79 lines
2.9 KiB
Rust
79 lines
2.9 KiB
Rust
/// Write something to the STDERR stream.
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///
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/// XXX: I don't think we need all of the log crate just for some simple logging, but maybe consider
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/// integrating some other crate with this function if we need to log to some other place than
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/// STDERR or if it needs to be done in release builds and we should thus try to avoid
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/// allocations.
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#[macro_export]
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macro_rules! nih_log {
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($format:expr $(, $($args:tt)*)?) => (
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eprintln!(concat!("[", file!(), ":", line!(), "] ", $format), $($($args)*)?)
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);
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}
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/// A `debug_assert!()` analogue that prints the error with line number information instead of
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/// panicking.
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///
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/// TODO: Detect if we're running under a debugger, and trigger a break if we are
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#[macro_export]
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macro_rules! nih_debug_assert {
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($cond:expr $(,)?) => (
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if cfg!(debug_assertions) && !$cond {
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nih_log!(concat!("Debug assertion failed: ", stringify!($cond)));
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}
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);
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($cond:expr, $format:expr $(, $($args:tt)*)?) => (
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if cfg!(debug_assertions) && !$cond {
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nih_log!(concat!("Debug assertion failed: ", stringify!($cond), ", ", $format), $($($args)*)?);
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}
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);
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}
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/// An unconditional debug assertion failure, for if the condition has already been checked
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/// elsewhere.
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#[macro_export]
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macro_rules! nih_debug_assert_failure {
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() => (
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if cfg!(debug_assertions) {
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nih_log!("Debug assertion failed");
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}
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);
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($format:expr $(, $($args:tt)*)?) => (
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if cfg!(debug_assertions) {
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nih_log!(concat!("Debug assertion failed: ", $format), $($($args)*)?);
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}
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);
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}
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/// A `debug_assert_eq!()` analogue that prints the error with line number information instead of
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/// panicking.
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#[macro_export]
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macro_rules! nih_debug_assert_eq {
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($left:expr, $right:expr $(,)?) => (
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if cfg!(debug_assertions) && $left != $right {
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nih_log!(concat!("Debug assertion failed: ", stringify!($left), " != ", stringify!($right)));
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}
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);
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($left:expr, $right:expr, $format:expr $(, $($args:tt)*)?) => (
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if cfg!(debug_assertions) && $left != $right {
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nih_log!(concat!("Debug assertion failed: ", stringify!($left), " != ", stringify!($right), ", ", $format), $($($args)*)?);
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}
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);
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}
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/// A `debug_assert_ne!()` analogue that prints the error with line number information instead of
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/// panicking.
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#[macro_export]
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macro_rules! nih_debug_assert_ne {
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($left:expr, $right:expr $(,)?) => (
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if cfg!(debug_assertions) && $left == $right {
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nih_log!(concat!("Debug assertion failed: ", stringify!($left), " == ", stringify!($right)));
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}
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);
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($left:expr, $right:expr, $format:expr $(, $($args:tt)*)?) => (
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if cfg!(debug_assertions) && $left == $right {
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nih_log!(concat!("Debug assertion failed: ", stringify!($left), " == ", stringify!($right), ", ", $format), $($($args)*)?);
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}
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);
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}
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