suri.codes
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1/// Sets the panic-hook to be customized color-eyre `panic_hook`.
2///
3/// Additionally the panic handler prints different information
4/// based on debug / release builds.
5pub fn init() -> color_eyre::Result<()> {
6 let (_panic_hook, eyre_hook) = color_eyre::config::HookBuilder::default()
7 .panic_section(format!(
8 "This is a bug. Please report it at {}",
9 env!("CARGO_PKG_REPOSITORY")
10 ))
11 .capture_span_trace_by_default(false)
12 .display_location_section(false)
13 .display_env_section(false)
14 .into_hooks();
15
16 eyre_hook.install()?;
17 std::panic::set_hook(Box::new(move |panic_info| {
18 //TODO: exit from terminal if the app is in a terminal
19
20 // in release mode, do human_panic printing
21 #[cfg(not(debug_assertions))]
22 {
23 use human_panic::{handle_dump, metadata, print_msg};
24 let metadata = metadata!();
25 let file_path = handle_dump(&metadata, panic_info);
26 print_msg(file_path, &metadata)
27 .expect("human-panic: printing error message to console failed");
28 eprintln!("{}", _panic_hook.panic_report(panic_info));
29 }
30
31 // in debug mode do better panic printing
32 #[cfg(debug_assertions)]
33 {
34 better_panic::Settings::auto()
35 .most_recent_first(false)
36 .lineno_suffix(true)
37 .verbosity(better_panic::Verbosity::Full)
38 .create_panic_handler()(panic_info);
39 }
40
41 // 1 = failure
42 std::process::exit(1)
43 }));
44
45 Ok(())
46}
47
48/// Akin to `dbg!` macro, except that it generates `tracing::Event`s instead
49/// of printing to standard error.
50///
51/// Can customize level by providing a `tracing::Level`, but its debug by default.
52#[macro_export]
53macro_rules! trace_dbg {
54 (target: $target:expr, level: $level:expr, $ex:expr) => {
55 {
56 match $ex {
57 value => {
58 tracing::event!(target: $target, $level, ?value, stringify!($ex));
59 value
60 }
61 }
62 }
63 };
64 (level: $level:expr, $ex:expr) => {
65 trace_dbg!(target: module_path!(), level: $level, $ex)
66 };
67
68 (target: $target:expr, $ex:expr) => {
69 trace_dbg!(target: $target, level: tracing::Level::DEBUG, $ex)
70 };
71 ($ex:expr) => {
72 trace_dbg!(level: tracing::Level::DEBUG, $ex)
73 };
74}