stack generates a stack trace.
()
| 7 | |
| 8 | // stack generates a stack trace. |
| 9 | func stack() string { |
| 10 | var ( |
| 11 | final []string |
| 12 | buffer = make([]byte, 4096) |
| 13 | n = runtime.Stack(buffer, false) |
| 14 | stack = string(buffer[:n]) |
| 15 | lines = strings.Split(stack, "\n") |
| 16 | limit = min(len(lines), 16) |
| 17 | ) |
| 18 | |
| 19 | for i := 6; i < limit; i += 2 { |
| 20 | line := strings.TrimSpace(lines[i]) |
| 21 | space := strings.LastIndex(line, " ") |
| 22 | |
| 23 | if space != -1 { |
| 24 | line = line[:space] |
| 25 | } |
| 26 | |
| 27 | final = append(final, line) |
| 28 | } |
| 29 | |
| 30 | return strings.Join(final, "\n") |
| 31 | } |