static mp_obj_t str_find(uint n_args, const mp_obj_t *args) {
assert(2 <= n_args && n_args <= 4);
assert(MP_OBJ_IS_STR(args[0]));
assert(MP_OBJ_IS_STR(args[1]));
GET_STR_DATA_LEN(args[0], haystack, haystack_len);
GET_STR_DATA_LEN(args[1], needle, needle_len);
size_t start = 0;
size_t end = haystack_len;
/* TODO use a non-exception-throwing mp_get_index */
if (n_args >= 3 && args[2] != mp_const_none) {
start = mp_get_index(&str_type, haystack_len, args[2]);
}
if (n_args >= 4 && args[3] != mp_const_none) {
end = mp_get_index(&str_type, haystack_len, args[3]);
}
const byte *p = find_subbytes(haystack + start, haystack_len - start, needle, needle_len);
if (p == NULL) {
// not found
return MP_OBJ_NEW_SMALL_INT(-1);
} else {
// found
machine_int_t pos = p - haystack;
if (pos + needle_len > end) {
pos = -1;
}
return MP_OBJ_NEW_SMALL_INT(pos);
}
}
// this function implements the '==' operator (and so the inverse of '!=')
// from the python language reference:
// "The objects need not have the same type. If both are numbers, they are converted
// to a common type. Otherwise, the == and != operators always consider objects of
// different types to be unequal."
// note also that False==0 and True==1 are true expressions
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
if (o1 == o2) {
return true;
}
if (o1 == mp_const_none || o2 == mp_const_none) {
return false;
}
// fast path for small ints
if (MP_OBJ_IS_SMALL_INT(o1)) {
if (MP_OBJ_IS_SMALL_INT(o2)) {
// both SMALL_INT, and not equal if we get here
return false;
} else {
mp_obj_t temp = o2; o2 = o1; o1 = temp;
// o2 is now the SMALL_INT, o1 is not
// fall through to generic op
}
}
// fast path for strings
if (MP_OBJ_IS_STR(o1)) {
if (MP_OBJ_IS_STR(o2)) {
// both strings, use special function
return mp_obj_str_equal(o1, o2);
} else {
// a string is never equal to anything else
return false;
}
} else if (MP_OBJ_IS_STR(o2)) {
// o1 is not a string (else caught above), so the objects are not equal
return false;
}
// generic type, call binary_op(MP_BINARY_OP_EQUAL)
mp_obj_type_t *type = mp_obj_get_type(o1);
if (type->binary_op != NULL) {
mp_obj_t r = type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
if (r != MP_OBJ_NULL) {
return r == mp_const_true ? true : false;
}
}
if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_TERSE) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_NotImplementedError,
"equality for given types not yet implemented"));
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_NotImplementedError,
"equality for '%s' and '%s' types not yet implemented",
mp_obj_get_type_str(o1), mp_obj_get_type_str(o2)));
}
}
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"));
}
// This dispatcher function is expected to be independent of the implementation of long int
STATIC mp_obj_t mp_obj_int_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 0, 2, false);
switch (n_args) {
case 0:
return MP_OBJ_NEW_SMALL_INT(0);
case 1:
if (MP_OBJ_IS_INT(args[0])) {
// already an int (small or long), just return it
return args[0];
} else if (MP_OBJ_IS_STR(args[0])) {
// a string, parse it
uint l;
const char *s = mp_obj_str_get_data(args[0], &l);
