166 lines
6.9 KiB
Plaintext
166 lines
6.9 KiB
Plaintext
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#if !defined(BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES)
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#ifndef BOOST_PHOENIX_STATEMENT_DETAIL_SWITCH_HPP
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#define BOOST_PHOENIX_STATEMENT_DETAIL_SWITCH_HPP
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#include <boost/phoenix/support/iterate.hpp>
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#include <boost/phoenix/statement/detail/preprocessed/switch.hpp>
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#endif
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#else
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#if !BOOST_PHOENIX_IS_ITERATING
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#ifndef BOOST_PHOENIX_STATEMENT_DETAIL_SWITCH_HPP
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#define BOOST_PHOENIX_STATEMENT_DETAIL_SWITCH_HPP
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#include <boost/phoenix/support/iterate.hpp>
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#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
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#pragma wave option(preserve: 2, line: 0, output: "preprocessed/switch_" BOOST_PHOENIX_LIMIT_STR ".hpp")
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#endif
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/*==============================================================================
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Copyright (c) 2005-2010 Joel de Guzman
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Copyright (c) 2010 Thomas Heller
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
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#pragma wave option(preserve: 1)
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#endif
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#define BOOST_PHOENIX_SWITCH_EVAL_TYPEDEF_R(Z, N, DATA) \
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typedef \
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typename fusion::result_of::deref< \
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typename fusion::result_of::advance_c< \
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flat_view_begin \
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, N \
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>::type \
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>::type \
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BOOST_PP_CAT(case, N); \
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typedef \
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typename proto::detail::uncvref< \
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typename proto::result_of::value< \
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typename proto::result_of::child_c< \
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BOOST_PP_CAT(case, N) \
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, 0 \
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>::type \
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>::type \
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>::type \
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BOOST_PP_CAT(case_label, N); \
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/**/
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#define BOOST_PHOENIX_SWITCH_EVAL_R(Z, N, DATA) \
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case BOOST_PP_CAT(case_label, N)::value : \
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boost::phoenix::eval( \
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proto::child_c<1>( \
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fusion::deref( \
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fusion::advance_c<N>(fusion::begin(flat_view)) \
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) \
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) \
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, ctx \
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); \
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break; \
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/**/
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#define BOOST_PHOENIX_ITERATION_PARAMS \
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(3, (2, BOOST_PHOENIX_LIMIT, \
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<boost/phoenix/statement/detail/switch.hpp>))
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#include BOOST_PHOENIX_ITERATE()
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#undef BOOST_PHOENIX_SWITCH_EVAL_R
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#undef BOOST_PHOENIX_SWITCH_EVAL_TYPEDEF
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#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
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#pragma wave option(output: null)
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#endif
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#endif
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#else
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template <typename Context, typename Cond, typename Cases>
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result_type
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evaluate(
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Context const & ctx
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, Cond const & cond
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, Cases const & cases
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, mpl::int_<BOOST_PHOENIX_ITERATION>
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, mpl::false_
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) const
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{
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typedef
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typename proto::result_of::flatten<Cases const&>::type
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flat_view_type;
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typedef
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typename fusion::result_of::begin<flat_view_type>::type
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flat_view_begin;
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flat_view_type flat_view(proto::flatten(cases));
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BOOST_PP_REPEAT(
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BOOST_PHOENIX_ITERATION
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, BOOST_PHOENIX_SWITCH_EVAL_TYPEDEF_R
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, BOOST_PHOENIX_ITERATION
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)
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switch(boost::phoenix::eval(cond, ctx))
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{
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BOOST_PP_REPEAT(BOOST_PHOENIX_ITERATION, BOOST_PHOENIX_SWITCH_EVAL_R, _)
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}
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}
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template <typename Context, typename Cond, typename Cases>
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result_type
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evaluate(
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Context const & ctx
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, Cond const & cond
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, Cases const & cases
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, mpl::int_<BOOST_PHOENIX_ITERATION>
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, mpl::true_
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) const
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{
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typedef
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typename proto::result_of::flatten<Cases const&>::type
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flat_view_type;
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typedef
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typename fusion::result_of::begin<flat_view_type>::type
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flat_view_begin;
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flat_view_type flat_view(proto::flatten(cases));
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BOOST_PP_REPEAT(
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BOOST_PP_DEC(BOOST_PHOENIX_ITERATION)
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, BOOST_PHOENIX_SWITCH_EVAL_TYPEDEF_R
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, BOOST_PHOENIX_ITERATION
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)
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switch(boost::phoenix::eval(cond, ctx))
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{
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BOOST_PP_REPEAT(
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BOOST_PP_DEC(BOOST_PHOENIX_ITERATION)
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, BOOST_PHOENIX_SWITCH_EVAL_R, _
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)
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default:
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boost::phoenix::eval(
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proto::child_c<0>(
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fusion::deref(
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fusion::advance_c<
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BOOST_PP_DEC(BOOST_PHOENIX_ITERATION)
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>(fusion::begin(flat_view))
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)
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)
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, ctx
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);
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}
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}
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#endif
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#endif // BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES
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