343 lines
12 KiB
TypeScript
343 lines
12 KiB
TypeScript
/*****************************************************************************\
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| ( )_ _ |
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| _ _ _ __ _ _ __ ___ ___ _ _ | ,_)(_) ___ ___ _ |
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| ( '_`\ ( '__)/'_` ) /'_ `\/' _ ` _ `\ /'_` )| | | |/',__)/' _ `\ /'_`\ |
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| | (_) )| | ( (_| |( (_) || ( ) ( ) |( (_| || |_ | |\__, \| (˅) |( (_) ) |
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| | ,__/'(_) `\__,_)`\__ |(_) (_) (_)`\__,_)`\__)(_)(____/(_) (_)`\___/' |
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| | | ( )_) | |
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| (_) \___/' |
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| General Bots Copyright (c) Pragmatismo.io. All rights reserved. |
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| Licensed under the AGPL-3.0. |
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| |
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| According to our dual licensing model, this program can be used either |
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| under the terms of the GNU Affero General Public License, version 3, |
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| or under a proprietary license. |
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| |
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| The texts of the GNU Affero General Public License with an additional |
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| permission and of our proprietary license can be found at and |
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| in the LICENSE file you have received along with this program. |
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| |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY, without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU Affero General Public License for more details. |
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| |
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| "General Bots" is a registered trademark of Pragmatismo.io. |
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| The licensing of the program under the AGPLv3 does not imply a |
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| trademark license. Therefore any rights, title and interest in |
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| our trademarks remain entirely with us. |
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| |
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\*****************************************************************************/
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'use strict';
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import { WaterfallDialog } from 'botbuilder-dialogs';
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import { GBLog, GBMinInstance, GBService, IGBCoreService } from 'botlib';
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import * as fs from 'fs';
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import { GBDeployer } from './GBDeployer';
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import { TSCompiler } from './TSCompiler';
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const walkPromise = require('walk-promise');
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const vm = require('vm');
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import urlJoin = require('url-join');
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import { DialogClass } from './GBAPIService';
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import { Messages } from '../strings';
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//tslint:disable-next-line:no-submodule-imports
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const vb2ts = require('vbscript-to-typescript/dist/converter');
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const beautify = require('js-beautify').js;
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var textract = require('textract');
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/**
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* @fileoverview Virtualization services for emulation of BASIC.
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* This alpha version is using a hack in form of converter to
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* translate BASIC to TS and string replacements to emulate await code.
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* See http://jsfiddle.net/roderick/dym05hsy for more info on vb2ts, so
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* http://stevehanov.ca/blog/index.php?id=92 should be used to run it without
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* translation and enhance classic BASIC experience.
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*/
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/**
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* Basic services for BASIC manipulation.
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*/
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export class GBVMService extends GBService {
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private readonly script = new vm.Script();
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public async loadDialogPackage(folder: string, min: GBMinInstance, core: IGBCoreService, deployer: GBDeployer) {
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const files = await walkPromise(folder);
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this.addHearDialog(min);
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return Promise.all(
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files.map(async file => {
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let filename: string = file.name;
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if (
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filename.endsWith('.vbs') ||
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filename.endsWith('.vb') ||
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filename.endsWith('.basic') ||
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filename.endsWith('.bas') ||
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filename.endsWith('.docx')
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) {
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if (filename.endsWith('.docx')) {
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let text = await this.getTextFromWord(folder, filename);
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filename = filename.substr(0, filename.indexOf('docx')) + 'vbs';
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fs.writeFileSync(urlJoin(folder, filename), text);
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}
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const mainName = filename.replace(/\s|\-/g, '').split('.')[0];
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min.scriptMap[filename] = mainName;
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const fullFilename = urlJoin(folder, filename);
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// TODO: Implement in development mode, how swap for .vbs files
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// fs.watchFile(fullFilename, async () => {
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// await this.run(fullFilename, min, deployer, mainName);
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// });
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await this.run(fullFilename, min, deployer, mainName);
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}
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})
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);
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}
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private async getTextFromWord(folder: string, filename: string) {
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return new Promise<string>(async (resolve, reject) => {
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textract.fromFileWithPath(urlJoin(folder, filename), { preserveLineBreaks: true },
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(error, text) => {
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if (error) {
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reject(error);
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}
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else {
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resolve(text);
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}
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});
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});
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}
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/**
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* Converts General Bots BASIC
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*
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*
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* @param code General Bots BASIC
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*/
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public convertGBASICToVBS(code: string) {
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// Start and End of VB2TS tags of processing.
