stak_device/primitive_set/
error.rs

1use core::{
2    error,
3    fmt::{self, Display, Formatter},
4};
5use stak_vm::Exception;
6
7/// An error of primitives.
8#[derive(Clone, Debug, Eq, PartialEq)]
9pub enum PrimitiveError {
10    /// A failure to read from standard input.
11    ReadInput,
12    /// A virtual machine error.
13    Vm(stak_vm::Error),
14    /// A failure to write to standard error.
15    WriteError,
16    /// A failure to write to standard output.
17    WriteOutput,
18}
19
20impl Exception for PrimitiveError {
21    fn is_critical(&self) -> bool {
22        match self {
23            Self::ReadInput | Self::WriteError | Self::WriteOutput => false,
24            Self::Vm(error) => error.is_critical(),
25        }
26    }
27}
28
29impl error::Error for PrimitiveError {}
30
31impl Display for PrimitiveError {
32    fn fmt(&self, formatter: &mut Formatter) -> fmt::Result {
33        match self {
34            Self::ReadInput => write!(formatter, "failed to read input"),
35            Self::Vm(error) => write!(formatter, "{error}"),
36            Self::WriteError => write!(formatter, "failed to write error"),
37            Self::WriteOutput => write!(formatter, "failed to write output"),
38        }
39    }
40}
41
42impl From<stak_vm::Error> for PrimitiveError {
43    fn from(error: stak_vm::Error) -> Self {
44        Self::Vm(error)
45    }
46}
stak_device/primitive_set/error.rs

stak_device/primitive_set/
error.rs
