From 7062572c8f38c7b15181bd352d5f606091d31317 Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Sat, 31 May 2014 21:54:52 +0400
Subject: [PATCH 1/3] Re-implemented type name demangling.

The new implementation does not depend on Boost.Units and is fully contained in Boost.Exception.
---
 .../boost/exception/detail/exception_ptr.hpp  |  8 ++--
 include/boost/exception/detail/type_info.hpp  | 39 ++++++++++++++++---
 .../exception/diagnostic_information.hpp      |  8 ++--
 3 files changed, 42 insertions(+), 13 deletions(-)

diff --git a/include/boost/exception/detail/exception_ptr.hpp b/include/boost/exception/detail/exception_ptr.hpp
index a15bfc4..f9329a0 100644
--- a/include/boost/exception/detail/exception_ptr.hpp
+++ b/include/boost/exception/detail/exception_ptr.hpp
@@ -21,9 +21,9 @@
 #include <boost/exception/diagnostic_information.hpp>
 #include <boost/exception/detail/type_info.hpp>
 #include <boost/exception/detail/clone_current_exception.hpp>
-//#ifndef BOOST_NO_RTTI
-//#include <boost/units/detail/utility.hpp>
-//#endif
+#ifndef BOOST_NO_RTTI
+#include <boost/exception/detail/type_info.hpp> // exception_detail::demangle
+#endif
 #include <boost/shared_ptr.hpp>
 #include <stdexcept>
 #include <new>
@@ -92,7 +92,7 @@ boost
     std::string
     to_string( original_exception_type const & x )
         {
-        return /*units::detail::demangle*/(x.value()->name());
+        return exception_detail::demangle(x.value()->name());
         }
 #endif
 
diff --git a/include/boost/exception/detail/type_info.hpp b/include/boost/exception/detail/type_info.hpp
index 6e5942d..a66c747 100644
--- a/include/boost/exception/detail/type_info.hpp
+++ b/include/boost/exception/detail/type_info.hpp
@@ -15,14 +15,43 @@
 #include <boost/detail/sp_typeinfo.hpp>
 #include <boost/current_function.hpp>
 #include <boost/config.hpp>
-//#ifndef BOOST_NO_TYPEID
-//#include <boost/units/detail/utility.hpp>
-//#endif
 #include <string>
+#if defined(__GLIBCXX__) || defined(__GLIBCPP__)
+#include <cxxabi.h>
+#include <stdlib.h>
+#include <stddef.h>
+#define BOOST_EXCEPTION_HAS_CXXABI_H
+#endif
 
 namespace
 boost
     {
+    namespace
+    exception_detail
+        {
+        inline
+        std::string
+        demangle(const char* name)
+            {
+#ifdef BOOST_EXCEPTION_HAS_CXXABI_H
+            struct auto_free
+                {
+                explicit auto_free(char* ptr) : p(ptr) {}
+                ~auto_free() { free(p); }
+                char* p;
+                };
+
+            int status = 0;
+            size_t size = 0;
+            auto_free demangled(abi::__cxa_demangle(name, NULL, &size, &status));
+
+            if (demangled.p)
+                return demangled.p;
+#endif
+            return name;
+            }
+        }
+
     template <class T>
     inline
     std::string
@@ -31,7 +60,7 @@ boost
 #ifdef BOOST_NO_TYPEID
         return BOOST_CURRENT_FUNCTION;
 #else
-        return /*units::detail::demangle*/(typeid(T*).name());
+        return exception_detail::demangle(typeid(T*).name());
 #endif
         }
 
@@ -43,7 +72,7 @@ boost
 #ifdef BOOST_NO_TYPEID
         return BOOST_CURRENT_FUNCTION;
 #else
-        return /*units::detail::demangle*/(typeid(T).name());
+        return exception_detail::demangle(typeid(T).name());
 #endif
         }
 
diff --git a/include/boost/exception/diagnostic_information.hpp b/include/boost/exception/diagnostic_information.hpp
index 2f5cb88..181822a 100644
--- a/include/boost/exception/diagnostic_information.hpp
+++ b/include/boost/exception/diagnostic_information.hpp
@@ -16,9 +16,9 @@
 #include <boost/exception/get_error_info.hpp>
 #include <boost/exception/info.hpp>
 #include <boost/utility/enable_if.hpp>
-//#ifndef BOOST_NO_RTTI
-//#include <boost/units/detail/utility.hpp>
-//#endif
+#ifndef BOOST_NO_RTTI
+#include <boost/exception/detail/type_info.hpp> // exception_detail::demangle()
+#endif
 #include <exception>
 #include <sstream>
 #include <string>
@@ -151,7 +151,7 @@ boost
 #ifndef BOOST_NO_RTTI
             if ( verbose )
                 tmp << std::string("Dynamic exception type: ") <<
-                    /*units::detail::demangle*/((be?(BOOST_EXCEPTION_DYNAMIC_TYPEID(*be)):(BOOST_EXCEPTION_DYNAMIC_TYPEID(*se))).type_->name()) << '\n';
+                    exception_detail::demangle((be?(BOOST_EXCEPTION_DYNAMIC_TYPEID(*be)):(BOOST_EXCEPTION_DYNAMIC_TYPEID(*se))).type_->name()) << '\n';
 #endif
             if( with_what && se && verbose )
                 tmp << "std::exception::what: " << wh << '\n';

From 8f097eb241169082bb85b6e89670d55a2a62bb37 Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Sat, 31 May 2014 21:57:51 +0400
Subject: [PATCH 2/3] Comment fix.

---
 include/boost/exception/detail/exception_ptr.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/exception/detail/exception_ptr.hpp b/include/boost/exception/detail/exception_ptr.hpp
index f9329a0..c57c38e 100644
--- a/include/boost/exception/detail/exception_ptr.hpp
+++ b/include/boost/exception/detail/exception_ptr.hpp
@@ -22,7 +22,7 @@
 #include <boost/exception/detail/type_info.hpp>
 #include <boost/exception/detail/clone_current_exception.hpp>
 #ifndef BOOST_NO_RTTI
-#include <boost/exception/detail/type_info.hpp> // exception_detail::demangle
+#include <boost/exception/detail/type_info.hpp> // exception_detail::demangle()
 #endif
 #include <boost/shared_ptr.hpp>
 #include <stdexcept>

From a129725e3e6c5a7de3de93a77f726dff6c0cab5f Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Thu, 5 Jun 2014 00:50:04 +0400
Subject: [PATCH 3/3] Switched from BOOST_ATTRIBUTE_NORETURN to BOOST_NORETURN.

---
 include/boost/exception/detail/exception_ptr.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/boost/exception/detail/exception_ptr.hpp b/include/boost/exception/detail/exception_ptr.hpp
index c57c38e..9bbcc73 100644
--- a/include/boost/exception/detail/exception_ptr.hpp
+++ b/include/boost/exception/detail/exception_ptr.hpp
@@ -34,7 +34,7 @@ namespace
 boost
     {
     class exception_ptr;
-    BOOST_ATTRIBUTE_NORETURN void rethrow_exception( exception_ptr const & );
+    BOOST_NORETURN void rethrow_exception( exception_ptr const & );
     exception_ptr current_exception();
 
     class
@@ -454,7 +454,7 @@ boost
         return ret;
         }
 
-    BOOST_ATTRIBUTE_NORETURN
+    BOOST_NORETURN
     inline
     void
     rethrow_exception( exception_ptr const & p )