1 /*! \file util.hpp
2     \brief Internal misc utilities
3     \ingroup Internal */
4 /*
5   Copyright (c) 2014, Randolph Voorhies, Shane Grant
6   All rights reserved.
7 
8   Redistribution and use in source and binary forms, with or without
9   modification, are permitted provided that the following conditions are met:
10       * Redistributions of source code must retain the above copyright
11         notice, this list of conditions and the following disclaimer.
12       * 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       * Neither the name of cereal nor the
16         names of its contributors may be used to endorse or promote products
17         derived from this software without specific prior written permission.
18 
19   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22   DISCLAIMED. IN NO EVENT SHALL RANDOLPH VOORHIES OR SHANE GRANT BE LIABLE FOR ANY
23   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #ifndef CEREAL_DETAILS_UTIL_HPP_
31 #define CEREAL_DETAILS_UTIL_HPP_
32 
33 #include <typeinfo>
34 #include <string>
35 
36 #ifdef _MSC_VER
37 namespace cereal
38 {
39   namespace util
40   {
41     //! Demangles the type encoded in a string
42     /*! @internal */
demangle(std::string const & name)43     inline std::string demangle( std::string const & name )
44     { return name; }
45 
46     //! Gets the demangled name of a type
47     /*! @internal */
48     template <class T> inline
demangledName()49     std::string demangledName()
50     { return typeid( T ).name(); }
51   } // namespace util
52 } // namespace cereal
53 #else // clang or gcc
54 #include <cxxabi.h>
55 #include <cstdlib>
56 namespace cereal
57 {
58   namespace util
59   {
60     //! Demangles the type encoded in a string
61     /*! @internal */
demangle(std::string mangledName)62     inline std::string demangle(std::string mangledName)
63     {
64       int status = 0;
65       char *demangledName = nullptr;
66       std::size_t len;
67 
68       demangledName = abi::__cxa_demangle(mangledName.c_str(), 0, &len, &status);
69 
70       std::string retName(demangledName);
71       free(demangledName);
72 
73       return retName;
74     }
75 
76     //! Gets the demangled name of a type
77     /*! @internal */
78     template<class T> inline
demangledName()79     std::string demangledName()
80     { return demangle(typeid(T).name()); }
81   }
82 } // namespace cereal
83 #endif // clang or gcc branch of _MSC_VER
84 #endif // CEREAL_DETAILS_UTIL_HPP_
85