pegisland/dist/src/IParsingEnv.d.ts

General PEG-based parser supporting island grammars with lake symbols

import { IParseTree } from './ParseTree';
import { Position } from './Position';
import { Recognizer } from './Recognizer';
import { Rule } from './Rule';
import { IParsingExpression } from './ParsingExpression';
export interface IParsingEnv {
    s: string;
    parse(pe: IParsingExpression, pos: Position): [IParseTree, Position] | null;
    parseRule(rule: Rule, pos: Position): [IParseTree, Position] | null;
    push(): void;
    pop(): void;
    has(name: string): boolean;
    lookup(name: string): string;
    register(name: string, value: string): void;
}
export declare abstract class BaseParsingEnv<K extends object> implements IParsingEnv {
    #private;
    s: string;
    readonly recognizer: Recognizer;
    protected readonly memo: WeakMap<K, [IParseTree, Position] | null>[];
    private symbolStack;
    constructor(s: string);
    push(): void;
    pop(): void;
    has(name: string): boolean;
    lookup(name: string): string;
    register(name: string, value: string): void;
    parseRule(rule: Rule, pos: Position): [IParseTree, Position] | null;
    abstract parse(pe: IParsingExpression, pos: Position): [IParseTree, Position] | null;
}
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