| /////////////////////////////////////////////////////////////////////////////// |
| /// \file proto_fwd.hpp |
| /// Forward declarations of all of proto's public types and functions. |
| // |
| // Copyright 2008 Eric Niebler. 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) |
| |
| #ifndef BOOST_PROTO_FWD_HPP_EAN_04_01_2005 |
| #define BOOST_PROTO_FWD_HPP_EAN_04_01_2005 |
| |
| #include <cstddef> |
| #include <climits> |
| #include <boost/config.hpp> |
| #include <boost/detail/workaround.hpp> |
| #include <boost/preprocessor/cat.hpp> |
| #include <boost/preprocessor/arithmetic/inc.hpp> |
| #include <boost/preprocessor/punctuation/comma.hpp> |
| #include <boost/preprocessor/repetition/enum_params.hpp> |
| #include <boost/preprocessor/repetition/enum_params_with_a_default.hpp> |
| #include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp> |
| #include <boost/preprocessor/repetition/repeat_from_to.hpp> |
| #include <boost/ref.hpp> |
| #include <boost/mpl/long.hpp> |
| #include <boost/type_traits/remove_const.hpp> |
| #include <boost/type_traits/remove_reference.hpp> |
| |
| #ifndef BOOST_PROTO_MAX_ARITY |
| # define BOOST_PROTO_MAX_ARITY 5 |
| #endif |
| |
| #ifndef BOOST_PROTO_MAX_LOGICAL_ARITY |
| # define BOOST_PROTO_MAX_LOGICAL_ARITY 8 |
| #endif |
| |
| #ifndef BOOST_PROTO_MAX_FUNCTION_CALL_ARITY |
| # define BOOST_PROTO_MAX_FUNCTION_CALL_ARITY BOOST_PROTO_MAX_ARITY |
| #endif |
| |
| #if BOOST_PROTO_MAX_ARITY < 3 |
| # error BOOST_PROTO_MAX_ARITY must be at least 3 |
| #endif |
| |
| #if BOOST_PROTO_MAX_FUNCTION_CALL_ARITY > BOOST_PROTO_MAX_ARITY |
| # error BOOST_PROTO_MAX_FUNCTION_CALL_ARITY cannot be larger than BOOST_PROTO_MAX_ARITY |
| #endif |
| |
| #ifndef BOOST_PROTO_BROKEN_CONST_OVERLOADS |
| # if BOOST_WORKAROUND(__GNUC__, == 3) \ |
| || BOOST_WORKAROUND(__EDG_VERSION__, BOOST_TESTED_AT(310)) |
| # define BOOST_PROTO_BROKEN_CONST_OVERLOADS |
| # endif |
| #endif |
| |
| #ifndef BOOST_PROTO_BROKEN_CONST_QUALIFIED_FUNCTIONS |
| # if BOOST_WORKAROUND(__GNUC__, == 3) \ |
| || BOOST_WORKAROUND(__EDG_VERSION__, BOOST_TESTED_AT(310)) |
| # define BOOST_PROTO_BROKEN_CONST_QUALIFIED_FUNCTIONS |
| # endif |
| #endif |
| |
| #ifdef BOOST_PROTO_BROKEN_CONST_OVERLOADS |
| # include <boost/utility/enable_if.hpp> |
| # include <boost/type_traits/is_const.hpp> |
| # define BOOST_PROTO_DISABLE_IF_IS_CONST(T)\ |
| , typename boost::disable_if_c<boost::is_const<T>::value, boost::proto::detail::undefined>::type * = 0 |
| #else |
| # define BOOST_PROTO_DISABLE_IF_IS_CONST(T) |
| #endif |
| |
| #ifdef BOOST_PROTO_BROKEN_CONST_QUALIFIED_FUNCTIONS |
| # include <boost/utility/enable_if.hpp> |
| # include <boost/type_traits/is_function.hpp> |
| # define BOOST_PROTO_DISABLE_IF_IS_FUNCTION(T)\ |
| , typename boost::disable_if_c<boost::is_function<T>::value, boost::proto::detail::undefined>::type * = 0 |
| #else |
| # define BOOST_PROTO_DISABLE_IF_IS_FUNCTION(T) |
| #endif |
| |
| #ifndef BOOST_PROTO_BROKEN_PTS |
| # if BOOST_WORKAROUND(BOOST_MSVC, <= 1400) |
| # define BOOST_PROTO_BROKEN_PTS |
| # endif |
| #endif |
| |
| namespace boost { namespace proto |
| { |
| namespace detail |
| { |
| typedef char yes_type; |
| typedef char (&no_type)[2]; |
| |
| struct dont_care; |
| struct undefined; // leave this undefined |
| struct not_a_valid_type; |
| |
| struct private_type_ |
| { |
| private_type_ operator ,(int) const; |
| }; |
| |
| template<typename T> |
| struct uncvref |
| { |
| typedef T type; |
| }; |
| |
| template<typename T> |
| struct uncvref<T const> |
| { |
| typedef T type; |
| }; |
| |
| template<typename T> |
| struct uncvref<T &> |
| { |
| typedef T type; |
| }; |
| |
| template<typename T> |
| struct uncvref<T const &> |
| { |
| typedef T type; |
| }; |
| |
| template<typename T, std::size_t N> |
| struct uncvref<T const[N]> |
| { |
