// 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;
    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 -> PathwayModelingLanguage, domains, DomDecl_List {{
    if (is_equal) {
      PathwayModelingLanguage obj = (PathwayModelingLanguage) history.peek();
      Object temp3 = obj.get_domains();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> PathwayModelingLanguage, domains, DomDecl_List {{
    if (is_equal) history.pop();
  }}

  before -> PathwayModelingLanguage, groups, GrpDecl_List {{
    if (is_equal) {
      PathwayModelingLanguage obj = (PathwayModelingLanguage) history.peek();
      Object temp4 = obj.get_groups();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  after -> PathwayModelingLanguage, groups, GrpDecl_List {{
    if (is_equal) history.pop();
  }}

  before -> PathwayModelingLanguage, compartments, ComDecl_List {{
    if (is_equal) {
      PathwayModelingLanguage obj = (PathwayModelingLanguage) history.peek();
      Object temp5 = obj.get_compartments();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  after -> PathwayModelingLanguage, compartments, ComDecl_List {{
    if (is_equal) history.pop();
  }}

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

  before -> DomDecl, domainid, DomainId {{
    if (is_equal) {
      DomDecl obj = (DomDecl) history.peek();
      Object temp6 = obj.get_domainid();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  after -> DomDecl, domainid, DomainId {{
    if (is_equal) history.pop();
  }}

  before -> DomDecl, domexp, DomExp {{
    if (is_equal) {
      DomDecl obj = (DomDecl) history.peek();
      Object temp7 = obj.get_domexp();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  after -> DomDecl, domexp, DomExp {{
    if (is_equal) history.pop();
  }}

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

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

  before -> DomainExpression, bridge, Bridge {{
    if (is_equal) {
      DomainExpression obj = (DomainExpression) history.peek();
      Object temp8 = obj.get_bridge();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  }}
  after -> DomainExpression, bridge, Bridge {{
    if (is_equal) history.pop();
  }}

  before -> DomainExpression, siteid_seq, SiteId_Seq {{
    if (is_equal) {
      DomainExpression obj = (DomainExpression) history.peek();
      Object temp9 = obj.get_siteid_seq();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  }}
  after -> DomainExpression, siteid_seq, SiteId_Seq {{
    if (is_equal) history.pop();
  }}

  before -> DomainExpression, domdesc, DomDesc {{
    if (is_equal) {
      DomainExpression obj = (DomainExpression) history.peek();
      Object temp10 = obj.get_domdesc();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
  }}
  after -> DomainExpression, domdesc, DomDesc {{
    if (is_equal) history.pop();
  }}

  before -> DomainExpression, ruleid_seq, RuleId_Seq {{
    if (is_equal) {
      DomainExpression obj = (DomainExpression) history.peek();
      Object temp11 = obj.get_ruleid_seq();
      if(temp11==null) { is_equal = false; return; }
      history.push(temp11);
    }
  }}
  after -> DomainExpression, ruleid_seq, RuleId_Seq {{
    if (is_equal) history.pop();
  }}

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

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

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

  before -> GrpDecl, groupid, GroupId {{
    if (is_equal) {
      GrpDecl obj = (GrpDecl) history.peek();
      Object temp12 = obj.get_groupid();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  }}
  after -> GrpDecl, groupid, GroupId {{
    if (is_equal) history.pop();
  }}

  before -> GrpDecl, grpexp, GrpExp {{
    if (is_equal) {
      GrpDecl obj = (GrpDecl) history.peek();
      Object temp13 = obj.get_grpexp();
      if(temp13==null) { is_equal = false; return; }
      history.push(temp13);
    }
  }}
  after -> GrpDecl, grpexp, GrpExp {{
    if (is_equal) history.pop();
  }}

