eliminate find_use_path and show 'as' and 'use'

Author: mahdifrmz

crates/ide_completion/src/item.rs

@@ -295,6 +295,7 @@ impl CompletionItem {
             label,
             insert_text: None,
             is_snippet: false,
+            trait_name: None,
             detail: None,
             documentation: None,
             lookup: None,
@@ -398,6 +399,7 @@ pub(crate) struct Builder {
     source_range: TextRange,
     completion_kind: CompletionKind,
     import_to_add: Option<ImportEdit>,
+    trait_name: Option<String>,
     label: String,
     insert_text: Option<String>,
     is_snippet: bool,
@@ -434,6 +436,8 @@ impl Builder {
             } else {
                 format_to!(label, " ({})", original_path)
             }
+        } else if let Some(trait_name) = self.trait_name {
+            format_to!(label, " ({})", trait_name)
         }
 
         let text_edit = match self.text_edit {
@@ -468,6 +472,10 @@ impl Builder {
         self.label = label.into();
         self
     }
+    pub(crate) fn trait_name(&mut self, trait_name: impl Into<String>) -> &mut Builder {
+        self.trait_name = Some(trait_name.into());
+        self
+    }
     pub(crate) fn insert_text(&mut self, insert_text: impl Into<String>) -> &mut Builder {
         self.insert_text = Some(insert_text.into());
         self

crates/ide_completion/src/render/const_.rs

@@ -1,6 +1,6 @@
 //! Renderer for `const` fields.
 
-use hir::{AsAssocItem, HasSource, ModuleDef};
+use hir::{AsAssocItem, HasSource};
 use ide_db::SymbolKind;
 use syntax::{
     ast::{Const, NameOwner},
@@ -49,11 +49,8 @@ impl<'a> ConstRender<'a> {
         let db = self.ctx.db();
         if let Some(actm) = self.const_.as_assoc_item(db) {
             if let Some(trt) = actm.containing_trait_or_trait_impl(db) {
-                let module = self.ctx.completion.scope.module().unwrap();
-                if let Some(path) = module.find_use_path(db, ModuleDef::Trait(trt)) {
-                    item.label(format!("{} ({})", name.clone(), path));
-                    item.insert_text(name.clone());
-                }
+                item.trait_name(trt.name(db).to_string());
+                item.insert_text(name.clone());
             }
         }
 

crates/ide_completion/src/render/function.rs

@@ -1,6 +1,6 @@
 //! Renderer for function calls.
 
-use hir::{AsAssocItem, HasSource, HirDisplay, ModuleDef};
+use hir::{AsAssocItem, HasSource, HirDisplay};
 use ide_db::SymbolKind;
 use itertools::Itertools;
 use syntax::ast::Fn;
@@ -79,14 +79,7 @@ impl<'a> FunctionRender<'a> {
             let db = self.ctx.db();
             if let Some(actm) = self.func.as_assoc_item(db) {
                 if let Some(trt) = actm.containing_trait_or_trait_impl(db) {
-                    let module = self.ctx.completion.scope.module().unwrap();
-                    if let Some(path) = module.find_use_path(db, ModuleDef::Trait(trt)) {
-                        item.label(format!(
-                            "{} ({})",
-                            item.clone().build().label().to_owned(),
-                            path
-                        ));
-                    }
+                    item.trait_name(trt.name(db).to_string());
                 }
             }
         }

crates/ide_completion/src/render/type_alias.rs

@@ -1,6 +1,6 @@
 //! Renderer for type aliases.
 
-use hir::{AsAssocItem, HasSource, ModuleDef};
+use hir::{AsAssocItem, HasSource};
 use ide_db::SymbolKind;
 use syntax::{
     ast::{NameOwner, TypeAlias},
@@ -62,11 +62,8 @@ impl<'a> TypeAliasRender<'a> {
         let db = self.ctx.db();
         if let Some(actm) = self.type_alias.as_assoc_item(db) {
             if let Some(trt) = actm.containing_trait_or_trait_impl(db) {
-                let module = self.ctx.completion.scope.module().unwrap();
-                if let Some(path) = module.find_use_path(db, ModuleDef::Trait(trt)) {
-                    item.label(format!("{} ({})", name.clone(), path));
-                    item.insert_text(name.clone());
-                }
+                item.trait_name(trt.name(db).to_string());
+                item.insert_text(name.clone());
             }
         }