| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.codemodel.internal; |
| |
| /** |
| * If statement, with optional else clause |
| */ |
| |
| public class JConditional implements JStatement { |
| |
| /** |
| * JExpression to test to determine branching |
| */ |
| private JExpression test = null; |
| |
| /** |
| * JBlock of statements for "then" clause |
| */ |
| private JBlock _then = new JBlock(); |
| |
| /** |
| * JBlock of statements for optional "else" clause |
| */ |
| private JBlock _else = null; |
| |
| /** |
| * Constructor |
| * |
| * @param test |
| * JExpression which will determine branching |
| */ |
| JConditional(JExpression test) { |
| this.test = test; |
| } |
| |
| /** |
| * Return the block to be excuted by the "then" branch |
| * |
| * @return Then block |
| */ |
| public JBlock _then() { |
| return _then; |
| } |
| |
| /** |
| * Create a block to be executed by "else" branch |
| * |
| * @return Newly generated else block |
| */ |
| public JBlock _else() { |
| if (_else == null) _else = new JBlock(); |
| return _else; |
| } |
| |
| /** |
| * Creates {@code ... else if(...) ...} code. |
| */ |
| public JConditional _elseif(JExpression boolExp) { |
| return _else()._if(boolExp); |
| } |
| |
| public void state(JFormatter f) { |
| if(test==JExpr.TRUE) { |
| _then.generateBody(f); |
| return; |
| } |
| if(test==JExpr.FALSE) { |
| _else.generateBody(f); |
| return; |
| } |
| |
| if (JOp.hasTopOp(test)) { |
| f.p("if ").g(test); |
| } else { |
| f.p("if (").g(test).p(')'); |
| } |
| f.g(_then); |
| if (_else != null) |
| f.p("else").g(_else); |
| f.nl(); |
| } |
| } |