| typedef T type[N]; |
| }; |
| |
| template<typename T, std::size_t N> |
| struct uncvref<T (&)[N]> |
| { |
| typedef T type[N]; |
| }; |
| |
| template<typename T, std::size_t N> |
| struct uncvref<T const (&)[N]> |
| { |
| typedef T type[N]; |
| }; |
| |
| struct ignore |
| { |
| ignore() |
| {} |
| |
| template<typename T> |
| ignore(T const &) |
| {} |
| }; |
| |
| /// INTERNAL ONLY |
| /// |
| #define BOOST_PROTO_UNCVREF(X) \ |
| typename boost::proto::detail::uncvref<X>::type \ |
| /**/ |
| |
| struct _default; |
| |
| struct not_a_domain; |
| struct not_a_grammar; |
| struct not_a_generator; |
| } |
| |
| typedef detail::ignore const ignore; |
| |
| namespace argsns_ |
| { |
| template<typename Arg0> |
| struct term; |
| |
| #define M0(Z, N, DATA) \ |
| template<BOOST_PP_ENUM_PARAMS_Z(Z, N, typename Arg)> struct BOOST_PP_CAT(list, N); \ |
| /**/ |
| BOOST_PP_REPEAT_FROM_TO(1, BOOST_PP_INC(BOOST_PROTO_MAX_ARITY), M0, ~) |
| #undef M0 |
| } |
| |
| using namespace argsns_; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Operator tags |
| namespace tag |
| { |
| struct terminal; |
| struct unary_plus; |
| struct negate; |
| struct dereference; |
| struct complement; |
| struct address_of; |
| struct logical_not; |
| struct pre_inc; |
| struct pre_dec; |
| struct post_inc; |
| struct post_dec; |
| |
| struct shift_left; |
| struct shift_right; |
| struct multiplies; |
| struct divides; |
| struct modulus; |
| struct plus; |
| struct minus; |
| struct less; |
| struct greater; |
| struct less_equal; |
| struct greater_equal; |
| struct equal_to; |
| struct not_equal_to; |
| struct logical_or; |
| struct logical_and; |
| struct bitwise_and; |
| struct bitwise_or; |
| struct bitwise_xor; |
| struct comma; |
| struct mem_ptr; |
| |
| struct assign; |
| struct shift_left_assign; |
| struct shift_right_assign; |
| struct multiplies_assign; |
| struct divides_assign; |
| struct modulus_assign; |
| struct plus_assign; |
| struct minus_assign; |
| struct bitwise_and_assign; |
| struct bitwise_or_assign; |
| struct bitwise_xor_assign; |
| struct subscript; |
| struct member; |
| struct if_else_; |
| struct function; |
| |
| // Fusion tags |
| struct proto_expr; |
| struct proto_expr_iterator; |
| struct proto_flat_view; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////// |
| struct _; |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////// |
| struct default_generator; |
| |
| template<template<typename> class Extends> |
| struct generator; |
| |
| template<template<typename> class Extends> |
| struct pod_generator; |
| |
| struct by_value_generator; |
| |
| template<typename First, typename Second> |
| struct compose_generators; |
| |
| template<typename Generator, typename Void = void> |
| struct wants_basic_expr; |
| |
| template<typename Generator> |
| struct use_basic_expr; |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////// |
| namespace domainns_ |
| { |
| typedef detail::not_a_domain no_super_domain; |
| |
| template< |
| typename Generator = default_generator |
| , typename Grammar = proto::_ |
| , typename Super = no_super_domain |
| > |
| struct domain; |
| |
| struct default_domain; |
| |
| struct deduce_domain; |
| |
| template<typename Domain, typename Tag, typename Args, bool WantsBasicExpr = wants_basic_expr<typename Domain::proto_generator>::value> |
| struct base_expr; |
| } |
| |
| using namespace domainns_; |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////// |
| namespace exprns_ |
| { |
| template<typename Tag, typename Args, long Arity = Args::arity> |
| struct basic_expr; |
| |
| template<typename Tag, typename Args, long Arity = Args::arity> |
| struct expr; |
| |
| template< |
| typename Expr |
| , typename Derived |
| , typename Domain = default_domain |
| , long Arity = Expr::proto_arity_c |
| > |
| struct extends; |