return mp_parse_num_integer(s, l, 0);
#if MICROPY_PY_BUILTINS_FLOAT
} else if (MP_OBJ_IS_TYPE(args[0], &mp_type_float)) {
return MP_OBJ_NEW_SMALL_INT((machine_int_t)(MICROPY_FLOAT_C_FUN(trunc)(mp_obj_float_get(args[0]))));
#endif
} else {
// try to convert to small int (eg from bool)
return MP_OBJ_NEW_SMALL_INT(mp_obj_get_int(args[0]));
}
case 2:
default: {
// should be a string, parse it
// TODO proper error checking of argument types
uint l;
const char *s = mp_obj_str_get_data(args[0], &l);
return mp_parse_num_integer(s, l, mp_obj_get_int(args[1]));
}
}
}
mp_obj_t str_format(uint n_args, const mp_obj_t *args) {
assert(MP_OBJ_IS_STR(args[0]));
GET_STR_DATA_LEN(args[0], str, len);
int arg_i = 1;
vstr_t *vstr = vstr_new();
for (const byte *top = str + len; str < top; str++) {
if (*str == '{') {
str++;
if (str < top && *str == '{') {
vstr_add_char(vstr, '{');
} else {
while (str < top && *str != '}') str++;
if (arg_i >= n_args) {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_IndexError, "tuple index out of range"));
}
// TODO: may be PRINT_REPR depending on formatting code
mp_obj_print_helper((void (*)(void*, const char*, ...))vstr_printf, vstr, args[arg_i], PRINT_STR);
arg_i++;
}
} else {
vstr_add_char(vstr, *str);
}
}
mp_obj_t s = mp_obj_new_str((byte*)vstr->buf, vstr->len, false);
vstr_free(vstr);
return s;
}
machine_int_t mp_obj_hash(mp_obj_t o_in) {
if (o_in == mp_const_false) {
return 0; // needs to hash to same as the integer 0, since False==0
} else if (o_in == mp_const_true) {
return 1; // needs to hash to same as the integer 1, since True==1
} else if (MP_OBJ_IS_SMALL_INT(o_in)) {
return MP_OBJ_SMALL_INT_VALUE(o_in);
} else if (MP_OBJ_IS_STR(o_in)) {
return mp_obj_str_get_hash(o_in);
} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_NoneType)) {
return (machine_int_t)o_in;
} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_fun_native) || MP_OBJ_IS_TYPE(o_in, &mp_type_fun_bc)) {
return (machine_int_t)o_in;
} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_tuple)) {
return mp_obj_tuple_hash(o_in);
} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_type)) {
return (machine_int_t)o_in;
// TODO hash class and instances
// TODO delegate to __hash__ method if it exists
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "unhashable type: '%s'", mp_obj_get_type_str(o_in)));
}
}
mp_obj_t mp_obj_str_builder_end(mp_obj_t o_in) {
assert(MP_OBJ_IS_STR(o_in));
mp_obj_str_t *o = o_in;
o->hash = qstr_compute_hash(o->data, o->len);
o->data[o->len] = '\0'; // for now we add null for compatibility with C ASCIIZ strings
return o;
}
mp_obj_t microbit_display_show_func(mp_uint_t n_args, const mp_obj_t *args) {
// TODO: Support async mode.
microbit_display_obj_t *self = (microbit_display_obj_t*)args[0];
// Cancel any animations.
MP_STATE_PORT(async_data)[0] = NULL;
MP_STATE_PORT(async_data)[1] = NULL;
MP_STATE_PORT(async_data)[2] = NULL;
if (MP_OBJ_IS_STR(args[1])) {
// arg is a string object
mp_uint_t len;
const char *str = mp_obj_str_get_data(args[1], &len);
if (len == 0) {
// There are no chars; do nothing.
} else if (len == 1) {
// A single char; convert to an image and print that.
