[promisehook] Store promise in PromiseReactionJob

src/objects.h

 // Copyright 2015 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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 6875 matching lines @@
   static const int kSize = kContextOffset + kPointerSize;
 
   DECLARE_CAST(PromiseResolveThenableJobInfo)
   DECLARE_PRINTER(PromiseResolveThenableJobInfo)
   DECLARE_VERIFIER(PromiseResolveThenableJobInfo)
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PromiseResolveThenableJobInfo);
 };
 
+class JSPromise;
+
 // Struct to hold state required for PromiseReactionJob.
 class PromiseReactionJobInfo : public Struct {
  public:
+  DECL_ACCESSORS(promise, JSPromise)

[adamk, 2016/12/15 07:00:37]

Please update objects-debug.cc while you're adding this.

   DECL_ACCESSORS(value, Object)
   DECL_ACCESSORS(tasks, Object)
   DECL_ACCESSORS(deferred, Object)
   DECL_ACCESSORS(debug_id, Object)
   DECL_ACCESSORS(debug_name, Object)
   DECL_ACCESSORS(context, Context)
 
-  static const int kValueOffset = Struct::kHeaderSize;
+  static const int kPromiseOffset = Struct::kHeaderSize;
+  static const int kValueOffset = kPromiseOffset + kPointerSize;
   static const int kTasksOffset = kValueOffset + kPointerSize;
   static const int kDeferredOffset = kTasksOffset + kPointerSize;
   static const int kDebugIdOffset = kDeferredOffset + kPointerSize;
   static const int kDebugNameOffset = kDebugIdOffset + kPointerSize;
   static const int kContextOffset = kDebugNameOffset + kPointerSize;
   static const int kSize = kContextOffset + kPointerSize;
 
   DECLARE_CAST(PromiseReactionJobInfo)
   DECLARE_PRINTER(PromiseReactionJobInfo)
   DECLARE_VERIFIER(PromiseReactionJobInfo)
@@ skipping 5091 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_