| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.royale.compiler.internal.scopes; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.apache.royale.compiler.definitions.IDefinition; |
| import org.apache.royale.compiler.scopes.IDefinitionSet; |
| |
| /** |
| * An implementation of {@link IDefinitionStore} for storing |
| * up to 2 definitions using 2 fields rather than a map. |
| * Many scopes contain only a few definitions. |
| * <p> |
| * The methods of this class are optimized to use unrolled loops. |
| */ |
| public final class SmallDefinitionStore2 extends SmallDefinitionStoreBase |
| { |
| /** |
| * Constructor. |
| */ |
| public SmallDefinitionStore2() |
| { |
| } |
| |
| /** |
| * Copy constructor. |
| */ |
| public SmallDefinitionStore2(SmallDefinitionStore1 other) |
| { |
| definitionSet0 = other.definitionSet0; |
| } |
| |
| // Fields for storing up to 2 definition sets. |
| IDefinitionSet definitionSet0; |
| IDefinitionSet definitionSet1; |
| |
| @Override |
| public int getCapacity() |
| { |
| return 2; |
| } |
| |
| @Override |
| public IDefinitionStore createLargerStore() |
| { |
| // Graduate from being able to store 2 definition sets |
| // to being able to store 4 definition sets. |
| return new SmallDefinitionStore4(this); |
| } |
| |
| @Override |
| public IDefinitionSet getDefinitionSetByName(String baseName) |
| { |
| assert baseName != null : "The baseName of a definition must be non-null"; |
| |
| if (baseName.equals(getBaseName(definitionSet0))) |
| return definitionSet0; |
| if (baseName.equals(getBaseName(definitionSet1))) |
| return definitionSet1; |
| |
| return null; |
| } |
| |
| @Override |
| public void putDefinitionSetByName(String baseName, IDefinitionSet set) |
| { |
| if (baseName.equals(getBaseName(definitionSet0))) |
| definitionSet0 = set; |
| if (baseName.equals(getBaseName(definitionSet1))) |
| definitionSet1 = set; |
| } |
| |
| @Override |
| public Collection<String> getAllNames() |
| { |
| int n = getCapacity(); |
| List<String> list = new ArrayList<String>(n); |
| |
| addBaseNameToList(list, definitionSet0); |
| addBaseNameToList(list, definitionSet1); |
| |
| return list; |
| } |
| |
| @Override |
| public Collection<IDefinitionSet> getAllDefinitionSets() |
| { |
| int n = getCapacity(); |
| List<IDefinitionSet> list = new ArrayList<IDefinitionSet>(n); |
| |
| addDefinitionSetToList(list, definitionSet0); |
| addDefinitionSetToList(list, definitionSet1); |
| |
| return list; |
| } |
| |
| @Override |
| public Collection<IDefinition> getAllDefinitions() |
| { |
| int n = getCapacity(); |
| List<IDefinition> list = new ArrayList<IDefinition>(n); |
| |
| addDefinitionsToList(list, definitionSet0); |
| addDefinitionsToList(list, definitionSet1); |
| |
| return list; |
| } |
| |
| @Override |
| protected int findIndexForBaseName(String baseName) |
| { |
| assert baseName != null : "The baseName of a definition must be non-null"; |
| |
| if (baseName.equals(getBaseName(definitionSet0))) |
| return 0; |
| if (baseName.equals(getBaseName(definitionSet1))) |
| return 1; |
| |
| return -1; |
| } |
| |
| @Override |
| protected int findAvailableIndex() |
| { |
| if (definitionSet0 == null) |
| return 0; |
| if (definitionSet1 == null) |
| return 1; |
| |
| return -1; |
| |
| } |
| |
| @Override |
| protected IDefinitionSet getDefinitionSet(int i) |
| { |
| assert i >= 0 && i < getCapacity() : "The index must be within the capacity of the store"; |
| |
| switch (i) |
| { |
| case 0: |
| return definitionSet0; |
| case 1: |
| return definitionSet1; |
| } |
| |
| return null; |
| } |
| |
| @Override |
| protected void setDefinitionSet(int i, IDefinitionSet definitionSet) |
| { |
| assert i >= 0 && i < getCapacity() : "The index must be within the capacity of the store"; |
| |
| switch (i) |
| { |
| case 0: |
| definitionSet0 = definitionSet; |
| break; |
| case 1: |
| definitionSet1 = definitionSet; |
| break; |
| } |
| } |
| } |