microbit_display_show(self, microbit_image_for_char(str[0]));
} else {
mp_int_t delay;
if (n_args == 3) {
delay = mp_obj_get_int(args[2]);
} else {
delay = MICROBIT_DEFAULT_PRINT_SPEED;
}
microbit_display_animate(self, args[1], delay, false, false);
}
} else if (mp_obj_get_type(args[1]) == µbit_image_type) {
microbit_display_show(self, (microbit_image_obj_t *)args[1]);
} else {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "expecting an image or a string."));
}
return mp_const_none;
}
// This dispatcher function is expected to be independent of the implementation of long int
STATIC mp_obj_t mp_obj_int_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
// TODO check n_kw == 0
switch (n_args) {
case 0:
return MP_OBJ_NEW_SMALL_INT(0);
case 1:
if (MP_OBJ_IS_STR(args[0])) {
// a string, parse it
uint l;
const char *s = mp_obj_str_get_data(args[0], &l);
return mp_parse_num_integer(s, l, 0);
#if MICROPY_ENABLE_FLOAT
} else if (MP_OBJ_IS_TYPE(args[0], &mp_type_float)) {
return MP_OBJ_NEW_SMALL_INT((machine_int_t)(MICROPY_FLOAT_C_FUN(trunc)(mp_obj_float_get(args[0]))));
#endif
} else {
return MP_OBJ_NEW_SMALL_INT(mp_obj_get_int(args[0]));
}
case 2:
{
// should be a string, parse it
// TODO proper error checking of argument types
uint l;
const char *s = mp_obj_str_get_data(args[0], &l);
return mp_parse_num_integer(s, l, mp_obj_get_int(args[1]));
}
default:
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "int takes at most 2 arguments, %d given", n_args));
}
}
mp_obj_t ffifunc_call(mp_obj_t self_in, uint n_args, uint n_kw, const mp_obj_t *args) {
mp_obj_ffifunc_t *self = self_in;
assert(n_kw == 0);
assert(n_args == self->cif.nargs);
ffi_arg values[n_args];
void *valueptrs[n_args];
int i;
for (i = 0; i < n_args; i++) {
mp_obj_t a = args[i];
if (a == mp_const_none) {
values[i] = 0;
} else if (MP_OBJ_IS_INT(a)) {
values[i] = mp_obj_int_get(a);
} else if (MP_OBJ_IS_STR(a) || MP_OBJ_IS_TYPE(a, &mp_type_bytes)) {
const char *s = mp_obj_str_get_str(a);
values[i] = (ffi_arg)s;
} else if (MP_OBJ_IS_TYPE(a, &fficallback_type)) {
mp_obj_fficallback_t *p = a;
values[i] = (ffi_arg)p->func;
} else {
assert(0);
}
valueptrs[i] = &values[i];
}
ffi_arg retval;
ffi_call(&self->cif, self->func, &retval, valueptrs);
return return_ffi_value(retval, self->rettype);
}
// This function implements the '==' operator (and so the inverse of '!=').
//
// From the Python language reference:
// (https://docs.python.org/3/reference/expressions.html#not-in)
// "The objects need not have the same type. If both are numbers, they are converted
// to a common type. Otherwise, the == and != operators always consider objects of
// different types to be unequal."
//
// This means that False==0 and True==1 are true expressions.
//
// Furthermore, from the v3.4.2 code for object.c: "Practical amendments: If rich
// comparison returns NotImplemented, == and != are decided by comparing the object
// pointer."
