1 files changed, 93 insertions, 0 deletions
diff --git a/common/kernel/pybindings.h b/common/kernel/pybindings.h
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+++ 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 */