// 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 -> Instance, presentation, PresentationXMLElement {{
    if (is_equal) {
      Instance obj = (Instance) history.peek();
      Object temp1 = obj.get_presentation();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> Instance, presentation, PresentationXMLElement {{
    if (is_equal) history.pop();
  }}

  before -> Instance, domains, DomainsXMLElement {{
    if (is_equal) {
      Instance obj = (Instance) history.peek();
      Object temp2 = obj.get_domains();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> Instance, domains, DomainsXMLElement {{
    if (is_equal) history.pop();
  }}

  before -> Instance, variables, VariablesXMLElement {{
    if (is_equal) {
      Instance obj = (Instance) history.peek();
      Object temp3 = obj.get_variables();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> Instance, variables, VariablesXMLElement {{
    if (is_equal) history.pop();
  }}

  before -> Instance, relations, RelationsXMLElement {{
    if (is_equal) {
      Instance obj = (Instance) history.peek();
      Object temp4 = obj.get_relations();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  after -> Instance, relations, RelationsXMLElement {{
    if (is_equal) history.pop();
  }}

  before -> Instance, constraints, ConstraintsXMLElement {{
    if (is_equal) {
      Instance obj = (Instance) history.peek();
      Object temp5 = obj.get_constraints();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  after -> Instance, constraints, ConstraintsXMLElement {{
    if (is_equal) history.pop();
  }}

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

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

  before PresentationNameAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp6 = host.get_name();
    Object temp7 = ((PresentationNameAttribute) obj).get_name();
    if(temp6 == null && temp7 == null) {}
    else if(temp6 == null ||
            temp7 == null ||
            !temp6.equals(temp7)) { is_equal = false; return; }
  }}

  before PresentationMaxConstraintArityAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp8 = host.get_maxConstraintArity();
    Object temp9 = ((PresentationMaxConstraintArityAttribute) obj).get_maxConstraintArity();
    if(temp8 == null && temp9 == null) {}
    else if(temp8 == null ||
            temp9 == null ||
            !temp8.equals(temp9)) { is_equal = false; return; }
  }}

  before PresentationNbSolutionAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp10 = host.get_nbSolutions();
    Object temp11 = ((PresentationNbSolutionAttribute) obj).get_nbSolutions();
    if(temp10 == null && temp11 == null) {}
    else if(temp10 == null ||
            temp11 == null ||
            !temp10.equals(temp11)) { is_equal = false; return; }
  }}

  before PresentationSolutionAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp12 = host.get_solution();
    Object temp13 = ((PresentationSolutionAttribute) obj).get_solution();
    if(temp12 == null && temp13 == null) {}
    else if(temp12 == null ||
            temp13 == null ||
            !temp12.equals(temp13)) { is_equal = false; return; }
  }}

  before PresentationMaxSatisfiableConstraintsAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp14 = host.get_maxSatisfiableConstraints();
    Object temp15 = ((PresentationMaxSatisfiableConstraintsAttribute) obj).get_maxSatisfiableConstraints();
    if(temp14 == null && temp15 == null) {}
    else if(temp14 == null ||
            temp15 == null ||
            !temp14.equals(temp15)) { is_equal = false; return; }
  }}

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

  before -> PresentationXMLAttributeList, presentationxmlattribute_list, PresentationXMLAttribute_List {{
    if (is_equal) {
      PresentationXMLAttributeList obj = (PresentationXMLAttributeList) history.peek();
      Object temp18 = obj.get_presentationxmlattribute_list();
      if(temp18==null) { is_equal = false; return; }
      history.push(temp18);
    }
  }}
  after -> PresentationXMLAttributeList, presentationxmlattribute_list, PresentationXMLAttribute_List {{
    if (is_equal) history.pop();
  }}