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
if (o1 == o2) {
return true;
}
if (o1 == mp_const_none || o2 == mp_const_none) {
return false;
}
// fast path for small ints
if (MP_OBJ_IS_SMALL_INT(o1)) {
if (MP_OBJ_IS_SMALL_INT(o2)) {
// both SMALL_INT, and not equal if we get here
return false;
} else {
mp_obj_t temp = o2; o2 = o1; o1 = temp;
// o2 is now the SMALL_INT, o1 is not
// fall through to generic op
}
}
// fast path for strings
if (MP_OBJ_IS_STR(o1)) {
if (MP_OBJ_IS_STR(o2)) {
// both strings, use special function
return mp_obj_str_equal(o1, o2);
} else {
// a string is never equal to anything else
return false;
}
} else if (MP_OBJ_IS_STR(o2)) {
// o1 is not a string (else caught above), so the objects are not equal
return false;
}
// generic type, call binary_op(MP_BINARY_OP_EQUAL)
mp_obj_type_t *type = mp_obj_get_type(o1);
if (type->binary_op != NULL) {
mp_obj_t r = type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
if (r != MP_OBJ_NULL) {
return r == mp_const_true ? true : false;
}
}
// equality not implemented, and objects are not the same object, so
// they are defined as not equal
return false;
}
STATIC mp_obj_t machine_main(mp_obj_t main) {
if (MP_OBJ_IS_STR(main)) {
MP_STATE_PORT(machine_config_main) = main;
} else {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
return mp_const_none;
}
STATIC mp_obj_t machine_main(mp_obj_t main) {
if (MP_OBJ_IS_STR(main)) {
MP_STATE_PORT(machine_config_main) = main;
} else {
mp_raise_ValueError(mpexception_value_invalid_arguments);
}
return mp_const_none;
}
uint mp_obj_str_get_len(mp_obj_t self_in) {
if (MP_OBJ_IS_STR(self_in)) {
GET_STR_LEN(self_in, l);
return l;
} else {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "Can't convert '%s' object to str implicitly",
mp_obj_get_type_str(self_in)));
}
}
// this function implements the '==' operator (and so the inverse of '!=')
// from the python language reference:
// "The objects need not have the same type. If both are numbers, they are converted
// to a common type. Otherwise, the == and != operators always consider objects of
// different types to be unequal."
// note also that False==0 and True==1 are true expressions
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
if (o1 == o2) {
return true;
} else if (o1 == mp_const_none || o2 == mp_const_none) {
return false;
} else if (MP_OBJ_IS_SMALL_INT(o1) || MP_OBJ_IS_SMALL_INT(o2)) {
if (MP_OBJ_IS_SMALL_INT(o1) && MP_OBJ_IS_SMALL_INT(o2)) {
return false;
} else {
if (MP_OBJ_IS_SMALL_INT(o2)) {
mp_obj_t temp = o1; o1 = o2; o2 = temp;
}
// o1 is the SMALL_INT, o2 is not
mp_small_int_t val = MP_OBJ_SMALL_INT_VALUE(o1);
if (o2 == mp_const_false) {
return val == 0;
} else if (o2 == mp_const_true) {
return val == 1;
} else if (MP_OBJ_IS_TYPE(o2, &mp_type_int)) {
// If o2 is long int, dispatch to its virtual methods
mp_obj_base_t *o = o2;
if (o->type->binary_op != NULL) {
mp_obj_t r = o->type->binary_op(MP_BINARY_OP_EQUAL, o2, o1);
return r == mp_const_true ? true : false;
}
}
return false;
}
} else if (MP_OBJ_IS_STR(o1) && MP_OBJ_IS_STR(o2)) {
return mp_obj_str_equal(o1, o2);
} else {
mp_obj_base_t *o = o1;
if (o->type->binary_op != NULL) {
mp_obj_t r = o->type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
if (r != MP_OBJ_NULL) {
return r == mp_const_true ? true : false;
}
}
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_NotImplementedError,
"Equality for '%s' and '%s' types not yet implemented", mp_obj_get_type_str(o1), mp_obj_get_type_str(o2)));
return false;
}
}
const byte *mp_obj_str_get_data(mp_obj_t self_in, uint *len) {
if (MP_OBJ_IS_STR(self_in)) {
GET_STR_DATA_LEN(self_in, s, l);
*len = l;
return s;
} else {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "Can't convert '%s' object to str implicitly",
mp_obj_get_type_str(self_in)));
}
}
mp_obj_t str_strip(uint n_args, const mp_obj_t *args) {