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

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

  before -> ComDecl, compartmentid, CompartmentId {{
    if (is_equal) {
      ComDecl obj = (ComDecl) history.peek();
      Object temp14 = obj.get_compartmentid();
      if(temp14==null) { is_equal = false; return; }
      history.push(temp14);
    }
  }}
  after -> ComDecl, compartmentid, CompartmentId {{
    if (is_equal) history.pop();
  }}

  before -> ComDecl, comexp, ComExp {{
    if (is_equal) {
      ComDecl obj = (ComDecl) history.peek();
      Object temp15 = obj.get_comexp();
      if(temp15==null) { is_equal = false; return; }
      history.push(temp15);
    }
  }}
  after -> ComDecl, comexp, ComExp {{
    if (is_equal) history.pop();
  }}

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

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

  before SiteId {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp16 = host.get_ident();
    Object temp17 = ((SiteId) obj).get_ident();
    if(temp16 == null && temp17 == null) {}
    else if(temp16 == null ||
            temp17 == null ||
            !temp16.equals(temp17)) { is_equal = false; return; }
  }}

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

  before DomainId {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp20 = host.get_ident();
    Object temp21 = ((DomainId) obj).get_ident();
    if(temp20 == null && temp21 == null) {}
    else if(temp20 == null ||
            temp21 == null ||
            !temp20.equals(temp21)) { is_equal = false; return; }
  }}

  before GroupId {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp22 = host.get_ident();
    Object temp23 = ((GroupId) obj).get_ident();
    if(temp22 == null && temp23 == null) {}
    else if(temp22 == null ||
            temp23 == null ||
            !temp22.equals(temp23)) { is_equal = false; return; }
  }}

  before CompartmentId {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp24 = host.get_ident();
    Object temp25 = ((CompartmentId) obj).get_ident();
    if(temp24 == null && temp25 == null) {}
    else if(temp24 == null ||
            temp25 == null ||
            !temp24.equals(temp25)) { 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 temp26 = host.get_copy();
    Object temp27 = ((CopyVisitor) obj).get_copy();
    if(temp26 == null && temp27 == null) {}
    else if(temp26 == null ||
            temp27 == null ||
            !temp26.equals(temp27)) { 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 -> DomDecl_List, first, Nonempty_DomDecl_List {{
    if (is_equal) {
      DomDecl_List obj = (DomDecl_List) history.peek();
      Object temp28 = obj.get_first();
      if(temp28==null) { is_equal = false; return; }
      history.push(temp28);
    }
  }}
  after -> DomDecl_List, first, Nonempty_DomDecl_List {{
    if (is_equal) history.pop();
  }}

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

  before -> GrpDecl_List, first, Nonempty_GrpDecl_List {{
    if (is_equal) {
      GrpDecl_List obj = (GrpDecl_List) history.peek();
      Object temp29 = obj.get_first();
      if(temp29==null) { is_equal = false; return; }
      history.push(temp29);
    }
  }}
  after -> GrpDecl_List, first, Nonempty_GrpDecl_List {{
    if (is_equal) history.pop();
  }}

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

  before -> ComDecl_List, first, Nonempty_ComDecl_List {{
    if (is_equal) {
      ComDecl_List obj = (ComDecl_List) history.peek();
      Object temp30 = obj.get_first();
      if(temp30==null) { is_equal = false; return; }
      history.push(temp30);
    }
  }}
  after -> ComDecl_List, first, Nonempty_ComDecl_List {{
    if (is_equal) history.pop();
  }}

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

  before -> SiteId_Seq, first, Nonempty_SiteId_Seq {{
    if (is_equal) {
      SiteId_Seq obj = (SiteId_Seq) history.peek();
      Object temp31 = obj.get_first();
      if(temp31==null) { is_equal = false; return; }
      history.push(temp31);
    }
  }}
  after -> SiteId_Seq, first, Nonempty_SiteId_Seq {{
    if (is_equal) history.pop();
  }}

