code: def _handle_default_rule_body(
      self, node: Rule, rhs: Rhs, result_type: str
  ) -> None:
      memoize = self._should_memoize(node)
  
      with self.indent():
          self.add_level()
          self._check_for_errors()
          self.print(f"{result_type} _res = NULL;")
          if memoize:
              self.print(
                  f"if (_PyPegen_is_memoized(p, {node.name}_type, &_res)) {{"
              )
              with self.indent():
                  self.add_return("_res")
              self.print("}")
          self.print("int _mark = p->mark;")
          if any(
              alt.action and "EXTRA" in alt.action for alt in rhs.alts
          ):
              self._set_up_token_start_metadata_extraction()
          self.visit(
              rhs,
              is_loop=False,
              is_gather=node.is_gather(),
              rulename=node.name,
          )
          if self.debug:
              self.print(
                  f'D(fprintf(stderr, "Fail at %d: {node.name}\\n", p->mark));'
              )
          self.print("_res = NULL;")
      self.print("  done:")
      with self.indent():
          if memoize:
              self.print(
                  f"_PyPegen_insert_memo(p, _mark, {node.name}_type, _res);"
              )
          self.add_return("_res")
  
imports: import ast
  import os.path
  import re
  from dataclasses import dataclass, field
  from enum import Enum
  from typing import IO, Any, Dict, List, Optional, Set, Text, Tuple
  from pegen import grammar
  from pegen.grammar import Alt, Cut, Forced, Gather, GrammarVisitor, Group, Leaf, Lookahead, NamedItem, NameLeaf, NegativeLookahead, Opt, PositiveLookahead, Repeat0, Repeat1, Rhs, Rule, StringLeaf
  from pegen.parser_generator import ParserGenerator
label_desc: Use image node_id 19 for calling the CParserGenerator obj's underlying member method code with example usage: obj._handle_default_rule_body(node, rhs, result_type) without return types