// 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 -> Cd_graph, globalimports, GlobalImports {{
    if (is_equal) {
      Cd_graph obj = (Cd_graph) history.peek();
      Object temp1 = obj.get_globalimports();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> Cd_graph, globalimports, GlobalImports {{
    if (is_equal) history.pop();
  }}

  before -> Cd_graph, adj1, AdjList {{
    if (is_equal) {
      Cd_graph obj = (Cd_graph) history.peek();
      Object temp2 = obj.get_adj1();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> Cd_graph, adj1, AdjList {{
    if (is_equal) history.pop();
  }}

  before -> Cd_graph, visitor_list, VisList {{
    if (is_equal) {
      Cd_graph obj = (Cd_graph) history.peek();
      Object temp3 = obj.get_visitor_list();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> Cd_graph, visitor_list, VisList {{
    if (is_equal) history.pop();
  }}

  before -> Cd_graph, adj2, AdjList {{
    if (is_equal) {
      Cd_graph obj = (Cd_graph) history.peek();
      Object temp4 = obj.get_adj2();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  after -> Cd_graph, adj2, AdjList {{
    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 -> AdjList, adjacency_nlist, Adjacency_Nlist {{
    if (is_equal) {
      AdjList obj = (AdjList) history.peek();
      Object temp5 = obj.get_adjacency_nlist();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  after -> AdjList, adjacency_nlist, Adjacency_Nlist {{
    if (is_equal) history.pop();
  }}

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

  before -> VisList, visstart, VisStart {{
    if (is_equal) {
      VisList obj = (VisList) history.peek();
      Object temp6 = obj.get_visstart();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  after -> VisList, visstart, VisStart {{
    if (is_equal) history.pop();
  }}

  before -> VisList, adjlist, AdjList {{
    if (is_equal) {
      VisList obj = (VisList) history.peek();
      Object temp7 = obj.get_adjlist();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  after -> VisList, adjlist, AdjList {{
    if (is_equal) history.pop();
  }}

  before -> VisList, visend, VisEnd {{
    if (is_equal) {
      VisList obj = (VisList) history.peek();
      Object temp8 = obj.get_visend();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  after -> VisList, visend, VisEnd {{
    if (is_equal) history.pop();
  }}

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

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

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

  before VisStart1 {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before VisStart2 {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before VisStart3 {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before VisEnd1 {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before VisEnd2 {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> GlobalImports, imports, Import_SList {{
    if (is_equal) {
      GlobalImports obj = (GlobalImports) history.peek();
      Object temp9 = obj.get_imports();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  after -> GlobalImports, imports, Import_SList {{
    if (is_equal) history.pop();
  }}

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

  before -> Import, packagename, PackageName {{
    if (is_equal) {
      Import obj = (Import) history.peek();
      Object temp10 = obj.get_packagename();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
  }}
  after -> Import, packagename, PackageName {{
    if (is_equal) history.pop();
  }}

  before -> Import, importallclasses, ImportAllClasses {{
    if (is_equal) {
      Import obj = (Import) history.peek();
      Object temp11 = obj.get_importallclasses();
      if(temp11==null) { is_equal = false; return; }
      history.push(temp11);
    }
  }}
  after -> Import, importallclasses, ImportAllClasses {{
    if (is_equal) history.pop();
  }}

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

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

  before -> PackageName, first, Nonempty_PackageName {{
    if (is_equal) {
      PackageName obj = (PackageName) history.peek();
      Object temp12 = obj.get_first();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  }}
  after -> PackageName, first, Nonempty_PackageName {{
    if (is_equal) history.pop();
  }}

  before PackageName {{
    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 temp13 = obj.get_source();
      if(temp13==null) { is_equal = false; return; }
      history.push(temp13);
    }
  }}
  after -> Adjacency, source, Vertex {{
    if (is_equal) history.pop();
  }}

  before -> Adjacency, parameters, Vertex_Comma_list {{
    if (is_equal) {
      Adjacency obj = (Adjacency) history.peek();
      Object temp14 = obj.get_parameters();
      if(temp14==null) { is_equal = false; return; }
      history.push(temp14);
    }
  }}
  after -> Adjacency, parameters, Vertex_Comma_list {{
    if (is_equal) history.pop();
  }}

