Added boost header
This commit is contained in:
Christophe Riccio
388
test/external/boost/python/detail/defaults_gen.hpp
vendored
Normal file
388
test/external/boost/python/detail/defaults_gen.hpp
vendored
Normal file
@@ -0,0 +1,388 @@
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Copyright David Abrahams 2002, Joel de Guzman, 2002.
|
||||
// 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)
|
||||
//
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
#ifndef DEFAULTS_GEN_JDG20020807_HPP
|
||||
#define DEFAULTS_GEN_JDG20020807_HPP
|
||||
|
||||
#include <boost/python/detail/preprocessor.hpp>
|
||||
#include <boost/preprocessor/repeat.hpp>
|
||||
#include <boost/preprocessor/repeat_from_to.hpp>
|
||||
#include <boost/preprocessor/enum.hpp>
|
||||
#include <boost/preprocessor/enum_params.hpp>
|
||||
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
|
||||
#include <boost/preprocessor/tuple.hpp>
|
||||
#include <boost/preprocessor/cat.hpp>
|
||||
#include <boost/preprocessor/arithmetic/sub.hpp>
|
||||
#include <boost/preprocessor/stringize.hpp>
|
||||
#include <boost/preprocessor/inc.hpp>
|
||||
#include <boost/preprocessor/empty.hpp>
|
||||
#include <boost/preprocessor/comma_if.hpp>
|
||||
#include <boost/config.hpp>
|
||||
#include <boost/mpl/begin_end.hpp>
|
||||
#include <boost/mpl/next.hpp>
|
||||
#include <boost/mpl/deref.hpp>
|
||||
#include <cstddef>
|
||||
|
||||
namespace boost { namespace python {
|
||||
|
||||
namespace detail
|
||||
{
|
||||
// overloads_base is used as a base class for all function
|
||||
// stubs. This class holds the doc_string of the stubs.
|
||||
struct overloads_base
|
||||
{
|
||||
overloads_base(char const* doc_)
|
||||
: m_doc(doc_) {}
|
||||
|
||||
overloads_base(char const* doc_, detail::keyword_range const& kw)
|
||||
: m_doc(doc_), m_keywords(kw) {}
|
||||
|
||||
char const* doc_string() const
|
||||
{
|
||||
return m_doc;
|
||||
}
|
||||
|
||||
detail::keyword_range const& keywords() const
|
||||
{
|
||||
return m_keywords;
|
||||
}
|
||||
|
||||
private:
|
||||
char const* m_doc;
|
||||
detail::keyword_range m_keywords;
|
||||
};
|
||||
|
||||
// overloads_proxy is generated by the overloads_common operator[] (see
|
||||
// below). This class holds a user defined call policies of the stubs.
|
||||
template <class CallPoliciesT, class OverloadsT>
|
||||
struct overloads_proxy
|
||||
: public overloads_base
|
||||
{
|
||||
typedef typename OverloadsT::non_void_return_type non_void_return_type;
|
||||
typedef typename OverloadsT::void_return_type void_return_type;
|
||||
|
||||
overloads_proxy(
|
||||
CallPoliciesT const& policies_
|
||||
, char const* doc
|
||||
, keyword_range const& kw
