suppress warning (#39)

MSVC warning C4100: 'x': unreferenced formal parameter

.github/workflows/ci.yml

@@ -17,24 +17,17 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - toolset: gcc-4.7
-            cxxstd: "03,11"
-            os: ubuntu-16.04
-            install: g++-4.7
           - toolset: gcc-4.8
             cxxstd: "03,11"
-            os: ubuntu-16.04
+            os: ubuntu-18.04
             install: g++-4.8
-          - toolset: gcc-4.9
-            cxxstd: "03,11"
-            os: ubuntu-16.04
-            install: g++-4.9
           - toolset: gcc-5
             cxxstd: "03,11,14,1z"
-            os: ubuntu-16.04
+            os: ubuntu-18.04
+            install: g++-5
           - toolset: gcc-6
             cxxstd: "03,11,14,1z"
-            os: ubuntu-16.04
+            os: ubuntu-18.04
             install: g++-6
           - toolset: gcc-7
             cxxstd: "03,11,14,17"
@@ -42,51 +35,37 @@ jobs:
           - toolset: gcc-8
             cxxstd: "03,11,14,17,2a"
             os: ubuntu-18.04
+            install: g++-8
           - toolset: gcc-9
             cxxstd: "03,11,14,17,2a"
-            os: ubuntu-18.04
+            os: ubuntu-20.04
           - toolset: gcc-10
             cxxstd: "03,11,14,17,2a"
-            os: ubuntu-18.04
-          - toolset: clang
-            compiler: clang++-3.5
-            cxxstd: "03,11,14"
-            os: ubuntu-16.04
-            install: clang-3.5
-          - toolset: clang
-            compiler: clang++-3.6
-            cxxstd: "03,11,14"
-            os: ubuntu-16.04
-            install: clang-3.6
-          - toolset: clang
-            compiler: clang++-3.7
-            cxxstd: "03,11,14"
-            os: ubuntu-16.04
-            install: clang-3.7
-          - toolset: clang
-            compiler: clang++-3.8
-            cxxstd: "03,11,14"
-            os: ubuntu-16.04
-            install: clang-3.8
+            os: ubuntu-20.04
+          - toolset: gcc-11
+            cxxstd: "03,11,14,17,2a"
+            os: ubuntu-20.04
+            install: g++-11
           - toolset: clang
             compiler: clang++-3.9
             cxxstd: "03,11,14"
-            os: ubuntu-16.04
+            os: ubuntu-18.04
             install: clang-3.9
           - toolset: clang
             compiler: clang++-4.0
             cxxstd: "03,11,14"
-            os: ubuntu-16.04
+            os: ubuntu-18.04
             install: clang-4.0
           - toolset: clang
             compiler: clang++-5.0
             cxxstd: "03,11,14,1z"
-            os: ubuntu-16.04
+            os: ubuntu-18.04
             install: clang-5.0
           - toolset: clang
             compiler: clang++-6.0
             cxxstd: "03,11,14,17"
             os: ubuntu-18.04
+            install: clang-6.0
           - toolset: clang
             compiler: clang++-7
             cxxstd: "03,11,14,17"
@@ -94,16 +73,29 @@ jobs:
             install: clang-7
           - toolset: clang
             compiler: clang++-8
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "03,11,14,17"
             os: ubuntu-20.04
+            install: clang-8
           - toolset: clang
             compiler: clang++-9
             cxxstd: "03,11,14,17,2a"
             os: ubuntu-20.04
+            install: clang-9
           - toolset: clang
             compiler: clang++-10
             cxxstd: "03,11,14,17,2a"
             os: ubuntu-20.04
+            install: clang-10
+          - toolset: clang
+            compiler: clang++-11
+            cxxstd: "03,11,14,17,2a"
+            os: ubuntu-20.04
+            install: clang-11
+          - toolset: clang
+            compiler: clang++-12
+            cxxstd: "03,11,14,17,2a"
+            os: ubuntu-20.04
+            install: clang-12
           - toolset: clang
             cxxstd: "03,11,14,17,2a"
             os: macos-10.15

