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- #if !defined(BOOST_PP_IS_ITERATING)
- ///// header body
- #ifndef BOOST_MPL_AUX_FULL_LAMBDA_HPP_INCLUDED
- #define BOOST_MPL_AUX_FULL_LAMBDA_HPP_INCLUDED
- // Copyright Aleksey Gurtovoy 2001-2004
- //
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //
- // See http://www.boost.org/libs/mpl for documentation.
- // $Id$
- // $Date$
- // $Revision$
- #if !defined(BOOST_MPL_PREPROCESSING_MODE)
- # include <boost/mpl/lambda_fwd.hpp>
- # include <boost/mpl/bind_fwd.hpp>
- # include <boost/mpl/protect.hpp>
- # include <boost/mpl/quote.hpp>
- # include <boost/mpl/arg.hpp>
- # include <boost/mpl/bool.hpp>
- # include <boost/mpl/int_fwd.hpp>
- # include <boost/mpl/aux_/template_arity.hpp>
- # include <boost/mpl/aux_/na_spec.hpp>
- # include <boost/mpl/aux_/config/ttp.hpp>
- # if defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING)
- # include <boost/mpl/if.hpp>
- # endif
- #endif
- #include <boost/mpl/aux_/lambda_arity_param.hpp>
- #include <boost/mpl/aux_/config/use_preprocessed.hpp>
- #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
- && !defined(BOOST_MPL_PREPROCESSING_MODE)
- # define BOOST_MPL_PREPROCESSED_HEADER full_lambda.hpp
- # include <boost/mpl/aux_/include_preprocessed.hpp>
- #else
- # include <boost/mpl/limits/arity.hpp>
- # include <boost/mpl/aux_/preprocessor/default_params.hpp>
- # include <boost/mpl/aux_/preprocessor/params.hpp>
- # include <boost/mpl/aux_/preprocessor/enum.hpp>
- # include <boost/mpl/aux_/preprocessor/repeat.hpp>
- # include <boost/mpl/aux_/config/dmc_ambiguous_ctps.hpp>
- # include <boost/preprocessor/iterate.hpp>
- # include <boost/preprocessor/comma_if.hpp>
- # include <boost/preprocessor/inc.hpp>
- # include <boost/preprocessor/cat.hpp>
- namespace boost { namespace mpl {
- // local macros, #undef-ined at the end of the header
- # define AUX778076_LAMBDA_PARAMS(i_, param) \
- BOOST_MPL_PP_PARAMS(i_, param) \
- /**/
- # define AUX778076_BIND_PARAMS(param) \
- BOOST_MPL_PP_PARAMS( \
- BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
- , param \
- ) \
- /**/
- # define AUX778076_BIND_N_PARAMS(i_, param) \
- BOOST_PP_COMMA_IF(i_) \
- BOOST_MPL_PP_PARAMS(i_, param) \
- /**/
- # define AUX778076_ARITY_PARAM(param) \
- BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(param) \
- /**/
- #define n_ BOOST_MPL_LIMIT_METAFUNCTION_ARITY
- namespace aux {
- template<
- BOOST_MPL_PP_DEFAULT_PARAMS(n_,bool C,false)
- >
- struct lambda_or
- : true_
- {
- };
- template<>
- struct lambda_or< BOOST_MPL_PP_ENUM(n_,false) >
- : false_
- {
- };
- } // namespace aux
- #undef n_
- template<
- typename T
- , typename Tag
- AUX778076_ARITY_PARAM(typename Arity)
- >
- struct lambda
- {
- typedef false_ is_le;
- typedef T result_;
- typedef T type;
- };
