95 lines
3.6 KiB
Rust
95 lines
3.6 KiB
Rust
// nih-plug: plugins, but rewritten in Rust
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// Copyright (C) 2022 Robbert van der Helm
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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/// 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 $(, $arg:tt)* $(,)?) => (
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eprintln!(concat!("[", file!(), ":", line!(), "] ", $format), $($arg)*)
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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 $(, $arg:tt)* $(,)?) => (
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if cfg!(debug_assertions) && !$cond {
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nih_log!(concat!("Debug assertion failed: ", stringify!($cond), ", ", $format) $(, $arg)*);
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}
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);
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}
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/// An unconditional debug assertion failure, for if the condition has already been checked
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/// elsewhere.
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#[macro_export]
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macro_rules! nih_debug_assert_failure {
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() => (
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if cfg!(debug_assertions) {
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nih_log!("Debug assertion failed");
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}
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);
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($format:expr $(, $arg:tt)* $(,)?) => (
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if cfg!(debug_assertions) {
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nih_log!(concat!("Debug assertion failed: ", $format) $(, $arg)*);
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}
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);
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}
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/// A `debug_assert_eq!()` analogue that prints the error with line number information instead of
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/// panicking.
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#[macro_export]
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macro_rules! nih_debug_assert_eq {
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($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 $(, $arg: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) $(, $arg)*);
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}
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);
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}
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/// A `debug_assert_neq!()` analogue that prints the error with line number information instead of
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/// panicking.
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#[macro_export]
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macro_rules! nih_debug_assert_neq {
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($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 $(, $arg: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) $(, $arg)*);
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}
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);
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}
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