public static void Main(string[] args)
{
try {
LangLexer lexer = new LangLexer(new CharBuffer(Console.In));
LangParser parser = new LangParser(lexer);
parser.block();
CommonAST a = (CommonAST)parser.getAST();
Console.Out.WriteLine(a.ToStringList());
LangWalker walker = new LangWalker();
LangParser.initializeASTFactory(walker.getASTFactory());
walker.block(a); // walk tree
Console.Out.WriteLine("done walking");
} catch (Exception e) {
Console.Error.WriteLine("exception: " + e);
}
}
