def print_error(self):
"""
If the corresponding rule didn't match,
prints the relevant error so the user is aware of what the lexing
problem was.
"""
if self._matched is None:
raise ValueError(
"Tried to print an error for rule '" + self.__class__.__name__ + \
"' before it was applied."
)
if self._matched:
raise ValueError(
"Tried to print an error for rule '" + self.__class__.__name__ + \
"' when no error occurred."
)
if self.error_msg is None:
raise ValueError(
"No error to print for rule '" + self.__class__.__name__ + \
"'."
)
InputFileManager.get_or_create() \
.syntax_error(self.error_msg, self._furthest_matched_index + 1)
def __init__(self, master_file_path):
if (master_file_path is not None
and not isinstance(master_file_path, string_types)):
raise ValueError(
"Since v1.4.0, the parser takes as an argument " + \
"the path of the master file directly, rather " + \
"than the file itself as before.")
self._master_filepath = master_file_path
self.input_file_manager = \
InputFileManager.get_or_create(master_file_path)
self.lexer = Lexer()
self.ast = AST.get_or_create()
self._declaration_line_allowed = True
self._last_indentation = None
self._current_unit_declaration = None
self._current_variation_name = None
def __init__(self):
self._file_manager = InputFileManager.get_or_create()