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 = getOrKeep(map, curly(var));

    LS tok1 = matched.tokenize(var);

    LS tok2 = matched.tokenize(uncurly(value));

    if (debug) print("VarSplitter: " + tok1 + " / " + tok2);

    if (l(tok1) != l(tok2)) null;

    int oldSize = l(map);

    for (int i = 1; i < l(tok1); i += 2)

      if (!strictPutIC(map, tok1.get(i), tok2.get(i))) null;

    if (debug) print("VarSplitter done => " + map);

    matched.nPossibleVars = matched.nPossibleVars() + l(map)-oldSize;

    ret map;

  }

}

svoid gazelle_addVarSplittersToRules(RuleEngine2 engine, O... _) {

  new Matches m;

  bool debug = boolPar debug(_);

  for (final RuleEngine2.Rule r : engine.rules) {

    continue unless jmatchAny("split *", r.comments, m) && isQuoted(m.get(0));

    S var = $1;

    if (debug) print("Made splitter for: " + var);

    r.addMapMassager(new VarSplitter(var, debug));

  }

}

end scope