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.cast.CastBoolean; 025import lucee.transformer.bytecode.expression.ExprBoolean; 026import lucee.transformer.bytecode.expression.Expression; 027import lucee.transformer.bytecode.literal.LitBoolean; 028import lucee.transformer.bytecode.util.Types; 029 030import org.objectweb.asm.Type; 031import org.objectweb.asm.commons.GeneratorAdapter; 032import org.objectweb.asm.commons.Method; 033 034public final class TagInclude extends TagBaseNoFinal { 035 036 private final static Method DO_INCLUDE_RUN_ONCE2 = new Method( 037 "doInclude", 038 Type.VOID_TYPE, 039 new Type[]{Types.STRING,Types.BOOLEAN_VALUE}); 040 041 private final static Method DO_INCLUDE_RUN_ONCE3 = new Method( 042 "doInclude", 043 Type.VOID_TYPE, 044 new Type[]{Types.STRING,Types.BOOLEAN_VALUE, Types.OBJECT}); 045 046 public TagInclude(Position start,Position end) { 047 super(start,end); 048 } 049 050 /** 051 * @see lucee.transformer.bytecode.statement.tag.TagBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter) 052 */ 053 public void _writeOut(BytecodeContext bc) throws BytecodeException { 054 Type type = Types.PAGE_CONTEXT; 055 Method func = DO_INCLUDE_RUN_ONCE2; 056 057 // cachedwithin 058 Expression cachedwithin=null; 059 Attribute attr = getAttribute("cachedwithin"); 060 if(attr!=null && attr.getValue()!=null) { 061 cachedwithin = attr.getValue(); 062 type = Types.PAGE_CONTEXT_IMPL; 063 func = DO_INCLUDE_RUN_ONCE3; 064 } 065 066 GeneratorAdapter adapter = bc.getAdapter(); 067 adapter.loadArg(0); 068 if(cachedwithin!=null) adapter.checkCast(Types.PAGE_CONTEXT_IMPL); 069 070 // template 071 getAttribute("template").getValue().writeOut(bc, Expression.MODE_REF); 072 073 // run Once 074 attr = getAttribute("runonce"); 075 ExprBoolean expr = (attr==null)? 076 LitBoolean.FALSE: 077 CastBoolean.toExprBoolean(attr.getValue()); 078 expr.writeOut(bc, Expression.MODE_VALUE); 079 080 // cachedwithin 081 if(cachedwithin!=null) 082 cachedwithin.writeOut(bc, Expression.MODE_REF); 083 084 adapter.invokeVirtual(type,func); 085 } 086}