/* * 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); } }