/*

 * 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.

 */

#include "JSLibInternal.h"

#include "hermes/VM/Operations.h"

#include "hermes/VM/StringView.h"

#include "llvh/Support/raw_ostream.h"

namespace hermes {

namespace vm {

/// Convert all arguments to string and print them followed by new line.

CallResult<HermesValue> print(void *, Runtime &runtime, NativeArgs args) {

  GCScope scope(runtime);

  auto marker = scope.createMarker();

  bool first = true;

  for (Handle<> arg : args.handles()) {

    scope.flushToMarker(marker);

    auto res = toString_RJS(runtime, arg);

    if (res == ExecutionStatus::EXCEPTION)

      return ExecutionStatus::EXCEPTION;

    if (!first)

      llvh::outs() << " ";

    SmallU16String<32> tmp;

    llvh::outs() << StringPrimitive::createStringView(

                        runtime, runtime.makeHandle(std::move(*res)))

                        .getUTF16Ref(tmp);

    first = false;

  }

  llvh::outs() << "\n";

  llvh::outs().flush();

  return HermesValue::encodeUndefinedValue();

}

} // namespace vm

} // namespace hermes