whatlang-interpreter/lib/cli.js

Interpreter for WhatLang 2024, a stack-based esolang

#!/usr/bin/env node
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
/// <reference types="node" />
const commander_1 = require("commander");
const fs_1 = __importDefault(require("fs"));
const whatlang_interpreter_1 = require("./whatlang_interpreter");
const program = new commander_1.Command();
program
    .name("what")
    .description("WhatLang, a stack-based programming language")
    .argument("[file]", "file to execute")
    .option("-e, --execute <code>", "execute code directly")
    .action((file, options) => {
    let code = "";
    if (options.execute) {
        code = options.execute;
    }
    else if (file && file !== "-") {
        try {
            code = fs_1.default.readFileSync(file, "utf-8");
        }
        catch (err) {
            console.error(`Error reading file: ${err.message}`);
            process.exit(1);
        }
    }
    else if (process.stdin.isTTY && !file) {
        // interactive mode not implemented yet
        return program.help();
    }
    else {
        const stdinBuffer = fs_1.default.readFileSync(0, "utf-8");
        code = stdinBuffer;
    }
    return executeCode(code);
});
program.parse(process.argv);
async function executeCode(code) {
    try {
        await (0, whatlang_interpreter_1.eval_what)(code, [[]], { ...whatlang_interpreter_1.default_var_dict }, t => process.stdout.write(String(t)));
    }
    catch (err) {
        console.error(err);
        process.exit(126);
    }
}