  before -> Adjacency, ns, Neighbors {{
    if (is_equal) {
      Adjacency obj = (Adjacency) history.peek();
      Object temp15 = obj.get_ns();
      if(temp15==null) { is_equal = false; return; }
      history.push(temp15);
    }
  }}
  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 temp16 = obj.get_construct_ns();
      if(temp16==null) { is_equal = false; return; }
      history.push(temp16);
    }
  }}
  after -> Neighbors_wc, construct_ns, Any_vertex_List {{
    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 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 temp17 = obj.get_alternat_ns();
      if(temp17==null) { is_equal = false; return; }
      history.push(temp17);
    }
  }}
  after -> Alternat_ns, alternat_ns, Term_Bar_list {{
    if (is_equal) history.pop();
  }}

  before -> Alternat_ns, commmon, Common {{
    if (is_equal) {
      Alternat_ns obj = (Alternat_ns) history.peek();
      Object temp18 = obj.get_commmon();
      if(temp18==null) { is_equal = false; return; }
      history.push(temp18);
    }
  }}
  after -> Alternat_ns, commmon, 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 Common1 {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Common2 {{
    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 temp19 = obj.get_sandwiched();
      if(temp19==null) { is_equal = false; return; }
      history.push(temp19);
    }
  }}
  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 temp20 = obj.get_nonempty();
      if(temp20==null) { is_equal = false; return; }
      history.push(temp20);
    }
  }}
  after -> Kernel, nonempty, Term {{
    if (is_equal) history.pop();
  }}

  before -> Kernel, repeated, Term_Sandwich {{
    if (is_equal) {
      Kernel obj = (Kernel) history.peek();
      Object temp21 = obj.get_repeated();
      if(temp21==null) { is_equal = false; return; }
      history.push(temp21);
    }
  }}
  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 temp22 = host.get_vertex_name();
    Object temp23 = ((Vertex) obj).get_vertex_name();
    if(temp22 == null && temp23 == null) {}
    else if(temp22 == null ||
            temp23 == null ||
            !temp22.equals(temp23)) { 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 temp24 = host.get_string();
    Object temp25 = ((Regular_syntax) obj).get_string();
    if(temp24 == null && temp25 == null) {}
    else if(temp24 == null ||
            temp25 == null ||
            !temp24.equals(temp25)) { is_equal = false; return; }
  }}

  before -> Opt_labeled_term, term, Term {{
    if (is_equal) {
      Opt_labeled_term obj = (Opt_labeled_term) history.peek();
      Object temp26 = obj.get_term();
      if(temp26==null) { is_equal = false; return; }
      history.push(temp26);
    }
  }}
  after -> Opt_labeled_term, term, 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 temp27 = host.get_label_name();
    Object temp28 = ((Labeled) obj).get_label_name();
    if(temp27 == null && temp28 == null) {}
    else if(temp27 == null ||
            temp28 == null ||
            !temp27.equals(temp28)) { is_equal = false; return; }
  }}

  before -> Term, vertex, Vertex {{
    if (is_equal) {
      Term obj = (Term) history.peek();
      Object temp29 = obj.get_vertex();
      if(temp29==null) { is_equal = false; return; }
      history.push(temp29);
    }
  }}
  after -> Term, vertex, Vertex {{
    if (is_equal) history.pop();
  }}

  before -> Term, module_name, Module_name {{
    if (is_equal) {
      Term obj = (Term) history.peek();
      Object temp30 = obj.get_module_name();
      if(temp30==null) { is_equal = false; return; }
      history.push(temp30);
    }
  }}
  after -> Term, module_name, Module_name {{
    if (is_equal) history.pop();
  }}

