diff --git a/crates/base-db/src/lib.rs b/crates/base-db/src/lib.rs index f7f4e024ef..a67fbf75c0 100644 --- a/crates/base-db/src/lib.rs +++ b/crates/base-db/src/lib.rs @@ -387,10 +387,8 @@ fn relevant_crates(db: &dyn RootQueryDb, file_id: FileId) -> Arc<[Crate]> { } #[must_use] -pub struct DbPanicContext { - // prevent arbitrary construction - _priv: (), -} +#[non_exhaustive] +pub struct DbPanicContext; impl Drop for DbPanicContext { fn drop(&mut self) { @@ -404,18 +402,18 @@ impl DbPanicContext { fn set_hook() { let default_hook = panic::take_hook(); panic::set_hook(Box::new(move |panic_info| { + default_hook(panic_info); + if let Some(backtrace) = salsa::Backtrace::capture() { + eprintln!("{backtrace:#}"); + } DbPanicContext::with_ctx(|ctx| { if !ctx.is_empty() { - eprintln!("Panic context:"); - for frame in ctx.iter() { - eprintln!("> {frame}\n"); + eprintln!("additional context:"); + for (idx, frame) in ctx.iter().enumerate() { + eprintln!("{idx:>4}: {frame}\n"); } } }); - if let Some(backtrace) = salsa::Backtrace::capture() { - eprintln!("{backtrace}"); - } - default_hook(panic_info); })); } @@ -423,7 +421,7 @@ impl DbPanicContext { SET_HOOK.call_once(set_hook); Self::with_ctx(|ctx| ctx.push(frame)); - DbPanicContext { _priv: () } + DbPanicContext } fn with_ctx(f: impl FnOnce(&mut Vec)) {