Generation time: {0}", sw.Elapsed);
}
catch (OperationCanceledException oce) when(oce.CancellationToken == cts.Token)
{
Console.Error.WriteLine("Canceled.");
}
}