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//
// Copyright 2012 Josh Blum
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with io_sig program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef INCLUDED_LIBGRAS_IMPL_DEBUG_HPP
#define INCLUDED_LIBGRAS_IMPL_DEBUG_HPP

#include <iostream>
#include <stdexcept>
#include <boost/current_function.hpp>

//----------------------------------------------------------------------
//-- set to 1 to enable these debugs:
//----------------------------------------------------------------------
#define GENESIS 0
#define ARMAGEDDON 0

//----------------------------------------------------------------------
//-- define to enable these debugs:
//----------------------------------------------------------------------
//#define WORK_DEBUG
#define ASSERTING
#define MESSAGE_TRACING

//----------------------------------------------------------------------
//-- various debug prints
//----------------------------------------------------------------------
#define HERE() std::cerr << __FILE__ << ":" << __LINE__ << std::endl << std::flush;
#define VAR(x) std::cerr << #x << " = " << (x) << std::endl << std::flush;

#ifdef MESSAGE_TRACING
#define MESSAGE_TRACER() std::cerr << "Handle message: " << block_ptr->to_string() << " in " << BOOST_CURRENT_FUNCTION << std::endl << std::flush;
#else
#define MESSAGE_TRACER()
#endif

//----------------------------------------------------------------------
//-- implementation for assert debug
//----------------------------------------------------------------------
#ifdef ASSERTING
#define ASSERT(x) {if(not (x)) \
{ \
    std::cerr << "ASSERT FAIL " << __FILE__ << ":" << __LINE__ << "\n\t" << #x << std::endl << std::flush; \
    throw std::runtime_error(std::string("ASSERT FAIL ") + #x); \
}}
#else
#define ASSERT(x)
#endif

//----------------------------------------------------------------------
//-- implementation for work debug
//----------------------------------------------------------------------
#ifdef WORK_DEBUG

#include <boost/thread/mutex.hpp>

static boost::mutex work_debug_mutex;

struct WorkDebugPrinter
{
    WorkDebugPrinter(const std::string &name):
        lock(work_debug_mutex), name(name)
    {
        std::cerr << "-----> begin work on " << name << std::endl;
    }

    ~WorkDebugPrinter(void)
    {
        std::cerr << "<----- end work on " << name << std::endl;
    }

    boost::mutex::scoped_lock lock;
    std::string name;
};

#endif

#endif /*INCLUDED_LIBGRAS_IMPL_DEBUG_HPP*/