#13809

Committed 03 Apr 2024 07:40PM UTC coverage: 89.065% (+1.7%) from 87.413%

Build Type

push

Committed by

Commit Message

Prevent making standalone projects when unnecessary

Coverage Stats

6397 of 7624 branches covered (83.91%)

Branch coverage included in aggregate %.

2 of 2 new or added lines in 1 file covered. (100.0%)

134 existing lines in 5 files now uncovered.

9233 of 9925 relevant lines covered (93.03%)

1701.05 hits per line

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68.97

/src/lsp/worker/WorkerThreadProject.ts

import * as EventEmitter from 'eventemitter3';
import { Worker } from 'worker_threads';
import type { WorkerMessage } from './MessageHandler';
import { MessageHandler } from './MessageHandler';
import util from '../../util';
import type { LspDiagnostic, ActivateResponse, ProjectConfig } from '../LspProject';
import { type LspProject } from '../LspProject';
import { isMainThread, parentPort } from 'worker_threads';
import { WorkerThreadProjectRunner } from './WorkerThreadProjectRunner';
import { WorkerPool } from './WorkerPool';
import type { Hover, MaybePromise, SemanticToken } from '../../interfaces';
import type { DocumentAction, DocumentActionWithStatus } from '../DocumentManager';
import { Deferred } from '../../deferred';
import type { FileTranspileResult, SignatureInfoObj } from '../../Program';
import type { Position, Range, Location, DocumentSymbol, WorkspaceSymbol, CodeAction, CompletionList } from 'vscode-languageserver-protocol';

export const workerPool = new WorkerPool(() => {
    return new Worker(
        __filename,
        {
            //wire up ts-node if we're running in ts-node
            execArgv: /\.ts$/i.test(__filename)
                ? ['--require', 'ts-node/register']
                /* istanbul ignore next */
                : undefined
        }
    );
});

//if this script is running in a Worker, start the project runner
/* istanbul ignore next */
if (!isMainThread) {
    const runner = new WorkerThreadProjectRunner();
    runner.run(parentPort);
}

export class WorkerThreadProject implements LspProject {

    public async activate(options: ProjectConfig) {
        this.activateOptions = options;
        this.projectPath = options.projectPath ? util.standardizePath(options.projectPath) : options.projectPath;
        this.workspaceFolder = options.workspaceFolder ? util.standardizePath(options.workspaceFolder) : options.workspaceFolder;
        this.projectNumber = options.projectNumber;
        this.bsconfigPath = options.bsconfigPath ? util.standardizePath(options.bsconfigPath) : options.bsconfigPath;

        // start a new worker thread or get an unused existing thread
        this.worker = workerPool.getWorker();
        this.messageHandler = new MessageHandler<LspProject>({
            name: 'MainThread',
            port: this.worker,
            onRequest: this.processRequest.bind(this),
            onUpdate: this.processUpdate.bind(this)
        });
        this.disposables.push(this.messageHandler);

        const activateResponse = await this.messageHandler.sendRequest<ActivateResponse>('activate', { data: [options] });
        this.bsconfigPath = activateResponse.data.bsconfigPath;
        this.rootDir = activateResponse.data.rootDir;
        this.filePatterns = activateResponse.data.filePatterns;

        this.activationDeferred.resolve();
        return activateResponse.data;
    }

    private activationDeferred = new Deferred();

    /**
     * Options used to activate this project
     */
    public activateOptions: ProjectConfig;

    /**
     * The root directory of the project
     */
    public rootDir: string;

    /**
     * The file patterns from bsconfig.json that were used to find all files for this project
     */
    public filePatterns: string[];

    /**
     * Path to a bsconfig.json file that will be used for this project
     */
    public bsconfigPath?: string;

    /**
     * The worker thread where the actual project will execute
     */
    private worker: Worker;

    /**
     * The path to where the project resides
     */
    public projectPath: string;

    /**
     * A unique number for this project, generated during this current language server session. Mostly used so we can identify which project is doing logging
     */
    public projectNumber: number;