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

  before -> RuleId_Seq, first, Nonempty_RuleId_Seq {{
    if (is_equal) {
      RuleId_Seq obj = (RuleId_Seq) history.peek();
      Object temp32 = obj.get_first();
      if(temp32==null) { is_equal = false; return; }
      history.push(temp32);
    }
  }}
  after -> RuleId_Seq, first, Nonempty_RuleId_Seq {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_DomDecl_List, it, DomDecl {{
    if (is_equal) {
      Nonempty_DomDecl_List obj = (Nonempty_DomDecl_List) history.peek();
      Object temp33 = obj.get_it();
      if(temp33==null) { is_equal = false; return; }
      history.push(temp33);
    }
  }}
  after -> Nonempty_DomDecl_List, it, DomDecl {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_DomDecl_List, next, Nonempty_DomDecl_List {{
    if (is_equal) {
      Nonempty_DomDecl_List obj = (Nonempty_DomDecl_List) history.peek();
      Object temp34 = obj.get_next();
      if(temp34==null) { is_equal = false; return; }
      history.push(temp34);
    }
  }}
  after -> Nonempty_DomDecl_List, next, Nonempty_DomDecl_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_GrpDecl_List, it, GrpDecl {{
    if (is_equal) {
      Nonempty_GrpDecl_List obj = (Nonempty_GrpDecl_List) history.peek();
      Object temp35 = obj.get_it();
      if(temp35==null) { is_equal = false; return; }
      history.push(temp35);
    }
  }}
  after -> Nonempty_GrpDecl_List, it, GrpDecl {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_GrpDecl_List, next, Nonempty_GrpDecl_List {{
    if (is_equal) {
      Nonempty_GrpDecl_List obj = (Nonempty_GrpDecl_List) history.peek();
      Object temp36 = obj.get_next();
      if(temp36==null) { is_equal = false; return; }
      history.push(temp36);
    }
  }}
  after -> Nonempty_GrpDecl_List, next, Nonempty_GrpDecl_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_ComDecl_List, it, ComDecl {{
    if (is_equal) {
      Nonempty_ComDecl_List obj = (Nonempty_ComDecl_List) history.peek();
      Object temp37 = obj.get_it();
      if(temp37==null) { is_equal = false; return; }
      history.push(temp37);
    }
  }}
  after -> Nonempty_ComDecl_List, it, ComDecl {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_ComDecl_List, next, Nonempty_ComDecl_List {{
    if (is_equal) {
      Nonempty_ComDecl_List obj = (Nonempty_ComDecl_List) history.peek();
      Object temp38 = obj.get_next();
      if(temp38==null) { is_equal = false; return; }
      history.push(temp38);
    }
  }}
  after -> Nonempty_ComDecl_List, next, Nonempty_ComDecl_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_SiteId_Seq, it, SiteId {{
    if (is_equal) {
      Nonempty_SiteId_Seq obj = (Nonempty_SiteId_Seq) history.peek();
      Object temp39 = obj.get_it();
      if(temp39==null) { is_equal = false; return; }
      history.push(temp39);
    }
  }}
  after -> Nonempty_SiteId_Seq, it, SiteId {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_SiteId_Seq, next, Nonempty_SiteId_Seq {{
    if (is_equal) {
      Nonempty_SiteId_Seq obj = (Nonempty_SiteId_Seq) history.peek();
      Object temp40 = obj.get_next();
      if(temp40==null) { is_equal = false; return; }
      history.push(temp40);
    }
  }}
  after -> Nonempty_SiteId_Seq, next, Nonempty_SiteId_Seq {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_RuleId_Seq, it, RuleId {{
    if (is_equal) {
      Nonempty_RuleId_Seq obj = (Nonempty_RuleId_Seq) history.peek();
      Object temp41 = obj.get_it();
      if(temp41==null) { is_equal = false; return; }
      history.push(temp41);
    }
  }}
  after -> Nonempty_RuleId_Seq, it, RuleId {{
    if (is_equal) history.pop();
  }}

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

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

  return boolean {{ is_equal }}
}