TypeExpander.java

/*
 *  This file is part of the X10 project (http://x10-lang.org).
 *
 *  This file is licensed to You under the Eclipse Public License (EPL);
 *  You may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *      http://www.opensource.org/licenses/eclipse-1.0.php
 *
 *  (C) Copyright IBM Corporation 2006-2010.
 */

package x10.emitter;

import polyglot.types.Type;
import polyglot.visit.Translator;
import x10.visit.X10PrettyPrinterVisitor;

// constants
import static x10.visit.X10PrettyPrinterVisitor.BOX_PRIMITIVES;
import static x10.visit.X10PrettyPrinterVisitor.NO_VARIANCE;
import static x10.visit.X10PrettyPrinterVisitor.PRINT_TYPE_PARAMS;

public class TypeExpander extends Expander {
		Type t;
	    int flags;

	    public TypeExpander(Emitter er, Type t, int flags) {
	    	super(er);
			this.t = t;
	        this.flags = flags;
	    }

	    // not used
//	    @Deprecated
//	    public TypeExpander(Emitter er, Type t, boolean printGenerics, boolean boxPrimitives, boolean inSuper) {
//	        this(er, t, (printGenerics ? PRINT_TYPE_PARAMS: 0) 
//	        		| (boxPrimitives ? BOX_PRIMITIVES : 0) 
//	        		| (inSuper ? NO_VARIANCE : 0));
//	    }
	    
	    Type type() {
	    	return t;
	    }
	    
	    int flags() {
	    	return flags;
	    }

	    @Override
	    public String toString() {
	    	if ((flags & BOX_PRIMITIVES) != 0)
	    		return "BP<" + t.toString() + ">";
	        return t.toString();
	    }

	    @Override
	    public void expand(Translator tr) {
//	        Translator old = X10PrettyPrinterVisitor.this.tr;
	        try {
//	            X10PrettyPrinterVisitor.this.tr = tr;
	            er.printType(t, flags);
	        }
	        finally {
//	            X10PrettyPrinterVisitor.this.tr = old;
	        }
	    }
	    
	    public void expand(Translator tr, int flags) {
            er.printType(t, flags);
	    }
	}