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

  before -> PresentationXMLElement, presentationxmlattributelist, PresentationXMLAttributeList {{
    if (is_equal) {
      PresentationXMLElement obj = (PresentationXMLElement) history.peek();
      Object temp19 = obj.get_presentationxmlattributelist();
      if(temp19==null) { is_equal = false; return; }
      history.push(temp19);
    }
  }}
  after -> PresentationXMLElement, presentationxmlattributelist, PresentationXMLAttributeList {{
    if (is_equal) history.pop();
  }}

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

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

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

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

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

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

  before -> DomainXMLElement, domainnameattribute, DomainNameAttribute {{
    if (is_equal) {
      DomainXMLElement obj = (DomainXMLElement) history.peek();
      Object temp24 = obj.get_domainnameattribute();
      if(temp24==null) { is_equal = false; return; }
      history.push(temp24);
    }
  }}
  after -> DomainXMLElement, domainnameattribute, DomainNameAttribute {{
    if (is_equal) history.pop();
  }}

  before -> DomainXMLElement, domainnbvaluesattribute, DomainNbValuesAttribute {{
    if (is_equal) {
      DomainXMLElement obj = (DomainXMLElement) history.peek();
      Object temp25 = obj.get_domainnbvaluesattribute();
      if(temp25==null) { is_equal = false; return; }
      history.push(temp25);
    }
  }}
  after -> DomainXMLElement, domainnbvaluesattribute, DomainNbValuesAttribute {{
    if (is_equal) history.pop();
  }}

  before -> DomainXMLElement, domainexp_list, DomainExp_List {{
    if (is_equal) {
      DomainXMLElement obj = (DomainXMLElement) history.peek();
      Object temp26 = obj.get_domainexp_list();
      if(temp26==null) { is_equal = false; return; }
      history.push(temp26);
    }
  }}
  after -> DomainXMLElement, domainexp_list, DomainExp_List {{
    if (is_equal) history.pop();
  }}

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

  before DomainsNbDomainsAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp27 = host.get_nbDomains();
    Object temp28 = ((DomainsNbDomainsAttribute) obj).get_nbDomains();
    if(temp27 == null && temp28 == null) {}
    else if(temp27 == null ||
            temp28 == null ||
            !temp27.equals(temp28)) { is_equal = false; return; }
  }}

  before -> DomainsXMLElement, domainsnbdomainsattribute, DomainsNbDomainsAttribute {{
    if (is_equal) {
      DomainsXMLElement obj = (DomainsXMLElement) history.peek();
      Object temp29 = obj.get_domainsnbdomainsattribute();
      if(temp29==null) { is_equal = false; return; }
      history.push(temp29);
    }
  }}
  after -> DomainsXMLElement, domainsnbdomainsattribute, DomainsNbDomainsAttribute {{
    if (is_equal) history.pop();
  }}

  before -> DomainsXMLElement, domainxmlelement_list, DomainXMLElement_List {{
    if (is_equal) {
      DomainsXMLElement obj = (DomainsXMLElement) history.peek();
      Object temp30 = obj.get_domainxmlelement_list();
      if(temp30==null) { is_equal = false; return; }
      history.push(temp30);
    }
  }}
  after -> DomainsXMLElement, domainxmlelement_list, DomainXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before variableNameAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp31 = host.get_name();
    Object temp32 = ((variableNameAttribute) obj).get_name();
    if(temp31 == null && temp32 == null) {}
    else if(temp31 == null ||
            temp32 == null ||
            !temp31.equals(temp32)) { is_equal = false; return; }
  }}

  before variableDomainAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp33 = host.get_domain();
    Object temp34 = ((variableDomainAttribute) obj).get_domain();
    if(temp33 == null && temp34 == null) {}
    else if(temp33 == null ||
            temp34 == null ||
            !temp33.equals(temp34)) { is_equal = false; return; }
  }}

  before -> VariableXMLElement, variablenameattribute, variableNameAttribute {{
    if (is_equal) {
      VariableXMLElement obj = (VariableXMLElement) history.peek();
      Object temp35 = obj.get_variablenameattribute();
      if(temp35==null) { is_equal = false; return; }
      history.push(temp35);
    }
  }}
  after -> VariableXMLElement, variablenameattribute, variableNameAttribute {{
    if (is_equal) history.pop();
  }}

