/*
* This file is part of the Jikes RVM project (http://jikesrvm.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
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.mmtk.harness.lang.type;
import org.mmtk.harness.lang.ast.AST;
/**
* A user-defined type.
*/
public interface UserType extends Type, AST {
/**
* Define a field in a user-defined type
* @param name
* @param type
*/
void defineField(String name, Type type);
/**
* Get a field by name
* @param name
* @return
*/
Field getField(String name);
/**
* The number of reference fields in the type
* @return
*/
int referenceFieldCount();
/**
* The number of non-reference fields in the type
* @return
*/
int dataFieldCount();
}