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The AspectJ weaver applies aspects to Java classes. It can be used as a Java agent in order to apply load-time weaving (LTW) during class-loading and also contains the AspectJ runtime classes.

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/* *******************************************************************
 * Copyright (c) 2008 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:
 *     Andy Clement     initial implementation
 * ******************************************************************/
package org.aspectj.weaver;

import org.aspectj.weaver.ast.Var;
import org.aspectj.weaver.patterns.PerClause;
import org.aspectj.weaver.patterns.Pointcut;

/**
 * Encapsulates operations that a world will need to support if it is actually going to modify bytecode rather than just match
 * against it. @see BcelWeavingSupport
 *
 * @author Andy Clement
 */
public interface IWeavingSupport {

	Advice createAdviceMunger(AjAttribute.AdviceAttribute attribute, Pointcut pointcut, Member signature,
							  ResolvedType concreteAspect);

	ConcreteTypeMunger makeCflowStackFieldAdder(ResolvedMember cflowField);

	ConcreteTypeMunger makeCflowCounterFieldAdder(ResolvedMember cflowField);

	/**
	 * Register a munger for perclause {@literal @}AJ aspect so that we add aspectOf(..) to them as needed
	 *
	 * @see org.aspectj.weaver.bcel.BcelWeavingSupport#makePerClauseAspect(ResolvedType, org.aspectj.weaver.patterns.PerClause.Kind)
	 */
	ConcreteTypeMunger makePerClauseAspect(ResolvedType aspect, PerClause.Kind kind);

	ConcreteTypeMunger concreteTypeMunger(ResolvedTypeMunger munger, ResolvedType aspectType);

	ConcreteTypeMunger createAccessForInlineMunger(ResolvedType inAspect);

	Var makeCflowAccessVar(ResolvedType formalType, Member cflowField, int arrayIndex);
}