static void Main(string?programName = null, string[]?args = null)
{
var tracer = new Tracer();
tracer.Restart();
if (args == null)
{
throw new InvalidOperationException("You must pass in a file");
}
var libraries = args.Where(x =>
{
var ext = Path.GetExtension(x);
return(ext == ".exe" || ext == ".dll");
}).ToArray();
args = args.Except(libraries).ToArray();
if (args.Length == 0)
{
throw new InvalidOperationException("You must pass in a file to actually compile");
}
#pragma warning disable CS8619 // Nullability of reference types in value doesn't match target type.
Assembly[] assemblies = libraries.Select(x =>
{
try
{
return(Assembly.LoadFrom(x));
}
#pragma warning disable CA1031 // Do not catch general exception types
catch
#pragma warning restore CA1031 // Do not catch general exception types
{
return(null);
}
}).Where(x => x != null).Append(typeof(object).Assembly).ToArray();
#pragma warning restore CS8619 // Nullability of reference types in value doesn't match target type.
if (programName == null)
{
programName = Path.GetFileNameWithoutExtension(args[0]);
}
tracer.AddEpoch("Initialization");
var tokenizer = new SimpleTokenizer();
var parser = new SimpleParser();
var rootNodes = new List <ImmutableRootSyntaxNode>();
foreach (var file in args)
{
var code = File.ReadAllText(file);
var fileTokens = tokenizer.EnumerateTokens(code.AsSpan());
tracer.AddEpoch($"Tokenizing {file}");
var immutableNode = parser.ParseTokens(fileTokens);
rootNodes.Add(immutableNode);
tracer.AddEpoch($"Parsing {file}");
}
EmitMain(programName + "Emit", assemblies, tracer, rootNodes);
// Skip the ilasm backend for demonstation.
IlAsmMain(programName, assemblies, tracer, rootNodes);
tracer.PrintEpochs();
Console.WriteLine("Compilation Complete!");
}