STATIC mp_import_stat_t find_file(const char *file_str, uint file_len, vstr_t *dest) {
#if MICROPY_PY_SYS
// extract the list of paths
mp_uint_t path_num;
mp_obj_t *path_items;
mp_obj_list_get(mp_sys_path, &path_num, &path_items);
if (path_num == 0) {
#endif
// mp_sys_path is empty, so just use the given file name
vstr_add_strn(dest, file_str, file_len);
return stat_dir_or_file(dest);
#if MICROPY_PY_SYS
} else {
// go through each path looking for a directory or file
for (mp_uint_t i = 0; i < path_num; i++) {
vstr_reset(dest);
mp_uint_t p_len;
const char *p = mp_obj_str_get_data(path_items[i], &p_len);
if (p_len > 0) {
vstr_add_strn(dest, p, p_len);
vstr_add_char(dest, PATH_SEP_CHAR);
}
vstr_add_strn(dest, file_str, file_len);
mp_import_stat_t stat = stat_dir_or_file(dest);
if (stat != MP_IMPORT_STAT_NO_EXIST) {
return stat;
}
}
// could not find a directory or file
return MP_IMPORT_STAT_NO_EXIST;
}
#endif
}
// convert a Micro Python object to a sensible value for inline asm
machine_uint_t convert_obj_for_inline_asm(mp_obj_t obj) {
// TODO for byte_array, pass pointer to the array
if (MP_OBJ_IS_SMALL_INT(obj)) {
return MP_OBJ_SMALL_INT_VALUE(obj);
} else if (obj == mp_const_none) {
return 0;
} else if (obj == mp_const_false) {
return 0;
} else if (obj == mp_const_true) {
return 1;
} else if (MP_OBJ_IS_TYPE(obj, &str_type)) {
// pointer to the string (it's probably constant though!)
return (machine_uint_t)qstr_str(mp_obj_str_get(obj));
#if MICROPY_ENABLE_FLOAT
} else if (MP_OBJ_IS_TYPE(obj, &float_type)) {
// convert float to int (could also pass in float registers)
return (machine_int_t)mp_obj_float_get(obj);
#endif
} else if (MP_OBJ_IS_TYPE(obj, &tuple_type)) {
// pointer to start of tuple (could pass length, but then could use len(x) for that)
uint len;
mp_obj_t *items;
mp_obj_tuple_get(obj, &len, &items);
return (machine_uint_t)items;
} else if (MP_OBJ_IS_TYPE(obj, &list_type)) {
// pointer to start of list (could pass length, but then could use len(x) for that)
uint len;
mp_obj_t *items;
mp_obj_list_get(obj, &len, &items);
return (machine_uint_t)items;
} else {
// just pass along a pointer to the object
return (machine_uint_t)obj;
}
}
// method socket.accept()
STATIC mp_obj_t esp_socket_accept(mp_obj_t self_in) {
esp_socket_obj_t *s = self_in;
if (s->connlist == NULL) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError,
"not listening"));
}
do {
mp_uint_t len;
mp_obj_t *items;
mp_obj_list_get(s->connlist, &len, &items);
if (len == 0) {
break;
}
esp_socket_obj_t *rs = items[0];
mp_obj_list_remove(s->connlist, rs);
if (rs->espconn->state != ESPCONN_CLOSE) {
return rs;
}
} while (true);
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError,
"no connection in queue"));
}
void mp_obj_get_array(mp_obj_t o, uint *len, mp_obj_t **items) {
if (MP_OBJ_IS_TYPE(o, &mp_type_tuple)) {
mp_obj_tuple_get(o, len, items);
} else if (MP_OBJ_IS_TYPE(o, &mp_type_list)) {
mp_obj_list_get(o, len, items);
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "object '%s' is not a tuple or list", mp_obj_get_type_str(o)));