- template<
- typename T
- >
- struct is_lambda_expression
- : lambda<T>::is_le
- {
- };
- template< int N, typename Tag >
- struct lambda< arg<N>,Tag AUX778076_ARITY_PARAM(int_<-1>) >
- {
- typedef true_ is_le;
- typedef mpl::arg<N> result_; // qualified for the sake of MIPSpro 7.41
- typedef mpl::protect<result_> type;
- };
- #define BOOST_PP_ITERATION_PARAMS_1 \
- (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/aux_/full_lambda.hpp>))
- #include BOOST_PP_ITERATE()
- /// special case for 'protect'
- template< typename T, typename Tag >
- struct lambda< mpl::protect<T>,Tag AUX778076_ARITY_PARAM(int_<1>) >
- {
- typedef false_ is_le;
- typedef mpl::protect<T> result_;
- typedef result_ type;
- };
- /// specializations for the main 'bind' form
- template<
- typename F, AUX778076_BIND_PARAMS(typename T)
- , typename Tag
- >
- struct lambda<
- bind<F,AUX778076_BIND_PARAMS(T)>
- , Tag
- AUX778076_ARITY_PARAM(int_<BOOST_PP_INC(BOOST_MPL_LIMIT_METAFUNCTION_ARITY)>)
- >
- {
- typedef false_ is_le;
- typedef bind<F, AUX778076_BIND_PARAMS(T)> result_;
- typedef result_ type;
- };
- #if defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING)
- template<
- typename F
- , typename Tag1
- , typename Tag2
- , typename Arity
- >
- struct lambda<
- lambda<F,Tag1,Arity>
- , Tag2
- , int_<3>
- >
- {
- typedef lambda< F,Tag2 > l1;
- typedef lambda< Tag1,Tag2 > l2;
- typedef typename l1::is_le is_le;
- typedef bind1< quote1<aux::template_arity>, typename l1::result_ > arity_;
- typedef lambda< typename if_<is_le,arity_,Arity>::type,Tag2 > l3;
-
- typedef aux::le_result3<is_le, Tag2, mpl::lambda, l1, l2, l3> le_result_;
- typedef typename le_result_::result_ result_;
- typedef typename le_result_::type type;
- };
- #elif !defined(BOOST_MPL_CFG_DMC_AMBIGUOUS_CTPS)
- /// workaround for MWCW 8.3+/EDG < 303, leads to ambiguity on Digital Mars
- template<
- typename F, typename Tag1, typename Tag2
- >
- struct lambda<
- lambda< F,Tag1 >
- , Tag2
- >
- {
- typedef lambda< F,Tag2 > l1;
- typedef lambda< Tag1,Tag2 > l2;
-
- typedef typename l1::is_le is_le;
- typedef aux::le_result2<is_le, Tag2, mpl::lambda, l1, l2> le_result_;
- typedef typename le_result_::result_ result_;
- typedef typename le_result_::type type;
- };
- #endif
- # undef AUX778076_ARITY_PARAM
- # undef AUX778076_BIND_N_PARAMS
- # undef AUX778076_BIND_PARAMS
- # undef AUX778076_LAMBDA_PARAMS
- #if !defined(BOOST_MPL_CFG_EXTENDED_TEMPLATE_PARAMETERS_MATCHING)
- BOOST_MPL_AUX_NA_SPEC(2, lambda)
- #else
- BOOST_MPL_AUX_NA_SPEC2(2, 3, lambda)
- #endif
- }}
- #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
- #endif // BOOST_MPL_AUX_FULL_LAMBDA_HPP_INCLUDED
- ///// iteration, depth == 1
- // For gcc 4.4 compatability, we must include the
- // BOOST_PP_ITERATION_DEPTH test inside an #else clause.
