private Token Consume(TokenKind kind)
{
Token old = current;
current = lexer.Next();
if (old.Kind != kind)
throw new ParseException("Unexpected token: " + current.Kind.ToString() + ". Was expecting: " + kind, current.Line,
current.Column);
return old;
}
private Token Consume()
{
Token old = current;
current = lexer.Next();
return old;
}