Line data    Source code

       1             : // Copyright 2017 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include "src/builtins/builtins-utils.h"
       6             : #include "src/builtins/builtins.h"
       7             : #include "src/objects-inl.h"
       8             : 
       9             : namespace v8 {
      10             : namespace internal {
      11             : 
      12         285 : BUILTIN(IsPromise) {
      13             :   SealHandleScope scope(isolate);
      14             : 
      15             :   Handle<Object> object = args.atOrUndefined(isolate, 1);
      16          95 :   return isolate->heap()->ToBoolean(object->IsJSPromise());
      17             : }
      18             : 
      19             : }  // namespace internal
      20             : }  // namespace v8