public void ParseFuncDef()
{
lexer.CharStream = new ANTLRStringStream("function A(a:integer; b,c:Z):F;var h:integer; begin end;");
tokens.TokenSource = lexer;
parser = new PascalParser(tokens);
var res = parser.funcDef();
Assert.AreEqual(res.ReturnType.ToString(), "F");
}