  before -> VariableXMLElement, variabledomainattribute, variableDomainAttribute {{
    if (is_equal) {
      VariableXMLElement obj = (VariableXMLElement) history.peek();
      Object temp36 = obj.get_variabledomainattribute();
      if(temp36==null) { is_equal = false; return; }
      history.push(temp36);
    }
  }}
  after -> VariableXMLElement, variabledomainattribute, variableDomainAttribute {{
    if (is_equal) history.pop();
  }}

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

  before VariablesNbVariablesAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp37 = host.get_nbVariables();
    Object temp38 = ((VariablesNbVariablesAttribute) obj).get_nbVariables();
    if(temp37 == null && temp38 == null) {}
    else if(temp37 == null ||
            temp38 == null ||
            !temp37.equals(temp38)) { is_equal = false; return; }
  }}

  before -> VariablesXMLElement, variablesnbvariablesattribute, VariablesNbVariablesAttribute {{
    if (is_equal) {
      VariablesXMLElement obj = (VariablesXMLElement) history.peek();
      Object temp39 = obj.get_variablesnbvariablesattribute();
      if(temp39==null) { is_equal = false; return; }
      history.push(temp39);
    }
  }}
  after -> VariablesXMLElement, variablesnbvariablesattribute, VariablesNbVariablesAttribute {{
    if (is_equal) history.pop();
  }}

  before -> VariablesXMLElement, variablexmlelement_list, VariableXMLElement_List {{
    if (is_equal) {
      VariablesXMLElement obj = (VariablesXMLElement) history.peek();
      Object temp40 = obj.get_variablexmlelement_list();
      if(temp40==null) { is_equal = false; return; }
      history.push(temp40);
    }
  }}
  after -> VariablesXMLElement, variablexmlelement_list, VariableXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before RelationNameAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp41 = host.get_name();
    Object temp42 = ((RelationNameAttribute) obj).get_name();
    if(temp41 == null && temp42 == null) {}
    else if(temp41 == null ||
            temp42 == null ||
            !temp41.equals(temp42)) { is_equal = false; return; }
  }}

  before RelationNumberAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp43 = host.get_number();
    Object temp44 = ((RelationNumberAttribute) obj).get_number();
    if(temp43 == null && temp44 == null) {}
    else if(temp43 == null ||
            temp44 == null ||
            !temp43.equals(temp44)) { is_equal = false; return; }
  }}

  before RelationArityAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp45 = host.get_arity();
    Object temp46 = ((RelationArityAttribute) obj).get_arity();
    if(temp45 == null && temp46 == null) {}
    else if(temp45 == null ||
            temp46 == null ||
            !temp45.equals(temp46)) { is_equal = false; return; }
  }}

  before RelationNbTuplesAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp47 = host.get_nbTuples();
    Object temp48 = ((RelationNbTuplesAttribute) obj).get_nbTuples();
    if(temp47 == null && temp48 == null) {}
    else if(temp47 == null ||
            temp48 == null ||
            !temp47.equals(temp48)) { is_equal = false; return; }
  }}

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

  before -> RelationXMLElement, relationnameattribute, RelationNameAttribute {{
    if (is_equal) {
      RelationXMLElement obj = (RelationXMLElement) history.peek();
      Object temp51 = obj.get_relationnameattribute();
      if(temp51==null) { is_equal = false; return; }
      history.push(temp51);
    }
  }}
  after -> RelationXMLElement, relationnameattribute, RelationNameAttribute {{
    if (is_equal) history.pop();
  }}

  before -> RelationXMLElement, relationnumberattribute, RelationNumberAttribute {{
    if (is_equal) {
      RelationXMLElement obj = (RelationXMLElement) history.peek();
      Object temp52 = obj.get_relationnumberattribute();
      if(temp52==null) { is_equal = false; return; }
      history.push(temp52);
    }
  }}
  after -> RelationXMLElement, relationnumberattribute, RelationNumberAttribute {{
    if (is_equal) history.pop();
  }}

