Method Summary

pkg/callstack/callstack.go:263–302

Summary returns a sequence of non-repeated module names.

()

// Summary returns a sequence of non-repeated module names.
func (s Callstack) Summary() string {
	var b strings.Builder
	var prev string
	var removeSep bool

	for i := range s {
		frame := s[len(s)-i-1]
		if frame.Addr.InSystemRange() {
			continue
		}

		var n string
		if frame.IsUnbacked() {
			n = unbacked
		} else {
			n = filepath.Base(frame.Module)
		}

		if n == prev {
			if i == len(s)-1 {
				// last module equals to the previous
				// which renders redundant separator
				removeSep = true
			}
			continue
		}

		b.WriteString(n)
		if i != len(s)-1 {
			b.WriteRune('|')
		}
		prev = n
	}

	if removeSep {
		return strings.TrimSuffix(b.String(), "|")
	}

	return b.String()
}

func (s Callstack) String() string {
	var b strings.Builder