assert(1 <= n_args && n_args <= 2);
assert(MP_OBJ_IS_STR(args[0]));
const byte *chars_to_del;
uint chars_to_del_len;
static const byte whitespace[] = " \t\n\r\v\f";
if (n_args == 1) {
chars_to_del = whitespace;
chars_to_del_len = sizeof(whitespace);
} else {
assert(MP_OBJ_IS_STR(args[1]));
GET_STR_DATA_LEN(args[1], s, l);
chars_to_del = s;
chars_to_del_len = l;
}
GET_STR_DATA_LEN(args[0], orig_str, orig_str_len);
size_t first_good_char_pos = 0;
bool first_good_char_pos_set = false;
size_t last_good_char_pos = 0;
for (size_t i = 0; i < orig_str_len; i++) {
if (!chr_in_str(chars_to_del, chars_to_del_len, orig_str[i])) {
last_good_char_pos = i;
if (!first_good_char_pos_set) {
first_good_char_pos = i;
first_good_char_pos_set = true;
}
}
}
if (first_good_char_pos == 0 && last_good_char_pos == 0) {
// string is all whitespace, return ''
return MP_OBJ_NEW_QSTR(MP_QSTR_);
}
assert(last_good_char_pos >= first_good_char_pos);
//+1 to accomodate the last character
size_t stripped_len = last_good_char_pos - first_good_char_pos + 1;
return mp_obj_new_str(orig_str + first_good_char_pos, stripped_len, false);
}
// only use this function if you need the str data to be zero terminated
// at the moment all strings are zero terminated to help with C ASCIIZ compatibility
const char *mp_obj_str_get_str(mp_obj_t self_in) {
if (MP_OBJ_IS_STR(self_in)) {
GET_STR_DATA_LEN(self_in, s, l);
(void)l; // len unused
return (const char*)s;
} else {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "Can't convert '%s' object to str implicitly",
mp_obj_get_type_str(self_in)));
}
}
static mp_obj_t usart_obj_tx_str(mp_obj_t self_in, mp_obj_t s) {
pyb_usart_obj_t *self = self_in;
if (self->is_enabled) {
if (MP_OBJ_IS_STR(s)) {
uint len;
const char *data = mp_obj_str_get_data(s, &len);
usart_tx_bytes(self->usart_id, data, len);
}
}
return mp_const_none;
}
// may return MP_OBJ_NULL
mp_obj_t mp_obj_len_maybe(mp_obj_t o_in) {
if (MP_OBJ_IS_STR(o_in)) {
return MP_OBJ_NEW_SMALL_INT((machine_int_t)mp_obj_str_get_len(o_in));
} else {
mp_obj_type_t *type = mp_obj_get_type(o_in);
if (type->unary_op != NULL) {
return type->unary_op(MP_UNARY_OP_LEN, o_in);
} else {
return MP_OBJ_NULL;
}
}
}
STATIC mp_obj_t new_namedtuple_type(mp_obj_t name_in, mp_obj_t fields_in) {
qstr name = mp_obj_str_get_qstr(name_in);
mp_uint_t n_fields;
mp_obj_t *fields;
#if MICROPY_CPYTHON_COMPAT
if (MP_OBJ_IS_STR(fields_in)) {
fields_in = mp_obj_str_split(1, &fields_in);
}
#endif
mp_obj_get_array(fields_in, &n_fields, &fields);
return mp_obj_new_namedtuple_type(name, n_fields, fields);
}
STATIC ffi_type *get_ffi_type(mp_obj_t o_in)
{
if (MP_OBJ_IS_STR(o_in)) {
const char *s = mp_obj_str_get_str(o_in);
ffi_type *t = char2ffi_type(*s);
if (t != NULL) {
return t;
}
}
// TODO: Support actual libffi type objects
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "Unknown type"));
}
STATIC ffi_type *get_ffi_type(mp_obj_t o_in)
{
if (MP_OBJ_IS_STR(o_in)) {
const char *s = mp_obj_str_get_str(o_in);
ffi_type *t = char2ffi_type(*s);
if (t != NULL) {
return t;
}
}
// TODO: Support actual libffi type objects
mp_raise_TypeError("Unknown type");
}
mp_obj_t ffifunc_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
mp_obj_ffifunc_t *self = self_in;
assert(n_kw == 0);
assert(n_args == self->cif.nargs);
ffi_arg values[n_args];
void *valueptrs[n_args];
int i;
for (i = 0; i < n_args; i++) {
mp_obj_t a = args[i];
if (a == mp_const_none) {
values[i] = 0;
} else if (MP_OBJ_IS_INT(a)) {
values[i] = mp_obj_int_get(a);
} else if (MP_OBJ_IS_STR(a)) {
const char *s = mp_obj_str_get_str(a);
values[i] = (ffi_arg)s;
} else if (((mp_obj_base_t*)a)->type->buffer_p.get_buffer != NULL) {
mp_obj_base_t *o = (mp_obj_base_t*)a;
mp_buffer_info_t bufinfo;
int ret = o->type->buffer_p.get_buffer(o, &bufinfo, MP_BUFFER_READ); // TODO: MP_BUFFER_READ?
