// This file is automatically generated by DemeterJ.

SubgraphVisitor {
  {{
    private java.util.Stack history = new java.util.Stack();
    public SubgraphVisitor(Object obj) {
      history.push(obj);
    }
  }}

  before Main {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp1 = host.get_s();
    Object temp2 = ((Main) obj).get_s();
    if(temp1 == null && temp2 == null) {}
    else if(temp1 == null ||
            temp2 == null ||
            !temp1.equals(temp2)) { is_equal = false; return; }
  }}

  before -> Program, adaptivemethod_l, AdaptiveMethod_L {{
    if (is_equal) {
      Program obj = (Program) history.peek();
      Object temp3 = obj.get_adaptivemethod_l();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> Program, adaptivemethod_l, AdaptiveMethod_L {{
    if (is_equal) history.pop();
  }}

  before Program {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> AdaptiveMethod, cd, CD {{
    if (is_equal) {
      AdaptiveMethod obj = (AdaptiveMethod) history.peek();
      Object temp4 = obj.get_cd();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  after -> AdaptiveMethod, cd, CD {{
    if (is_equal) history.pop();
  }}

  before -> AdaptiveMethod, og, OG {{
    if (is_equal) {
      AdaptiveMethod obj = (AdaptiveMethod) history.peek();
      Object temp5 = obj.get_og();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  after -> AdaptiveMethod, og, OG {{
    if (is_equal) history.pop();
  }}

  before -> AdaptiveMethod, strategy, Strategy {{
    if (is_equal) {
      AdaptiveMethod obj = (AdaptiveMethod) history.peek();
      Object temp6 = obj.get_strategy();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  after -> AdaptiveMethod, strategy, Strategy {{
    if (is_equal) history.pop();
  }}

  before -> AdaptiveMethod, visitor, Visitor {{
    if (is_equal) {
      AdaptiveMethod obj = (AdaptiveMethod) history.peek();
      Object temp7 = obj.get_visitor();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  after -> AdaptiveMethod, visitor, Visitor {{
    if (is_equal) history.pop();
  }}

  before AdaptiveMethod {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> CD, dd_pl, DD_PL {{
    if (is_equal) {
      CD obj = (CD) history.peek();
      Object temp8 = obj.get_dd_pl();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  after -> CD, dd_pl, DD_PL {{
    if (is_equal) history.pop();
  }}

  before CD {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> DD, typename, TypeName {{
    if (is_equal) {
      DD obj = (DD) history.peek();
      Object temp9 = obj.get_typename();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  after -> DD, typename, TypeName {{
    if (is_equal) history.pop();
  }}

  before -> DD, alternative_l, Alternative_L {{
    if (is_equal) {
      DD obj = (DD) history.peek();
      Object temp10 = obj.get_alternative_l();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
  }}
  after -> DD, alternative_l, Alternative_L {{
    if (is_equal) history.pop();
  }}

  before DD {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Alternative, alternativename, AlternativeName {{
    if (is_equal) {
      Alternative obj = (Alternative) history.peek();
      Object temp11 = obj.get_alternativename();
      if(temp11==null) { is_equal = false; return; }
      history.push(temp11);
    }
  }}
  after -> Alternative, alternativename, AlternativeName {{
    if (is_equal) history.pop();
  }}

  before -> Alternative, typedfield_l, TypedField_L {{
    if (is_equal) {
      Alternative obj = (Alternative) history.peek();
      Object temp12 = obj.get_typedfield_l();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  }}
  after -> Alternative, typedfield_l, TypedField_L {{
    if (is_equal) history.pop();
  }}

  before Alternative {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> TypedField, fieldname, FieldName {{
    if (is_equal) {
      TypedField obj = (TypedField) history.peek();
      Object temp13 = obj.get_fieldname();
      if(temp13==null) { is_equal = false; return; }
      history.push(temp13);
    }
  }}
  after -> TypedField, fieldname, FieldName {{
    if (is_equal) history.pop();
  }}

  before -> TypedField, typename, TypeName {{
    if (is_equal) {
      TypedField obj = (TypedField) history.peek();
      Object temp14 = obj.get_typename();
      if(temp14==null) { is_equal = false; return; }
      history.push(temp14);
    }
  }}
  after -> TypedField, typename, TypeName {{
    if (is_equal) history.pop();
  }}

