// This file is automatically generated by DemeterJ.

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

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

  before -> Cd_graph, adjacencies, Adjacency_Nlist {{
    if (is_equal) {
      Cd_graph obj = (Cd_graph) history.peek();
      Object temp1 = obj.get_adjacencies();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> Cd_graph, adjacencies, Adjacency_Nlist {{
    if (is_equal) history.pop();
  }}

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

  before -> Adjacency, source, Vertex {{
    if (is_equal) {
      Adjacency obj = (Adjacency) history.peek();
      Object temp2 = obj.get_source();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> Adjacency, source, Vertex {{
    if (is_equal) history.pop();
  }}

  before -> Adjacency, parameters, Vertex_Comma_list {{
    if (is_equal) {
      Adjacency obj = (Adjacency) history.peek();
      Object temp3 = obj.get_parameters();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> Adjacency, parameters, Vertex_Comma_list {{
    if (is_equal) history.pop();
  }}

  before -> Adjacency, ns, Neighbors {{
    if (is_equal) {
      Adjacency obj = (Adjacency) history.peek();
      Object temp4 = obj.get_ns();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  after -> Adjacency, ns, Neighbors {{
    if (is_equal) history.pop();
  }}

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

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

  before -> Neighbors_wc, construct_ns, Any_vertex_List {{
    if (is_equal) {
      Neighbors_wc obj = (Neighbors_wc) history.peek();
      Object temp5 = obj.get_construct_ns();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  after -> Neighbors_wc, construct_ns, Any_vertex_List {{
    if (is_equal) history.pop();
  }}

  before -> Neighbors_wc, parents, ParentList {{
    if (is_equal) {
      Neighbors_wc obj = (Neighbors_wc) history.peek();
      Object temp6 = obj.get_parents();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  after -> Neighbors_wc, parents, ParentList {{
    if (is_equal) history.pop();
  }}

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

  before -> ParentList, ps, Adjacency_List {{
    if (is_equal) {
      ParentList obj = (ParentList) history.peek();
      Object temp7 = obj.get_ps();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  after -> ParentList, ps, Adjacency_List {{
    if (is_equal) history.pop();
  }}

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

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

  before -> Alternat_ns, alternat_ns, Term_Bar_list {{
    if (is_equal) {
      Alternat_ns obj = (Alternat_ns) history.peek();
      Object temp8 = obj.get_alternat_ns();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  after -> Alternat_ns, alternat_ns, Term_Bar_list {{
    if (is_equal) history.pop();
  }}

  before -> Alternat_ns, common, Common {{
    if (is_equal) {
      Alternat_ns obj = (Alternat_ns) history.peek();
      Object temp9 = obj.get_common();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  after -> Alternat_ns, common, Common {{
    if (is_equal) history.pop();
  }}

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

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

  before -> Repetit_n, sandwiched, Kernel_Sandwich {{
    if (is_equal) {
      Repetit_n obj = (Repetit_n) history.peek();
      Object temp10 = obj.get_sandwiched();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
  }}
  after -> Repetit_n, sandwiched, Kernel_Sandwich {{
    if (is_equal) history.pop();
  }}

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

  before -> Kernel, nonempty, Term {{
    if (is_equal) {
      Kernel obj = (Kernel) history.peek();
      Object temp11 = obj.get_nonempty();
      if(temp11==null) { is_equal = false; return; }
      history.push(temp11);
    }
  }}
  after -> Kernel, nonempty, Term {{
    if (is_equal) history.pop();
  }}

  before -> Kernel, repeated, Term_Sandwich {{
    if (is_equal) {
      Kernel obj = (Kernel) history.peek();
      Object temp12 = obj.get_repeated();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  }}
  after -> Kernel, repeated, Term_Sandwich {{
    if (is_equal) history.pop();
  }}

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

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

  before Vertex {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp13 = host.get_vertex_name();
    Object temp14 = ((Vertex) obj).get_vertex_name();
    if(temp13 == null && temp14 == null) {}
    else if(temp13 == null ||
            temp14 == null ||
            !temp13.equals(temp14)) { is_equal = false; return; }
  }}