  before -> RelationXMLElement, relationarityattribute, RelationArityAttribute {{
    if (is_equal) {
      RelationXMLElement obj = (RelationXMLElement) history.peek();
      Object temp53 = obj.get_relationarityattribute();
      if(temp53==null) { is_equal = false; return; }
      history.push(temp53);
    }
  }}
  after -> RelationXMLElement, relationarityattribute, RelationArityAttribute {{
    if (is_equal) history.pop();
  }}

  before -> RelationXMLElement, relationnbtuplesattribute, RelationNbTuplesAttribute {{
    if (is_equal) {
      RelationXMLElement obj = (RelationXMLElement) history.peek();
      Object temp54 = obj.get_relationnbtuplesattribute();
      if(temp54==null) { is_equal = false; return; }
      history.push(temp54);
    }
  }}
  after -> RelationXMLElement, relationnbtuplesattribute, RelationNbTuplesAttribute {{
    if (is_equal) history.pop();
  }}

  before -> RelationXMLElement, relationsemanticsattribute, RelationSemanticsAttribute {{
    if (is_equal) {
      RelationXMLElement obj = (RelationXMLElement) history.peek();
      Object temp55 = obj.get_relationsemanticsattribute();
      if(temp55==null) { is_equal = false; return; }
      history.push(temp55);
    }
  }}
  after -> RelationXMLElement, relationsemanticsattribute, RelationSemanticsAttribute {{
    if (is_equal) history.pop();
  }}

  before -> RelationXMLElement, tuples, Tuple_PipeList {{
    if (is_equal) {
      RelationXMLElement obj = (RelationXMLElement) history.peek();
      Object temp56 = obj.get_tuples();
      if(temp56==null) { is_equal = false; return; }
      history.push(temp56);
    }
  }}
  after -> RelationXMLElement, tuples, Tuple_PipeList {{
    if (is_equal) history.pop();
  }}

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

  before -> Tuple, digit_nlist, Digit_NList {{
    if (is_equal) {
      Tuple obj = (Tuple) history.peek();
      Object temp57 = obj.get_digit_nlist();
      if(temp57==null) { is_equal = false; return; }
      history.push(temp57);
    }
  }}
  after -> Tuple, digit_nlist, Digit_NList {{
    if (is_equal) history.pop();
  }}

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

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

  before RelationsNbRelationsAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp58 = host.get_nbRelations();
    Object temp59 = ((RelationsNbRelationsAttribute) obj).get_nbRelations();
    if(temp58 == null && temp59 == null) {}
    else if(temp58 == null ||
            temp59 == null ||
            !temp58.equals(temp59)) { is_equal = false; return; }
  }}

  before -> RelationsXMLElement, relationsnbrelationsattribute, RelationsNbRelationsAttribute {{
    if (is_equal) {
      RelationsXMLElement obj = (RelationsXMLElement) history.peek();
      Object temp60 = obj.get_relationsnbrelationsattribute();
      if(temp60==null) { is_equal = false; return; }
      history.push(temp60);
    }
  }}
  after -> RelationsXMLElement, relationsnbrelationsattribute, RelationsNbRelationsAttribute {{
    if (is_equal) history.pop();
  }}

  before -> RelationsXMLElement, relationxmlelement_list, RelationXMLElement_List {{
    if (is_equal) {
      RelationsXMLElement obj = (RelationsXMLElement) history.peek();
      Object temp61 = obj.get_relationxmlelement_list();
      if(temp61==null) { is_equal = false; return; }
      history.push(temp61);
    }
  }}
  after -> RelationsXMLElement, relationxmlelement_list, RelationXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before ConstraintNameAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp62 = host.get_name();
    Object temp63 = ((ConstraintNameAttribute) obj).get_name();
    if(temp62 == null && temp63 == null) {}
    else if(temp62 == null ||
            temp63 == null ||
            !temp62.equals(temp63)) { is_equal = false; return; }
  }}

