From cb863390f23bc2eac6561d55def9bd3ba54605fc Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Fri, 15 Jan 2021 18:57:32 +0100
Subject: Handle self/super/crate in PathSegment as NameRef

---
 crates/ide/src/goto_definition.rs | 35 ++++++-----------------------------
 1 file changed, 6 insertions(+), 29 deletions(-)

(limited to 'crates/ide/src/goto_definition.rs')

diff --git a/crates/ide/src/goto_definition.rs b/crates/ide/src/goto_definition.rs
index cd4afc804..988a5668f 100644
--- a/crates/ide/src/goto_definition.rs
+++ b/crates/ide/src/goto_definition.rs
@@ -1,7 +1,6 @@
 use either::Either;
 use hir::{HasAttrs, ModuleDef, Semantics};
 use ide_db::{
-    base_db::FileId,
     defs::{Definition, NameClass, NameRefClass},
     symbol_index, RootDatabase,
 };
@@ -13,7 +12,7 @@ use crate::{
     display::{ToNav, TryToNav},
     doc_links::extract_definitions_from_markdown,
     runnables::doc_owner_to_def,
-    FilePosition, NavigationTarget, RangeInfo, SymbolKind,
+    FilePosition, NavigationTarget, RangeInfo,
 };
 
 // Feature: Go to Definition
@@ -49,19 +48,6 @@ pub(crate) fn goto_definition(
                 let nav = def.try_to_nav(sema.db)?;
                 vec![nav]
             },
-            ast::SelfParam(self_param) => {
-                vec![self_to_nav_target(self_param, position.file_id)?]
-            },
-            ast::PathSegment(segment) => {
-                segment.self_token()?;
-                let path = segment.parent_path();
-                if path.qualifier().is_some() && !ast::PathExpr::can_cast(path.syntax().parent()?.kind()) {
-                    return None;
-                }
-                let func = segment.syntax().ancestors().find_map(ast::Fn::cast)?;
-                let self_param = func.param_list()?.self_param()?;
-                vec![self_to_nav_target(self_param, position.file_id)?]
-            },
             ast::Lifetime(lt) => if let Some(name_class) = NameClass::classify_lifetime(&sema, &lt) {
                 let def = name_class.referenced_or_defined(sema.db);
                 let nav = def.try_to_nav(sema.db)?;
@@ -69,6 +55,11 @@ pub(crate) fn goto_definition(
             } else {
                 reference_definition(&sema, Either::Left(&lt)).to_vec()
             },
+            ast::SelfParam(self_param) => {
+                let def = NameClass::classify_self_param(&sema, &self_param)?.referenced_or_defined(sema.db);
+                let nav = def.try_to_nav(sema.db)?;
+                vec![nav]
+            },
             _ => return None,
         }
     };
@@ -134,20 +125,6 @@ fn pick_best(tokens: TokenAtOffset<SyntaxToken>) -> Option<SyntaxToken> {
     }
 }
 
-fn self_to_nav_target(self_param: ast::SelfParam, file_id: FileId) -> Option<NavigationTarget> {
-    let self_token = self_param.self_token()?;
-    Some(NavigationTarget {
-        file_id,
-        full_range: self_param.syntax().text_range(),
-        focus_range: Some(self_token.text_range()),
-        name: self_token.text().clone(),
-        kind: Some(SymbolKind::SelfParam),
-        container_name: None,
-        description: None,
-        docs: None,
-    })
-}
-
 #[derive(Debug)]
 pub(crate) enum ReferenceResult {
     Exact(NavigationTarget),
-- 
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