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1 /*==============================================================================
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2 Copyright (c) 2001-2010 Joel de Guzman
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3 Copyright (c) 2010 Thomas Heller
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4
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5 Distributed under the Boost Software License, Version 1.0. (See accompanying
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6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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7 ==============================================================================*/
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8 #ifndef BOOST_PHOENIX_OPERATOR_IO_HPP
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9 #define BOOST_PHOENIX_OPERATOR_IO_HPP
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10
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11 #include <iosfwd>
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12
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13 #include <boost/phoenix/core/limits.hpp>
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14 #include <boost/fusion/sequence/intrinsic/at.hpp>
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15 #include <boost/phoenix/core/domain.hpp>
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16 #include <boost/proto/make_expr.hpp>
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17 #include <boost/proto/tags.hpp>
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18 #include <boost/proto/operators.hpp>
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19
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20 namespace boost { namespace phoenix
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21 {
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22 namespace detail
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23 {
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24 typedef std::ios_base& (*iomanip_type)(std::ios_base&);
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25 typedef std::istream& (*imanip_type)(std::istream&);
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26 typedef std::ostream& (*omanip_type)(std::ostream&);
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27 }
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28
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29 /////////////////////////////////////////////////////////////////////////////
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30 //
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31 // overloads for I/O manipulators.
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32 //
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33 /////////////////////////////////////////////////////////////////////////////
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34 template <typename Expr>
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35 inline
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36 typename proto::result_of::make_expr<
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37 proto::tag::shift_left
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38 , phoenix_domain
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39 , actor<Expr>
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40 , detail::iomanip_type
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41 >::type const
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42 operator<<(actor<Expr> const& a0, detail::iomanip_type a1)
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43 {
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44 return proto::make_expr<
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45 proto::tag::shift_left, phoenix_domain>(a0, a1);
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46 }
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47
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48 template <typename Expr>
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49 inline
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50 typename proto::result_of::make_expr<
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51 proto::tag::shift_left
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52 , phoenix_domain
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53 , actor<Expr>
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54 , detail::omanip_type
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55 >::type const
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56 operator<<(actor<Expr> const& a0, detail::omanip_type a1)
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57 {
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58 return proto::make_expr<
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59 proto::tag::shift_left, phoenix_domain>(a0, a1);
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60 }
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61
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62 template <typename Expr>
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63 inline
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64 typename proto::result_of::make_expr<
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65 proto::tag::shift_right
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66 , phoenix_domain
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67 , actor<Expr>
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68 , detail::iomanip_type
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69 >::type const
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70 operator>>(actor<Expr> const& a0, detail::iomanip_type a1)
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71 {
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72 return proto::make_expr<
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73 proto::tag::shift_right, phoenix_domain>(a0, a1);
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74 }
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75
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76 template <typename Expr>
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77 inline
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78 typename proto::result_of::make_expr<
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79 proto::tag::shift_right
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80 , phoenix_domain
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81 , actor<Expr>
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82 , detail::imanip_type
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83 >::type const
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84 operator>>(actor<Expr> const& a0, detail::imanip_type a1)
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85 {
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86 return proto::make_expr<
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87 proto::tag::shift_right, phoenix_domain>(a0, a1);
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88 }
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89
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90 using proto::exprns_::operator<<;
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91 using proto::exprns_::operator>>;
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92 }}
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93
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94 #endif
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