bjoernager/rust
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transmute: use diagnostic item

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This commit is contained in:
Bastian Kauschke 2020-09-19 10:57:13 +02:00
parent ac19c3bda1
commit 4debbdc6b9
4 changed files with 17 additions and 9 deletions
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14
compiler/rustc_passes/src/diagnostic_items.rs
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@ -12,11 +12,11 @@
use rustc_ast as ast;
use rustc_data_structures::fx::FxHashMap;
use rustc_hir as hir;
use rustc_hir::def_id::{DefId, LOCAL_CRATE};
use rustc_hir::itemlikevisit::ItemLikeVisitor;
use rustc_middle::ty::query::Providers;
use rustc_middle::ty::TyCtxt;
use rustc_session::Session;
use rustc_span::def_id::{DefId, LOCAL_CRATE};
use rustc_span::symbol::{sym, Symbol};
struct DiagnosticItemCollector<'tcx> {
@ -100,6 +100,18 @@ fn collect<'tcx>(tcx: TyCtxt<'tcx>) -> FxHashMap<Symbol, DefId> {
// Collect diagnostic items in this crate.
tcx.hir().krate().visit_all_item_likes(&mut collector);
// FIXME(visit_all_item_likes): Foreign items are not visited
// here, so we have to manually look at them for now.
for foreign_module in tcx.foreign_modules(LOCAL_CRATE) {
for &foreign_item in foreign_module.foreign_items.iter() {
match tcx.hir().get(tcx.hir().local_def_id_to_hir_id(foreign_item.expect_local())) {
hir::Node::ForeignItem(item) => {
collector.observe_item(item.attrs, item.hir_id);
}
item => bug!("unexpected foreign item {:?}", item),
}
}
}
collector.items
}