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Java > Open Source Codes > soot > javaToJimple > jj > ast > JjFieldAssign_c


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2004 Jennifer Lhotak
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */

19
20 package soot.javaToJimple.jj.ast;
21
22 import polyglot.ast.*;
23 import polyglot.visit.*;
24 import polyglot.ext.jl.ast.*;
25 import polyglot.types.*;
26 import polyglot.util.*;
27
28 public class JjFieldAssign_c extends FieldAssign_c {
29
30     public JjFieldAssign_c(Position pos, Field left, Operator op, Expr right){
31         super(pos, left, op, right);
32     }
33     
34     public Type childExpectedType(Expr child, AscriptionVisitor av){
35       if (op == SHL_ASSIGN || op == SHR_ASSIGN || op == USHR_ASSIGN) {
36           return child.type();
37       }
38       
39       if (child == right) {
40           return left.type();
41       }
42
43       return child.type();
44         
45
46     }
47 }
48
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