"use strict";
// -*- mode: js; indent-tabs-mode: nil; js-basic-offset: 4 -*-
//
// This file is part of Genie
//
// Copyright 2020 The Board of Trustees of the Leland Stanford Junior University
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Author: Giovanni Campagna <gcampagn@cs.stanford.edu>
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const events = __importStar(require("events"));
const exec_wrapper_1 = __importDefault(require("./exec_wrapper"));
class RuleExecutor extends events.EventEmitter {
    constructor(engine, app, compiled, output) {
        super();
        this.engine = engine;
        this.app = app;
        this._output = output;
        this._env = new exec_wrapper_1.default(engine, app, output);
        this._tt = compiled;
        // create an early promise so we can call waitFinished() before start()
        this._finished = null;
        this._finishPromise = new Promise((resolve, reject) => {
            this._finished = { resolve, reject };
        });
    }
    async _ruleThread() {
        try {
            await this._tt(this._env);
        }
        catch (e) {
            this._env.reportError('Uncaught error in rule', e);
        }
        this.emit('finish');
        this._output.done();
        this._finished.resolve();
    }
    start() {
        this._ruleThread();
    }
    waitFinished() {
        return this._finishPromise;
    }
    end() {
        this._env.endProgram();
        return this.waitFinished();
    }
    stop() {
        this._env.stopTrigger();
    }
}
exports.default = RuleExecutor;
//# sourceMappingURL=rule_executor.js.map