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

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

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

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

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

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

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

  before -> Opt_labeled_term, vertex, Term {{
    if (is_equal) {
      Opt_labeled_term obj = (Opt_labeled_term) history.peek();
      Object temp17 = obj.get_vertex();
      if(temp17==null) { is_equal = false; return; }
      history.push(temp17);
    }
  }}
  after -> Opt_labeled_term, vertex, Term {{
    if (is_equal) history.pop();
  }}

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

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

  before Labeled {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp18 = host.get_label_name();
    Object temp19 = ((Labeled) obj).get_label_name();
    if(temp18 == null && temp19 == null) {}
    else if(temp18 == null ||
            temp19 == null ||
            !temp18.equals(temp19)) { is_equal = false; return; }
  }}

  before -> Term, vertex, Vertex {{
    if (is_equal) {
      Term obj = (Term) history.peek();
      Object temp20 = obj.get_vertex();
      if(temp20==null) { is_equal = false; return; }
      history.push(temp20);
    }
  }}
  after -> Term, vertex, Vertex {{
    if (is_equal) history.pop();
  }}

  before -> Term, module_name, Module_name {{
    if (is_equal) {
      Term obj = (Term) history.peek();
      Object temp21 = obj.get_module_name();
      if(temp21==null) { is_equal = false; return; }
      history.push(temp21);
    }
  }}
  after -> Term, module_name, Module_name {{
    if (is_equal) history.pop();
  }}

  before -> Term, actual_parameters, Term_Comma_list {{
    if (is_equal) {
      Term obj = (Term) history.peek();
      Object temp22 = obj.get_actual_parameters();
      if(temp22==null) { is_equal = false; return; }
      history.push(temp22);
    }
  }}
  after -> Term, actual_parameters, Term_Comma_list {{
    if (is_equal) history.pop();
  }}

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

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

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

  before -> Optional_term, opt, Opt_labeled_term_Sandwich {{
    if (is_equal) {
      Optional_term obj = (Optional_term) history.peek();
      Object temp25 = obj.get_opt();
      if(temp25==null) { is_equal = false; return; }
      history.push(temp25);
    }
  }}
  after -> Optional_term, opt, Opt_labeled_term_Sandwich {{
    if (is_equal) history.pop();
  }}

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

  before -> FindClassVisitor, rv, Adjacency {{
    if (is_equal) {
      FindClassVisitor obj = (FindClassVisitor) history.peek();
      Object temp28 = obj.get_rv();
      if(temp28==null) { is_equal = false; return; }
      history.push(temp28);
    }
  }}
  after -> FindClassVisitor, rv, Adjacency {{
    if (is_equal) history.pop();
  }}

  before FindClassVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp26 = host.get_id();
    Object temp27 = ((FindClassVisitor) obj).get_id();
    if(temp26 == null && temp27 == null) {}
    else if(temp26 == null ||
            temp27 == null ||
            !temp26.equals(temp27)) { is_equal = false; return; }
  }}

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

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

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

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

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

  before InhCycleVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp29 = host.get_alreadyChecked();
    Object temp30 = ((InhCycleVisitor) obj).get_alreadyChecked();
    if(temp29 == null && temp30 == null) {}
    else if(temp29 == null ||
            temp30 == null ||
            !temp29.equals(temp30)) { is_equal = false; return; }
  }}

  before TBRVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) 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 temp31 = host.get_copy();
    Object temp32 = ((CopyVisitor) obj).get_copy();
    if(temp31 == null && temp32 == null) {}
    else if(temp31 == null ||
            temp32 == null ||
            !temp31.equals(temp32)) { 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 -> Adjacency_Nlist, first, Nonempty_Adjacency_Nlist {{
    if (is_equal) {
      Adjacency_Nlist obj = (Adjacency_Nlist) history.peek();
      Object temp33 = obj.get_first();
      if(temp33==null) { is_equal = false; return; }
      history.push(temp33);
    }
  }}
  after -> Adjacency_Nlist, first, Nonempty_Adjacency_Nlist {{
    if (is_equal) history.pop();
  }}

