org.aspectj.org.eclipse.jdt.internal.core.search.matching.TypeParameterPattern Maven / Gradle / Ivy

/*******************************************************************************
 * Copyright (c) 2000, 2008 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.aspectj.org.eclipse.jdt.internal.core.search.matching;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.aspectj.org.eclipse.jdt.core.IJavaElement;
import org.aspectj.org.eclipse.jdt.core.IMember;
import org.aspectj.org.eclipse.jdt.core.IMethod;
import org.aspectj.org.eclipse.jdt.core.IModuleDescription;
import org.aspectj.org.eclipse.jdt.core.IPackageFragmentRoot;
import org.aspectj.org.eclipse.jdt.core.IType;
import org.aspectj.org.eclipse.jdt.core.ITypeParameter;
import org.aspectj.org.eclipse.jdt.core.Signature;
import org.aspectj.org.eclipse.jdt.core.search.IJavaSearchScope;
import org.aspectj.org.eclipse.jdt.core.search.SearchParticipant;
import org.aspectj.org.eclipse.jdt.internal.compiler.env.AccessRuleSet;
import org.aspectj.org.eclipse.jdt.internal.compiler.util.SuffixConstants;
import org.aspectj.org.eclipse.jdt.internal.core.index.Index;
import org.aspectj.org.eclipse.jdt.internal.core.search.IndexQueryRequestor;
import org.aspectj.org.eclipse.jdt.internal.core.search.JavaSearchScope;
import org.aspectj.org.eclipse.jdt.internal.core.util.Util;

/**
 * Pattern to search type parameters.
 *
 * @since 3.1
 */
public class TypeParameterPattern extends JavaSearchPattern {

	protected boolean findDeclarations;
	protected boolean findReferences;
	protected char[] name;
	protected ITypeParameter typeParameter;
	protected char[] declaringMemberName;
	protected char[] methodDeclaringClassName;
	protected char[][] methodArgumentTypes;

	/**
	 * @param findDeclarations
	 * @param findReferences
	 * @param typeParameter
	 * @param matchRule
	 */
	public TypeParameterPattern(boolean findDeclarations, boolean findReferences, ITypeParameter typeParameter, int matchRule) {
		super(TYPE_PARAM_PATTERN, matchRule);

		this.findDeclarations = findDeclarations; // set to find declarations & all occurences
		this.findReferences = findReferences; // set to find references & all occurences
		this.typeParameter = typeParameter;
		this.name = typeParameter.getElementName().toCharArray(); // store type parameter name
		IMember member = typeParameter.getDeclaringMember();
		this.declaringMemberName = member.getElementName().toCharArray(); // store type parameter declaring member name

		// For method type parameter, store also declaring class name and parameters type names
		if (member instanceof IMethod) {
			IMethod method = (IMethod) member;
			this.methodDeclaringClassName = method.getParent().getElementName().toCharArray();
			String[] parameters = method.getParameterTypes();
			int length = parameters.length;
			this.methodArgumentTypes = new char[length][];
			for (int i=0; i