|
||||
)
|
||||
: overloads_base(doc, kw)
|
||||
, policies(policies_)
|
||||
{}
|
||||
|
||||
CallPoliciesT
|
||||
call_policies() const
|
||||
{
|
||||
return policies;
|
||||
}
|
||||
|
||||
CallPoliciesT policies;
|
||||
};
|
||||
|
||||
// overloads_common is our default function stubs base class. This
|
||||
// class returns the default_call_policies in its call_policies()
|
||||
// member function. It can generate a overloads_proxy however through
|
||||
// its operator[]
|
||||
template <class DerivedT>
|
||||
struct overloads_common
|
||||
: public overloads_base
|
||||
{
|
||||
overloads_common(char const* doc)
|
||||
: overloads_base(doc) {}
|
||||
|
||||
overloads_common(char const* doc, keyword_range const& kw)
|
||||
: overloads_base(doc, kw) {}
|
||||
|
||||
default_call_policies
|
||||
call_policies() const
|
||||
{
|
||||
return default_call_policies();
|
||||
}
|
||||
|
||||
template <class CallPoliciesT>
|
||||
overloads_proxy<CallPoliciesT, DerivedT>
|
||||
operator[](CallPoliciesT const& policies) const
|
||||
{
|
||||
return overloads_proxy<CallPoliciesT, DerivedT>(
|
||||
policies, this->doc_string(), this->keywords());
|
||||
}
|
||||
};
|
||||
|
||||
}}} // namespace boost::python::detail
|
||||
|
||||
|
||||
#define BOOST_PYTHON_TYPEDEF_GEN(z, index, data) \
|
||||
typedef typename ::boost::mpl::next<BOOST_PP_CAT(iter, index)>::type \
|
||||
BOOST_PP_CAT(iter, BOOST_PP_INC(index)); \
|
||||
typedef typename ::boost::mpl::deref<BOOST_PP_CAT(iter, index)>::type \
|
||||
BOOST_PP_CAT(T, index);
|
||||
|
||||
#define BOOST_PYTHON_FUNC_WRAPPER_GEN(z, index, data) \
|
||||
static RT BOOST_PP_CAT(func_, \
|
||||
BOOST_PP_SUB_D(1, index, BOOST_PP_TUPLE_ELEM(3, 1, data))) ( \
|
||||
BOOST_PP_ENUM_BINARY_PARAMS_Z( \
|
||||
1, index, T, arg)) \
|
||||
{ \
|
||||
BOOST_PP_TUPLE_ELEM(3, 2, data) \
|
||||
BOOST_PP_TUPLE_ELEM(3, 0, data)( \
|
||||
BOOST_PP_ENUM_PARAMS( \
|
||||
index, \
|
||||
arg)); \
|
||||
}
|
||||
|
||||
#define BOOST_PYTHON_GEN_FUNCTION(fname, fstubs_name, n_args, n_dflts, ret) \
|
||||
struct fstubs_name \
|
||||
{ \
|
||||
BOOST_STATIC_CONSTANT(int, n_funcs = BOOST_PP_INC(n_dflts)); \
|
||||
BOOST_STATIC_CONSTANT(int, max_args = n_funcs); \
|
||||
\
|
||||
template <typename SigT> \
|
||||
struct gen \
|
||||
{ \
|
||||
typedef typename ::boost::mpl::begin<SigT>::type rt_iter; \
|
||||
typedef typename ::boost::mpl::deref<rt_iter>::type RT; \
|
||||
typedef typename ::boost::mpl::next<rt_iter>::type iter0; \
|
||||
\
|
||||
BOOST_PP_REPEAT_2ND( \
|
||||
n_args, \
|
||||
BOOST_PYTHON_TYPEDEF_GEN, \
|
||||
0) \
|
||||
\
|
||||
BOOST_PP_REPEAT_FROM_TO_2( \
|
||||
BOOST_PP_SUB_D(1, n_args, n_dflts), \
|
||||
