92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
|
/*
|
||
|
|
* nextpnr -- Next Generation Place and Route
|
||
|
|
*
|
||
|
|
* Copyright (C) 2018 Clifford Wolf <clifford@symbioticeda.com>
|
||
|
|
* Copyright (C) 2018 David Shah <david@symbioticeda.com>
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
||
|
|
* purpose with or without fee is hereby granted, provided that the above
|
||
|
|
* copyright notice and this permission notice appear in all copies.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef PYWRAPPERS_H
|
||
|
|
#define PYWRAPPERS_H
|
||
|
|
|
||
|
|
#include <boost/function_types/function_arity.hpp>
|
||
|
|
#include <boost/function_types/function_type.hpp>
|
||
|
|
#include <boost/function_types/parameter_types.hpp>
|
||
|
|
#include <boost/function_types/result_type.hpp>
|
||
|
|
#include <boost/python.hpp>
|
||
|
|
#include <boost/python/suite/indexing/map_indexing_suite.hpp>
|
||
|
|
#include <boost/python/suite/indexing/vector_indexing_suite.hpp>
|
||
|
|
#include <utility>
|
||
|
|
#include "nextpnr.h"
|
||
|
|
|
||
|
|
NEXTPNR_NAMESPACE_BEGIN
|
||
|
|
|
||
|
|
using namespace boost::python;
|
||
|
|
|
||
|
|
namespace PythonConversion {
|
||
|
|
template <typename T> struct ContextualWrapper
|
||
|
|
{
|
||
|
|
Context *ctx;
|
||
|
|
T base;
|
||
|
|
|
||
|
|
ContextualWrapper(Context *c, T &&x) : ctx(c), base(x){};
|
||
|
|
|
||
|
|
operator T() { return base; };
|
||
|
|
typedef T base_type;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Action options
|
||
|
|
class do_nothing
|
||
|
|
{
|
||
|
|
template <typename T> T operator()(Context *ctx, T x) { return x; }
|
||
|
|
|
||
|
|
template <typename T> using ret_type = T;
|
||
|
|
template <typename T> using arg_type = T;
|
||
|
|
};
|
||
|
|
|
||
|
|
class wrap_context
|
||
|
|
{
|
||
|
|
template <typename T> ContextualWrapper<T> operator()(Context *ctx, T x) { return ContextualWrapper<T>(ctx, x); }
|
||
|
|
|
||
|
|
template <typename T> using ret_type = ContextualWrapper<T>;
|
||
|
|
};
|
||
|
|
|
||
|
|
class unwrap_context
|
||
|
|
{
|
||
|
|
template <typename T> T operator()(Context *ctx, ContextualWrapper<T> x) { return x.base; }
|
||
|
|
|
||
|
|
template <typename T> using arg_type = ContextualWrapper<T>;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Function wrapper
|
||
|
|
// Example: one parameter, one return
|
||
|
|
template <typename Class, typename FuncT, FuncT fn, typename rv_conv, typename arg1_conv> struct function_wrapper
|
||
|
|
{
|
||
|
|
using result_type = typename boost::function_types::result_type<FuncT>::type;
|
||
|
|
using arg1_type = typename boost::mpl::at_c<boost::function_types::parameter_types<FuncT>, 1>::type;
|
||
|
|
using class_type = ContextualWrapper<Class>;
|
||
|
|
|
||
|
|
static typename rv_conv::ret_type wrapped_fn(class_type &cls, typename arg1_conv::arg_type arg1)
|
||
|
|
{
|
||
|
|
return rv_conv()(cls.ctx, cls.base.*fn(arg1_conv()(cls.ctx, arg1)));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace PythonConversion
|
||
|
|
|
||
|
|
NEXTPNR_NAMESPACE_END
|
||
|
|
|
||
|
|
#endif
|