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.expression; 020 021import lucee.runtime.exp.TemplateException; 022import lucee.transformer.bytecode.BytecodeContext; 023import lucee.transformer.bytecode.BytecodeException; 024import lucee.transformer.bytecode.Position; 025 026import org.objectweb.asm.Type; 027 028 029/** 030 * A Expression (Operation, Literal aso.) 031 */ 032public interface Expression { 033 034 /** 035 * Field <code>MODE_REF</code> 036 */ 037 public static final int MODE_REF=0; 038 /** 039 * Field <code>MODE_VALUE</code> 040 */ 041 public static final int MODE_VALUE=1; 042 043 /** 044 * write out the stament to adapter 045 * @param adapter 046 * @param mode 047 * @return return Type of expression 048 * @throws TemplateException 049 */ 050 public Type writeOut(BytecodeContext bc, int mode) throws BytecodeException; 051 052 public Position getStart(); 053 054 public Position getEnd(); 055 056 public void setStart(Position start); 057 058 public void setEnd(Position end); 059}