  before -> Term, actual_parameters, ParVertex_Comma_list {{
    if (is_equal) {
      Term obj = (Term) history.peek();
      Object temp31 = obj.get_actual_parameters();
      if(temp31==null) { is_equal = false; return; }
      history.push(temp31);
    }
  }}
  after -> Term, actual_parameters, ParVertex_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 -> ParVertex, parvertext, Vertex {{
    if (is_equal) {
      ParVertex obj = (ParVertex) history.peek();
      Object temp32 = obj.get_parvertext();
      if(temp32==null) { is_equal = false; return; }
      history.push(temp32);
    }
  }}
  after -> ParVertex, parvertext, Vertex {{
    if (is_equal) history.pop();
  }}

  before ParVertex {{
    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 temp33 = host.get_module_name();
    Object temp34 = ((Module_name) obj).get_module_name();
    if(temp33 == null && temp34 == null) {}
    else if(temp33 == null ||
            temp34 == null ||
            !temp33.equals(temp34)) { 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 temp35 = obj.get_opt();
      if(temp35==null) { is_equal = false; return; }
      history.push(temp35);
    }
  }}
  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 ClassName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp36 = host.get_ident();
    Object temp37 = ((ClassName) obj).get_ident();
    if(temp36 == null && temp37 == null) {}
    else if(temp36 == null ||
            temp37 == null ||
            !temp36.equals(temp37)) { is_equal = false; return; }
  }}

  before PartName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp38 = host.get_ident();
    Object temp39 = ((PartName) obj).get_ident();
    if(temp38 == null && temp39 == null) {}
    else if(temp38 == null ||
            temp39 == null ||
            !temp38.equals(temp39)) { is_equal = false; return; }
  }}

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

  before -> ClassDefList, classinfo_list, ClassInfo_List {{
    if (is_equal) {
      ClassDefList obj = (ClassDefList) history.peek();
      Object temp40 = obj.get_classinfo_list();
      if(temp40==null) { is_equal = false; return; }
      history.push(temp40);
    }
  }}
  after -> ClassDefList, classinfo_list, ClassInfo_List {{
    if (is_equal) history.pop();
  }}

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

  before -> ClassInfo, name, ClassName {{
    if (is_equal) {
      ClassInfo obj = (ClassInfo) history.peek();
      Object temp41 = obj.get_name();
      if(temp41==null) { is_equal = false; return; }
      history.push(temp41);
    }
  }}
  after -> ClassInfo, name, ClassName {{
    if (is_equal) history.pop();
  }}

  before -> ClassInfo, parent, ClassInfo {{
    if (is_equal) {
      ClassInfo obj = (ClassInfo) history.peek();
      Object temp42 = obj.get_parent();
      if(temp42==null) { is_equal = false; return; }
      history.push(temp42);
    }
  }}
  after -> ClassInfo, parent, ClassInfo {{
    if (is_equal) history.pop();
  }}

  before -> ClassInfo, partclass, PartInfo_List {{
    if (is_equal) {
      ClassInfo obj = (ClassInfo) history.peek();
      Object temp43 = obj.get_partclass();
      if(temp43==null) { is_equal = false; return; }
      history.push(temp43);
    }
  }}
  after -> ClassInfo, partclass, PartInfo_List {{
    if (is_equal) history.pop();
  }}

  before -> ClassInfo, subclass, ClassInfo_List {{
    if (is_equal) {
      ClassInfo obj = (ClassInfo) history.peek();
      Object temp44 = obj.get_subclass();
      if(temp44==null) { is_equal = false; return; }
      history.push(temp44);
    }
  }}
  after -> ClassInfo, subclass, ClassInfo_List {{
    if (is_equal) history.pop();
  }}

  before -> ClassInfo, parameter, ClassDefList {{
    if (is_equal) {
      ClassInfo obj = (ClassInfo) history.peek();
      Object temp45 = obj.get_parameter();
      if(temp45==null) { is_equal = false; return; }
      history.push(temp45);
    }
  }}
  after -> ClassInfo, parameter, ClassDefList {{
    if (is_equal) history.pop();
  }}

