diff options
Diffstat (limited to 'kconfiglib.py')
| -rw-r--r-- | kconfiglib.py | 61 |
1 files changed, 35 insertions, 26 deletions
diff --git a/kconfiglib.py b/kconfiglib.py index 25b875a..fa3d7e1 100644 --- a/kconfiglib.py +++ b/kconfiglib.py @@ -2466,40 +2466,49 @@ class Symbol(Item, _HasVisibility): return self.name def get_upper_bound(self): - """Returns the highest value the symbol can be given via + """For string/hex/int symbols and for bool and tristate symbols that + cannot be modified (see is_modifiable()), returns None. + + Otherwise, returns the highest value the symbol can be set to with Symbol.set_value() (that will not be truncated): one of "m" or "y", arranged from lowest to highest. This corresponds to the highest value - the symbol could be given in the 'make menuconfig' interface. Returns - None if the symbol is not visible (would not appear in the 'make - menuconfig' interface), or if the symbol's value cannot be changed (if - it is selected to "y", or to "m" if its visibility also happens to be - "m"). Also returns None for non-bool, non-tristate symbols and special - symbols. - - See also the tri_less*() and tri_greater*() functions, which could - come in handy here.""" - if not self._is_assignable_bool_or_tristate(): - return None + the symbol could be given in e.g. the 'make menuconfig' interface. - return self._calc_visibility() + See also the tri_less*() and tri_greater*() functions, which could come + in handy.""" + if self.type not in (BOOL, TRISTATE): + return None + rev_dep = self.config._eval_expr(self.rev_dep) + # A bool selected to "m" gets promoted to "y" + if self.type == BOOL and rev_dep == "m": + rev_dep = "y" + vis = self._calc_visibility() + if (self.config._eval_to_int(vis) - + self.config._eval_to_int(rev_dep)) > 0: + return vis + return None def get_lower_bound(self): - """Returns the lowest value the symbol can be given via + """For string/hex/int symbols and for bool and tristate symbols that + cannot be modified (see is_modifiable()), returns None. + + Otherwise, returns the lowest value the symbol can be set to with Symbol.set_value() (that will not be truncated): one of "n" or "m", arranged from lowest to highest. This corresponds to the lowest value - the symbol could be given in the 'make menuconfig' interface. Returns - None if the symbol is not visible (would not appear in the 'make - menuconfig' interface), or if the symbol's value cannot be changed (if - it is selected to "y", or to "m" if its visibility also happens to be - "m"). Also returns None for non-bool, non-tristate symbols and special - symbols. - - See also the tri_less*() and tri_greater*() functions, which could - come in handy here.""" - if not self._is_assignable_bool_or_tristate(): - return None + the symbol could be given in e.g. the 'make menuconfig' interface. - return self.config._eval_expr(self.rev_dep) + See also the tri_less*() and tri_greater*() functions, which could come + in handy.""" + if self.type not in (BOOL, TRISTATE): + return None + rev_dep = self.config._eval_expr(self.rev_dep) + # A bool selected to "m" gets promoted to "y" + if self.type == BOOL and rev_dep == "m": + rev_dep = "y" + if (self.config._eval_to_int(self._calc_visibility()) - + self.config._eval_to_int(rev_dep)) > 0: + return rev_dep + return None def get_assignable_values(self): """For bool and tristate symbols, returns a list containing the values |