files   = flag.String("files", "", "comma-separated list of files to test")
	ngo     = flag.Int("n", runtime.NumCPU(), "number of goroutines used")
	verbose = flag.Bool("verbose", false, "verbose mode")
	nfiles  int // number of files processed
)

func gofmt(fset *token.FileSet, filename string, src *bytes.Buffer) error {
	f, _, _, err := parse(fset, filename, src.Bytes(), false)
	if err != nil {
		return err
	}

				minline = v.lp.first
			}
			if maxline < v.lp.last {
				maxline = v.lp.last
			}
		}
		f.LogStat("SUM_LINE_RANGE", total, "MAXMIN_LINE_RANGE", maxline-minline, "MAXFILE", maxfile, "NFILES", len(entries))
	}
	// cachedLineStarts is an empty sparse map for values that are included within ranges.
	f.cachedLineStarts = newXposmap(ranges)