D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlCore/checks.hpp

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#ifndef CHECK_INCLUDED
#define CHECK_INCLUDED

#include <vlCore/config.hpp>
#include <cassert>
#if defined(__GNUG__) || defined(__MINGW32__) 
#include <cstdio>
#endif

namespace vl
{
  VLCORE_EXPORT void log_failed_check(const char*, const char*, int);

  // Compile-time check
  #define VL_COMPILE_TIME_CHECK( expr ) typedef char compile_time_assert[ (expr) ? 1 : -1 ];

  #if defined(_DEBUG) || !defined(NDEBUG) || VL_FORCE_CHECKS == 1

    // Visual Studio
    #if defined(_MSC_VER) 
      #define VL_TRAP() __debugbreak(); /*{ __asm {int 3} }*/
    // GNU GCC
    #elif defined(__GNUG__) || defined(__MINGW32__) 
      #define VL_TRAP() { fflush(stdout); fflush(stderr); asm("int $0x3"); }
    // Others: fixme?
    #else 
      #define VL_TRAP() {}
    #endif

    #define VL_CHECK(expr) { if(!(expr)) { ::vl::log_failed_check(#expr,__FILE__,__LINE__); VL_TRAP() } }
    #define VL_WARN(expr)  { if(!(expr)) { ::vl::log_failed_check(#expr,__FILE__,__LINE__); } }

    // MSDN checked iterators
    // #define _SECURE_SCL 1
  #else
    #define VL_WARN(expr) {}
    #define VL_CHECK(expr) {}
    #define VL_TRAP() {}

    // MSDN checked iterators
    // #define _SECURE_SCL 0
  #endif
}

#endif