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code = `<%\n
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from = this.getFrom(step)
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today = this.getToday(step)
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id = sys().getRandomId()
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${code}
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`;
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// Keywords from General Bots BASIC.
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code = code.replace(/(hear email)/g, `email = askEmail()`);
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code = code.replace(/(hear)\s*(\w+)/g, ($0, $1, $2) => {
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return `${$2} = hear()`;
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});
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code = code.replace(/(\w)\s*\=\s*find\s*(.*)/g, ($0, $1, $2, $3) => {
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return `${$1} = sys().find(${$2})\n`;
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});
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code = code.replace(/(wait)\s*(\d+)/g, ($0, $1, $2) => {
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return `sys().wait(${$2})`;
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});
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code = code.replace(/(get stock for )(.*)/g, ($0, $1, $2) => {
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return `let stock = sys().getStock(${$2})`;
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});
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code = code.replace(/(get)(\s)(.*)/g, ($0, $1, $2) => {
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return `sys().httpGet (${$2})`;
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});
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code = code.replace(/(create a bot farm using)(\s)(.*)/g, ($0, $1, $2, $3) => {
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return `sys().createABotFarmUsing (${$3})`;
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});
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code = code.replace(/(talk)(\s)(.*)/g, ($0, $1, $2, $3) => {
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return `talk (step, ${$3})\n`;
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});
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code = code.replace(/(send file)(\s*)(.*)/g, ($0, $1, $2, $3) => {
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return `sendFile (step, ${$3})\n`;
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});
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code = code.replace(/(save)(\s)(.*)/g, ($0, $1, $2, $3) => {
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return `sys().save(${$3})\n`;
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});
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code = `${code}\n%>`;
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return code;
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}
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public async run(filename: any, min: GBMinInstance, deployer: GBDeployer, mainName: string) {
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// Converts General Bots BASIC into regular VBS
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const basicCode: string = fs.readFileSync(filename, 'utf8');
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const vbsCode = this.convertGBASICToVBS(basicCode);
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const vbsFile = `${filename}.compiled`;
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fs.writeFileSync(vbsFile, vbsCode, 'utf8');
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// Converts VBS into TS.
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vb2ts.convertFile(vbsFile);
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// Convert TS into JS.
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const tsfile: string = `${filename}.ts`;
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let tsCode: string = fs.readFileSync(tsfile, 'utf8');
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tsCode = tsCode.replace(/export.*\n/g, `export function ${mainName}(step:any) { let resolve = undefined;`);
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fs.writeFileSync(tsfile, tsCode);
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const tsc = new TSCompiler();
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tsc.compile([tsfile]);
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// Run JS into the GB context.
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const jsfile = `${tsfile}.js`.replace('.ts', '');
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if (fs.existsSync(jsfile)) {
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let code: string = fs.readFileSync(jsfile, 'utf8');
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code = code.replace(/^.*exports.*$/gm, '');
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// Finds all hear calls.
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let parsedCode = code;
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const hearExp = /(\w+).*hear.*\(\)/;
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let match1;
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while ((match1 = hearExp.exec(code))) {
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let pos = 0;
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// Writes async body.
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const variable = match1[1]; // Construct variable = hear ().
