| /******************************************************************************* |
| * Copyright (c) 2020 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: |
| * Fabrice TIERCELIN - initial API and implementation from AutoRefactor |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.dom; |
| |
| import java.util.Objects; |
| |
| import org.eclipse.jdt.core.dom.IBinding; |
| import org.eclipse.jdt.core.dom.IMethodBinding; |
| import org.eclipse.jdt.core.dom.IVariableBinding; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| |
| /** |
| * Matches two piece of code only if the variables/methods in use are the same. |
| */ |
| public final class ASTMatcherSameVariablesAndMethods extends ASTSemanticMatcher { |
| @Override |
| public boolean match(final SimpleName node, final Object other) { |
| return super.match(node, other) && sameReference(node, (SimpleName) other); |
| } |
| |
| private boolean sameReference(final SimpleName node1, final SimpleName node2) { |
| IBinding declaration1= getDeclaration(node1); |
| IBinding declaration2= getDeclaration(node2); |
| return declaration1 != null && Objects.equals(declaration1, declaration2); |
| } |
| |
| private IBinding getDeclaration(final SimpleName node) { |
| IBinding ast= node.resolveBinding(); |
| |
| if (ast != null) { |
| switch (ast.getKind()) { |
| case IBinding.VARIABLE: |
| return ((IVariableBinding) ast).getVariableDeclaration(); |
| |
| case IBinding.METHOD: |
| return ((IMethodBinding) ast).getMethodDeclaration(); |
| default: |
| break; |
| } |
| } |
| |
| return ast; |
| } |
| } |