1 package common
2
3 import (
4 "flag"
5 "fmt"
6 )
7
8 var (
9 wrapper func(error) error
10 new_error func(format string, args ...any) error
11 err2str func(error) string
12 err2strWithSingleLineStack func(error) string
13 err2strWithStackTrace func(error) string
14 with_stack = flag.Bool("ge_err_with_stack", false, "if true print stacktrace on errors")
15 )
16
17 func Wrap(err error) error {
18 if wrapper == nil {
19 return err
20 }
21 return wrapper(err)
22 }
23 func Errorf(format string, args ...any) error {
24 if new_error == nil {
25 return fmt.Errorf(format, args...)
26 }
27 return new_error(format, args...)
28 }
29 func Err2Str(err error) string {
30 if err2str == nil {
31 return fmt.Sprintf("%s", err)
32 }
33 if *with_stack {
34 return err2strWithStackTrace(err)
35 }
36 return err2str(err)
37 }
38 func RegisterErr(f1, f2, f3 func(error) string, f4 func(error) error, f5 func(format string, args ...any) error) {
39 err2str = f1
40 err2strWithSingleLineStack = f2
41 err2strWithStackTrace = f3
42 wrapper = f4
43 new_error = f5
44 }
45
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