Method reduce

runtime/JavaScript/src/antlr4/misc/IntervalSet.js:68–82

(pos)

	}

	reduce(pos) {
		// only need to reduce if pos is not the last
		if (pos < this.intervals.length - 1) {
			const current = this.intervals[pos];
			const next = this.intervals[pos + 1];
			// if next contained in current
			if (current.stop >= next.stop) {
				this.intervals.splice(pos + 1, 1);
				this.reduce(pos);
			} else if (current.stop >= next.start) {
				this.intervals[pos] = new Interval(current.start, next.stop);
				this.intervals.splice(pos + 1, 1);
			}
		}
	}

	complement(start, stop) {
		const result = new IntervalSet();