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Unified Diff: third_party/boost/boost/type_traits/alignment_of.hpp

Issue 113163: Add gmock into our dependencies. (Closed)
Patch Set: Making gmock work with windows. Requires adding boost. Created 11 years, 7 months ago
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Index: third_party/boost/boost/type_traits/alignment_of.hpp
diff --git a/third_party/boost/boost/type_traits/alignment_of.hpp b/third_party/boost/boost/type_traits/alignment_of.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..9739f140fe13388cc29d7edd344477d44778d80e
--- /dev/null
+++ b/third_party/boost/boost/type_traits/alignment_of.hpp
@@ -0,0 +1,117 @@
+
+// (C) Copyright John Maddock 2000.
+// Use, modification and distribution are subject to 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/type_traits for most recent version including documentation.
+
+#ifndef BOOST_TT_ALIGNMENT_OF_HPP_INCLUDED
+#define BOOST_TT_ALIGNMENT_OF_HPP_INCLUDED
+
+#include <boost/config.hpp>
+#include <cstddef>
+
+#include <boost/type_traits/intrinsics.hpp>
+// should be the last #include
+#include <boost/type_traits/detail/size_t_trait_def.hpp>
+
+#ifdef BOOST_MSVC
+# pragma warning(push)
+# pragma warning(disable: 4121 4512) // alignment is sensitive to packing
+#endif
+#if defined(__BORLANDC__) && (__BORLANDC__ < 0x600)
+#pragma option push -Vx- -Ve-
+#endif
+
+namespace boost {
+
+template <typename T> struct alignment_of;
+
+// get the alignment of some arbitrary type:
+namespace detail {
+
+#ifdef BOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable:4324) // structure was padded due to __declspec(align())
+#endif
+template <typename T>
+struct alignment_of_hack
+{
+ char c;
+ T t;
+ alignment_of_hack();
+};
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif
+
+template <unsigned A, unsigned S>
+struct alignment_logic
+{
+ BOOST_STATIC_CONSTANT(std::size_t, value = A < S ? A : S);
+};
+
+
+template< typename T >
+struct alignment_of_impl
+{
+#ifndef BOOST_ALIGNMENT_OF
+ BOOST_STATIC_CONSTANT(std::size_t, value =
+ (::boost::detail::alignment_logic<
+ sizeof(::boost::detail::alignment_of_hack<T>) - sizeof(T),
+ sizeof(T)
+ >::value));
+#else
+ //
+ // We put this here, rather than in the definition of
+ // alignment_of below, because MSVC's __alignof doesn't
+ // always work in that context for some unexplained reason.
+ // (See type_with_alignment tests for test cases).
+ //
+ BOOST_STATIC_CONSTANT(std::size_t, value = BOOST_ALIGNMENT_OF(T));
+#endif
+};
+
+} // namespace detail
+
+BOOST_TT_AUX_SIZE_T_TRAIT_DEF1(alignment_of,T,::boost::detail::alignment_of_impl<T>::value)
+
+// references have to be treated specially, assume
+// that a reference is just a special pointer:
+#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+template <typename T>
+struct alignment_of<T&>
+ : alignment_of<T*>
+{
+};
+#endif
+#ifdef __BORLANDC__
+// long double gives an incorrect value of 10 (!)
+// unless we do this...
+struct long_double_wrapper{ long double ld; };
+template<> struct alignment_of<long double>
+ : public alignment_of<long_double_wrapper>{};
+#endif
+
+// void has to be treated specially:
+BOOST_TT_AUX_SIZE_T_TRAIT_SPEC1(alignment_of,void,0)
+#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
+BOOST_TT_AUX_SIZE_T_TRAIT_SPEC1(alignment_of,void const,0)
+BOOST_TT_AUX_SIZE_T_TRAIT_SPEC1(alignment_of,void volatile,0)
+BOOST_TT_AUX_SIZE_T_TRAIT_SPEC1(alignment_of,void const volatile,0)
+#endif
+
+} // namespace boost
+
+#if defined(__BORLANDC__) && (__BORLANDC__ < 0x600)
+#pragma option pop
+#endif
+#ifdef BOOST_MSVC
+# pragma warning(pop)
+#endif
+
+#include <boost/type_traits/detail/size_t_trait_undef.hpp>
+
+#endif // BOOST_TT_ALIGNMENT_OF_HPP_INCLUDED
+
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