  before TypedField {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before FieldName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp15 = host.get_ident();
    Object temp16 = ((FieldName) obj).get_ident();
    if(temp15 == null && temp16 == null) {}
    else if(temp15 == null ||
            temp16 == null ||
            !temp15.equals(temp16)) { is_equal = false; return; }
  }}

  before TypeName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp17 = host.get_ident();
    Object temp18 = ((TypeName) obj).get_ident();
    if(temp17 == null && temp18 == null) {}
    else if(temp17 == null ||
            temp18 == null ||
            !temp17.equals(temp18)) { is_equal = false; return; }
  }}

  before AlternativeName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp19 = host.get_ident();
    Object temp20 = ((AlternativeName) obj).get_ident();
    if(temp19 == null && temp20 == null) {}
    else if(temp19 == null ||
            temp20 == null ||
            !temp19.equals(temp20)) { is_equal = false; return; }
  }}

  before OG {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Numerical {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp21 = host.get_number();
    Object temp22 = ((Numerical) obj).get_number();
    if(temp21 == null && temp22 == null) {}
    else if(temp21 == null ||
            temp22 == null ||
            !temp21.equals(temp22)) { is_equal = false; return; }
  }}

  before Textual {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp23 = host.get_string();
    Object temp24 = ((Textual) obj).get_string();
    if(temp23 == null && temp24 == null) {}
    else if(temp23 == null ||
            temp24 == null ||
            !temp23.equals(temp24)) { is_equal = false; return; }
  }}

  before -> ConstrCall, alternativename, AlternativeName {{
    if (is_equal) {
      ConstrCall obj = (ConstrCall) history.peek();
      Object temp25 = obj.get_alternativename();
      if(temp25==null) { is_equal = false; return; }
      history.push(temp25);
    }
  }}
  after -> ConstrCall, alternativename, AlternativeName {{
    if (is_equal) history.pop();
  }}

  before -> ConstrCall, ogs, OG_L {{
    if (is_equal) {
      ConstrCall obj = (ConstrCall) history.peek();
      Object temp26 = obj.get_ogs();
      if(temp26==null) { is_equal = false; return; }
      history.push(temp26);
    }
  }}
  after -> ConstrCall, ogs, OG_L {{
    if (is_equal) history.pop();
  }}

  before ConstrCall {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Strategy {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> SimpleStrategy, source, TypeName {{
    if (is_equal) {
      SimpleStrategy obj = (SimpleStrategy) history.peek();
      Object temp27 = obj.get_source();
      if(temp27==null) { is_equal = false; return; }
      history.push(temp27);
    }
  }}
  after -> SimpleStrategy, source, TypeName {{
    if (is_equal) history.pop();
  }}

  before -> SimpleStrategy, target, TypeName {{
    if (is_equal) {
      SimpleStrategy obj = (SimpleStrategy) history.peek();
      Object temp28 = obj.get_target();
      if(temp28==null) { is_equal = false; return; }
      history.push(temp28);
    }
  }}
  after -> SimpleStrategy, target, TypeName {{
    if (is_equal) history.pop();
  }}

  before SimpleStrategy {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> CompoundStrategy, sop, SOp {{
    if (is_equal) {
      CompoundStrategy obj = (CompoundStrategy) history.peek();
      Object temp29 = obj.get_sop();
      if(temp29==null) { is_equal = false; return; }
      history.push(temp29);
    }
  }}
  after -> CompoundStrategy, sop, SOp {{
    if (is_equal) history.pop();
  }}

  before -> CompoundStrategy, arg1, Strategy {{
    if (is_equal) {
      CompoundStrategy obj = (CompoundStrategy) history.peek();
      Object temp30 = obj.get_arg1();
      if(temp30==null) { is_equal = false; return; }
      history.push(temp30);
    }
  }}
  after -> CompoundStrategy, arg1, Strategy {{
    if (is_equal) history.pop();
  }}

