org.aspectj.weaver.patterns.HasThisTypePatternTriedToSneakInSomeGenericOrParameterizedTypePatternMatchingStuffAnywhereVisitor Maven / Gradle / Ivy

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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/* *******************************************************************
 * Copyright (c) 2005 Contributors.
 * All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *   Adrian Colyer			Initial implementation
 * ******************************************************************/
package org.aspectj.weaver.patterns;

import org.aspectj.weaver.UnresolvedType;

/**
 * @author colyer
 *
 */
public class HasThisTypePatternTriedToSneakInSomeGenericOrParameterizedTypePatternMatchingStuffAnywhereVisitor
		extends AbstractPatternNodeVisitor {

	boolean ohYesItHas = false;

	/**
	 * Is the Exact type parameterized?
	 * Generic is ok as that just means we resolved a simple type pattern to a generic type
	 */
	public Object visit(ExactTypePattern node, Object data) {
		UnresolvedType theExactType = node.getExactType();
		if (theExactType.isParameterizedType()) ohYesItHas = true;
		//if (theExactType.isGenericType()) ohYesItHas = true;
		return data;
	}

	/**
	 * Any type bounds are bad.
	 * Type parameters are right out.
	 */
	public Object visit(WildTypePattern node, Object data) {
		if (node.getUpperBound() != null) ohYesItHas = true;
		if (node.getLowerBound() != null) ohYesItHas = true;
		if (node.getTypeParameters().size() != 0) ohYesItHas = true;
		return data;
	}

	public boolean wellHasItThen/*?*/() {
		return ohYesItHas;
	}
}