tcl-js/dist/commands/if.js

tcl-js is a tcl intepreter written completely in Typescript. It is meant to replicate the tcl-sh interpreter as closely as possible.

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    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) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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};
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports", "../types", "../scope", "../interpreter"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var types_1 = require("../types");
    var scope_1 = require("../scope");
    var interpreter_1 = require("../interpreter");
    function Load(scope) {
        var _this = this;
        scope.defineProc('if', function (interpreter, args, command, helpers) { return __awaiter(_this, void 0, void 0, function () {
            var expression, solved, code, newInterpreter, nextop, code_1, newInterpreter;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        args = args;
                        _a.label = 1;
                    case 1:
                        if (!(args.length > 0)) return [3, 3];
                        expression = args.shift();
                        return [4, helpers.solveExpression(expression)];
                    case 2:
                        solved = _a.sent();
                        code = args.shift();
                        if (code === 'then')
                            code = args.shift();
                        if (!code)
                            return [2, helpers.sendHelp('wargs')];
                        if (solved) {
                            newInterpreter = new interpreter_1.Interpreter(interpreter.getTcl(), code, new scope_1.Scope(interpreter.getScope()));
                            return [2, newInterpreter.run()];
                        }
                        nextop = args.shift();
                        if (nextop === 'else') {
                            code_1 = args.shift();
                            if (!code_1)
                                return [2, helpers.sendHelp('wargs')];
                            newInterpreter = new interpreter_1.Interpreter(interpreter.getTcl(), code_1, new scope_1.Scope(interpreter.getScope()));
                            return [2, newInterpreter.run()];
                        }
                        else if (nextop === 'elseif') {
                            return [3, 1];
                        }
                        else if (nextop === undefined) {
                            return [3, 1];
                        }
                        else {
                            return [2, helpers.sendHelp('undefifop')];
                        }
                        return [3, 1];
                    case 3: return [2, new types_1.TclSimple('')];
                }
            });
        }); }, {
            arguments: {
                pattern: "if {expr1} ?then? {body1} elseif {expr2} ?then? {body2} elseif {...} ?else {bodyN}?",
                textOnly: true,
                amount: {
                    start: 2,
                    end: -1,
                },
            },
        });
    }
    exports.Load = Load;
});
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