  before -> CompoundStrategy, arg2, Strategy {{
    if (is_equal) {
      CompoundStrategy obj = (CompoundStrategy) history.peek();
      Object temp31 = obj.get_arg2();
      if(temp31==null) { is_equal = false; return; }
      history.push(temp31);
    }
  }}
  after -> CompoundStrategy, arg2, Strategy {{
    if (is_equal) history.pop();
  }}

  before CompoundStrategy {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before SOp {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Join {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Merge {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Visitor, visname, VisName {{
    if (is_equal) {
      Visitor obj = (Visitor) history.peek();
      Object temp32 = obj.get_visname();
      if(temp32==null) { is_equal = false; return; }
      history.push(temp32);
    }
  }}
  after -> Visitor, visname, VisName {{
    if (is_equal) history.pop();
  }}

  before -> Visitor, expression, Expression {{
    if (is_equal) {
      Visitor obj = (Visitor) history.peek();
      Object temp33 = obj.get_expression();
      if(temp33==null) { is_equal = false; return; }
      history.push(temp33);
    }
  }}
  after -> Visitor, expression, Expression {{
    if (is_equal) history.pop();
  }}

  before -> Visitor, finishaction, FinishAction {{
    if (is_equal) {
      Visitor obj = (Visitor) history.peek();
      Object temp34 = obj.get_finishaction();
      if(temp34==null) { is_equal = false; return; }
      history.push(temp34);
    }
  }}
  after -> Visitor, finishaction, FinishAction {{
    if (is_equal) history.pop();
  }}

  before -> Visitor, action_l, Action_L {{
    if (is_equal) {
      Visitor obj = (Visitor) history.peek();
      Object temp35 = obj.get_action_l();
      if(temp35==null) { is_equal = false; return; }
      history.push(temp35);
    }
  }}
  after -> Visitor, action_l, Action_L {{
    if (is_equal) history.pop();
  }}

  before Visitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> FinishAction, expression, Expression {{
    if (is_equal) {
      FinishAction obj = (FinishAction) history.peek();
      Object temp36 = obj.get_expression();
      if(temp36==null) { is_equal = false; return; }
      history.push(temp36);
    }
  }}
  after -> FinishAction, expression, Expression {{
    if (is_equal) history.pop();
  }}

  before FinishAction {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Action, varname, VarName {{
    if (is_equal) {
      Action obj = (Action) history.peek();
      Object temp37 = obj.get_varname();
      if(temp37==null) { is_equal = false; return; }
      history.push(temp37);
    }
  }}
  after -> Action, varname, VarName {{
    if (is_equal) history.pop();
  }}

  before -> Action, typename, TypeName {{
    if (is_equal) {
      Action obj = (Action) history.peek();
      Object temp38 = obj.get_typename();
      if(temp38==null) { is_equal = false; return; }
      history.push(temp38);
    }
  }}
  after -> Action, typename, TypeName {{
    if (is_equal) history.pop();
  }}

  before -> Action, expression, Expression {{
    if (is_equal) {
      Action obj = (Action) history.peek();
      Object temp39 = obj.get_expression();
      if(temp39==null) { is_equal = false; return; }
      history.push(temp39);
    }
  }}
  after -> Action, expression, Expression {{
    if (is_equal) history.pop();
  }}

  before Action {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Before {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before After {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Expression {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Simple {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Compound, op, Op {{
    if (is_equal) {
      Compound obj = (Compound) history.peek();
      Object temp40 = obj.get_op();
      if(temp40==null) { is_equal = false; return; }
      history.push(temp40);
    }
  }}
  after -> Compound, op, Op {{
    if (is_equal) history.pop();
  }}

  before -> Compound, args, Expression_L {{
    if (is_equal) {
      Compound obj = (Compound) history.peek();
      Object temp41 = obj.get_args();
      if(temp41==null) { is_equal = false; return; }
      history.push(temp41);
    }
  }}
  after -> Compound, args, Expression_L {{
    if (is_equal) history.pop();
  }}

  before Compound {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Op {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Add {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Mul {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Sub {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Fetch, strategy, Strategy {{
    if (is_equal) {
      Fetch obj = (Fetch) history.peek();
      Object temp42 = obj.get_strategy();
      if(temp42==null) { is_equal = false; return; }
      history.push(temp42);
    }
  }}
  after -> Fetch, strategy, Strategy {{
    if (is_equal) history.pop();
  }}

