//static methods
static void Main(string[] args)
{
//get the app's name
string appName = System.Reflection.Assembly.GetExecutingAssembly().GetName().Name;
switch (args.Length)
{
case 0:
RunPrompt();
break;
case 1:
if (Runner.RunFile(args[0]) == null)
{
System.Environment.Exit(-1);
}
break;
case 2:
if (args[0] == "run")
{
if (Runner.Run(args[1]) == null)
{
System.Environment.Exit(-1);
}
}
break;
default:
Console.Write($"Usage: {appName} [<file name> | run \"<toy code>\"]");
break;
}
}
//public script files
public void RunFile(string fileName)
{
environment = Runner.RunFile(environment, Application.streamingAssetsPath + "/" + fileName + ".toy");
if (environment == null)
{
throw new NullReferenceException("Environment is null in ToyBehaviour.RunFile()");
}
}
public object Visit(Import stmt)
{
string libname = (string)((Literal)(stmt.library)).value;
//load another file instead
if (libname.Length > 4 && libname.Substring(libname.Length - 4) == ".toy")
{
#if TOY_UNITY
libname = Application.streamingAssetsPath + "/" + libname;
#endif
Environment env = Runner.RunFile(libname);
//merge the sub-environment into this one, possibly under an alias
environment.Define(stmt.alias != null ? ((Variable)stmt.alias).name.lexeme : null, env, true);
return(null);
}
//try a bunch of different names
Type type = null;
if (type == null)
{
type = Type.GetType("Toy.Plugin." + libname);
}
if (type == null) //user plugins take precedence over built-in libraries
{
type = Type.GetType("Toy.Library." + libname);
}
//still not found
if (type == null)
{
throw new ErrorHandler.RuntimeError(stmt.keyword, "Unexpected library name");
}
//create the library and cast it to the correct type
dynamic library = ((IPlugin)Convert.ChangeType(Activator.CreateInstance(type), type)).Singleton;
//initialize the library
library.Initialize(environment, stmt.alias != null ? ((Variable)stmt.alias).name.lexeme : null);
return(null);
}
//creation/destruction methods
void Awake()
{
environment = Runner.RunFile("Assets/" + toyScript + ".toy");
Runner.Run(environment, $"const __instance = Unity.Fetch(\"{this.gameObject.name}\");");
Runner.Run(environment, "__instance.Awake();");
}