    /**
     * The path to the workspace where this project resides. A workspace can have multiple projects (by adding a bsconfig.json to each folder).
     * Defaults to `.projectPath` if not set
     */
    public workspaceFolder: string;

    /**
     * Promise that resolves when the project finishes activating
     * @returns a promise that resolves when the project finishes activating
     */
    public whenActivated() {
        return this.activationDeferred.promise;
    }


    /**
     * Validate the project. This will trigger a full validation on any scopes that were changed since the last validation,
     * and will also eventually emit a new 'diagnostics' event that includes all diagnostics for the project
     */
    public async validate() {
        const response = await this.messageHandler.sendRequest<void>('validate');
        return response.data;
    }

    /**
     * Cancel any active validation that's running
     */
    public async cancelValidate() {
        const response = await this.messageHandler.sendRequest<void>('cancelValidate');
        return response.data;
    }

    public async getDiagnostics() {
        const response = await this.messageHandler.sendRequest<LspDiagnostic[]>('getDiagnostics');
        return response.data;
    }

    /**
     * Apply a series of file changes to the project. This is safe to call any time. Changes will be queued and flushed at the correct times
     * during the program's lifecycle flow
     */
    public async applyFileChanges(documentActions: DocumentAction[]): Promise<DocumentActionWithStatus[]> {
        const response = await this.messageHandler.sendRequest<DocumentActionWithStatus[]>('applyFileChanges', {
            data: [documentActions]
        });
        return response.data;
    }

    /**
     * Send a request with the standard structure
     * @param name the name of the request
     * @param data the array of data to send
     * @returns the response from the request
     */
    private async sendStandardRequest<T>(name: string, ...data: any[]) {
        const response = await this.messageHandler.sendRequest<T>(name as any, {
            data: data
        });
        return response.data;
    }

    /**
     * Get the full list of semantic tokens for the given file path
     */
    public async getSemanticTokens(options: { srcPath: string }) {
        return this.sendStandardRequest<SemanticToken[]>('getSemanticTokens', options);
    }

    public async transpileFile(options: { srcPath: string }) {
        return this.sendStandardRequest<FileTranspileResult>('transpileFile', options);
    }

    public async getHover(options: { srcPath: string; position: Position }): Promise<Hover[]> {
        return this.sendStandardRequest<Hover[]>('getHover', options);
    }

    public async getDefinition(options: { srcPath: string; position: Position }): Promise<Location[]> {
        return this.sendStandardRequest<Location[]>('getDefinition', options);
    }

    public async getSignatureHelp(options: { srcPath: string; position: Position }): Promise<SignatureInfoObj[]> {
        return this.sendStandardRequest<SignatureInfoObj[]>('getSignatureHelp', options);
    }

    public async getDocumentSymbol(options: { srcPath: string }): Promise<DocumentSymbol[]> {
        return this.sendStandardRequest<DocumentSymbol[]>('getDocumentSymbol', options);
    }

    public async getWorkspaceSymbol(): Promise<WorkspaceSymbol[]> {
        return this.sendStandardRequest<WorkspaceSymbol[]>('getWorkspaceSymbol');
    }

    public async getReferences(options: { srcPath: string; position: Position }): Promise<Location[]> {
        return this.sendStandardRequest<Location[]>('getReferences', options);
    }

    public async getCodeActions(options: { srcPath: string; range: Range }): Promise<CodeAction[]> {
        return this.sendStandardRequest<CodeAction[]>('getCodeActions', options);
    }

    public async getCompletions(options: { srcPath: string; position: Position }): Promise<CompletionList> {
        return this.sendStandardRequest<CompletionList>('getCompletions', options);
    }