  before -> Fetch, expression, Expression {{
    if (is_equal) {
      Fetch obj = (Fetch) history.peek();
      Object temp43 = obj.get_expression();
      if(temp43==null) { is_equal = false; return; }
      history.push(temp43);
    }
  }}
  after -> Fetch, expression, Expression {{
    if (is_equal) history.pop();
  }}

  before Fetch {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Get, varname, VarName {{
    if (is_equal) {
      Get obj = (Get) history.peek();
      Object temp44 = obj.get_varname();
      if(temp44==null) { is_equal = false; return; }
      history.push(temp44);
    }
  }}
  after -> Get, varname, VarName {{
    if (is_equal) history.pop();
  }}

  before -> Get, fieldname, FieldName {{
    if (is_equal) {
      Get obj = (Get) history.peek();
      Object temp45 = obj.get_fieldname();
      if(temp45==null) { is_equal = false; return; }
      history.push(temp45);
    }
  }}
  after -> Get, fieldname, FieldName {{
    if (is_equal) history.pop();
  }}

  before Get {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Set, varname, VarName {{
    if (is_equal) {
      Set obj = (Set) history.peek();
      Object temp46 = obj.get_varname();
      if(temp46==null) { is_equal = false; return; }
      history.push(temp46);
    }
  }}
  after -> Set, varname, VarName {{
    if (is_equal) history.pop();
  }}

  before -> Set, fieldname, FieldName {{
    if (is_equal) {
      Set obj = (Set) history.peek();
      Object temp47 = obj.get_fieldname();
      if(temp47==null) { is_equal = false; return; }
      history.push(temp47);
    }
  }}
  after -> Set, fieldname, FieldName {{
    if (is_equal) history.pop();
  }}

  before -> Set, expression, Expression {{
    if (is_equal) {
      Set obj = (Set) history.peek();
      Object temp48 = obj.get_expression();
      if(temp48==null) { is_equal = false; return; }
      history.push(temp48);
    }
  }}
  after -> Set, expression, Expression {{
    if (is_equal) history.pop();
  }}

  before Set {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before VisName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp49 = host.get_ident();
    Object temp50 = ((VisName) obj).get_ident();
    if(temp49 == null && temp50 == null) {}
    else if(temp49 == null ||
            temp50 == null ||
            !temp49.equals(temp50)) { is_equal = false; return; }
  }}

  before VarName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp51 = host.get_ident();
    Object temp52 = ((VarName) obj).get_ident();
    if(temp51 == null && temp52 == null) {}
    else if(temp51 == null ||
            temp52 == null ||
            !temp51.equals(temp52)) { is_equal = false; return; }
  }}

  before Numerical2 {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp53 = host.get_number();
    Object temp54 = ((Numerical2) obj).get_number();
    if(temp53 == null && temp54 == null) {}
    else if(temp53 == null ||
            temp54 == null ||
            !temp53.equals(temp54)) { is_equal = false; return; }
  }}

  before PrintVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((PrintVisitor) obj).get_indent();
    is_equal = is_equal && host.get_needSpace() == ((PrintVisitor) obj).get_needSpace();
  }}

  before CopyVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp55 = host.get_copy();
    Object temp56 = ((CopyVisitor) obj).get_copy();
    if(temp55 == null && temp56 == null) {}
    else if(temp55 == null ||
            temp56 == null ||
            !temp55.equals(temp56)) { is_equal = false; return; }
  }}

  before SubgraphVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((SubgraphVisitor) obj).get_is_equal();
  }}

  before EqualVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((EqualVisitor) obj).get_is_equal();
  }}

  before DisplayVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((DisplayVisitor) obj).get_indent();
  }}

  before TraceVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((TraceVisitor) obj).get_indent();
  }}

  before UniversalVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> AdaptiveMethod_L, first, Nonempty_AdaptiveMethod_L {{
    if (is_equal) {
      AdaptiveMethod_L obj = (AdaptiveMethod_L) history.peek();
      Object temp57 = obj.get_first();
      if(temp57==null) { is_equal = false; return; }
      history.push(temp57);
    }
  }}
  after -> AdaptiveMethod_L, first, Nonempty_AdaptiveMethod_L {{
    if (is_equal) history.pop();
  }}

