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output panics for simpler diagnosis

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This commit is contained in:
Stephan Dilly 2020-05-21 12:16:33 +02:00
parent 35f4555b2d
commit 5936757538
1 changed files with 16 additions and 4 deletions
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20
src/main.rs
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@ -54,11 +54,9 @@ fn main() -> Result<()> {
return Ok(());
}
enable_raw_mode()?;
io::stdout().execute(EnterAlternateScreen)?;
setup_terminal()?;
defer! {
io::stdout().execute(LeaveAlternateScreen).unwrap();
disable_raw_mode().unwrap();
shutdown_terminal().expect("shutdown failed");
}
set_panic_handlers();
@ -118,6 +116,18 @@ fn main() -> Result<()> {
Ok(())
}
fn setup_terminal() -> Result<()> {
enable_raw_mode()?;
io::stdout().execute(EnterAlternateScreen)?;
Ok(())
}
fn shutdown_terminal() -> Result<()> {
io::stdout().execute(LeaveAlternateScreen)?;
disable_raw_mode()?;
Ok(())
}
fn draw<B: Backend>(
terminal: &mut Terminal<B>,
app: &mut App,
@ -202,6 +212,8 @@ fn set_panic_handlers() {
panic::set_hook(Box::new(|e| {
let backtrace = Backtrace::new();
error!("panic: {:?}\ntrace:\n{:?}", e, backtrace);
shutdown_terminal().expect("shutdown failed inside panic");
eprintln!("panic: {:?}\ntrace:\n{:?}", e, backtrace);
}));
// global threadpool