1 files changed, 78 insertions, 0 deletions
diff --git a/circuitpython/shared-bindings/memorymonitor/__init__.c b/circuitpython/shared-bindings/memorymonitor/__init__.c
new file mode 100644
index 0000000..64a3a6a
--- /dev/null
+++ b/circuitpython/shared-bindings/memorymonitor/__init__.c
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Scott Shawcroft
+ *
+ * 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.
+ */
+
+#include <stdint.h>
+
+#include "py/obj.h"
+#include "py/runtime.h"
+
+#include "shared-bindings/memorymonitor/__init__.h"
+#include "shared-bindings/memorymonitor/AllocationAlarm.h"
+#include "shared-bindings/memorymonitor/AllocationSize.h"
+
+//| """Memory monitoring helpers"""
+//|
+
+//| class AllocationError(Exception):
+//|     """Catchall exception for allocation related errors."""
+//|     ...
+MP_DEFINE_MEMORYMONITOR_EXCEPTION(AllocationError, Exception)
+
+NORETURN void mp_raise_memorymonitor_AllocationError(const compressed_string_t *fmt, ...) {
+    va_list argptr;
+    va_start(argptr,fmt);
+    mp_obj_t exception = mp_obj_new_exception_msg_vlist(&mp_type_memorymonitor_AllocationError, fmt, argptr);
+    va_end(argptr);
+    nlr_raise(exception);
+}
+
+STATIC const mp_rom_map_elem_t memorymonitor_module_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_memorymonitor) },
+    { MP_ROM_QSTR(MP_QSTR_AllocationAlarm), MP_ROM_PTR(&memorymonitor_allocationalarm_type) },
+    { MP_ROM_QSTR(MP_QSTR_AllocationSize), MP_ROM_PTR(&memorymonitor_allocationsize_type) },
+
+    // Errors
+    { MP_ROM_QSTR(MP_QSTR_AllocationError),      MP_ROM_PTR(&mp_type_memorymonitor_AllocationError) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(memorymonitor_module_globals, memorymonitor_module_globals_table);
+
+void memorymonitor_exception_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
+    mp_print_kind_t k = kind & ~PRINT_EXC_SUBCLASS;
+    bool is_subclass = kind & PRINT_EXC_SUBCLASS;
+    if (!is_subclass && (k == PRINT_EXC)) {
+        mp_print_str(print, qstr_str(MP_OBJ_QSTR_VALUE(memorymonitor_module_globals_table[0].value)));
+        mp_print_str(print, ".");
+    }
+    mp_obj_exception_print(print, o_in, kind);
+}
+
+const mp_obj_module_t memorymonitor_module = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t *)&memorymonitor_module_globals,
+};
+
+MP_REGISTER_MODULE(MP_QSTR_memorymonitor, memorymonitor_module, CIRCUITPY_MEMORYMONITOR);