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const promiseName = `promiseFor${variable}`;
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parsedCode = code.substring(pos, pos + match1.index);
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parsedCode += ``;
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parsedCode += `const ${promiseName}= async (step, ${variable}) => {`
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parsedCode += ` return new Promise(async (resolve) => {`
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// Skips old construction and point to the async block.
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pos = pos + match1.index;
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let tempCode = code.substring(pos + match1[0].length + 1);
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const start = pos;
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// Balances code blocks and checks for exits.
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let right = 0;
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let left = 1;
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let match2;
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while ((match2 = /\{|\}/.exec(tempCode))) {
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const c = tempCode.substring(match2.index, match2.index + 1);
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if (c === '}') {
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right++;
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} else if (c === '{') {
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left++;
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}
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tempCode = tempCode.substring(match2.index + 1);
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pos += match2.index + 1;
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if (left === right) {
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break;
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}
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}
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parsedCode += code.substring(start + match1[0].length + 1, pos + match1[0].length);
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parsedCode += '});\n';
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parsedCode += '}\n';
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parsedCode += `hear (step, ${promiseName}, resolve);\n`;
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parsedCode += code.substring(pos + match1[0].length);
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// A interaction will be made for each hear.
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code = parsedCode;
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}
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parsedCode = this.handleThisAndAwait(parsedCode);
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parsedCode = beautify(parsedCode, { indent_size: 2, space_in_empty_paren: true })
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fs.writeFileSync(jsfile, parsedCode);
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try {
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const sandbox: DialogClass = new DialogClass(min, deployer);
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const context = vm.createContext(sandbox);
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vm.runInContext(parsedCode, context);
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min.sandBoxMap[mainName] = sandbox;
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GBLog.info(`[GBVMService] Finished loading of ${filename}`);
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} catch (error) {
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GBLog.error(`[GBVMService] ERROR loading ${error}`);
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}
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}
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}
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private handleThisAndAwait(code: string) {
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// this insertion.
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code = code.replace(/sys\(\)/g, 'this.sys()');
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code = code.replace(/("[^"]*"|'[^']*')|\btalk\b/g, ($0, $1) => {
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return $1 === undefined ? 'this.talk' : $1;
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});
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code = code.replace(/("[^"]*"|'[^']*')|\bhear\b/g, ($0, $1) => {
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return $1 === undefined ? 'this.hear' : $1;
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});
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code = code.replace(/("[^"]*"|'[^']*')|\bsendEmail\b/g, ($0, $1) => {
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return $1 === undefined ? 'this.sendEmail' : $1;
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});
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code = code.replace(/("[^"]*"|'[^']*')|\baskEmail\b/g, ($0, $1) => {
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return $1 === undefined ? 'this.askEmail' : $1;
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});
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code = code.replace(/("[^"]*"|'[^']*')|\bsendFile\b/g, ($0, $1) => {
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return $1 === undefined ? 'this.sendFile' : $1;
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});
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// await insertion.
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code = code.replace(/this\./gm, 'await this.');
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code = code.replace(/function/gm, 'async function');
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return code;
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}
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private addHearDialog(min) {
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min.dialogs.add(
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new WaterfallDialog('/hear', [
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async step => {
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step.activeDialog.state.options = {};
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step.activeDialog.state.options.cbId = (step.options as any).id;
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step.activeDialog.state.options.previousResolve = (step.options as any).previousResolve;
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return await step.prompt('textPrompt', {});
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},
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async step => {
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const cbId = step.activeDialog.state.options.cbId;
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const promise = min.cbMap[cbId].promise;
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delete min.cbMap[cbId];
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try {
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const opts = await promise(step, step.result);
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return await step.replaceDialog('/hear', opts);
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} catch (error) {
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GBLog.error(`Error running BASIC code: ${error}`);
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const locale = step.context.activity.locale;
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step.context.sendActivity(Messages[locale].very_sorry_about_error);
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return await step.replaceDialog('/ask', { isReturning: true });
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}
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}
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])
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);
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}
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}
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