@sudoo/marked/evaluate/for-in-statement.js

JavaScript & TypeScript code runner in JavaScript, safe with marked territory, asynchronous

"use strict";
/**
 * @author WMXPY
 * @namespace Evaluate
 * @description For In Statement
 */
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.forInStatementEvaluator = exports.mountForInStatement = void 0;
const error_code_1 = require("../declare/error-code");
const error_1 = require("../util/error/error");
const context_1 = require("../util/node/context");
const declare_1 = require("../variable/declare");
const flag_1 = require("../variable/flag");
const sand_map_1 = require("../variable/sand-map");
const mountForInStatement = (sandbox) => {
    sandbox.mount("ForInStatement", exports.forInStatementEvaluator);
};
exports.mountForInStatement = mountForInStatement;
const forInStatementEvaluator = function (node, scope, trace) {
    return __awaiter(this, void 0, void 0, function* () {
        const nextTrace = trace.stack(node);
        const map = yield this.execute(node.right, scope, nextTrace);
        const limitCounter = new context_1.LimitCounter(this.getOption("maxForLoopLimit"));
        if (!(map instanceof sand_map_1.SandMap)) {
            throw (0, error_1.error)(error_code_1.ERROR_CODE.FOR_IN_LOOP_ONLY_FOR_MAP, void 0, node, trace);
        }
        if (node.left.type !== "VariableDeclaration") {
            throw (0, error_1.error)(error_code_1.ERROR_CODE.FOR_IN_LOOP_ONLY_FOR_MAP, void 0, node, trace);
        }
        let loopIsBreaking = false;
        let loopIsContinuing = false;
        if (trace.hasLabel()) {
            scope.registerLabelListener(trace.ensureLabel(), (type) => {
                if (type === declare_1.SCOPE_LABEL_LISTENER_TYPE.BREAK) {
                    this.skip();
                    loopIsBreaking = true;
                }
                if (type === declare_1.SCOPE_LABEL_LISTENER_TYPE.CONTINUE) {
                    this.skip();
                    loopIsContinuing = true;
                }
            });
        }
        loop: for (const key of map.keys()) {
            if (limitCounter.addAndCheck()) {
                this.break();
                throw (0, error_1.error)(error_code_1.ERROR_CODE.MAXIMUM_FOR_IN_LOOP_LIMIT_EXCEED, limitCounter.amount().toString(), node, trace);
            }
            if (loopIsBreaking) {
                this.recoverFromSkip();
                break loop;
            }
            const subScope = scope.child();
            const declarations = node.left.declarations;
            const left = node.left;
            const registerFunc = (name) => {
                const registerer = subScope.register(left.kind);
                registerer(name, key);
            };
            declarations.forEach((declaration) => {
                const id = declaration.id;
                registerFunc(id.name);
            });
            const result = yield this.execute(node.body, subScope, nextTrace);
            if (loopIsContinuing) {
                this.recoverFromSkip();
                loopIsContinuing = false;
                continue loop;
            }
            if (result instanceof flag_1.Flag) {
                if (result.isBreak()) {
                    if (typeof result.getValue() === "string") {
                        const breakingLabel = result.getValue();
                        scope.executeLabelListener(breakingLabel, declare_1.SCOPE_LABEL_LISTENER_TYPE.BREAK);
                        break loop;
                    }
                    break loop;
                }
                else if (result.isReturn()) {
                    return result.getValue();
                }
                else if (result.isContinue()) {
                    if (typeof result.getValue() === "string") {
                        if (trace.hasLabel()
                            && trace.ensureLabel() === result.getValue()) {
                            continue loop;
                        }
                        const continuingLabel = result.getValue();
                        scope.executeLabelListener(continuingLabel, declare_1.SCOPE_LABEL_LISTENER_TYPE.CONTINUE);
                        break loop;
                    }
                    continue loop;
                }
                else {
                    throw (0, error_1.error)(error_code_1.ERROR_CODE.INTERNAL_ERROR, void 0, node, trace);
                }
            }
        }
        if (loopIsBreaking || loopIsContinuing) {
            this.recoverFromSkip();
        }
        return;
    });
};
exports.forInStatementEvaluator = forInStatementEvaluator;