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import * as vscode from 'vscode';
import * as lc from 'vscode-languageclient';
import * as commands from './commands';
import { activateInlayHints } from './inlay_hints';
import { StatusDisplay } from './status_display';
import { Server } from './server';
import { Ctx } from './ctx';
import { activateHighlighting } from './highlighting';
let ctx!: Ctx;
export async function activate(context: vscode.ExtensionContext) {
ctx = new Ctx(context);
// Commands which invokes manually via command pallet, shortcut, etc.
ctx.registerCommand('analyzerStatus', commands.analyzerStatus);
ctx.registerCommand('collectGarbage', commands.collectGarbage);
ctx.registerCommand('matchingBrace', commands.matchingBrace);
ctx.registerCommand('joinLines', commands.joinLines);
ctx.registerCommand('parentModule', commands.parentModule);
ctx.registerCommand('syntaxTree', commands.syntaxTree);
ctx.registerCommand('expandMacro', commands.expandMacro);
ctx.registerCommand('run', commands.run);
// Internal commands which are invoked by the server.
ctx.registerCommand('runSingle', commands.runSingle);
ctx.registerCommand('showReferences', commands.showReferences);
ctx.registerCommand('applySourceChange', commands.applySourceChange);
if (ctx.config.enableEnhancedTyping) {
ctx.overrideCommand('type', commands.onEnter);
}
const watchStatus = new StatusDisplay(ctx.config.cargoWatchOptions.command);
ctx.pushCleanup(watchStatus);
// Notifications are events triggered by the language server
const allNotifications: [string, lc.GenericNotificationHandler][] = [
[
'$/progress',
params => watchStatus.handleProgressNotification(params),
],
];
const startServer = () => Server.start(allNotifications);
const reloadCommand = () => reloadServer(startServer);
vscode.commands.registerCommand('rust-analyzer.reload', reloadCommand);
// Start the language server, finally!
try {
await startServer();
} catch (e) {
vscode.window.showErrorMessage(e.message);
}
activateHighlighting(ctx);
if (ctx.config.displayInlayHints) {
activateInlayHints(ctx);
}
}
export function deactivate(): Thenable<void> {
if (!Server.client) {
return Promise.resolve();
}
return Server.client.stop();
}
async function reloadServer(startServer: () => Promise<void>) {
if (Server.client != null) {
vscode.window.showInformationMessage('Reloading rust-analyzer...');
await Server.client.stop();
await startServer();
}
}
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