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authorRemko Tronçon <git@el-tramo.be>2012-12-23 13:16:26 (GMT)
committerRemko Tronçon <git@el-tramo.be>2012-12-23 14:43:26 (GMT)
commit491ddd570a752cf9bda85933bed0c6942e39b1f9 (patch)
tree10c25c1be8cc08d0497df1dccd56a10fbb30beee /3rdParty/Boost/src/libs/exception
parentda7d7a0ca71b80281aa9ff2526290b61ccb0cc60 (diff)
downloadswift-491ddd570a752cf9bda85933bed0c6942e39b1f9.zip
swift-491ddd570a752cf9bda85933bed0c6942e39b1f9.tar.bz2
Update Boost to 1.52.0.
Change-Id: I1e56bea2600bf2ed9c5b3aba8c4f9d2a0f350e77
Diffstat (limited to '3rdParty/Boost/src/libs/exception')
-rw-r--r--3rdParty/Boost/src/libs/exception/build/Jamfile.v214
-rw-r--r--3rdParty/Boost/src/libs/exception/src/clone_current_exception_non_intrusive.cpp320
2 files changed, 334 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/libs/exception/build/Jamfile.v2 b/3rdParty/Boost/src/libs/exception/build/Jamfile.v2
new file mode 100644
index 0000000..fb47659
--- /dev/null
+++ b/3rdParty/Boost/src/libs/exception/build/Jamfile.v2
@@ -0,0 +1,14 @@
+# Boost Exception Library build Jamfile
+#
+# Copyright (c) 2006-2009 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)
+
+project boost/exception
+ : source-location ../src
+ : requirements <link>static
+ ;
+
+lib boost_exception : clone_current_exception_non_intrusive.cpp ;
+boost-install boost_exception ;
diff --git a/3rdParty/Boost/src/libs/exception/src/clone_current_exception_non_intrusive.cpp b/3rdParty/Boost/src/libs/exception/src/clone_current_exception_non_intrusive.cpp
new file mode 100644
index 0000000..1710cd7
--- /dev/null
+++ b/3rdParty/Boost/src/libs/exception/src/clone_current_exception_non_intrusive.cpp
@@ -0,0 +1,320 @@
+//Copyright (c) 2006-2009 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)
+
+//This MSVC-specific cpp file implements non-intrusive cloning of exception objects.
+//Based on an exception_ptr implementation by Anthony Williams.
+
+#ifdef BOOST_NO_EXCEPTIONS
+#error This file requires exception handling to be enabled.
+#endif
+
+#include <boost/exception/detail/clone_current_exception.hpp>
+
+#if defined(BOOST_ENABLE_NON_INTRUSIVE_EXCEPTION_PTR) && defined(_MSC_VER) && defined(_M_IX86) && !defined(_M_X64)
+
+//Non-intrusive cloning support implemented below, only for MSVC versions mentioned above.
+//Thanks Anthony Williams!
