92 lines
3.7 KiB
C
92 lines
3.7 KiB
C
/*
|
|
* This file is part of the Micro Python project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2013, 2014 Damien P. George
|
|
* Copyright (c) 2015 Daniel Campora
|
|
*
|
|
* 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 <string.h>
|
|
|
|
#include "py/mpstate.h"
|
|
#include "mpexception.h"
|
|
|
|
|
|
/******************************************************************************
|
|
DECLARE PRIVATE FUNCTIONS
|
|
******************************************************************************/
|
|
STATIC void mpexception_set_user_interrupt (int chr, void *data);
|
|
|
|
/******************************************************************************
|
|
DECLARE EXPORTED DATA
|
|
******************************************************************************/
|
|
const char mpexception_value_invalid_arguments[] = "invalid argument(s) value";
|
|
const char mpexception_num_type_invalid_arguments[] = "invalid argument(s) num/type";
|
|
const char mpexception_uncaught[] = "uncaught exception";
|
|
|
|
int user_interrupt_char = -1;
|
|
|
|
/******************************************************************************
|
|
DECLARE PRIVATE DATA
|
|
******************************************************************************/
|
|
STATIC void *user_interrupt_data = NULL;
|
|
|
|
/******************************************************************************
|
|
DEFINE PUBLIC FUNCTIONS
|
|
******************************************************************************/
|
|
|
|
void mpexception_init0 (void) {
|
|
// Create an exception object for interrupting through the stdin uart
|
|
MP_STATE_PORT(mp_const_user_interrupt) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
|
|
mpexception_set_user_interrupt (-1, MP_STATE_PORT(mp_const_user_interrupt));
|
|
}
|
|
|
|
void mpexception_set_interrupt_char (int c) {
|
|
if (c != -1) {
|
|
mp_obj_exception_clear_traceback(MP_STATE_PORT(mp_const_user_interrupt));
|
|
}
|
|
mpexception_set_user_interrupt(c, MP_STATE_PORT(mp_const_user_interrupt));
|
|
}
|
|
|
|
// Call this function to raise a pending exception during an interrupt.
|
|
// It will try to raise the exception "softly" by setting the
|
|
// mp_pending_exception variable hoping that the VM will notice it.
|
|
void mpexception_nlr_jump (void *o) {
|
|
if (MP_STATE_PORT(mp_pending_exception) == MP_OBJ_NULL) {
|
|
MP_STATE_PORT(mp_pending_exception) = o;
|
|
}
|
|
}
|
|
|
|
void mpexception_keyboard_nlr_jump (void) {
|
|
mpexception_nlr_jump (user_interrupt_data);
|
|
}
|
|
|
|
/******************************************************************************
|
|
DEFINE PRIVATE FUNCTIONS
|
|
******************************************************************************/
|
|
|
|
STATIC void mpexception_set_user_interrupt (int chr, void *data) {
|
|
user_interrupt_char = chr;
|
|
user_interrupt_data = data;
|
|
}
|