  before ConstraintArityAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp64 = host.get_arity();
    Object temp65 = ((ConstraintArityAttribute) obj).get_arity();
    if(temp64 == null && temp65 == null) {}
    else if(temp64 == null ||
            temp65 == null ||
            !temp64.equals(temp65)) { is_equal = false; return; }
  }}

  before -> ConstraintXMLAttributes, constraintnameattribute, ConstraintNameAttribute {{
    if (is_equal) {
      ConstraintXMLAttributes obj = (ConstraintXMLAttributes) history.peek();
      Object temp66 = obj.get_constraintnameattribute();
      if(temp66==null) { is_equal = false; return; }
      history.push(temp66);
    }
  }}
  after -> ConstraintXMLAttributes, constraintnameattribute, ConstraintNameAttribute {{
    if (is_equal) history.pop();
  }}

  before -> ConstraintXMLAttributes, constraintarityattribute, ConstraintArityAttribute {{
    if (is_equal) {
      ConstraintXMLAttributes obj = (ConstraintXMLAttributes) history.peek();
      Object temp67 = obj.get_constraintarityattribute();
      if(temp67==null) { is_equal = false; return; }
      history.push(temp67);
    }
  }}
  after -> ConstraintXMLAttributes, constraintarityattribute, ConstraintArityAttribute {{
    if (is_equal) history.pop();
  }}

  before -> ConstraintXMLAttributes, scopeattribute, ScopeAttribute {{
    if (is_equal) {
      ConstraintXMLAttributes obj = (ConstraintXMLAttributes) history.peek();
      Object temp68 = obj.get_scopeattribute();
      if(temp68==null) { is_equal = false; return; }
      history.push(temp68);
    }
  }}
  after -> ConstraintXMLAttributes, scopeattribute, ScopeAttribute {{
    if (is_equal) history.pop();
  }}

  before -> ConstraintXMLAttributes, referencesattribute, ReferencesAttribute {{
    if (is_equal) {
      ConstraintXMLAttributes obj = (ConstraintXMLAttributes) history.peek();
      Object temp69 = obj.get_referencesattribute();
      if(temp69==null) { is_equal = false; return; }
      history.push(temp69);
    }
  }}
  after -> ConstraintXMLAttributes, referencesattribute, ReferencesAttribute {{
    if (is_equal) history.pop();
  }}

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

  before ScopeAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp70 = host.get_scope();
    Object temp71 = ((ScopeAttribute) obj).get_scope();
    if(temp70 == null && temp71 == null) {}
    else if(temp70 == null ||
            temp71 == null ||
            !temp70.equals(temp71)) { is_equal = false; return; }
  }}

  before ReferencesAttribute {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp72 = host.get_references();
    Object temp73 = ((ReferencesAttribute) obj).get_references();
    if(temp72 == null && temp73 == null) {}
    else if(temp72 == null ||
            temp73 == null ||
            !temp72.equals(temp73)) { is_equal = false; return; }
  }}

  before -> ConstraintXMLElement, constraintxmlattributes, ConstraintXMLAttributes {{
    if (is_equal) {
      ConstraintXMLElement obj = (ConstraintXMLElement) history.peek();
      Object temp74 = obj.get_constraintxmlattributes();
      if(temp74==null) { is_equal = false; return; }
      history.push(temp74);
    }
  }}
  after -> ConstraintXMLElement, constraintxmlattributes, ConstraintXMLAttributes {{
    if (is_equal) history.pop();
  }}