}
}
void mp_obj_exception_get_traceback(mp_obj_t self_in, mp_uint_t *n, mp_uint_t **values) {
GET_NATIVE_EXCEPTION(self, self_in);
if (self->traceback == MP_OBJ_NULL) {
*n = 0;
*values = NULL;
} else {
mp_uint_t n2;
mp_obj_list_get(self->traceback, &n2, (mp_obj_t**)values);
*n = n2;
}
}
STATIC void mp_help_print_modules(void) {
mp_obj_t list = mp_obj_new_list(0, NULL);
mp_help_add_from_map(list, &mp_builtin_module_map);
#if MICROPY_MODULE_WEAK_LINKS
mp_help_add_from_map(list, &mp_builtin_module_weak_links_map);
#endif
#if MICROPY_MODULE_FROZEN_STR
extern const char mp_frozen_str_names[];
mp_help_add_from_names(list, mp_frozen_str_names);
#endif
#if MICROPY_MODULE_FROZEN_MPY
extern const char mp_frozen_mpy_names[];
mp_help_add_from_names(list, mp_frozen_mpy_names);
#endif
// sort the list so it's printed in alphabetical order
mp_obj_list_sort(1, &list, (mp_map_t*)&mp_const_empty_map);
// print the list of modules in a column-first order
#define NUM_COLUMNS (4)
#define COLUMN_WIDTH (18)
mp_uint_t len;
mp_obj_t *items;
mp_obj_list_get(list, &len, &items);
unsigned int num_rows = (len + NUM_COLUMNS - 1) / NUM_COLUMNS;
for (unsigned int i = 0; i < num_rows; ++i) {
unsigned int j = i;
for (;;) {
int l = mp_print_str(MP_PYTHON_PRINTER, mp_obj_str_get_str(items[j]));
j += num_rows;
if (j >= len) {
break;
}
int gap = COLUMN_WIDTH - l;
while (gap < 1) {
gap += COLUMN_WIDTH;
}
while (gap--) {
mp_print_str(MP_PYTHON_PRINTER, " ");
}
}
mp_print_str(MP_PYTHON_PRINTER, "\n");
}
// let the user know there may be other modules available from the filesystem
mp_print_str(MP_PYTHON_PRINTER, "Plus any modules on the filesystem\n");
}
void mp_obj_exception_get_traceback(mp_obj_t self_in, machine_uint_t *n, machine_uint_t **values) {
// make sure self_in is an exception instance
assert(mp_obj_get_type(self_in)->make_new == mp_obj_exception_make_new);
mp_obj_exception_t *self = self_in;
if (self->traceback == MP_OBJ_NULL) {
*n = 0;
*values = NULL;
} else {
uint n2;
mp_obj_list_get(self->traceback, &n2, (mp_obj_t**)values);
*n = n2;
}
}
// note: returned value in *items may point to the interior of a GC block
void mp_obj_get_array(mp_obj_t o, size_t *len, mp_obj_t **items) {
if (MP_OBJ_IS_TYPE(o, &mp_type_tuple)) {
mp_obj_tuple_get(o, len, items);
} else if (MP_OBJ_IS_TYPE(o, &mp_type_list)) {
mp_obj_list_get(o, len, items);
} else {
if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_TERSE) {
mp_raise_TypeError("expected tuple/list");
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
"object '%s' isn't a tuple or list", mp_obj_get_type_str(o)));
}
}
}
mp_obj_t str_join(mp_obj_t self_in, mp_obj_t arg) {
assert(MP_OBJ_IS_STR(self_in));
// get separation string
GET_STR_DATA_LEN(self_in, sep_str, sep_len);
// process args
uint seq_len;
mp_obj_t *seq_items;
if (MP_OBJ_IS_TYPE(arg, &tuple_type)) {
mp_obj_tuple_get(arg, &seq_len, &seq_items);
} else if (MP_OBJ_IS_TYPE(arg, &list_type)) {
mp_obj_list_get(arg, &seq_len, &seq_items);
} else {
goto bad_arg;
}
// count required length
