added children modules

editors/code/package.json

@@ -170,6 +170,11 @@
                 "title": "Locate parent module",
                 "category": "rust-analyzer"
             },
+            {
+                "command": "rust-analyzer.childrenModules",
+                "title": "Locate children modules",
+                "category": "rust-analyzer"
+            },
             {
                 "command": "rust-analyzer.joinLines",
                 "title": "Join lines",
@@ -3373,6 +3378,10 @@
                     "command": "rust-analyzer.parentModule",
                     "when": "inRustProject"
                 },
+                {
+                    "command": "rust-analyzer.childrenModule",
+                    "when": "inRustProject"
+                },
                 {
                     "command": "rust-analyzer.joinLines",
                     "when": "inRustProject"

editors/code/src/commands.ts

@@ -266,6 +266,43 @@ export function parentModule(ctx: CtxInit): Cmd {
     };
 }
 
+export function childrenModules(ctx: CtxInit): Cmd {
+    return async () => {
+        const editor = vscode.window.activeTextEditor;
+        if (!editor) return;
+        if (!(isRustDocument(editor.document) || isCargoTomlDocument(editor.document))) return;
+
+        const client = ctx.client;
+
+        const locations = await client.sendRequest(ra.childrenModules, {
+            textDocument: client.code2ProtocolConverter.asTextDocumentIdentifier(editor.document),
+            position: client.code2ProtocolConverter.asPosition(editor.selection.active),
+        });
+        if (!locations) return;
+
+        if (locations.length === 1) {
+            const loc = unwrapUndefinable(locations[0]);
+
+            const uri = client.protocol2CodeConverter.asUri(loc.targetUri);
+            const range = client.protocol2CodeConverter.asRange(loc.targetRange);
+
+            const doc = await vscode.workspace.openTextDocument(uri);
+            const e = await vscode.window.showTextDocument(doc);
+            e.selection = new vscode.Selection(range.start, range.start);
+            e.revealRange(range, vscode.TextEditorRevealType.InCenter);
+        } else {
+            const uri = editor.document.uri.toString();
+            const position = client.code2ProtocolConverter.asPosition(editor.selection.active);
+            await showReferencesImpl(
+                client,
+                uri,
+                position,
+                locations.map((loc) => lc.Location.create(loc.targetUri, loc.targetRange)),
+            );
+        }
+    };
+}
+
 export function openCargoToml(ctx: CtxInit): Cmd {
     return async () => {
         const editor = ctx.activeRustEditor;

editors/code/src/lsp_ext.ts

@@ -194,6 +194,11 @@ export const parentModule = new lc.RequestType<
     lc.LocationLink[] | null,
     void
 >("experimental/parentModule");
+export const childrenModules = new lc.RequestType<
+    lc.TextDocumentPositionParams,
+    lc.LocationLink[] | null,
+    void
+>("experimental/childrenModule");
 export const runnables = new lc.RequestType<RunnablesParams, Runnable[], void>(
     "experimental/runnables",
 );

editors/code/src/main.ts

@@ -158,6 +158,7 @@ function createCommands(): Record<string, CommandFactory> {
         matchingBrace: { enabled: commands.matchingBrace },
         joinLines: { enabled: commands.joinLines },
         parentModule: { enabled: commands.parentModule },
+        childrenModules: { enabled: commands.childrenModules },
         viewHir: { enabled: commands.viewHir },
         viewMir: { enabled: commands.viewMir },
         interpretFunction: { enabled: commands.interpretFunction },