#!/usr/bin/env node

/**
 * This tiny wrapper file checks for known node flags and appends them
 * when found, before invoking the "real" _6to5-node(1) executable.
 */

var spawn = require("child_process").spawn;
var args  = ["--harmony", __dirname + "/_6to5-node"];

process.argv.slice(2).forEach(function(arg){
  var flag = arg.split("=")[0];

  switch (flag) {
    case "-d":
      args.unshift("--debug");
      args.push("--no-timeouts");
      break;
    case "debug":
    case "--debug":
    case "--debug-brk":
      args.unshift(arg);
      args.push("--no-timeouts");
      break;
    case "-gc":
    case "--expose-gc":
      args.unshift("--expose-gc");
      break;
    case "--gc-global":
    case "--harmony":
    case "--harmony-proxies":
    case "--harmony-collections":
    case "--harmony-generators":
    case "--no-deprecation":
    case "--prof":
    case "--throw-deprecation":
    case "--trace-deprecation":
      args.unshift(arg);
      break;
    default:
      if (0 == arg.indexOf("--trace")) args.unshift(arg);
      else args.push(arg);
      break;
  }
});

var proc = spawn(process.argv[0], args, { stdio: "inherit" });
proc.on("exit", function (code, signal) {
  process.on("exit", function (){
    if (signal) {
      process.kill(process.pid, signal);
    } else {
      process.exit(code);
    }
  });
});