1 // goredo -- djb's redo implementation on pure Go
2 // Copyright (C) 2020-2024 Sergey Matveev <stargrave@stargrave.org>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, version 3 of the License.
8 // This program is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program. If not, see <http://www.gnu.org/licenses/>.
24 type ErrLineErr struct {
31 func (err ErrLineErr) Error() string {
32 return fmt.Sprintf("%s:%d: %s: %s", err.file, err.line, err.function, err.err)
35 func (err ErrLineErr) Unwrap() error {
39 func ErrLine(err error) error {
43 pc := make([]uintptr, 10)
44 n := runtime.Callers(2, pc)
46 frames := runtime.CallersFrames(pc)
47 frame, _ := frames.Next()
48 var errLine ErrLineErr
49 if errors.As(err, &errLine) {
50 errLine.function = frame.Function + "," + errLine.function
53 return ErrLineErr{err, frame.File, frame.Line, frame.Function}