BOOST_PP_INC(n_args), \
|
||||
BOOST_PYTHON_FUNC_WRAPPER_GEN, \
|
||||
(fname, BOOST_PP_SUB_D(1, n_args, n_dflts), ret)) \
|
||||
}; \
|
||||
}; \
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
#define BOOST_PYTHON_MEM_FUNC_WRAPPER_GEN(z, index, data) \
|
||||
static RT BOOST_PP_CAT(func_, \
|
||||
BOOST_PP_SUB_D(1, index, BOOST_PP_TUPLE_ELEM(3, 1, data))) ( \
|
||||
ClassT obj BOOST_PP_COMMA_IF(index) \
|
||||
BOOST_PP_ENUM_BINARY_PARAMS_Z(1, index, T, arg) \
|
||||
) \
|
||||
{ \
|
||||
BOOST_PP_TUPLE_ELEM(3, 2, data) obj.BOOST_PP_TUPLE_ELEM(3, 0, data)( \
|
||||
BOOST_PP_ENUM_PARAMS(index, arg) \
|
||||
); \
|
||||
}
|
||||
|
||||
#define BOOST_PYTHON_GEN_MEM_FUNCTION(fname, fstubs_name, n_args, n_dflts, ret) \
|
||||
struct fstubs_name \
|
||||
{ \
|
||||
BOOST_STATIC_CONSTANT(int, n_funcs = BOOST_PP_INC(n_dflts)); \
|
||||
BOOST_STATIC_CONSTANT(int, max_args = n_funcs + 1); \
|
||||
\
|
||||
template <typename SigT> \
|
||||
struct gen \
|
||||
{ \
|
||||
typedef typename ::boost::mpl::begin<SigT>::type rt_iter; \
|
||||
typedef typename ::boost::mpl::deref<rt_iter>::type RT; \
|
||||
\
|
||||
typedef typename ::boost::mpl::next<rt_iter>::type class_iter; \
|
||||
typedef typename ::boost::mpl::deref<class_iter>::type ClassT; \
|
||||
typedef typename ::boost::mpl::next<class_iter>::type iter0; \
|
||||
\
|
||||
BOOST_PP_REPEAT_2ND( \
|
||||
n_args, \
|
||||
BOOST_PYTHON_TYPEDEF_GEN, \
|
||||
0) \
|
||||
\
|
||||
BOOST_PP_REPEAT_FROM_TO_2( \
|
||||
BOOST_PP_SUB_D(1, n_args, n_dflts), \
|
||||
BOOST_PP_INC(n_args), \
|
||||
BOOST_PYTHON_MEM_FUNC_WRAPPER_GEN, \
|
||||
(fname, BOOST_PP_SUB_D(1, n_args, n_dflts), ret)) \
|
||||
}; \
|
||||
};
|
||||
|
||||
#define BOOST_PYTHON_OVERLOAD_CONSTRUCTORS(fstubs_name, n_args, n_dflts) \
|
||||
fstubs_name(char const* doc = 0) \
|
||||
: ::boost::python::detail::overloads_common<fstubs_name>(doc) {} \
|
||||
template <std::size_t N> \
|
||||
fstubs_name(char const* doc, ::boost::python::detail::keywords<N> const& keywords) \
|
||||
: ::boost::python::detail::overloads_common<fstubs_name>( \
|
||||
doc, keywords.range()) \
|
||||
{ \
|
||||
typedef typename ::boost::python::detail:: \
|
||||
error::more_keywords_than_function_arguments< \
|
||||
N,n_args>::too_many_keywords assertion; \
|
||||
} \
|
||||
template <std::size_t N> \
|
||||
fstubs_name(::boost::python::detail::keywords<N> const& keywords, char const* doc = 0) \
|
||||
: ::boost::python::detail::overloads_common<fstubs_name>( \
|
||||
doc, keywords.range()) \
|
||||
{ \
|
||||
typedef typename ::boost::python::detail:: \
|
||||
error::more_keywords_than_function_arguments< \
|
||||
N,n_args>::too_many_keywords assertion; \
|
||||
}
|
