001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.transformer.bytecode.statement.tag; 020 021import lucee.transformer.bytecode.BytecodeContext; 022import lucee.transformer.bytecode.BytecodeException; 023import lucee.transformer.bytecode.Position; 024import lucee.transformer.bytecode.Statement; 025import lucee.transformer.bytecode.expression.Expression; 026import lucee.transformer.bytecode.statement.Return; 027 028public final class TagReturn extends TagBaseNoFinal { 029 030 public TagReturn(Position start,Position end) { 031 super(start,end); 032 setHasFlowController(true); 033 } 034 035 /** 036 * 037 * @see lucee.transformer.bytecode.statement.tag.TagBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter) 038 */ 039 public void _writeOut(BytecodeContext bc) throws BytecodeException { 040 Attribute attr = getAttribute("expr"); 041 Expression expr=null; 042 if(attr!=null)expr=attr.getValue(); 043 new Return(expr,expr.getStart(),expr.getEnd()).writeOut(bc); 044 } 045 046 /** 047 * 048 * @see lucee.transformer.bytecode.statement.StatementBase#setParent(lucee.transformer.bytecode.Statement) 049 */ 050 public void setParent(Statement parent) { 051 super.setParent(parent); 052 parent.setHasFlowController(true); 053 } 054 055}