1/* 2 * Copyright (C) 2007-2010 Júlio Vilmar Gesser. 3 * Copyright (C) 2011, 2013-2016 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.Range; 25import com.github.javaparser.ast.visitor.GenericVisitor; 26import com.github.javaparser.ast.visitor.VoidVisitor; 27 28/** 29 * @author Julio Vilmar Gesser 30 */ 31public final class UnaryExpr extends Expression { 32 33 public enum Operator { 34 positive, // + 35 negative, // - 36 preIncrement, // ++ 37 preDecrement, // -- 38 not, // ! 39 inverse, // ~ 40 posIncrement, // ++ 41 posDecrement, // -- 42 } 43 44 private Expression expr; 45 46 private Operator op; 47 48 public UnaryExpr() { 49 } 50 51 public UnaryExpr(final Expression expr, final Operator op) { 52 setExpr(expr); 53 setOperator(op); 54 } 55 56 public UnaryExpr(final Range range, final Expression expr, final Operator op) { 57 super(range); 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 UnaryExpr setExpr(final Expression expr) { 79 this.expr = expr; 80 setAsParentNodeOf(this.expr); 81 return this; 82 } 83 84 public UnaryExpr setOperator(final Operator op) { 85 this.op = op; 86 return this; 87 } 88} 89