diff options
Diffstat (limited to 'py/modsys.c')
| -rw-r--r-- | py/modsys.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/py/modsys.c b/py/modsys.c index 1e7f7eff7f..d215846762 100644 --- a/py/modsys.c +++ b/py/modsys.c @@ -24,6 +24,8 @@ * THE SOFTWARE. */ +#include <stdint.h> +#include <limits.h> #include "mpconfig.h" #include "misc.h" #include "qstr.h" @@ -33,6 +35,8 @@ #include "objlist.h" #include "objtuple.h" #include "objstr.h" +#include "mpz.h" +#include "objint.h" #if MICROPY_PY_SYS @@ -44,6 +48,8 @@ extern struct _dummy_t mp_sys_stdin_obj; extern struct _dummy_t mp_sys_stdout_obj; extern struct _dummy_t mp_sys_stderr_obj; +extern mp_obj_int_t mp_maxsize_obj; + mp_obj_list_t mp_sys_path_obj; mp_obj_list_t mp_sys_argv_obj; #define I(n) MP_OBJ_NEW_SMALL_INT(n) @@ -70,6 +76,19 @@ STATIC const mp_map_elem_t mp_module_sys_globals_table[] = { #else { MP_OBJ_NEW_QSTR(MP_QSTR_byteorder), MP_OBJ_NEW_QSTR(MP_QSTR_big) }, #endif +#if MICROPY_PY_SYS_MAXSIZE + #if MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_NONE + // INT_MAX is not representable as small int, as we know that small int + // takes one bit for tag. So, we have little choice but to provide this + // value. Apps also should be careful to not try to compare sys.maxsize + // with some number (which may not fit in available int size), but instead + // count number of significant bits in sys.maxsize. + { MP_OBJ_NEW_QSTR(MP_QSTR_maxsize), MP_OBJ_NEW_SMALL_INT(INT_MAX >> 1) }, + #else + { MP_OBJ_NEW_QSTR(MP_QSTR_maxsize), (mp_obj_t)&mp_maxsize_obj }, + #endif +#endif + #if MICROPY_PY_SYS_EXIT { MP_OBJ_NEW_QSTR(MP_QSTR_exit), (mp_obj_t)&mp_sys_exit_obj }, |