class Assembler:
def __init__(self, in_f, out_f):
self._in_f = in_f
self._out_f = out_f
self._symbol_table = SymbolTable()
def compile(self):
parser = Parser()
# First pass, adding loop labels to the symbol table.
file_buff = ""
line_count = 0
for line in self._in_f:
if line[0] == '\n' or line[0] == "/":
pass
elif line[0] == "(":
# Loop label
label = line[1:-2]
self._symbol_table.add_entry(label, line_count)
else:
file_buff += line.lstrip()
line_count += 1
# Second pass, actual translation to machine language.
for line in file_buff.split('\n'):
parsed = parser.parse_line(line, self._symbol_table)
print(parsed, end='', file=self._out_f);
print("Symbol table: ", self._symbol_table.get_symbols())
