1 #ifndef BOOST_ASSERT_SOURCE_LOCATION_HPP_INCLUDED
2 #define BOOST_ASSERT_SOURCE_LOCATION_HPP_INCLUDED
3
4 // http://www.boost.org/libs/assert
5 //
6 // Copyright 2019 Peter Dimov
7 // Distributed under the Boost Software License, Version 1.0.
8 // http://www.boost.org/LICENSE_1_0.txt
9
10 #include <boost/current_function.hpp>
11 #include <boost/config.hpp>
12 #include <boost/cstdint.hpp>
13 #include <iosfwd>
14
15 namespace boost
16 {
17
18 struct source_location
19 {
20 private:
21
22 char const * file_;
23 char const * function_;
24 boost::uint_least32_t line_;
25 boost::uint_least32_t column_;
26
27 public:
28
source_locationboost::source_location29 BOOST_CONSTEXPR source_location() BOOST_NOEXCEPT: file_( "(unknown)" ), function_( "(unknown)" ), line_( 0 ), column_( 0 )
30 {
31 }
32
source_locationboost::source_location33 BOOST_CONSTEXPR source_location( char const * file, boost::uint_least32_t ln, char const * function, boost::uint_least32_t col = 0 ) BOOST_NOEXCEPT: file_( file ), function_( function ), line_( ln ), column_( col )
34 {
35 }
36
file_nameboost::source_location37 BOOST_CONSTEXPR char const * file_name() const BOOST_NOEXCEPT
38 {
39 return file_;
40 }
41
function_nameboost::source_location42 BOOST_CONSTEXPR char const * function_name() const BOOST_NOEXCEPT
43 {
44 return function_;
45 }
46
lineboost::source_location47 BOOST_CONSTEXPR boost::uint_least32_t line() const BOOST_NOEXCEPT
48 {
49 return line_;
50 }
51
columnboost::source_location52 BOOST_CONSTEXPR boost::uint_least32_t column() const BOOST_NOEXCEPT
53 {
54 return column_;
55 }
56 };
57
operator <<(std::basic_ostream<E,T> & os,source_location const & loc)58 template<class E, class T> std::basic_ostream<E, T> & operator<<( std::basic_ostream<E, T> & os, source_location const & loc )
59 {
60 os.width( 0 );
61
62 if( loc.line() == 0 )
63 {
64 os << "(unknown source location)";
65 }
66 else
67 {
68 os << loc.file_name() << ':' << loc.line();
69
70 if( loc.column() )
71 {
72 os << ':' << loc.column();
73 }
74
75 os << ": in function '" << loc.function_name() << '\'';
76 }
77
78 return os;
79 }
80
81 } // namespace boost
82
83 #if defined( BOOST_DISABLE_CURRENT_LOCATION )
84
85 # define BOOST_CURRENT_LOCATION ::boost::source_location()
86
87 #elif defined(__clang_analyzer__)
88
89 // Cast to char const* to placate clang-tidy
90 // https://bugs.llvm.org/show_bug.cgi?id=28480
91 # define BOOST_CURRENT_LOCATION ::boost::source_location(__FILE__, __LINE__, static_cast<char const*>(BOOST_CURRENT_FUNCTION))
92
93 #else
94
95 # define BOOST_CURRENT_LOCATION ::boost::source_location(__FILE__, __LINE__, BOOST_CURRENT_FUNCTION)
96
97 #endif
98
99 #endif // #ifndef BOOST_ASSERT_SOURCE_LOCATION_HPP_INCLUDED
100