documentation update, added function exception::diagnostic_information, added std::exception to_string overload, removed tabs from source files

[SVN r46697]

include/boost/exception/detail/object_hex_dump.hpp

@@ -0,0 +1,39 @@
+//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
+
+//Distributed under the Boost Software License, Version 1.0. (See accompanying
+//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef UUID_6F463AC838DF11DDA3E6909F56D89593
+#define UUID_6F463AC838DF11DDA3E6909F56D89593
+
+#include <iomanip>
+#include <typeinfo>
+#include <ios>
+#include <string>
+#include <sstream>
+
+namespace
+boost
+    {
+    namespace
+    exception_detail
+        {
+        template <class T>
+        std::string
+        object_hex_dump( T const & x, size_t max_size=16 )
+            {
+            std::ostringstream s;
+            s << "type: " << typeid(x).name() << ", size: " << sizeof(T) << ", dump: ";
+            size_t n=sizeof(T)>max_size?max_size:sizeof(T);
+            s.fill('0');
+            s.width(2);
+            unsigned char const * b=reinterpret_cast<unsigned char const *>(&x);
+            s << std::setw(2) << std::hex << (unsigned int)*b;
+            for( unsigned char const * e=b+n; ++b!=e; )
+                s << " " << std::setw(2) << std::hex << (unsigned int)*b;
+            return s.str();
+            }
+        }
+    }
+
+#endif