Method callFunction

src/main/java/fieldbox/boxes/Callbacks.java:395–466

(Box box, Dict.Prop<IdempotencyMap<Function<Object, Object>>> main, Object argMap)

		return ret;
	}

	public static Object callFunction(Box box, Dict.Prop<IdempotencyMap<Function<Object, Object>>> main, Object argMap) {
		Map<String, Object> undoMap = new LinkedHashMap<>();


		Object ret = null;


		boolean success = false;
		try {
			Map<?, ?> m = (Map<?, ?>) ScriptUtils.convert(argMap, Map.class);
			for (Map.Entry<?, ?> e : m.entrySet()) {
				Object was = box.properties.get(new Dict.Prop("" + e.getKey()));
				if (box.properties.has(new Dict.Prop("" + e.getKey())))
					undoMap.put("" + e.getKey(), was);

				box.asMap_set("" + e.getKey(), e.getValue());
			}
			success = true;

			try {

				if (!box.properties.has(main) || box.properties.get(main)
					.values()
					.size() == 0) {
					if (Execution.context.get()
						.stream()
						.filter(x -> x == box)
						.count() > 1 && !box.properties.isTrue(new Dict.Prop("recur"), false))
						return null;

//					String code = box.properties.get(Execution.code);
					String code = DisabledRangeHelper.getStringWithDisabledRanges(box, Execution.code, "/* -- start -- ", "-- end -- */");
					if (code != null) box.first(Execution.execution)
						.ifPresent(x -> x.support(box, Execution.code)
							.executeAll(code, box));

				}

				IdempotencyMap<Function<Object, Object>> map = box.find(main, box.upwards())
					.reduce(new IdempotencyMap<Function<Object, Object>>(Function.class), (a1, a2) -> {
						IdempotencyMap<Function<Object, Object>> q = new IdempotencyMap<>(Function.class);
						q.putAll(a1);
						q.putAll(a2);
						return q;
					});


				Object[] firstRet = {null};
				map.values()
					.forEach(x -> {
						firstRet[0] = x.apply(firstRet[0]);
					});

				return firstRet[0];

			} finally {