appveyor.yml

@@ -16,6 +16,7 @@ environment:
   matrix:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       TOOLSET: msvc-9.0,msvc-10.0,msvc-11.0
+      ADDRMD: 32
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       TOOLSET: msvc-12.0,msvc-14.0
       ADDRMD: 32,64
@@ -29,18 +30,22 @@ environment:
       ADDRMD: 64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       TOOLSET: msvc-14.2
-      CXXSTD: 14,17
+      CXXSTD: 14,17,latest
       ADDRMD: 32,64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       ADDPATH: C:\cygwin\bin;
       TOOLSET: gcc
       CXXSTD: 03,11,14,1z
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      ADDPATH: C:\cygwin64\bin;
+      TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       ADDPATH: C:\mingw\bin;
       TOOLSET: gcc
       CXXSTD: 03,11,14,1z
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      ADDPATH: C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;
+      ADDPATH: C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin;
       TOOLSET: gcc
       CXXSTD: 03,11,14,1z
 

doc/boost_throw_exception_hpp.html

@@ -27,7 +27,6 @@
     #include <boost/current_function.hpp>
     #define <span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(x)\
         ::boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span>( ::boost::<span class="RenoLink"><a href="enable_error_info.html">enable_error_info</a></span>(x) &lt;&lt;\
-        ::boost::<span class="RenoLink"><a href="boost_exception_exception_hpp.html">throw_function</a></span>(<span class="RenoLink"><a href="configuration_macros.html">BOOST_THROW_EXCEPTION_CURRENT_FUNCTION</a></span>) &lt;&lt;\
         ::boost::<span class="RenoLink"><a href="boost_exception_exception_hpp.html">throw_file</a></span>(__FILE__) &lt;&lt;\
         ::boost::<span class="RenoLink"><a href="boost_exception_exception_hpp.html">throw_line</a></span>((int)__LINE__) )
 #else

doc/frequently_asked_questions.html

@@ -25,7 +25,7 @@
 <p>The cost is that boost::<span class="RenoLink"><a href="exception.html">exception</a></span> is added as a base of the exception emitted by boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span> (unless the passed type already derives from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.)</p>
 <p>Calling boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span> does not cause dynamic memory allocations.</p>
 <h3>What is the cost of BOOST_THROW_EXCEPTION?</h3>
-<p>In addition to calling boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span>, <span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span> invokes __FILE__, __LINE__ and the <span class="RenoLink"><a href="configuration_macros.html">BOOST_THROW_EXCEPTION_CURRENT_FUNCTION</a></span> macros. The space required to store the information is already included in sizeof(boost::<span class="RenoLink"><a href="exception.html">exception</a></span>).</p>
+<p>In addition to calling boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span>, <span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span> invokes __FILE__ and __LINE__ macros. The space required to store the information is already included in sizeof(boost::<span class="RenoLink"><a href="exception.html">exception</a></span>).</p>
 <p>Calling <span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span> does not cause dynamic memory allocations.</p>
 <h3>Should I use boost::throw_exception or BOOST_THROW_EXCEPTION or just throw?</h3>
 <p>The benefit of calling boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span> instead of using throw directly is that it ensures that the emitted exception derives from boost::<span class="RenoLink"><a href="exception.html">exception</a></span> and that it is compatible with boost::<span class="RenoLink"><a href="current_exception.html">current_exception</a></span>.</p>

doc/synopsis.html

@@ -29,15 +29,15 @@ boost
     <span class="RenoLink"><a href="exception.html">exception</a></span>
         {
         protected:
-    
+
     <span class="RenoIncludeSPAN">    <span class="RenoLink"><a href="exception_constructors.html">exception</a></span>();
-        <span class="RenoLink"><a href="exception_constructors.html">exception</a></span>( <span class="RenoLink"><a href="exception.html">exception</a></span> const &amp; x );</span>    
-    <span class="RenoIncludeSPAN">    <span class="RenoLink"><a href="exception_destructor.html">~exception</a></span>();</span>    
-        };</span>    
-    
+        <span class="RenoLink"><a href="exception_constructors.html">exception</a></span>( <span class="RenoLink"><a href="exception.html">exception</a></span> const &amp; x );</span>
+    <span class="RenoIncludeSPAN">    <span class="RenoLink"><a href="exception_destructor.html">~exception</a></span>();</span>
+        };</span>
+
     <span class="RenoIncludeSPAN">template &lt;class Tag,class T&gt;
-    class <span class="RenoLink"><a href="error_info.html">error_info</a></span>;</span>    
-    
+    class <span class="RenoLink"><a href="error_info.html">error_info</a></span>;</span>
+
     typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct throw_function_,char const *&gt; throw_function;
     typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct throw_file_,char const *&gt; throw_file;
     typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct throw_line_,int&gt; throw_line;</span>
@@ -60,14 +60,14 @@ boost
     <span class="RenoLink"><a href="error_info.html">error_info</a></span>
         {
         public:
-    
-    <span class="RenoIncludeSPAN">    typedef T <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span>;</span>    
-    
-    <span class="RenoIncludeSPAN">    <span class="RenoLink"><a href="error_info_error_info.html">error_info</a></span>( <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; v );</span>    
+
+    <span class="RenoIncludeSPAN">    typedef T <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span>;</span>
+
+    <span class="RenoIncludeSPAN">    <span class="RenoLink"><a href="error_info_error_info.html">error_info</a></span>( <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; v );</span>
     <span class="RenoIncludeSPAN">    <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>() const;
-        <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>();</span>    
-        };</span>    
-    
+        <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>();</span>
+        };</span>
+
     <span class="RenoIncludeSPAN">template &lt;class E, class Tag, class T&gt;
     E const &amp; <span class="RenoLink"><a href="exception_operator_shl.html">operator&lt;&lt;</a></span>( E const &amp; x, <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;Tag,T&gt; const &amp; v );</span></span>
     }</span></pre>
@@ -104,11 +104,11 @@ boost
 
