bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Track span dependency using a callback.

Browse source
This commit is contained in:
Camille GILLOT 2021-04-27 19:24:33 +02:00
parent e85ddeb474
commit b19ae20aad
6 changed files with 40 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

9
compiler/rustc_interface/src/callbacks.rs
View file

@ -25,6 +25,14 @@ fn span_debug(span: rustc_span::Span, f: &mut fmt::Formatter<'_>) -> fmt::Result
})
}
fn track_span_parent(def_id: rustc_span::def_id::LocalDefId) {
tls::with_opt(|tcx| {
if let Some(tcx) = tcx {
let _ = tcx.source_span(def_id);
}
})
}
/// This is a callback from `rustc_ast` as it cannot access the implicit state
/// in `rustc_middle` otherwise. It is used to when diagnostic messages are
/// emitted and stores them in the current query, if there is one.
@ -56,6 +64,7 @@ fn def_id_debug(def_id: rustc_hir::def_id::DefId, f: &mut fmt::Formatter<'_>) ->
/// TyCtxt in.
pub fn setup_callbacks() {
rustc_span::SPAN_DEBUG.swap(&(span_debug as fn(_, &mut fmt::Formatter<'_>) -> _));
rustc_span::SPAN_TRACK.swap(&(track_span_parent as fn(_)));
rustc_hir::def_id::DEF_ID_DEBUG.swap(&(def_id_debug as fn(_, &mut fmt::Formatter<'_>) -> _));
TRACK_DIAGNOSTICS.swap(&(track_diagnostic as fn(&_)));
}