Remove essentials from yml files

Fix MSVC C4668 warnings (undefined preprocessor macro) for __GNUC__ and __GNUC_MINOR__ by checking if __GNUC__ is defined first.

.travis.yml

@@ -110,7 +110,7 @@ matrix:
 
     - os: linux
       compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17
+      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17,2a
       addons:
         apt:
           packages:
@@ -120,7 +120,7 @@ matrix:
 
     - os: linux
       compiler: g++-8
-      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17 UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
+      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17,2a UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
       addons:
         apt:
           packages:
@@ -227,6 +227,17 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-trusty-6.0
 
+    - os: linux
+      compiler: clang++-7
+      env: TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11,14,17,2a
+      addons:
+        apt:
+          packages:
+            - clang-7
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-7
+
     - os: linux
       compiler: clang++-6.0
       env: UBSAN=1 TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03,11,14,17 UBSAN_OPTIONS=print_stacktrace=1
@@ -263,8 +274,6 @@ install:
   - cd ..
   - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
-  - git submodule update --init tools/build
-  - git submodule update --init libs/config
   - git submodule update --init tools/boostdep
   - cp -r $TRAVIS_BUILD_DIR/* libs/throw_exception
   - python tools/boostdep/depinst/depinst.py throw_exception

CMakeLists.txt

@@ -2,6 +2,9 @@
 # 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
 
+# Partial (add_subdirectory only) and experimental CMake support
+# Subject to change; please do not rely on the contents of this file yet
+
 cmake_minimum_required(VERSION 3.5)
 project(BoostThrowException LANGUAGES CXX)
 

appveyor.yml

@@ -44,10 +44,8 @@ install:
   - cd ..
   - git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
-  - git submodule update --init tools/build
-  - git submodule update --init libs/config
   - git submodule update --init tools/boostdep
-  - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\throw_exception
+  - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\throw_exception\
   - python tools/boostdep/depinst/depinst.py throw_exception
   - cmd /c bootstrap
   - b2 -d0 headers

include/boost/exception/exception.hpp

@@ -16,7 +16,7 @@ namespace boost { template <class T> class shared_ptr; }
 namespace boost { namespace exception_detail { using boost::shared_ptr; } }
 #endif
 
-#if (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#if defined(__GNUC__) && (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
 #pragma GCC system_header
 #endif
 #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
@@ -472,6 +472,51 @@ boost
         {
         return exception_detail::clone_impl<T>(x);
         }
+
+    template <class T>
+    struct
+    BOOST_SYMBOL_VISIBLE
+    wrapexcept:
+        public exception_detail::clone_impl<typename exception_detail::enable_error_info_return_type<T>::type>
+        {
+        typedef exception_detail::clone_impl<typename exception_detail::enable_error_info_return_type<T>::type> base_type;
+        public:
+        explicit
+        wrapexcept( typename exception_detail::enable_error_info_return_type<T>::type const & x ):
+            base_type( x )
+            {
+            }
+
+        ~wrapexcept() throw()
+            {
+            }
+        };
+
+    namespace
+    exception_detail
+        {
+        template <class T>
+        struct
+        remove_error_info_injector
+            {
+            typedef T type;
+            };
+
+        template <class T>
+        struct
+        remove_error_info_injector< error_info_injector<T> >
+            {
+            typedef T type;
+            };
+
+        template <class T>
+        inline
+        wrapexcept<typename remove_error_info_injector<T>::type>
+        enable_both( T const & x )
+            {
+            return wrapexcept<typename remove_error_info_injector<T>::type>( enable_error_info( x ) );
+            }
+        }
     }
 
 #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)

include/boost/throw_exception.hpp

@@ -43,7 +43,7 @@
 # define BOOST_THROW_EXCEPTION(x) ::boost::throw_exception(x)
 #endif
 
-#if (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#if defined(__GNUC__) && (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
 #pragma GCC system_header
 #endif
 #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
@@ -67,7 +67,7 @@ template<class E> BOOST_NORETURN inline void throw_exception( E const & e )
     throw_exception_assert_compatibility(e);
 
 #ifndef BOOST_EXCEPTION_DISABLE
-    throw enable_current_exception(enable_error_info(e));
+    throw exception_detail::enable_both( e );
 #else
     throw e;
 #endif

test/Jamfile.v2

@@ -14,6 +14,10 @@ run throw_exception_no_both_test.cpp ;
 
 compile-fail throw_exception_fail.cpp ;
 