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

  before -> PartInfo, partname, PartName {{
    if (is_equal) {
      PartInfo obj = (PartInfo) history.peek();
      Object temp46 = obj.get_partname();
      if(temp46==null) { is_equal = false; return; }
      history.push(temp46);
    }
  }}
  after -> PartInfo, partname, PartName {{
    if (is_equal) history.pop();
  }}

  before -> PartInfo, classname, ClassInfo {{
    if (is_equal) {
      PartInfo obj = (PartInfo) history.peek();
      Object temp47 = obj.get_classname();
      if(temp47==null) { is_equal = false; return; }
      history.push(temp47);
    }
  }}
  after -> PartInfo, classname, ClassInfo {{
    if (is_equal) history.pop();
  }}

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

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

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

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

  before FindUCVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp48 = host.get_name();
    Object temp49 = ((FindUCVisitor) obj).get_name();
    if(temp48 == null && temp49 == null) {}
    else if(temp48 == null ||
            temp49 == null ||
            !temp48.equals(temp49)) { is_equal = false; return; }
  }}

  before -> FindPartVisitor, list, ClassInfo {{
    if (is_equal) {
      FindPartVisitor obj = (FindPartVisitor) history.peek();
      Object temp50 = obj.get_list();
      if(temp50==null) { is_equal = false; return; }
      history.push(temp50);
    }
  }}
  after -> FindPartVisitor, list, ClassInfo {{
    if (is_equal) history.pop();
  }}

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

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

  before -> FindComVisitor, list, ClassInfo {{
    if (is_equal) {
      FindComVisitor obj = (FindComVisitor) history.peek();
      Object temp51 = obj.get_list();
      if(temp51==null) { is_equal = false; return; }
      history.push(temp51);
    }
  }}
  after -> FindComVisitor, list, ClassInfo {{
    if (is_equal) history.pop();
  }}

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

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

  before -> FindSubVisitor, list, ClassInfo {{
    if (is_equal) {
      FindSubVisitor obj = (FindSubVisitor) history.peek();
      Object temp52 = obj.get_list();
      if(temp52==null) { is_equal = false; return; }
      history.push(temp52);
    }
  }}
  after -> FindSubVisitor, list, ClassInfo {{
    if (is_equal) history.pop();
  }}

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

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

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

  before Main {{
    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 temp53 = host.get_copy();
    Object temp54 = ((CopyVisitor) obj).get_copy();
    if(temp53 == null && temp54 == null) {}
    else if(temp53 == null ||
            temp54 == null ||
            !temp53.equals(temp54)) { 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 temp55 = obj.get_first();
      if(temp55==null) { is_equal = false; return; }
      history.push(temp55);
    }
  }}
  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 -> Import_SList, first, Nonempty_Import_SList {{
    if (is_equal) {
      Import_SList obj = (Import_SList) history.peek();
      Object temp56 = obj.get_first();
      if(temp56==null) { is_equal = false; return; }
      history.push(temp56);
    }
  }}
  after -> Import_SList, first, Nonempty_Import_SList {{
    if (is_equal) history.pop();
  }}

  before Import_SList {{
    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 temp57 = obj.get_first();
      if(temp57==null) { is_equal = false; return; }
      history.push(temp57);
    }
  }}
  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 temp58 = obj.get_first();
      if(temp58==null) { is_equal = false; return; }
      history.push(temp58);
    }
  }}
  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 -> Term_Bar_list, first, Nonempty_Term_Bar_list {{
    if (is_equal) {
      Term_Bar_list obj = (Term_Bar_list) history.peek();
      Object temp59 = obj.get_first();
      if(temp59==null) { is_equal = false; return; }
      history.push(temp59);
    }
  }}
  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 temp60 = obj.get_first();
      if(temp60==null) { is_equal = false; return; }
      history.push(temp60);
    }
  }}
  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 temp61 = obj.get_inner();
      if(temp61==null) { is_equal = false; return; }
      history.push(temp61);
    }
  }}
  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 temp62 = obj.get_second();
      if(temp62==null) { is_equal = false; return; }
      history.push(temp62);
    }
  }}
  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 temp63 = obj.get_first();
      if(temp63==null) { is_equal = false; return; }
      history.push(temp63);
    }
  }}
  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 temp64 = obj.get_inner();
      if(temp64==null) { is_equal = false; return; }
      history.push(temp64);
    }
  }}
  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 temp65 = obj.get_second();
      if(temp65==null) { is_equal = false; return; }
      history.push(temp65);
    }
  }}
  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 -> ParVertex_Comma_list, first, Nonempty_ParVertex_Comma_list {{
    if (is_equal) {
      ParVertex_Comma_list obj = (ParVertex_Comma_list) history.peek();
      Object temp66 = obj.get_first();
      if(temp66==null) { is_equal = false; return; }
      history.push(temp66);
    }
  }}
  after -> ParVertex_Comma_list, first, Nonempty_ParVertex_Comma_list {{
    if (is_equal) history.pop();
  }}