if (ret != 0 || bufinfo.buf == NULL) {
goto error;
}
values[i] = (ffi_arg)bufinfo.buf;
} else if (MP_OBJ_IS_TYPE(a, &fficallback_type)) {
mp_obj_fficallback_t *p = a;
values[i] = (ffi_arg)p->func;
} else {
goto error;
}
valueptrs[i] = &values[i];
}
// If ffi_arg is not big enough to hold a double, then we must pass along a
// pointer to a memory location of the correct size.
// TODO check if this needs to be done for other types which don't fit into
// ffi_arg.
if (sizeof(ffi_arg) == 4 && self->rettype == 'd') {
double retval;
ffi_call(&self->cif, self->func, &retval, valueptrs);
return mp_obj_new_float(retval);
} else {
ffi_arg retval;
ffi_call(&self->cif, self->func, &retval, valueptrs);
return return_ffi_value(retval, self->rettype);
}
error:
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "Don't know how to pass object to native function"));
}
static ffi_type *get_ffi_type(mp_obj_t o_in)
{
if (MP_OBJ_IS_STR(o_in)) {
uint len;
const char *s = mp_obj_str_get_data(o_in, &len);
ffi_type *t = char2ffi_type(*s);
if (t != NULL) {
return t;
}
}
// TODO: Support actual libffi type objects
nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Unknown type"));
}
static void microbit_display_update(void) {
async_tick += FIBER_TICK_PERIOD_MS;
if (async_tick < async_delay) {
return;
}
async_tick = 0;
switch (async_mode) {
case ASYNC_MODE_ANIMATION:
{
if (MP_STATE_PORT(async_data)[0] == NULL || MP_STATE_PORT(async_data)[1] == NULL) {
async_stop();
break;
}
microbit_display_obj_t *display = (microbit_display_obj_t*)MP_STATE_PORT(async_data)[0];
/* WARNING: We are executing in an interrupt handler.
