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author | Michael Muré <batolettre@gmail.com> | 2020-02-05 22:03:19 +0100 |
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committer | Michael Muré <batolettre@gmail.com> | 2020-02-05 22:33:03 +0100 |
commit | 1d4bb7ceb0cef79d68df0bacc913b01e40e6ddd6 (patch) | |
tree | e088b0fa43058afde1db71541d8fcb4b94905d6e /vendor/github.com/go-errors/errors/parse_panic.go | |
parent | f093be96e98284580d61664adecd0a2ff8b354e4 (diff) | |
download | git-bug-1d4bb7ceb0cef79d68df0bacc913b01e40e6ddd6.tar.gz |
migrate to go modules
Diffstat (limited to 'vendor/github.com/go-errors/errors/parse_panic.go')
-rw-r--r-- | vendor/github.com/go-errors/errors/parse_panic.go | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/vendor/github.com/go-errors/errors/parse_panic.go b/vendor/github.com/go-errors/errors/parse_panic.go deleted file mode 100644 index cc37052d..00000000 --- a/vendor/github.com/go-errors/errors/parse_panic.go +++ /dev/null @@ -1,127 +0,0 @@ -package errors - -import ( - "strconv" - "strings" -) - -type uncaughtPanic struct{ message string } - -func (p uncaughtPanic) Error() string { - return p.message -} - -// ParsePanic allows you to get an error object from the output of a go program -// that panicked. This is particularly useful with https://github.com/mitchellh/panicwrap. -func ParsePanic(text string) (*Error, error) { - lines := strings.Split(text, "\n") - - state := "start" - - var message string - var stack []StackFrame - - for i := 0; i < len(lines); i++ { - line := lines[i] - - if state == "start" { - if strings.HasPrefix(line, "panic: ") { - message = strings.TrimPrefix(line, "panic: ") - state = "seek" - } else { - return nil, Errorf("bugsnag.panicParser: Invalid line (no prefix): %s", line) - } - - } else if state == "seek" { - if strings.HasPrefix(line, "goroutine ") && strings.HasSuffix(line, "[running]:") { - state = "parsing" - } - - } else if state == "parsing" { - if line == "" { - state = "done" - break - } - createdBy := false - if strings.HasPrefix(line, "created by ") { - line = strings.TrimPrefix(line, "created by ") - createdBy = true - } - - i++ - - if i >= len(lines) { - return nil, Errorf("bugsnag.panicParser: Invalid line (unpaired): %s", line) - } - - frame, err := parsePanicFrame(line, lines[i], createdBy) - if err != nil { - return nil, err - } - - stack = append(stack, *frame) - if createdBy { - state = "done" - break - } - } - } - - if state == "done" || state == "parsing" { - return &Error{Err: uncaughtPanic{message}, frames: stack}, nil - } - return nil, Errorf("could not parse panic: %v", text) -} - -// 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 -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 -} |