Function parsePanicFrame

parse_panic.go:80–127

The lines we're passing look like this: main.(*foo).destruct(0xc208067e98) 0/go/src/github.com/bugsnag/bugsnag-go/pan/main.go:22 +0x151

(name string, line string, createdBy bool)

//     main.(*foo).destruct(0xc208067e98)
//             /0/go/src/github.com/bugsnag/bugsnag-go/pan/main.go:22 +0x151
func parsePanicFrame(name string, line string, createdBy bool) (*StackFrame, error) {
	idx := strings.LastIndex(name, "(")
	if idx == -1 && !createdBy {
		return nil, Errorf("bugsnag.panicParser: Invalid line (no call): %s", name)
	}
	if idx != -1 {
		name = name[:idx]
	}
	pkg := ""

	if lastslash := strings.LastIndex(name, "/"); lastslash >= 0 {
		pkg += name[:lastslash] + "/"
		name = name[lastslash+1:]
	}
	if period := strings.Index(name, "."); period >= 0 {
		pkg += name[:period]
		name = name[period+1:]
	}

	name = strings.Replace(name, "·", ".", -1)

	if !strings.HasPrefix(line, "\t") {
		return nil, Errorf("bugsnag.panicParser: Invalid line (no tab): %s", line)
	}

	idx = strings.LastIndex(line, ":")
	if idx == -1 {
		return nil, Errorf("bugsnag.panicParser: Invalid line (no line number): %s", line)
	}
	file := line[1:idx]

	number := line[idx+1:]
	if idx = strings.Index(number, " +"); idx > -1 {
		number = number[:idx]
	}

	lno, err := strconv.ParseInt(number, 10, 32)
	if err != nil {
		return nil, Errorf("bugsnag.panicParser: Invalid line (bad line number): %s", line)
	}

	return &StackFrame{
		File:       file,
		LineNumber: int(lno),
		Package:    pkg,
		Name:       name,
	}, nil
}