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Java > Open Source Codes > org > jacorb > idl > UnaryExpr


1 package org.jacorb.idl;
2
3 /*
4  * JacORB - a free Java ORB
5  *
6  * Copyright (C) 1997-2004 Gerald Brose.
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Library General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Library General Public License for more details.
17  *
18  * You should have received a copy of the GNU Library General Public
19  * License along with this library; if not, write to the Free
20  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22
23 import java.io.PrintWriter JavaDoc;
24
25 /**
26  * @author Gerald Brose
27  * @version $Id: UnaryExpr.java,v 1.13 2004/05/06 12:39:59 nicolas Exp $
28  */
29
30 class UnaryExpr
31         extends IdlSymbol
32 {
33
34     public String JavaDoc unary_op = "";
35     public PrimaryExpr primary_expr;
36
37     public UnaryExpr( int num )
38     {
39         super( num );
40     }
41
42     public void print( PrintWriter JavaDoc ps )
43     {
44         ps.print( unary_op );
45         primary_expr.print( ps );
46     }
47
48     public void setDeclaration( ConstDecl declared_in )
49     {
50         primary_expr.setDeclaration( declared_in );
51     }
52
53     public void setPackage( String JavaDoc s )
54     {
55         s = parser.pack_replace( s );
56         if( pack_name.length() > 0 )
57             pack_name = s + "." + pack_name;
58         else
59             pack_name = s;
60         primary_expr.setPackage( s );
61     }
62
63     public void parse()
64     {
65         primary_expr.parse();
66     }
67
68     int pos_int_const()
69     {
70         int y = primary_expr.pos_int_const();
71         if( !unary_op.equals( "" ) )
72         {
73             if( unary_op.equals( "-" ) )
74                 return y * -1;
75             else
76                 return y;
77         }
78         else
79             return y;
80     }
81
82     public String JavaDoc value()
83     {
84         return unary_op + primary_expr.value();
85     }
86
87     public String JavaDoc toString()
88     {
89         return unary_op.toString() + primary_expr.toString();
90     }
91
92     public str_token get_token()
93     {
94         return primary_expr.get_token();
95     }
96
97
98 }
99
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