/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict-local
 * @format
 */

// See https://github.com/facebook/hermes/blob/master/tools/emhermesc/emhermesc.cpp
declare function cwrap(
  'hermesCompileToBytecode',
  string,
  Array<string>,
): (number, number, string, number, number) => Buffer;
declare function cwrap(
  'hermesCompileResult_getError',
  string,
  Array<string>,
): Buffer => ?Error;
declare function cwrap(
  'hermesCompileResult_getBytecodeAddr',
  string,
  Array<string>,
): Buffer => number;
declare function cwrap(
  'hermesCompileResult_getBytecodeSize',
  string,
  Array<string>,
): Buffer => number;
declare function cwrap(
  'hermesCompileResult_free',
  string,
  Array<string>,
): Buffer => void;
declare function ccall(
  'hermesGetProperties',
  string,
  Array<string>,
  Array<string>,
): string;

type HermescInterface = {
  cwrap: typeof cwrap,
  ccall: typeof ccall,
  _malloc: number => number,
  HEAP8: Buffer,
  _free: number => void,
};

declare function hermesc(options: {
  noInitialRun: boolean,
  noExitRuntime: boolean,
  print: () => void,
  printErr: () => void,
}): HermescInterface;

declare module.exports: typeof hermesc;