| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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 com.android.jack.cfg; |
| |
| import com.android.jack.ir.ast.JStatement; |
| |
| import java.util.List; |
| |
| import javax.annotation.Nonnegative; |
| import javax.annotation.Nonnull; |
| |
| /** |
| * {@link ConditionalBasicBlock} represents blocks ended by if statement. |
| */ |
| public class ConditionalBasicBlock extends BasicBlock { |
| |
| @Nonnegative |
| private static final int THEN_BLOCK_INDEX = 0; |
| @Nonnegative |
| private static final int ELSE_BLOCK_INDEX = 1; |
| @Nonnegative |
| private static final int FIXED_BLOCK_COUNT = 2; |
| |
| public ConditionalBasicBlock(@Nonnegative int id, @Nonnull List<JStatement> statements) { |
| super(id, statements, FIXED_BLOCK_COUNT); |
| } |
| |
| public void setThenBlock(@Nonnull BasicBlock thenBb) { |
| setSuccessor(THEN_BLOCK_INDEX, thenBb); |
| } |
| |
| public void setElseBlock(@Nonnull BasicBlock elseBb) { |
| setSuccessor(ELSE_BLOCK_INDEX, elseBb); |
| } |
| |
| @Nonnull |
| public BasicBlock getThenBlock() { |
| return getInternalSuccessors().get(THEN_BLOCK_INDEX); |
| } |
| |
| @Nonnull |
| public BasicBlock getElseBlock() { |
| return getInternalSuccessors().get(ELSE_BLOCK_INDEX); |
| } |
| } |