+
+#include <boost/exception/exception.hpp>
+#include <boost/shared_ptr.hpp>
+#ifndef BOOST_NO_RTTI
+#include <typeinfo>
+#endif
+#include <windows.h>
+#include <malloc.h>
+
+namespace
+ {
+ unsigned const exception_maximum_parameters=15;
+ unsigned const exception_noncontinuable=1;
+
+#if _MSC_VER==1310
+ int const exception_info_offset=0x74;
+#elif (_MSC_VER==1400 || _MSC_VER==1500)
+ int const exception_info_offset=0x80;
+#else
+ int const exception_info_offset=-1;
+#endif
+
+ struct
+ exception_record
+ {
+ unsigned long ExceptionCode;
+ unsigned long ExceptionFlags;
+ exception_record * ExceptionRecord;
+ void * ExceptionAddress;
+ unsigned long NumberParameters;
+ ULONG_PTR ExceptionInformation[exception_maximum_parameters];
+ };
+
+ struct
+ exception_pointers
+ {
+ exception_record * ExceptionRecord;
+ void * ContextRecord;
+ };
+
+ unsigned const cpp_exception_code=0xE06D7363;
+ unsigned const cpp_exception_magic_flag=0x19930520;
+ unsigned const cpp_exception_parameter_count=3;
+
+ struct
+ dummy_exception_type
+ {
+ };
+
+ typedef int(dummy_exception_type::*normal_copy_constructor_ptr)(void * src);
+ typedef int(dummy_exception_type::*copy_constructor_with_virtual_base_ptr)(void * src,void * dst);
+ typedef void (dummy_exception_type::*destructor_ptr)();
+
+ union
+ cpp_copy_constructor
+ {
+ normal_copy_constructor_ptr normal_copy_constructor;
+ copy_constructor_with_virtual_base_ptr copy_constructor_with_virtual_base;
+ };
+
+ enum
+ cpp_type_flags
+ {
+ class_is_simple_type=1,
+ class_has_virtual_base=4
+ };
+
+ struct
+ cpp_type_info
+ {
+ unsigned flags;
+#ifndef BOOST_NO_RTTI
+ void const * type_info;
+#else
+ std::type_info * type_info;
+#endif
+ int this_offset;
+ int vbase_descr;
+ int vbase_offset;
+ unsigned long size;
+ cpp_copy_constructor copy_constructor;
+ };
+
+ struct
+ cpp_type_info_table
+ {
+ unsigned count;
+ const cpp_type_info * info[1];
+ };
+
+ struct
+ cpp_exception_type
+ {
+ unsigned flags;
+ destructor_ptr destructor;
+ void(*custom_handler)();
+ cpp_type_info_table const * type_info_table;
+ };
+
+ struct
+ exception_object_deleter
+ {
+ cpp_exception_type const & et_;
+
+ exception_object_deleter( cpp_exception_type const & et ):
+ et_(et)
+ {
+ }
+
+ void
+ operator()( void * obj )
+ {
+ BOOST_ASSERT(obj!=0);
+ dummy_exception_type * dummy_exception_ptr=reinterpret_cast<dummy_exception_type *>(obj);
+ (dummy_exception_ptr->*(et_.destructor))();
+ free(obj);
+ }
+ };
+
+ cpp_type_info const &
+ get_cpp_type_info( cpp_exception_type const & et )
+ {
+ cpp_type_info const * ti = et.type_info_table->info[0];
+ BOOST_ASSERT(ti!=0);
+ return *ti;
+ }
+
+ void
+ copy_msvc_exception( void * dst, void * src, cpp_type_info const & ti )
+ {
+ if( !(ti.flags & class_is_simple_type) && ti.copy_constructor.normal_copy_constructor )
+ {
+ dummy_exception_type * dummy_exception_ptr = reinterpret_cast<dummy_exception_type *>(dst);
+ if( ti.flags & class_has_virtual_base )
+ (dummy_exception_ptr->*(ti.copy_constructor.copy_constructor_with_virtual_base))(src,dst);
+ else
+ (dummy_exception_ptr->*(ti.copy_constructor.normal_copy_constructor))(src);
+ }
+ else
+ memmove(dst,src,ti.size);
+ }
+
+ boost::shared_ptr<void>
+ clone_msvc_exception( void * src, cpp_exception_type const & et )
+ {
+ assert(src!=0);
+ cpp_type_info const & ti=get_cpp_type_info(et);
+ if( void * dst = malloc(ti.size) )
+ {
+ try
+ {
+ copy_msvc_exception(dst,src,ti);
+ }
+ catch(
+ ... )
+ {
+ free(dst);
+ throw;
+ }