  before AdaptiveMethod_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> DD_PL, first, Nonempty_DD_PL {{
    if (is_equal) {
      DD_PL obj = (DD_PL) history.peek();
      Object temp58 = obj.get_first();
      if(temp58==null) { is_equal = false; return; }
      history.push(temp58);
    }
  }}
  after -> DD_PL, first, Nonempty_DD_PL {{
    if (is_equal) history.pop();
  }}

  before DD_PL {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Alternative_L, first, Nonempty_Alternative_L {{
    if (is_equal) {
      Alternative_L obj = (Alternative_L) history.peek();
      Object temp59 = obj.get_first();
      if(temp59==null) { is_equal = false; return; }
      history.push(temp59);
    }
  }}
  after -> Alternative_L, first, Nonempty_Alternative_L {{
    if (is_equal) history.pop();
  }}

  before Alternative_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> TypedField_L, first, Nonempty_TypedField_L {{
    if (is_equal) {
      TypedField_L obj = (TypedField_L) history.peek();
      Object temp60 = obj.get_first();
      if(temp60==null) { is_equal = false; return; }
      history.push(temp60);
    }
  }}
  after -> TypedField_L, first, Nonempty_TypedField_L {{
    if (is_equal) history.pop();
  }}

  before TypedField_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> OG_L, first, Nonempty_OG_L {{
    if (is_equal) {
      OG_L obj = (OG_L) history.peek();
      Object temp61 = obj.get_first();
      if(temp61==null) { is_equal = false; return; }
      history.push(temp61);
    }
  }}
  after -> OG_L, first, Nonempty_OG_L {{
    if (is_equal) history.pop();
  }}

  before OG_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Action_L, first, Nonempty_Action_L {{
    if (is_equal) {
      Action_L obj = (Action_L) history.peek();
      Object temp62 = obj.get_first();
      if(temp62==null) { is_equal = false; return; }
      history.push(temp62);
    }
  }}
  after -> Action_L, first, Nonempty_Action_L {{
    if (is_equal) history.pop();
  }}

  before Action_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Expression_L, first, Nonempty_Expression_L {{
    if (is_equal) {
      Expression_L obj = (Expression_L) history.peek();
      Object temp63 = obj.get_first();
      if(temp63==null) { is_equal = false; return; }
      history.push(temp63);
    }
  }}
  after -> Expression_L, first, Nonempty_Expression_L {{
    if (is_equal) history.pop();
  }}

  before Expression_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_AdaptiveMethod_L, it, AdaptiveMethod {{
    if (is_equal) {
      Nonempty_AdaptiveMethod_L obj = (Nonempty_AdaptiveMethod_L) history.peek();
      Object temp64 = obj.get_it();
      if(temp64==null) { is_equal = false; return; }
      history.push(temp64);
    }
  }}
  after -> Nonempty_AdaptiveMethod_L, it, AdaptiveMethod {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_AdaptiveMethod_L, next, Nonempty_AdaptiveMethod_L {{
    if (is_equal) {
      Nonempty_AdaptiveMethod_L obj = (Nonempty_AdaptiveMethod_L) history.peek();
      Object temp65 = obj.get_next();
      if(temp65==null) { is_equal = false; return; }
      history.push(temp65);
    }
  }}
  after -> Nonempty_AdaptiveMethod_L, next, Nonempty_AdaptiveMethod_L {{
    if (is_equal) history.pop();
  }}

  before Nonempty_AdaptiveMethod_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_DD_PL, it, DD {{
    if (is_equal) {
      Nonempty_DD_PL obj = (Nonempty_DD_PL) history.peek();
      Object temp66 = obj.get_it();
      if(temp66==null) { is_equal = false; return; }
      history.push(temp66);
    }
  }}
  after -> Nonempty_DD_PL, it, DD {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_DD_PL, next, Nonempty_DD_PL {{
    if (is_equal) {
      Nonempty_DD_PL obj = (Nonempty_DD_PL) history.peek();
      Object temp67 = obj.get_next();
      if(temp67==null) { is_equal = false; return; }
      history.push(temp67);
    }
  }}
  after -> Nonempty_DD_PL, next, Nonempty_DD_PL {{
    if (is_equal) history.pop();
  }}

