boost/typeof/vector.hpp
// Copyright (C) 2005 Arkadiy Vertleyb
// Copyright (C) 2005 Peder Holt
//
// Copyright (C) 2006 Tobias Schwinger
//
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_TYPEOF_VECTOR_HPP_INCLUDED
#include <boost/typeof/constant.hpp>
#include <boost/preprocessor/iteration/self.hpp>
#ifndef BOOST_TYPEOF_LIMIT_SIZE
# define BOOST_TYPEOF_LIMIT_SIZE 50
#endif
//
// To recreate the preprocessed versions of this file preprocess and run
//
// $(BOOST_ROOT)/libs/typeof/tools/preprocess.pl
//
#if defined(BOOST_TYPEOF_PP_INCLUDE_EXTERNAL)
# undef BOOST_TYPEOF_PP_INCLUDE_EXTERNAL
#elif !defined(BOOST_TYPEOF_PREPROCESSING_MODE) && !BOOST_PP_IS_SELFISH
# define BOOST_PP_INDIRECT_SELF <boost/typeof/vector.hpp>
# if BOOST_TYPEOF_LIMIT_SIZE < 50
# include BOOST_PP_INCLUDE_SELF()
# elif BOOST_TYPEOF_LIMIT_SIZE < 100
# include <boost/typeof/vector50.hpp>
# define BOOST_TYPEOF_PP_START_SIZE 51
# include BOOST_PP_INCLUDE_SELF()
# elif BOOST_TYPEOF_LIMIT_SIZE < 150
# include <boost/typeof/vector100.hpp>
# define BOOST_TYPEOF_PP_START_SIZE 101
# include BOOST_PP_INCLUDE_SELF()
# elif BOOST_TYPEOF_LIMIT_SIZE < 200
# include <boost/typeof/vector150.hpp>
# define BOOST_TYPEOF_PP_START_SIZE 151
# include BOOST_PP_INCLUDE_SELF()
# elif BOOST_TYPEOF_LIMIT_SIZE <= 250
# include <boost/typeof/vector200.hpp>
# define BOOST_TYPEOF_PP_START_SIZE 201
# include BOOST_PP_INCLUDE_SELF()
# else
# error "BOOST_TYPEOF_LIMIT_SIZE too high"
# endif
#else// defined(BOOST_TYPEOF_PREPROCESSING_MODE) || BOOST_PP_IS_SELFISH
# ifndef BOOST_TYPEOF_PP_NEXT_SIZE
# define BOOST_TYPEOF_PP_NEXT_SIZE BOOST_TYPEOF_LIMIT_SIZE
# endif
# ifndef BOOST_TYPEOF_PP_START_SIZE
# define BOOST_TYPEOF_PP_START_SIZE 0
# endif
# if BOOST_TYPEOF_PP_START_SIZE <= BOOST_TYPEOF_LIMIT_SIZE
# include <boost/preprocessor/enum_params.hpp>
# include <boost/preprocessor/repeat.hpp>
# include <boost/preprocessor/repeat_from_to.hpp>
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/inc.hpp>
# include <boost/preprocessor/dec.hpp>
# include <boost/preprocessor/comma_if.hpp>
# include <boost/preprocessor/iteration/local.hpp>
# include <boost/preprocessor/control/expr_iif.hpp>
# include <boost/preprocessor/logical/not.hpp>
// iterator
# define BOOST_TYPEOF_spec_iter(n)\
template<class V>\
struct v_iter<V, constant<int,n> >\
{\
typedef typename V::item ## n type;\
typedef v_iter<V, constant<int,n + 1> > next;\
};
namespace boost { namespace type_of {
template<class V, class Increase_BOOST_TYPEOF_LIMIT_SIZE> struct v_iter; // not defined
# define BOOST_PP_LOCAL_MACRO BOOST_TYPEOF_spec_iter
# define BOOST_PP_LOCAL_LIMITS \
(BOOST_PP_DEC(BOOST_TYPEOF_PP_START_SIZE), \
BOOST_PP_DEC(BOOST_TYPEOF_LIMIT_SIZE))
# include BOOST_PP_LOCAL_ITERATE()
}}
# undef BOOST_TYPEOF_spec_iter
// vector
# define BOOST_TYPEOF_typedef_item(z, n, _)\
typedef P ## n item ## n;
# define BOOST_TYPEOF_typedef_fake_item(z, n, _)\
typedef constant<int,1> item ## n;
# define BOOST_TYPEOF_define_vector(n)\
template<BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_EXPR_IIF(BOOST_PP_NOT(n), class T = void)>\
struct vector ## n\
{\
typedef v_iter<vector ## n<BOOST_PP_ENUM_PARAMS(n,P)>, boost::type_of::constant<int,0> > begin;\
BOOST_PP_REPEAT(n, BOOST_TYPEOF_typedef_item, ~)\
BOOST_PP_REPEAT_FROM_TO(n, BOOST_TYPEOF_PP_NEXT_SIZE, BOOST_TYPEOF_typedef_fake_item, ~)\
};
namespace boost { namespace type_of {
# define BOOST_PP_LOCAL_MACRO BOOST_TYPEOF_define_vector
# define BOOST_PP_LOCAL_LIMITS \
(BOOST_TYPEOF_PP_START_SIZE,BOOST_TYPEOF_LIMIT_SIZE)
# include BOOST_PP_LOCAL_ITERATE()
}}
# undef BOOST_TYPEOF_typedef_item
# undef BOOST_TYPEOF_typedef_fake_item
# undef BOOST_TYPEOF_define_vector
// push_back
# define BOOST_TYPEOF_spec_push_back(n)\
template<BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_COMMA_IF(n) class T>\
struct push_back<BOOST_PP_CAT(boost::type_of::vector, n)<BOOST_PP_ENUM_PARAMS(n, P)>, T>\
{\
typedef BOOST_PP_CAT(boost::type_of::vector, BOOST_PP_INC(n))<\
BOOST_PP_ENUM_PARAMS(n, P) BOOST_PP_COMMA_IF(n) T\
> type;\
};
namespace boost { namespace type_of {
# if BOOST_TYPEOF_LIMIT_SIZE < 50
template<class V, class T> struct push_back {
typedef V type;
};
# endif
//default behaviour is to let push_back ignore T, and return the input vector.
//This is to let BOOST_TYPEOF_NESTED_TYPEDEF work properly with the default vector.
# define BOOST_PP_LOCAL_MACRO BOOST_TYPEOF_spec_push_back
# define BOOST_PP_LOCAL_LIMITS \
(BOOST_PP_DEC(BOOST_TYPEOF_PP_START_SIZE), \
BOOST_PP_DEC(BOOST_TYPEOF_LIMIT_SIZE))
# include BOOST_PP_LOCAL_ITERATE()
}}
# undef BOOST_TYPEOF_spec_push_back
# endif//BOOST_TYPEOF_PP_START_SIZE<=BOOST_TYPEOF_LIMIT_SIZE
# undef BOOST_TYPEOF_PP_START_SIZE
# undef BOOST_TYPEOF_PP_NEXT_SIZE
#endif//BOOST_TYPEOF_PREPROCESSING_MODE || BOOST_PP_IS_SELFISH
#define BOOST_TYPEOF_VECTOR_HPP_INCLUDED
#endif//BOOST_TYPEOF_VECTOR_HPP_INCLUDED