int required_len = 0;
for (int i = 0; i < seq_len; i++) {
if (!MP_OBJ_IS_STR(seq_items[i])) {
goto bad_arg;
}
if (i > 0) {
required_len += sep_len;
}
GET_STR_LEN(seq_items[i], l);
required_len += l;
}
// make joined string
byte *data;
mp_obj_t joined_str = mp_obj_str_builder_start(required_len, &data);
for (int i = 0; i < seq_len; i++) {
if (i > 0) {
memcpy(data, sep_str, sep_len);
data += sep_len;
}
GET_STR_DATA_LEN(seq_items[i], s, l);
memcpy(data, s, l);
data += l;
}
// return joined string
return mp_obj_str_builder_end(joined_str);
bad_arg:
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError, "?str.join expecting a list of str's"));
}
void mp_obj_get_array_fixed_n(mp_obj_t o, uint len, mp_obj_t **items) {
if (MP_OBJ_IS_TYPE(o, &mp_type_tuple) || MP_OBJ_IS_TYPE(o, &mp_type_list)) {
uint seq_len;
if (MP_OBJ_IS_TYPE(o, &mp_type_tuple)) {
mp_obj_tuple_get(o, &seq_len, items);
} else {
mp_obj_list_get(o, &seq_len, items);
}
if (seq_len != len) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_IndexError, "requested length %d but object has length %d", len, seq_len));
}
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "object '%s' is not a tuple or list", mp_obj_get_type_str(o)));
}
}
// convert a Micro Python object to a sensible value for inline asm
STATIC machine_uint_t convert_obj_for_inline_asm(mp_obj_t obj) {
// TODO for byte_array, pass pointer to the array
if (MP_OBJ_IS_SMALL_INT(obj)) {
return MP_OBJ_SMALL_INT_VALUE(obj);
} else if (obj == mp_const_none) {
return 0;
} else if (obj == mp_const_false) {
return 0;
} else if (obj == mp_const_true) {
return 1;
} else if (MP_OBJ_IS_STR(obj)) {
// pointer to the string (it's probably constant though!)
uint l;
return (machine_uint_t)mp_obj_str_get_data(obj, &l);
} else {
mp_obj_type_t *type = mp_obj_get_type(obj);
if (0) {
#if MICROPY_PY_BUILTINS_FLOAT
} else if (type == &mp_type_float) {
// convert float to int (could also pass in float registers)
return (machine_int_t)mp_obj_float_get(obj);
#endif
} else if (type == &mp_type_tuple) {
// pointer to start of tuple (could pass length, but then could use len(x) for that)
uint len;
mp_obj_t *items;
mp_obj_tuple_get(obj, &len, &items);
return (machine_uint_t)items;
} else if (type == &mp_type_list) {
// pointer to start of list (could pass length, but then could use len(x) for that)
uint len;
mp_obj_t *items;
mp_obj_list_get(obj, &len, &items);
return (machine_uint_t)items;
} else {
mp_buffer_info_t bufinfo;
if (mp_get_buffer(obj, &bufinfo, MP_BUFFER_WRITE)) {
// supports the buffer protocol, return a pointer to the data
return (machine_uint_t)bufinfo.buf;
} else {
// just pass along a pointer to the object
return (machine_uint_t)obj;
}
}
}
}
static int py_load_vars(py_handle_t* py)
{
mp_obj_t obj;
mp_obj_t* items;
mp_uint_t n;
size_t i;
size_t j;
for (i = 0; i != py->nvar; ++i)
{
py_var_t* const v = py->vars[i];
if ((v->flags & PY_FLAG_OUT) == 0) continue ;
obj = mp_load_name(v->name);
if (v->flags & PY_FLAG_ARRAY)
{
mp_obj_list_get(obj, &n, &items);
