Line | Branch | Exec | Source |
---|---|---|---|
1 | // | ||
2 | // Copyright (C) 2016 by Joseph Mirabel, CNRS. | ||
3 | // | ||
4 | |||
5 | // Redistribution and use in source and binary forms, with or without | ||
6 | // modification, are permitted provided that the following conditions are | ||
7 | // met: | ||
8 | // | ||
9 | // 1. Redistributions of source code must retain the above copyright | ||
10 | // notice, this list of conditions and the following disclaimer. | ||
11 | // | ||
12 | // 2. Redistributions in binary form must reproduce the above copyright | ||
13 | // notice, this list of conditions and the following disclaimer in the | ||
14 | // documentation and/or other materials provided with the distribution. | ||
15 | // | ||
16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
20 | // HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH | ||
27 | // DAMAGE. | ||
28 | // | ||
29 | // This software is provided "as is" without warranty of any kind, | ||
30 | // either expressed or implied, including but not limited to the | ||
31 | // implied warranties of fitness for a particular purpose. | ||
32 | // | ||
33 | // See the COPYING file for more information. | ||
34 | |||
35 | #ifndef HPP_UTIL_EXCEPTION_FACTORY_HH | ||
36 | #define HPP_UTIL_EXCEPTION_FACTORY_HH | ||
37 | |||
38 | #include <hpp/util/config.hh> | ||
39 | #include <sstream> | ||
40 | |||
41 | namespace hpp { | ||
42 | /// \cond | ||
43 | struct ThrowException {}; | ||
44 | |||
45 | template <typename exception> | ||
46 | struct ExceptionFactory; | ||
47 | |||
48 | namespace internal { | ||
49 | template <typename exception, typename In> | ||
50 | struct conditional_insertion_operator { | ||
51 | typedef ExceptionFactory<exception>& type; | ||
52 | |||
53 | 20 | static inline type run(ExceptionFactory<exception>& be, const In& t) { | |
54 | 20 | be.ss << t; | |
55 | 20 | return be; | |
56 | } | ||
57 | }; | ||
58 | } // namespace internal | ||
59 | /// \endcond | ||
60 | |||
61 | /// \brief Class to ease exception creation. | ||
62 | /// | ||
63 | /// You can use equivalently | ||
64 | /// \code | ||
65 | /// throw ::hpp::ExceptionFactory<std::runtime_error>() << "message" << | ||
66 | /// variable << ::hpp::ThrowException(); | ||
67 | /// \endcode | ||
68 | /// or | ||
69 | /// \code | ||
70 | /// HPP_THROW(std::runtime_error>, "message" << variable); | ||
71 | /// \endcode | ||
72 | template <typename exception> | ||
73 | struct HPP_UTIL_DLLAPI ExceptionFactory { | ||
74 | std::stringstream ss; | ||
75 | |||
76 | template <typename T> | ||
77 | inline typename internal::conditional_insertion_operator<exception, T>::type | ||
78 | 26 | operator<<(const T& t) { | |
79 | 20 | return internal::conditional_insertion_operator<exception, T>::run(*this, | |
80 | 26 | t); | |
81 | } | ||
82 | }; | ||
83 | |||
84 | /// \cond | ||
85 | // ---------------------------------------- | ||
86 | // ExceptionFactory - template specialization | ||
87 | // ---------------------------------------- | ||
88 | namespace internal { | ||
89 | template <typename exception> | ||
90 | struct conditional_insertion_operator<exception, ThrowException> { | ||
91 | typedef exception type; | ||
92 | |||
93 | 3 | static inline type run(ExceptionFactory<exception>& be, | |
94 | const ThrowException&) { | ||
95 |
2/4✓ Branch 1 taken 3 times.
✗ Branch 2 not taken.
✓ Branch 5 taken 3 times.
✗ Branch 6 not taken.
|
3 | return exception(be.ss.str().c_str()); |
96 | } | ||
97 | }; | ||
98 | } // namespace internal | ||
99 | /// \endcond | ||
100 | } // end of namespace hpp. | ||
101 | |||
102 | /// \addtogroup hpp_util_exceptions | ||
103 | /// \{ | ||
104 | |||
105 | /// \brief Throw an exception of type using MSG as a string stream | ||
106 | /// \code | ||
107 | /// HPP_THROW(std::runtime_error, "message" << variable); | ||
108 | /// \endcode | ||
109 | #define HPP_THROW(TYPE, MSG) \ | ||
110 | throw ::hpp::ExceptionFactory<TYPE>() << MSG << ::hpp::ThrowException() | ||
111 | |||
112 | /// \brief Throw an exception of type using MSG as a string stream | ||
113 | /// \code | ||
114 | /// HPP_THROW_WITH_LINEINFO(std::runtime_error>, "message" << variable); | ||
115 | /// \endcode | ||
116 | #define HPP_THROW_WITH_LINEINFO(TYPE, MSG) \ | ||
117 | HPP_THROW(TYPE, MSG << " at " << __FILE__ << ":" << __LINE__) | ||
118 | |||
119 | /// \} | ||
120 | |||
121 | #endif //! HPP_UTIL_EXCEPTION_FACTORY_HH | ||
122 |