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

  before -> Vertex_Comma_list, first, Nonempty_Vertex_Comma_list {{
    if (is_equal) {
      Vertex_Comma_list obj = (Vertex_Comma_list) history.peek();
      Object temp34 = obj.get_first();
      if(temp34==null) { is_equal = false; return; }
      history.push(temp34);
    }
  }}
  after -> Vertex_Comma_list, first, Nonempty_Vertex_Comma_list {{
    if (is_equal) history.pop();
  }}

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

  before -> Any_vertex_List, first, Nonempty_Any_vertex_List {{
    if (is_equal) {
      Any_vertex_List obj = (Any_vertex_List) history.peek();
      Object temp35 = obj.get_first();
      if(temp35==null) { is_equal = false; return; }
      history.push(temp35);
    }
  }}
  after -> Any_vertex_List, first, Nonempty_Any_vertex_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Adjacency_List, first, Nonempty_Adjacency_List {{
    if (is_equal) {
      Adjacency_List obj = (Adjacency_List) history.peek();
      Object temp36 = obj.get_first();
      if(temp36==null) { is_equal = false; return; }
      history.push(temp36);
    }
  }}
  after -> Adjacency_List, first, Nonempty_Adjacency_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Term_Bar_list, first, Nonempty_Term_Bar_list {{
    if (is_equal) {
      Term_Bar_list obj = (Term_Bar_list) history.peek();
      Object temp37 = obj.get_first();
      if(temp37==null) { is_equal = false; return; }
      history.push(temp37);
    }
  }}
  after -> Term_Bar_list, first, Nonempty_Term_Bar_list {{
    if (is_equal) history.pop();
  }}

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

  before -> Kernel_Sandwich, first, Syntax_vertex_List {{
    if (is_equal) {
      Kernel_Sandwich obj = (Kernel_Sandwich) history.peek();
      Object temp38 = obj.get_first();
      if(temp38==null) { is_equal = false; return; }
      history.push(temp38);
    }
  }}
  after -> Kernel_Sandwich, first, Syntax_vertex_List {{
    if (is_equal) history.pop();
  }}

  before -> Kernel_Sandwich, inner, Kernel {{
    if (is_equal) {
      Kernel_Sandwich obj = (Kernel_Sandwich) history.peek();
      Object temp39 = obj.get_inner();
      if(temp39==null) { is_equal = false; return; }
      history.push(temp39);
    }
  }}
  after -> Kernel_Sandwich, inner, Kernel {{
    if (is_equal) history.pop();
  }}

  before -> Kernel_Sandwich, second, Syntax_vertex_List {{
    if (is_equal) {
      Kernel_Sandwich obj = (Kernel_Sandwich) history.peek();
      Object temp40 = obj.get_second();
      if(temp40==null) { is_equal = false; return; }
      history.push(temp40);
    }
  }}
  after -> Kernel_Sandwich, second, Syntax_vertex_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Term_Sandwich, first, Syntax_vertex_List {{
    if (is_equal) {
      Term_Sandwich obj = (Term_Sandwich) history.peek();
      Object temp41 = obj.get_first();
      if(temp41==null) { is_equal = false; return; }
      history.push(temp41);
    }
  }}
  after -> Term_Sandwich, first, Syntax_vertex_List {{
    if (is_equal) history.pop();
  }}

  before -> Term_Sandwich, inner, Term {{
    if (is_equal) {
      Term_Sandwich obj = (Term_Sandwich) history.peek();
      Object temp42 = obj.get_inner();
      if(temp42==null) { is_equal = false; return; }
      history.push(temp42);
    }
  }}
  after -> Term_Sandwich, inner, Term {{
    if (is_equal) history.pop();
  }}

  before -> Term_Sandwich, second, Syntax_vertex_List {{
    if (is_equal) {
      Term_Sandwich obj = (Term_Sandwich) history.peek();
      Object temp43 = obj.get_second();
      if(temp43==null) { is_equal = false; return; }
      history.push(temp43);
    }
  }}
  after -> Term_Sandwich, second, Syntax_vertex_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Term_Comma_list, first, Nonempty_Term_Comma_list {{
    if (is_equal) {
      Term_Comma_list obj = (Term_Comma_list) history.peek();
      Object temp44 = obj.get_first();
      if(temp44==null) { is_equal = false; return; }
      history.push(temp44);
    }
  }}
  after -> Term_Comma_list, first, Nonempty_Term_Comma_list {{
    if (is_equal) history.pop();
  }}

