Method NameComponents

internal/graph/graph.go:167–197

NameComponents returns the components of the printable name to be used for a node.

()

// NameComponents returns the components of the printable name to be used for a node.
func (i *NodeInfo) NameComponents() []string {
	var name []string
	if i.Address != 0 {
		name = append(name, fmt.Sprintf("%016x", i.Address))
	}
	if fun := i.Name; fun != "" {
		name = append(name, fun)
	}

	switch {
	case i.Lineno != 0:
		s := fmt.Sprintf("%s:%d", i.File, i.Lineno)
		if i.Columnno != 0 {
			s += fmt.Sprintf(":%d", i.Columnno)
		}
		// User requested line numbers, provide what we have.
		name = append(name, s)
	case i.File != "":
		// User requested file name, provide it.
		name = append(name, i.File)
	case i.Name != "":
		// User requested function name. It was already included.
	case i.Objfile != "":
		// Only binary name is available
		name = append(name, "["+filepath.Base(i.Objfile)+"]")
	default:
		// Do not leave it empty if there is no information at all.
		name = append(name, "<unknown>")
	}
	return name
}

// comparePrintableName compares NodeInfo lexicographically the same way as `i.PrintableName() < right.PrintableName()`, but much more performant.
func (i *NodeInfo) comparePrintableName(right NodeInfo) (equal bool, less bool) {