langium-cli/lib/generator/bnf-generator.d.ts

CLI for Langium - the language engineering tool

/******************************************************************************
 * Copyright 2025 TypeFox GmbH
 * This program and the accompanying materials are made available under the
 * terms of the MIT License, which is available in the project root.
 ******************************************************************************/
import { type Grammar } from 'langium';
export declare function generateBnf(grammars: Grammar[], options?: GeneratorOptions): string;
/**
 * Default: GBNF
 * EBNF doesn't support RegEx terminal rules.
 */
export type BnfDialect = 'GBNF' | 'EBNF';
/**
 * By default, comments are generated according to the dialect.
 * Use this option to force a specific comment style.
 * Use `parentheses` for `(* comment *)`, `slash` for `/* comment *\/`, `hash` for `# comment`
 * and `skip` to disable comment generation.
 */
export type CommentStyle = 'skip' | 'parentheses' | 'slash' | 'hash';
export type GeneratorOptions = {
    dialect: BnfDialect;
    commentStyle?: CommentStyle;
};
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