    /**
     * Handles request/response/update messages from the worker thread
     */
    private messageHandler: MessageHandler<LspProject>;

    private processRequest(request: WorkerMessage) {

    }

    private processUpdate(update: WorkerMessage) {
        //for now, all updates are treated like "events"
        this.emit(update.name as any, update.data);
    }

    public on(eventName: 'critical-failure', handler: (data: { message: string }) => void);
    public on(eventName: 'diagnostics', handler: (data: { diagnostics: LspDiagnostic[] }) => MaybePromise<void>);
    public on(eventName: 'all', handler: (eventName: string, data: any) => MaybePromise<void>);
    public on(eventName: string, handler: (...args: any[]) => MaybePromise<void>) {
        this.emitter.on(eventName, handler as any);
        return () => {
            this.emitter.removeListener(eventName, handler as any);
        };
    }

    private emit(eventName: 'critical-failure', data: { message: string });
    private emit(eventName: 'diagnostics', data: { diagnostics: LspDiagnostic[] });
    private async emit(eventName: string, data?) {
        //emit these events on next tick, otherwise they will be processed immediately which could cause issues
        await util.sleep(0);
        this.emitter.emit(eventName, data);
        //emit the 'all' event
        this.emitter.emit('all', eventName, data);
    }
    private emitter = new EventEmitter();

    public disposables: LspProject['disposables'] = [];

    public dispose() {
        for (let disposable of this.disposables ?? []) {
            disposable?.dispose?.();
        }
        this.disposables = [];

        //move the worker back to the pool so it can be used again
        if (this.worker) {
            workerPool.releaseWorker(this.worker);
        }
        this.emitter?.removeAllListeners();
    }
}