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

  before -> Opt_labeled_term_Sandwich, first, Syntax_vertex_List {{
    if (is_equal) {
      Opt_labeled_term_Sandwich obj = (Opt_labeled_term_Sandwich) history.peek();
      Object temp45 = obj.get_first();
      if(temp45==null) { is_equal = false; return; }
      history.push(temp45);
    }
  }}
  after -> Opt_labeled_term_Sandwich, first, Syntax_vertex_List {{
    if (is_equal) history.pop();
  }}

  before -> Opt_labeled_term_Sandwich, inner, Opt_labeled_term {{
    if (is_equal) {
      Opt_labeled_term_Sandwich obj = (Opt_labeled_term_Sandwich) history.peek();
      Object temp46 = obj.get_inner();
      if(temp46==null) { is_equal = false; return; }
      history.push(temp46);
    }
  }}
  after -> Opt_labeled_term_Sandwich, inner, Opt_labeled_term {{
    if (is_equal) history.pop();
  }}

  before -> Opt_labeled_term_Sandwich, second, Syntax_vertex_List {{
    if (is_equal) {
      Opt_labeled_term_Sandwich obj = (Opt_labeled_term_Sandwich) history.peek();
      Object temp47 = obj.get_second();
      if(temp47==null) { is_equal = false; return; }
      history.push(temp47);
    }
  }}
  after -> Opt_labeled_term_Sandwich, second, Syntax_vertex_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Syntax_vertex_List, first, Nonempty_Syntax_vertex_List {{
    if (is_equal) {
      Syntax_vertex_List obj = (Syntax_vertex_List) history.peek();
      Object temp48 = obj.get_first();
      if(temp48==null) { is_equal = false; return; }
      history.push(temp48);
    }
  }}
  after -> Syntax_vertex_List, first, Nonempty_Syntax_vertex_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Adjacency_Nlist, it, Adjacency {{
    if (is_equal) {
      Nonempty_Adjacency_Nlist obj = (Nonempty_Adjacency_Nlist) history.peek();
      Object temp49 = obj.get_it();
      if(temp49==null) { is_equal = false; return; }
      history.push(temp49);
    }
  }}
  after -> Nonempty_Adjacency_Nlist, it, Adjacency {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Adjacency_Nlist, next, Nonempty_Adjacency_Nlist {{
    if (is_equal) {
      Nonempty_Adjacency_Nlist obj = (Nonempty_Adjacency_Nlist) history.peek();
      Object temp50 = obj.get_next();
      if(temp50==null) { is_equal = false; return; }
      history.push(temp50);
    }
  }}
  after -> Nonempty_Adjacency_Nlist, next, Nonempty_Adjacency_Nlist {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Vertex_Comma_list, it, Vertex {{
    if (is_equal) {
      Nonempty_Vertex_Comma_list obj = (Nonempty_Vertex_Comma_list) history.peek();
      Object temp51 = obj.get_it();
      if(temp51==null) { is_equal = false; return; }
      history.push(temp51);
    }
  }}
  after -> Nonempty_Vertex_Comma_list, it, Vertex {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Vertex_Comma_list, next, Nonempty_Vertex_Comma_list {{
    if (is_equal) {
      Nonempty_Vertex_Comma_list obj = (Nonempty_Vertex_Comma_list) history.peek();
      Object temp52 = obj.get_next();
      if(temp52==null) { is_equal = false; return; }
      history.push(temp52);
    }
  }}
  after -> Nonempty_Vertex_Comma_list, next, Nonempty_Vertex_Comma_list {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Any_vertex_List, it, Any_vertex {{
    if (is_equal) {
      Nonempty_Any_vertex_List obj = (Nonempty_Any_vertex_List) history.peek();
      Object temp53 = obj.get_it();
      if(temp53==null) { is_equal = false; return; }
      history.push(temp53);
    }
  }}