  before Nonempty_DD_PL {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_Alternative_L, it, Alternative {{
    if (is_equal) {
      Nonempty_Alternative_L obj = (Nonempty_Alternative_L) history.peek();
      Object temp68 = obj.get_it();
      if(temp68==null) { is_equal = false; return; }
      history.push(temp68);
    }
  }}
  after -> Nonempty_Alternative_L, it, Alternative {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Alternative_L, next, Nonempty_Alternative_L {{
    if (is_equal) {
      Nonempty_Alternative_L obj = (Nonempty_Alternative_L) history.peek();
      Object temp69 = obj.get_next();
      if(temp69==null) { is_equal = false; return; }
      history.push(temp69);
    }
  }}
  after -> Nonempty_Alternative_L, next, Nonempty_Alternative_L {{
    if (is_equal) history.pop();
  }}

  before Nonempty_Alternative_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_TypedField_L, it, TypedField {{
    if (is_equal) {
      Nonempty_TypedField_L obj = (Nonempty_TypedField_L) history.peek();
      Object temp70 = obj.get_it();
      if(temp70==null) { is_equal = false; return; }
      history.push(temp70);
    }
  }}
  after -> Nonempty_TypedField_L, it, TypedField {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_TypedField_L, next, Nonempty_TypedField_L {{
    if (is_equal) {
      Nonempty_TypedField_L obj = (Nonempty_TypedField_L) history.peek();
      Object temp71 = obj.get_next();
      if(temp71==null) { is_equal = false; return; }
      history.push(temp71);
    }
  }}
  after -> Nonempty_TypedField_L, next, Nonempty_TypedField_L {{
    if (is_equal) history.pop();
  }}

  before Nonempty_TypedField_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_OG_L, it, OG {{
    if (is_equal) {
      Nonempty_OG_L obj = (Nonempty_OG_L) history.peek();
      Object temp72 = obj.get_it();
      if(temp72==null) { is_equal = false; return; }
      history.push(temp72);
    }
  }}
  after -> Nonempty_OG_L, it, OG {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_OG_L, next, Nonempty_OG_L {{
    if (is_equal) {
      Nonempty_OG_L obj = (Nonempty_OG_L) history.peek();
      Object temp73 = obj.get_next();
      if(temp73==null) { is_equal = false; return; }
      history.push(temp73);
    }
  }}
  after -> Nonempty_OG_L, next, Nonempty_OG_L {{
    if (is_equal) history.pop();
  }}

  before Nonempty_OG_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_Action_L, it, Action {{
    if (is_equal) {
      Nonempty_Action_L obj = (Nonempty_Action_L) history.peek();
      Object temp74 = obj.get_it();
      if(temp74==null) { is_equal = false; return; }
      history.push(temp74);
    }
  }}
  after -> Nonempty_Action_L, it, Action {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Action_L, next, Nonempty_Action_L {{
    if (is_equal) {
      Nonempty_Action_L obj = (Nonempty_Action_L) history.peek();
      Object temp75 = obj.get_next();
      if(temp75==null) { is_equal = false; return; }
      history.push(temp75);
    }
  }}
  after -> Nonempty_Action_L, next, Nonempty_Action_L {{
    if (is_equal) history.pop();
  }}

  before Nonempty_Action_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_Expression_L, it, Expression {{
    if (is_equal) {
      Nonempty_Expression_L obj = (Nonempty_Expression_L) history.peek();
      Object temp76 = obj.get_it();
      if(temp76==null) { is_equal = false; return; }
      history.push(temp76);
    }
  }}
  after -> Nonempty_Expression_L, it, Expression {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Expression_L, next, Nonempty_Expression_L {{
    if (is_equal) {
      Nonempty_Expression_L obj = (Nonempty_Expression_L) history.peek();
      Object temp77 = obj.get_next();
      if(temp77==null) { is_equal = false; return; }
      history.push(temp77);
    }
  }}
  after -> Nonempty_Expression_L, next, Nonempty_Expression_L {{
    if (is_equal) history.pop();
  }}

  before Nonempty_Expression_L {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  return boolean {{ is_equal }}
}