__slots__ = (
"_choices",
"_print_undef_assign",
+ "_print_redun_assign",
"_print_warnings",
"_set_re_match",
"_unset_re_match",
self._print_warnings = warn
self._print_undef_assign = False
+ self._print_redun_assign = True
self.syms = {}
self.const_syms = {}
display_val = val
display_user_val = sym.user_value
- self._warn('{} set more than once. Old value: "{}", new '
- 'value: "{}".'
- .format(name, display_user_val, display_val),
- filename, linenr)
+ msg = '{} set more than once. Old value: "{}", new value: "{}".'.format(name, display_user_val, display_val)
+
+ if display_user_val == display_val:
+ self._warn_redun_assign(msg, filename, linenr)
+ else:
+ self._warn(msg, filename, linenr)
sym.set_value(val)
"""
self._print_undef_assign = False
+ def enable_redun_warnings(self):
+ """
+ Enables warnings for redundant assignments to symbols. Printed to
+ stderr. Enabled by default.
+ """
+ self._print_redun_assign = True
+
+ def disable_redun_warnings(self):
+ """
+ See enable_redun_warnings().
+ """
+ self._print_redun_assign = False
+
def __repr__(self):
"""
Returns a string with information about the Kconfig object when it is
"warnings " + ("enabled" if self._print_warnings else "disabled"),
"undef. symbol assignment warnings " +
("enabled" if self._print_undef_assign else "disabled"),
+ "redundant symbol assignment warnings " +
+ ("enabled" if self._print_redun_assign else "disabled")
)))
#
'attempt to assign the value "{}" to the undefined symbol {}' \
.format(val, name), filename, linenr)
+ def _warn_redun_assign(self, msg, filename=None, linenr=None):
+ """
+ See the class documentation.
+ """
+ if self._print_redun_assign:
+ _stderr_msg("warning: " + msg, filename, linenr)
class Symbol(object):
"""