  before ParVertex_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 temp67 = obj.get_first();
      if(temp67==null) { is_equal = false; return; }
      history.push(temp67);
    }
  }}
  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 temp68 = obj.get_inner();
      if(temp68==null) { is_equal = false; return; }
      history.push(temp68);
    }
  }}
  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 temp69 = obj.get_second();
      if(temp69==null) { is_equal = false; return; }
      history.push(temp69);
    }
  }}
  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 -> ClassInfo_List, first, Nonempty_ClassInfo_List {{
    if (is_equal) {
      ClassInfo_List obj = (ClassInfo_List) history.peek();
      Object temp70 = obj.get_first();
      if(temp70==null) { is_equal = false; return; }
      history.push(temp70);
    }
  }}
  after -> ClassInfo_List, first, Nonempty_ClassInfo_List {{
    if (is_equal) history.pop();
  }}

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

  before -> PartInfo_List, first, Nonempty_PartInfo_List {{
    if (is_equal) {
      PartInfo_List obj = (PartInfo_List) history.peek();
      Object temp71 = obj.get_first();
      if(temp71==null) { is_equal = false; return; }
      history.push(temp71);
    }
  }}
  after -> PartInfo_List, first, Nonempty_PartInfo_List {{
    if (is_equal) history.pop();
  }}

  before PartInfo_List {{
    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 temp72 = obj.get_first();
      if(temp72==null) { is_equal = false; return; }
      history.push(temp72);
    }
  }}
  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_PackageName, next, Nonempty_PackageName {{
    if (is_equal) {
      Nonempty_PackageName obj = (Nonempty_PackageName) history.peek();
      Object temp75 = obj.get_next();
      if(temp75==null) { is_equal = false; return; }
      history.push(temp75);
    }
  }}
  after -> Nonempty_PackageName, next, Nonempty_PackageName {{
    if (is_equal) history.pop();
  }}

  before Nonempty_PackageName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp73 = host.get_it();
    Object temp74 = ((Nonempty_PackageName) obj).get_it();
    if(temp73 == null && temp74 == null) {}
    else if(temp73 == null ||
            temp74 == null ||
            !temp73.equals(temp74)) { is_equal = false; return; }
  }}

  before -> Nonempty_Adjacency_Nlist, it, Adjacency {{
    if (is_equal) {
      Nonempty_Adjacency_Nlist obj = (Nonempty_Adjacency_Nlist) history.peek();
      Object temp76 = obj.get_it();
      if(temp76==null) { is_equal = false; return; }
      history.push(temp76);
    }
  }}
  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 temp77 = obj.get_next();
      if(temp77==null) { is_equal = false; return; }
      history.push(temp77);
    }
  }}
  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_Import_SList, it, Import {{
    if (is_equal) {
      Nonempty_Import_SList obj = (Nonempty_Import_SList) history.peek();
      Object temp78 = obj.get_it();
      if(temp78==null) { is_equal = false; return; }
      history.push(temp78);
    }
  }}
  after -> Nonempty_Import_SList, it, Import {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Import_SList, next, Nonempty_Import_SList {{
    if (is_equal) {
      Nonempty_Import_SList obj = (Nonempty_Import_SList) history.peek();
      Object temp79 = obj.get_next();
      if(temp79==null) { is_equal = false; return; }
      history.push(temp79);
    }
  }}
  after -> Nonempty_Import_SList, next, Nonempty_Import_SList {{
    if (is_equal) history.pop();
  }}

