Move diagnostic_items queries to librustc_passes.

src/librustc/lib.rs

@@ -99,7 +99,6 @@
 pub mod middle {
     pub mod cstore;
     pub mod dependency_format;
-    pub mod diagnostic_items;
     pub mod exported_symbols;
     pub mod free_region;
     pub mod lang_items;

src/librustc/ty/context.rs

@@ -2759,14 +2759,6 @@ pub fn provide(providers: &mut ty::query::Providers<'_>) {
         assert_eq!(id, LOCAL_CRATE);
         tcx.arena.alloc(middle::lang_items::collect(tcx))
     };
-    providers.diagnostic_items = |tcx, id| {
-        assert_eq!(id, LOCAL_CRATE);
-        middle::diagnostic_items::collect(tcx)
-    };
-    providers.all_diagnostic_items = |tcx, id| {
-        assert_eq!(id, LOCAL_CRATE);
-        middle::diagnostic_items::collect_all(tcx)
-    };
     providers.maybe_unused_trait_import = |tcx, id| tcx.maybe_unused_trait_imports.contains(&id);
     providers.maybe_unused_extern_crates = |tcx, cnum| {
         assert_eq!(cnum, LOCAL_CRATE);

src/librustc_passes/diagnostic_items.rs

@@ -9,12 +9,13 @@
 //!
 //! * Compiler internal types like `Ty` and `TyCtxt`
 
-use crate::hir::def_id::{DefId, LOCAL_CRATE};
-use crate::ty::TyCtxt;
-use crate::util::nodemap::FxHashMap;
+use rustc::hir::def_id::{DefId, LOCAL_CRATE};
+use rustc::ty::query::Providers;
+use rustc::ty::TyCtxt;
+use rustc::util::nodemap::FxHashMap;
 
-use crate::hir;
-use crate::hir::itemlikevisit::ItemLikeVisitor;
+use rustc::hir;
+use rustc::hir::itemlikevisit::ItemLikeVisitor;
 use syntax::ast;
 use syntax::symbol::{sym, Symbol};
 
@@ -93,7 +94,7 @@ fn extract(attrs: &[ast::Attribute]) -> Option<Symbol> {
 }
 
 /// Traverse and collect the diagnostic items in the current
-pub fn collect<'tcx>(tcx: TyCtxt<'tcx>) -> &'tcx FxHashMap<Symbol, DefId> {
+fn collect<'tcx>(tcx: TyCtxt<'tcx>) -> &'tcx FxHashMap<Symbol, DefId> {
     // Initialize the collector.
     let mut collector = DiagnosticItemCollector::new(tcx);
 
@@ -104,7 +105,7 @@ pub fn collect<'tcx>(tcx: TyCtxt<'tcx>) -> &'tcx FxHashMap<Symbol, DefId> {
 }
 
 /// Traverse and collect all the diagnostic items in all crates.
-pub fn collect_all<'tcx>(tcx: TyCtxt<'tcx>) -> &'tcx FxHashMap<Symbol, DefId> {
+fn collect_all<'tcx>(tcx: TyCtxt<'tcx>) -> &'tcx FxHashMap<Symbol, DefId> {
     // Initialize the collector.
     let mut collector = FxHashMap::default();
 
@@ -117,3 +118,14 @@ pub fn collect_all<'tcx>(tcx: TyCtxt<'tcx>) -> &'tcx FxHashMap<Symbol, DefId> {
 
     tcx.arena.alloc(collector)
 }
+
+pub fn provide(providers: &mut Providers<'_>) {
+    providers.diagnostic_items = |tcx, id| {
+        assert_eq!(id, LOCAL_CRATE);
+        collect(tcx)
+    };
+    providers.all_diagnostic_items = |tcx, id| {
+        assert_eq!(id, LOCAL_CRATE);
+        collect_all(tcx)
+    };
+}

src/librustc_passes/lib.rs

@@ -22,6 +22,7 @@
 pub mod ast_validation;
 mod check_const;
 pub mod dead;
+mod diagnostic_items;
 pub mod entry;
 pub mod hir_stats;
 mod intrinsicck;
@@ -32,6 +33,7 @@
 
 pub fn provide(providers: &mut Providers<'_>) {
     check_const::provide(providers);
+    diagnostic_items::provide(providers);
     entry::provide(providers);
     loops::provide(providers);
     liveness::provide(providers);