public static Expr ParseExpression(Tokenizer Tokenizer, int rbp)
{
Token t = Tokenizer.Current;
Tokenizer.Advance();
Expr left = t.Nud();
while (rbp > Tokenizer.Current.Lbp)
{
t = Tokenizer.Current;
Tokenizer.Advance();
left = t.Led(left);
}
return left;
}
public static Stmt ParseStatement(Tokenizer Tokenizer)
{
Stmt s;
if (Tokenizer.Current.Std(out s))
{
return s;
}
else
{
SimpleToken token = Tokenizer.Current;
Expr e = ParseExpression(Tokenizer, 13);
s = new ExprStmt(token, Tokenizer.Current.LineNumber, e);
Tokenizer.Advance("(eol)");
return s;
}
}
public static ArrayList ParseArgumentList(Tokenizer Tokenizer)
{
ArrayList argList = new ArrayList();
if (Tokenizer.Current.Text != "(")
return argList;
Tokenizer.Advance("(");
while (true)
{
argList.Add(ParseExpression(Tokenizer, 13));
if (Tokenizer.Current.Text != ",")
break;
Tokenizer.Advance(",");
}
Tokenizer.Advance(")");
return argList;
}