39 lines
1.8 KiB
JavaScript
39 lines
1.8 KiB
JavaScript
/******************************************************************************
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* Copyright 2023 TypeFox GmbH
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* This program and the accompanying materials are made available under the
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* terms of the MIT License, which is available in the project root.
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******************************************************************************/
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import { createDefaultCoreModule, createDefaultSharedCoreModule } from '../default-module.js';
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import { inject } from '../dependency-injection.js';
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import * as ast from '../languages/generated/ast.js';
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import { EmptyFileSystem } from '../workspace/file-system-provider.js';
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import { URI } from './uri-utils.js';
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const minimalGrammarModule = {
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Grammar: () => undefined,
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LanguageMetaData: () => ({
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caseInsensitive: false,
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fileExtensions: ['.langium'],
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languageId: 'langium'
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})
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};
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const minimalSharedGrammarModule = {
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AstReflection: () => new ast.LangiumGrammarAstReflection()
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};
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function createMinimalGrammarServices() {
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const shared = inject(createDefaultSharedCoreModule(EmptyFileSystem), minimalSharedGrammarModule);
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const grammar = inject(createDefaultCoreModule({ shared }), minimalGrammarModule);
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shared.ServiceRegistry.register(grammar);
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return grammar;
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}
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/**
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* Load a Langium grammar for your language from a JSON string. This is used by several services,
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* most notably the parser builder which interprets the grammar to create a parser.
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*/
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export function loadGrammarFromJson(json) {
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var _a;
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const services = createMinimalGrammarServices();
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const astNode = services.serializer.JsonSerializer.deserialize(json);
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services.shared.workspace.LangiumDocumentFactory.fromModel(astNode, URI.parse(`memory://${(_a = astNode.name) !== null && _a !== void 0 ? _a : 'grammar'}.langium`));
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return astNode;
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}
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//# sourceMappingURL=grammar-loader.js.map
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