OSGConceptPropertyChecks.h

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#ifndef _OSGCONCEPTPROPERTYCHECKS_H_
#define _OSGCONECPTPROPERTYCHECKS_H_
#ifdef __sgi
#pragma once
#endif

#include <OSGBaseTypes.h>

OSG_BEGIN_NAMESPACE

template <class TypeT>
void osgSinkUnusedWarning(TypeT) { }

#define OSG_PROPERTY_DECL(OSGPROP)                              \
    enum OSG##OSGPROP##Prop { osg##OSGPROP##Prop }

#define OSG_PROPERTY_SPEC(OSGPROPERTYNAMESPACE, OSGPROP)        \
template<class T1>                                              \
struct _OSG_##OSGPROP##_Property_Spec                           \
{                                                               \
    static void _OSG_##OSGPROP##_Property_violation(T1 t1)      \
    {                                                           \
        OSGPROPERTYNAMESPACE::                                  \
           __OSG_##OSGPROP##_Property_violation(t1);            \
    }                                                           \
}

#define OSG_PROPERTY_VIOLATION(OSGPROP)                                  \
template<class T1>                                                       \
static void __OSG_##OSGPROP##_Property_violation(T1)                     \
{                                                                        \
    while(0)                                                             \
    {                                                                    \
        typename T1::OSG##OSGPROP##Prop v1 = T1::osg##OSGPROP##Prop;     \
                                                                         \
        osgSinkUnusedWarning(v1);                                        \
    }                                                                    \
}

#ifdef OSG_NO_CONCEPT_CHECKS
#define OSG_PROPERTY_REQUIREMENT(OSGCLASS, OSGPROP)
#else

#define OSG_PROPERTY_REQUIREMENT(OSGCLASS, OSGPROP)                      \
typedef void (* _OSG##OSGPROP##PropReqDummyFuncFor##OSGCLASS)(OSGCLASS); \
                                                                         \
template<_OSG##OSGPROP##PropReqDummyFuncFor##OSGCLASS FuncTypeT>         \
struct _OSG##OSGPROP##PropReqDummyStructFor##OSGCLASS                    \
{                                                                        \
};                                                                       \
                                                                         \
static _OSG##OSGPROP##PropReqDummyStructFor##OSGCLASS<                   \
    _OSG_##OSGPROP##_Property_Spec<OSGCLASS>::                           \
        _OSG_##OSGPROP##_Property_violation>                             \
            _OSG##OSGPROP##PropReqDummyStructInstFor##OSGCLASS
#endif

OSG_END_NAMESPACE

#endif /* _OSGCONCEPTPROPERTYCHECKS_H_ */

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