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1
19
20 package soot.jimple.toolkits.pointer;
21 import soot.*;
22 import java.util.*;
23 import soot.tagkit.*;
24
25 public class DependenceTag implements Tag
26 {
27 private final static String  NAME = "DependenceTag";
28 protected short read = -1;
29 protected short write = -1;
30 protected boolean callsNative = false;
31
32 public boolean setCallsNative() {
33 boolean ret = !callsNative;
34 callsNative = true;
35 return ret;
36 }
37
38 protected void setRead( short s ) {
39 read = s;
40 }
41
42 protected void setWrite( short s ) {
43 write = s;
44 }
45
46 public String getName()
47 {
48 return NAME;
49 }
50
51 public byte[] getValue() {
52 byte[] ret = new byte[5];
53 ret[0] = (byte) ( (read >> 8) & 0xff );
54 ret[1] = (byte) ( read & 0xff );
55 ret[2] = (byte) ( (write >> 8) & 0xff );
56 ret[3] = (byte) ( write & 0xff );
57 ret[4] = (byte) ( callsNative ? 1 : 0 );
58 return ret;
59 }
60
61 public String toString()
62 {
63 StringBuffer buf = new StringBuffer ();
64 if( callsNative ) buf.append( "SECallsNative\n" );
65 if( read >= 0 ) buf.append( "SEReads : "+read+"\n" );
66 if( write >= 0 ) buf.append( "SEWrites: "+write+"\n" );
67 return buf.toString();
68 }
69 }
70 |
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