!7

sclass BottomUpParser > DynSCPWithInput {

  start {

    dm_useLocallyCopiedMechLists(); set flag NoFancyMechParsing.

  }

  void update(S s) {

    temp enter();

    if (!isShowing()) { inputChooser.forgetInput(); ret; }

    final new AI_BottomUpParser1 parser;

    parser.parse(s);

    AI_BottomUpParser1.Word w = parser.fullGroup();

    print("Full group: " + w);

    if (w == null) ret;

    final L<WeightedProduction> productions = ai_buParser_parseWeightedProductions();

    print("Have " + n2(productions, "production"));

    class ChooseCategory {

      AI_BottomUpParser1.Word word;

      L<S> categories;

      *(AI_BottomUpParser1.Word *word, L<S> *categories) {}

      toString { ret word.text() + " (" + n2(categories, "category", "categories") + ")"; }

    }

    class HaveCategory {

      AI_BottomUpParser1.Word word;

      S category;

      *(AI_BottomUpParser1.Word *word, S *category) {}

      toString { ret quote(word.text()) + " as " + category; }

    }

    class ChoosePart {

      ai_Reconstructed reconstruction;

      *(ai_Reconstructed *reconstruction) {}

      toString { ret reconstruction.a.text() + " + " + reconstruction.b.text(); }

    }

    ChooseCategory root = new(w, asList(w.classes));

    setComponent(jDynamicTree(root, func(fO e) -> L<O> {

      if (e instanceof ChooseCategory)

        ret map(((ChooseCategory) e).word.classes, func(S cat) { new HaveCategory(((ChooseCategory) e).word, cat) });

      if (e instanceof HaveCategory) {

        HaveCategory h = cast e;

        L<ai_Reconstructed> l = ai_buParser1_reconstructedProductions(parser, productions, h.word, h.category);

        ret map(l, func(ai_Reconstructed r) -> O {

          r.production.b == null

            ? new HaveCategory(r.a, r.production.a)

            : new ChoosePart(r)

        });

      }

      if (e instanceof ChoosePart) {

        ai_Reconstructed r = ((ChoosePart) e).reconstruction;

        ret (L) ll(new HaveCategory(r.a, r.production.a),

          new HaveCategory(r.b, r.production.b));

      }

      null;

    }));

    print("Made tree");

  }

}