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Added support for CallPolicies.

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[SVN r34475]
This commit is contained in:
Daniel Wallin
2006-07-07 17:39:20 +00:00
committed by Peter Dimov
parent e52def665e
commit edb5b4547e
1 changed files with 73 additions and 23 deletions
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96
include/boost/parameter/python.hpp
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@@ -323,7 +323,29 @@ namespace aux
Def, Specs*, End, End, Invoker*)
{}
template <class Class, class Options = int>
struct not_specified {};
template <class CallPolicies>
struct call_policies_as_options
{
call_policies_as_options(CallPolicies const& call_policies)
: call_policies(call_policies)
{}
CallPolicies const& policies() const
{
return call_policies;
}
char const* doc() const
{
return 0;
}
CallPolicies call_policies;
};
template <class Class, class Options = not_specified>
struct def_class
{
def_class(Class& cl, char const* name, Options options = Options())
@@ -351,7 +373,7 @@ namespace aux
}
template <class F, class Keywords>
void def(F f, Keywords const& keywords, int const*) const
void def(F f, Keywords const& keywords, not_specified const*) const
{
cl.def(name, f, keywords);
}
@@ -373,11 +395,12 @@ namespace aux
Options options;
};
template <class Class>
template <class Class, class CallPolicies = boost::python::default_call_policies>
struct def_init
{
def_init(Class& cl)
def_init(Class& cl, CallPolicies call_policies = CallPolicies())
: cl(cl)
, call_policies(call_policies)
{}
template <class F>
@@ -385,7 +408,7 @@ namespace aux
{
cl.def(
"__init__"
, boost::python::make_constructor(f)
, boost::python::make_constructor(f, call_policies)
);
}
@@ -394,13 +417,12 @@ namespace aux
{
cl.def(
"__init__"
, boost::python::make_constructor(
f, boost::python::default_call_policies(), keywords
)
, boost::python::make_constructor(f, call_policies, keywords)
);
}
Class& cl;
CallPolicies call_policies;
};
struct def_function
@@ -555,15 +577,26 @@ namespace aux
} // namespace aux
template <class Signature>
template <class ParameterSpecs, class CallPolicies = boost::python::default_call_policies>
struct init
: boost::python::def_visitor<init<Signature> >
: boost::python::def_visitor<init<ParameterSpecs, CallPolicies> >
{
init(CallPolicies call_policies = CallPolicies())
: call_policies(call_policies)
{}
template <class CallPolicies1>
init<ParameterSpecs, CallPolicies1>
operator[](CallPolicies1 const& call_policies) const
{
return init<ParameterSpecs, CallPolicies1>(call_policies);
}
template <class Class>
void visit(Class& cl) const
{
typedef typename mpl::transform<
Signature
ParameterSpecs
, aux::make_kw_spec<mpl::_>
, mpl::back_inserter<mpl::vector0<> >
>::type arg_specs;
@@ -576,30 +609,43 @@ struct init
typedef typename mpl::shift_left<mpl::long_<1>, optional_arity>::type upper;
aux::def_combinations(
aux::def_init<Class>(cl)
aux::def_init<Class, CallPolicies>(cl, call_policies)
, (arg_specs*)0
, mpl::long_<0>()
, mpl::long_<upper::value>()
, (aux::make_init_invoker<typename Class::wrapped_type>*)0
);
}
CallPolicies call_policies;
};
template <class Signature>
template <class ParameterSpecs, class CallPolicies = boost::python::default_call_policies>
struct call
: boost::python::def_visitor<call<Signature> >
: boost::python::def_visitor<call<ParameterSpecs, CallPolicies> >
{
call(CallPolicies const& call_policies = CallPolicies())
: call_policies(call_policies)
{}
template <class CallPolicies1>
call<ParameterSpecs, CallPolicies1>
operator[](CallPolicies1 const& call_policies) const
{
return call<ParameterSpecs, CallPolicies1>(call_policies);
}
template <class Class>
void visit(Class& cl) const
{
typedef mpl::iterator_range<
typename mpl::next<
typename mpl::begin<Signature>::type
typename mpl::begin<ParameterSpecs>::type
>::type
, typename mpl::end<Signature>::type
, typename mpl::end<ParameterSpecs>::type
> arg_types;
typedef typename mpl::front<Signature>::type result_type;
typedef typename mpl::front<ParameterSpecs>::type result_type;
typedef typename mpl::transform<
arg_types
@@ -614,31 +660,35 @@ struct call
typedef typename mpl::shift_left<mpl::long_<1>, optional_arity>::type upper;
typedef aux::call_policies_as_options<CallPolicies> options;
aux::def_combinations(
aux::def_class<Class>(cl, "__call__")
aux::def_class<Class, options>(cl, "__call__", options(call_policies))
, (arg_specs*)0
, mpl::long_<0>()
, mpl::long_<upper::value>()
, (aux::make_call_invoker<typename Class::wrapped_type, result_type>*)0
);
}
CallPolicies call_policies;
};
template <class Fwd, class Signature>
template <class Fwd, class ParameterSpecs>
struct function
: boost::python::def_visitor<function<Fwd, Signature> >
: boost::python::def_visitor<function<Fwd, ParameterSpecs> >
{
template <class Class, class Options>
void visit(Class& cl, char const* name, Options const& options) const
{
typedef mpl::iterator_range<
typename mpl::next<
typename mpl::begin<Signature>::type
typename mpl::begin<ParameterSpecs>::type
>::type
, typename mpl::end<Signature>::type
, typename mpl::end<ParameterSpecs>::type
> arg_types;
typedef typename mpl::front<Signature>::type result_type;
typedef typename mpl::front<ParameterSpecs>::type result_type;
typedef typename mpl::transform<
arg_types