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; 022 023import org.objectweb.asm.Label; 024import org.objectweb.asm.Opcodes; 025import org.objectweb.asm.commons.GeneratorAdapter; 026 027public final class NotVisitor { 028 029 public static void visitNot(BytecodeContext bc) { 030 GeneratorAdapter adapter = bc.getAdapter(); 031 032 Label l1=new Label(); 033 adapter.visitJumpInsn(Opcodes.IFEQ, l1); 034 adapter.visitInsn(Opcodes.ICONST_0); 035 Label l2 = new Label(); 036 adapter.visitJumpInsn(Opcodes.GOTO, l2); 037 adapter.visitLabel(l1); 038 adapter.visitInsn(Opcodes.ICONST_1); 039 adapter.visitLabel(l2); 040 } 041 042}