public CodeGenerator(string baseDirectory, GLDataRegistry registry, CodegenOverrideTracker tracker)
{
Tracker = tracker;
BaseDir = baseDirectory;
Registry = registry;
IncludeDir = Path.Combine(BaseDir, "include");
SourceDir = Path.Combine(BaseDir, "src");
}
public KhronosXMLParser(Stream stream, GLDataRegistry registry)
{
if (!stream.CanRead)
{
throw new ArgumentException("Input stream must be readable");
}
Stream = stream;
Registry = registry;
}
public CodegenOverrideTracker(GLDataRegistry registry)
{
Registry = registry;
}
static void Main(string[] args)
{
CommandLineOptions options = null;
var res = Parser.Default.ParseArguments <CommandLineOptions>(args).WithParsed <CommandLineOptions>(
opts =>
{
options = opts;
}
).WithNotParsed(
errors =>
{
foreach (var v in errors)
{
if (v.Tag == ErrorType.HelpRequestedError)
{
return;
}
}
Console.Error.WriteLine("Failed to parse command line");
foreach (var v in errors)
{
Console.Error.WriteLine(v);
}
}
);
if (options == null)
{
return;
}
if (!File.Exists(options.InputFile))
{
Console.Error.WriteLine($"Input file \"{options.InputFile}\" does not exist.");
return;
}
if (!Directory.Exists(options.OutDir))
{
try
{
Directory.CreateDirectory(options.OutDir);
Console.WriteLine("Created output directory");
}
catch (Exception ex)
{
Console.Error.WriteLine($"Failed to create output directory: {ex.Message}");
}
}
OpenGL_XML_Specification.Registry xmlRegistry = null;
GLDataRegistry registry = new GLDataRegistry();
var tracker = new CodegenOverrideTracker(registry);
// Read step
{
if (options.InputFile.EndsWith(".h"))
{
Console.WriteLine("Parsing GLAD header from disk...");
using (var inStream = new FileStream(options.InputFile, FileMode.Open, FileAccess.Read))
{
var parser = new GLADHeaderParser(inStream, registry);
parser.Parse();
}
}
else
{
Console.Error.WriteLine($"Input file must be either a Khronos XML document or a header generated by GLAD");
return;
}
if (!options.NoXML)
{
if (options.XMLInputFile != null)
{
if (File.Exists(options.XMLInputFile))
{
Console.WriteLine("Reading Khronos XML from disk...");
using (var inStream = new FileStream(options.XMLInputFile, FileMode.Open, FileAccess.Read))
{
Console.WriteLine($"Parsing XML...");
var parser = new KhronosXMLParser(inStream, registry);
parser.Parse();
xmlRegistry = parser.XMLRegistry;
}
}
else
{
Console.Error.WriteLine("Input XML file does not exist. Remove the --inputxml flag to fetch from GitHub or add --noxml to remove type safety.");
return;
}
}
using (var client = new HttpClient())
{
Console.WriteLine($"Downloading {CommandLineOptions.KhronosXMLURL}...");
Stream stream = null;
Task.Run(async() =>
{
stream = await client.GetStreamAsync(CommandLineOptions.KhronosXMLURL);
}).Wait();
using (stream)
{
Console.WriteLine($"Parsing XML...");
var parser = new KhronosXMLParser(stream, registry);
parser.Parse();
xmlRegistry = parser.XMLRegistry;
}
}
}
}
// Post process
Console.WriteLine($"Read {registry.Functions.Count} functions, post processing...");
tracker.Initialize(xmlRegistry);
foreach (var func in registry.Functions.Values)
{
var list = tracker.GetOverrideList(func.Name);
if (list != null)
{
foreach (var ovr in list)
{
ovr.ModifyFunctionEntry?.Invoke(func);
}
}
}
// Write step
Console.WriteLine("Generating code...");
var generator = new CodeGenerator(options.OutDir, registry, tracker);
generator.Generate();
//generator.OpenDirectory();
Console.WriteLine("Done");
}