rustpython_parser_core/
error.rs1use crate::text_size::TextSize;
2use std::fmt::Display;
3
4#[derive(Debug, PartialEq, Eq)]
5pub struct BaseError<T> {
6 pub error: T,
7 pub offset: TextSize,
8 pub source_path: String,
9}
10
11impl<T> std::ops::Deref for BaseError<T> {
12 type Target = T;
13
14 fn deref(&self) -> &Self::Target {
15 &self.error
16 }
17}
18
19impl<T> std::error::Error for BaseError<T>
20where
21 T: std::error::Error + 'static,
22{
23 fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
24 Some(&self.error)
25 }
26}
27
28impl<T> Display for BaseError<T>
29where
30 T: std::fmt::Display,
31{
32 fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
33 write!(
34 f,
35 "{} at byte offset {}",
36 &self.error,
37 u32::from(self.offset)
38 )
39 }
40}
41
42impl<T> BaseError<T> {
43 pub fn error(self) -> T {
44 self.error
45 }
46
47 pub fn from<U>(obj: BaseError<U>) -> Self
48 where
49 U: Into<T>,
50 {
51 Self {
52 error: obj.error.into(),
53 offset: obj.offset,
54 source_path: obj.source_path,
55 }
56 }
57
58 pub fn into<U>(self) -> BaseError<U>
59 where
60 T: Into<U>,
61 {
62 BaseError::from(self)
63 }
64}