diff options
Diffstat (limited to 'kconfiglib.py')
| -rw-r--r-- | kconfiglib.py | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/kconfiglib.py b/kconfiglib.py index e246055..2f66e80 100644 --- a/kconfiglib.py +++ b/kconfiglib.py @@ -2700,9 +2700,8 @@ class Symbol(object): 'assignable' will cause Symbol.user_value to differ from Symbol.str/tri_value (be truncated down or up). - Setting a choice symbol to 2 (y) only updates Choice.user_selection on - the parent choice and not Symbol.user_value itself. This gives the - expected behavior when a choice is switched between different modes. + Setting a choice symbol to 2 (y) sets Choice.user_selection to the + choice symbol in addition to setting Symbol.user_value. Choice.user_selection is considered when the choice is in y mode (the "normal" mode). @@ -2727,9 +2726,14 @@ class Symbol(object): value of the symbol. For other symbol types, check whether the visibility is non-n. """ - if value == self.user_value: - # We know the value must be valid if it was successfully set - # previously + # If the new user value matches the old, nothing changes, and we can + # save some work. + # + # This optimization is skipped for choice symbols: Setting a choice + # symbol's user value to y might change the state of the choice, so it + # wouldn't be safe (symbol user values always match the values set in a + # .config file or via set_value(), and are never implicitly updated). + if value == self.user_value and not self.choice: self._was_set = True return True @@ -2763,16 +2767,17 @@ class Symbol(object): if self.orig_type in (BOOL, TRISTATE) and value in ("n", "m", "y"): value = STR_TO_TRI[value] + self.user_value = value + if self.choice and value == 2: - # Remember this as a choice selection only. Makes switching back - # and forth between choice modes work as expected, and makes the - # check for whether the user value is the same as before above - # safe. + # Setting a choice symbol to y makes it the user selection of the + # choice. Like for symbol user values, the user selection is not + # guaranteed to match the actual selection of the choice, as + # dependencies come into play. self.choice.user_selection = self self.choice._was_set = True self.choice._rec_invalidate() else: - self.user_value = value self._was_set = True self._rec_invalidate_if_has_prompt() |