embassy/embassy-stm32f4/src/fmt.rs
2020-12-28 09:17:36 -06:00

119 lines
2.6 KiB
Rust

#![macro_use]
#[cfg(all(feature = "defmt", feature = "log"))]
compile_error!("You may not enable both `defmt` and `log` features.");
pub use fmt::*;
#[cfg(feature = "defmt")]
mod fmt {
pub use defmt::{
assert, assert_eq, assert_ne, debug, debug_assert, debug_assert_eq, debug_assert_ne, error,
info, panic, todo, trace, unreachable, unwrap, warn,
};
}
#[cfg(feature = "log")]
mod fmt {
pub use core::{
assert, assert_eq, assert_ne, debug_assert, debug_assert_eq, debug_assert_ne, panic, todo,
unreachable,
};
pub use log::{debug, error, info, trace, warn};
}
#[cfg(not(any(feature = "defmt", feature = "log")))]
mod fmt {
#![macro_use]
pub use core::{
assert, assert_eq, assert_ne, debug_assert, debug_assert_eq, debug_assert_ne, panic, todo,
unreachable,
};
#[macro_export]
macro_rules! trace {
($($msg:expr),+ $(,)?) => {
()
};
}
#[macro_export]
macro_rules! debug {
($($msg:expr),+ $(,)?) => {
()
};
}
#[macro_export]
macro_rules! info {
($($msg:expr),+ $(,)?) => {
()
};
}
#[macro_export]
macro_rules! warn {
($($msg:expr),+ $(,)?) => {
()
};
}
#[macro_export]
macro_rules! error {
($($msg:expr),+ $(,)?) => {
()
};
}
}
#[cfg(not(feature = "defmt"))]
#[macro_export]
macro_rules! unwrap {
($arg:expr) => {
match $crate::fmt::Try::into_result($arg) {
::core::result::Result::Ok(t) => t,
::core::result::Result::Err(e) => {
::core::panic!("unwrap of `{}` failed: {:?}", ::core::stringify!($arg), e);
}
}
};
($arg:expr, $($msg:expr),+ $(,)? ) => {
match $crate::fmt::Try::into_result($arg) {
::core::result::Result::Ok(t) => t,
::core::result::Result::Err(e) => {
::core::panic!("unwrap of `{}` failed: {}: {:?}", ::core::stringify!($arg), ::core::format_args!($($msg,)*), e);
}
}
}
}
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct NoneError;
pub trait Try {
type Ok;
type Error;
fn into_result(self) -> Result<Self::Ok, Self::Error>;
}
impl<T> Try for Option<T> {
type Ok = T;
type Error = NoneError;
#[inline]
fn into_result(self) -> Result<T, NoneError> {
self.ok_or(NoneError)
}
}
impl<T, E> Try for Result<T, E> {
type Ok = T;
type Error = E;
#[inline]
fn into_result(self) -> Self {
self
}
}