From 19e28888aa41b2845b47adb7314aed99d3c48679 Mon Sep 17 00:00:00 2001
From: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>
Date: Fri, 1 May 2020 16:26:22 +0200
Subject: wip

Signed-off-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>
---
 crates/ra_ide/src/goto_definition.rs | 18 ++++++++++++++++++
 crates/ra_ide_db/src/defs.rs         |  8 +++++++-
 crates/ra_ide_db/src/marks.rs        |  1 +
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/crates/ra_ide/src/goto_definition.rs b/crates/ra_ide/src/goto_definition.rs
index 1dfca819d..31f567541 100644
--- a/crates/ra_ide/src/goto_definition.rs
+++ b/crates/ra_ide/src/goto_definition.rs
@@ -243,6 +243,24 @@ mod tests {
         );
     }
 
+    #[test]
+    fn goto_def_for_use_alias() {
+        covers!(ra_ide_db::goto_def_for_use_alias);
+        check_goto(
+            "
+            //- /lib.rs
+            use foo as <|>bar;
+
+
+            //- /foo/lib.rs
+            #[macro_export]
+            macro_rules! foo { () => { () } }
+            ",
+            "foo MACRO_CALL FileId(2) 0..49 29..32",
+            "#[macro_export]\nmacro_rules! foo { () => { () } }|foo",
+        );
+    }
+
     #[test]
     fn goto_def_for_macros_in_use_tree() {
         check_goto(
diff --git a/crates/ra_ide_db/src/defs.rs b/crates/ra_ide_db/src/defs.rs
index 7cd2384e9..54543e6e4 100644
--- a/crates/ra_ide_db/src/defs.rs
+++ b/crates/ra_ide_db/src/defs.rs
@@ -11,7 +11,7 @@ use hir::{
 };
 use ra_prof::profile;
 use ra_syntax::{
-    ast::{self, AstNode},
+    ast::{self, AstNode, NameOwner},
     match_ast,
 };
 use test_utils::tested_by;
@@ -115,10 +115,16 @@ pub fn classify_name(sema: &Semantics<RootDatabase>, name: &ast::Name) -> Option
 }
 
 fn classify_name_inner(sema: &Semantics<RootDatabase>, name: &ast::Name) -> Option<Definition> {
+    println!("name : {} -- {:?}", name, name);
     let parent = name.syntax().parent()?;
+    println!("parent : {} -- {:?}", parent, parent);
 
     match_ast! {
         match parent {
+            ast::Alias(it) => {
+                let def = sema.to_def(&it)?;
+                Some(Definition::ModuleDef(def.into()))
+            },
             ast::BindPat(it) => {
                 let local = sema.to_def(&it)?;
                 Some(Definition::Local(local))
diff --git a/crates/ra_ide_db/src/marks.rs b/crates/ra_ide_db/src/marks.rs
index 03b4be21c..386fe605c 100644
--- a/crates/ra_ide_db/src/marks.rs
+++ b/crates/ra_ide_db/src/marks.rs
@@ -2,6 +2,7 @@
 
 test_utils::marks![
     goto_def_for_macros
+    goto_def_for_use_alias
     goto_def_for_methods
     goto_def_for_fields
     goto_def_for_record_fields
-- 
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