// This file is automatically generated by DemeterJ.

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

  before -> XPath, exp_list, Exp_List {{
    if (is_equal) {
      XPath obj = (XPath) history.peek();
      Object temp1 = obj.get_exp_list();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> XPath, exp_list, Exp_List {{
    if (is_equal) history.pop();
  }}

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

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

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

  before -> BinaryCompound, bop, BOp {{
    if (is_equal) {
      BinaryCompound obj = (BinaryCompound) history.peek();
      Object temp2 = obj.get_bop();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> BinaryCompound, bop, BOp {{
    if (is_equal) history.pop();
  }}

  before -> BinaryCompound, arg1, Exp {{
    if (is_equal) {
      BinaryCompound obj = (BinaryCompound) history.peek();
      Object temp3 = obj.get_arg1();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> BinaryCompound, arg1, Exp {{
    if (is_equal) history.pop();
  }}

  before -> BinaryCompound, arg2, Exp {{
    if (is_equal) {
      BinaryCompound obj = (BinaryCompound) history.peek();
      Object temp4 = obj.get_arg2();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  after -> BinaryCompound, arg2, Exp {{
    if (is_equal) history.pop();
  }}

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

  before -> UnaryCompound, uop, UOp {{
    if (is_equal) {
      UnaryCompound obj = (UnaryCompound) history.peek();
      Object temp5 = obj.get_uop();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  after -> UnaryCompound, uop, UOp {{
    if (is_equal) history.pop();
  }}

  before -> UnaryCompound, arg1, Exp {{
    if (is_equal) {
      UnaryCompound obj = (UnaryCompound) history.peek();
      Object temp6 = obj.get_arg1();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  after -> UnaryCompound, arg1, Exp {{
    if (is_equal) history.pop();
  }}

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

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

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

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

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

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

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

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

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

  before -> ElementTest, name, Name {{
    if (is_equal) {
      ElementTest obj = (ElementTest) history.peek();
      Object temp7 = obj.get_name();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  after -> ElementTest, name, Name {{
    if (is_equal) history.pop();
  }}

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

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

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

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

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

  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 temp12 = host.get_copy();
    Object temp13 = ((CopyVisitor) obj).get_copy();
    if(temp12 == null && temp13 == null) {}
    else if(temp12 == null ||
            temp13 == null ||
            !temp12.equals(temp13)) { 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 -> Exp_List, first, Nonempty_Exp_List {{
    if (is_equal) {
      Exp_List obj = (Exp_List) history.peek();
      Object temp14 = obj.get_first();
      if(temp14==null) { is_equal = false; return; }
      history.push(temp14);
    }
  }}
  after -> Exp_List, first, Nonempty_Exp_List {{
    if (is_equal) history.pop();
  }}

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

  before -> Nonempty_Exp_List, it, Exp {{
    if (is_equal) {
      Nonempty_Exp_List obj = (Nonempty_Exp_List) history.peek();
      Object temp15 = obj.get_it();
      if(temp15==null) { is_equal = false; return; }
      history.push(temp15);
    }
  }}
  after -> Nonempty_Exp_List, it, Exp {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Exp_List, next, Nonempty_Exp_List {{
    if (is_equal) {
      Nonempty_Exp_List obj = (Nonempty_Exp_List) history.peek();
      Object temp16 = obj.get_next();
      if(temp16==null) { is_equal = false; return; }
      history.push(temp16);
    }
  }}
  after -> Nonempty_Exp_List, next, Nonempty_Exp_List {{
    if (is_equal) history.pop();
  }}

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

  return boolean {{ is_equal }}
}