* If an exception is raised here, then a reset is the only way to recover. */
mp_obj_t obj = mp_iternext(async_iterator);
if (obj == MP_OBJ_STOP_ITERATION) {
if (async_repeat_iterable) {
async_iterator = mp_getiter(async_repeat_iterable);
} else {
microbit_display_show(display, BLANK_IMAGE);
async_stop();
}
} else if (mp_obj_get_type(obj) == µbit_image_type) {
microbit_display_show(display, (microbit_image_obj_t *)obj);
} else if (MP_OBJ_IS_STR(obj)) {
mp_uint_t len;
const char *str = mp_obj_str_get_data(obj, &len);
if (len == 1) {
microbit_display_show(display, microbit_image_for_char(str[0]));
} else {
async_error = true;
async_stop();
}
} else {
async_error = true;
async_stop();
}
break;
}
case ASYNC_MODE_CLEAR:
microbit_display_show(µbit_display_obj, BLANK_IMAGE);
async_stop();
break;
}
}
STATIC mp_obj_t mod_socket_getaddrinfo(uint n_args, const mp_obj_t *args) {
// TODO: Implement all args
assert(n_args == 2);
assert(MP_OBJ_IS_STR(args[0]));
const char *host = mp_obj_str_get_str(args[0]);
const char *serv = NULL;
// getaddrinfo accepts port in string notation, so however
// it may seem stupid, we need to convert int to str
if (MP_OBJ_IS_SMALL_INT(args[1])) {
int port = (short)MP_OBJ_SMALL_INT_VALUE(args[1]);
char buf[6];
sprintf(buf, "%d", port);
serv = buf;
} else {
serv = mp_obj_str_get_str(args[1]);
}
struct addrinfo hints;
struct addrinfo *addr;
memset(&hints, 0, sizeof(hints));
int res = getaddrinfo(host, serv, NULL/*&hints*/, &addr);
if (res != 0) {
// CPython: socket.gaierror
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "[addrinfo error %d]", res));
}
assert(addr);
mp_obj_t list = mp_obj_new_list(0, NULL);
for (; addr; addr = addr->ai_next) {
mp_obj_tuple_t *t = mp_obj_new_tuple(5, NULL);
t->items[0] = MP_OBJ_NEW_SMALL_INT((machine_int_t)addr->ai_family);
t->items[1] = MP_OBJ_NEW_SMALL_INT((machine_int_t)addr->ai_socktype);
t->items[2] = MP_OBJ_NEW_SMALL_INT((machine_int_t)addr->ai_protocol);
// "canonname will be a string representing the canonical name of the host
// if AI_CANONNAME is part of the flags argument; else canonname will be empty." ??
if (addr->ai_canonname) {
t->items[3] = MP_OBJ_NEW_QSTR(qstr_from_str(addr->ai_canonname));
} else {
t->items[3] = mp_const_none;
}
t->items[4] = mp_obj_new_bytearray(addr->ai_addrlen, addr->ai_addr);
mp_obj_list_append(list, t);
}
return list;
}
// may return MP_OBJ_NULL
mp_obj_t mp_obj_len_maybe(mp_obj_t o_in) {
if (
#if !MICROPY_PY_BUILTINS_STR_UNICODE
// It's simple - unicode is slow, non-unicode is fast
MP_OBJ_IS_STR(o_in) ||
#endif
MP_OBJ_IS_TYPE(o_in, &mp_type_bytes)) {
return MP_OBJ_NEW_SMALL_INT(mp_obj_str_get_len(o_in));
} else {
mp_obj_type_t *type = mp_obj_get_type(o_in);
if (type->unary_op != NULL) {
return type->unary_op(MP_UNARY_OP_LEN, o_in);
} else {
return MP_OBJ_NULL;
}
}
}
// 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 mp_obj_t mod_jni_array(mp_obj_t type_in, mp_obj_t size_in) {
if (!env) {
create_jvm();
}
mp_int_t size = mp_obj_get_int(size_in);
jobject res = NULL;
if (MP_OBJ_IS_TYPE(type_in, &jclass_type)) {
mp_obj_jclass_t *jcls = type_in;
res = JJ(NewObjectArray, size, jcls->cls, NULL);
} else if (MP_OBJ_IS_STR(type_in)) {
const char *type = mp_obj_str_get_str(type_in);
switch (*type) {
case 'Z':
res = JJ(NewBooleanArray, size);
break;
case 'B':
res = JJ(NewByteArray, size);
break;
case 'C':
res = JJ(NewCharArray, size);
break;
case 'S':
res = JJ(NewShortArray, size);
break;
case 'I':
res = JJ(NewIntArray, size);
break;
case 'J':
res = JJ(NewLongArray, size);
break;
case 'F':
res = JJ(NewFloatArray, size);
break;
case 'D':
res = JJ(NewDoubleArray, size);
break;
}
}
return new_jobject(res);
}
