DLengthExpr


1   /* Soot - a J*va Optimization Framework
2    * Copyright (C) 2003 Jerome Miecznikowski
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.dava.internal.javaRep;
21  
22  import soot.*;
23  import soot.grimp.*;
24  import soot.jimple.*;
25  import soot.jimple.internal.*;
26  
27  public class DLengthExpr extends AbstractLengthExpr implements Precedence
28  {
29      public DLengthExpr(Value op)
30      {
31          super(Grimp.v().newObjExprBox(op));
32      }
33  
34      public int getPrecedence() { return 950; }
35        
36      public Object   clone() 
37      {
38          return new DLengthExpr(Grimp.cloneIfNecessary(getOp()));
39      }
40  
41      public void toString( UnitPrinter up ) {
42          if( PrecedenceTest.needsBrackets( getOpBox(), this ) ) up.literal("(");
43          getOpBox().toString(up);
44          if( PrecedenceTest.needsBrackets( getOpBox(), this ) ) up.literal(")");
45          up.literal(".");
46          up.literal("length");
47      }
48  
49      public String   toString()
50      {
51          StringBuffer   b = new StringBuffer  ();
52          if( PrecedenceTest.needsBrackets( getOpBox(), this ) ) b.append("(");
53          b.append(getOpBox().getValue().toString());
54          if( PrecedenceTest.needsBrackets( getOpBox(), this ) ) b.append(")");
55          b.append(".length");
56  
57          return b.toString();
58      }
59  }
60
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