#pragma once 
 
#ifndef NDEBUG 
//#define ENABLE_ACTOR_CALLSTACK 
#endif 
 
#ifdef ENABLE_ACTOR_CALLSTACK 
#include "defs.h"
#include <util/system/backtrace.h>
#include <util/stream/str.h>
#include <util/generic/deque.h>
#define USE_ACTOR_CALLSTACK
 
namespace NActors { 
    struct TCallstack {
        struct TTrace {
            static const size_t CAPACITY = 50;
            void* Data[CAPACITY];
            size_t Size;
            size_t LinesToSkip;
 
            TTrace()
                : Size(0)
                , LinesToSkip(0)
            {
            }
        };

        static const size_t RECORDS = 8;
        static const size_t RECORDS_TO_SKIP = 2;
        TTrace Record[RECORDS];
        size_t BeginIdx;
        size_t Size; 
        size_t LinesToSkip; 
 
        TCallstack();
        void SetLinesToSkip();
        void Trace();
        void TraceIfEmpty();
        static TCallstack& GetTlsCallstack();
        static void DumpCallstack(TStringStream& str);
    }; 
 
    void EnableActorCallstack();
    void DisableActorCallstack();
 
}
 
#else 
 
namespace NActors { 
    inline void EnableActorCallstack(){};
 
    inline void DisableActorCallstack(){};
 
}
 
#endif