/*
* 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.ast;
import org.mmtk.harness.lang.Visitor;
import org.mmtk.harness.lang.parser.Token;
/**
* Abstract interface to all the components of an AST
*/
public interface AST {
/**
* Accept visitors
* @param v The visitor
* @return A visitor-specific value
*/
Object accept(Visitor v);
/**
* @return The source line for this node
*/
int getLine();
/**
* @return The source column for this node
*/
int getColumn();
/**
* @return The source token for this node
*/
Token getToken();
/**
* @param prefix Prefix for the string (formatting)
* @return A string locating this node in the source file
*/
String sourceLocation(String prefix);
}