public object Sleep(bool startRepl = true)
{
Sleeping = true;
Module stdIn;
return(NativeModules.TryGetValue("stdin", out stdIn) ? stdIn.Exports : null);
}
public string Resolve(string request, Module requester)
{
Module module;
if (NativeModules.TryGetValue(request, out module))
{
return(module.FileName);
}
var virtualPath = PathResolver.Resolve(request, requester);
return(virtualPath?.ResolvePath());
}
public Module Load(string request, Module parent, bool isMain)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
if (parent != null && parent.Loader != this)
{
throw new InvalidOperationException("Parent module is initialized from a different loader.");
}
Module module;
if (NativeModules.TryGetValue(request, out module))
{
return(module);
}
var virtualPath = PathResolver.Resolve(request, parent);
var identifier = virtualPath?.Identifier;
if (identifier == null)
{
throw new InvalidOperationException($"Module '{request}' not found.");
}
if (LoadedModules.TryGetValue(identifier, out module))
{
return(module);
}
module = new Module(identifier, virtualPath, parent, this);
var oldMain = MainModule;
if (isMain)
{
MainModule = module;
}
var extension = virtualPath.ResolveExtension();
IModuleCompiler compiler;
if (!Compilers.TryGetValue(extension, out compiler))
{
throw new InvalidOperationException($"Invalid file extension {extension}.");
}
LoadedModules[identifier] = module;
try
{
compiler.Compile(module);
}
catch
{
LoadedModules.Remove(identifier);
if (isMain)
{
MainModule = oldMain;
}
throw;
}
return(module);
}