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1import type {
2 DefaultSharedCoreModuleContext,
3 LangiumCoreServices,
4 LangiumSharedCoreServices,
5 Module,
6 PartialLangiumCoreServices,
7} from 'langium';
8import {
9 EmptyFileSystem,
10 createDefaultCoreModule,
11 createDefaultSharedCoreModule,
12 inject,
13} from 'langium';
14
15import {
16 MermaidGeneratedSharedModule,
17 PieGrammarGeneratedModule as PieGeneratedModule,
18} from '../generated/module.js';
19import { PieTokenBuilder } from './tokenBuilder.js';
20import { PieValueConverter } from './valueConverter.js';
21
22/**
23 * Declaration of `Pie` services.
24 */
25interface PieAddedServices {
26 parser: {
27 TokenBuilder: PieTokenBuilder;
28 ValueConverter: PieValueConverter;
29 };
30}
31
32/**
33 * Union of Langium default services and `Pie` services.
34 */
35export type PieServices = LangiumCoreServices & PieAddedServices;
36
37/**
38 * Dependency injection module that overrides Langium default services and
39 * contributes the declared `Pie` services.
40 */
41export const PieModule: Module<PieServices, PartialLangiumCoreServices & PieAddedServices> = {
42 parser: {
43 TokenBuilder: () => new PieTokenBuilder(),
44 ValueConverter: () => new PieValueConverter(),
45 },
46};
47
48/**
49 * Create the full set of services required by Langium.
50 *
51 * First inject the shared services by merging two modules:
52 * - Langium default shared services
53 * - Services generated by langium-cli
54 *
55 * Then inject the language-specific services by merging three modules:
56 * - Langium default language-specific services
57 * - Services generated by langium-cli
58 * - Services specified in this file
59 * @param context - Optional module context with the LSP connection
60 * @returns An object wrapping the shared services and the language-specific services
61 */
62export function createPieServices(context: DefaultSharedCoreModuleContext = EmptyFileSystem): {
63 shared: LangiumSharedCoreServices;
64 Pie: PieServices;
65} {
66 const shared: LangiumSharedCoreServices = inject(
67 createDefaultSharedCoreModule(context),
68 MermaidGeneratedSharedModule
69 );
70 const Pie: PieServices = inject(
71 createDefaultCoreModule({ shared }),
72 PieGeneratedModule,
73 PieModule
74 );
75 shared.ServiceRegistry.register(Pie);
76 return { shared, Pie };
77}
78