reduce Error-related codegen; add PoisonError

Signed-off-by: Jason Volk <jason@zemos.net>

src/core/config/mod.rs

@@ -2001,6 +2001,7 @@ fn default_rocksdb_stats_level() -> u8 { 1 }
 
 // I know, it's a great name
 #[must_use]
+#[inline]
 pub fn default_default_room_version() -> RoomVersionId { RoomVersionId::V10 }
 
 fn default_ip_range_denylist() -> Vec<String> {

src/core/error/err.rs

@@ -137,6 +137,7 @@ macro_rules! err_log {
 		let visit = &mut |vs: ValueSet<'_>| {
 			struct Visitor<'a>(&'a mut String);
 			impl Visit for Visitor<'_> {
+				#[inline]
 				fn record_debug(&mut self, field: &Field, val: &dyn fmt::Debug) {
 					if field.name() == "message" {
 						write!(self.0, "{:?}", val).expect("stream error");

src/core/error/mod.rs

@@ -4,7 +4,7 @@ mod panic;
 mod response;
 mod serde;
 
-use std::{any::Any, borrow::Cow, convert::Infallible, fmt};
+use std::{any::Any, borrow::Cow, convert::Infallible, fmt, sync::PoisonError};
 
 pub use self::log::*;
 use crate::error;
@@ -59,6 +59,8 @@ pub enum Error {
 	JsTryFromInt(#[from] ruma::JsTryFromIntError), // js_int re-export
 	#[error(transparent)]
 	Path(#[from] axum::extract::rejection::PathRejection),
+	#[error("Mutex poisoned: {0}")]
+	Poison(Cow<'static, str>),
 	#[error("Regex error: {0}")]
 	Regex(#[from] regex::Error),
 	#[error("Request error: {0}")]
@@ -184,6 +186,12 @@ impl fmt::Debug for Error {
 	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{}", self.message()) }
 }
 
+impl<T> From<PoisonError<T>> for Error {
+	#[cold]
+	#[inline(never)]
+	fn from(e: PoisonError<T>) -> Self { Self::Poison(e.to_string().into()) }
+}
+
 #[allow(clippy::fallible_impl_from)]
 impl From<Infallible> for Error {
 	#[cold]

src/core/error/panic.rs

@@ -10,11 +10,14 @@ impl UnwindSafe for Error {}
 impl RefUnwindSafe for Error {}
 
 impl Error {
+	#[inline]
 	pub fn panic(self) -> ! { panic_any(self.into_panic()) }
 
 	#[must_use]
+	#[inline]
 	pub fn from_panic(e: Box<dyn Any + Send>) -> Self { Self::Panic(debug::panic_str(&e), e) }
 
+	#[inline]
 	pub fn into_panic(self) -> Box<dyn Any + Send + 'static> {
 		match self {
 			Self::Panic(_, e) | Self::PanicAny(e) => e,
@@ -24,6 +27,7 @@ impl Error {
 	}
 
 	/// Get the panic message string.
+	#[inline]
 	pub fn panic_str(self) -> Option<&'static str> {
 		self.is_panic()
 			.then_some(debug::panic_str(&self.into_panic()))

src/core/error/response.rs

@@ -26,6 +26,7 @@ impl axum::response::IntoResponse for Error {
 }
 
 impl From<Error> for UiaaResponse {
+	#[inline]
 	fn from(error: Error) -> Self {
 		if let Error::Uiaa(uiaainfo) = error {
 			return Self::AuthResponse(uiaainfo);