| /* |
| * Copyright 2007 Google Inc. |
| * |
| * 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.google.gwt.dev.jjs.ast; |
| |
| import com.google.gwt.dev.jjs.SourceInfo; |
| import com.google.gwt.thirdparty.guava.common.collect.Lists; |
| |
| import java.util.List; |
| |
| /** |
| * AST node representing a Java {@code for} statement. |
| */ |
| public class JForStatement extends JStatement { |
| |
| private JStatement body; |
| private List<JStatement> initializers; |
| private JExpression condition; |
| private JExpression increments; |
| |
| /** |
| * Creates an AST node that represents a Java for statement. {@code condition} and |
| * {@code increments} can be null to denote an empty component. |
| */ |
| public JForStatement(SourceInfo info, List<JStatement> initializers, JExpression condition, |
| JExpression increments, JStatement body) { |
| super(info); |
| this.initializers = Lists.newArrayList(initializers); |
| this.condition = condition; |
| this.increments = increments; |
| this.body = body; |
| } |
| |
| /** |
| * Returns the {@code for} statement body. |
| */ |
| public JStatement getBody() { |
| return body; |
| } |
| |
| /** |
| * Returns the increments (3rd component) expression. |
| */ |
| public JExpression getIncrements() { |
| return increments; |
| } |
| |
| /** |
| * Returns the initializer (1st component) statements. |
| */ |
| public List<JStatement> getInitializers() { |
| return initializers; |
| } |
| |
| /** |
| * Returns the condition (2nd component) expression. |
| */ |
| public JExpression getCondition() { |
| return condition; |
| } |
| |
| @Override |
| public void traverse(JVisitor visitor, Context ctx) { |
| if (visitor.visit(this, ctx)) { |
| initializers = visitor.acceptWithInsertRemoveImmutable(initializers); |
| if (condition != null) { |
| condition = visitor.accept(condition); |
| } |
| if (increments != null) { |
| increments = visitor.accept(increments); |
| } |
| if (body != null) { |
| body = visitor.accept(body, true); |
| } |
| } |
| visitor.endVisit(this, ctx); |
| } |
| } |