1 /*=============================================================================
2     Copyright (c) 2001-2013 Joel de Guzman
3 
4     Distributed under the Boost Software License, Version 1.0. (See accompanying
5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 =============================================================================*/
7 #if !defined(BOOST_SPIRIT_TEST_FEBRUARY_01_2007_0605PM)
8 #define BOOST_SPIRIT_TEST_FEBRUARY_01_2007_0605PM
9 
10 #include <boost/spirit/home/x3/core/parse.hpp>
11 #include <boost/utility/string_view.hpp>
12 #include <iostream>
13 
14 namespace spirit_test
15 {
16     template <typename Char, typename Parser>
test(Char const * in,Parser const & p,bool full_match=true)17     bool test(Char const* in, Parser const& p, bool full_match = true)
18     {
19         Char const* last = in;
20         while (*last)
21             last++;
22         return boost::spirit::x3::parse(in, last, p)
23             && (!full_match || (in == last));
24     }
25 
26     template <typename Char, typename Parser>
test(boost::basic_string_view<Char,std::char_traits<Char>> in,Parser const & p,bool full_match=true)27     bool test(boost::basic_string_view<Char, std::char_traits<Char>> in,
28               Parser const& p, bool full_match = true)
29     {
30         auto const last = in.end();
31         auto pos        = in.begin();
32 
33         return boost::spirit::x3::parse(pos, last, p) && (!full_match || (pos == last));
34     }
35 
36     template <typename Char, typename Parser, typename Skipper>
test(Char const * in,Parser const & p,Skipper const & s,bool full_match=true)37     bool test(Char const* in, Parser const& p
38         , Skipper const& s, bool full_match = true)
39     {
40         Char const* last = in;
41         while (*last)
42             last++;
43         return boost::spirit::x3::phrase_parse(in, last, p, s)
44             && (!full_match || (in == last));
45     }
46 
47     template <typename Char, typename Parser>
test_failure(Char const * in,Parser const & p)48     bool test_failure(Char const* in, Parser const& p)
49     {
50         Char const * const start = in;
51         Char const* last = in;
52         while (*last)
53             last++;
54 
55         return !boost::spirit::x3::parse(in, last, p) && (in == start);
56     }
57 
58     template <typename Char, typename Parser>
test_failure(boost::basic_string_view<Char,std::char_traits<Char>> const in,Parser const & p)59     bool test_failure(boost::basic_string_view<Char, std::char_traits<Char>> const in,
60                       Parser const& p)
61     {
62         auto pos = in.begin();
63         return !boost::spirit::x3::parse(pos, in.end(), p) && (pos == in.begin());
64     }
65 
66     template <typename Char, typename Parser, typename Attr>
test_attr(Char const * in,Parser const & p,Attr & attr,bool full_match=true)67     bool test_attr(Char const* in, Parser const& p
68         , Attr& attr, bool full_match = true)
69     {
70         Char const* last = in;
71         while (*last)
72             last++;
73         return boost::spirit::x3::parse(in, last, p, attr)
74             && (!full_match || (in == last));
75     }
76 
77     template <typename Char, typename Parser, typename Attr, typename Skipper>
test_attr(Char const * in,Parser const & p,Attr & attr,Skipper const & s,bool full_match=true)78     bool test_attr(Char const* in, Parser const& p
79         , Attr& attr, Skipper const& s, bool full_match = true)
80     {
81         Char const* last = in;
82         while (*last)
83             last++;
84         return boost::spirit::x3::phrase_parse(in, last, p, s, attr)
85             && (!full_match || (in == last));
86     }
87 
88     template <typename Char, typename Parser>
binary_test(Char const * in,std::size_t size,Parser const & p,bool full_match=true)89     bool binary_test(Char const* in, std::size_t size, Parser const& p,
90         bool full_match = true)
91     {
92         Char const* last = in + size;
93         return boost::spirit::x3::parse(in, last, p)
94             && (!full_match || (in == last));
95     }
96 
97     template <typename Char, typename Parser, typename Skipper>
binary_test(Char const * in,std::size_t size,Parser const & p,Skipper const & s,bool full_match=true)98     bool binary_test(Char const* in, std::size_t size, Parser const& p,
99         Skipper const& s, bool full_match = true)
100     {
101         Char const* last = in + size;
102         return boost::spirit::x3::phrase_parse(in, last, p, s)
103             && (!full_match || (in == last));
104     }
105 
106     template <typename Char, typename Parser, typename Attr>
binary_test_attr(Char const * in,std::size_t size,Parser const & p,Attr & attr,bool full_match=true)107     bool binary_test_attr(Char const* in, std::size_t size, Parser const& p,
108         Attr& attr, bool full_match = true)
109     {
110         Char const* last = in + size;
111         return boost::spirit::x3::parse(in, last, p, attr)
112             && (!full_match || (in == last));
113     }
114 
115     template <typename Char, typename Parser, typename Attr, typename Skipper>
binary_test_attr(Char const * in,std::size_t size,Parser const & p,Attr & attr,Skipper const & s,bool full_match=true)116     bool binary_test_attr(Char const* in, std::size_t size, Parser const& p,
117         Attr& attr, Skipper const& s, bool full_match = true)
118     {
119         Char const* last = in + size;
120         return boost::spirit::x3::phrase_parse(in, last, p, s, attr)
121             && (!full_match || (in == last));
122     }
123 
124 
125     template <typename... T>
always_true(T &&...)126     constexpr bool always_true(T&&...) { return true; }
127 
128     template <typename Parser>
test_ctors(Parser const & p)129     constexpr bool test_ctors(Parser const& p)
130     {
131         return always_true(
132                    static_cast<Parser>(static_cast<Parser&&>(  // test move ctor
133                        static_cast<Parser>(p))));              // test copy ctor
134     }
135 }
136 
137 # define BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(...) \
138     static_assert(::spirit_test::test_ctors(__VA_ARGS__), "")
139 
140 #endif
141