Interface CallbacksExt

src/driver.rs:21–28

use rustc_session::{EarlyDiagCtxt, Session};

pub trait CallbacksExt: Callbacks + Send + 'static {
    type ExtCtxt<'tcx>: DynSend + DynSync;

    /// Create a new context that extends `TyCtxt`.
    fn ext_cx<'tcx>(&mut self, _tcx: TyCtxt<'tcx>) -> Self::ExtCtxt<'tcx>;

    fn after_codegen<'tcx>(&mut self, _cx: &'tcx Self::ExtCtxt<'tcx>) {}
}

/// Mapping from `TyCtxt<'tcx>` to `Ctxt<'tcx>`.
static TCX_EXT_MAP: LazyLock<Mutex<FxHashMap<usize, Box<dyn Any + Send + Sync>>>> =