if (n > v->dim) n = v->dim;
}
else
{
items = &obj;
n = 1;
}
if (v->flags & PY_FLAG_INT)
{
for (j = 0; j != (size_t)n; ++j)
v->data.i[j] = mp_obj_get_int(items[j]);
}
else
{
for (j = 0; j != (size_t)n; ++j)
v->data.f[j] = mp_obj_float_get(items[j]);
}
}
return 0;
}
static int py_init(void)
{
mp_stack_set_limit(40000 * (BYTES_PER_WORD / 4));
#if MICROPY_ENABLE_GC
static long heap_size = 1024 * 1024 * (sizeof(mp_uint_t) / 4);
char *heap = malloc(heap_size);
gc_init(heap, heap + heap_size);
#endif
mp_init();
#if 0
static mp_uint_t path_num = 1;
mp_obj_t *path_items;
mp_obj_list_init(MP_OBJ_TO_PTR(mp_sys_path), path_num);
mp_obj_list_get(mp_sys_path, &path_num, &path_items);
path_items[0] = MP_OBJ_NEW_QSTR(MP_QSTR_);
mp_obj_list_init(MP_OBJ_TO_PTR(mp_sys_argv), 0);
#endif
return 0;
}
STATIC mp_obj_t esp_socket_onconnect(mp_obj_t self_in, mp_obj_t lambda_in) {
esp_socket_obj_t *s = self_in;
s->cb_connect = lambda_in;
if (s->connlist != NULL) {
do {
mp_uint_t len;
mp_obj_t *items;
mp_obj_list_get(s->connlist, &len, &items);
if (len == 0) {
break;
}
esp_socket_obj_t *rs = items[0];
mp_obj_list_remove(s->connlist, rs);
if (s->espconn->state != ESPCONN_CLOSE) {
call_function_1_protected(s->cb_connect, rs);
}
} while (true);
}
return mp_const_none;
}
int main(int argc, char **argv) {
mp_stack_set_limit(40000 * (BYTES_PER_WORD / 4));
pre_process_options(argc, argv);
#if MICROPY_ENABLE_GC
char *heap = malloc(heap_size);
gc_init(heap, heap + heap_size);
#endif
mp_init();
#ifndef _WIN32
// create keyboard interrupt object
MP_STATE_VM(keyboard_interrupt_obj) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
#endif
char *home = getenv("HOME");
char *path = getenv("MICROPYPATH");
if (path == NULL) {
#ifdef MICROPY_PY_SYS_PATH_DEFAULT
path = MICROPY_PY_SYS_PATH_DEFAULT;
#else
path = "~/.micropython/lib:/usr/lib/micropython";
#endif
}
mp_uint_t path_num = 1; // [0] is for current dir (or base dir of the script)
for (char *p = path; p != NULL; p = strchr(p, PATHLIST_SEP_CHAR)) {
path_num++;
if (p != NULL) {
p++;
}
}
mp_obj_list_init(mp_sys_path, path_num);
mp_obj_t *path_items;
mp_obj_list_get(mp_sys_path, &path_num, &path_items);
path_items[0] = MP_OBJ_NEW_QSTR(MP_QSTR_);
{
char *p = path;
for (mp_uint_t i = 1; i < path_num; i++) {
char *p1 = strchr(p, PATHLIST_SEP_CHAR);
if (p1 == NULL) {
p1 = p + strlen(p);
}
if (p[0] == '~' && p[1] == '/' && home != NULL) {
// Expand standalone ~ to $HOME
CHECKBUF(buf, PATH_MAX);
CHECKBUF_APPEND(buf, home, strlen(home));
CHECKBUF_APPEND(buf, p + 1, (size_t)(p1 - p - 1));
path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(buf, CHECKBUF_LEN(buf)));
} else {
path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(p, p1 - p));
}
p = p1 + 1;
}
}
mp_obj_list_init(mp_sys_argv, 0);
#if defined(MICROPY_UNIX_COVERAGE)
{
MP_DECLARE_CONST_FUN_OBJ(extra_coverage_obj);
mp_store_global(QSTR_FROM_STR_STATIC("extra_coverage"), (mp_obj_t)&extra_coverage_obj);
}
#endif
// Here is some example code to create a class and instance of that class.
// First is the Python, then the C code.
