def __preprocess_line(self, line, w):
# comments
line = line.split('#')[0]
parts = line.strip().split()
# no action in this string
if len(parts) == 0:
w.write('\n')
return
command, *params = parts
if ModuleManager.module_was_loaded('CORE'):
try:
CommonValidator.check_if_variable_exists(command)
leading_spaces = self.__get_leading_spaces(line)
line = " ".join([
' ' * leading_spaces,
Semantic.get_symbol('var'),
line.lstrip()
])
parts = line.strip().split()
command, *params = parts
except Exception as ignored:
pass
try:
self.__validator.validate('command', (command, params))
except Validator.ValidationError as exception:
raise Preprocessor.ParseException(f"Command: `{command}`. " +
str(exception))
if command == Semantic.get_symbol('var'):
DataProvider.set_variable_value(params[0], None)
elif DataProvider.is_opening_command(command):
DataProvider.append_command_stack(command)
elif DataProvider.is_closing_command(command):
DataProvider.pop_command_stack()
try:
self.__command_to_func[command](line, w)
except KeyError:
w.write(line + '\n')
def set_variable(name: str, value):
name = name.lstrip('%')
DataProvider.set_variable_value(name, value)