vscode-prerefactor: add some utility functions
import * as lc from "vscode-languageclient";
import * as vscode from "vscode";
+import { promises as dns } from "dns";
import { strict as nativeAssert } from "assert";
export function assert(condition: boolean, explanation: string): asserts condition {
@@ -11,21 +12,40 @@ export function assert(condition: boolean, explanation: string): asserts conditi
}
}
-export const log = {
- enabled: true,
+export const log = new class {
+ private enabled = true;
+
+ setEnabled(yes: boolean): void {
+ log.enabled = yes;
+ }
+
debug(message?: any, ...optionalParams: any[]): void {
if (!log.enabled) return;
// eslint-disable-next-line no-console
console.log(message, ...optionalParams);
- },
+ }
+
error(message?: any, ...optionalParams: any[]): void {
if (!log.enabled) return;
debugger;
// eslint-disable-next-line no-console
console.error(message, ...optionalParams);
- },
- setEnabled(yes: boolean): void {
- log.enabled = yes;
+ }
+
+ downloadError(err: Error, artifactName: string, repoName: string) {
+ vscode.window.showErrorMessage(
+ `Failed to download the rust-analyzer ${artifactName} from ${repoName} ` +
+ `GitHub repository: ${err.message}`
+ );
+ log.error(err);
+ dns.resolve('example.com').then(
+ addrs => log.debug("DNS resolution for example.com was successful", addrs),
+ err => log.error(
+ "DNS resolution for example.com failed, " +
+ "there might be an issue with Internet availability",
+ err
+ )
+ );
}
};
@@ -66,6 +86,17 @@ function sleep(ms: number) {
return new Promise(resolve => setTimeout(resolve, ms));
}
+export function notReentrant<TThis, TParams extends any[], TRet>(
+ fn: (this: TThis, ...params: TParams) => Promise<TRet>
+): typeof fn {
+ let entered = false;
+ return function(...params) {
+ assert(!entered, `Reentrancy invariant for ${fn.name} is violated`);
+ entered = true;
+ return fn.apply(this, params).finally(() => entered = false);
+ };
+}
+
export type RustDocument = vscode.TextDocument & { languageId: "rust" };
export type RustEditor = vscode.TextEditor & { document: RustDocument; id: string };
@@ -79,3 +110,29 @@ export function isRustDocument(document: vscode.TextDocument): document is RustD
export function isRustEditor(editor: vscode.TextEditor): editor is RustEditor {
return isRustDocument(editor.document);
}
+
+/**
+ * @param extensionId The canonical extension identifier in the form of: `publisher.name`
+ */
+export async function vscodeReinstallExtension(extensionId: string) {
+ // Unfortunately there is no straightforward way as of now, these commands
+ // were found in vscode source code.
+
+ log.debug("Uninstalling extension", extensionId);
+ await vscode.commands.executeCommand("workbench.extensions.uninstallExtension", extensionId);
+ log.debug("Installing extension", extensionId);
+ await vscode.commands.executeCommand("workbench.extensions.installExtension", extensionId);
+}
+
+export async function vscodeReloadWindow(): Promise<never> {
+ await vscode.commands.executeCommand("workbench.action.reloadWindow");
+
+ assert(false, "unreachable");
+}
+
+export async function vscodeInstallExtensionFromVsix(vsixPath: string) {
+ await vscode.commands.executeCommand(
+ "workbench.extensions.installExtension",
+ vscode.Uri.file(vsixPath)
+ );
+}
