public static void Main(string[] args)
{
if (args.Length < 1)
{
Error("The file to run is the one and only file that should be passed as an argument.");
}
if (args[0].StartsWith("-"))
{
Error("Invalid filename. Cannot start with \"-\".");
}
string code = "";
try
{
code = System.IO.File.ReadAllText(args[0]);
}
catch (FileNotFoundException)
{
Error("The file you specified does not exist.");
}
LoadAssemblies();
// TODO: add other options to commandline arguments
ParsingApi.SetDialect(new DefaultDialect());
Api.Program p = GS.CreateProgram(code);
GS.Run(p);
}
public static void Load(string dir)
{
foreach (string file in Directory.EnumerateFiles(dir))
{
if (file.EndsWith("dll"))
{
AssemblyName assemblyName = AssemblyName.GetAssemblyName(file);
Assembly assembly = Assembly.Load(assemblyName);
foreach (Type type in assembly.GetTypes())
{
if (type.GetCustomAttributes(typeof(GsDialect), true).Length == 1)
{
object o = type.GetConstructor(new Type[0])?.Invoke(new object[0]);
if (o == null)
{
Console.WriteLine("Recieved a class with the \"GsDialect\" attribute, but it wasn't a dialect. Ignoring.");
continue;
}
Dialect d = (Dialect)o;
GsDialect attribute = (GsDialect)type.GetCustomAttributes(typeof(GsDialect), true)[0];
d.Initialize(attribute.Name ?? "", attribute.Description ?? "", attribute.Version ?? "1.0", attribute.Extension ?? "");
ParsingApi.AddDialect(d);
Console.WriteLine("Successfully loaded " + d.Name);
}
}
}
}
}
/// <summary>
/// Run the program. This is assuming all of the other API's and whatnot are already setup. If those are not setup,
/// an exception will be thrown.
/// </summary>
public void Run()
{
ParsingApi.Lex(this);
ParsingApi.Parse(this);
ParsingApi.BuildActionTree(this);
}
public Dialect(ParsingApi api)
{
_api = api;
}
