Add reload workspace command

crates/rust-analyzer/src/lsp_ext.rs

@@ -14,12 +14,12 @@ impl Request for AnalyzerStatus {
     const METHOD: &'static str = "rust-analyzer/analyzerStatus";
 }
 
-pub enum CollectGarbage {}
+pub enum ReloadWorkspace {}
 
-impl Request for CollectGarbage {
+impl Request for ReloadWorkspace {
     type Params = ();
     type Result = ();
-    const METHOD: &'static str = "rust-analyzer/collectGarbage";
+    const METHOD: &'static str = "rust-analyzer/reloadWorkspace";
 }
 
 pub enum SyntaxTree {}

crates/rust-analyzer/src/main_loop.rs

@@ -276,7 +276,7 @@ fn on_request(&mut self, request_received: Instant, req: Request) -> Result<()>
         self.register_request(&req, request_received);
 
         RequestDispatcher { req: Some(req), global_state: self }
-            .on_sync::<lsp_ext::CollectGarbage>(|s, ()| Ok(s.analysis_host.collect_garbage()))?
+            .on_sync::<lsp_ext::ReloadWorkspace>(|s, ()| Ok(s.reload()))?
             .on_sync::<lsp_ext::JoinLines>(|s, p| handlers::handle_join_lines(s.snapshot(), p))?
             .on_sync::<lsp_ext::OnEnter>(|s, p| handlers::handle_on_enter(s.snapshot(), p))?
             .on_sync::<lsp_types::request::Shutdown>(|_, ()| Ok(()))?

docs/dev/lsp-extensions.md

@@ -389,15 +389,15 @@ rust-analyzer supports only one `kind`, `"cargo"`. The `args` for `"cargo"` look
 
 Returns internal status message, mostly for debugging purposes.
 
-## Collect Garbage
+## Reload Workspace
 
-**Method:** `rust-analyzer/collectGarbage`
+**Method:** `rust-analyzer/reloadWorkspace`
 
 **Request:** `null`
 
 **Response:** `null`
 
-Frees some caches. For internal use, and is mostly broken at the moment.
+Reloads project information (that is, re-executes `cargo metadata`).
 
 ## Syntax Tree
 
@@ -504,4 +504,4 @@ Such actions on the client side are appended to a hover bottom as command links:
   | TITLE _Action1_ | _Action2_ |  <- second group
   +-----------------------------+
   ...
-```
+```

editors/code/package.json

@@ -61,7 +61,7 @@
     "activationEvents": [
         "onLanguage:rust",
         "onCommand:rust-analyzer.analyzerStatus",
-        "onCommand:rust-analyzer.collectGarbage",
+        "onCommand:rust-analyzer.reloadWorkspace",
         "workspaceContains:**/Cargo.toml"
     ],
     "main": "./out/src/main",
@@ -143,8 +143,8 @@
                 "category": "Rust Analyzer"
             },
             {
-                "command": "rust-analyzer.collectGarbage",
-                "title": "Run garbage collection",
+                "command": "rust-analyzer.reloadWorkspace",
+                "title": "Reload workspace",
                 "category": "Rust Analyzer"
             },
             {
@@ -815,7 +815,7 @@
                     "when": "inRustProject"
                 },
                 {
-                    "command": "rust-analyzer.collectGarbage",
+                    "command": "rust-analyzer.reloadWorkspace",
                     "when": "inRustProject"
                 },
                 {

editors/code/src/commands.ts

@@ -330,8 +330,8 @@ export function expandMacro(ctx: Ctx): Cmd {
     };
 }
 
-export function collectGarbage(ctx: Ctx): Cmd {
-    return async () => ctx.client.sendRequest(ra.collectGarbage, null);
+export function reloadWorkspace(ctx: Ctx): Cmd {
+    return async () => ctx.client.sendRequest(ra.reloadWorkspace, null);
 }
 
 export function showReferences(ctx: Ctx): Cmd {

editors/code/src/lsp_ext.ts

@@ -6,7 +6,7 @@ import * as lc from "vscode-languageclient";
 
 export const analyzerStatus = new lc.RequestType<null, string, void>("rust-analyzer/analyzerStatus");
 
-export const collectGarbage = new lc.RequestType<null, null, void>("rust-analyzer/collectGarbage");
+export const reloadWorkspace = new lc.RequestType<null, null, void>("rust-analyzer/reloadWorkspace");
 
 export interface SyntaxTreeParams {
     textDocument: lc.TextDocumentIdentifier;

editors/code/src/main.ts

@@ -88,7 +88,7 @@ export async function activate(context: vscode.ExtensionContext) {
     });
 
     ctx.registerCommand('analyzerStatus', commands.analyzerStatus);
-    ctx.registerCommand('collectGarbage', commands.collectGarbage);
+    ctx.registerCommand('reloadWorkspace', commands.reloadWorkspace);
     ctx.registerCommand('matchingBrace', commands.matchingBrace);
     ctx.registerCommand('joinLines', commands.joinLines);
     ctx.registerCommand('parentModule', commands.parentModule);