Method from_frame

libs/error-stack/src/report.rs:297–344

(frame: Frame)

    #[track_caller]
    pub(crate) fn from_frame(frame: Frame) -> Self {
        #[cfg(nightly)]
        let location = core::error::request_ref::<Location>(&frame.as_error())
            .is_none()
            .then_some(Location::caller());

        #[cfg(not(nightly))]
        let location = Some(Location::caller());

        #[cfg(all(nightly, feature = "backtrace"))]
        let backtrace = core::error::request_ref::<Backtrace>(&frame.as_error())
            .is_none_or(|backtrace| backtrace.status() != BacktraceStatus::Captured)
            .then(Backtrace::capture);

        #[cfg(all(not(nightly), feature = "backtrace"))]
        let backtrace = Some(Backtrace::capture());

        #[cfg(all(nightly, feature = "spantrace"))]
        let span_trace = core::error::request_ref::<SpanTrace>(&frame.as_error())
            .is_none_or(|span_trace| span_trace.status() != SpanTraceStatus::CAPTURED)
            .then(SpanTrace::capture);

        #[cfg(all(not(nightly), feature = "spantrace"))]
        let span_trace = Some(SpanTrace::capture());

        let mut report = Self {
            frames: Box::new(vec![frame]),
            _context: PhantomData,
        };

        if let Some(location) = location {
            report = report.attach_opaque(*location);
        }

        #[cfg(feature = "backtrace")]
        if let Some(backtrace) =
            backtrace.filter(|bt| matches!(bt.status(), BacktraceStatus::Captured))
        {
            report = report.attach_opaque(backtrace);
        }

        #[cfg(feature = "spantrace")]
        if let Some(span_trace) = span_trace.filter(|st| st.status() == SpanTraceStatus::CAPTURED) {
            report = report.attach_opaque(span_trace);
        }

        report
    }

    /// Converts a `Report` with a single context into a `Report` with multiple contexts.
    ///