public void load_string(string str)
{
var inputStream = new AntlrInputStream(str);
var lexer = new TSqlLexer(inputStream);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new TSqlParser(commonTokenStream);
if (!noerrorlistener)
{
parser.RemoveErrorListeners();
parser.AddErrorListener(new ParserErrorListener());
}
Type t = parser.GetType();
MethodInfo mi = t.GetMethod(start_rulename);
if (mi == null)
{
throw new ArgumentException("rulename " + start_rulename + " not found.");
}
ParserRuleContext graphContext = (ParserRuleContext)mi.Invoke(parser, new object[] { });
//ParserRuleContext graphContext = parser.tsql_file();
var token_names = parser.TokenNames;
var rule_names = parser.RuleNames;
var tree_parser = new TreeParser(token_names, rule_names);
root = tree_parser.parse(graphContext);
}