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.visitor; 020 021import lucee.transformer.bytecode.BytecodeContext; 022import lucee.transformer.bytecode.BytecodeException; 023import lucee.transformer.bytecode.util.Types; 024 025import org.objectweb.asm.Type; 026import org.objectweb.asm.commons.GeneratorAdapter; 027import org.objectweb.asm.commons.Method; 028 029public final class ParseBodyVisitor { 030 031 // void outputStart() 032 public final static Method OUTPUT_START = new Method("outputStart",Types.VOID,new Type[]{}); 033 034 // void outputEnd() 035 public final static Method OUTPUT_END = new Method("outputEnd",Types.VOID,new Type[]{}); 036 private TryFinallyVisitor tfv; 037 038 public void visitBegin(BytecodeContext bc) { 039 GeneratorAdapter adapter = bc.getAdapter(); 040 041 tfv=new TryFinallyVisitor(new OnFinally() { 042 public void _writeOut(BytecodeContext bc) { 043 //ExpressionUtil.visitLine(bc, line); 044 bc.getAdapter().loadArg(0); 045 bc.getAdapter().invokeVirtual(Types.PAGE_CONTEXT,OUTPUT_END); 046 } 047 },null); 048 049 //ExpressionUtil.visitLine(bc, line); 050 adapter.loadArg(0); 051 adapter.invokeVirtual(Types.PAGE_CONTEXT,OUTPUT_START); 052 tfv.visitTryBegin(bc); 053 054 055 } 056 public void visitEnd(BytecodeContext bc) throws BytecodeException { 057 058 tfv.visitTryEnd(bc); 059 060 } 061}