Rename `CrateDefMap` to `DefMap`

[rust.git] / crates / hir_def / src / resolver.rs

diff --git a/crates/hir_def/src/resolver.rs b/crates/hir_def/src/resolver.rs
index e4152a0be4b23a6ebd36a27d99d06f02830b2264..e7e92c72dec784056eba7d428c7b297dd99d8c2c 100644 (file)
--- a/crates/hir_def/src/resolver.rs
+++ b/crates/hir_def/src/resolver.rs
@@ -16,7 +16,7 @@
     expr::{ExprId, PatId},
     generics::GenericParams,
     item_scope::{BuiltinShadowMode, BUILTIN_SCOPE},
-    nameres::CrateDefMap,
+    nameres::DefMap,
     path::{ModPath, PathKind},
     per_ns::PerNs,
     visibility::{RawVisibility, Visibility},
@@ -34,7 +34,7 @@ pub struct Resolver {
 // FIXME how to store these best
 #[derive(Debug, Clone)]
 struct ModuleItemMap {
-    crate_def_map: Arc<CrateDefMap>,
+    crate_def_map: Arc<DefMap>,
     module_id: LocalModuleId,
 }
 
@@ -258,7 +258,7 @@ pub fn resolve_path_in_value_ns(
     ) -> Option<ResolveValueResult> {
         let n_segments = path.segments.len();
         let tmp = name![self];
-        let first_name = if path.is_self() { &tmp } else { &path.segments.first()? };
+        let first_name = if path.is_self() { &tmp } else { path.segments.first()? };
         let skip_to_mod = path.kind != PathKind::Plain && !path.is_self();
         for scope in self.scopes.iter().rev() {
             match scope {
@@ -425,7 +425,7 @@ pub fn traits_in_scope(&self, db: &dyn DefDatabase) -> FxHashSet<TraitId> {
         traits
     }
 
-    fn module_scope(&self) -> Option<(&CrateDefMap, LocalModuleId)> {
+    fn module_scope(&self) -> Option<(&DefMap, LocalModuleId)> {
         self.scopes.iter().rev().find_map(|scope| match scope {
             Scope::ModuleScope(m) => Some((&*m.crate_def_map, m.module_id)),
 
@@ -490,6 +490,7 @@ pub enum ScopeDef {
 
 impl Scope {
     fn process_names(&self, db: &dyn DefDatabase, f: &mut dyn FnMut(Name, ScopeDef)) {
+        let mut seen = FxHashSet::default();
         match self {
             Scope::ModuleScope(m) => {
                 // FIXME: should we provide `self` here?
@@ -503,7 +504,9 @@ fn process_names(&self, db: &dyn DefDatabase, f: &mut dyn FnMut(Name, ScopeDef))
                     f(name.clone(), ScopeDef::PerNs(def));
                 });
                 m.crate_def_map[m.module_id].scope.legacy_macros().for_each(|(name, macro_)| {
-                    f(name.clone(), ScopeDef::PerNs(PerNs::macros(macro_, Visibility::Public)));
+                    let scope = PerNs::macros(macro_, Visibility::Public);
+                    seen.insert((name.clone(), scope));
+                    f(name.clone(), ScopeDef::PerNs(scope));
                 });
                 m.crate_def_map.extern_prelude.iter().for_each(|(name, &def)| {
                     f(name.clone(), ScopeDef::PerNs(PerNs::types(def, Visibility::Public)));
@@ -514,7 +517,10 @@ fn process_names(&self, db: &dyn DefDatabase, f: &mut dyn FnMut(Name, ScopeDef))
                 if let Some(prelude) = m.crate_def_map.prelude {
                     let prelude_def_map = db.crate_def_map(prelude.krate);
                     prelude_def_map[prelude.local_id].scope.entries().for_each(|(name, def)| {
-                        f(name.clone(), ScopeDef::PerNs(def));
+                        let seen_tuple = (name.clone(), def);
+                        if !seen.contains(&seen_tuple) {
+                            f(seen_tuple.0, ScopeDef::PerNs(def));
+                        }
                     });
                 }
             }
@@ -582,11 +588,7 @@ fn push_impl_def_scope(self, impl_def: ImplId) -> Resolver {
         self.push_scope(Scope::ImplDefScope(impl_def))
     }
 
-    fn push_module_scope(
-        self,
-        crate_def_map: Arc<CrateDefMap>,
-        module_id: LocalModuleId,
-    ) -> Resolver {
+    fn push_module_scope(self, crate_def_map: Arc<DefMap>, module_id: LocalModuleId) -> Resolver {
         self.push_scope(Scope::ModuleScope(ModuleItemMap { crate_def_map, module_id }))
     }