 <span class="RenoIncludeSPAN">    <span class="RenoIncludeSPAN">template &lt;class E&gt;
     std::string <span class="RenoLink"><a href="diagnostic_information.html">diagnostic_information</a></span>( E const &amp; e, bool verbose=true );
-    
-    std::string <span class="RenoLink"><a href="diagnostic_information.html">diagnostic_information</a></span>( <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> const &amp; p, bool verbose=true );</span>    
-    
-    <span class="RenoIncludeSPAN">char const * <span class="RenoLink"><a href="diagnostic_information_what.html">diagnostic_information_what</a></span>( boost::<span class="RenoLink"><a href="exception.html">exception</a></span> const &amp; e, bool verbose=true ) throw();</span>    
-    
+
+    std::string <span class="RenoLink"><a href="diagnostic_information.html">diagnostic_information</a></span>( <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> const &amp; p, bool verbose=true );</span>
+
+    <span class="RenoIncludeSPAN">char const * <span class="RenoLink"><a href="diagnostic_information_what.html">diagnostic_information_what</a></span>( boost::<span class="RenoLink"><a href="exception.html">exception</a></span> const &amp; e, bool verbose=true ) throw();</span>
+
     <span class="RenoIncludeSPAN">std::string <span class="RenoLink"><a href="current_exception_diagnostic_information.html">current_exception_diagnostic_information</a></span>();</span></span>
     }</span></pre>
 <p><span class="RenoEscape">&#35;<!--<wiki>`&#35;</wiki>--></span>include &lt;<span class="RenoLink"><a href="boost_exception_current_exception_cast_hpp.html">boost/exception/current_exception_cast.hpp</a></span>&gt;</p>
@@ -130,17 +130,17 @@ boost
         public boost::<span class="RenoLink"><a href="exception.html">exception</a></span>
         {
         ---unspecified---
-        };</span>    
-    
-    <span class="RenoIncludeSPAN">typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct tag_original_exception_type,std::type_info const *&gt; <span class="RenoLink"><a href="original_exception_type.html">original_exception_type</a></span>;</span>    
-    
-    <span class="RenoIncludeSPAN">typedef ---unspecified--- <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span>;</span>    
-    
+        };</span>
+
+    <span class="RenoIncludeSPAN">typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct tag_original_exception_type,std::type_info const *&gt; <span class="RenoLink"><a href="original_exception_type.html">original_exception_type</a></span>;</span>
+
+    <span class="RenoIncludeSPAN">typedef ---unspecified--- <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span>;</span>
+
     <span class="RenoIncludeSPAN">template &lt;class T&gt;
-    <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> <span class="RenoLink"><a href="copy_exception.html">copy_exception</a></span>( T const &amp; e );</span>    
-    
-    <span class="RenoIncludeSPAN"><span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> <span class="RenoLink"><a href="current_exception.html">current_exception</a></span>();</span>    
-    
+    <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> <span class="RenoLink"><a href="copy_exception.html">copy_exception</a></span>( T const &amp; e );</span>
+
+    <span class="RenoIncludeSPAN"><span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> <span class="RenoLink"><a href="current_exception.html">current_exception</a></span>();</span>
+
     <span class="RenoIncludeSPAN">void <span class="RenoLink"><a href="rethrow_exception.html">rethrow_exception</a></span>( <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> const &amp; ep );</span></span>
     }</span></pre>
 <p><span class="RenoEscape">&#35;<!--<wiki>`&#35;</wiki>--></span>include &lt;<span class="RenoLink"><a href="boost_exception_enable_current_exception_hpp.html">boost/exception/enable_current_exception.hpp</a></span>&gt;</p>
@@ -158,7 +158,6 @@ boost
     #include &lt;boost/current_function.hpp&gt;
     #define <span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(x)\
         ::boost::<span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span>( ::boost::<span class="RenoLink"><a href="enable_error_info.html">enable_error_info</a></span>(x) &lt;&lt;\
-        ::boost::<span class="RenoLink"><a href="boost_exception_exception_hpp.html">throw_function</a></span>(<span class="RenoLink"><a href="configuration_macros.html">BOOST_THROW_EXCEPTION_CURRENT_FUNCTION</a></span>) &lt;&lt;\
         ::boost::<span class="RenoLink"><a href="boost_exception_exception_hpp.html">throw_file</a></span>(__FILE__) &lt;&lt;\
         ::boost::<span class="RenoLink"><a href="boost_exception_exception_hpp.html">throw_line</a></span>((int)__LINE__) )
 #else