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

  before ConstraintsXMLAttributes {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp75 = host.get_nbConstraints();
    Object temp76 = ((ConstraintsXMLAttributes) obj).get_nbConstraints();
    if(temp75 == null && temp76 == null) {}
    else if(temp75 == null ||
            temp76 == null ||
            !temp75.equals(temp76)) { is_equal = false; return; }
  }}

  before -> ConstraintsXMLElement, constraintsxmlattributes, ConstraintsXMLAttributes {{
    if (is_equal) {
      ConstraintsXMLElement obj = (ConstraintsXMLElement) history.peek();
      Object temp77 = obj.get_constraintsxmlattributes();
      if(temp77==null) { is_equal = false; return; }
      history.push(temp77);
    }
  }}
  after -> ConstraintsXMLElement, constraintsxmlattributes, ConstraintsXMLAttributes {{
    if (is_equal) history.pop();
  }}

  before -> ConstraintsXMLElement, constraintxmlelement_list, ConstraintXMLElement_List {{
    if (is_equal) {
      ConstraintsXMLElement obj = (ConstraintsXMLElement) history.peek();
      Object temp78 = obj.get_constraintxmlelement_list();
      if(temp78==null) { is_equal = false; return; }
      history.push(temp78);
    }
  }}
  after -> ConstraintsXMLElement, constraintxmlelement_list, ConstraintXMLElement_List {{
    if (is_equal) history.pop();
  }}

  before ConstraintsXMLElement {{
    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 temp79 = host.get_copy();
    Object temp80 = ((CopyVisitor) obj).get_copy();
    if(temp79 == null && temp80 == null) {}
    else if(temp79 == null ||
            temp80 == null ||
            !temp79.equals(temp80)) { 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 -> PresentationXMLAttribute_List, first, Nonempty_PresentationXMLAttribute_List {{
    if (is_equal) {
      PresentationXMLAttribute_List obj = (PresentationXMLAttribute_List) history.peek();
      Object temp81 = obj.get_first();
      if(temp81==null) { is_equal = false; return; }
      history.push(temp81);
    }
  }}
  after -> PresentationXMLAttribute_List, first, Nonempty_PresentationXMLAttribute_List {{
    if (is_equal) history.pop();
  }}

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

  before -> DomainExp_List, first, Nonempty_DomainExp_List {{
    if (is_equal) {
      DomainExp_List obj = (DomainExp_List) history.peek();
      Object temp82 = obj.get_first();
      if(temp82==null) { is_equal = false; return; }
      history.push(temp82);
    }
  }}
  after -> DomainExp_List, first, Nonempty_DomainExp_List {{
    if (is_equal) history.pop();
  }}

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

  before -> DomainXMLElement_List, first, Nonempty_DomainXMLElement_List {{
    if (is_equal) {
      DomainXMLElement_List obj = (DomainXMLElement_List) history.peek();
      Object temp83 = obj.get_first();
      if(temp83==null) { is_equal = false; return; }
      history.push(temp83);
    }
  }}
  after -> DomainXMLElement_List, first, Nonempty_DomainXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before -> VariableXMLElement_List, first, Nonempty_VariableXMLElement_List {{
    if (is_equal) {
      VariableXMLElement_List obj = (VariableXMLElement_List) history.peek();
      Object temp84 = obj.get_first();
      if(temp84==null) { is_equal = false; return; }
      history.push(temp84);
    }
  }}
  after -> VariableXMLElement_List, first, Nonempty_VariableXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Tuple_PipeList, first, Nonempty_Tuple_PipeList {{
    if (is_equal) {
      Tuple_PipeList obj = (Tuple_PipeList) history.peek();
      Object temp85 = obj.get_first();
      if(temp85==null) { is_equal = false; return; }
      history.push(temp85);
    }
  }}
  after -> Tuple_PipeList, first, Nonempty_Tuple_PipeList {{
    if (is_equal) history.pop();
  }}

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

  before -> Digit_NList, first, Nonempty_Digit_NList {{
    if (is_equal) {
      Digit_NList obj = (Digit_NList) history.peek();
      Object temp86 = obj.get_first();
      if(temp86==null) { is_equal = false; return; }
      history.push(temp86);
    }
  }}
  after -> Digit_NList, first, Nonempty_Digit_NList {{
    if (is_equal) history.pop();
  }}

