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/* *******************************************************************
* Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0
* which accompanies this distribution and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* PARC initial implementation
* ******************************************************************/
package org.aspectj.weaver.patterns;
import org.aspectj.weaver.IHasPosition;
public interface IToken extends IHasPosition {
public static final IToken EOF = BasicToken.makeOperator("", 0, 0);
/**
* Returns the string value of this token.
*
* If isIdentifier is false, then this string must be intern'd
* so that == matching can be used.
*
* If isIdentifier is true, interning is not required.
*/
public String getString();
/**
* Whether this should be treated as a token or a generic identifier
*/
public boolean isIdentifier();
/**
* Whether this should be treated as a literal value
*
* Kinds == "string", ???
*
* returns null if this isn't a literal
*/
public String getLiteralKind();
/**
* If this token represents a pre-parsed Pointcut, then return it;
* otherwise returns null.
*
* Needed for the implementation of 'if'
*/
public Pointcut maybeGetParsedPointcut();
}