src/builtins/suppressed-error.tq

// Copyright 2023 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

namespace error {

// https://arai-a.github.io/ecma262-compare/?pr=3000&id=sec-suppressederror
transitioning javascript builtin SuppressedErrorConstructor(
    js-implicit context: NativeContext, target: JSFunction, newTarget: JSAny)(
    ...arguments): JSAny {
  const error: JSAny = arguments[0];
  const suppressed: JSAny = arguments[1];
  const message: JSAny = arguments[2];

  // 1. If NewTarget is undefined, let newTarget be the active function object;
  // else let newTarget be NewTarget.
  // 2. Let O be ? OrdinaryCreateFromConstructor(newTarget,
  // "%SuppressedError.prototype%", « [[ErrorData]] »).
  // 3. If message is not undefined, then
  //    a. Let messageString be ? ToString(message).
  //    b. Perform CreateNonEnumerableDataPropertyOrThrow(O, "message",
  //    messageString).
  const obj: JSObject =
      ConstructSuppressedError(context, target, newTarget, message);

  // 4. Perform CreateNonEnumerableDataPropertyOrThrow(O, "error", error).
  SetOwnPropertyIgnoreAttributes(
      obj, ErrorStringConstant(), error,
      SmiConstant(PropertyAttributes::DONT_ENUM));

  // 5. Perform CreateNonEnumerableDataPropertyOrThrow(O, "suppressed",
  // suppressed).
  SetOwnPropertyIgnoreAttributes(
      obj, SuppressedStringConstant(), suppressed,
      SmiConstant(PropertyAttributes::DONT_ENUM));

  // 6. Return O.
  return obj;
}

extern transitioning runtime ConstructSuppressedError(
    Context, JSFunction, JSAny, Object): JSObject;

}