/* ************************************
 *                                    *
 *          arg_tuple_size.h          *
 *                                    *
 ************************************ */

// last modified:  April 17, 2002

#ifndef ARG_TUPLE_SIZE_H
#define ARG_TUPLE_SIZE_H

#include <cstddef>

#include "chaos.h"

#ifndef ARG_TUPLE_SIZE_LIMIT
#define ARG_TUPLE_SIZE_LIMIT 50
#endif

#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)

// map_integral

template<class T, T V> struct map_integral {
	static const T value = V;
};

template<class T, T V> const T map_integral<T, V>::value;

// arg_type_size
// no definition

template<class func_t> struct arg_type_size;

// arg_type_size (function pointers)

??=include ENABLE(linearize.h)

	#define MACRO(C) \
		template<class R INSERT_PUNC(C, COMMA) LIST_CLASS_T(C)> \
		struct arg_tuple_size<R (*)(LIST_T(C))> \
			: map_integral<std::size_t, C> { };

	#define LBOUND 0
	#define UBOUND ARG_TUPLE_SIZE_LIMIT

	#include MAKE()

??=include DISABLE(linearize.h)

// arg_type_size (member function pointers)

??=include ENABLE(lambda.h)
??=include ENABLE(linearize.h)

	#define MACRO(C) \
		template<class R, class obj INSERT_PUNC(C, COMMA) LIST_CLASS_T(C)> \
		struct arg_tuple_size<R (obj::*)(LIST_T(C)) UNARY_AUX(1)> \
			: map_integral<std::size_t, C> { };

	#define LBOUND 0
	#define UBOUND ARG_TUPLE_SIZE_LIMIT

	#define ALPHA NIL
	#include MAKE()

	#if !defined(__MWERKS__) || __MWERKS__ > 0x2407

		#define ALPHA LAMBDA(const)
		#include MAKE()

		#define ALPHA LAMBDA(volatile)
		#include MAKE()

		#define ALPHA LAMBDA(const volatile)
		#include MAKE()

	#endif

??=include DISABLE(linearize.h)
??=include DISABLE(lambda.h)

#else // no partial spec.

// arg_tuple_size_helper (function pointers)

??=include ENABLE(linearize.h)

	#define MACRO(C) \
		template<class R INSERT_PUNC(C, COMMA) LIST_CLASS_T(C)> \
		char_array<C - 1> arg_tuple_size_helper(R (*)(LIST_T(C)));

	#define LBOUND 0
	#define UBOUND ARG_TUPLE_SIZE_LIMIT

	#include MAKE()

??=include DISABLE(linearize.h)

// arg_tuple_size_helper (member function pointers)

??=include ENABLE(lambda.h)
??=include ENABLE(linearize.h)

	#define MACRO(C) \
		template<class R, class obj INSERT_PUNC(C, COMMA) LIST_CLASS_T(C)> \
		char_array<C - 1> arg_tuple_size_helper(R (obj::*)(LIST_T(C)) UNARY_AUX(C));

	#define LBOUND 0
	#define UBOUND ARG_TUPLE_SIZE_LIMIT

	#define ALPHA NIL
	#include MAKE()

	#define ALPHA LAMBDA(const)
	#include MAKE()

	#define ALPHA LAMBDA(volatile)
	#include MAKE()

	#define ALPHA LAMBDA(const volatile)
	#include MAKE()

??=include DISABLE(linearize.h)
??=include DISABLE(lambda.h)

#endif

#endif