def apply(self, symbols, attributes, evaluation):
"ClearAttributes[symbols_, attributes_]"
symbols = get_symbol_list(symbols, lambda item: evaluation.message("ClearAttributes", "sym", item, 1))
if symbols is None:
return
values = get_symbol_list(attributes, lambda item: evaluation.message("ClearAttributes", "sym", item, 2))
if values is None:
return
for symbol in symbols:
if "Locked" in evaluation.definitions.get_attributes(symbol):
evaluation.message("ClearAttributes", "locked", symbol)
else:
for value in values:
evaluation.definitions.clear_attribute(symbol, value)
return Symbol("Null")
def apply(self, symbols, attributes, evaluation):
'ClearAttributes[symbols_, attributes_]'
symbols = get_symbol_list(symbols, lambda item: evaluation.message('ClearAttributes', 'sym', item, 1))
if symbols is None:
return
values = get_symbol_list(attributes, lambda item: evaluation.message('ClearAttributes', 'sym', item, 2))
if values is None:
return
for symbol in symbols:
if 'Locked' in evaluation.definitions.get_attributes(symbol):
evaluation.message('ClearAttributes', 'locked', symbol)
else:
for value in values:
evaluation.definitions.clear_attribute(symbol, value)
return Symbol('Null')
def apply(self, symbols, attributes, evaluation):
"SetAttributes[symbols_, attributes_]"
symbols = get_symbol_list(
symbols,
lambda item: evaluation.message("SetAttributes", "sym", item, 1))
if symbols is None:
return
values = get_symbol_list(
attributes,
lambda item: evaluation.message("SetAttributes", "sym", item, 2))
if values is None:
return
for symbol in symbols:
if "System`Locked" in evaluation.definitions.get_attributes(
symbol):
evaluation.message("SetAttributes", "locked", Symbol(symbol))
else:
for value in values:
evaluation.definitions.set_attribute(symbol, value)
return SymbolNull
