2 #if !defined(BOOST_PP_IS_ITERATING)
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6 #ifndef BOOST_MPL_AUX_LAMBDA_NO_CTPS_HPP_INCLUDED
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7 #define BOOST_MPL_AUX_LAMBDA_NO_CTPS_HPP_INCLUDED
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9 // Copyright Aleksey Gurtovoy 2000-2004
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11 // Distributed under the Boost Software License, Version 1.0.
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12 // (See accompanying file LICENSE_1_0.txt or copy at
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13 // http://www.boost.org/LICENSE_1_0.txt)
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15 // See http://www.boost.org/libs/mpl for documentation.
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17 // $Id: lambda_no_ctps.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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18 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
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19 // $Revision: 49267 $
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21 #if !defined(BOOST_MPL_PREPROCESSING_MODE)
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22 # include <boost/mpl/lambda_fwd.hpp>
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23 # include <boost/mpl/bind_fwd.hpp>
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24 # include <boost/mpl/protect.hpp>
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25 # include <boost/mpl/is_placeholder.hpp>
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26 # include <boost/mpl/if.hpp>
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27 # include <boost/mpl/identity.hpp>
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28 # include <boost/mpl/bool.hpp>
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29 # include <boost/mpl/aux_/na_spec.hpp>
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30 # include <boost/mpl/aux_/lambda_support.hpp>
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31 # include <boost/mpl/aux_/template_arity.hpp>
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32 # include <boost/mpl/aux_/value_wknd.hpp>
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35 #include <boost/mpl/aux_/config/use_preprocessed.hpp>
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37 #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
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38 && !defined(BOOST_MPL_PREPROCESSING_MODE)
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40 # define BOOST_MPL_PREPROCESSED_HEADER lambda_no_ctps.hpp
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41 # include <boost/mpl/aux_/include_preprocessed.hpp>
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45 # include <boost/mpl/limits/arity.hpp>
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46 # include <boost/mpl/aux_/preprocessor/params.hpp>
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47 # include <boost/mpl/aux_/preprocessor/default_params.hpp>
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48 # include <boost/mpl/aux_/preprocessor/repeat.hpp>
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49 # include <boost/mpl/aux_/preprocessor/enum.hpp>
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50 # include <boost/mpl/aux_/config/msvc.hpp>
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51 # include <boost/mpl/aux_/config/workaround.hpp>
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53 # include <boost/preprocessor/comma_if.hpp>
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54 # include <boost/preprocessor/iterate.hpp>
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55 # include <boost/preprocessor/inc.hpp>
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56 # include <boost/preprocessor/cat.hpp>
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58 namespace boost { namespace mpl {
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60 # define AUX778076_LAMBDA_PARAMS(i_, param) \
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61 BOOST_MPL_PP_PARAMS(i_, param) \
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66 #define n_ BOOST_MPL_LIMIT_METAFUNCTION_ARITY
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68 BOOST_MPL_PP_DEFAULT_PARAMS(n_,bool C,false)
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76 struct lambda_or< BOOST_MPL_PP_ENUM(n_,false) >
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82 template< typename Arity > struct lambda_impl
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84 template< typename T, typename Tag, typename Protect > struct result_
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87 typedef is_placeholder<T> is_le;
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91 #define BOOST_PP_ITERATION_PARAMS_1 \
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92 (3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/aux_/lambda_no_ctps.hpp>))
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93 #include BOOST_PP_ITERATE()
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104 /// Metafunction forwarding confuses MSVC 6.x
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105 typedef typename aux::template_arity<T>::type arity_;
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106 typedef typename aux::lambda_impl<arity_>
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107 ::template result_< T,Tag,Protect > l_;
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109 typedef typename l_::type type;
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110 typedef typename l_::is_le is_le;
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112 BOOST_MPL_AUX_LAMBDA_SUPPORT(3, lambda, (T, Tag, Protect))
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115 BOOST_MPL_AUX_NA_SPEC2(1, 3, lambda)
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120 struct is_lambda_expression
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125 # undef AUX778076_LAMBDA_PARAMS
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129 #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
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130 #endif // BOOST_MPL_AUX_LAMBDA_NO_CTPS_HPP_INCLUDED
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132 ///// iteration, depth == 1
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136 #define i_ BOOST_PP_FRAME_ITERATION(1)
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138 # define AUX778076_LAMBDA_TYPEDEF(unused, i_, F) \
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140 typename F::BOOST_PP_CAT(arg,BOOST_PP_INC(i_)) \
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143 > BOOST_PP_CAT(l,BOOST_PP_INC(i_)); \
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146 # define AUX778076_IS_LE_TYPEDEF(unused, i_, unused2) \
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147 typedef typename BOOST_PP_CAT(l,BOOST_PP_INC(i_))::is_le \
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148 BOOST_PP_CAT(is_le,BOOST_PP_INC(i_)); \
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151 # define AUX778076_IS_LAMBDA_EXPR(unused, i_, unused2) \
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152 BOOST_PP_COMMA_IF(i_) \
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153 BOOST_MPL_AUX_MSVC_VALUE_WKND(BOOST_PP_CAT(is_le,BOOST_PP_INC(i_)))::value \
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156 # define AUX778076_LAMBDA_RESULT(unused, i_, unused2) \
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157 , typename BOOST_PP_CAT(l,BOOST_PP_INC(i_))::type \
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160 template<> struct lambda_impl< int_<i_> >
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162 template< typename F, typename Tag, typename Protect > struct result_
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164 BOOST_MPL_PP_REPEAT(i_, AUX778076_LAMBDA_TYPEDEF, F)
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165 BOOST_MPL_PP_REPEAT(i_, AUX778076_IS_LE_TYPEDEF, unused)
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167 typedef aux::lambda_or<
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168 BOOST_MPL_PP_REPEAT(i_, AUX778076_IS_LAMBDA_EXPR, unused)
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171 typedef BOOST_PP_CAT(bind,i_)<
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173 BOOST_MPL_PP_REPEAT(i_, AUX778076_LAMBDA_RESULT, unused)
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176 typedef typename if_<
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178 , if_< Protect, mpl::protect<bind_>, bind_ >
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182 typedef typename type_::type type;
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186 # undef AUX778076_LAMBDA_RESULT
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187 # undef AUX778076_IS_LAMBDA_EXPR
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188 # undef AUX778076_IS_LE_TYPEDEF
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189 # undef AUX778076_LAMBDA_TYPEDEF
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193 #endif // BOOST_PP_IS_ITERATING
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