def open_log(self, logger):
self.log = AssemblerLogger(logger)
self.log.write("created `{0}' assembler".format(self._language),
level.INFO)
class BaseAssembler(LoggerClient):
def open_log(self, logger):
self.log = AssemblerLogger(logger)
self.log.write("created `{0}' assembler".format(self._language),
level.INFO)
def read_lines(self, lines):
"""Read a line or lines of input and return a list of instructions.
Description:
[lines:str]:list -> [instructions:str]:list
Purpose:
Reads lines of assembly in the form of a list and returns a
binary listing. Preprocessing and linking is done.
Restrictions:
Behaviour is undefined if argument is not of type <str>,
representing a binary number.
Exceptions:
N/A
Returns:
A list of binary instructions.
"""
pass
def read_file(self, lines):
"""Reads a file and returns a list of instructions.
Description:
lines:file ->
([instructions:int]:list, [original:str]:list)
Purpose:
Opens a read an assembly file to return a binary listing.
All the necessary preprocessing and linking will be done.
Restrictions:
See exceptions.
Exceptions:
Exception
Returns:
A tuple, element 0 is a list of binary encoded instructions,
element 1 is the original listing (processed).
"""
pass
def convert(self, lines):
"""Converts a list of binary instructions to an integer list.
Description:
[lines:str]:list -> [instructions:int]:list
Purpose:
Before attempting to load a program that has been through
the assembler, it should be converted for use in the
simulation.
Restrictions:
Behaviour is undefined if arguments are not of type <str>,
representing a binary number.
Exceptions:
N/A
Returns:
A list of integers.
"""
pass
def get_jump_table():
pass
