pit-of-success API for unresolved code actions

Author: matklad

crates/ide/src/lib.rs

@@ -490,25 +490,25 @@ impl Analysis {
             .unwrap_or_default())
     }
 
+    /// Computes assists (aka code actions aka intentions) for the given
+    /// position. Computes enough info to show the lightbulb list in the editor,
+    /// but doesn't compute actual edits, to improve performance.
+    ///
+    /// When the user clicks on the assist, call `resolve_assists` to get the
+    /// edit.
+    pub fn assists(&self, config: &AssistConfig, frange: FileRange) -> Cancelable<Vec<Assist>> {
+        self.with_db(|db| Assist::unresolved(db, config, frange))
+    }
+
     /// Computes resolved assists with source changes for the given position.
-    pub fn resolved_assists(
+    pub fn resolve_assists(
         &self,
         config: &AssistConfig,
         frange: FileRange,
     ) -> Cancelable<Vec<ResolvedAssist>> {
         self.with_db(|db| assists::Assist::resolved(db, config, frange))
     }
 
-    /// Computes unresolved assists (aka code actions aka intentions) for the given
-    /// position.
-    pub fn unresolved_assists(
-        &self,
-        config: &AssistConfig,
-        frange: FileRange,
-    ) -> Cancelable<Vec<Assist>> {
-        self.with_db(|db| Assist::unresolved(db, config, frange))
-    }
-
     /// Computes the set of diagnostics for the given file.
     pub fn diagnostics(
         &self,

crates/rust-analyzer/src/handlers.rs

@@ -946,12 +946,12 @@ pub(crate) fn handle_code_action(
 
     if snap.config.client_caps.code_action_resolve {
         for (index, assist) in
-            snap.analysis.unresolved_assists(&assists_config, frange)?.into_iter().enumerate()
+            snap.analysis.assists(&assists_config, frange)?.into_iter().enumerate()
         {
             res.push(to_proto::unresolved_code_action(&snap, params.clone(), assist, index)?);
         }
     } else {
-        for assist in snap.analysis.resolved_assists(&assists_config, frange)?.into_iter() {
+        for assist in snap.analysis.resolve_assists(&assists_config, frange)?.into_iter() {
             res.push(to_proto::resolved_code_action(&snap, assist)?);
         }
     }
@@ -1014,7 +1014,7 @@ pub(crate) fn handle_code_action_resolve(
         .only
         .map(|it| it.into_iter().filter_map(from_proto::assist_kind).collect());
 
-    let assists = snap.analysis.resolved_assists(&snap.config.assist, frange)?;
+    let assists = snap.analysis.resolve_assists(&snap.config.assist, frange)?;
     let (id, index) = split_once(&params.id, ':').unwrap();
     let index = index.parse::<usize>().unwrap();
     let assist = &assists[index];