2 goredo -- djb's redo implementation on pure Go
3 Copyright (C) 2020-2023 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
26 type ErrLineErr struct {
33 func (err ErrLineErr) Error() string {
34 return fmt.Sprintf("%s:%d: %s: %s", err.file, err.line, err.function, err.err)
37 func (err ErrLineErr) Unwrap() error {
41 func ErrLine(err error) error {
45 pc := make([]uintptr, 10)
46 n := runtime.Callers(2, pc)
48 frames := runtime.CallersFrames(pc)
49 frame, _ := frames.Next()
50 var errLine ErrLineErr
51 if errors.As(err, &errLine) {
52 errLine.function = frame.Function + "," + errLine.function
55 return ErrLineErr{err, frame.File, frame.Line, frame.Function}