||||
|
||||
# if defined(BOOST_NO_VOID_RETURNS)
|
||||
|
||||
# define BOOST_PYTHON_GEN_FUNCTION_STUB(fname, fstubs_name, n_args, n_dflts) \
|
||||
struct fstubs_name \
|
||||
: public ::boost::python::detail::overloads_common<fstubs_name> \
|
||||
{ \
|
||||
BOOST_PYTHON_GEN_FUNCTION( \
|
||||
fname, non_void_return_type, n_args, n_dflts, return) \
|
||||
BOOST_PYTHON_GEN_FUNCTION( \
|
||||
fname, void_return_type, n_args, n_dflts, ;) \
|
||||
\
|
||||
BOOST_PYTHON_OVERLOAD_CONSTRUCTORS(fstubs_name, n_args, n_dflts) \
|
||||
};
|
||||
|
||||
# define BOOST_PYTHON_GEN_MEM_FUNCTION_STUB(fname, fstubs_name, n_args, n_dflts) \
|
||||
struct fstubs_name \
|
||||
: public ::boost::python::detail::overloads_common<fstubs_name> \
|
||||
{ \
|
||||
BOOST_PYTHON_GEN_MEM_FUNCTION( \
|
||||
fname, non_void_return_type, n_args, n_dflts, return) \
|
||||
BOOST_PYTHON_GEN_MEM_FUNCTION( \
|
||||
fname, void_return_type, n_args, n_dflts, ;) \
|
||||
\
|
||||
BOOST_PYTHON_OVERLOAD_CONSTRUCTORS(fstubs_name, n_args + 1, n_dflts) \
|
||||
};
|
||||
|
||||
# else // !defined(BOOST_NO_VOID_RETURNS)
|
||||
|
||||
# define BOOST_PYTHON_GEN_FUNCTION_STUB(fname, fstubs_name, n_args, n_dflts) \
|
||||
struct fstubs_name \
|
||||
: public ::boost::python::detail::overloads_common<fstubs_name> \
|
||||
{ \
|
||||
BOOST_PYTHON_GEN_FUNCTION( \
|
||||
fname, non_void_return_type, n_args, n_dflts, return) \
|
||||
\
|
||||
typedef non_void_return_type void_return_type; \
|
||||
BOOST_PYTHON_OVERLOAD_CONSTRUCTORS(fstubs_name, n_args, n_dflts) \
|
||||
};
|
||||
|
||||
|
||||
# define BOOST_PYTHON_GEN_MEM_FUNCTION_STUB(fname, fstubs_name, n_args, n_dflts) \
|
||||
struct fstubs_name \
|
||||
: public ::boost::python::detail::overloads_common<fstubs_name> \
|
||||
{ \
|
||||
BOOST_PYTHON_GEN_MEM_FUNCTION( \
|
||||
fname, non_void_return_type, n_args, n_dflts, return) \
|
||||
\
|
||||
typedef non_void_return_type void_return_type; \
|
||||
BOOST_PYTHON_OVERLOAD_CONSTRUCTORS(fstubs_name, n_args + 1, n_dflts) \
|
||||
};
|
||||
|
||||
# endif // !defined(BOOST_NO_VOID_RETURNS)
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// MAIN MACROS
|
||||
//
|
||||
// Given generator_name, fname, min_args and max_args, These macros
|
||||
// generate function stubs that forward to a function or member function
|
||||
// named fname. max_args is the arity of the function or member function
|
||||
// fname. fname can have default arguments. min_args is the minimum
|
||||
// arity that fname can accept.
|
||||
//
|
||||
// There are two versions:
|
||||
//
|
||||
// 1. BOOST_PYTHON_FUNCTION_OVERLOADS for free functions
|
||||
// 2. BOOST_PYTHON_MEMBER_FUNCTION_OVERLOADS for member functions.
