| /* |
| * 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.generator.ast; |
| |
| import java.util.List; |
| |
| /** |
| * A kind of {@link Statements} that represents a <code>for</code> loop. |
| */ |
| public class ForLoop implements Statements { |
| |
| private final StatementsList body; |
| |
| private final String initializer; |
| |
| private String label; |
| |
| private final String step; |
| |
| private final String test; |
| |
| /** |
| * Creates a {@link ForLoop#ForLoop(String,String,String,Statements)} with a |
| * null body. |
| */ |
| public ForLoop(String initializer, String test, String step) { |
| this(initializer, test, step, null); |
| } |
| |
| /** |
| * Constructs a new <code>ForLoop</code> {@link Node}. |
| * |
| * @param initializer The textual initializer {@link Expression}. |
| * @param test The textual test {@link Expression}. |
| * @param step The textual step {@link Expression}. May be <code>null</code>. |
| * @param statements The {@link Statements} for the body of the loop. May be |
| * <code>null</code>. |
| */ |
| public ForLoop(String initializer, String test, String step, |
| Statements statements) { |
| this.initializer = initializer; |
| this.test = test; |
| this.step = step; |
| this.body = new StatementsList(); |
| |
| if (statements != null) { |
| body.getStatements().add(statements); |
| } |
| } |
| |
| public List<Statements> getStatements() { |
| return body.getStatements(); |
| } |
| |
| public void setLabel(String label) { |
| this.label = label; |
| } |
| |
| public String toCode() { |
| String loop = "for ( " + initializer + "; " + test + "; " + step + " ) {\n" |
| + body.toCode() + "\n" + "}\n"; |
| |
| return label != null ? label + ": " + loop : loop; |
| } |
| } |