fun forOccurrence()

in reactor/Core/src/jetbrains/mps/logic/reactor/core/RuleIndex.kt [70:81]

• 12 lines of code
• 2 McCabe index (conditional complexity)

    fun forOccurrence(occ: ConstraintOccurrence): Iterable<Rule> {
        val (ruleBits, slotMasks) = symbol2index[occ.constraint().symbol()]?.select(occ) ?: return emptyList()
        val result = ArrayList<OrderedRule>()
        val itr = ruleBits.iterator()
        while (itr.hasNext()) {
            bit2ruleAndMask[itr.next()]?.let{
                result.add(it.first)
            }
        }
        result.sortBy { it.order }
        return result.map { it.rule }
    }