1	import * as EventEmitter from 'eventemitter3';	1✔
2	import { Worker } from 'worker_threads';	1✔
3	import type { WorkerMessage } from './MessageHandler';
4	import { MessageHandler } from './MessageHandler';	1✔
5	import util from '../../util';	1✔
6	import type { LspDiagnostic, ActivateResponse, ProjectConfig } from '../LspProject';
7	import { type LspProject } from '../LspProject';
8	import { isMainThread, parentPort } from 'worker_threads';	1✔
9	import { WorkerThreadProjectRunner } from './WorkerThreadProjectRunner';	1✔
10	import { WorkerPool } from './WorkerPool';	1✔
11	import type { Hover, MaybePromise, SemanticToken } from '../../interfaces';
12	import type { DocumentAction, DocumentActionWithStatus } from '../DocumentManager';
13	import { Deferred } from '../../deferred';	1✔
14	import type { FileTranspileResult, SignatureInfoObj } from '../../Program';
15	import type { Position, Range, Location, DocumentSymbol, WorkspaceSymbol, CodeAction, CompletionList } from 'vscode-languageserver-protocol';
16
17	export const workerPool = new WorkerPool(() => {	1✔
18	return new Worker(	1✔
19	__filename,
20	{
21	//wire up ts-node if we're running in ts-node
22	execArgv: /\.ts$/i.test(__filename)
23	? ['--require', 'ts-node/register']	1✔
24	/* istanbul ignore next */
25	: undefined
26	}
27	);
28	});
29
30	//if this script is running in a Worker, start the project runner
31	/* istanbul ignore next */
32	if (!isMainThread) {
33	const runner = new WorkerThreadProjectRunner();
34	runner.run(parentPort);
35	}
36
37	export class WorkerThreadProject implements LspProject {	1✔
38
39	public async activate(options: ProjectConfig) {
40	this.activateOptions = options;	3✔
41	this.projectPath = options.projectPath ? util.standardizePath(options.projectPath) : options.projectPath;	3!
42	this.workspaceFolder = options.workspaceFolder ? util.standardizePath(options.workspaceFolder) : options.workspaceFolder;	3✔
43	this.projectNumber = options.projectNumber;	3✔
44	this.bsconfigPath = options.bsconfigPath ? util.standardizePath(options.bsconfigPath) : options.bsconfigPath;	3!
45
46	// start a new worker thread or get an unused existing thread
47	this.worker = workerPool.getWorker();	3✔
48	this.messageHandler = new MessageHandler<LspProject>({	3✔
49	name: 'MainThread',
50	port: this.worker,
51	onRequest: this.processRequest.bind(this),
52	onUpdate: this.processUpdate.bind(this)
53	});
54	this.disposables.push(this.messageHandler);	3✔
55
56	const activateResponse = await this.messageHandler.sendRequest<ActivateResponse>('activate', { data: [options] });	3✔
57	this.bsconfigPath = activateResponse.data.bsconfigPath;	3✔
58	this.rootDir = activateResponse.data.rootDir;	3✔
59	this.filePatterns = activateResponse.data.filePatterns;	3✔
60
61	this.activationDeferred.resolve();	3✔
62	return activateResponse.data;	3✔
63	}
64
65	private activationDeferred = new Deferred();	3✔
66
67	/**
68	* Options used to activate this project
69	*/
70	public activateOptions: ProjectConfig;
71
72	/**
73	* The root directory of the project
74	*/
75	public rootDir: string;
76
77	/**
78	* The file patterns from bsconfig.json that were used to find all files for this project
79	*/
80	public filePatterns: string[];
81
82	/**
83	* Path to a bsconfig.json file that will be used for this project
84	*/
85	public bsconfigPath?: string;
86
87	/**
88	* The worker thread where the actual project will execute
89	*/
90	private worker: Worker;
91
92	/**
93	* The path to where the project resides
94	*/
95	public projectPath: string;
96
97	/**
98	* A unique number for this project, generated during this current language server session. Mostly used so we can identify which project is doing logging
99	*/
100	public projectNumber: number;
101
102	/**
103	* The path to the workspace where this project resides. A workspace can have multiple projects (by adding a bsconfig.json to each folder).
104	* Defaults to `.projectPath` if not set
105	*/
106	public workspaceFolder: string;
107
108	/**
109	* Promise that resolves when the project finishes activating
110	* @returns a promise that resolves when the project finishes activating
111	*/
112	public whenActivated() {
UNCOV 113	return this.activationDeferred.promise;	×
114	}
115
116
117	/**
118	* Validate the project. This will trigger a full validation on any scopes that were changed since the last validation,
119	* and will also eventually emit a new 'diagnostics' event that includes all diagnostics for the project
120	*/
121	public async validate() {
UNCOV 122	const response = await this.messageHandler.sendRequest<void>('validate');	×
UNCOV 123	return response.data;	×
124	}
125
126	/**
127	* Cancel any active validation that's running
128	*/
129	public async cancelValidate() {
UNCOV 130	const response = await this.messageHandler.sendRequest<void>('cancelValidate');	×
UNCOV 131	return response.data;	×
132	}
133
134	public async getDiagnostics() {
