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

use eyre;
use core::fmt::Display;
use crate::tracer::{ErrorTracer, ErrorMessageTracer};

pub type EyreTracer = eyre::Report;

impl ErrorMessageTracer for EyreTracer
{
  fn new_message<E: Display>(err: &E) -> Self {
    let message = alloc::format!("{}", err);
    EyreTracer::msg(message)
  }

  fn add_message<E: Display>(self, err: &E) -> Self {
    let message = alloc::format!("{}", err);
    self.wrap_err(message)
  }

  #[cfg(feature = "std")]
  fn as_error(&self) -> Option<&(dyn std::error::Error + 'static)> {
    use core::ops::Deref;
    Some(self.deref())
  }
}

impl <E> ErrorTracer<E> for EyreTracer
where
  E: std::error::Error + Send + Sync + 'static,
{
  fn new_trace(err: &E) -> Self {
    EyreTracer::new_message(err)
  }

  fn add_trace(self, err: &E) -> Self {
    let message = alloc::format!("{}", err);
    self.wrap_err(message)
  }
}