code: def codeCommands(self):
      localctx = AutolevParser.CodeCommandsContext(
          self, self._ctx, self.state
      )
      self.enterRule(localctx, 32, self.RULE_codeCommands)
      try:
          self.state = 275
          self._errHandler.sync(self)
          token = self._input.LA(1)
          if token in [32]:
              self.enterOuterAlt(localctx, 1)
              self.state = 270
              self.units()
              pass
          elif token in [29]:
              self.enterOuterAlt(localctx, 2)
              self.state = 271
              self.inputs()
              pass
          elif token in [30]:
              self.enterOuterAlt(localctx, 3)
              self.state = 272
              self.outputs()
              pass
          elif token in [48]:
              self.enterOuterAlt(localctx, 4)
              self.state = 273
              self.codegen()
              pass
          elif token in [31, 33]:
              self.enterOuterAlt(localctx, 5)
              self.state = 274
              self.commands()
              pass
          else:
              raise NoViableAltException(self)
  
      except RecognitionException as re:
          localctx.exception = re
          self._errHandler.reportError(self, re)
          self._errHandler.recover(self, re)
      finally:
          self.exitRule()
      return localctx
  
imports: from antlr4 import *
  from io import StringIO
  import sys
label_desc: Use image node_id 18 for calling the AutolevParser obj's underlying member method code with example usage: obj.codeCommands() and returns: localctx