74 lines
1.0 KiB
Go
74 lines
1.0 KiB
Go
package WrappedError
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import (
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// Standard
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"errors"
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"fmt"
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"path"
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"runtime"
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)
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type Error struct {
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err error
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file string
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line int
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}
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type LogCallback func(Error)
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var (
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logCallback LogCallback
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baseDirLength int
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)
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func init() {
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_, file, _, _ := runtime.Caller(1)
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fmt.Printf("--\nWRAPPED_ERROR: %s\n--\n", file)
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dir := path.Dir(file)
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dirBase := path.Dir(dir)
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baseDirLength = len(dirBase)
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}
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func SetLogCallback(cbk LogCallback) {
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logCallback = cbk
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}
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func callback(wrapped Error) {
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if logCallback != nil {
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logCallback(wrapped)
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}
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}
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func (wrapped Error) Error() string {
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return fmt.Sprintf(
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"[%s:%d] %s",
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wrapped.file,
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wrapped.line,
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wrapped.err.Error(),
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)
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}
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func create(err error) error {
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_, file, line, _ := runtime.Caller(2)
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file = file[baseDirLength+1:]
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wrapped := Error{
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err: err,
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file: file,
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line: line,
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}
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callback(wrapped)
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return wrapped
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}
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func Wrap(err error) error {
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return create(err)
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}
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func New(msg string) error {
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wrapped := create(errors.New(msg))
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return wrapped
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}
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