  before Nonempty_Import_SList {{
    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 temp80 = obj.get_it();
      if(temp80==null) { is_equal = false; return; }
      history.push(temp80);
    }
  }}
  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 temp81 = obj.get_next();
      if(temp81==null) { is_equal = false; return; }
      history.push(temp81);
    }
  }}
  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 temp82 = obj.get_it();
      if(temp82==null) { is_equal = false; return; }
      history.push(temp82);
    }
  }}
  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 temp83 = obj.get_next();
      if(temp83==null) { is_equal = false; return; }
      history.push(temp83);
    }
  }}
  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_Term_Bar_list, it, Term {{
    if (is_equal) {
      Nonempty_Term_Bar_list obj = (Nonempty_Term_Bar_list) history.peek();
      Object temp84 = obj.get_it();
      if(temp84==null) { is_equal = false; return; }
      history.push(temp84);
    }
  }}
  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 temp85 = obj.get_next();
      if(temp85==null) { is_equal = false; return; }
      history.push(temp85);
    }
  }}
  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_ParVertex_Comma_list, it, ParVertex {{
    if (is_equal) {
      Nonempty_ParVertex_Comma_list obj = (Nonempty_ParVertex_Comma_list) history.peek();
      Object temp86 = obj.get_it();
      if(temp86==null) { is_equal = false; return; }
      history.push(temp86);
    }
  }}
  after -> Nonempty_ParVertex_Comma_list, it, ParVertex {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_ParVertex_Comma_list, next, Nonempty_ParVertex_Comma_list {{
    if (is_equal) {
      Nonempty_ParVertex_Comma_list obj = (Nonempty_ParVertex_Comma_list) history.peek();
      Object temp87 = obj.get_next();
      if(temp87==null) { is_equal = false; return; }
      history.push(temp87);
    }
  }}
  after -> Nonempty_ParVertex_Comma_list, next, Nonempty_ParVertex_Comma_list {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_ClassInfo_List, it, ClassInfo {{
    if (is_equal) {
      Nonempty_ClassInfo_List obj = (Nonempty_ClassInfo_List) history.peek();
      Object temp88 = obj.get_it();
      if(temp88==null) { is_equal = false; return; }
      history.push(temp88);
    }
  }}
  after -> Nonempty_ClassInfo_List, it, ClassInfo {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_ClassInfo_List, next, Nonempty_ClassInfo_List {{
    if (is_equal) {
      Nonempty_ClassInfo_List obj = (Nonempty_ClassInfo_List) history.peek();
      Object temp89 = obj.get_next();
      if(temp89==null) { is_equal = false; return; }
      history.push(temp89);
    }
  }}
  after -> Nonempty_ClassInfo_List, next, Nonempty_ClassInfo_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_PartInfo_List, it, PartInfo {{
    if (is_equal) {
      Nonempty_PartInfo_List obj = (Nonempty_PartInfo_List) history.peek();
      Object temp90 = obj.get_it();
      if(temp90==null) { is_equal = false; return; }
      history.push(temp90);
    }
  }}
  after -> Nonempty_PartInfo_List, it, PartInfo {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_PartInfo_List, next, Nonempty_PartInfo_List {{
    if (is_equal) {
      Nonempty_PartInfo_List obj = (Nonempty_PartInfo_List) history.peek();
      Object temp91 = obj.get_next();
      if(temp91==null) { is_equal = false; return; }
      history.push(temp91);
    }
  }}
  after -> Nonempty_PartInfo_List, next, Nonempty_PartInfo_List {{
    if (is_equal) history.pop();
  }}

  before Nonempty_PartInfo_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 temp92 = obj.get_it();
      if(temp92==null) { is_equal = false; return; }
      history.push(temp92);
    }
  }}
  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 temp93 = obj.get_next();
      if(temp93==null) { is_equal = false; return; }
      history.push(temp93);
    }
  }}
  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 }}
}