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#ifndef __ACCESSOR_H

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#define __ACCESSOR_H

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// variable declaration macros

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#define __DECLARE_VAR(type, name)\

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	__IEC_##type##_t name;

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#define __DECLARE_GLOBAL(type, resource, name)\

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	__IEC_##type##_t resource##__##name;\

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	static __IEC_##type##_t *GLOBAL__##name = &resource##__##name;\

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	void __SET_GLOBAL_##name(type value) {\

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		if (!((*GLOBAL__##name).flags & __IEC_FORCE_FLAG))\

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			(*GLOBAL__##name).value = value;\

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	}

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#define __DECLARE_GLOBAL_LOCATION(type, location)\

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	extern type *location;

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#define __DECLARE_GLOBAL_LOCATED(type, resource, name)\

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	__IEC_##type##_p resource##__##name;\

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	static __IEC_##type##_p *GLOBAL__##name;

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#define __DECLARE_EXTERNAL(type, name)\

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	__IEC_##type##_p name;

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#define __DECLARE_LOCATED(type, name)\

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	__IEC_##type##_p name;

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// variable initialization macros

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#define __INIT_RETAIN(name, retained)\

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    name.flags |= retained?__IEC_RETAIN_FLAG:0;

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#define __INIT_VAR(name, initial, retained)\

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	name.value = initial;\

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	__INIT_RETAIN(name, retained)

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#define __INIT_GLOBAL(name, initial, retained)\

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	(*GLOBAL__##name).value = initial;\

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	__INIT_RETAIN((*GLOBAL__##name), retained)

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#define __INIT_GLOBAL_LOCATED(resource, name, location, retained)\

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	resource##__##name.value = location;\

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	__INIT_RETAIN(resource##__##name, retained)

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#define __INIT_EXTERNAL(type, global, name, retained)\

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	{extern __IEC_##type##_t *GLOBAL__##global;\

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	 name.value = &((*GLOBAL__##global).value);\

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     __INIT_RETAIN(name, retained)}

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#define __INIT_LOCATED(type, location, name, retained)\

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	{extern type *location;\

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	 name.value = location;\

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	 __INIT_RETAIN(name, retained)}

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#define __INIT_LOCATED_VALUE(name, initial)\

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	*(name.value) = initial;

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// variable getting macros

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#define __GET_VAR(name, ...)\

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	name.value __VA_ARGS__

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#define __GET_EXTERNAL(name, ...)\

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	(name.flags & __IEC_FORCE_FLAG) ? name.fvalue __VA_ARGS__ : *(name.value) __VA_ARGS__

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#define __GET_LOCATED(name, ...)\

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	(name.flags & __IEC_FORCE_FLAG) ? name.fvalue __VA_ARGS__ : *(name.value) __VA_ARGS__

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#define __GET_VAR_BY_REF(name)\

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	&(name)

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#define __GET_EXTERNAL_BY_REF(name)\

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	name.value

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#define __GET_LOCATED_BY_REF(name)\

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	name.value

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// variable setting macros

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#define __SET_VAR(name, new_value, ...)\

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	if (!(name.flags & __IEC_FORCE_FLAG)) name.value __VA_ARGS__ = new_value

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#define __SET_EXTERNAL(global, name, new_value)\

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	if (!(name.flags & __IEC_FORCE_FLAG))\

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		__SET_GLOBAL_##global(new_value)

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#define __SET_COMPLEX_EXTERNAL(name, new_value, ...)\

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	*(name.value) __VA_ARGS__ = new_value

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#define __SET_LOCATED(name, new_value, ...)\

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	if (!(name.flags & __IEC_FORCE_FLAG)) *(name.value) __VA_ARGS__ = new_value

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#endif //__ACCESSOR_H