80 lines
2.1 KiB
Rust
80 lines
2.1 KiB
Rust
#![allow(dead_code)] // this is a developer's toolbox
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use std::{panic, panic::PanicInfo};
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/// Export all of the ancillary tools from here as well.
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pub use crate::utils::debug::*;
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/// Log event at given level in debug-mode (when debug-assertions are enabled).
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/// In release-mode it becomes DEBUG level, and possibly subject to elision.
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///
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/// Release-mode can be simulated in debug-mode builds by enabling the feature
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/// 'dev_release_log_level'.
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#[macro_export]
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macro_rules! debug_event {
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( $level:expr, $($x:tt)+ ) => {
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if cfg!(debug_assertions) && cfg!(not(feature = "dev_release_log_level")) {
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tracing::event!( $level, $($x)+ );
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} else {
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tracing::debug!( $($x)+ );
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}
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}
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}
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/// Log message at the ERROR level in debug-mode (when debug-assertions are
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/// enabled). In release-mode it becomes DEBUG level, and possibly subject to
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/// elision.
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#[macro_export]
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macro_rules! debug_error {
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( $($x:tt)+ ) => {
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$crate::debug_event!(tracing::Level::ERROR, $($x)+ );
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}
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}
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/// Log message at the WARN level in debug-mode (when debug-assertions are
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/// enabled). In release-mode it becomes DEBUG level, and possibly subject to
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/// elision.
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#[macro_export]
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macro_rules! debug_warn {
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( $($x:tt)+ ) => {
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$crate::debug_event!(tracing::Level::WARN, $($x)+ );
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}
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}
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/// Log message at the INFO level in debug-mode (when debug-assertions are
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/// enabled). In release-mode it becomes DEBUG level, and possibly subject to
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/// elision.
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#[macro_export]
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macro_rules! debug_info {
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( $($x:tt)+ ) => {
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$crate::debug_event!(tracing::Level::INFO, $($x)+ );
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}
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}
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pub fn set_panic_trap() {
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let next = panic::take_hook();
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panic::set_hook(Box::new(move |info| {
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panic_handler(info, &next);
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}));
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}
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#[inline(always)]
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fn panic_handler(info: &PanicInfo<'_>, next: &dyn Fn(&PanicInfo<'_>)) {
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trap();
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next(info);
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}
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#[inline(always)]
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pub fn trap() {
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#[cfg(core_intrinsics)]
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//SAFETY: embeds llvm intrinsic for hardware breakpoint
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unsafe {
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std::intrinsics::breakpoint();
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}
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#[cfg(all(not(core_intrinsics), target_arch = "x86_64"))]
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//SAFETY: embeds instruction for hardware breakpoint
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unsafe {
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std::arch::asm!("int3");
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}
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}
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