deps: revert removal of V8::PromiseEvent

The removal of the promise debug event is an API/ABI breaking change.

Ref: https://codereview.chromium.org/1833563002
Ref: https://github.com/ofrobots/node/pull/23

PR-URL: https://github.com/nodejs/node/pull/7016
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

1 files changed, 27 insertions, 0 deletions

diff --git a/deps/v8/src/debug/debug.cc b/deps/v8/src/debug/debug.cc
index 6e94012579..7c76742bb9 100644
--- a/deps/v8/src/debug/debug.cc
+++ b/deps/v8/src/debug/debug.cc
@@ -1708,6 +1708,13 @@ MaybeHandle<Object> Debug::MakeCompileEvent(Handle<Script> script,
 }
 
 
+MaybeHandle<Object> Debug::MakePromiseEvent(Handle<JSObject> event_data) {
+  // Create the promise event object.
+  Handle<Object> argv[] = { event_data };
+  return CallFunction("MakePromiseEvent", arraysize(argv), argv);
+}
+
+
 MaybeHandle<Object> Debug::MakeAsyncTaskEvent(Handle<JSObject> task_event) {
   // Create the async task event object.
   Handle<Object> argv[] = { task_event };
@@ -1838,6 +1845,25 @@ void Debug::OnAfterCompile(Handle<Script> script) {
 }
 
 
+void Debug::OnPromiseEvent(Handle<JSObject> data) {
+  if (in_debug_scope() || ignore_events()) return;
+
+  HandleScope scope(isolate_);
+  DebugScope debug_scope(this);
+  if (debug_scope.failed()) return;
+
+  // Create the script collected state object.
+  Handle<Object> event_data;
+  // Bail out and don't call debugger if exception.
+  if (!MakePromiseEvent(data).ToHandle(&event_data)) return;
+
+  // Process debug event.
+  ProcessDebugEvent(v8::PromiseEvent,
+                    Handle<JSObject>::cast(event_data),
+                    true);
+}
+
+
 void Debug::OnAsyncTaskEvent(Handle<JSObject> data) {
   if (in_debug_scope() || ignore_events()) return;
 
@@ -1987,6 +2013,7 @@ void Debug::NotifyMessageHandler(v8::DebugEvent event,
     case v8::NewFunction:
     case v8::BeforeCompile:
     case v8::CompileError:
+    case v8::PromiseEvent:
     case v8::AsyncTaskEvent:
       break;
     case v8::Exception: