diff options
Diffstat (limited to 'common/kernel/pybindings.h')
-rw-r--r-- | common/kernel/pybindings.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/common/kernel/pybindings.h b/common/kernel/pybindings.h new file mode 100644 index 00000000..695441f3 --- /dev/null +++ b/common/kernel/pybindings.h @@ -0,0 +1,93 @@ +/* + * nextpnr -- Next Generation Place and Route + * + * Copyright (C) 2018 Claire Xenia Wolf <claire@yosyshq.com> + * Copyright (C) 2018 gatecat <gatecat@ds0.me> + * + * 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 COMMON_PYBINDINGS_H +#define COMMON_PYBINDINGS_H + +#include <Python.h> +#include <iostream> +#include <pybind11/embed.h> +#include <pybind11/pybind11.h> +#include <stdexcept> +#include <utility> +#include "pycontainers.h" +#include "pywrappers.h" + +#include "nextpnr.h" + +NEXTPNR_NAMESPACE_BEGIN + +namespace py = pybind11; + +std::string parse_python_exception(); + +template <typename Tn> void python_export_global(const char *name, Tn &x) +{ + try { + py::object obj = py::cast(x, py::return_value_policy::reference); + py::module::import("__main__").attr(name) = obj.ptr(); + } catch (pybind11::error_already_set &) { + // Parse and output the exception + std::string perror_str = parse_python_exception(); + std::cout << "Error in Python: " << perror_str << std::endl; + std::terminate(); + } +}; + +void init_python(const char *executable); + +void deinit_python(); + +void execute_python_file(const char *python_file); + +// Defauld IdString conversions +namespace PythonConversion { + +template <> struct string_converter<IdString> +{ + inline IdString from_str(Context *ctx, std::string name) { return ctx->id(name); } + + inline std::string to_str(Context *ctx, IdString id) { return id.str(ctx); } +}; + +template <> struct string_converter<const IdString> +{ + inline IdString from_str(Context *ctx, std::string name) { return ctx->id(name); } + + inline std::string to_str(Context *ctx, IdString id) { return id.str(ctx); } +}; + +template <> struct string_converter<IdStringList> +{ + IdStringList from_str(Context *ctx, std::string name) { return IdStringList::parse(ctx, name); } + std::string to_str(Context *ctx, const IdStringList &id) { return id.str(ctx); } +}; + +template <> struct string_converter<const IdStringList> +{ + IdStringList from_str(Context *ctx, std::string name) { return IdStringList::parse(ctx, name); } + std::string to_str(Context *ctx, const IdStringList &id) { return id.str(ctx); } +}; + +} // namespace PythonConversion + +NEXTPNR_NAMESPACE_END + +#endif /* end of include guard: COMMON_PYBINDINGS_HH */ |