GatherCallFrames FIXME ...
(delta int)
| 40 | |
| 41 | // GatherCallFrames FIXME ... |
| 42 | func GatherCallFrames(delta int) string { |
| 43 | var name, file string |
| 44 | var line int |
| 45 | var pc [16]uintptr |
| 46 | |
| 47 | n := runtime.Callers(3+delta, pc[:]) |
| 48 | for _, pc := range pc[:n] { |
| 49 | fn := runtime.FuncForPC(pc) |
| 50 | if fn == nil { |
| 51 | continue |
| 52 | } |
| 53 | file, line = fn.FileLine(pc) |
| 54 | name = fn.Name() |
| 55 | if !strings.HasPrefix(name, "runtime.") { |
| 56 | break |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | switch { |
| 61 | case name != "": |
| 62 | return fmt.Sprintf("%v:%v", name, line) |
| 63 | case file != "": |
| 64 | return fmt.Sprintf("%v:%v", file, line) |
| 65 | } |
| 66 | |
| 67 | return fmt.Sprintf("pc:%x", pc) |
| 68 | } |