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; 020 021import lucee.transformer.bytecode.BytecodeContext; 022import lucee.transformer.bytecode.BytecodeException; 023import lucee.transformer.bytecode.Literal; 024import lucee.transformer.bytecode.expression.Expression; 025import lucee.transformer.bytecode.util.ASMUtil; 026import lucee.transformer.bytecode.util.Types; 027 028import org.objectweb.asm.Type; 029import org.objectweb.asm.commons.GeneratorAdapter; 030 031public final class ExpressionAsStatement extends StatementBaseNoFinal { 032 033 private Expression expr; 034 035 036 /** 037 * Constructor of the class 038 * @param expr 039 */ 040 public ExpressionAsStatement(Expression expr) { 041 super(expr.getStart(),expr.getEnd()); 042 this.expr=expr; 043 } 044 045 /** 046 * 047 * @see lucee.transformer.bytecode.statement.StatementBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter) 048 */ 049 public void _writeOut(BytecodeContext bc) throws BytecodeException { 050 GeneratorAdapter adapter = bc.getAdapter(); 051 if(!(expr instanceof Literal)) { 052 Type type = expr.writeOut(bc, Expression.MODE_VALUE); 053 if(!type.equals(Types.VOID))ASMUtil.pop(adapter, type); 054 //if(type.equals(Types.DOUBLE_VALUE))adapter.pop2(); 055 //else adapter.pop(); 056 } 057 } 058 059 /** 060 * @return the expr 061 */ 062 public Expression getExpr() { 063 return expr; 064 } 065}