scope gazelle_addVarSplittersToRules.

sclass #VarSplitter {
  S var;
  bool debug;
 
  *() {}
  *(S *var, bool *debug) {}
  
  SS get(SS map, LS tokC, LS tokI, RuleEngine2_MatchedRule matched) {
    if (map == null) null;
    S value = map.get(var);
    LS tok1 = matched.tokenize(var);
    LS tok2 = matched.tokenize(value);
    if (debug) print("VarSplitter: " + tok1 + " / " + tok2);
    if (l(tok1) != l(tok2)) null;
    for (int i = 1; i < l(tok1); i += 2)
      if (!strictPutIC(map, tok1.get(i), tok2.get(i))) null;
    ret map;
  }
}

svoid gazelle_addVarSplittersToRules(RuleEngine2 engine, O... _) {
  new Matches m;
  for (final RuleEngine2.Rule r : engine.rules) {
    continue unless jmatchAny("split <quoted>", r.comments, m);
    S var = $1;
    r.massageMap = new VarSplitter(var, boolPar debug(_));
  }
}

end scope