asimov_core/
error.rs

1// This is free and unencumbered software released into the public domain.
2
3use alloc::string::{FromUtf8Error, FromUtf16Error, String, ToString};
4use core::{
5    ffi::FromBytesWithNulError,
6    fmt,
7    num::{ParseFloatError, ParseIntError},
8    str::Utf8Error,
9};
10
11pub type Result<T, E = Error> = core::result::Result<T, E>;
12
13#[allow(unused)]
14#[derive(Clone, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
15pub enum Error {
16    TimeoutExpired,
17    ExitRequested,
18    #[default]
19    NotImplemented,
20    PreconditionViolated,
21    HostMemoryExhausted,
22    DeviceMemoryExhausted,
23    SizeInsufficient,
24    Other(String),
25}
26
27#[allow(unused)]
28impl Error {
29    pub fn new(message: &str) -> Self {
30        Self::Other(message.to_string())
31    }
32}
33
34impl fmt::Display for Error {
35    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
36        match self {
37            Self::TimeoutExpired => write!(f, "Timeout expired"),
38            Self::ExitRequested => write!(f, "Exit requested"),
39            Self::NotImplemented => write!(f, "Not implemented"),
40            Self::PreconditionViolated => write!(f, "Precondition violated"),
41            Self::HostMemoryExhausted => write!(f, "Host memory exhausted"),
42            Self::DeviceMemoryExhausted => write!(f, "Device memory exhausted"),
43            Self::SizeInsufficient => write!(f, "Size insufficient"),
44            Self::Other(message) => write!(f, "{}", message),
45        }
46    }
47}
48
49impl core::error::Error for Error {}
50
51impl From<ParseFloatError> for Error {
52    fn from(error: ParseFloatError) -> Self {
53        Self::Other(error.to_string())
54    }
55}
56
57impl From<ParseIntError> for Error {
58    fn from(error: ParseIntError) -> Self {
59        Self::Other(error.to_string())
60    }
61}
62
63impl From<Utf8Error> for Error {
64    fn from(error: Utf8Error) -> Self {
65        Self::Other(error.to_string())
66    }
67}
68
69impl From<FromUtf8Error> for Error {
70    fn from(error: FromUtf8Error) -> Self {
71        Self::Other(error.to_string())
72    }
73}
74
75impl From<FromUtf16Error> for Error {
76    fn from(error: FromUtf16Error) -> Self {
77        Self::Other(error.to_string())
78    }
79}
80
81impl From<FromBytesWithNulError> for Error {
82    fn from(error: FromBytesWithNulError) -> Self {
83        Self::Other(error.to_string())
84    }
85}
86
87#[cfg(feature = "std")]
88impl From<std::ffi::CString> for Error {
89    fn from(error: std::ffi::CString) -> Self {
90        Self::Other(error.to_string_lossy().to_string())
91    }
92}
93
94#[cfg(feature = "std")]
95impl From<std::ffi::IntoStringError> for Error {
96    fn from(error: std::ffi::IntoStringError) -> Self {
97        Self::Other(error.to_string())
98    }
99}
100
101#[cfg(feature = "std")]
102impl From<std::ffi::NulError> for Error {
103    fn from(error: std::ffi::NulError) -> Self {
104        Self::Other(error.to_string())
105    }
106}
107
108#[cfg(feature = "std")]
109impl From<std::ffi::OsString> for Error {
110    fn from(error: std::ffi::OsString) -> Self {
111        Self::Other(error.to_string_lossy().to_string())
112    }
113}
114
115#[cfg(feature = "std")]
116impl From<std::io::Error> for Error {
117    fn from(error: std::io::Error) -> Self {
118        Self::Other(error.to_string())
119    }
120}
asimov_core/error.rs

asimov_core/
error.rs
