From 1596b31698acd1ca8fe25a1b699bef4a9a6feb1d Mon Sep 17 00:00:00 2001
From: Kirill Bulatov <mail4score@gmail.com>
Date: Wed, 12 Feb 2020 16:21:55 +0200
Subject: [PATCH] Do not add imports before inner attributes

---
 .../replace_qualified_name_with_use.rs        | 30 ++++++++++++++++++-
 crates/ra_syntax/src/ast/extensions.rs        |  9 ++++++
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs b/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs
index b70c88ec29..4b5e37c115 100644
--- a/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs
+++ b/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs
@@ -431,7 +431,13 @@ fn best_action_for_target(
                 .find(|n| n.text_range().start() < anchor.text_range().start())
                 .or_else(|| Some(anchor));
 
-            ImportAction::add_new_use(anchor, false)
+            let add_after_anchor = anchor
+                .clone()
+                .and_then(ast::Attr::cast)
+                .as_ref()
+                .map(ast::Attr::is_inner_attribute)
+                .unwrap_or(false);
+            ImportAction::add_new_use(anchor, add_after_anchor)
         }
     }
 }
@@ -958,6 +964,28 @@ mod foo {
 
         Debug<|>
     }
+}
+    ",
+        );
+    }
+
+    #[test]
+    fn inserts_imports_after_inner_attributes() {
+        check_assist(
+            replace_qualified_name_with_use,
+            "
+#![allow(dead_code)]
+
+fn main() {
+    std::fmt::Debug<|>
+}
+    ",
+            "
+#![allow(dead_code)]
+use std::fmt::Debug;
+
+fn main() {
+    Debug<|>
 }
     ",
         );
diff --git a/crates/ra_syntax/src/ast/extensions.rs b/crates/ra_syntax/src/ast/extensions.rs
index 7dcf084de9..a297ae110e 100644
--- a/crates/ra_syntax/src/ast/extensions.rs
+++ b/crates/ra_syntax/src/ast/extensions.rs
@@ -71,6 +71,15 @@ impl ast::Attr {
             _ => None,
         }
     }
+
+    pub fn is_inner_attribute(&self) -> bool {
+        let first_token = self.syntax().first_token();
+        let first_token_kind = first_token.as_ref().map(SyntaxToken::kind);
+        let second_token_kind =
+            first_token.and_then(|token| token.next_token()).as_ref().map(SyntaxToken::kind);
+        return first_token_kind == Some(SyntaxKind::POUND)
+            && second_token_kind == Some(SyntaxKind::EXCL);
+    }
 }
 
 #[derive(Debug, Clone, PartialEq, Eq)]