From 973b5cf7e20842711d59a810b268796b26241382 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sat, 21 Dec 2019 15:04:33 +0100
Subject: Revert "Merge #2629"

This reverts commit cdc9d682b066b110e0a44e5f8f1c574b38c16ba9, reversing
changes made to 90ef070db3dce0a7acb9cd11d0b0d72de13c9d79.
---
 crates/ra_hir_def/src/nameres/collector.rs | 46 ++++++++++++++++++------------
 1 file changed, 27 insertions(+), 19 deletions(-)

(limited to 'crates/ra_hir_def/src/nameres/collector.rs')

diff --git a/crates/ra_hir_def/src/nameres/collector.rs b/crates/ra_hir_def/src/nameres/collector.rs
index 9419461a8..45199fa11 100644
--- a/crates/ra_hir_def/src/nameres/collector.rs
+++ b/crates/ra_hir_def/src/nameres/collector.rs
@@ -26,7 +26,8 @@ use crate::{
     path::{ModPath, PathKind},
     per_ns::PerNs,
     AdtId, AstId, ConstLoc, ContainerId, EnumLoc, EnumVariantId, FunctionLoc, ImplLoc, Intern,
-    LocalModuleId, ModuleDefId, ModuleId, StaticLoc, StructLoc, TraitLoc, TypeAliasLoc, UnionLoc,
+    LocalImportId, LocalModuleId, ModuleDefId, ModuleId, StaticLoc, StructLoc, TraitLoc,
+    TypeAliasLoc, UnionLoc,
 };
 
 pub(super) fn collect_defs(db: &impl DefDatabase, mut def_map: CrateDefMap) -> CrateDefMap {
@@ -92,7 +93,7 @@ impl PartialResolvedImport {
 #[derive(Clone, Debug, Eq, PartialEq)]
 struct ImportDirective {
     module_id: LocalModuleId,
-    import_id: raw::LocalImportId,
+    import_id: LocalImportId,
     import: raw::ImportData,
     status: PartialResolvedImport,
 }
@@ -109,7 +110,7 @@ struct MacroDirective {
 struct DefCollector<'a, DB> {
     db: &'a DB,
     def_map: CrateDefMap,
-    glob_imports: FxHashMap<LocalModuleId, Vec<(LocalModuleId, raw::LocalImportId)>>,
+    glob_imports: FxHashMap<LocalModuleId, Vec<(LocalModuleId, LocalImportId)>>,
     unresolved_imports: Vec<ImportDirective>,
     resolved_imports: Vec<ImportDirective>,
     unexpanded_macros: Vec<MacroDirective>,
@@ -217,7 +218,8 @@ where
         if export {
             self.update(
                 self.def_map.root,
-                &[(name, Resolution { def: PerNs::macros(macro_), declaration: false })],
+                None,
+                &[(name, Resolution { def: PerNs::macros(macro_), import: None })],
             );
         }
     }
@@ -372,7 +374,7 @@ where
                         // Module scoped macros is included
                         let items = scope.collect_resolutions();
 
-                        self.update(module_id, &items);
+                        self.update(module_id, Some(import_id), &items);
                     } else {
                         // glob import from same crate => we do an initial
                         // import, and then need to propagate any further
@@ -382,7 +384,7 @@ where
                         // Module scoped macros is included
                         let items = scope.collect_resolutions();
 
-                        self.update(module_id, &items);
+                        self.update(module_id, Some(import_id), &items);
                         // record the glob import in case we add further items
                         let glob = self.glob_imports.entry(m.local_id).or_default();
                         if !glob.iter().any(|it| *it == (module_id, import_id)) {
@@ -402,12 +404,12 @@ where
                             let variant = EnumVariantId { parent: e, local_id };
                             let res = Resolution {
                                 def: PerNs::both(variant.into(), variant.into()),
-                                declaration: false,
+                                import: Some(import_id),
                             };
                             (name, res)
                         })
                         .collect::<Vec<_>>();
-                    self.update(module_id, &resolutions);
+                    self.update(module_id, Some(import_id), &resolutions);
                 }
                 Some(d) => {
                     log::debug!("glob import {:?} from non-module/enum {:?}", import, d);
@@ -429,21 +431,27 @@ where
                         }
                     }
 
-                    let resolution = Resolution { def, declaration: false };
-                    self.update(module_id, &[(name, resolution)]);
+                    let resolution = Resolution { def, import: Some(import_id) };
+                    self.update(module_id, Some(import_id), &[(name, resolution)]);
                 }
                 None => tested_by!(bogus_paths),
             }
         }
     }
 
-    fn update(&mut self, module_id: LocalModuleId, resolutions: &[(Name, Resolution)]) {
-        self.update_recursive(module_id, resolutions, 0)
+    fn update(
+        &mut self,
+        module_id: LocalModuleId,
+        import: Option<LocalImportId>,
+        resolutions: &[(Name, Resolution)],
+    ) {
+        self.update_recursive(module_id, import, resolutions, 0)
     }
 
     fn update_recursive(
         &mut self,
         module_id: LocalModuleId,
+        import: Option<LocalImportId>,
         resolutions: &[(Name, Resolution)],
         depth: usize,
     ) {
@@ -454,7 +462,7 @@ where
         let scope = &mut self.def_map.modules[module_id].scope;
         let mut changed = false;
         for (name, res) in resolutions {
-            changed |= scope.push_res(name.clone(), res, depth == 0 && res.declaration);
+            changed |= scope.push_res(name.clone(), res, import);
         }
 
         if !changed {
@@ -467,9 +475,9 @@ where
             .flat_map(|v| v.iter())
             .cloned()
             .collect::<Vec<_>>();
-        for (glob_importing_module, _glob_import) in glob_imports {
+        for (glob_importing_module, glob_import) in glob_imports {
             // We pass the glob import so that the tracked import in those modules is that glob import
-            self.update_recursive(glob_importing_module, resolutions, depth + 1);
+            self.update_recursive(glob_importing_module, Some(glob_import), resolutions, depth + 1);
         }
     }
 
@@ -711,9 +719,9 @@ where
             def: PerNs::types(
                 ModuleId { krate: self.def_collector.def_map.krate, local_id: res }.into(),
             ),
-            declaration: true,
+            import: None,
         };
-        self.def_collector.update(self.module_id, &[(name, resolution)]);
+        self.def_collector.update(self.module_id, None, &[(name, resolution)]);
         res
     }
 
@@ -783,8 +791,8 @@ where
                 PerNs::types(def.into())
             }
         };
-        let resolution = Resolution { def, declaration: true };
-        self.def_collector.update(self.module_id, &[(name, resolution)])
+        let resolution = Resolution { def, import: None };
+        self.def_collector.update(self.module_id, None, &[(name, resolution)])
     }
 
     fn collect_derives(&mut self, attrs: &Attrs, def: &raw::DefData) {
-- 
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