1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*=============================================================================
Copyright (c) 2011 Thomas Heller
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 !BOOST_PHOENIX_IS_ITERATING
#ifndef BOOST_PHOENIX_CORE_DETAIL_PHX2_RESULT_HPP
#define BOOST_PHOENIX_CORE_DETAIL_PHX2_RESULT_HPP
#include <boost/phoenix/core/limits.hpp>
#include <boost/phoenix/support/iterate.hpp>
#include <boost/mpl/has_xxx.hpp>
namespace boost { namespace phoenix {
namespace detail
{
BOOST_MPL_HAS_XXX_TRAIT_DEF(result_type)
template <typename Result>
struct has_phx2_result_impl
{
typedef char yes;
typedef char (&no)[2];
template <typename A>
static yes check(typename A::type *);
template <typename A>
static no check(...);
static bool const value = (sizeof(yes) == sizeof(check<Result>(0)));
typedef boost::mpl::bool_<value> type;
};
template <typename F, BOOST_PHOENIX_typename_A_void(BOOST_PP_DEC(BOOST_PHOENIX_COMPOSITE_LIMIT)), typename Dummy = void>
struct has_phx2_result
: mpl::false_
{};
template <typename F, BOOST_PHOENIX_typename_A_void(BOOST_PP_DEC(BOOST_PHOENIX_COMPOSITE_LIMIT)), typename Dummy = void>
struct phx2_result;
#if !defined(BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES)
#include <boost/phoenix/core/detail/preprocessed/phx2_result.hpp>
#else
#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
#pragma wave option(preserve: 2, line: 0, output: "preprocessed/phx2_result_" BOOST_PHOENIX_LIMIT_STR ".hpp")
#endif
/*=============================================================================
Copyright (c) 2011 Thomas Heller
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_PHOENIX_CREATE_PREPROCESSED_FILES)
#pragma wave option(preserve: 1)
#endif
#define BOOST_PHOENIX_ITERATION_PARAMS \
(3, (1, BOOST_PP_DEC(BOOST_PHOENIX_COMPOSITE_LIMIT), \
<boost/phoenix/core/detail/phx2_result.hpp>))
#include BOOST_PHOENIX_ITERATE()
#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
#pragma wave option(output: null)
#endif
#endif
}
}}
#endif
#else
template <typename F, BOOST_PHOENIX_typename_A>
struct has_phx2_result<F, BOOST_PHOENIX_A>
: mpl::eval_if<
has_result_type<F>
, mpl::false_
, has_phx2_result_impl<typename F::template result<F(BOOST_PHOENIX_A)> >
>::type
{};
template <typename F, BOOST_PHOENIX_typename_A>
struct phx2_result<F, BOOST_PHOENIX_A>
{
typedef typename F::template result<BOOST_PHOENIX_A>::type type;
};
template <typename F, BOOST_PHOENIX_typename_A>
struct phx2_result<F, BOOST_PHOENIX_A_ref>
{
typedef typename F::template result<BOOST_PHOENIX_A>::type type;
};
template <typename F, BOOST_PHOENIX_typename_A>
struct phx2_result<F, BOOST_PHOENIX_A_const_ref>
{
typedef typename F::template result<BOOST_PHOENIX_A>::type type;
};
#endif
|