Interact with the running vscode Language Server about vscode-languageserver-node HOT 1 OPEN

import * as vscode from 'vscode';

async function logOutgoingCalls(item: vscode.CallHierarchyItem) {
	const outgoingCalls: vscode.CallHierarchyOutgoingCall[] = await vscode.commands.executeCommand('vscode.provideOutgoingCalls', item);

	// iterate over outgoingCalls
	for (const outgoingCall of outgoingCalls) {
		console.log(item.name, '-[:invokes]->', outgoingCall.to.name);

		// recursively log outgoing calls
		// TODO: handle cycles
		await logOutgoingCalls(outgoingCall.to);
	}
}

async function logIncomingCalls(item: vscode.CallHierarchyItem) {
	const incomingCalls: vscode.CallHierarchyIncomingCall[] = await vscode.commands.executeCommand('vscode.provideIncomingCalls', item);

	// iterate over incomingCalls
	for (const incomingCall of incomingCalls) {
		console.log(incomingCall.from.name, '-[:invokes]->', item.name);

		// recursively log incoming calls
		// TODO: handle cycles
		await logIncomingCalls(incomingCall.from);
	}
}

export function activate(context: vscode.ExtensionContext) {
	console.log('Congratulations, your extension is now active!');

	let disposable = vscode.commands.registerCommand('extension.logCallHierarchy', async () => {
		if (vscode.window.activeTextEditor) {
			const position = vscode.window.activeTextEditor.selection.active;
			const uri = vscode.window.activeTextEditor.document.uri;

			const items: vscode.CallHierarchyItem[] = await vscode.commands.executeCommand('vscode.prepareCallHierarchy', uri, position);
			if (items) {
				for (const item of items) {

					// log incoming calls
					console.log('Incoming calls of ', item.name);
					await logIncomingCalls(item);

					// log outgoing calls
					console.log('Outgoing calls of ', item.name);
					await logOutgoingCalls(item);
				}
			}
		}
	});

	context.subscriptions.push(disposable);

	let statusBarItem = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Right, 100);
	statusBarItem.command = 'extension.logCallHierarchy';
	statusBarItem.text = "Log Call Hierarchy";
	statusBarItem.show();
	context.subscriptions.push(statusBarItem);
}

export function deactivate() { }