|
||||
//
|
||||
// For instance, given a function:
|
||||
//
|
||||
// int
|
||||
// foo(int a, char b = 1, unsigned c = 2, double d = 3)
|
||||
// {
|
||||
// return a + b + c + int(d);
|
||||
// }
|
||||
//
|
||||
// The macro invocation:
|
||||
//
|
||||
// BOOST_PYTHON_FUNCTION_OVERLOADS(foo_stubs, foo, 1, 4)
|
||||
//
|
||||
// Generates this code:
|
||||
//
|
||||
// struct foo_stubsNonVoid
|
||||
// {
|
||||
// static const int n_funcs = 4;
|
||||
// static const int max_args = n_funcs;
|
||||
//
|
||||
// template <typename SigT>
|
||||
// struct gen
|
||||
// {
|
||||
// typedef typename ::boost::mpl::begin<SigT>::type rt_iter;
|
||||
// typedef typename rt_iter::type RT;
|
||||
// typedef typename rt_iter::next iter0;
|
||||
// typedef typename iter0::type T0;
|
||||
// typedef typename iter0::next iter1;
|
||||
// typedef typename iter1::type T1;
|
||||
// typedef typename iter1::next iter2;
|
||||
// typedef typename iter2::type T2;
|
||||
// typedef typename iter2::next iter3;
|
||||
// typedef typename iter3::type T3;
|
||||
// typedef typename iter3::next iter4;
|
||||
//
|
||||
// static RT func_0(T0 arg0)
|
||||
// { return foo(arg0); }
|
||||
//
|
||||
// static RT func_1(T0 arg0, T1 arg1)
|
||||
// { return foo(arg0, arg1); }
|
||||
//
|
||||
// static RT func_2(T0 arg0, T1 arg1, T2 arg2)
|
||||
// { return foo(arg0, arg1, arg2); }
|
||||
//
|
||||
// static RT func_3(T0 arg0, T1 arg1, T2 arg2, T3 arg3)
|
||||
// { return foo(arg0, arg1, arg2, arg3); }
|
||||
// };
|
||||
// };
|
||||
//
|
||||
// struct foo_overloads
|
||||
// : public boost::python::detail::overloads_common<foo_overloads>
|
||||
// {
|
||||
// typedef foo_overloadsNonVoid non_void_return_type;
|
||||
// typedef foo_overloadsNonVoid void_return_type;
|
||||
//
|
||||
// foo_overloads(char const* doc = 0)
|
||||
// : boost::python::detail::overloads_common<foo_overloads>(doc) {}
|
||||
// };
|
||||
//
|
||||
// The typedefs non_void_return_type and void_return_type are
|
||||
// used to handle compilers that do not support void returns. The
|
||||
// example above typedefs non_void_return_type and
|
||||
// void_return_type to foo_overloadsNonVoid. On compilers that do
|
||||
// not support void returns, there are two versions:
|
||||
// foo_overloadsNonVoid and foo_overloadsVoid. The "Void"
|
||||
// version is almost identical to the "NonVoid" version except
|
||||
// for the return type (void) and the lack of the return keyword.
|
||||
//
|
||||
// See the overloads_common above for a description of the
|
||||
// foo_overloads' base class.
|
||||
//
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
#define BOOST_PYTHON_FUNCTION_OVERLOADS(generator_name, fname, min_args, max_args) \
|
||||
BOOST_PYTHON_GEN_FUNCTION_STUB( \
|
||||
fname, \
|
||||
generator_name, \
|
||||
max_args, \
|
||||
BOOST_PP_SUB_D(1, max_args, min_args))
|
||||
|
||||
#define BOOST_PYTHON_MEMBER_FUNCTION_OVERLOADS(generator_name, fname, min_args, max_args) \
|
||||
BOOST_PYTHON_GEN_MEM_FUNCTION_STUB( \
|
||||
fname, \
|
||||
generator_name, \
|
||||
max_args, \
|
||||
BOOST_PP_SUB_D(1, max_args, min_args))
|
||||
|
||||
// deprecated macro names (to be removed)
|
||||
#define BOOST_PYTHON_FUNCTION_GENERATOR BOOST_PYTHON_FUNCTION_OVERLOADS
|
||||
#define BOOST_PYTHON_MEM_FUN_GENERATOR BOOST_PYTHON_MEMBER_FUNCTION_OVERLOADS
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
#endif // DEFAULTS_GEN_JDG20020807_HPP
|
||||
|
||||
|
||||
Reference in New Issue
Block a user