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py/objstr: Optimise mp_obj_new_str_from_vstr for known-safe strings.

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The new `mp_obj_new_str_from_utf8_vstr` can be used when you know you
already have a unicode-safe string.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared
2022-08-23 18:35:37 +10:00
committed by Damien George
parent 88864587f5
commit 3a910b1565
8 changed files with 19 additions and 7 deletions
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7
py/objstr.c
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@@ -2256,6 +2256,13 @@ mp_obj_t mp_obj_new_str_from_vstr(vstr_t *vstr) {
return mp_obj_new_str_type_from_vstr(&mp_type_str, vstr);
}
#if MICROPY_PY_BUILTINS_STR_UNICODE && MICROPY_PY_BUILTINS_STR_UNICODE_CHECK
mp_obj_t mp_obj_new_str_from_utf8_vstr(vstr_t *vstr) {
// bypasses utf8_check.
return mp_obj_new_str_type_from_vstr(&mp_type_str, vstr);
}
#endif // MICROPY_PY_BUILTINS_STR_UNICODE && MICROPY_PY_BUILTINS_STR_UNICODE_CHECK
mp_obj_t mp_obj_new_bytes_from_vstr(vstr_t *vstr) {
return mp_obj_new_str_type_from_vstr(&mp_type_bytes, vstr);
}