code: def validate_rules(self):
      for state in self.stateinfo:
          # Validate all rules defined by functions
  
          for fname, f in self.funcsym[state]:
              line = f.__code__.co_firstlineno
              file = f.__code__.co_filename
              module = inspect.getmodule(f)
              self.modules.add(module)
  
              tokname = self.toknames[fname]
              if isinstance(f, types.MethodType):
                  reqargs = 2
              else:
                  reqargs = 1
              nargs = f.__code__.co_argcount
              if nargs > reqargs:
                  self.log.error(
                      "%s:%d: Rule '%s' has too many arguments",
                      file,
                      line,
                      f.__name__,
                  )
                  self.error = True
                  continue
  
              if nargs < reqargs:
                  self.log.error(
                      "%s:%d: Rule '%s' requires an argument",
                      file,
                      line,
                      f.__name__,
                  )
                  self.error = True
                  continue
  
              if not _get_regex(f):
                  self.log.error(
                      "%s:%d: No regular expression defined for rule '%s'",
                      file,
                      line,
                      f.__name__,
                  )
                  self.error = True
                  continue
  
              try:
                  c = re.compile(
                      "(?P<%s>%s)" % (fname, _get_regex(f)),
                      self.reflags,
                  )
                  if c.match(""):
                      self.log.error(
                          "%s:%d: Regular expression for rule '%s' matches empty string",
                          file,
                          line,
                          f.__name__,
                      )
                      self.error = True
              except re.error as e:
                  self.log.error(
                      "%s:%d: Invalid regular expression for rule '%s'. %s",
                      file,
                      line,
                      f.__name__,
                      e,
                  )
                  if "#" in _get_regex(f):
                      self.log.error(
                          "%s:%d. Make sure '#' in rule '%s' is escaped with '\\#'",
                          file,
                          line,
                          f.__name__,
                      )
                  self.error = True
  
          # Validate all rules defined by strings
          for name, r in self.strsym[state]:
              tokname = self.toknames[name]
              if tokname == "error":
                  self.log.error(
                      "Rule '%s' must be defined as a function", name
                  )
                  self.error = True
                  continue
  
              if (
                  tokname not in self.tokens
                  and tokname.find("ignore_") < 0
              ):
                  self.log.error(
                      "Rule '%s' defined for an unspecified token %s",
                      name,
                      tokname,
                  )
                  self.error = True
                  continue
  
              try:
                  c = re.compile("(?P<%s>%s)" % (name, r), self.reflags)
                  if c.match(""):
                      self.log.error(
                          "Regular expression for rule '%s' matches empty string",
                          name,
                      )
                      self.error = True
              except re.error as e:
                  self.log.error(
                      "Invalid regular expression for rule '%s'. %s",
                      name,
                      e,
                  )
                  if "#" in r:
                      self.log.error(
                          "Make sure '#' in rule '%s' is escaped with '\\#'",
                          name,
                      )
                  self.error = True
  
          if not self.funcsym[state] and not self.strsym[state]:
              self.log.error("No rules defined for state '%s'", state)
              self.error = True
  
          # Validate the error function
          efunc = self.errorf.get(state, None)
          if efunc:
              f = efunc
              line = f.__code__.co_firstlineno
              file = f.__code__.co_filename
              module = inspect.getmodule(f)
              self.modules.add(module)
  
              if isinstance(f, types.MethodType):
                  reqargs = 2
              else:
                  reqargs = 1
              nargs = f.__code__.co_argcount
              if nargs > reqargs:
                  self.log.error(
                      "%s:%d: Rule '%s' has too many arguments",
                      file,
                      line,
                      f.__name__,
                  )
                  self.error = True
  
              if nargs < reqargs:
                  self.log.error(
                      "%s:%d: Rule '%s' requires an argument",
                      file,
                      line,
                      f.__name__,
                  )
                  self.error = True
  
      for module in self.modules:
          self.validate_module(module)
  
imports: import re
  import sys
  import types
  import copy
  import os
  import inspect
label_desc: Use image node_id 10 for calling the LexerReflect obj's underlying member method code with example usage: obj.validate_rules() without return types