| |
| template<typename This, typename Fun, typename Domain> |
| struct virtual_member; |
| |
| struct is_proto_expr; |
| } |
| //////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| using exprns_::expr; |
| using exprns_::basic_expr; |
| using exprns_::extends; |
| using exprns_::is_proto_expr; |
| |
| template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PROTO_MAX_LOGICAL_ARITY, typename G, void)> |
| struct or_; |
| |
| template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PROTO_MAX_LOGICAL_ARITY, typename G, void)> |
| struct and_; |
| |
| template<typename Grammar> |
| struct not_; |
| |
| template<typename Condition, typename Then = _, typename Else = not_<_> > |
| struct if_; |
| |
| template<typename Cases> |
| struct switch_; |
| |
| template<typename T> |
| struct exact; |
| |
| template<typename T> |
| struct convertible_to; |
| |
| template<typename Grammar> |
| struct vararg; |
| |
| // Boost bug https://svn.boost.org/trac/boost/ticket/4602 |
| //int const N = INT_MAX; |
| int const N = (INT_MAX >> 10); |
| |
| namespace context |
| { |
| struct null_context; |
| |
| template<typename Expr, typename Context, long Arity = Expr::proto_arity_c> |
| struct null_eval; |
| |
| struct default_context; |
| |
| template<typename Expr, typename Context, typename Tag = typename Expr::proto_tag, long Arity = Expr::proto_arity_c> |
| struct default_eval; |
| |
| template<typename Derived, typename DefaultCtx = default_context> |
| struct callable_context; |
| |
| template<typename Expr, typename Context, long Arity = Expr::proto_arity_c> |
| struct callable_eval; |
| } |
| |
| using context::null_context; |
| using context::null_eval; |
| using context::default_context; |
| using context::default_eval; |
| using context::callable_context; |
| using context::callable_eval; |
| |
| namespace utility |
| { |
| template<typename T, typename Domain = default_domain> |
| struct literal; |
| } |
| |
| using utility::literal; |
| |
| namespace result_of |
| { |
| template<typename T, typename Domain = default_domain> |
| struct as_expr; |
| |
| template<typename T, typename Domain = default_domain> |
| struct as_child; |
| |
| template<typename Expr, typename N = mpl::long_<0> > |
| struct child; |
| |
| template<typename Expr, long N> |
| struct child_c; |
| |
| template<typename Expr> |
| struct left; |
| |
| template<typename Expr> |
| struct right; |
| |
| template<typename Expr> |
| struct deep_copy; |
| |
| template<typename Expr, typename Context> |
| struct eval; |
| |
| template< |
| typename Tag |
| , typename DomainOrA0 |
| BOOST_PP_ENUM_TRAILING_BINARY_PARAMS( |
| BOOST_PROTO_MAX_ARITY |
| , typename A |
| , = void BOOST_PP_INTERCEPT |
| ) |
| , typename Void = void |
| > |
| struct make_expr; |
| |
| template<typename Tag, typename DomainOrSequence, typename SequenceOrVoid = void, typename Void = void> |
| struct unpack_expr; |
| |
| } |
| |
| template<typename T, typename Void = void> |
| struct is_expr; |
| |
| template<typename T, typename Void = void> |
| struct is_domain; |
| |
| template<typename Expr> |
| struct tag_of; |
| |
| template<typename Expr> |
| struct arity_of; |
| |
| template<typename T, typename Void = void> |
| struct domain_of; |
| |
| template<typename Expr, typename Grammar> |
| struct matches; |
| |
| // Generic expression metafunctions and |
| // grammar elements |
| template<typename Tag, typename Arg> |
| struct unary_expr; |
| |
| template<typename Tag, typename Left, typename Right> |
| struct binary_expr; |
| |
| template<typename Tag, BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PROTO_MAX_ARITY, typename A, void)> |
| struct nary_expr; |
| |
| // Specific expression metafunctions and |
| // grammar elements, for convenience |
| template<typename T> struct terminal; |
| template<typename T> struct unary_plus; |
