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1 #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
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2
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3 #include <boost/proto/detail/preprocessed/deep_copy.hpp>
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4
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5 #elif !defined(BOOST_PP_IS_ITERATING)
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6
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7 #define BOOST_PROTO_DEFINE_DEEP_COPY_TYPE(Z, N, DATA) \
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8 typename deep_copy_impl< \
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9 typename remove_reference< \
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10 typename Expr::BOOST_PP_CAT(proto_child, N) \
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11 >::type::proto_derived_expr \
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12 >::result_type \
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13 /**/
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14
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15 #define BOOST_PROTO_DEFINE_DEEP_COPY_FUN(Z, N, DATA) \
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16 proto::deep_copy(e.proto_base().BOOST_PP_CAT(child, N)) \
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17 /**/
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18
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19 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
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20 #pragma wave option(preserve: 2, line: 0, output: "preprocessed/deep_copy.hpp")
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21 #endif
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22
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23 ///////////////////////////////////////////////////////////////////////////////
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24 /// \file deep_copy.hpp
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25 /// Replace all nodes stored by reference by nodes stored by value.
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26 //
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27 // Copyright 2008 Eric Niebler. Distributed under the Boost
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28 // Software License, Version 1.0. (See accompanying file
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29 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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30
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31 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
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32 #pragma wave option(preserve: 1)
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33 #endif
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34
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35 #define BOOST_PP_ITERATION_PARAMS_1 \
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36 (3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/deep_copy.hpp>))
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37 #include BOOST_PP_ITERATE()
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38
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39 #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
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40 #pragma wave option(output: null)
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41 #endif
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42
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43 #undef BOOST_PROTO_DEFINE_DEEP_COPY_FUN
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44 #undef BOOST_PROTO_DEFINE_DEEP_COPY_TYPE
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45
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46 #else
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47
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48 #define N BOOST_PP_ITERATION()
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49
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50 template<typename Expr>
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51 struct deep_copy_impl<Expr, N>
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52 {
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53 typedef
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54 typename base_expr<
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55 typename Expr::proto_domain
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56 , typename Expr::proto_tag
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57 , BOOST_PP_CAT(list, N)<
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58 BOOST_PP_ENUM(N, BOOST_PROTO_DEFINE_DEEP_COPY_TYPE, ~)
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59 >
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60 >::type
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61 expr_type;
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62
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63 typedef typename Expr::proto_generator proto_generator;
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64 typedef typename proto_generator::template result<proto_generator(expr_type)>::type result_type;
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65
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66 template<typename Expr2, typename S, typename D>
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67 result_type operator()(Expr2 const &e, S const &, D const &) const
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68 {
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69 expr_type const that = {
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70 BOOST_PP_ENUM(N, BOOST_PROTO_DEFINE_DEEP_COPY_FUN, ~)
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71 };
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72
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73 return proto_generator()(that);
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74 }
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75 };
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76
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77 #undef N
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78
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79 #endif
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