private void MyParseMethod(string path)
{
var stream = CharStreams.fromPath(path);
ITokenSource lexer = new DOTLexer(stream);
ITokenStream tokens = new CommonTokenStream(lexer);
var parser = new DOTParser(tokens)
{
BuildParseTree = true
};
IParseTree tree = parser.graph();
var printer = new KeyPrinter();
printer.RuleMoved += CheckState;
printer.Terminal += TerminalHandler;
ParseTreeWalker.Default.Walk(printer, tree);
}
public bool ParseValid(string text)
{
//var inputStream = new StreamReader(Console.OpenStandardInput());
var input = new AntlrInputStream(text);
var lexer = new DOTLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new DOTParser(tokens);
parser.RemoveErrorListeners();
var errorListener = new ErrorListener(_errorHandler);
parser.AddErrorListener(errorListener);
IParseTree tree = parser.graph();
var tmp = tree.ToStringTree(parser);
// Console.WriteLine(tree.ToStringTree(parser));
// CalculatorVisitor visitor = new CalculatorVisitor();
// Console.WriteLine(visitor.Visit(tree));
return(!errorListener.HasParserErrors);
}
