Rework as esp-idf component

Prefer using std::current_exception when available

CMakeLists.txt

@@ -2,6 +2,8 @@
 # Distributed under the Boost Software License, Version 1.0.
 # https://www.boost.org/LICENSE_1_0.txt
 
+if(NOT DEFINED IDF_TARGET)
+
 cmake_minimum_required(VERSION 3.5...3.20)
 
 project(boost_exception VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
@@ -30,3 +32,26 @@ if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
   add_subdirectory(test)
 
 endif()
+
+else()
+
+FILE(GLOB_RECURSE headers include/*.h include/*.hpp)
+
+idf_component_register(
+    SRCS
+        ${headers}
+#        src/clone_current_exception_non_intrusive.cpp
+    INCLUDE_DIRS
+        include
+    REQUIRES
+        boost_assert
+        boost_config
+        boost_core
+        boost_smart_ptr
+        boost_throw_exception
+        boost_tuple
+        boost_type_traits
+)
+
+endif()
+

include/boost/exception/detail/exception_ptr.hpp

@@ -112,14 +112,24 @@ boost
             }
         };
 
+    namespace
+    exception_detail
+        {
+        template <class E>
+        inline
+        exception_ptr
+        copy_exception_impl( E const & e )
+            {
+            return exception_ptr(boost::make_shared<E>(e));
+            }
+        }
+
     template <class E>
     inline
     exception_ptr
     copy_exception( E const & e )
         {
-        E cp = e;
-        exception_detail::copy_boost_exception(&cp, &e);
-        return exception_ptr(boost::make_shared<wrapexcept<E> >(cp));
+        return exception_detail::copy_exception_impl(boost::enable_current_exception(e));
         }
 
     template <class T>
@@ -385,6 +395,9 @@ boost
                         {
                         return exception_ptr(shared_ptr<exception_detail::clone_base const>(e.clone()));
                         }
+
+#ifdef BOOST_NO_CXX11_HDR_EXCEPTION
+
                     catch(
                     std::domain_error & e )
                         {
@@ -457,19 +470,19 @@ boost
                         {
                         return exception_detail::current_exception_std_exception(e);
                         }
-#ifdef BOOST_NO_CXX11_HDR_EXCEPTION
-                    // this case can be handled losslesly with std::current_exception() (see below)
                     catch(
                     std::exception & e )
                         {
                         return exception_detail::current_exception_unknown_std_exception(e);
                         }
-#endif
                     catch(
                     boost::exception & e )
                         {
                         return exception_detail::current_exception_unknown_boost_exception(e);
                         }
+
+#endif // #ifdef BOOST_NO_CXX11_HDR_EXCEPTION
+
                     catch(
                     ... )
                         {

meta/libraries.json

@@ -7,6 +7,7 @@
     "description": "The Boost Exception library supports transporting of arbitrary data in exception objects, and transporting of exceptions between threads.",
     "documentation": "doc/boost-exception.html",
     "category": [
+        "Error-handling",
         "Emulation"
     ],
     "maintainers": [

test/Jamfile.v2

@@ -41,6 +41,7 @@ run no_exceptions_test.cpp : : : <exception-handling>off ;
 run errinfos_test.cpp : : : <exception-handling>on ;
 run exception_ptr_test.cpp/<define>BOOST_ENABLE_NON_INTRUSIVE_EXCEPTION_PTR ../../thread/src/tss_null.cpp /boost/exception /boost//thread : : : <threading>multi <exception-handling>on : non_intrusive_exception_ptr_test ;
 run exception_ptr_test.cpp ../../thread/src/tss_null.cpp /boost//thread : : : <threading>multi <exception-handling>on ;
+run exception_ptr_test2.cpp ;
 
 lib visibility_test_lib : visibility_test_lib.cpp : <visibility>hidden <exception-handling>on ;
 run visibility_test.cpp visibility_test_lib/<link>shared : : : <visibility>hidden <exception-handling>on ;

test/exception_ptr_test2.cpp

@@ -0,0 +1,114 @@
+// Copyright 2022 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/config.hpp>
+
+#if defined(BOOST_NO_EXCEPTIONS)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE( "Skipping test because BOOST_NO_EXCEPTIONS is defined" )
+
+int main() {}
+
+#elif defined(BOOST_NO_CXX11_HDR_EXCEPTION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE( "Skipping test because BOOST_NO_CXX11_HDR_EXCEPTION is defined" )
+
+int main() {}
+
+#else
+
+#include <boost/exception_ptr.hpp>
+#include <boost/exception/exception.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <exception>
+#include <new>
+#include <stdexcept>
+
+class my_exception
+{
+};
+
+class my_exception2: public std::exception
+{
+};
+
+class my_exception3: public std::bad_alloc
+{
+};
+
+class my_exception4: public std::exception, public boost::exception
+{
+};
+
+class my_exception5: public std::logic_error, public virtual boost::exception
+{
+public:
+
+    my_exception5(): std::logic_error( "" ) {}
+};
+
+int main()
+{
+    try
+    {
+        throw my_exception();
+    }
+    catch( ... )
+    {
+        boost::exception_ptr p = boost::current_exception();
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), my_exception );
+    }
+
+    try
+    {
+        throw my_exception2();
+    }
+    catch( ... )
+    {
+        boost::exception_ptr p = boost::current_exception();
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), my_exception2 );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), std::exception );
+    }
+
+    try
+    {
+        throw my_exception3();
+    }
+    catch( ... )
+    {
+        boost::exception_ptr p = boost::current_exception();
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), my_exception3 );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), std::bad_alloc );
+    }
+
+    try
+    {
+        throw my_exception4();
+    }
+    catch( ... )
+    {
+        boost::exception_ptr p = boost::current_exception();
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), my_exception4 );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), std::exception );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), boost::exception );
+    }
+
+    try
+    {
+        throw my_exception5();
+    }
+    catch( ... )
+    {
+        boost::exception_ptr p = boost::current_exception();
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), my_exception5 );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), std::logic_error );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), boost::exception );
+    }
+
+    return boost::report_errors();
+}
+
+#endif