add circuitpython code

1 files changed, 59 insertions, 0 deletions

diff --git a/circuitpython/py/objtype.h b/circuitpython/py/objtype.h
new file mode 100644
index 0000000..17b8048
--- /dev/null
+++ b/circuitpython/py/objtype.h
@@ -0,0 +1,59 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * SPDX-FileCopyrightText: Copyright (c) 2013, 2014 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef MICROPY_INCLUDED_PY_OBJTYPE_H
+#define MICROPY_INCLUDED_PY_OBJTYPE_H
+
+#include "py/obj.h"
+
+// instance object
+// creating an instance of a class makes one of these objects
+typedef struct _mp_obj_instance_t {
+    mp_obj_base_t base;
+    mp_map_t members;
+    mp_obj_t subobj[];
+    // TODO maybe cache __getattr__ and __setattr__ for efficient lookup of them
+} mp_obj_instance_t;
+
+void mp_obj_assert_native_inited(mp_obj_t native_object);
+
+#if MICROPY_CPYTHON_COMPAT
+// this is needed for object.__new__
+mp_obj_instance_t *mp_obj_new_instance(const mp_obj_type_t *cls, const mp_obj_type_t **native_base);
+#endif
+
+// these need to be exposed so mp_obj_is_callable can work correctly
+bool mp_obj_instance_is_callable(mp_obj_t self_in);
+mp_obj_t mp_obj_instance_call(mp_obj_t self_in, size_t n_args, size_t n_kw, const mp_obj_t *args);
+
+#define mp_obj_is_instance_type(type) ((type)->make_new == mp_obj_instance_make_new)
+#define mp_obj_is_native_type(type) ((type)->make_new != mp_obj_instance_make_new)
+// this needs to be exposed for the above macros to work correctly
+mp_obj_t mp_obj_instance_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args);
+
+// this needs to be exposed for mp_getiter
+mp_obj_t mp_obj_instance_getiter(mp_obj_t self_in, mp_obj_iter_buf_t *iter_buf);
+
+#endif // MICROPY_INCLUDED_PY_OBJTYPE_H