1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/python/def.hpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,114 @@
1.4 +// Copyright David Abrahams 2002.
1.5 +// Distributed under the Boost Software License, Version 1.0. (See
1.6 +// accompanying file LICENSE_1_0.txt or copy at
1.7 +// http://www.boost.org/LICENSE_1_0.txt)
1.8 +#ifndef DEF_DWA200292_HPP
1.9 +# define DEF_DWA200292_HPP
1.10 +
1.11 +# include <boost/python/detail/prefix.hpp>
1.12 +
1.13 +# include <boost/python/object_fwd.hpp>
1.14 +# include <boost/python/make_function.hpp>
1.15 +# include <boost/python/detail/def_helper.hpp>
1.16 +# include <boost/python/detail/overloads_fwd.hpp>
1.17 +# include <boost/python/scope.hpp>
1.18 +# include <boost/python/signature.hpp>
1.19 +# include <boost/python/detail/scope.hpp>
1.20 +
1.21 +namespace boost { namespace python {
1.22 +
1.23 +namespace detail
1.24 +{
1.25 + namespace error
1.26 + {
1.27 + // Compile-time error messages
1.28 + template <bool> struct multiple_functions_passed_to_def;
1.29 + template <> struct multiple_functions_passed_to_def<false> { typedef char type; };
1.30 + }
1.31 +
1.32 + //
1.33 + // def_from_helper --
1.34 + //
1.35 + // Use a def_helper to define a regular wrapped function in the current scope.
1.36 + template <class F, class Helper>
1.37 + void def_from_helper(
1.38 + char const* name, F const& fn, Helper const& helper)
1.39 + {
1.40 + // Must not try to use default implementations except with method definitions.
1.41 + typedef typename error::multiple_functions_passed_to_def<
1.42 + Helper::has_default_implementation
1.43 + >::type assertion;
1.44 +
1.45 + detail::scope_setattr_doc(
1.46 + name, boost::python::make_function(
1.47 + fn
1.48 + , helper.policies()
1.49 + , helper.keywords())
1.50 + , helper.doc()
1.51 + );
1.52 + }
1.53 +
1.54 + //
1.55 + // These two overloads discriminate between def() as applied to
1.56 + // regular functions and def() as applied to the result of
1.57 + // BOOST_PYTHON_FUNCTION_OVERLOADS(). The final argument is used to
1.58 + // discriminate.
1.59 + //
1.60 + template <class Fn, class A1>
1.61 + void
1.62 + def_maybe_overloads(
1.63 + char const* name
1.64 + , Fn fn
1.65 + , A1 const& a1
1.66 + , ...)
1.67 + {
1.68 + detail::def_from_helper(name, fn, def_helper<A1>(a1));
1.69 + }
1.70 +
1.71 + template <class StubsT, class SigT>
1.72 + void def_maybe_overloads(
1.73 + char const* name
1.74 + , SigT sig
1.75 + , StubsT const& stubs
1.76 + , detail::overloads_base const*)
1.77 + {
1.78 + scope current;
1.79 +
1.80 + detail::define_with_defaults(
1.81 + name, stubs, current, detail::get_signature(sig));
1.82 + }
1.83 +
1.84 + template <class T>
1.85 + object make_function1(T fn, ...) { return make_function(fn); }
1.86 +
1.87 + inline
1.88 + object make_function1(object const& x, object const*) { return x; }
1.89 +}
1.90 +
1.91 +template <class Fn>
1.92 +void def(char const* name, Fn fn)
1.93 +{
1.94 + detail::scope_setattr_doc(name, detail::make_function1(fn, &fn), 0);
1.95 +}
1.96 +
1.97 +template <class Arg1T, class Arg2T>
1.98 +void def(char const* name, Arg1T arg1, Arg2T const& arg2)
1.99 +{
1.100 + detail::def_maybe_overloads(name, arg1, arg2, &arg2);
1.101 +}
1.102 +
1.103 +template <class F, class A1, class A2>
1.104 +void def(char const* name, F f, A1 const& a1, A2 const& a2)
1.105 +{
1.106 + detail::def_from_helper(name, f, detail::def_helper<A1,A2>(a1,a2));
1.107 +}
1.108 +
1.109 +template <class F, class A1, class A2, class A3>
1.110 +void def(char const* name, F f, A1 const& a1, A2 const& a2, A3 const& a3)
1.111 +{
1.112 + detail::def_from_helper(name, f, detail::def_helper<A1,A2,A3>(a1,a2,a3));
1.113 +}
1.114 +
1.115 +}} // namespace boost::python
1.116 +
1.117 +#endif // DEF_DWA200292_HPP