var files []local.ReaderSource

	numberOfFiles, err := f.GetInt()
	if err != nil {
		return files, err
	}
	maxFiles := numberOfFiles % 10

	// Gather test files
	for i := 0; i < maxFiles; i++ {
		name, err := f.GetString()
		if err != nil {
			return files, err
		}
		rBytes, err := f.GetBytes()
		if err != nil {
			return files, err
		}

	files map[string]*fileInfo
}

type fileInfo struct {
	file     *token.File
	lastline int
}

const maxlines = 64 * 1024

func (s *fakeFileSet) pos(file string, line, column int) token.Pos {
	// TODO(mdempsky): Make use of column.

	// Since we don't know the set of needed file positions, we reserve
	// maxlines positions per file. We delay calling token.File.SetLines until

			}
			total += uint64(v.lp.last - v.lp.first)
			if maxfile < v.f {
				maxfile = v.f
			}
			if minline > v.lp.first {
				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))
	}

// gofmtFlags looks for a comment of the form
//
//	//gofmt flags
//
// within the first maxLines lines of the given file,
// and returns the flags string, if any. Otherwise it
// returns the empty string.
func gofmtFlags(filename string, maxLines int) string {
	f, err := os.Open(filename)
	if err != nil {
		return "" // ignore errors - they will be found later
	}
	defer f.Close()