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PxAssert.h

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// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.

#ifndef PXFOUNDATION_PXASSERT_H
#define PXFOUNDATION_PXASSERT_H

#include "foundation/Px.h"

#if !PX_DOXYGEN
namespace physx
{
#endif

/* Base class to handle assert failures */
class PxAssertHandler
{
  public:
    virtual ~PxAssertHandler()
    {
    }
    virtual void operator()(const char* exp, const char* file, int line, bool& ignore) = 0;
};

PX_FOUNDATION_API PxAssertHandler& PxGetAssertHandler();
PX_FOUNDATION_API void PxSetAssertHandler(PxAssertHandler& handler);

#if !PX_DOXYGEN
} // namespace physx
#endif

#if !PX_ENABLE_ASSERTS
#define PX_ASSERT(exp) ((void)0)
#define PX_ALWAYS_ASSERT_MESSAGE(exp) ((void)0)
#define PX_ASSERT_WITH_MESSAGE(condition, message) ((void)0)
#else
#if PX_VC
#define PX_CODE_ANALYSIS_ASSUME(exp)                                                                                   \
    __analysis_assume(!!(exp)) // This macro will be used to get rid of analysis warning messages if a PX_ASSERT is used
// to "guard" illegal mem access, for example.
#else
#define PX_CODE_ANALYSIS_ASSUME(exp)
#endif
#define PX_ASSERT(exp)                                                                                                 \
    {                                                                                                                  \
        static bool _ignore = false;                                                                                   \
        ((void)((!!(exp)) || (!_ignore && (physx::PxGetAssertHandler()(#exp, __FILE__, __LINE__, _ignore), false))));  \
        PX_CODE_ANALYSIS_ASSUME(exp);                                                                                  \
    }
#define PX_ALWAYS_ASSERT_MESSAGE(exp)                                                                                  \
    {                                                                                                                  \
        static bool _ignore = false;                                                                                   \
        if(!_ignore)                                                                                                   \
            physx::PxGetAssertHandler()(exp, __FILE__, __LINE__, _ignore);                                             \
    }
#define PX_ASSERT_WITH_MESSAGE(exp, message)                                                                             \
    {                                                                                                                    \
        static bool _ignore = false;                                                                                     \
        ((void)((!!(exp)) || (!_ignore && (physx::PxGetAssertHandler()(message, __FILE__, __LINE__, _ignore), false)))); \
        PX_CODE_ANALYSIS_ASSUME(exp);                                                                                    \
    }
#endif

#define PX_ALWAYS_ASSERT() PX_ASSERT(0)

#endif // #ifndef PXFOUNDATION_PXASSERT_H

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