| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jetbrains.plugins.groovy.lang.psi.dataFlow.reachingDefs; |
| |
| import org.jetbrains.plugins.groovy.lang.psi.dataFlow.Semilattice; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * @author ven |
| */ |
| public class ReachingDefinitionsSemilattice implements Semilattice<DefinitionMap> { |
| @Override |
| public DefinitionMap join(ArrayList<DefinitionMap> ins) { |
| if (ins.isEmpty()) return new DefinitionMap(); |
| |
| DefinitionMap result = new DefinitionMap(); |
| for (DefinitionMap map : ins) { |
| result.merge(map); |
| } |
| |
| return result; |
| } |
| |
| @Override |
| public boolean eq(final DefinitionMap m1, final DefinitionMap m2) { |
| return m1.eq(m2); |
| } |
| } |