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/******************************************************************************
* Copyright 2022 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 { Rule, BaseParser, LLkLookaheadStrategy, ILookaheadValidationError, IOrAlt, OptionalProductionType } from "chevrotain";
export type AmbiguityReport = (message: string) => void;
export interface LLStarLookaheadOptions {
logging?: AmbiguityReport;
}
export declare class LLStarLookaheadStrategy extends LLkLookaheadStrategy {
private atn;
private dfas;
private logging;
constructor(options?: LLStarLookaheadOptions);
initialize(options: {
rules: Rule[];
}): void;
validateAmbiguousAlternationAlternatives(): ILookaheadValidationError[];
validateEmptyOrAlternatives(): ILookaheadValidationError[];
buildLookaheadForAlternation(options: {
prodOccurrence: number;
rule: Rule;
maxLookahead: number;
hasPredicates: boolean;
dynamicTokensEnabled: boolean;
}): (this: BaseParser, orAlts?: IOrAlt<any>[] | undefined) => number | undefined;
buildLookaheadForOptional(options: {
prodOccurrence: number;
prodType: OptionalProductionType;
rule: Rule;
maxLookahead: number;
dynamicTokensEnabled: boolean;
}): (this: BaseParser) => boolean;
}
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