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.Position; 024import lucee.transformer.bytecode.cast.CastString; 025import lucee.transformer.bytecode.expression.ExprString; 026import lucee.transformer.bytecode.expression.Expression; 027import lucee.transformer.bytecode.util.Types; 028 029import org.objectweb.asm.Type; 030import org.objectweb.asm.commons.GeneratorAdapter; 031import org.objectweb.asm.commons.Method; 032 033public final class PrintOut extends StatementBaseNoFinal { 034 035 // void write (String) 036 private final static Method METHOD_WRITE = new Method("write", 037 Types.VOID, 038 new Type[]{Types.STRING}); 039 // void writePSQ (Object) TODO muss param 1 wirklich objekt sein 040 private final static Method METHOD_WRITE_PSQ = new Method("writePSQ", 041 Types.VOID, 042 new Type[]{Types.OBJECT}); 043 044 Expression expr; 045 046 private boolean checkPSQ; 047 048 049 050 /** 051 * constructor of the class 052 * @param expr 053 * @param line 054 */ 055 public PrintOut(Expression expr, Position start,Position end) { 056 super(start,end); 057 this.expr=CastString.toExprString(expr); 058 } 059 060 061 /** 062 * @see lucee.transformer.bytecode.Statement#_writeOut(org.objectweb.asm.commons.GeneratorAdapter) 063 */ 064 public void _writeOut(BytecodeContext bc) throws BytecodeException { 065 GeneratorAdapter adapter = bc.getAdapter(); 066 adapter.loadArg(0); 067 ExprString es=CastString.toExprString(expr); 068 boolean usedExternalizer=false; 069 070 /*if(es instanceof LitString) { 071 LitString ls = ((LitString)es); 072 ls.setExternalize(true); 073 }*/ 074 075 if(!usedExternalizer)es.writeOut(bc,Expression.MODE_REF); 076 adapter.invokeVirtual(Types.PAGE_CONTEXT,checkPSQ?METHOD_WRITE_PSQ:METHOD_WRITE); 077 } 078 079 080 /** 081 * @return the expr 082 */ 083 public Expression getExpr() { 084 return expr; 085 } 086 087 /** 088 * @param expr the expr to set 089 */ 090 public void setExpr(Expression expr) { 091 this.expr = expr; 092 } 093 094 095 /** 096 * @param preserveSingleQuote the preserveSingleQuote to set 097 */ 098 public void setCheckPSQ(boolean checkPSQ) { 099 this.checkPSQ = checkPSQ; 100 } 101}