//
// class TestClass:
// pass
// test_obj = TestClass()
// test_obj.attr = 42
//
// mp_obj_t test_class_type, test_class_instance;
// test_class_type = mp_obj_new_type(QSTR_FROM_STR_STATIC("TestClass"), mp_const_empty_tuple, mp_obj_new_dict(0));
// mp_store_name(QSTR_FROM_STR_STATIC("test_obj"), test_class_instance = mp_call_function_0(test_class_type));
// mp_store_attr(test_class_instance, QSTR_FROM_STR_STATIC("attr"), mp_obj_new_int(42));
/*
printf("bytes:\n");
printf(" total %d\n", m_get_total_bytes_allocated());
printf(" cur %d\n", m_get_current_bytes_allocated());
printf(" peak %d\n", m_get_peak_bytes_allocated());
*/
const int NOTHING_EXECUTED = -2;
int ret = NOTHING_EXECUTED;
for (int a = 1; a < argc; a++) {
if (argv[a][0] == '-') {
if (strcmp(argv[a], "-c") == 0) {
if (a + 1 >= argc) {
return usage(argv);
}
ret = do_str(argv[a + 1]);
if (ret & FORCED_EXIT) {
break;
}
a += 1;
} else if (strcmp(argv[a], "-m") == 0) {
if (a + 1 >= argc) {
return usage(argv);
}
mp_obj_t import_args[4];
import_args[0] = mp_obj_new_str(argv[a + 1], strlen(argv[a + 1]), false);
import_args[1] = import_args[2] = mp_const_none;
// Ask __import__ to handle imported module specially - set its __name__
// to __main__, and also return this leaf module, not top-level package
// containing it.
import_args[3] = mp_const_false;
// TODO: https://docs.python.org/3/using/cmdline.html#cmdoption-m :
// "the first element of sys.argv will be the full path to
// the module file (while the module file is being located,
// the first element will be set to "-m")."
set_sys_argv(argv, argc, a + 1);
mp_obj_t mod;
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mod = mp_builtin___import__(MP_ARRAY_SIZE(import_args), import_args);
nlr_pop();
} else {
// uncaught exception
return handle_uncaught_exception((mp_obj_t)nlr.ret_val) & 0xff;
}
if (mp_obj_is_package(mod)) {
// TODO
fprintf(stderr, "%s: -m for packages not yet implemented\n", argv[0]);
exit(1);
}
ret = 0;
break;
} else if (strcmp(argv[a], "-X") == 0) {
a += 1;
} else if (strcmp(argv[a], "-v") == 0) {
mp_verbose_flag++;
} else if (strncmp(argv[a], "-O", 2) == 0) {
if (isdigit(argv[a][2])) {
MP_STATE_VM(mp_optimise_value) = argv[a][2] & 0xf;
} else {
MP_STATE_VM(mp_optimise_value) = 0;
for (char *p = argv[a] + 1; *p && *p == 'O'; p++, MP_STATE_VM(mp_optimise_value)++);
}
} else {
return usage(argv);
}
} else {
char *pathbuf = malloc(PATH_MAX);
char *basedir = realpath(argv[a], pathbuf);
if (basedir == NULL) {
fprintf(stderr, "%s: can't open file '%s': [Errno %d] ", argv[0], argv[a], errno);
perror("");
// CPython exits with 2 in such case
ret = 2;
break;
}
// Set base dir of the script as first entry in sys.path
char *p = strrchr(basedir, '/');
path_items[0] = MP_OBJ_NEW_QSTR(qstr_from_strn(basedir, p - basedir));
free(pathbuf);
set_sys_argv(argv, argc, a);
ret = do_file(argv[a]);
break;
}
}
if (ret == NOTHING_EXECUTED) {
if (isatty(0)) {
prompt_read_history();
ret = do_repl();
prompt_write_history();
} else {
mp_lexer_t *lex = mp_lexer_new_from_fd(MP_QSTR__lt_stdin_gt_, 0, false);
ret = execute_from_lexer(lex, MP_PARSE_FILE_INPUT, false);
}
}
#if MICROPY_PY_MICROPYTHON_MEM_INFO
if (mp_verbose_flag) {
mp_micropython_mem_info(0, NULL);
}
#endif
mp_deinit();
#if MICROPY_ENABLE_GC && !defined(NDEBUG)
// We don't really need to free memory since we are about to exit the
// process, but doing so helps to find memory leaks.
