Format formats the frame according to the fmt.Formatter interface. %s source file %d source line %n function name %v equivalent to %s:%d Format accepts flags that alter the printing of some verbs, as follows: %+s function name and path of source file relative to the compile time GOP
(s fmt.State, verb rune)
| 62 | // GOPATH separated by \n\t (<funcname>\n\t<path>) |
| 63 | // %+v equivalent to %+s:%d |
| 64 | func (f Frame) Format(s fmt.State, verb rune) { |
| 65 | switch verb { |
| 66 | case 's': |
| 67 | switch { |
| 68 | case s.Flag('+'): |
| 69 | io.WriteString(s, f.name()) |
| 70 | io.WriteString(s, "\n\t") |
| 71 | io.WriteString(s, f.file()) |
| 72 | default: |
| 73 | io.WriteString(s, path.Base(f.file())) |
| 74 | } |
| 75 | case 'd': |
| 76 | io.WriteString(s, strconv.Itoa(f.line())) |
| 77 | case 'n': |
| 78 | io.WriteString(s, funcname(f.name())) |
| 79 | case 'v': |
| 80 | f.Format(s, 's') |
| 81 | io.WriteString(s, ":") |
| 82 | f.Format(s, 'd') |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | // MarshalText formats a stacktrace Frame as a text string. The output is the |
| 87 | // same as that of fmt.Sprintf("%+v", f), but without newlines or tabs. |