ClassGraph {
(@
  void g_displayDemeterJava() {
    DemeterJavaVisitor djv = new DemeterJavaVisitor();
    this.DJTraversal(djv);
  }
@)

traversal DJTraversal(DemeterJavaVisitor djv) { to {Part,RepetitionClass,Syntax}; }

}

Main {
(@
  static public void main(String args[]) throws Exception {

    ClassGraph cg = ClassGraph.parse(System.in);
    cg.g_displayDemeterJava();
    System.exit(0);	
  }
@)
}


DemeterJavaVisitor {

(@
int classNumber;
int partNumber;
boolean syntaxIsIn;
boolean classIsAlt;
@)

(@
String IsClassTerminal(String className) {
	if (className.compareTo("Integer")==0) {
		return "Integer";
	} else if (className.compareTo("Ident")==0) {
		return "Ident";
	} else if (className.compareTo("String")==0) {
		return "String";
	} else if (className.compareTo("Text")==0) {
		return "Text";
	} else if (className.compareTo("Boolean")==0) {
		return "Boolean";
	} else if (className.compareTo("Float")==0) {
		return "Float";
	} else if (className.compareTo("Double")==0) {
		return "Double";
	} else {
		return "";
	}
     }
@)		


after ClassGraph (@ System.out.println("}"); @)

before  ClassDef (@  

	this.set_classDefName(host.getName());
	classNumber = classNumber + 1;
	partNumber = 0;
	syntaxIsIn = false;
	classIsAlt = false;
	if (classNumber == 1) {
                System.out.println(this.get_classDefName()+" {" );
                System.out.println("("+"@");
                System.out.println("    void g_displayAsTree() {");
                System.out.println("         TreeDisplayVisitor tdv = new TreeDisplayVisitor(new Integer(0));" );
                System.out.println("         this.t(tdv);");
                System.out.println("    }");
                System.out.println("@"+")");
                System.out.println("");
                System.out.println("traversal t(TreeDisplayVisitor tdv) {to *;}");
                System.out.println("}");
                System.out.println("");
                System.out.println("");
                System.out.println("Main {");
                System.out.println("(" + "@");
                System.out.println("  static public void main(String args[]) throws Exception {");
                System.out.println("");
                System.out.println("     " + this.get_classDefName() + " object = " + this.get_classDefName() + ".parse(System.in);");
                System.out.println("");
                System.out.println("      object.g_displayAsTree();");
                System.out.println("    }");
                System.out.println("@"+")");
                System.out.println("}");
                System.out.println("");
                System.out.println("");
		System.out.println("TreeDisplayVisitor {");
                System.out.println("(" + "@");
                System.out.println("void spaces() {");
                System.out.println("  for(int i=0; i< indent.intValue(); i++)");
                System.out.println("     System.out.print(\" \"); }");
                System.out.println("@" + ")");
                System.out.println("");
                System.out.println("(" + "@");
                System.out.println("void incr() {");
                System.out.println("  this.set_indent(new Integer(this.get_indent().intValue()+3)); } ");
                System.out.println("@" + ")");
                System.out.println("");
                System.out.println("(" + "@");
                System.out.println("void decr() {");
                System.out.println("  this.set_indent(new Integer(this.get_indent().intValue()-3)); } ");
                System.out.println("@" + ")");
                System.out.println("");    
	}
@)

before Part (@

	partNumber = partNumber + 1; 	
	this.set_edgeName(host.getEdgeName());
	this.set_edgeClass(host.getEdgeClass());
	 
	String startClass = this.get_classDefName().toString();
	String edge = this.get_edgeName().toString();
	String destClass = this.get_edgeClass().toString();
	String termClass = IsClassTerminal(destClass);

	if(! (startClass.lastIndexOf("Visitor") > 0)) {
	   if(termClass != "") {
		System.out.println("before " + startClass + " (@" + " spaces(); System.out.println(\": " + startClass + " ( \"); incr(); spaces(); System.out.println(\": " + destClass + " ( \\\"\" + host.get_" + edge + "() + \"\\\" ) )\"); decr(); @" + ")");
		System.out.println("");
	   } else if(termClass == "" && partNumber == 1 && classIsAlt == false) {
		System.out.println("before " + startClass + " (@" + " spaces(); System.out.println(\": " + startClass + " ( \"); incr(); @" + ")"); 
		System.out.println("after " + startClass + " (@" + " decr(); spaces(); System.out.println(\" ) \"); @" + ")");
		System.out.println("");
	   }
	} 
@)

before RepetitionClass (@ 

	partNumber = 1;
	String repClass = this.get_classDefName().toString();
	System.out.println("before " + repClass + " (@" + " spaces(); System.out.println(\": " + repClass + " { \"); incr(); @" + ")"); 
@)

after RepetitionClass (@
       
	String repClass = this.get_classDefName().toString();	
        System.out.println("after " + repClass + " (@" + " decr(); spaces(); System.out.println(\" } \" ); @" + ")");
	System.out.println("");
@)

before AlternationClass (@
	classIsAlt = true;
@)

before Syntax (@
	syntaxIsIn = true;
	
@)

after ClassDef (@

	String syntaxClass = this.get_classDefName().toString();
	if(syntaxIsIn == true && partNumber == 0) {
	   System.out.println("before " + syntaxClass + " (@" + " spaces(); System.out.println(\": " + syntaxClass + " ( )\"); @" + ")");
	   System.out.println("");
	}
@)

}


ClassSpec {
   traversal ClassSpecTraversal(ClassSpecNameVisitor v) {
      to ClassName;
   }

   (@
   Ident getName() {
      ClassSpecNameVisitor csv = new ClassSpecNameVisitor();
      this.ClassSpecTraversal(csv);

      return csv.get_name();
   }
   @)
}

ClassSpecNameVisitor {
   before ClassName (@
      this.set_name(host.get_name());
   @)
}


ClassDef {
   traversal ClassDefTraversal(ClassDefNameVisitor v) {
      bypassing { ClassParts, -> *,parameters,* } to ClassName;
   }

   (@
   Ident getName() {
      ClassDefNameVisitor cdv = new ClassDefNameVisitor();
      this.ClassDefTraversal(cdv);

      return cdv.get_name();
   }
   @)
}

ClassDefNameVisitor {
   before ClassName (@
      this.set_name(host.get_name());
   @)
}


Part {
   traversal EdgeNameTraversal(EdgeNameVisitor v) {
      to EdgeName;
   }

   (@
   Ident getName() {
      EdgeNameVisitor env = new EdgeNameVisitor();
      this.EdgeNameTraversal(env);

      return env.get_name();
   }
   @)

   (@
   String getEdgeName() {
      String edgeName;

      if(this.getName() != null) {
         edgeName = this.getName().toString();
      }
      else {
         edgeName = this.get_classspec().getName().toString().toLowerCase();
      }
      return edgeName;
   }
   @)

   traversal EdgeClassTraversal(EdgeClassVisitor v) {
      to ClassName;
   }

   (@
   Ident getEdgeClass() {
      EdgeClassVisitor ecv = new EdgeClassVisitor();
      this.EdgeClassTraversal(ecv);

      return ecv.get_name();
   }
   @)

}

EdgeNameVisitor {
   before EdgeName (@
      this.set_name(host.get_name());
   @)
}

EdgeClassVisitor {
   before ClassName (@
      this.set_name(host.get_name());
   @)
}