include/boost/exception/detail/exception_ptr.hpp

@@ -40,6 +40,37 @@
 namespace
 boost
     {
+    namespace
+    exception_detail
+        {
+#ifndef BOOST_NO_CXX11_HDR_EXCEPTION
+        struct
+        std_exception_ptr_wrapper:
+            std::exception
+            {
+            std::exception_ptr p;
+            explicit std_exception_ptr_wrapper( std::exception_ptr const & ptr ) BOOST_NOEXCEPT:
+                p(ptr)
+                {
+                }
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+            explicit std_exception_ptr_wrapper( std::exception_ptr && ptr ) BOOST_NOEXCEPT:
+                p(static_cast<std::exception_ptr &&>(ptr))
+                {
+                }
+#endif
+            };
+        shared_ptr<exception_detail::clone_base const>
+        inline
+        wrap_exception_ptr( std::exception_ptr const & e )
+            {
+            exception_detail::clone_base const & base =
+                boost::enable_current_exception(std_exception_ptr_wrapper(std::current_exception()));
+            return shared_ptr<exception_detail::clone_base const>(base.clone());
+            }
+#endif
+        }
+
     class exception_ptr;
     namespace exception_detail { void rethrow_exception_( exception_ptr const & ); }
 
@@ -54,6 +85,12 @@ boost
         exception_ptr()
             {
             }
+#ifndef BOOST_NO_CXX11_HDR_EXCEPTION
+        exception_ptr( std::exception_ptr const & e ):
+            ptr_(exception_detail::wrap_exception_ptr(e))
+            {
+            }
+#endif
         explicit
         exception_ptr( impl const & ptr ):
             ptr_(ptr)
@@ -307,24 +344,6 @@ boost
                 return boost::copy_exception(unknown_exception(e));
             }
 
-#ifndef BOOST_NO_CXX11_HDR_EXCEPTION
-        struct
-        std_exception_ptr_wrapper
-            {
-            std::exception_ptr p;
-            explicit std_exception_ptr_wrapper( std::exception_ptr const & ptr ) BOOST_NOEXCEPT:
-                p(ptr)
-                {
-                }
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
-            explicit std_exception_ptr_wrapper( std::exception_ptr && ptr ) BOOST_NOEXCEPT:
-                p(static_cast<std::exception_ptr &&>(ptr))
-                {
-                }
-#endif
-            };
-#endif
-
         inline
         exception_ptr
         current_exception_impl()
@@ -457,10 +476,7 @@ boost
 #ifndef BOOST_NO_CXX11_HDR_EXCEPTION
                         try
                             {
-                            // wrap the std::exception_ptr in a clone-enabled Boost.Exception object
-                            exception_detail::clone_base const & base =
-                                boost::enable_current_exception(std_exception_ptr_wrapper(std::current_exception()));
-                            return exception_ptr(shared_ptr<exception_detail::clone_base const>(base.clone()));
+                            return exception_ptr(std::current_exception());
                             }
                         catch(
                         ...)

include/boost/exception/info.hpp

@@ -31,7 +31,7 @@ boost
     template <class Tag,class T>
     inline
     std::string
-    error_info_name( error_info<Tag,T> const & x )
+    error_info_name( error_info<Tag,T> const & )
         {
         return tag_type_name<Tag>();
         }