| template<typename T> struct negate; |
| template<typename T> struct dereference; |
| template<typename T> struct complement; |
| template<typename T> struct address_of; |
| template<typename T> struct logical_not; |
| template<typename T> struct pre_inc; |
| template<typename T> struct pre_dec; |
| template<typename T> struct post_inc; |
| template<typename T> struct post_dec; |
| |
| template<typename T, typename U> struct shift_left; |
| template<typename T, typename U> struct shift_right; |
| template<typename T, typename U> struct multiplies; |
| template<typename T, typename U> struct divides; |
| template<typename T, typename U> struct modulus; |
| template<typename T, typename U> struct plus; |
| template<typename T, typename U> struct minus; |
| template<typename T, typename U> struct less; |
| template<typename T, typename U> struct greater; |
| template<typename T, typename U> struct less_equal; |
| template<typename T, typename U> struct greater_equal; |
| template<typename T, typename U> struct equal_to; |
| template<typename T, typename U> struct not_equal_to; |
| template<typename T, typename U> struct logical_or; |
| template<typename T, typename U> struct logical_and; |
| template<typename T, typename U> struct bitwise_and; |
| template<typename T, typename U> struct bitwise_or; |
| template<typename T, typename U> struct bitwise_xor; |
| template<typename T, typename U> struct comma; |
| template<typename T, typename U> struct mem_ptr; |
| |
| template<typename T, typename U> struct assign; |
| template<typename T, typename U> struct shift_left_assign; |
| template<typename T, typename U> struct shift_right_assign; |
| template<typename T, typename U> struct multiplies_assign; |
| template<typename T, typename U> struct divides_assign; |
| template<typename T, typename U> struct modulus_assign; |
| template<typename T, typename U> struct plus_assign; |
| template<typename T, typename U> struct minus_assign; |
| template<typename T, typename U> struct bitwise_and_assign; |
| template<typename T, typename U> struct bitwise_or_assign; |
| template<typename T, typename U> struct bitwise_xor_assign; |
| template<typename T, typename U> struct subscript; |
| template<typename T, typename U> struct member; |
| template<typename T, typename U, typename V> struct if_else_; |
| |
| template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PROTO_MAX_ARITY, typename A, void)> |
| struct function; |
| |
| namespace functional |
| { |
| struct left; |
| struct right; |
| struct eval; |
| struct deep_copy; |
| |
| template<typename Domain = default_domain> |
| struct as_expr; |
| |
| template<typename Domain = default_domain> |
| struct as_child; |
| |
| template<typename N = mpl::long_<0> > |
| struct child; |
| |
| template<long N> |
| struct child_c; |
| |
| template<typename Tag, typename Domain = deduce_domain> |
| struct make_expr; |
| |
| template<typename Tag, typename Domain = deduce_domain> |
| struct unpack_expr; |
| |
| template<typename Tag, typename Domain = deduce_domain> |
| struct unfused_expr_fun; |
| |
| template<typename Tag, typename Domain = deduce_domain> |
| struct unfused_expr; |
| |
| typedef make_expr<tag::terminal> make_terminal; |
| typedef make_expr<tag::unary_plus> make_unary_plus; |
| typedef make_expr<tag::negate> make_negate; |
| typedef make_expr<tag::dereference> make_dereference; |
| typedef make_expr<tag::complement> make_complement; |
| typedef make_expr<tag::address_of> make_address_of; |
| typedef make_expr<tag::logical_not> make_logical_not; |
| typedef make_expr<tag::pre_inc> make_pre_inc; |
| typedef make_expr<tag::pre_dec> make_pre_dec; |
| typedef make_expr<tag::post_inc> make_post_inc; |
| typedef make_expr<tag::post_dec> make_post_dec; |
| typedef make_expr<tag::shift_left> make_shift_left; |