+run throw_exception_test2.cpp ;
+run throw_exception_test3.cpp ;
+run throw_exception_test4.cpp ;
+
 lib lib1_throw : lib1_throw.cpp : <define>LIB1_SOURCE=1 <link>shared:<define>LIB1_DYN_LINK=1 : : <link>shared:<define>LIB1_DYN_LINK=1 ;
 lib lib2_throw : lib2_throw.cpp : <define>LIB2_SOURCE=1 <link>shared:<define>LIB2_DYN_LINK=1 : : <link>shared:<define>LIB2_DYN_LINK=1 ;
 lib lib3_throw : lib3_throw.cpp : <define>LIB3_SOURCE=1 <link>shared:<define>LIB3_DYN_LINK=1 : : <link>shared:<define>LIB3_DYN_LINK=1 ;

test/throw_exception_test2.cpp

@@ -0,0 +1,28 @@
+// Copyright 2018 Peter Dimov
+//
+// 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
+
+#include <boost/throw_exception.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+class my_exception: public std::exception
+{
+};
+
+class my_exception2: public std::exception, public boost::exception
+{
+};
+
+int main()
+{
+    BOOST_TEST_THROWS( boost::throw_exception( my_exception() ), boost::exception );
+    BOOST_TEST_THROWS( boost::throw_exception( my_exception2() ), boost::exception );
+
+    BOOST_TEST_THROWS( BOOST_THROW_EXCEPTION( my_exception() ), boost::exception );
+    BOOST_TEST_THROWS( BOOST_THROW_EXCEPTION( my_exception2() ), boost::exception );
+
+    return boost::report_errors();
+}

test/throw_exception_test3.cpp

@@ -0,0 +1,71 @@
+// Copyright 2018 Peter Dimov
+//
+// 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
+
+#include <boost/throw_exception.hpp>
+#include <boost/exception_ptr.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+class my_exception: public std::exception
+{
+};
+
+class my_exception2: public std::exception, public boost::exception
+{
+};
+
+int main()
+{
+    try
+    {
+        boost::throw_exception( my_exception() );
+    }
+    catch( ... )
+    {
+        boost::exception_ptr p = boost::current_exception();
+
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), my_exception );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), boost::exception );
+    }
+
+    try
+    {
+        boost::throw_exception( 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 ), boost::exception );
+    }
+
+    try
+    {
+        BOOST_THROW_EXCEPTION( my_exception() );
+    }
+    catch( ... )
+    {
+        boost::exception_ptr p = boost::current_exception();
+
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), my_exception );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), boost::exception );
+    }
+
+    try
+    {
+        BOOST_THROW_EXCEPTION( 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 ), boost::exception );
+    }
+
+    return boost::report_errors();
+}

test/throw_exception_test4.cpp

@@ -0,0 +1,47 @@
+// Copyright 2018 Peter Dimov
+//
+// 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
+
+#include <boost/throw_exception.hpp>
+#include <boost/exception/get_error_info.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+class my_exception: public std::exception
+{
+};
+
+class my_exception2: public std::exception, public boost::exception
+{
+};
+
+int main()
+{
+    try
+    {
+        BOOST_THROW_EXCEPTION( my_exception() );
+    }
+    catch( boost::exception const & x )
+    {
+        int const * line = boost::get_error_info<boost::throw_line>( x );
+
+        BOOST_TEST( line != 0 );
+        BOOST_TEST_EQ( *line, 24 );
+    }
+
+    try
+    {
+        BOOST_THROW_EXCEPTION( my_exception2() );
+    }
+    catch( boost::exception const & x )
+    {
+        int const * line = boost::get_error_info<boost::throw_line>( x );
+
+        BOOST_TEST( line != 0 );
+        BOOST_TEST_EQ( *line, 36 );
+    }
+
+    return boost::report_errors();
+}

test/throw_from_library_test.cpp

@@ -8,13 +8,72 @@
 #include "lib1_throw.hpp"
 #include "lib2_throw.hpp"
 #include "lib3_throw.hpp"
+#include <boost/exception/exception.hpp>
+#include <boost/exception_ptr.hpp>
+#include <boost/exception/get_error_info.hpp>
 #include <boost/core/lightweight_test.hpp>
 
-int main()
+void test_catch_by_type()
 {
     BOOST_TEST_THROWS( lib1::f(), lib1::exception );
     BOOST_TEST_THROWS( lib2::f(), lib2::exception );
     BOOST_TEST_THROWS( lib3::f(), lib3::exception );
+}
+
+void test_catch_by_exception()
+{
+    BOOST_TEST_THROWS( lib2::f(), boost::exception );
+    BOOST_TEST_THROWS( lib3::f(), boost::exception );
+}
+
+void test_exception_ptr()
+{
+    try
+    {
+        lib2::f();
+    }
+    catch( ... )
+    {
+        boost::exception_ptr p = boost::current_exception();
+
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), lib2::exception );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), boost::exception );
+    }
+
+    try
+    {
+        lib3::f();
+    }
+    catch( ... )
+    {
+        boost::exception_ptr p = boost::current_exception();
+
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), lib3::exception );
+        BOOST_TEST_THROWS( boost::rethrow_exception( p ), boost::exception );
+    }
+}
+
+void test_throw_line()
+{
+    try
+    {
+        lib3::f();
+    }
+    catch( boost::exception const & x )
+    {
+        int const * line = boost::get_error_info<boost::throw_line>( x );
+
+        BOOST_TEST( line != 0 );
+        BOOST_TEST_EQ( *line, 13 );
+    }
+}
+
+int main()
+{
+    test_catch_by_type();
+    test_catch_by_exception();
+    test_exception_ptr();
+    test_throw_line();
 
     return boost::report_errors();
 }