sclass RuleEngine2_MatchedRule {
  RuleEngine2.Rule rule;
  SS map;
  LS goodVars, badVars;
  
  LS unclearVars() { ret listMinusSet(keys(map), goodVars, badVars); }
}

static L<RuleEngine2_MatchedRule> ai_ruleEngine2_rulesForInput_2(RuleEngine2 engine, S q) {
  LS tokI = javaTokNPunctuationWithBrackets(q);
  new L<RuleEngine2_MatchedRule> l;
  for (RuleEngine2.Rule rule : engine.rules) {
    S cond = first(rule.in);
    SS map = zipTwoListsToCIMap_strict_withoutEquals(javaTokNPunctuationWithBrackets(cond), tokI);
    if (map == null) continue;
    //print(map + " | " + cond + " | " + rule.vars);
    new RuleEngine2_MatchedRule matched;
    matched.rule = rule;
    matched.map = map;
    matched.goodVars = matchX_any_allRests("good var *", rule.comments);
    matched.badVars = matchX_any_allRests("bad var *", rule.comments);
    l.add(matched);
  }
  ret l;
}

Began life as a copy of #1021400