winit/winit-appkit/src/util.rs
2025-10-20 00:01:36 +09:00

38 lines
1,005 B
Rust

use objc2_core_graphics::CGError;
use tracing::trace;
use winit_core::error::OsError;
macro_rules! os_error {
($error:expr) => {{ winit_core::error::OsError::new(line!(), file!(), $error) }};
}
macro_rules! trace_scope {
($s:literal) => {
let _crate = $crate::util::TraceGuard::new(module_path!(), $s);
};
}
pub(crate) struct TraceGuard {
module_path: &'static str,
called_from_fn: &'static str,
}
impl TraceGuard {
#[inline]
pub(crate) fn new(module_path: &'static str, called_from_fn: &'static str) -> Self {
trace!(target = module_path, "Triggered `{}`", called_from_fn);
Self { module_path, called_from_fn }
}
}
impl Drop for TraceGuard {
#[inline]
fn drop(&mut self) {
trace!(target = self.module_path, "Completed `{}`", self.called_from_fn);
}
}
#[track_caller]
pub(crate) fn cgerr(err: CGError) -> Result<(), OsError> {
if err == CGError::Success { Ok(()) } else { Err(os_error!(format!("CGError {err:?}"))) }
}