135	const response = await this.messageHandler.sendRequest<LspDiagnostic[]>('getDiagnostics');	1✔
136	return response.data;	1✔
137	}
138
139	/**
140	* Apply a series of file changes to the project. This is safe to call any time. Changes will be queued and flushed at the correct times
141	* during the program's lifecycle flow
142	*/
143	public async applyFileChanges(documentActions: DocumentAction[]): Promise<DocumentActionWithStatus[]> {
UNCOV 144	const response = await this.messageHandler.sendRequest<DocumentActionWithStatus[]>('applyFileChanges', {	×
145	data: [documentActions]
146	});
UNCOV 147	return response.data;	×
148	}
149
150	/**
151	* Send a request with the standard structure
152	* @param name the name of the request
153	* @param data the array of data to send
154	* @returns the response from the request
155	*/
156	private async sendStandardRequest<T>(name: string, ...data: any[]) {
UNCOV 157	const response = await this.messageHandler.sendRequest<T>(name as any, {	×
158	data: data
159	});
UNCOV 160	return response.data;	×
161	}
162
163	/**
164	* Get the full list of semantic tokens for the given file path
165	*/
166	public async getSemanticTokens(options: { srcPath: string }) {
UNCOV 167	return this.sendStandardRequest<SemanticToken[]>('getSemanticTokens', options);	×
168	}
169
170	public async transpileFile(options: { srcPath: string }) {
UNCOV 171	return this.sendStandardRequest<FileTranspileResult>('transpileFile', options);	×
172	}
173
174	public async getHover(options: { srcPath: string; position: Position }): Promise<Hover[]> {
UNCOV 175	return this.sendStandardRequest<Hover[]>('getHover', options);	×
176	}
177
178	public async getDefinition(options: { srcPath: string; position: Position }): Promise<Location[]> {
UNCOV 179	return this.sendStandardRequest<Location[]>('getDefinition', options);	×
180	}
181
182	public async getSignatureHelp(options: { srcPath: string; position: Position }): Promise<SignatureInfoObj[]> {
183	return this.sendStandardRequest<SignatureInfoObj[]>('getSignatureHelp', options);	×
184	}
185
186	public async getDocumentSymbol(options: { srcPath: string }): Promise<DocumentSymbol[]> {
187	return this.sendStandardRequest<DocumentSymbol[]>('getDocumentSymbol', options);	×
188	}
189
190	public async getWorkspaceSymbol(): Promise<WorkspaceSymbol[]> {
191	return this.sendStandardRequest<WorkspaceSymbol[]>('getWorkspaceSymbol');	×
192	}
193
194	public async getReferences(options: { srcPath: string; position: Position }): Promise<Location[]> {
195	return this.sendStandardRequest<Location[]>('getReferences', options);	×
196	}
197
198	public async getCodeActions(options: { srcPath: string; range: Range }): Promise<CodeAction[]> {
199	return this.sendStandardRequest<CodeAction[]>('getCodeActions', options);	×
200	}
201
202	public async getCompletions(options: { srcPath: string; position: Position }): Promise<CompletionList> {
203	return this.sendStandardRequest<CompletionList>('getCompletions', options);	×
204	}
205
206	/**
207	* Handles request/response/update messages from the worker thread
208	*/
209	private messageHandler: MessageHandler<LspProject>;
210
211	private processRequest(request: WorkerMessage) {
212
213	}
214
215	private processUpdate(update: WorkerMessage) {
216	//for now, all updates are treated like "events"
217	this.emit(update.name as any, update.data);	3✔
218	}
219
220	public on(eventName: 'critical-failure', handler: (data: { message: string }) => void);
221	public on(eventName: 'diagnostics', handler: (data: { diagnostics: LspDiagnostic[] }) => MaybePromise<void>);
222	public on(eventName: 'all', handler: (eventName: string, data: any) => MaybePromise<void>);
223	public on(eventName: string, handler: (...args: any[]) => MaybePromise<void>) {
224	this.emitter.on(eventName, handler as any);	1✔
225	return () => {	1✔
UNCOV 226	this.emitter.removeListener(eventName, handler as any);	×
227	};
228	}
229
230	private emit(eventName: 'critical-failure', data: { message: string });
231	private emit(eventName: 'diagnostics', data: { diagnostics: LspDiagnostic[] });
232	private async emit(eventName: string, data?) {
233	//emit these events on next tick, otherwise they will be processed immediately which could cause issues
234	await util.sleep(0);	3✔
235	this.emitter.emit(eventName, data);	3✔
236	//emit the 'all' event
237	this.emitter.emit('all', eventName, data);	3✔
238	}
239	private emitter = new EventEmitter();	3✔
240
241	public disposables: LspProject['disposables'] = [];	3✔
242
243	public dispose() {
244	for (let disposable of this.disposables ?? []) {	3!
245	disposable?.dispose?.();	4!
246	}
247	this.disposables = [];	3✔
248
249	//move the worker back to the pool so it can be used again
250	if (this.worker) {	3!
251	workerPool.releaseWorker(this.worker);	3✔
252	}
253	this.emitter?.removeAllListeners();	3!
254	}
255	}

rokucommunity / brighterscript / #13809

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