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Diffstat (limited to '3rdParty/Boost/src/boost/cast.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/cast.hpp | 103 |
1 files changed, 8 insertions, 95 deletions
diff --git a/3rdParty/Boost/src/boost/cast.hpp b/3rdParty/Boost/src/boost/cast.hpp index 2615d18..ab452bd 100644 --- a/3rdParty/Boost/src/boost/cast.hpp +++ b/3rdParty/Boost/src/boost/cast.hpp @@ -1,106 +1,19 @@ -// boost cast.hpp header file ----------------------------------------------// - -// (C) Copyright Kevlin Henney and Dave Abrahams 1999. +// boost cast.hpp header file +// +// (C) Copyright Antony Polukhin 2014. +// // 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) - +// // See http://www.boost.org/libs/conversion for Documentation. -// Revision History -// 23 JUn 05 numeric_cast removed and redirected to the new verion (Fernando Cacciola) -// 02 Apr 01 Removed BOOST_NO_LIMITS workarounds and included -// <boost/limits.hpp> instead (the workaround did not -// actually compile when BOOST_NO_LIMITS was defined in -// any case, so we loose nothing). (John Maddock) -// 21 Jan 01 Undid a bug I introduced yesterday. numeric_cast<> never -// worked with stock GCC; trying to get it to do that broke -// vc-stlport. -// 20 Jan 01 Moved BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS to config.hpp. -// Removed unused BOOST_EXPLICIT_TARGET macro. Moved -// boost::detail::type to boost/type.hpp. Made it compile with -// stock gcc again (Dave Abrahams) -// 29 Nov 00 Remove nested namespace cast, cleanup spacing before Formal -// Review (Beman Dawes) -// 19 Oct 00 Fix numeric_cast for floating-point types (Dave Abrahams) -// 15 Jul 00 Suppress numeric_cast warnings for GCC, Borland and MSVC -// (Dave Abrahams) -// 30 Jun 00 More MSVC6 wordarounds. See comments below. (Dave Abrahams) -// 28 Jun 00 Removed implicit_cast<>. See comment below. (Beman Dawes) -// 27 Jun 00 More MSVC6 workarounds -// 15 Jun 00 Add workarounds for MSVC6 -// 2 Feb 00 Remove bad_numeric_cast ";" syntax error (Doncho Angelov) -// 26 Jan 00 Add missing throw() to bad_numeric_cast::what(0 (Adam Levar) -// 29 Dec 99 Change using declarations so usages in other namespaces work -// correctly (Dave Abrahams) -// 23 Sep 99 Change polymorphic_downcast assert to also detect M.I. errors -// as suggested Darin Adler and improved by Valentin Bonnard. -// 2 Sep 99 Remove controversial asserts, simplify, rename. -// 30 Aug 99 Move to cast.hpp, replace value_cast with numeric_cast, -// place in nested namespace. -// 3 Aug 99 Initial version +// This is a DEPRECATED header file! +// Use <boost/polymorphic_cast.hpp> or <boost/numeric/conversion/cast.hpp> instead #ifndef BOOST_CAST_HPP #define BOOST_CAST_HPP -# include <boost/config.hpp> -# include <boost/assert.hpp> -# include <typeinfo> -# include <boost/type.hpp> -# include <boost/limits.hpp> -# include <boost/detail/select_type.hpp> - -// It has been demonstrated numerous times that MSVC 6.0 fails silently at link -// time if you use a template function which has template parameters that don't -// appear in the function's argument list. -// -// TODO: Add this to config.hpp? -# if defined(BOOST_MSVC) && BOOST_MSVC < 1300 -# define BOOST_EXPLICIT_DEFAULT_TARGET , ::boost::type<Target>* = 0 -# else -# define BOOST_EXPLICIT_DEFAULT_TARGET -# endif - -namespace boost -{ -// See the documentation for descriptions of how to choose between -// static_cast<>, dynamic_cast<>, polymorphic_cast<> and polymorphic_downcast<> - -// polymorphic_cast --------------------------------------------------------// - - // Runtime checked polymorphic downcasts and crosscasts. - // Suggested in The C++ Programming Language, 3rd Ed, Bjarne Stroustrup, - // section 15.8 exercise 1, page 425. - - template <class Target, class Source> - inline Target polymorphic_cast(Source* x BOOST_EXPLICIT_DEFAULT_TARGET) - { - Target tmp = dynamic_cast<Target>(x); - if ( tmp == 0 ) throw std::bad_cast(); - return tmp; - } - -// polymorphic_downcast ----------------------------------------------------// - - // BOOST_ASSERT() checked polymorphic downcast. Crosscasts prohibited. - - // WARNING: Because this cast uses BOOST_ASSERT(), it violates - // the One Definition Rule if used in multiple translation units - // where BOOST_DISABLE_ASSERTS, BOOST_ENABLE_ASSERT_HANDLER - // NDEBUG are defined inconsistently. - - // Contributed by Dave Abrahams - - template <class Target, class Source> - inline Target polymorphic_downcast(Source* x BOOST_EXPLICIT_DEFAULT_TARGET) - { - BOOST_ASSERT( dynamic_cast<Target>(x) == x ); // detect logic error - return static_cast<Target>(x); - } - -# undef BOOST_EXPLICIT_DEFAULT_TARGET - -} // namespace boost - +# include <boost/polymorphic_cast.hpp> # include <boost/numeric/conversion/cast.hpp> |