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py: Add support for sep and end keywords in print.

This commit is contained in:
Damien George 2014-04-02 10:34:44 +01:00
parent 084ef373fb
commit 4881566874
3 changed files with 39 additions and 4 deletions
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20
py/builtin.c
View File

@ -317,18 +317,30 @@ STATIC mp_obj_t mp_builtin_pow(uint n_args, const mp_obj_t *args) {
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_pow_obj, 2, 3, mp_builtin_pow);
STATIC mp_obj_t mp_builtin_print(uint n_args, const mp_obj_t *args) {
STATIC mp_obj_t mp_builtin_print(uint n_args, const mp_obj_t *args, mp_map_t *kwargs) {
mp_map_elem_t *sep_elem = mp_map_lookup(kwargs, MP_OBJ_NEW_QSTR(MP_QSTR_sep), MP_MAP_LOOKUP);
mp_map_elem_t *end_elem = mp_map_lookup(kwargs, MP_OBJ_NEW_QSTR(MP_QSTR_end), MP_MAP_LOOKUP);
const char *sep_data = " ";
uint sep_len = 1;
const char *end_data = "\n";
uint end_len = 1;
if (sep_elem != NULL && sep_elem->value != mp_const_none) {
sep_data = mp_obj_str_get_data(sep_elem->value, &sep_len);
}
if (end_elem != NULL && end_elem->value != mp_const_none) {
end_data = mp_obj_str_get_data(end_elem->value, &end_len);
}
for (int i = 0; i < n_args; i++) {
if (i > 0) {
printf(" ");
printf("%.*s", sep_len, sep_data);
}
mp_obj_print(args[i], PRINT_STR);
}
printf("\n");
printf("%.*s", end_len, end_data);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_VAR(mp_builtin_print_obj, 0, mp_builtin_print);
MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_print_obj, 0, mp_builtin_print);
STATIC mp_obj_t mp_builtin_range(uint n_args, const mp_obj_t *args) {
assert(1 <= n_args && n_args <= 3);

3
py/qstrdefs.h
View File

@ -127,6 +127,9 @@ Q(type)
Q(value)
Q(zip)
Q(sep)
Q(end)
Q(clear)
Q(copy)
Q(fromkeys)

20
tests/basics/print.py Normal file
View File

@ -0,0 +1,20 @@
# test builtin print function
print()
print(None)
print('')
print(1)
print(1, 2)
print(sep='')
print(sep='x')
print(end='')
print(end='x\n')
print(1, sep='')
print(1, end='')
print(1, sep='', end='')
print(1, 2, sep='')
print(1, 2, end='')
print(1, 2, sep='', end='')
print([{1:2}])