def _firstParse(self):
for line in self._f:
# remove the newline char '\n'
line = line.strip()
# check if there is parseable code in line
if not fh.isCommentOrEmpty(line):
line = fh.removeInlineComments(line)
# update the clean code string
self._code += line
def _secPass(self, line):
line = fh.removeInlineComments(line)
# check if it's a instruction
if fh.isAInst(line):
# handle a-instruction
self._handleAInst(line[1:])
# else must be a c-instruction
elif not fh.isLoopMarker(line):
# handle c-instruction
self._handleCInst(line)
def parse(self):
for line in self._f:
# remove the newline char '\n'
line = line.strip()
# check if there is parseable code in line
if not fh.isCommentOrEmpty(line):
line = fh.removeInlineComments(line)
# split commands from the line
commands = line.split(" ")
# get the type of command
cmdtype = cf.commandType(commands[0])
# if it's a push or pop command handle it
if cmdtype == PUSH or cmdtype == POP:
self._handlePushPop(commands, cmdtype)
# else if it's a arithmetic command handle it
elif cmdtype == ARITHMETIC:
self._handleArithmetic(commands)
def parse(self):
for line in self._f:
# remove the newline char '\n'
line = line.strip()
# check if there is parseable code in line
if not fh.isCommentOrEmpty(line):
writeStr = ""
# remove in-line comments from each line
line = fh.removeInlineComments(line)
# split commands from the line
commands = line.split(" ")
# get the type of command
cmdtype = self._cf.commandType(commands[0])
# if it's a push or pop command handle it
if cmdtype == PUSH or cmdtype == POP:
writeStr = self._handlePushPop(commands, cmdtype)
# else if it's a arithmetic command handle it
elif cmdtype == ARITHMETIC:
writeStr = self._handleArithmetic(commands)
# else if it's a label command handle it
elif cmdtype == LABEL:
writeStr = self._cf.writeLabelAsm(commands[1])
# else if it's a goto command handle it
elif cmdtype == GOTO:
writeStr = self._cf.writeGotoAsm(commands[1])
# else if it's a if-goto command handle it
elif cmdtype == IF:
writeStr = self._cf.writeIfGotoAsm(commands[1])
# else if it's a call command handle it
elif cmdtype == CALL:
writeStr = self._cf.writeCallAsm(commands[1], int(commands[2]))
# else if it's a return command handle it
elif cmdtype == RETURN:
writeStr = self._cf.writeReturnAsm()
# else if it's a function command handle it
elif cmdtype == FUNCTION:
writeStr = self._cf.writeFunctionAsm(commands[1], int(commands[2]))
# add it to the code list
self._codeList.append(writeStr)
print(line)
print(self._codeList)