def Parse(self, line):
self.newAddress = None
self.newTarget = None
self.newCommand = None
self.newJump = None
self.newLabel = None
parsed = self.oneline.parseString(line)
if self.newAddress is not None:
result = Assembler.AddressInstruction(self.newAddress)
return result
elif self.newCommand is not None:
#print(self.newCommand.Expression)
if self.newTarget is None:
self.newTarget = Assembler.DestinationBits()
if self.newJump is None:
self.newJump = Assembler.JumpBits()
result = Assembler.ControlInstruction(self.newCommand,
self.newTarget, self.newJump)
return result
elif self.newTarget is not None:
cmd = self.newTarget.ToPlainStr()
self.newCommand = Assembler.InstructionBits(cmd)
self.newTarget = Assembler.DestinationBits()
if self.newJump is None:
self.newJump = Assembler.JumpBits()
result = Assembler.ControlInstruction(self.newCommand,
self.newTarget, self.newJump)
elif self.newLabel is not None:
result = self.newLabel
return result
else:
return None
def GotJump(self, jmp):
self.newJump = jmp[0]
#print(jmp)
if self.newJump not in Tables.jump_table:
raise Exception("wrong jump expression")
self.newJump = Assembler.JumpBits()
if "G" in jmp[0]:
self.newJump.AddJ3()
if "E" in jmp[0]:
self.newJump.AddJ2()
if "N" in jmp[0]:
self.newJump.RemoveJ2()
if "L" in jmp[0]:
self.newJump.AddJ1()
if "P" in jmp[0]:
self.newJump.AddJ1()
self.newJump.AddJ2()
self.newJump.AddJ3()
