feat: add command erg.showReferences

package.json

@@ -3,7 +3,7 @@
 	"displayName": "vscode-erg",
 	"description": "Erg language support for Visual Studio Code",
 	"publisher": "erg-lang",
-	"version": "0.1.10",
+	"version": "0.1.11",
 	"engines": {
 		"vscode": "^1.70.0"
 	},

src/commands.ts

@@ -0,0 +1,19 @@
+// copied and modified from https://github.com/rust-lang/rust-analyzer/blob/27239fbb58a115915ffc1ce65ededc951eb00fd2/editors/code/src/commands.ts
+import { LanguageClient, Location, Position } from 'vscode-languageclient/node';
+import { Uri, commands } from 'vscode';
+
+export async function showReferences(
+    client: LanguageClient | undefined,
+    uri: string,
+    position: Position,
+    locations: Location[]
+) {
+    if (client) {
+        await commands.executeCommand(
+            "editor.action.showReferences",
+            Uri.parse(uri),
+            client.protocol2CodeConverter.asPosition(position),
+            locations.map(client.protocol2CodeConverter.asLocation)
+        );
+    }
+}

src/extension.ts

@@ -5,6 +5,7 @@ import {
 	ServerOptions,
 } from "vscode-languageclient/node";
 import { spawn } from "child_process";
+import { showReferences } from "./commands";
 
 let client: LanguageClient | undefined;
 
@@ -85,9 +86,12 @@ async function restartLanguageClient() {
 
 export async function activate(context: ExtensionContext) {
 	context.subscriptions.push(
-		commands.registerCommand("erg.restartLanguageServer", () =>
-			restartLanguageClient(),
-		),
+		commands.registerCommand("erg.restartLanguageServer", () => restartLanguageClient())
+	);
+	context.subscriptions.push(
+		commands.registerCommand("erg.showReferences", async (uri, position, locations) => {
+			await showReferences(client, uri, position, locations)
+		})
 	);
 	await startLanguageClient(context);
 }