pnmixer-rust/src/errors.rs

114 lines
2.6 KiB
Rust

use alsa;
use glib;
use std::convert::From;
use std;
use toml;
error_chain! {
foreign_links {
Alsa(alsa::Error);
IO(std::io::Error);
Toml(toml::de::Error);
}
}
#[macro_export]
macro_rules! try_w {
($expr:expr) => {
try_wr!($expr, ())
};
($expr:expr, $fmt:expr, $($arg:tt)+) => {
try_wr!($expr, (), $fmt, $(arg)+)
};
($expr:expr, $fmt:expr) => {
try_wr!($expr, (), $fmt)
}
}
#[macro_export]
macro_rules! try_wr {
($expr:expr, $ret:expr) => (match $expr {
::std::result::Result::Ok(val) => val,
::std::result::Result::Err(err) => {
warn!("{:?}", err);
return $ret;
},
});
($expr:expr, $ret:expr, $fmt:expr) => (match $expr {
::std::result::Result::Ok(val) => val,
::std::result::Result::Err(err) => {
warn!("Original error: {:?}", err);
warn!($fmt);
return $ret;
},
});
($expr:expr, $ret:expr, $fmt:expr, $($arg:tt)+) => (match $expr {
::std::result::Result::Ok(val) => val,
::std::result::Result::Err(err) => {
warn!("Original error: {:?}", err);
warn!(format!($fmt, $(arg)+));
return $ret;
},
})
}
#[macro_export]
macro_rules! try_r {
($expr:expr, $ret:expr) => (match $expr {
::std::result::Result::Ok(val) => val,
::std::result::Result::Err(_) => {
return $ret;
},
});
}
#[macro_export]
macro_rules! try_e {
($expr:expr) => {
try_er!($expr, ())
};
($expr:expr, $fmt:expr, $($arg:tt)+) => {
try_er!($expr, (), $fmt, $(arg)+)
};
($expr:expr, $fmt:expr) => {
try_er!($expr, (), $fmt)
}
}
#[macro_export]
macro_rules! try_er {
($expr:expr, $ret:expr) => (match $expr {
::std::result::Result::Ok(val) => val,
::std::result::Result::Err(err) => {
error!("{:?}", err);
::std::process::exit(1);
},
});
($expr:expr, $ret:expr, $fmt:expr) => (match $expr {
::std::result::Result::Ok(val) => val,
::std::result::Result::Err(err) => {
error!("Original error: {:?}", err);
error!($fmt);
std::process::exit(1);
},
});
($expr:expr, $ret:expr, $fmt:expr, $($arg:tt)+) => (match $expr {
::std::result::Result::Ok(val) => val,
::std::result::Result::Err(err) => {
error!("Original error: {:?}", err);
error!(format!($fmt, $(arg)+));
std::process::exit(1);
},
})
}