From aa1a7a5414e59c7f1c6e74002df1b6a04937459e Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 18 Aug 2020 16:41:21 +0200
Subject: Introduce Label

---
 crates/assists/src/assist_context.rs | 16 +++++++++-------
 crates/assists/src/lib.rs            | 13 ++-----------
 2 files changed, 11 insertions(+), 18 deletions(-)

(limited to 'crates/assists/src')

diff --git a/crates/assists/src/assist_context.rs b/crates/assists/src/assist_context.rs
index 79574b9ac..11c171fc2 100644
--- a/crates/assists/src/assist_context.rs
+++ b/crates/assists/src/assist_context.rs
@@ -6,6 +6,7 @@ use algo::find_covering_element;
 use base_db::{FileId, FileRange};
 use hir::Semantics;
 use ide_db::{
+    label::Label,
     source_change::{SourceChange, SourceFileEdit},
     RootDatabase,
 };
@@ -157,8 +158,9 @@ impl Assists {
         if !self.is_allowed(&id) {
             return None;
         }
-        let label = Assist::new(id, label.into(), None, target);
-        self.add_impl(label, f)
+        let label = Label::new(label.into());
+        let assist = Assist { id, label, group: None, target };
+        self.add_impl(assist, f)
     }
 
     pub(crate) fn add_group(
@@ -172,12 +174,12 @@ impl Assists {
         if !self.is_allowed(&id) {
             return None;
         }
-
-        let label = Assist::new(id, label.into(), Some(group.clone()), target);
-        self.add_impl(label, f)
+        let label = Label::new(label.into());
+        let assist = Assist { id, label, group: Some(group.clone()), target };
+        self.add_impl(assist, f)
     }
 
-    fn add_impl(&mut self, label: Assist, f: impl FnOnce(&mut AssistBuilder)) -> Option<()> {
+    fn add_impl(&mut self, assist: Assist, f: impl FnOnce(&mut AssistBuilder)) -> Option<()> {
         let source_change = if self.resolve {
             let mut builder = AssistBuilder::new(self.file);
             f(&mut builder);
@@ -186,7 +188,7 @@ impl Assists {
             None
         };
 
-        self.buf.push((label, source_change));
+        self.buf.push((assist, source_change));
         Some(())
     }
 
diff --git a/crates/assists/src/lib.rs b/crates/assists/src/lib.rs
index c589b08dc..14834480a 100644
--- a/crates/assists/src/lib.rs
+++ b/crates/assists/src/lib.rs
@@ -19,7 +19,7 @@ pub mod ast_transform;
 
 use base_db::FileRange;
 use hir::Semantics;
-use ide_db::{source_change::SourceChange, RootDatabase};
+use ide_db::{label::Label, source_change::SourceChange, RootDatabase};
 use syntax::TextRange;
 
 pub(crate) use crate::assist_context::{AssistContext, Assists};
@@ -68,7 +68,7 @@ pub struct GroupLabel(pub String);
 pub struct Assist {
     pub id: AssistId,
     /// Short description of the assist, as shown in the UI.
-    label: String,
+    pub label: Label,
     pub group: Option<GroupLabel>,
     /// Target ranges are used to sort assists: the smaller the target range,
     /// the more specific assist is, and so it should be sorted first.
@@ -82,11 +82,6 @@ pub struct ResolvedAssist {
 }
 
 impl Assist {
-    fn new(id: AssistId, label: String, group: Option<GroupLabel>, target: TextRange) -> Assist {
-        assert!(label.starts_with(char::is_uppercase));
-        Assist { id, label, group, target }
-    }
-
     /// Return all the assists applicable at the given position.
     ///
     /// Assists are returned in the "unresolved" state, that is only labels are
@@ -118,10 +113,6 @@ impl Assist {
         });
         acc.finish_resolved()
     }
-
-    pub fn label(&self) -> &str {
-        self.label.as_str()
-    }
 }
 
 mod handlers {
-- 
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