]> git.lyx.org Git - lyx.git/blobdiff - boost/boost/exception/diagnostic_information.hpp
boost: add eol property
[lyx.git] / boost / boost / exception / diagnostic_information.hpp
index 2c662201989d0e66a8417b8ffc5d641e23114f16..1ea9dc1bab6a4965fcd08e28e76ba4f9da896eeb 100755 (executable)
@@ -8,6 +8,7 @@
 
 #include <boost/config.hpp>
 #include <boost/exception/get_error_info.hpp>
+#include <boost/exception/detail/exception_ptr_base.hpp>
 #include <boost/utility/enable_if.hpp>
 #include <exception>
 #include <sstream>
@@ -41,26 +42,16 @@ boost
             enum e { value = !enable_boost_exception_overload<T>::value && sizeof(check((T*)0))==sizeof(yes) };
             };
 
-#ifndef BOOST_NO_RTTI
-        template <class T>
-        inline
-        std::string
-        dynamic_exception_type( T const & x )
-            {
-            return std::string("Dynamic exception type: ") + BOOST_EXCEPTION_DYNAMIC_TYPEID(x).name();
-            }
-#endif
-
         inline
         char const *
-        get_diagnostic_information( exception const & x )
+        get_diagnostic_information( exception const & x, char const * header )
             {
             if( error_info_container * c=x.data_.get() )
 #ifndef BOOST_NO_EXCEPTIONS
                 try
                     {
 #endif
-                    return c->diagnostic_information();
+                    return c->diagnostic_information(header);
 #ifndef BOOST_NO_EXCEPTIONS
                     }
                 catch(...)
@@ -72,43 +63,48 @@ boost
 
         inline
         std::string
-        boost_diagnostic_information( exception const & x )
+        diagnostic_information_impl( boost::exception const * be, std::exception const * se, bool with_what )
             {
-            std::ostringstream tmp;
-            if( char const * const * f=get_error_info<throw_file>(x) )
-                {
-                tmp << *f;
-                if( int const * l=get_error_info<throw_line>(x) )
-                    tmp << '(' << *l << "): ";
-                }
-            tmp << "Throw in function ";
-            if( char const * const * fn=get_error_info<throw_function>(x) )
-                tmp << *fn;
-            else
-                tmp << "(unknown)";
-            tmp << std::endl;
+            BOOST_ASSERT(be||se);
 #ifndef BOOST_NO_RTTI
-            tmp << dynamic_exception_type(x) << std::endl;
-            if( std::exception const * e=dynamic_cast<std::exception const *>(&x) )
-                tmp << "std::exception::what: " << e->what() << std::endl;
+            if( !se )
+                se = dynamic_cast<std::exception const *>(be);
+            if( !be )
+                be = dynamic_cast<boost::exception const *>(se);
 #endif
-            if( char const * s=exception_detail::get_diagnostic_information(x) )
-                if( *s )
-                    tmp << s;
-            return tmp.str();
-            }
-
-        inline
-        std::string
-        std_diagnostic_information( std::exception const & x )
-            {
+            char const * wh=0;
+            if( with_what && se )
+                {
+                wh=se->what();
+                if( be && exception_detail::get_diagnostic_information(*be,0)==wh )
+                    return wh;
+                }
             std::ostringstream tmp;
+            if( be )
+                {
+                if( char const * const * f=get_error_info<throw_file>(*be) )
+                    {
+                    tmp << *f;
+                    if( int const * l=get_error_info<throw_line>(*be) )
+                        tmp << '(' << *l << "): ";
+                    }
+                tmp << "Throw in function ";
+                if( char const * const * fn=get_error_info<throw_function>(*be) )
+                    tmp << *fn;
+                else
+                    tmp << "(unknown)";
+                tmp << '\n';
+                }
 #ifndef BOOST_NO_RTTI
-            if( exception const * e=dynamic_cast<exception const *>(&x) )
-                return boost_diagnostic_information(*e);
-            tmp << dynamic_exception_type(x) << std::endl;
+            tmp << std::string("Dynamic exception type: ") <<
+                (be?BOOST_EXCEPTION_DYNAMIC_TYPEID(*be):BOOST_EXCEPTION_DYNAMIC_TYPEID(*se)).name() << '\n';
 #endif
-            tmp << "std::exception::what: " << x.what() << std::endl;
+            if( with_what && se )
+                tmp << "std::exception::what: " << wh << '\n';
+            if( be )
+                if( char const * s=exception_detail::get_diagnostic_information(*be,tmp.str().c_str()) )
+                    if( *s )
+                        return s;
             return tmp.str();
             }
         }
@@ -118,7 +114,7 @@ boost
     typename enable_if<exception_detail::enable_boost_exception_overload<T>,std::string>::type
     diagnostic_information( T const & e )
         {
-        return exception_detail::boost_diagnostic_information(e);
+        return exception_detail::diagnostic_information_impl(&e,0,true);
         }
 
     template <class T>
@@ -126,7 +122,28 @@ boost
     typename enable_if<exception_detail::enable_std_exception_overload<T>,std::string>::type
     diagnostic_information( T const & e )
         {
-        return exception_detail::std_diagnostic_information(e);
+        return exception_detail::diagnostic_information_impl(0,&e,true);
+        }
+
+    inline
+    char const *
+    diagnostic_information_what( exception const & e ) throw()
+        {
+        char const * w=0;
+#ifndef BOOST_NO_EXCEPTIONS
+        try
+            {
+#endif
+            (void) exception_detail::diagnostic_information_impl(&e,0,false);
+            return exception_detail::get_diagnostic_information(e,0);
+#ifndef BOOST_NO_EXCEPTIONS
+            }
+        catch(
+        ... )
+            {
+            }
+#endif
+        return w;
         }
     }
 
@@ -139,14 +156,31 @@ boost
     std::string
     current_exception_diagnostic_information()
         {
-        if( boost::exception const * e=current_exception_cast<boost::exception const>() )
-            return diagnostic_information(*e);
-        else if( std::exception const * e=current_exception_cast<std::exception const>() )
-            return diagnostic_information(*e);
+        boost::exception const * be=current_exception_cast<boost::exception const>();
+        std::exception const * se=current_exception_cast<std::exception const>();
+        if( be || se )
+            return exception_detail::diagnostic_information_impl(be,se,true);
         else
             return "No diagnostic information available.";
         }
-       }
+
+    inline
+    std::string
+    diagnostic_information( exception_detail::exception_ptr_base const & p )
+        {
+        if( !p._empty() )
+            try
+                {
+                p._rethrow();
+                }
+            catch(
+            ... )
+                {
+                return current_exception_diagnostic_information();
+                }
+        return "<empty>";
+        }
+    }
 #endif
 
 #endif