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