GPUCommonLogger.h

// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.

/// \file GPUCommonLogger.h
/// \author David Rohr

#ifndef GPUCOMMONFAIRLOGGER_H
#define GPUCOMMONFAIRLOGGER_H

#include "GPUCommonDef.h"

#if defined(GPUCA_GPUCODE_DEVICE)
namespace o2::gpu::detail
{
struct DummyLogger {
  template <typename... Args>
  GPUd() DummyLogger& operator<<(Args... args)
  {
    return *this;
  }
};
} // namespace o2::gpu::detail
#endif

#if defined(__OPENCL__) || (defined(GPUCA_GPUCODE_DEVICE) && !defined(GPUCA_GPU_DEBUG_PRINT))
#define LOG(...) o2::gpu::detail::DummyLogger()
#define LOGF(...)
#define LOGP(...)

#elif defined(GPUCA_GPUCODE_DEVICE)
#define LOG(...) o2::gpu::detail::DummyLogger()
// #define LOG(...) static_assert(false, "LOG(...) << ... unsupported in GPU code");
#define LOGF(type, string, ...)         \
  {                                     \
    printf(string "\n", ##__VA_ARGS__); \
  }
#define LOGP(...)
// #define LOGP(...) static_assert(false, "LOGP(...) unsupported in GPU code");

#elif defined(GPUCA_STANDALONE) || defined(GPUCA_GPUCODE_COMPILEKERNELS) || defined(GPUCA_COMPILEKERNELS)
#include <iostream>
#include <cstdio>
#define LOG(type) std::cout
#define LOGF(type, string, ...)         \
  {                                     \
    printf(string "\n", ##__VA_ARGS__); \
  }
#define LOGP(type, string, ...) \
  {                             \
    printf("%s\n", string);     \
  }

#else
#include <Framework/Logger.h>

#endif

#endif