[promisehook] Implement PromiseHook

src/isolate.h

 // Copyright 2012 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_ISOLATE_H_
 #define V8_ISOLATE_H_
 
 #include <memory>
 #include <queue>
 
@@ skipping 397 matching lines @@
     deserialize_internal_fields_callback, nullptr)                            \
   V(int, pending_microtask_count, 0)                                          \
   V(int, debug_microtask_count, 0)                                            \
   V(HStatistics*, hstatistics, nullptr)                                       \
   V(CompilationStatistics*, turbo_statistics, nullptr)                        \
   V(HTracer*, htracer, nullptr)                                               \
   V(CodeTracer*, code_tracer, nullptr)                                        \
   V(bool, fp_stubs_generated, false)                                          \
   V(uint32_t, per_isolate_assert_data, 0xFFFFFFFFu)                           \
   V(PromiseRejectCallback, promise_reject_callback, nullptr)                  \
+  V(PromiseHook, promise_hook, nullptr)                                       \
   V(const v8::StartupData*, snapshot_blob, nullptr)                           \
   V(int, code_and_metadata_size, 0)                                           \
   V(int, bytecode_and_metadata_size, 0)                                       \
   /* true if being profiled. Causes collection of extra compile info. */      \
   V(bool, is_profiling, false)                                                \
   /* true if a trace is being formatted through Error.prepareStackTrace. */   \
   V(bool, formatting_stack_trace, false)                                      \
   ISOLATE_INIT_SIMULATOR_LIST(V)
 
 #define THREAD_LOCAL_TOP_ACCESSOR(type, name)                        \
@@ skipping 690 matching lines @@
 
   BasicBlockProfiler* GetOrCreateBasicBlockProfiler();
   BasicBlockProfiler* basic_block_profiler() { return basic_block_profiler_; }
 
   std::string GetTurboCfgFileName();
 
 #if TRACE_MAPS
   int GetNextUniqueSharedFunctionInfoId() { return next_unique_sfi_id_++; }
 #endif
 
-  Address is_promisehook_enabled_address() {
-    return reinterpret_cast<Address>(&is_promisehook_enabled_);
+  Address is_promise_hook_enabled_address() {
+    return reinterpret_cast<Address>(&is_promise_hook_enabled_);
   }
-  bool IsPromiseHookEnabled() { return is_promisehook_enabled_; }
-  void EnablePromiseHook();
-  void DisablePromiseHook();
+  bool IsPromiseHookEnabled() { return is_promise_hook_enabled_; }
+  void SetPromiseHook(PromiseHook hook);
+  void RunPromiseHook(PromiseHookType type, Handle<JSObject> promise,
+                      Handle<Object> parent);
 
   // Support for dynamically disabling tail call elimination.
   Address is_tail_call_elimination_enabled_address() {
     return reinterpret_cast<Address>(&is_tail_call_elimination_enabled_);
   }
   bool is_tail_call_elimination_enabled() const {
     return is_tail_call_elimination_enabled_;
   }
   void SetTailCallEliminationEnabled(bool enabled);
 
@@ skipping 222 matching lines @@
   // Whether the isolate has been created for snapshotting.
   bool serializer_enabled_;
 
   // True if fatal error has been signaled for this isolate.
   bool has_fatal_error_;
 
   // True if this isolate was initialized from a snapshot.
   bool initialized_from_snapshot_;
 
   // True if PromiseHook feature is enabled.
-  bool is_promisehook_enabled_;
+  bool is_promise_hook_enabled_;
 
   // True if ES2015 tail call elimination feature is enabled.
   bool is_tail_call_elimination_enabled_;
 
   // True if the isolate is in background. This flag is used
   // to prioritize between memory usage and latency.
   bool is_isolate_in_background_;
 
   // Time stamp at initialization.
   double time_millis_at_init_;
@@ skipping 306 matching lines @@
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ISOLATE_H_