refactor: Allow Runnable to be None

Author: Wilfred

crates/rust-analyzer/src/handlers/request.rs

@@ -824,15 +824,16 @@ pub(crate) fn handle_runnables(
         if should_skip_target(&runnable, target_spec.as_ref()) {
             continue;
         }
-        let mut runnable = to_proto::runnable(&snap, runnable)?;
-        if expect_test {
-            #[allow(irrefutable_let_patterns)]
-            if let lsp_ext::RunnableArgs::Cargo(r) = &mut runnable.args {
-                runnable.label = format!("{} + expect", runnable.label);
-                r.expect_test = Some(true);
+        if let Some(mut runnable) = to_proto::runnable(&snap, runnable)? {
+            if expect_test {
+                #[allow(irrefutable_let_patterns)]
+                if let lsp_ext::RunnableArgs::Cargo(r) = &mut runnable.args {
+                    runnable.label = format!("{} + expect", runnable.label);
+                    r.expect_test = Some(true);
+                }
             }
+            res.push(runnable);
         }
-        res.push(runnable);
     }
 
     // Add `cargo check` and `cargo test` for all targets of the whole package
@@ -904,7 +905,7 @@ pub(crate) fn handle_related_tests(
     let tests = snap.analysis.related_tests(position, None)?;
     let mut res = Vec::new();
     for it in tests {
-        if let Ok(runnable) = to_proto::runnable(&snap, it) {
+        if let Ok(Some(runnable)) = to_proto::runnable(&snap, it) {
             res.push(lsp_ext::TestInfo { runnable })
         }
     }
@@ -1909,7 +1910,7 @@ fn runnable_action_links(
     }
 
     let title = runnable.title();
-    let r = to_proto::runnable(snap, runnable).ok()?;
+    let r = to_proto::runnable(snap, runnable).ok()??;
 
     let mut group = lsp_ext::CommandLinkGroup::default();
 

crates/rust-analyzer/src/lsp/to_proto.rs

@@ -1345,7 +1345,7 @@ pub(crate) fn code_action(
 pub(crate) fn runnable(
     snap: &GlobalStateSnapshot,
     runnable: Runnable,
-) -> Cancellable<lsp_ext::Runnable> {
+) -> Cancellable<Option<lsp_ext::Runnable>> {
     let config = snap.config.runnables();
     let target_spec = TargetSpec::for_file(snap, runnable.nav.file_id)?;
 
@@ -1360,7 +1360,7 @@ pub(crate) fn runnable(
             let label = runnable.label(Some(target));
             let location = location_link(snap, None, runnable.nav)?;
 
-            Ok(lsp_ext::Runnable {
+            Ok(Some(lsp_ext::Runnable {
                 label,
                 location: Some(location),
                 kind: lsp_ext::RunnableKind::Cargo,
@@ -1372,15 +1372,15 @@ pub(crate) fn runnable(
                     executable_args,
                     expect_test: None,
                 }),
-            })
+            }))
         }
         None => {
             let (cargo_args, executable_args) =
                 CargoTargetSpec::runnable_args(snap, None, &runnable.kind, &runnable.cfg);
             let label = runnable.label(None);
             let location = location_link(snap, None, runnable.nav)?;
 
-            Ok(lsp_ext::Runnable {
+            Ok(Some(lsp_ext::Runnable {
                 label,
                 location: Some(location),
                 kind: lsp_ext::RunnableKind::Cargo,
@@ -1392,7 +1392,7 @@ pub(crate) fn runnable(
                     executable_args,
                     expect_test: None,
                 }),
-            })
+            }))
         }
     }
 }
@@ -1418,34 +1418,36 @@ pub(crate) fn code_lens(
             };
             let r = runnable(snap, run)?;
 
-            let has_root = match &r.args {
-                lsp_ext::RunnableArgs::Cargo(c) => c.workspace_root.is_some(),
-            };
+            if let Some(r) = r {
+                let has_root = match &r.args {
+                    lsp_ext::RunnableArgs::Cargo(c) => c.workspace_root.is_some(),
+                };
 
-            let lens_config = snap.config.lens();
-            if lens_config.run && client_commands_config.run_single && has_root {
-                let command = command::run_single(&r, &title);
-                acc.push(lsp_types::CodeLens {
-                    range: annotation_range,
-                    command: Some(command),
-                    data: None,
-                })
-            }
-            if lens_config.debug && can_debug && client_commands_config.debug_single {
-                let command = command::debug_single(&r);
-                acc.push(lsp_types::CodeLens {
-                    range: annotation_range,
-                    command: Some(command),
-                    data: None,
-                })
-            }
-            if lens_config.interpret {
-                let command = command::interpret_single(&r);
-                acc.push(lsp_types::CodeLens {
-                    range: annotation_range,
-                    command: Some(command),
-                    data: None,
-                })
+                let lens_config = snap.config.lens();
+                if lens_config.run && client_commands_config.run_single && has_root {
+                    let command = command::run_single(&r, &title);
+                    acc.push(lsp_types::CodeLens {
+                        range: annotation_range,
+                        command: Some(command),
+                        data: None,
+                    })
+                }
+                if lens_config.debug && can_debug && client_commands_config.debug_single {
+                    let command = command::debug_single(&r);
+                    acc.push(lsp_types::CodeLens {
+                        range: annotation_range,
+                        command: Some(command),
+                        data: None,
+                    })
+                }
+                if lens_config.interpret {
+                    let command = command::interpret_single(&r);
+                    acc.push(lsp_types::CodeLens {
+                        range: annotation_range,
+                        command: Some(command),
+                        data: None,
+                    })
+                }
             }
         }
         AnnotationKind::HasImpls { pos, data } => {
@@ -1575,7 +1577,7 @@ pub(crate) fn test_item(
             .file
             .map(|f| lsp_types::TextDocumentIdentifier { uri: url(snap, f) }),
         range: line_index.and_then(|l| Some(range(l, test_item.text_range?))),
-        runnable: test_item.runnable.and_then(|r| runnable(snap, r).ok()),
+        runnable: test_item.runnable.and_then(|r| runnable(snap, r).ok()).flatten(),
     })
 }