1/* 2 * Copyright (C) 2007-2010 Júlio Vilmar Gesser. 3 * Copyright (C) 2011, 2013-2015 The JavaParser Team. 4 * 5 * This file is part of JavaParser. 6 * 7 * JavaParser can be used either under the terms of 8 * a) the GNU Lesser General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * b) the terms of the Apache License 12 * 13 * You should have received a copy of both licenses in LICENCE.LGPL and 14 * LICENCE.APACHE. Please refer to those files for details. 15 * 16 * JavaParser is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU Lesser General Public License for more details. 20 */ 21 22package com.github.javaparser.ast.expr; 23 24import com.github.javaparser.ast.visitor.GenericVisitor; 25import com.github.javaparser.ast.visitor.VoidVisitor; 26 27/** 28 * @author Julio Vilmar Gesser 29 */ 30public final class UnaryExpr extends Expression { 31 32 public static enum Operator { 33 positive, // + 34 negative, // - 35 preIncrement, // ++ 36 preDecrement, // -- 37 not, // ! 38 inverse, // ~ 39 posIncrement, // ++ 40 posDecrement, // -- 41 } 42 43 private Expression expr; 44 45 private Operator op; 46 47 public UnaryExpr() { 48 } 49 50 public UnaryExpr(final Expression expr, final Operator op) { 51 setExpr(expr); 52 setOperator(op); 53 } 54 55 public UnaryExpr(final int beginLine, final int beginColumn, final int endLine, final int endColumn, 56 final Expression expr, final Operator op) { 57 super(beginLine, beginColumn, endLine, endColumn); 58 setExpr(expr); 59 setOperator(op); 60 } 61 62 @Override public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) { 63 return v.visit(this, arg); 64 } 65 66 @Override public <A> void accept(final VoidVisitor<A> v, final A arg) { 67 v.visit(this, arg); 68 } 69 70 public Expression getExpr() { 71 return expr; 72 } 73 74 public Operator getOperator() { 75 return op; 76 } 77 78 public void setExpr(final Expression expr) { 79 this.expr = expr; 80 setAsParentNodeOf(this.expr); 81 } 82 83 public void setOperator(final Operator op) { 84 this.op = op; 85 } 86} 87