86 lines
2.2 KiB
TypeScript
86 lines
2.2 KiB
TypeScript
'use strict';
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import * as vscode from 'vscode';
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import {
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LanguageClient,
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LanguageClientOptions,
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ServerOptions,
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TransportKind,
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Executable,
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TextDocumentIdentifier
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} from 'vscode-languageclient';
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let client: LanguageClient;
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let uris = {
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syntaxTree: vscode.Uri.parse('libsyntax-rust://syntaxtree')
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}
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export function activate(context: vscode.ExtensionContext) {
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let dispose = (disposable) => {
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context.subscriptions.push(disposable);
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}
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let registerCommand = (name, f) => {
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dispose(vscode.commands.registerCommand(name, f))
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}
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registerCommand('libsyntax-rust.syntaxTree', () => openDoc(uris.syntaxTree))
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dispose(vscode.workspace.registerTextDocumentContentProvider(
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'libsyntax-rust',
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new TextDocumentContentProvider()
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))
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startServer()
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}
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export function deactivate(): Thenable<void> {
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if (!client) {
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return undefined;
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}
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return client.stop();
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}
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function startServer() {
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let run: Executable = {
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command: "cargo",
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args: ["run", "--package", "m"],
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options: { cwd: "." }
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}
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let serverOptions: ServerOptions = {
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run,
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debug: run
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};
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let clientOptions: LanguageClientOptions = {
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documentSelector: [{ scheme: 'file', language: 'rust' }],
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};
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client = new LanguageClient(
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'm',
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'm languge server',
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serverOptions,
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clientOptions,
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);
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client.start();
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}
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async function openDoc(uri: vscode.Uri) {
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let document = await vscode.workspace.openTextDocument(uri)
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return vscode.window.showTextDocument(document, vscode.ViewColumn.Two, true)
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}
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class TextDocumentContentProvider implements vscode.TextDocumentContentProvider {
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public eventEmitter = new vscode.EventEmitter<vscode.Uri>()
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public syntaxTree: string = "Not available"
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public provideTextDocumentContent(uri: vscode.Uri): vscode.ProviderResult<string> {
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let editor = vscode.window.activeTextEditor;
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if (editor == null) return ""
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let textDocument: TextDocumentIdentifier = { uri: editor.document.uri.toString() };
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return client.sendRequest("m/syntaxTree", { textDocument })
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}
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get onDidChange(): vscode.Event<vscode.Uri> {
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return this.eventEmitter.event
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}
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}
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