[inspector] async stacks for Promise.then calls...

src/debug/debug.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_DEBUG_DEBUG_H_
 #define V8_DEBUG_DEBUG_H_
 
 #include "src/allocation.h"
 #include "src/arguments.h"
 #include "src/assembler.h"
 #include "src/base/atomicops.h"
 #include "src/base/hashmap.h"
 #include "src/base/platform/platform.h"
 #include "src/debug/debug-interface.h"
+#include "src/debug/interface-types.h"
 #include "src/execution.h"
 #include "src/factory.h"
 #include "src/flags.h"
 #include "src/frames.h"
 #include "src/globals.h"
 #include "src/runtime/runtime.h"
 #include "src/source-position-table.h"
 #include "src/string-stream.h"
 #include "src/v8threads.h"
 
@@ skipping 48 matching lines @@
 
 const int kDebugPromiseNoID = 0;
 const int kDebugPromiseFirstID = 1;
 
 enum PromiseDebugActionName {
   kDebugNotActive,
   kDebugAsyncFunction,
   kDebugPromiseResolve,
   kDebugPromiseReject,
   kDebugPromiseResolveThenableJob,
-};
-
-enum PromiseDebugActionType {
-  kDebugEnqueue,
-  kDebugEnqueueRecurring,
-  kDebugCancel,
-  kDebugWillHandle,
-  kDebugDidHandle,
+  kDebugPromiseCollected,
 };
 
 class BreakLocation {
  public:
   static BreakLocation FromFrame(Handle<DebugInfo> debug_info,
                                  JavaScriptFrame* frame);
 
   static void AllAtCurrentStatement(Handle<DebugInfo> debug_info,
                                     JavaScriptFrame* frame,
                                     List<BreakLocation>* result_out);
@@ skipping 318 matching lines @@
 // DebugInfo.
 class Debug {
  public:
   // Debug event triggers.
   void OnDebugBreak(Handle<Object> break_points_hit, bool auto_continue);
 
   void OnThrow(Handle<Object> exception);
   void OnPromiseReject(Handle<Object> promise, Handle<Object> value);
   void OnCompileError(Handle<Script> script);
   void OnAfterCompile(Handle<Script> script);
-  void OnAsyncTaskEvent(PromiseDebugActionType type, int id,
+  void OnAsyncTaskEvent(debug::PromiseDebugActionType type, int id,
                         PromiseDebugActionName name);
 
   // API facing.
   void SetEventListener(Handle<Object> callback, Handle<Object> data);
   void SetMessageHandler(v8::Debug::MessageHandler handler);
   void EnqueueCommandMessage(Vector<const uint16_t> command,
                              v8::Debug::ClientData* client_data = NULL);
   MUST_USE_RESULT MaybeHandle<Object> Call(Handle<Object> fun,
                                            Handle<Object> data);
   Handle<Context> GetDebugContext();
@@ skipping 27 matching lines @@
   void PrepareStepOnThrow();
   void ClearStepping();
   void ClearStepOut();
 
   bool PrepareFunctionForBreakPoints(Handle<SharedFunctionInfo> shared);
   bool GetPossibleBreakpoints(Handle<Script> script, int start_position,
                               int end_position, std::set<int>* positions);
 
   void RecordGenerator(Handle<JSGeneratorObject> generator_object);
 
+  int NextAsyncTaskId(Handle<JSObject> promise);
+
   // Returns whether the operation succeeded. Compilation can only be triggered
   // if a valid closure is passed as the second argument, otherwise the shared
   // function needs to be compiled already.
   bool EnsureDebugInfo(Handle<SharedFunctionInfo> shared,
                        Handle<JSFunction> function);
   void CreateDebugInfo(Handle<SharedFunctionInfo> shared);
   static Handle<DebugInfo> GetDebugInfo(Handle<SharedFunctionInfo> shared);
 
   template <typename C>
   bool CompileToRevealInnerFunctions(C* compilable);
@@ skipping 227 matching lines @@
 
     // Stores the way how LiveEdit has patched the stack. It is used when
     // debugger returns control back to user script.
     LiveEditFrameDropMode frame_drop_mode_;
 
     // Value of accumulator in interpreter frames. In non-interpreter frames
     // this value will be the hole.
     Handle<Object> return_value_;
 
     Object* suspended_generator_;
+
+    int async_task_count_;
   };
 
   // Storage location for registers when handling debug break calls
   ThreadLocal thread_local_;
 
   Isolate* isolate_;
 
   friend class Isolate;
   friend class DebugScope;
   friend class DisableBreak;
@@ skipping 97 matching lines @@
                                   Handle<Code> code);
   static bool DebugBreakSlotIsPatched(Address pc);
   static void ClearDebugBreakSlot(Isolate* isolate, Address pc);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_DEBUG_DEBUG_H_