free(heap);
#endif
//printf("total bytes = %d\n", m_get_total_bytes_allocated());
return ret & 0xff;
}
int main(int argc, char **argv) {
mp_stack_set_limit(32768);
pre_process_options(argc, argv);
#if MICROPY_ENABLE_GC
char *heap = malloc(heap_size);
gc_init(heap, heap + heap_size);
#endif
mp_init();
char *home = getenv("HOME");
char *path = getenv("MICROPYPATH");
if (path == NULL) {
path = "~/.micropython/lib:/usr/lib/micropython";
}
mp_uint_t path_num = 1; // [0] is for current dir (or base dir of the script)
for (char *p = path; p != NULL; p = strchr(p, PATHLIST_SEP_CHAR)) {
path_num++;
if (p != NULL) {
p++;
}
}
mp_obj_list_init(mp_sys_path, path_num);
mp_obj_t *path_items;
mp_obj_list_get(mp_sys_path, &path_num, &path_items);
path_items[0] = MP_OBJ_NEW_QSTR(MP_QSTR_);
char *p = path;
for (int i = 1; i < path_num; i++) {
char *p1 = strchr(p, PATHLIST_SEP_CHAR);
if (p1 == NULL) {
p1 = p + strlen(p);
}
if (p[0] == '~' && p[1] == '/' && home != NULL) {
// Expand standalone ~ to $HOME
CHECKBUF(buf, PATH_MAX);
CHECKBUF_APPEND(buf, home, strlen(home));
CHECKBUF_APPEND(buf, p + 1, p1 - p - 1);
path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(buf, CHECKBUF_LEN(buf)));
} else {
path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(p, p1 - p));
}
p = p1 + 1;
}
mp_obj_list_init(mp_sys_argv, 0);
mp_store_name(qstr_from_str("mem_info"), (mp_obj_t*)&mem_info_obj);
mp_store_name(qstr_from_str("qstr_info"), (mp_obj_t*)&qstr_info_obj);
// Here is some example code to create a class and instance of that class.
// First is the Python, then the C code.
//
// class TestClass:
// pass
// test_obj = TestClass()
// test_obj.attr = 42
//
// mp_obj_t test_class_type, test_class_instance;
// test_class_type = mp_obj_new_type(QSTR_FROM_STR_STATIC("TestClass"), mp_const_empty_tuple, mp_obj_new_dict(0));
// mp_store_name(QSTR_FROM_STR_STATIC("test_obj"), test_class_instance = mp_call_function_0(test_class_type));
// mp_store_attr(test_class_instance, QSTR_FROM_STR_STATIC("attr"), mp_obj_new_int(42));
/*
printf("bytes:\n");
printf(" total %d\n", m_get_total_bytes_allocated());
printf(" cur %d\n", m_get_current_bytes_allocated());
printf(" peak %d\n", m_get_peak_bytes_allocated());
*/
const int NOTHING_EXECUTED = -2;
int ret = NOTHING_EXECUTED;
for (int a = 1; a < argc; a++) {
if (argv[a][0] == '-') {
if (strcmp(argv[a], "-c") == 0) {
if (a + 1 >= argc) {
return usage(argv);
}
ret = do_str(argv[a + 1]);
a += 1;
} else if (strcmp(argv[a], "-X") == 0) {
a += 1;
} else if (strcmp(argv[a], "-v") == 0) {
mp_verbose_flag++;
} else if (strncmp(argv[a], "-O", 2) == 0) {
if (isdigit(argv[a][2])) {
mp_optimise_value = argv[a][2] & 0xf;
} else {
mp_optimise_value = 0;
for (char *p = argv[a] + 1; *p && *p == 'O'; p++, mp_optimise_value++);
}
} else {
return usage(argv);
}
} else {
char *pathbuf = malloc(PATH_MAX);
char *basedir = realpath(argv[a], pathbuf);
if (basedir == NULL) {
fprintf(stderr, "%s: can't open file '%s': [Errno %d] ", argv[0], argv[a], errno);
perror("");
// CPython exits with 2 in such case
ret = 2;
break;
}
// Set base dir of the script as first entry in sys.path
char *p = strrchr(basedir, '/');
path_items[0] = MP_OBJ_NEW_QSTR(qstr_from_strn(basedir, p - basedir));
free(pathbuf);
for (int i = a; i < argc; i++) {
mp_obj_list_append(mp_sys_argv, MP_OBJ_NEW_QSTR(qstr_from_str(argv[i])));
}
ret = do_file(argv[a]);
