public FileParseResult ParseProtoFile(string content)
{
var lexer = new GrammarLexer(new AntlrInputStream(content));
lexer.RemoveErrorListeners();
var tokens = new CommonTokenStream(lexer);
var parser = new GrammarParser(tokens);
var tree = parser.instructions();
var result = _mainVisitor.Visit(tree);
return((FileParseResult)result);
}