| typedef make_expr<tag::shift_right> make_shift_right; |
| typedef make_expr<tag::multiplies> make_multiplies; |
| typedef make_expr<tag::divides> make_divides; |
| typedef make_expr<tag::modulus> make_modulus; |
| typedef make_expr<tag::plus> make_plus; |
| typedef make_expr<tag::minus> make_minus; |
| typedef make_expr<tag::less> make_less; |
| typedef make_expr<tag::greater> make_greater; |
| typedef make_expr<tag::less_equal> make_less_equal; |
| typedef make_expr<tag::greater_equal> make_greater_equal; |
| typedef make_expr<tag::equal_to> make_equal_to; |
| typedef make_expr<tag::not_equal_to> make_not_equal_to; |
| typedef make_expr<tag::logical_or> make_logical_or; |
| typedef make_expr<tag::logical_and> make_logical_and; |
| typedef make_expr<tag::bitwise_and> make_bitwise_and; |
| typedef make_expr<tag::bitwise_or> make_bitwise_or; |
| typedef make_expr<tag::bitwise_xor> make_bitwise_xor; |
| typedef make_expr<tag::comma> make_comma; |
| typedef make_expr<tag::mem_ptr> make_mem_ptr; |
| typedef make_expr<tag::assign> make_assign; |
| typedef make_expr<tag::shift_left_assign> make_shift_left_assign; |
| typedef make_expr<tag::shift_right_assign> make_shift_right_assign; |
| typedef make_expr<tag::multiplies_assign> make_multiplies_assign; |
| typedef make_expr<tag::divides_assign> make_divides_assign; |
| typedef make_expr<tag::modulus_assign> make_modulus_assign; |
| typedef make_expr<tag::plus_assign> make_plus_assign; |
| typedef make_expr<tag::minus_assign> make_minus_assign; |
| typedef make_expr<tag::bitwise_and_assign> make_bitwise_and_assign; |
| typedef make_expr<tag::bitwise_or_assign> make_bitwise_or_assign; |
| typedef make_expr<tag::bitwise_xor_assign> make_bitwise_xor_assign; |
| typedef make_expr<tag::subscript> make_subscript; |
| typedef make_expr<tag::if_else_> make_if_else; |
| typedef make_expr<tag::function> make_function; |
| |
| struct flatten; |
| struct pop_front; |
| struct reverse; |
| } |
| |
| typedef functional::flatten _flatten; |
| typedef functional::pop_front _pop_front; |
| typedef functional::reverse _reverse; |
| typedef functional::eval _eval; |
| struct _deep_copy; |
| |
| typedef functional::make_expr<tag::terminal> _make_terminal; |
| typedef functional::make_expr<tag::unary_plus> _make_unary_plus; |
| typedef functional::make_expr<tag::negate> _make_negate; |
| typedef functional::make_expr<tag::dereference> _make_dereference; |
| typedef functional::make_expr<tag::complement> _make_complement; |
| typedef functional::make_expr<tag::address_of> _make_address_of; |
| typedef functional::make_expr<tag::logical_not> _make_logical_not; |
| typedef functional::make_expr<tag::pre_inc> _make_pre_inc; |
| typedef functional::make_expr<tag::pre_dec> _make_pre_dec; |
| typedef functional::make_expr<tag::post_inc> _make_post_inc; |
| typedef functional::make_expr<tag::post_dec> _make_post_dec; |
| typedef functional::make_expr<tag::shift_left> _make_shift_left; |
| typedef functional::make_expr<tag::shift_right> _make_shift_right; |
| typedef functional::make_expr<tag::multiplies> _make_multiplies; |
| typedef functional::make_expr<tag::divides> _make_divides; |
| typedef functional::make_expr<tag::modulus> _make_modulus; |
| typedef functional::make_expr<tag::plus> _make_plus; |
| typedef functional::make_expr<tag::minus> _make_minus; |
| typedef functional::make_expr<tag::less> _make_less; |
| typedef functional::make_expr<tag::greater> _make_greater; |
| typedef functional::make_expr<tag::less_equal> _make_less_equal; |
| typedef functional::make_expr<tag::greater_equal> _make_greater_equal; |
| typedef functional::make_expr<tag::equal_to> _make_equal_to; |
| typedef functional::make_expr<tag::not_equal_to> _make_not_equal_to; |
| typedef functional::make_expr<tag::logical_or> _make_logical_or; |
