circuitpython/shared-bindings/ustack/__init__.c
2024-05-20 11:02:17 -04:00

69 lines
2.1 KiB
C

// This file is part of the CircuitPython project: https://circuitpython.org
//
// SPDX-FileCopyrightText: Copyright (c) 2017 Dan Halbert for Adafruit Industries
//
// SPDX-License-Identifier: MIT
#include <stdint.h>
#include "py/obj.h"
#include "py/runtime.h"
#include "shared-bindings/ustack/__init__.h"
//| """Stack information and analysis"""
//|
#if MICROPY_MAX_STACK_USAGE
//| def max_stack_usage() -> int:
//| """Return the maximum excursion of the stack so far."""
//| ...
//|
static mp_obj_t max_stack_usage(void) {
return MP_OBJ_NEW_SMALL_INT(shared_module_ustack_max_stack_usage());
}
static MP_DEFINE_CONST_FUN_OBJ_0(max_stack_usage_obj, max_stack_usage);
#endif // MICROPY_MAX_STACK_USAGE
//| def stack_size() -> int:
//| """Return the size of the entire stack.
//| Same as in micropython.mem_info(), but returns a value instead
//| of just printing it."""
//| ...
//|
static mp_obj_t stack_size(void) {
return MP_OBJ_NEW_SMALL_INT(shared_module_ustack_stack_size());
}
static MP_DEFINE_CONST_FUN_OBJ_0(stack_size_obj, stack_size);
//| def stack_usage() -> int:
//| """Return how much stack is currently in use.
//| Same as micropython.stack_use(); duplicated here for convenience."""
//| ...
//|
static mp_obj_t stack_usage(void) {
return MP_OBJ_NEW_SMALL_INT(shared_module_ustack_stack_usage());
}
static MP_DEFINE_CONST_FUN_OBJ_0(stack_usage_obj, stack_usage);
static const mp_rom_map_elem_t ustack_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_ustack) },
#if MICROPY_MAX_STACK_USAGE
{ MP_ROM_QSTR(MP_QSTR_max_stack_usage), MP_ROM_PTR(&max_stack_usage_obj) },
#endif
{ MP_ROM_QSTR(MP_QSTR_stack_size), MP_ROM_PTR(&stack_size_obj) },
{ MP_ROM_QSTR(MP_QSTR_stack_usage), MP_ROM_PTR(&stack_usage_obj) },
};
static MP_DEFINE_CONST_DICT(ustack_module_globals, ustack_module_globals_table);
const mp_obj_module_t ustack_module = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t *)&ustack_module_globals,
};
MP_REGISTER_MODULE(MP_QSTR_ustack, ustack_module);