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

  before -> RelationXMLElement_List, first, Nonempty_RelationXMLElement_List {{
    if (is_equal) {
      RelationXMLElement_List obj = (RelationXMLElement_List) history.peek();
      Object temp87 = obj.get_first();
      if(temp87==null) { is_equal = false; return; }
      history.push(temp87);
    }
  }}
  after -> RelationXMLElement_List, first, Nonempty_RelationXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before -> ConstraintXMLElement_List, first, Nonempty_ConstraintXMLElement_List {{
    if (is_equal) {
      ConstraintXMLElement_List obj = (ConstraintXMLElement_List) history.peek();
      Object temp88 = obj.get_first();
      if(temp88==null) { is_equal = false; return; }
      history.push(temp88);
    }
  }}
  after -> ConstraintXMLElement_List, first, Nonempty_ConstraintXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_PresentationXMLAttribute_List, it, PresentationXMLAttribute {{
    if (is_equal) {
      Nonempty_PresentationXMLAttribute_List obj = (Nonempty_PresentationXMLAttribute_List) history.peek();
      Object temp89 = obj.get_it();
      if(temp89==null) { is_equal = false; return; }
      history.push(temp89);
    }
  }}
  after -> Nonempty_PresentationXMLAttribute_List, it, PresentationXMLAttribute {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_PresentationXMLAttribute_List, next, Nonempty_PresentationXMLAttribute_List {{
    if (is_equal) {
      Nonempty_PresentationXMLAttribute_List obj = (Nonempty_PresentationXMLAttribute_List) history.peek();
      Object temp90 = obj.get_next();
      if(temp90==null) { is_equal = false; return; }
      history.push(temp90);
    }
  }}
  after -> Nonempty_PresentationXMLAttribute_List, next, Nonempty_PresentationXMLAttribute_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_DomainExp_List, it, DomainExp {{
    if (is_equal) {
      Nonempty_DomainExp_List obj = (Nonempty_DomainExp_List) history.peek();
      Object temp91 = obj.get_it();
      if(temp91==null) { is_equal = false; return; }
      history.push(temp91);
    }
  }}
  after -> Nonempty_DomainExp_List, it, DomainExp {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_DomainExp_List, next, Nonempty_DomainExp_List {{
    if (is_equal) {
      Nonempty_DomainExp_List obj = (Nonempty_DomainExp_List) history.peek();
      Object temp92 = obj.get_next();
      if(temp92==null) { is_equal = false; return; }
      history.push(temp92);
    }
  }}
  after -> Nonempty_DomainExp_List, next, Nonempty_DomainExp_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_DomainXMLElement_List, it, DomainXMLElement {{
    if (is_equal) {
      Nonempty_DomainXMLElement_List obj = (Nonempty_DomainXMLElement_List) history.peek();
      Object temp93 = obj.get_it();
      if(temp93==null) { is_equal = false; return; }
      history.push(temp93);
    }
  }}
  after -> Nonempty_DomainXMLElement_List, it, DomainXMLElement {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_DomainXMLElement_List, next, Nonempty_DomainXMLElement_List {{
    if (is_equal) {
      Nonempty_DomainXMLElement_List obj = (Nonempty_DomainXMLElement_List) history.peek();
      Object temp94 = obj.get_next();
      if(temp94==null) { is_equal = false; return; }
      history.push(temp94);
    }
  }}
  after -> Nonempty_DomainXMLElement_List, next, Nonempty_DomainXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_VariableXMLElement_List, it, VariableXMLElement {{
    if (is_equal) {
      Nonempty_VariableXMLElement_List obj = (Nonempty_VariableXMLElement_List) history.peek();
      Object temp95 = obj.get_it();
      if(temp95==null) { is_equal = false; return; }
      history.push(temp95);
    }
  }}
