| /* |
| * 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 gnu.trove.TIntHashSet; |
| import gnu.trove.TIntObjectHashMap; |
| import gnu.trove.TIntObjectProcedure; |
| import gnu.trove.TObjectProcedure; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.lang.psi.controlFlow.Instruction; |
| |
| /** |
| * @author peter |
| */ |
| public class DefinitionMap { |
| private final TIntObjectHashMap<TIntHashSet> myMap = new TIntObjectHashMap<TIntHashSet>(); |
| |
| public void registerDef(Instruction varInsn, int varId) { |
| TIntHashSet defs = myMap.get(varId); |
| if (defs == null) { |
| myMap.put(varId, defs = new TIntHashSet()); |
| } else { |
| defs.clear(); |
| } |
| defs.add(varInsn.num()); |
| } |
| |
| public void merge(DefinitionMap map2) { |
| map2.myMap.forEachEntry(new TIntObjectProcedure<TIntHashSet>() { |
| @Override |
| public boolean execute(int num, TIntHashSet defs) { |
| TIntHashSet defs2 = myMap.get(num); |
| if (defs2 == null) { |
| defs2 = new TIntHashSet(defs.toArray()); |
| myMap.put(num, defs2); |
| } |
| else { |
| defs2.addAll(defs.toArray()); |
| } |
| |
| return true; |
| } |
| }); |
| } |
| |
| public boolean eq(final DefinitionMap m2) { |
| if (myMap.size() != m2.myMap.size()) return false; |
| |
| return myMap.forEachEntry(new TIntObjectProcedure<TIntHashSet>() { |
| @Override |
| public boolean execute(int num, TIntHashSet defs1) { |
| final TIntHashSet defs2 = m2.myMap.get(num); |
| return defs2 != null && defs2.equals(defs1); |
| } |
| }); |
| } |
| |
| public void copyFrom(DefinitionMap map, int fromIndex, int toIndex) { |
| TIntHashSet defs = map.myMap.get(fromIndex); |
| if (defs == null) defs = new TIntHashSet(); |
| myMap.put(toIndex, defs); |
| } |
| |
| @Nullable |
| public int[] getDefinitions(int varId) { |
| TIntHashSet set = myMap.get(varId); |
| return set == null ? null : set.toArray(); |
| } |
| |
| public void forEachValue(TObjectProcedure<TIntHashSet> procedure) { |
| myMap.forEachValue(procedure); |
| } |
| } |