Method getLinecol

src/common/debug.ts:45–58

(offset: number)

  }

  getLinecol(offset: number): [line: number, col: number] {
    offset = Math.max(Math.min(offset, this.source.length), 0);

    const lineOffsets = this.lineOffsets;
    let low = 0;
    let high = lineOffsets.length;
    if (high === 0) return [1, offset + 1];
    while (low < high) {
      const mid = Math.floor((low + high) / 2);
      if (lineOffsets[mid] > offset) high = mid;
      else low = mid + 1;
    }
    return [low, offset - lineOffsets[low - 1] + 1];
  }

  signalOrigin(offset: number): SignalOrigin {
    const [line, column] = this.getLinecol(offset);