. /src /error.cpp
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1   // 1   //
2   // Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com) 2   // Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com)
3   // Copyright (c) 2026 Michael Vandeberg 3   // Copyright (c) 2026 Michael Vandeberg
4   // 4   //
5   // Distributed under the Boost Software License, Version 1.0. (See accompanying 5   // Distributed under the Boost Software License, Version 1.0. (See accompanying
6   // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6   // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7   // 7   //
8   // Official repository: https://github.com/cppalliance/capy 8   // Official repository: https://github.com/cppalliance/capy
9   // 9   //
10   10  
11   #include <boost/capy/error.hpp> 11   #include <boost/capy/error.hpp>
12   #include <boost/capy/cond.hpp> 12   #include <boost/capy/cond.hpp>
13   13  
14   namespace boost { 14   namespace boost {
15   namespace capy { 15   namespace capy {
16   16  
17   namespace detail { 17   namespace detail {
18   18  
19   const char* 19   const char*
HITCBC 20   2 error_cat_type:: 20   2 error_cat_type::
21   name() const noexcept 21   name() const noexcept
22   { 22   {
HITCBC 23   2 return "boost.capy"; 23   2 return "boost.capy";
24   } 24   }
25   25  
26   std::string 26   std::string
HITCBC 27   888 error_cat_type:: 27   896 error_cat_type::
28   message(int code) const 28   message(int code) const
29   { 29   {
HITCBC 30   888 switch(static_cast<error>(code)) 30   896 switch(static_cast<error>(code))
31   { 31   {
HITCBC 32   6 case error::eof: return "eof"; 32   6 case error::eof: return "eof";
HITCBC 33   3 case error::canceled: return "operation canceled"; 33   3 case error::canceled: return "operation canceled";
HITCBC 34   2646 case error::test_failure: return "test failure"; 34   2670 case error::test_failure: return "test failure";
HITCBC 35   3 case error::stream_truncated: return "stream truncated"; 35   3 case error::stream_truncated: return "stream truncated";
HITCBC 36   3 case error::timeout: return "timeout"; 36   3 case error::timeout: return "timeout";
HITCBC 37   1 default: 37   1 default:
HITCBC 38   2 return "unknown"; 38   2 return "unknown";
39   } 39   }
40   } 40   }
41   41  
42   // Map each capy error code to its canonical portable condition. 42   // Map each capy error code to its canonical portable condition.
43   // canceled and timeout have standard equivalents, so they map to the 43   // canceled and timeout have standard equivalents, so they map to the
44   // generic conditions rather than capy's own cond enumerators; this is 44   // generic conditions rather than capy's own cond enumerators; this is
45   // what lets, e.g., error::canceled compare equal to 45   // what lets, e.g., error::canceled compare equal to
46   // std::errc::operation_canceled. 46   // std::errc::operation_canceled.
47   std::error_condition 47   std::error_condition
HITCBC 48   421 error_cat_type:: 48   404 error_cat_type::
49   default_error_condition(int code) const noexcept 49   default_error_condition(int code) const noexcept
50   { 50   {
HITCBC 51   421 switch(static_cast<error>(code)) 51   404 switch(static_cast<error>(code))
52   { 52   {
HITCBC 53   251 case error::eof: return make_error_condition(cond::eof); 53   251 case error::eof: return make_error_condition(cond::eof);
HITCBC 54   58 case error::canceled: return std::make_error_condition(std::errc::operation_canceled); 54   41 case error::canceled: return std::make_error_condition(std::errc::operation_canceled);
HITCBC 55   1 case error::stream_truncated: return make_error_condition(cond::stream_truncated); 55   1 case error::stream_truncated: return make_error_condition(cond::stream_truncated);
HITCBC 56   2 case error::timeout: return std::make_error_condition(std::errc::timed_out); 56   2 case error::timeout: return std::make_error_condition(std::errc::timed_out);
HITCBC 57   109 default: return std::error_condition(code, *this); 57   109 default: return std::error_condition(code, *this);
58   } 58   }
59   } 59   }
60   60  
61   //----------------------------------------------- 61   //-----------------------------------------------
62   62  
63   // msvc 14.0 has a bug that warns about inability 63   // msvc 14.0 has a bug that warns about inability
64   // to use constexpr construction here, even though 64   // to use constexpr construction here, even though
65   // there's no constexpr construction 65   // there's no constexpr construction
66   #if BOOST_CAPY_WORKAROUND(_MSC_VER, <= 1900) 66   #if BOOST_CAPY_WORKAROUND(_MSC_VER, <= 1900)
67   BOOST_CAPY_MSVC_WARNING_PUSH 67   BOOST_CAPY_MSVC_WARNING_PUSH
68   BOOST_CAPY_MSVC_WARNING_DISABLE(4592) 68   BOOST_CAPY_MSVC_WARNING_DISABLE(4592)
69   #endif 69   #endif
70   70  
71   #if defined(__cpp_constinit) && __cpp_constinit >= 201907L 71   #if defined(__cpp_constinit) && __cpp_constinit >= 201907L
72   constinit error_cat_type error_cat; 72   constinit error_cat_type error_cat;
73   #else 73   #else
74   error_cat_type error_cat; 74   error_cat_type error_cat;
75   #endif 75   #endif
76   76  
77   #if BOOST_CAPY_WORKAROUND(_MSC_VER, <= 1900) 77   #if BOOST_CAPY_WORKAROUND(_MSC_VER, <= 1900)
78   BOOST_CAPY_MSVC_WARNING_POP 78   BOOST_CAPY_MSVC_WARNING_POP
79   #endif 79   #endif
80   80  
81   } // detail 81   } // detail
82   82  
83   } // capy 83   } // capy
84   } // boost 84   } // boost