micropython/ports/bare-arm/main.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2014-2021 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.
*/
#include <string.h>
#include "py/compile.h"
#include "py/runtime.h"
static const char *demo_single_input =
"print('hello world!', list(x + 1 for x in range(10)), end='eol\\n')";
static const char *demo_file_input =
"import micropython\n"
"\n"
"print(dir(micropython))\n"
"\n"
"for i in range(10):\n"
" print('iter {:08}'.format(i))";
static void do_str(const char *src, mp_parse_input_kind_t input_kind) {
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
// Compile, parse and execute the given string.
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
qstr source_name = lex->source_name;
mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
mp_obj_t module_fun = mp_compile(&parse_tree, source_name, true);
mp_call_function_0(module_fun);
nlr_pop();
} else {
// Uncaught exception: print it out.
mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
}
}
// Main entry point: initialise the runtime and execute demo strings.
void bare_main(void) {
mp_init();
do_str(demo_single_input, MP_PARSE_SINGLE_INPUT);
do_str(demo_file_input, MP_PARSE_FILE_INPUT);
mp_deinit();
}
// Called if an exception is raised outside all C exception-catching handlers.
void nlr_jump_fail(void *val) {
for (;;) {
}
}
#ifndef NDEBUG
// Used when debugging is enabled.
void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
for (;;) {
}
}
#endif