macrotest/
error.rs

1#[derive(Debug)]
2pub(crate) enum Error {
3    Cargo(std::io::Error),
4    CargoExpandExecution(String),
5    CargoFail,
6    CargoMetadata(serde_json::error::Error),
7    Io(std::io::Error),
8    TomlSer(toml::ser::Error),
9    TomlDe(toml::de::Error),
10    Glob(glob::GlobError),
11    GlobPattern(glob::PatternError),
12    ManifestDir,
13    PkgName,
14    UnrecognizedEnv(std::ffi::OsString),
15}
16
17pub(crate) type Result<T> = std::result::Result<T, Error>;
18
19impl std::fmt::Display for Error {
20    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
21        use self::Error::*;
22
23        match self {
24            Cargo(e) => write!(f, "{}", e),
25            CargoExpandExecution(e) => write!(f, "Failed to execute cargo command: {}", e),
26            CargoFail => write!(f, "cargo reported an error"),
27            CargoMetadata(e) => write!(f, "{}", e),
28            Io(e) => write!(f, "{}", e),
29            TomlSer(e) => write!(f, "{}", e),
30            TomlDe(e) => write!(f, "{}", e),
31            Glob(e) => write!(f, "{}", e),
32            GlobPattern(e) => write!(f, "{}", e),
33            ManifestDir => write!(f, "could not find CARGO_MANIFEST_DIR env var"),
34            PkgName => write!(f, "could not find CARGO_PKG_NAME env var"),
35            UnrecognizedEnv(e) => write!(
36                f,
37                "unrecognized value of MACROTEST: \"{}\"",
38                e.to_string_lossy()
39            ),
40        }
41    }
42}
43
44impl From<std::io::Error> for Error {
45    fn from(e: std::io::Error) -> Self {
46        Error::Io(e)
47    }
48}
49
50impl From<toml::ser::Error> for Error {
51    fn from(e: toml::ser::Error) -> Self {
52        Error::TomlSer(e)
53    }
54}
55
56impl From<toml::de::Error> for Error {
57    fn from(e: toml::de::Error) -> Self {
58        Error::TomlDe(e)
59    }
60}
61
62impl From<glob::GlobError> for Error {
63    fn from(e: glob::GlobError) -> Self {
64        Error::Glob(e)
65    }
66}
67
68impl From<glob::PatternError> for Error {
69    fn from(e: glob::PatternError) -> Self {
70        Error::GlobPattern(e)
71    }
72}
macrotest/error.rs

macrotest/
error.rs
