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annotate DEPENDENCIES/generic/include/boost/python/detail/value_is_xxx.hpp @ 133:4acb5d8d80b6 tip

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Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 // Copyright David Abrahams 2003.
Chris@16 2 // Distributed under the Boost Software License, Version 1.0. (See
Chris@16 3 // accompanying file LICENSE_1_0.txt or copy at
Chris@16 4 // http://www.boost.org/LICENSE_1_0.txt)
Chris@16 5 #ifndef VALUE_IS_XXX_DWA2003224_HPP
Chris@16 6 # define VALUE_IS_XXX_DWA2003224_HPP
Chris@16 7
Chris@16 8 # include <boost/config.hpp>
Chris@16 9 # include <boost/mpl/bool.hpp>
Chris@16 10 # include <boost/preprocessor/enum_params.hpp>
Chris@16 11
Chris@16 12 # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16 13 # include <boost/type_traits/is_reference.hpp>
Chris@16 14 # include <boost/type_traits/add_reference.hpp>
Chris@16 15
Chris@16 16 # define BOOST_PYTHON_VALUE_IS_XXX_DEF(name, qualified_name, nargs) \
Chris@16 17 template <class X_> \
Chris@16 18 struct value_is_##name \
Chris@16 19 { \
Chris@16 20 typedef char yes; \
Chris@16 21 typedef char (&no)[2]; \
Chris@16 22 \
Chris@16 23 static typename add_reference<X_>::type dummy; \
Chris@16 24 \
Chris@16 25 template < BOOST_PP_ENUM_PARAMS_Z(1, nargs, class U) > \
Chris@16 26 static yes test( \
Chris@16 27 qualified_name< BOOST_PP_ENUM_PARAMS_Z(1, nargs, U) > const&, int \
Chris@16 28 ); \
Chris@16 29 \
Chris@16 30 template <class U> \
Chris@16 31 static no test(U&, ...); \
Chris@16 32 \
Chris@16 33 BOOST_STATIC_CONSTANT( \
Chris@16 34 bool, value \
Chris@16 35 = (sizeof(test(dummy, 0)) == sizeof(yes))); \
Chris@16 36 \
Chris@16 37 typedef mpl::bool_<value> type; \
Chris@16 38 };
Chris@16 39
Chris@16 40 # else
Chris@16 41
Chris@16 42 # include <boost/type_traits/remove_reference.hpp>
Chris@16 43 # include <boost/type_traits/remove_cv.hpp>
Chris@16 44 # include <boost/python/detail/is_xxx.hpp>
Chris@16 45
Chris@16 46 # define BOOST_PYTHON_VALUE_IS_XXX_DEF(name, qualified_name, nargs) \
Chris@16 47 template <class X_> \
Chris@16 48 struct value_is_##name \
Chris@16 49 { \
Chris@16 50 BOOST_PYTHON_IS_XXX_DEF(name,qualified_name,nargs) \
Chris@16 51 BOOST_STATIC_CONSTANT(bool, value = is_##name< \
Chris@16 52 typename remove_cv< \
Chris@16 53 typename remove_reference<X_>::type \
Chris@16 54 >::type \
Chris@16 55 >::value); \
Chris@16 56 typedef mpl::bool_<value> type; \
Chris@16 57 \
Chris@16 58 };
Chris@16 59
Chris@16 60 # endif
Chris@16 61
Chris@16 62 #endif // VALUE_IS_XXX_DWA2003224_HPP