)

func isSpaceOrComment(line string) bool {
	trimmed := strings.TrimSpace(line)
	return len(trimmed) == 0 || trimmed[0] == '#'
}

// parseGoCount parses a Go count profile (e.g., threadcreate or
// goroutine) and returns a new Profile.
func parseGoCount(b []byte) (*Profile, error) {
	s := bufio.NewScanner(bytes.NewBuffer(b))
	// Skip comments at the beginning of the file.
	for s.Scan() && isSpaceOrComment(s.Text()) {

var errConcatProfile = fmt.Errorf("concatenated profiles detected")

func parseLegacy(data []byte) (*Profile, error) {
	parsers := []func([]byte) (*Profile, error){
		parseCPU,
		parseHeap,
		parseGoCount, // goroutine, threadcreate
		parseThread,
		parseContention,
		parseJavaProfile,
	}

	for _, parser := range parsers {
		p, err := parser(data)
		if err == nil {
			p.addLegacyFrameInfo()