hindiscript-lang/src/index.js

HindiScript – A tiny Hindi-first toy language that runs .hs files. Created by Atikin Verse.

import fs from 'node:fs';
import path from 'node:path';
import process from 'node:process';
import { translateHindiToInternal } from './translator.js';
import { runInSandbox } from './sandbox.js';
import { makeRuntime } from './runtime.js';
import { color, exitWith } from './utils.js';

export async function runCLI() {
  const argv = process.argv.slice(2);

  if (argv.length === 0 || argv.includes('--help') || argv.includes('-h')) {
    printHelp();
    process.exit(0);
  }

  const showAst = argv.includes('--show-internal');
  const showCode = argv.includes('--show-code');
  const idxFile = argv.findIndex(a => a.endsWith('.hs'));
  if (idxFile === -1) {
    exitWith(1, `${color.red('Error:')} Please provide a .hs file.\nTry: hindiscript examples/hello.hs`);
  }

  const file = argv[idxFile];
  const abs = path.resolve(process.cwd(), file);
  if (!fs.existsSync(abs)) exitWith(1, `${color.red('Error:')} File not found: ${file}`);

  const src = fs.readFileSync(abs, 'utf8');

  try {
    const { code, meta } = translateHindiToInternal(src, { filename: file });

    if (showAst || showCode) {
      console.log(color.dim('\n---[ INTERNAL CODE VIEW ]---'));
      console.log(code);
      console.log(color.dim('---------------------------\n'));
    }

    const output = [];
    const runtime = makeRuntime({
      print: (...args) => {
        const line = args.map(v => formatValue(v)).join(' ');
        output.push(line);
        console.log(line);
      }
    });

    await runInSandbox(code, { runtime, filename: file });

    // If user defined मुख्य(), call it by default
    if (typeof runtime.__globals.__main === 'function') {
      await runtime.__globals.__main();
    }
  } catch (err) {
    console.error(color.red('Runtime Error:'));
    console.error(err && err.stack ? err.stack : err);
    process.exit(1);
  }
}

function formatValue(v) {
  if (typeof v === 'string') return v;
  try { return JSON.stringify(v); } catch { return String(v); }
}

function printHelp() {
  console.log(`
${color.cyan('HindiScript')} – run Hindi .hs files directly

${color.bold('Usage:')}
  hindiscript <file.hs> [options]

${color.bold('Options:')}
  --show-code        Show internal translated code (for learning)
  --show-internal    Same as --show-code
  -h, --help         Show this help

${color.bold('Example:')}
  hindiscript examples/hello.hs
  hindiscript examples/control_flow.hs
  hindiscript examples/functions.hs
  hindiscript --show-code examples/hello.hs
`);
}