parjs/internal/result.js

A parser-combinator library for JavaScript.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * @module parjs
 */
/** */
const errors_1 = require("../errors");
const trace_visualizer_1 = require("./trace-visualizer");
/**
 * Indicates a success reply and contains the value and other information.
 */
class ParjsSuccess {
    constructor(value) {
        this.value = value;
        /**
         * The kind of the result: OK, Soft, Hard, Fatal.
         */
        this.kind = ResultKind.Ok;
    }
    toString() {
        return `Success: ${this.value}`;
    }
    /**
     * Whether this result is an OK.
     */
    get isOk() {
        return true;
    }
}
exports.ParjsSuccess = ParjsSuccess;
/**
 * A failure result from a Parjs parser.
 */
class ParjsFailure {
    constructor(trace) {
        this.trace = trace;
    }
    get value() {
        throw new errors_1.ParjsParsingFailure(this);
    }
    get kind() {
        return this.trace.kind;
    }
    get reason() {
        return this.trace.reason;
    }
    toString() {
        return trace_visualizer_1.visualizeTrace(this.trace);
    }
    /**
     * Whether this result is an OK.
     */
    get isOk() {
        return false;
    }
}
exports.ParjsFailure = ParjsFailure;
/**
 * Namespace that contains the different reply kinds/error levels.
 */
var ResultKind;
(function (ResultKind) {
    /**
     * An Unknown reply.
     */
    ResultKind.Unknown = "Unknown";
    /**
     * An OK reply.
     */
    ResultKind.Ok = "OK";
    /**
     * A soft failure reply.
     */
    ResultKind.SoftFail = "Soft";
    /**
     * A hard failure reply.
     */
    ResultKind.HardFail = "Hard";
    /**
     * A fatal failure reply.
     */
    ResultKind.FatalFail = "Fatal";
})(ResultKind = exports.ResultKind || (exports.ResultKind = {}));

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