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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Copyright (c) 2001-2011 Hartmut Kaiser
http://spirit.sourceforge.net/
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(BOOST_SPIRIT_WRAP_ACTION_APR_19_2008_0103PM)
#define BOOST_SPIRIT_WRAP_ACTION_APR_19_2008_0103PM
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_bind.hpp>
#include <boost/spirit/include/phoenix_scope.hpp>
#include <boost/spirit/home/support/attributes.hpp>
#include <boost/spirit/home/lex/lexer/pass_flags.hpp>
///////////////////////////////////////////////////////////////////////////////
namespace boost { namespace spirit { namespace lex { namespace lexertl
{
namespace detail
{
template <typename FunctionType, typename Iterator, typename Context
, typename IdType>
struct wrap_action
{
// plain functions with 5 arguments, function objects (including
// phoenix actors) are not touched at all
template <typename F>
static FunctionType call(F const& f)
{
return f;
}
// semantic actions with 4 arguments
template <typename F>
static void arg4_action(F* f, Iterator& start, Iterator& end
, BOOST_SCOPED_ENUM(pass_flags)& pass, IdType& id
, Context const&)
{
f(start, end, pass, id);
}
template <typename A0, typename A1, typename A2, typename A3>
static FunctionType call(void (*f)(A0, A1, A2, A3))
{
void (*pf)(void(*)(A0, A1, A2, A3)
, Iterator&, Iterator&, BOOST_SCOPED_ENUM(pass_flags)&
, IdType&, Context const&) = &wrap_action::arg4_action;
using phoenix::arg_names::_1;
using phoenix::arg_names::_2;
using phoenix::arg_names::_3;
using phoenix::arg_names::_4;
using phoenix::arg_names::_5;
return phoenix::bind(pf, f, _1, _2, _3, _4, _5);
}
// semantic actions with 3 arguments
template <typename F>
static void arg3_action(F* f, Iterator& start, Iterator& end
, BOOST_SCOPED_ENUM(pass_flags)& pass, IdType
, Context const&)
{
f(start, end, pass);
}
template <typename A0, typename A1, typename A2>
static FunctionType call(void (*f)(A0, A1, A2))
{
void (*pf)(void(*)(A0, A1, A2), Iterator&, Iterator&
, BOOST_SCOPED_ENUM(pass_flags)&, IdType
, Context const&) = &wrap_action::arg3_action;
using phoenix::arg_names::_1;
using phoenix::arg_names::_2;
using phoenix::arg_names::_3;
using phoenix::arg_names::_4;
using phoenix::arg_names::_5;
return phoenix::bind(pf, f, _1, _2, _3, _4, _5);
}
// semantic actions with 2 arguments
template <typename F>
static void arg2_action(F* f, Iterator& start, Iterator& end
, BOOST_SCOPED_ENUM(pass_flags)&, IdType, Context const&)
{
f (start, end);
}
template <typename A0, typename A1>
static FunctionType call(void (*f)(A0, A1))
{
void (*pf)(void(*)(A0, A1), Iterator&, Iterator&
, BOOST_SCOPED_ENUM(pass_flags)&
, IdType, Context const&) = &wrap_action::arg2_action;
using phoenix::arg_names::_1;
using phoenix::arg_names::_2;
using phoenix::arg_names::_3;
using phoenix::arg_names::_4;
using phoenix::arg_names::_5;
return phoenix::bind(pf, f, _1, _2, _3, _4, _5);
}
// we assume that either both iterators are to be passed to the
// semantic action or none iterator at all (i.e. it's not possible
// to have a lexer semantic action function taking one arguments).
// semantic actions with 0 argument
template <typename F>
static void arg0_action(F* f, Iterator&, Iterator&
, BOOST_SCOPED_ENUM(pass_flags)&, IdType, Context const&)
{
f();
}
static FunctionType call(void (*f)())
{
void (*pf)(void(*)(), Iterator&, Iterator&
, BOOST_SCOPED_ENUM(pass_flags)&
, IdType, Context const&) = &arg0_action;
using phoenix::arg_names::_1;
using phoenix::arg_names::_2;
using phoenix::arg_names::_3;
using phoenix::arg_names::_4;
using phoenix::arg_names::_5;
return phoenix::bind(pf, f, _1, _2, _3, _4, _5);
}
};
// specialization allowing to skip wrapping for lexer types not
// supporting semantic actions
template <typename Iterator, typename Context, typename Idtype>
struct wrap_action<unused_type, Iterator, Context, Idtype>
{
// plain function objects are not touched at all
template <typename F>
static F const& call(F const& f)
{
return f;
}
};
}
}}}}
#endif
|
Swift