break;
}
}
if (ret == NOTHING_EXECUTED) {
do_repl();
ret = 0;
}
mp_deinit();
//printf("total bytes = %d\n", m_get_total_bytes_allocated());
return ret;
}
int main(int argc, char **argv) {
volatile int stack_dummy;
stack_top = (void*)&stack_dummy;
pre_process_options(argc, argv);
#if MICROPY_ENABLE_GC
char *heap = malloc(heap_size);
gc_init(heap, heap + heap_size);
#endif
qstr_init();
mp_init();
char *home = getenv("HOME");
char *path = getenv("MICROPYPATH");
if (path == NULL) {
path = "~/.micropython/lib:/usr/lib/micropython";
}
uint path_num = 1; // [0] is for current dir (or base dir of the script)
for (char *p = path; p != NULL; p = strchr(p, ':')) {
path_num++;
if (p != NULL) {
p++;
}
}
mp_obj_list_init(mp_sys_path, path_num);
mp_obj_t *path_items;
mp_obj_list_get(mp_sys_path, &path_num, &path_items);
path_items[0] = MP_OBJ_NEW_QSTR(MP_QSTR_);
char *p = path;
for (int i = 1; i < path_num; i++) {
char *p1 = strchr(p, ':');
if (p1 == NULL) {
p1 = p + strlen(p);
}
if (p[0] == '~' && p[1] == '/' && home != NULL) {
// Expand standalone ~ to $HOME
CHECKBUF(buf, PATH_MAX);
CHECKBUF_APPEND(buf, home, strlen(home));
CHECKBUF_APPEND(buf, p + 1, p1 - p - 1);
path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(buf, CHECKBUF_LEN(buf)));
} else {
path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(p, p1 - p));
}
p = p1 + 1;
}
mp_obj_list_init(mp_sys_argv, 0);
mp_store_name(qstr_from_str("test"), test_obj_new(42));
mp_store_name(qstr_from_str("mem_info"), mp_make_function_n(0, mem_info));
mp_store_name(qstr_from_str("qstr_info"), mp_make_function_n(0, qstr_info));
#if MICROPY_ENABLE_GC
mp_store_name(qstr_from_str("gc"), (mp_obj_t)&pyb_gc_obj);
#endif
// Here is some example code to create a class and instance of that class.
// First is the Python, then the C code.
//
// class TestClass:
// pass
// test_obj = TestClass()
// test_obj.attr = 42
mp_obj_t test_class_type, test_class_instance;
test_class_type = mp_obj_new_type(QSTR_FROM_STR_STATIC("TestClass"), mp_const_empty_tuple, mp_obj_new_dict(0));
mp_store_name(QSTR_FROM_STR_STATIC("test_obj"), test_class_instance = mp_call_function_0(test_class_type));
mp_store_attr(test_class_instance, QSTR_FROM_STR_STATIC("attr"), mp_obj_new_int(42));
/*
printf("bytes:\n");
printf(" total %d\n", m_get_total_bytes_allocated());
printf(" cur %d\n", m_get_current_bytes_allocated());
printf(" peak %d\n", m_get_peak_bytes_allocated());
*/
bool executed = false;
for (int a = 1; a < argc; a++) {
if (argv[a][0] == '-') {
if (strcmp(argv[a], "-c") == 0) {
if (a + 1 >= argc) {
return usage(argv);
}
do_str(argv[a + 1]);
executed = true;
a += 1;
} else if (strcmp(argv[a], "-X") == 0) {
a += 1;
} else {
return usage(argv);
}
} else {
char *basedir = realpath(argv[a], NULL);
if (basedir == NULL) {
fprintf(stderr, "%s: can't open file '%s': [Errno %d] ", argv[0], argv[1], errno);
perror("");
// CPython exits with 2 in such case
exit(2);
}
// Set base dir of the script as first entry in sys.path
char *p = strrchr(basedir, '/');
path_items[0] = MP_OBJ_NEW_QSTR(qstr_from_strn(basedir, p - basedir));
free(basedir);
for (int i = a; i < argc; i++) {
mp_obj_list_append(mp_sys_argv, MP_OBJ_NEW_QSTR(qstr_from_str(argv[i])));
}
do_file(argv[a]);
executed = true;
break;
}
}
if (!executed) {
do_repl();
}
mp_deinit();
//printf("total bytes = %d\n", m_get_total_bytes_allocated());
return 0;
}