  after -> Nonempty_Any_vertex_List, it, Any_vertex {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Any_vertex_List, next, Nonempty_Any_vertex_List {{
    if (is_equal) {
      Nonempty_Any_vertex_List obj = (Nonempty_Any_vertex_List) history.peek();
      Object temp54 = obj.get_next();
      if(temp54==null) { is_equal = false; return; }
      history.push(temp54);
    }
  }}
  after -> Nonempty_Any_vertex_List, next, Nonempty_Any_vertex_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Adjacency_List, it, Adjacency {{
    if (is_equal) {
      Nonempty_Adjacency_List obj = (Nonempty_Adjacency_List) history.peek();
      Object temp55 = obj.get_it();
      if(temp55==null) { is_equal = false; return; }
      history.push(temp55);
    }
  }}
  after -> Nonempty_Adjacency_List, it, Adjacency {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Adjacency_List, next, Nonempty_Adjacency_List {{
    if (is_equal) {
      Nonempty_Adjacency_List obj = (Nonempty_Adjacency_List) history.peek();
      Object temp56 = obj.get_next();
      if(temp56==null) { is_equal = false; return; }
      history.push(temp56);
    }
  }}
  after -> Nonempty_Adjacency_List, next, Nonempty_Adjacency_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Term_Bar_list, it, Term {{
    if (is_equal) {
      Nonempty_Term_Bar_list obj = (Nonempty_Term_Bar_list) history.peek();
      Object temp57 = obj.get_it();
      if(temp57==null) { is_equal = false; return; }
      history.push(temp57);
    }
  }}
  after -> Nonempty_Term_Bar_list, it, Term {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Term_Bar_list, next, Nonempty_Term_Bar_list {{
    if (is_equal) {
      Nonempty_Term_Bar_list obj = (Nonempty_Term_Bar_list) history.peek();
      Object temp58 = obj.get_next();
      if(temp58==null) { is_equal = false; return; }
      history.push(temp58);
    }
  }}
  after -> Nonempty_Term_Bar_list, next, Nonempty_Term_Bar_list {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Term_Comma_list, it, Term {{
    if (is_equal) {
      Nonempty_Term_Comma_list obj = (Nonempty_Term_Comma_list) history.peek();
      Object temp59 = obj.get_it();
      if(temp59==null) { is_equal = false; return; }
      history.push(temp59);
    }
  }}
  after -> Nonempty_Term_Comma_list, it, Term {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Term_Comma_list, next, Nonempty_Term_Comma_list {{
    if (is_equal) {
      Nonempty_Term_Comma_list obj = (Nonempty_Term_Comma_list) history.peek();
      Object temp60 = obj.get_next();
      if(temp60==null) { is_equal = false; return; }
      history.push(temp60);
    }
  }}
  after -> Nonempty_Term_Comma_list, next, Nonempty_Term_Comma_list {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Syntax_vertex_List, it, Syntax_vertex {{
    if (is_equal) {
      Nonempty_Syntax_vertex_List obj = (Nonempty_Syntax_vertex_List) history.peek();
      Object temp61 = obj.get_it();
      if(temp61==null) { is_equal = false; return; }
      history.push(temp61);
    }
  }}
  after -> Nonempty_Syntax_vertex_List, it, Syntax_vertex {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Syntax_vertex_List, next, Nonempty_Syntax_vertex_List {{
    if (is_equal) {
      Nonempty_Syntax_vertex_List obj = (Nonempty_Syntax_vertex_List) history.peek();
      Object temp62 = obj.get_next();
      if(temp62==null) { is_equal = false; return; }
      history.push(temp62);
    }
  }}
  after -> Nonempty_Syntax_vertex_List, next, Nonempty_Syntax_vertex_List {{
    if (is_equal) history.pop();
  }}

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

  return boolean {{ is_equal }}
}