Refactor vscode extension

editors/code/src/commands/matching_brace.ts

@@ -0,0 +1,27 @@
+import * as vscode from 'vscode';
+
+import { TextDocumentIdentifier, Position } from "vscode-languageclient";
+import { Server } from '../server';
+
+interface FindMatchingBraceParams {
+    textDocument: TextDocumentIdentifier;
+    offsets: Position[];
+}
+
+export async function handle() {
+    let editor = vscode.window.activeTextEditor
+    if (editor == null || editor.document.languageId != "rust") return
+    let request: FindMatchingBraceParams = {
+        textDocument: { uri: editor.document.uri.toString() },
+        offsets: editor.selections.map((s) => {
+            return Server.client.code2ProtocolConverter.asPosition(s.active)
+        })
+    }
+    let response = await Server.client.sendRequest<Position[]>("m/findMatchingBrace", request)
+    editor.selections = editor.selections.map((sel, idx) => {
+        let active = Server.client.protocol2CodeConverter.asPosition(response[idx])
+        let anchor = sel.isEmpty ? active : sel.anchor
+        return new vscode.Selection(anchor, active)
+    })
+    editor.revealRange(editor.selection)
+};