summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '3rdParty/Boost/src/boost/system/error_code.hpp')
-rw-r--r--3rdParty/Boost/src/boost/system/error_code.hpp50
1 files changed, 31 insertions, 19 deletions
diff --git a/3rdParty/Boost/src/boost/system/error_code.hpp b/3rdParty/Boost/src/boost/system/error_code.hpp
index 8f795d7..d0eb6c5 100644
--- a/3rdParty/Boost/src/boost/system/error_code.hpp
+++ b/3rdParty/Boost/src/boost/system/error_code.hpp
@@ -129,7 +129,7 @@ namespace boost
too_many_files_open_in_system = ENFILE,
too_many_files_open = EMFILE,
too_many_links = EMLINK,
- too_many_synbolic_link_levels = ELOOP,
+ too_many_symbolic_link_levels = ELOOP,
value_too_large = EOVERFLOW,
wrong_protocol_type = EPROTOTYPE
};
@@ -183,11 +183,14 @@ namespace boost
{
public:
virtual ~error_category(){}
- virtual inline const char * name() const; // see implementation note below
- virtual inline std::string message( int ev ) const; // see implementation note below
- virtual inline error_condition default_error_condition( int ev ) const;
- virtual inline bool equivalent( int code, const error_condition & condition ) const;
- virtual inline bool equivalent( const error_code & code, int condition ) const;
+
+ virtual const char * name() const = 0;
+ virtual std::string message( int ev ) const = 0;
+ virtual error_condition default_error_condition( int ev ) const;
+ virtual bool equivalent( int code,
+ const error_condition & condition ) const;
+ virtual bool equivalent( const error_code & code,
+ int condition ) const;
bool operator==(const error_category & rhs) const { return this == &rhs; }
bool operator!=(const error_category & rhs) const { return this != &rhs; }
@@ -384,8 +387,30 @@ namespace boost
};
// predefined error_code object used as "throw on error" tag
+# ifndef BOOST_SYSTEM_NO_DEPRECATED
BOOST_SYSTEM_DECL extern error_code throws;
+# endif
+
+ // Moving from a "throws" object to a "throws" function without breaking
+ // existing code is a bit of a problem. The workaround is to place the
+ // "throws" function in namespace boost rather than namespace boost::system.
+ } // namespace system
+
+ namespace detail { inline system::error_code * throws() { return 0; } }
+ // Misuse of the error_code object is turned into a noisy failure by
+ // poisoning the reference. This particular implementation doesn't
+ // produce warnings or errors from popular compilers, is very efficient
+ // (as determined by inspecting generated code), and does not suffer
+ // from order of initialization problems. In practice, it also seems
+ // cause user function error handling implementation errors to be detected
+ // very early in the development cycle.
+
+ inline system::error_code & throws()
+ { return *detail::throws(); }
+
+ namespace system
+ {
// non-member functions ------------------------------------------------//
inline bool operator!=( const error_code & lhs,
@@ -474,19 +499,6 @@ namespace boost
return *this == code.category() && code.value() == condition;
}
- // error_category implementation note: VC++ 8.0 objects to name() and
- // message() being pure virtual functions. Thus these implementations.
- inline const char * error_category::name() const
- {
- return "error: should never be called";
- }
-
- inline std::string error_category::message( int ) const
- {
- static std::string s("error: should never be called");
- return s;
- }
-
} // namespace system
} // namespace boost