+ return boost::shared_ptr<void>(dst,exception_object_deleter(et));
+ }
+ else
+ throw std::bad_alloc();
+ }
+
+ class
+ cloned_exception:
+ public boost::exception_detail::clone_base
+ {
+ cloned_exception( cloned_exception const & );
+ cloned_exception & operator=( cloned_exception const & );
+
+ cpp_exception_type const & et_;
+ boost::shared_ptr<void> exc_;
+
+ public:
+
+ cloned_exception( void * exc, cpp_exception_type const & et ):
+ et_(et),
+ exc_(clone_msvc_exception(exc,et_))
+ {
+ }
+
+ ~cloned_exception() throw()
+ {
+ }
+
+ boost::exception_detail::clone_base const *
+ clone() const
+ {
+ return new cloned_exception(exc_.get(),et_);
+ }
+
+ void
+ rethrow() const
+ {
+ cpp_type_info const & ti=get_cpp_type_info(et_);
+ void * dst = _alloca(ti.size);
+ copy_msvc_exception(dst,exc_.get(),ti);
+ ULONG_PTR args[cpp_exception_parameter_count];
+ args[0]=cpp_exception_magic_flag;
+ args[1]=reinterpret_cast<ULONG_PTR>(dst);
+ args[2]=reinterpret_cast<ULONG_PTR>(&et_);
+ RaiseException(cpp_exception_code,EXCEPTION_NONCONTINUABLE,cpp_exception_parameter_count,args);
+ }
+ };
+
+ bool
+ is_cpp_exception( EXCEPTION_RECORD const * record )
+ {
+ return record &&
+ (record->ExceptionCode==cpp_exception_code) &&
+ (record->NumberParameters==cpp_exception_parameter_count) &&
+ (record->ExceptionInformation[0]==cpp_exception_magic_flag);
+ }
+
+ unsigned long
+ exception_cloning_filter( int & result, boost::exception_detail::clone_base const * & ptr, void * info_ )
+ {
+ BOOST_ASSERT(exception_info_offset>=0);
+ BOOST_ASSERT(info_!=0);
+ EXCEPTION_POINTERS * info=reinterpret_cast<EXCEPTION_POINTERS *>(info_);
+ EXCEPTION_RECORD * record=info->ExceptionRecord;
+ if( is_cpp_exception(record) )
+ {
+ if( !record->ExceptionInformation[2] )
+ record = *reinterpret_cast<EXCEPTION_RECORD * *>(reinterpret_cast<char *>(_errno())+exception_info_offset);
+ if( is_cpp_exception(record) && record->ExceptionInformation[2] )
+ try
+ {
+ ptr = new cloned_exception(
+ reinterpret_cast<void *>(record->ExceptionInformation[1]),
+ *reinterpret_cast<cpp_exception_type const *>(record->ExceptionInformation[2]));
+ result = boost::exception_detail::clone_current_exception_result::success;
+ }
+ catch(
+ std::bad_alloc & )
+ {
+ result = boost::exception_detail::clone_current_exception_result::bad_alloc;
+ }
+ catch(
+ ... )
+ {
+ result = boost::exception_detail::clone_current_exception_result::bad_exception;
+ }
+ }
+ return EXCEPTION_EXECUTE_HANDLER;
+ }
+ }
+
+namespace
+boost
+ {
+ namespace
+ exception_detail
+ {
+ int
+ clone_current_exception_non_intrusive( clone_base const * & cloned )
+ {
+ BOOST_ASSERT(!cloned);
+ int result = clone_current_exception_result::not_supported;
+ if( exception_info_offset>=0 )
+ {
+ clone_base const * ptr=0;
+ __try
+ {
+ throw;
+ }
+ __except(exception_cloning_filter(result,ptr,GetExceptionInformation()))
+ {
+ }
+ if( result==clone_current_exception_result::success )
+ cloned=ptr;
+ }
+ BOOST_ASSERT(result!=clone_current_exception_result::success || cloned);
+ return result;
+ }
+ }
+ }
+
+#else
+
+//On all other compilers, return clone_current_exception_result::not_supported.
+//On such platforms, only the intrusive enable_current_exception() cloning will work.
+
+#include <boost/config.hpp>
+
+namespace
+boost
+ {
+ namespace
+ exception_detail
+ {
+ int
+ clone_current_exception_non_intrusive( clone_base const * & )
+ {
+ return clone_current_exception_result::not_supported;
+ }
+ }
+ }
+
+#endif