- #else // BOOST_PP_IS_ITERATING
- #if BOOST_PP_ITERATION_DEPTH() == 1
- #define i_ BOOST_PP_FRAME_ITERATION(1)
- #if i_ > 0
- namespace aux {
- # define AUX778076_RESULT(unused, i_, T) \
- BOOST_PP_COMMA_IF(i_) \
- typename BOOST_PP_CAT(T, BOOST_PP_INC(i_))::result_ \
- /**/
- # define AUX778076_TYPE(unused, i_, T) \
- BOOST_PP_COMMA_IF(i_) \
- typename BOOST_PP_CAT(T, BOOST_PP_INC(i_))::type \
- /**/
- template<
- typename IsLE, typename Tag
- , template< AUX778076_LAMBDA_PARAMS(i_, typename P) > class F
- , AUX778076_LAMBDA_PARAMS(i_, typename L)
- >
- struct BOOST_PP_CAT(le_result,i_)
- {
- typedef F<
- BOOST_MPL_PP_REPEAT(i_, AUX778076_TYPE, L)
- > result_;
-
- typedef result_ type;
- };
- template<
- typename Tag
- , template< AUX778076_LAMBDA_PARAMS(i_, typename P) > class F
- , AUX778076_LAMBDA_PARAMS(i_, typename L)
- >
- struct BOOST_PP_CAT(le_result,i_)< true_,Tag,F,AUX778076_LAMBDA_PARAMS(i_, L) >
- {
- typedef BOOST_PP_CAT(bind,i_)<
- BOOST_PP_CAT(quote,i_)<F,Tag>
- , BOOST_MPL_PP_REPEAT(i_, AUX778076_RESULT, L)
- > result_;
- typedef mpl::protect<result_> type;
- };
- # undef AUX778076_TYPE
- # undef AUX778076_RESULT
- } // namespace aux
- # define AUX778076_LAMBDA_TYPEDEF(unused, i_, T) \
- typedef lambda< BOOST_PP_CAT(T, BOOST_PP_INC(i_)), Tag > \
- BOOST_PP_CAT(l,BOOST_PP_INC(i_)); \
- /**/
- # define AUX778076_IS_LE_TYPEDEF(unused, i_, unused2) \
- typedef typename BOOST_PP_CAT(l,BOOST_PP_INC(i_))::is_le \
- BOOST_PP_CAT(is_le,BOOST_PP_INC(i_)); \
- /**/
- # define AUX778076_IS_LAMBDA_EXPR(unused, i_, unused2) \
- BOOST_PP_COMMA_IF(i_) \
- BOOST_PP_CAT(is_le,BOOST_PP_INC(i_))::value \
- /**/
- template<
- template< AUX778076_LAMBDA_PARAMS(i_, typename P) > class F
- , AUX778076_LAMBDA_PARAMS(i_, typename T)
- , typename Tag
- >
- struct lambda<
- F<AUX778076_LAMBDA_PARAMS(i_, T)>
- , Tag
- AUX778076_ARITY_PARAM(int_<i_>)
- >
- {
- BOOST_MPL_PP_REPEAT(i_, AUX778076_LAMBDA_TYPEDEF, T)
- BOOST_MPL_PP_REPEAT(i_, AUX778076_IS_LE_TYPEDEF, unused)
- typedef typename aux::lambda_or<
- BOOST_MPL_PP_REPEAT(i_, AUX778076_IS_LAMBDA_EXPR, unused)
- >::type is_le;
- typedef aux::BOOST_PP_CAT(le_result,i_)<
- is_le, Tag, F, AUX778076_LAMBDA_PARAMS(i_, l)
- > le_result_;
-
- typedef typename le_result_::result_ result_;
- typedef typename le_result_::type type;
- };
- # undef AUX778076_IS_LAMBDA_EXPR
- # undef AUX778076_IS_LE_TYPEDEF
- # undef AUX778076_LAMBDA_TYPEDEF
- #endif // i_ > 0
- template<
- typename F AUX778076_BIND_N_PARAMS(i_, typename T)
- , typename Tag
- >
- struct lambda<
- BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_, T)>
- , Tag
- AUX778076_ARITY_PARAM(int_<BOOST_PP_INC(i_)>)
- >
- {
- typedef false_ is_le;
- typedef BOOST_PP_CAT(bind,i_)<
- F
- AUX778076_BIND_N_PARAMS(i_, T)
- > result_;
-
- typedef result_ type;
- };
- #undef i_
- #endif // BOOST_PP_ITERATION_DEPTH()
- #endif // BOOST_PP_IS_ITERATING
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