[inspector] added creation frame for async call chains for promises

src/inspector/v8-debugger.h

 // Copyright 2016 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_INSPECTOR_V8DEBUGGER_H_
 #define V8_INSPECTOR_V8DEBUGGER_H_
 
 #include <vector>
 
 #include "src/base/macros.h"
@@ skipping 59 matching lines @@
 
   int maxAsyncCallChainDepth() { return m_maxAsyncCallStackDepth; }
   V8StackTraceImpl* currentAsyncCallChain();
   void setAsyncCallStackDepth(V8DebuggerAgentImpl*, int);
   std::unique_ptr<V8StackTraceImpl> createStackTrace(v8::Local<v8::StackTrace>);
   std::unique_ptr<V8StackTraceImpl> captureStackTrace(bool fullStack);
 
   v8::MaybeLocal<v8::Array> internalProperties(v8::Local<v8::Context>,
                                                v8::Local<v8::Value>);
 
+  void asyncTaskCreated(void* task);
   void asyncTaskScheduled(const StringView& taskName, void* task,
                           bool recurring);
   void asyncTaskScheduled(const String16& taskName, void* task, bool recurring);
   void asyncTaskCanceled(void* task);
   void asyncTaskStarted(void* task);
   void asyncTaskFinished(void* task);
   void allAsyncTasksCanceled();
 
   void muteScriptParsedEvents();
   void unmuteScriptParsedEvents();
@@ skipping 51 matching lines @@
                              v8::Local<v8::Object> exec_state,
                              v8::Local<v8::Value> break_points_hit) override;
   void ExceptionThrown(v8::Local<v8::Context> paused_context,
                        v8::Local<v8::Object> exec_state,
                        v8::Local<v8::Value> exception,
                        bool is_promise_rejection, bool is_uncaught) override;
   bool IsBlackboxed(v8::Local<v8::debug::Script> script,
                     const v8::debug::Location& start,
                     const v8::debug::Location& end) override;
 
+  void registerAsyncTaskIfNeeded(void* task);
+
   v8::Isolate* m_isolate;
   V8InspectorImpl* m_inspector;
   int m_enableCount;
   bool m_breakpointsActivated;
   v8::Global<v8::Object> m_debuggerScript;
   v8::Global<v8::Context> m_debuggerContext;
   v8::Local<v8::Object> m_executionState;
   v8::Local<v8::Context> m_pausedContext;
   bool m_runningNestedMessageLoop;
   int m_ignoreScriptParsedEventsCounter;
   bool m_scheduledOOMBreak = false;
 
   using AsyncTaskToStackTrace =
       protocol::HashMap<void*, std::unique_ptr<V8StackTraceImpl>>;
   AsyncTaskToStackTrace m_asyncTaskStacks;
+  AsyncTaskToStackTrace m_asyncTaskCreatedStacks;

[dgozman, 2017/01/24 01:02:41]

m_asyncTaskCreationStacks

[kozy, 2017/01/24 21:43:39]

Done.

   int m_maxAsyncCallStacks;
   std::map<int, void*> m_idToTask;
   std::unordered_map<void*, int> m_taskToId;
   int m_lastTaskId;
   protocol::HashSet<void*> m_recurringTasks;
   int m_maxAsyncCallStackDepth;
   std::vector<void*> m_currentTasks;
   std::vector<std::unique_ptr<V8StackTraceImpl>> m_currentStacks;
   protocol::HashMap<V8DebuggerAgentImpl*, int> m_maxAsyncCallStackDepthMap;
 
   v8::debug::ExceptionBreakState m_pauseOnExceptionsState;
 
   WasmTranslation m_wasmTranslation;
 
   DISALLOW_COPY_AND_ASSIGN(V8Debugger);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_V8DEBUGGER_H_