| typedef functional::make_expr<tag::logical_and> _make_logical_and; |
| typedef functional::make_expr<tag::bitwise_and> _make_bitwise_and; |
| typedef functional::make_expr<tag::bitwise_or> _make_bitwise_or; |
| typedef functional::make_expr<tag::bitwise_xor> _make_bitwise_xor; |
| typedef functional::make_expr<tag::comma> _make_comma; |
| typedef functional::make_expr<tag::mem_ptr> _make_mem_ptr; |
| typedef functional::make_expr<tag::assign> _make_assign; |
| typedef functional::make_expr<tag::shift_left_assign> _make_shift_left_assign; |
| typedef functional::make_expr<tag::shift_right_assign> _make_shift_right_assign; |
| typedef functional::make_expr<tag::multiplies_assign> _make_multiplies_assign; |
| typedef functional::make_expr<tag::divides_assign> _make_divides_assign; |
| typedef functional::make_expr<tag::modulus_assign> _make_modulus_assign; |
| typedef functional::make_expr<tag::plus_assign> _make_plus_assign; |
| typedef functional::make_expr<tag::minus_assign> _make_minus_assign; |
| typedef functional::make_expr<tag::bitwise_and_assign> _make_bitwise_and_assign; |
| typedef functional::make_expr<tag::bitwise_or_assign> _make_bitwise_or_assign; |
| typedef functional::make_expr<tag::bitwise_xor_assign> _make_bitwise_xor_assign; |
| typedef functional::make_expr<tag::subscript> _make_subscript; |
| typedef functional::make_expr<tag::if_else_> _make_if_else; |
| typedef functional::make_expr<tag::function> _make_function; |
| |
| template<typename T> |
| struct is_callable; |
| |
| template<typename T, typename Void = void> |
| struct is_aggregate; |
| |
| template<typename T, typename Void = void> |
| struct is_transform; |
| |
| #define BOOST_PROTO_UNEXPR() typedef int proto_is_expr_; |
| #define BOOST_PROTO_CALLABLE() typedef void proto_is_callable_; |
| #define BOOST_PROTO_AGGREGATE() typedef void proto_is_aggregate_; |
| #define BOOST_PROTO_USE_BASIC_EXPR() typedef void proto_use_basic_expr_; |
| |
| struct callable |
| { |
| BOOST_PROTO_CALLABLE() |
| }; |
| |
| template<typename PrimitiveTransform, typename X = void> |
| struct transform; |
| |
| template<typename Grammar, typename Fun = Grammar> |
| struct when; |
| |
| template<typename Fun> |
| struct otherwise; |
| |
| template<typename Fun> |
| struct call; |
| |
| template<typename Fun> |
| struct make; |
| |
| template<typename PrimitiveTransform> |
| struct protect; |
| |
| template<typename T> |
| struct noinvoke; |
| |
| template<typename Fun> |
| struct lazy; |
| |
| template<typename Sequence, typename State, typename Fun> |
| struct fold; |
| |
| template<typename Sequence, typename State, typename Fun> |
| struct reverse_fold; |
| |
| // Q: can we replace fold_tree with fold<flatten(_), state, fun> ? |
| // A: once segmented Fusion works well. |
| template<typename Sequence, typename State, typename Fun> |
| struct fold_tree; |
| |
| template<typename Sequence, typename State, typename Fun> |
| struct reverse_fold_tree; |
| |
| template<typename Grammar> |
| struct pass_through; |
| |
| template<typename Grammar = detail::_default> |
| struct _default; |
| |
| struct _expr; |
| struct _state; |
| struct _data; |
| |
| struct _value; |
| |
| struct _void; |
| |
| template<int I> |
| struct _child_c; |
| |
| typedef _child_c<0> _child0; |
| typedef _child_c<1> _child1; |
| typedef _child0 _child; |
| typedef _child0 _left; |
| typedef _child1 _right; |
| |
| // _child2, _child3, _child4, ... |
| #define M0(Z, N, DATA) typedef _child_c<N> BOOST_PP_CAT(_child, N); |
| BOOST_PP_REPEAT_FROM_TO( |
| 2 |
| , BOOST_PP_DEC(BOOST_PROTO_MAX_ARITY) |
| , M0 |
| , ~ |
| ) |
| #undef M0 |
| |
| struct _byref; |
| struct _byval; |
| |
| template<typename T> |
| struct is_extension; |
| |
| //namespace exops |
| //{} |
| |
| namespace exops = exprns_; |
| |
| }} // namespace boost::proto |
| |
| #endif |