public EntryPoint(Namespace ns, params ISyntaxNode[] body)
{
Name = "~Main";
Body = new List<ISyntaxNode>(body);
Variables = ns.AddScope();
Namespace = ns;
}
public static MethodCall Parse(ref string input, Namespace ns)
{
var orgInput = input;
var ident = Identifier.Parse(ref input);
if (ident == null)
return null;
if (input[0] != '(')
return null;
input = input.Substring(1);
var length = input.Length;
var args = new List<IExpression>();
while (true)
{
var expr = Expression.Parse(ref input, ns);
if (expr != null)
{
if (expr.ReturnType.Name == "System.Void")
throw new ArgumentException("Argument must have a return type");
args.Add(expr);
}
Whitespace.Parse(ref input);
if (input.Length == 0)
{
input = orgInput;
return null;
}
if (input[0] == ',')
{
input = input.Substring(1);
continue;
}
else if (input[0] == ')')
{
input = input.Substring(1);
break;
}
if (length == input.Length)
throw new Exception("Could not parse:" + Environment.NewLine + input);
length = input.Length;
}
var method = ns.GetMethod(ident.Value, args.Select(e => e.ReturnType).ToArray());
if (method == null)
throw new Exception("Could not find method: " + ident.Value);
var returnType = new AsmType(method.Split(' ')[0]);
var methodName = string.Join(" ", method.Split(' ').Skip(1));
ident = new Identifier(methodName);
return new MethodCall(ident, returnType, args.ToArray());
}
public static void Main(string[] args)
{
var ns = new Namespace();
ns.Add("/usr/lib/mono/4.5/mscorlib.dll");
ns.Using("System");
ns.Alias("System.Console.WriteLine", "Print");
ns.Alias("System.Console.ReadLine", "ReadLine");
var program = new Program(ns);
foreach (var arg in args)
program.Parse(File.ReadAllText(arg));
program.Emit();
}
public Program(Namespace ns)
{
Root = new List<ISyntaxNode>();
Main = new EntryPoint(ns);
Namespace = ns;
}