// .h
class MyVisitor: public MyParserBaseVisitor ...
// .cpp
Any MyVisitor::visitExpr(MyParser::ExprContext *ctx) {
auto result = visitChildren(ctx);
std::cout<< result.as<int>() << std::endl;
return result;
}
Any MyVisitor::visitInteger(MyParser::IntegerContext *ctx) {
return atoi(ctx->start->toString().c_str());
}