  after -> Nonempty_VariableXMLElement_List, it, VariableXMLElement {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_VariableXMLElement_List, next, Nonempty_VariableXMLElement_List {{
    if (is_equal) {
      Nonempty_VariableXMLElement_List obj = (Nonempty_VariableXMLElement_List) history.peek();
      Object temp96 = obj.get_next();
      if(temp96==null) { is_equal = false; return; }
      history.push(temp96);
    }
  }}
  after -> Nonempty_VariableXMLElement_List, next, Nonempty_VariableXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Tuple_PipeList, it, Tuple {{
    if (is_equal) {
      Nonempty_Tuple_PipeList obj = (Nonempty_Tuple_PipeList) history.peek();
      Object temp97 = obj.get_it();
      if(temp97==null) { is_equal = false; return; }
      history.push(temp97);
    }
  }}
  after -> Nonempty_Tuple_PipeList, it, Tuple {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Tuple_PipeList, next, Nonempty_Tuple_PipeList {{
    if (is_equal) {
      Nonempty_Tuple_PipeList obj = (Nonempty_Tuple_PipeList) history.peek();
      Object temp98 = obj.get_next();
      if(temp98==null) { is_equal = false; return; }
      history.push(temp98);
    }
  }}
  after -> Nonempty_Tuple_PipeList, next, Nonempty_Tuple_PipeList {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Digit_NList, it, Digit {{
    if (is_equal) {
      Nonempty_Digit_NList obj = (Nonempty_Digit_NList) history.peek();
      Object temp99 = obj.get_it();
      if(temp99==null) { is_equal = false; return; }
      history.push(temp99);
    }
  }}
  after -> Nonempty_Digit_NList, it, Digit {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Digit_NList, next, Nonempty_Digit_NList {{
    if (is_equal) {
      Nonempty_Digit_NList obj = (Nonempty_Digit_NList) history.peek();
      Object temp100 = obj.get_next();
      if(temp100==null) { is_equal = false; return; }
      history.push(temp100);
    }
  }}
  after -> Nonempty_Digit_NList, next, Nonempty_Digit_NList {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_RelationXMLElement_List, it, RelationXMLElement {{
    if (is_equal) {
      Nonempty_RelationXMLElement_List obj = (Nonempty_RelationXMLElement_List) history.peek();
      Object temp101 = obj.get_it();
      if(temp101==null) { is_equal = false; return; }
      history.push(temp101);
    }
  }}
  after -> Nonempty_RelationXMLElement_List, it, RelationXMLElement {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_RelationXMLElement_List, next, Nonempty_RelationXMLElement_List {{
    if (is_equal) {
      Nonempty_RelationXMLElement_List obj = (Nonempty_RelationXMLElement_List) history.peek();
      Object temp102 = obj.get_next();
      if(temp102==null) { is_equal = false; return; }
      history.push(temp102);
    }
  }}
  after -> Nonempty_RelationXMLElement_List, next, Nonempty_RelationXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_ConstraintXMLElement_List, it, ConstraintXMLElement {{
    if (is_equal) {
      Nonempty_ConstraintXMLElement_List obj = (Nonempty_ConstraintXMLElement_List) history.peek();
      Object temp103 = obj.get_it();
      if(temp103==null) { is_equal = false; return; }
      history.push(temp103);
    }
  }}
  after -> Nonempty_ConstraintXMLElement_List, it, ConstraintXMLElement {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_ConstraintXMLElement_List, next, Nonempty_ConstraintXMLElement_List {{
    if (is_equal) {
      Nonempty_ConstraintXMLElement_List obj = (Nonempty_ConstraintXMLElement_List) history.peek();
      Object temp104 = obj.get_next();
      if(temp104==null) { is_equal = false; return; }
      history.push(temp104);
    }
  }}
  after -> Nonempty_ConstraintXMLElement_List, next, Nonempty_ConstraintXMLElement_List {{
    if (is_equal) history.pop();
  }}

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

  return boolean {{ is_equal }}
}