You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
3.0 KiB
86 lines
3.0 KiB
#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
|
|
|
|
#include <boost/proto/detail/preprocessed/args.hpp>
|
|
|
|
#elif !defined(BOOST_PP_IS_ITERATING)
|
|
|
|
/// INTERNAL ONLY
|
|
///
|
|
#define BOOST_PROTO_DEFINE_CHILD_N(Z, N, DATA) \
|
|
typedef BOOST_PP_CAT(Arg, N) BOOST_PP_CAT(child, N); \
|
|
/**< INTERNAL ONLY */
|
|
|
|
/// INTERNAL ONLY
|
|
///
|
|
#define BOOST_PROTO_DEFINE_VOID_N(z, n, data) \
|
|
typedef mpl::void_ BOOST_PP_CAT(child, n); \
|
|
/**< INTERNAL ONLY */
|
|
|
|
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
|
|
#pragma wave option(preserve: 2, line: 0, output: "preprocessed/args.hpp")
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
/// \file args.hpp
|
|
/// Contains definition of \c term\<\>, \c list1\<\>, \c list2\<\>, ...
|
|
/// class templates.
|
|
//
|
|
// 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)
|
|
|
|
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
|
|
#pragma wave option(preserve: 1)
|
|
#endif
|
|
|
|
/// \brief A type sequence, for use as the 2nd parameter to the \c expr\<\> class template.
|
|
///
|
|
/// A type sequence, for use as the 2nd parameter to the \c expr\<\> class template.
|
|
/// The types in the sequence correspond to the children of a node in an expression tree.
|
|
template< typename Arg0 >
|
|
struct term
|
|
{
|
|
static const long arity = 0;
|
|
typedef Arg0 child0;
|
|
BOOST_PP_REPEAT_FROM_TO(1, BOOST_PROTO_MAX_ARITY, BOOST_PROTO_DEFINE_VOID_N, ~)
|
|
|
|
/// INTERNAL ONLY
|
|
///
|
|
typedef Arg0 back_;
|
|
};
|
|
|
|
#define BOOST_PP_ITERATION_PARAMS_1 \
|
|
(3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/args.hpp>))
|
|
#include BOOST_PP_ITERATE()
|
|
|
|
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
|
|
#pragma wave option(output: null)
|
|
#endif
|
|
|
|
#undef BOOST_PROTO_DEFINE_VOID_N
|
|
#undef BOOST_PROTO_DEFINE_CHILD_N
|
|
|
|
#else
|
|
|
|
#define N BOOST_PP_ITERATION()
|
|
|
|
/// \brief A type sequence, for use as the 2nd parameter to the \c expr\<\> class template.
|
|
///
|
|
/// A type sequence, for use as the 2nd parameter to the \c expr\<\> class template.
|
|
/// The types in the sequence correspond to the children of a node in an expression tree.
|
|
template< BOOST_PP_ENUM_PARAMS(N, typename Arg) >
|
|
struct BOOST_PP_CAT(list, N)
|
|
{
|
|
static const long arity = N;
|
|
BOOST_PP_REPEAT(N, BOOST_PROTO_DEFINE_CHILD_N, ~)
|
|
BOOST_PP_REPEAT_FROM_TO(N, BOOST_PROTO_MAX_ARITY, BOOST_PROTO_DEFINE_VOID_N, ~)
|
|
|
|
/// INTERNAL ONLY
|
|
///
|
|
typedef BOOST_PP_CAT(Arg, BOOST_PP_DEC(N)) back_;
|
|
};
|
|
|
|
#undef N
|
|
|
|
#endif
|