/
error_value.go
56 lines (45 loc) · 1002 Bytes
/
error_value.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
package core
import "fmt"
var (
ERR_PROPNAMES = []string{"text", "data"}
_ = error(Error{})
)
// An Error represents an error with some immutable data, Error implements Value.
type Error struct {
goError error
data Serializable
}
func NewError(err error, data Serializable) Error {
if data.IsMutable() {
panic(fmt.Errorf("failed to create error: data should be immutable: %T", data))
}
return Error{
goError: err,
data: data,
}
}
func (e Error) Text() string {
return e.goError.Error()
}
func (e Error) Error() string {
return e.Text()
}
func (e Error) Data() Value {
return e.data
}
func (e Error) Prop(ctx *Context, name string) Value {
switch name {
case "text":
return String(e.goError.Error())
case "data":
return e.data
default:
panic(FormatErrPropertyDoesNotExist(name, e))
}
}
func (Error) SetProp(ctx *Context, name string, value Value) error {
return ErrCannotSetProp
}
func (Error) PropertyNames(ctx *Context) []string {
return ERR_PROPNAMES
}