Repair/RepairCompiler/MCC/IR/Binding.java

   1 package MCC.IR;
   2
   3 class Binding {
   4     VarDescriptor var;
   5     SetDescriptor sd;
   6     int position;
   7     int type;
   8     public static final int POSITION=1;
   9     public static final int CREATE=2;
  10     public static final int SEARCH=3;
  11
  12     public Binding(VarDescriptor vd,int pos) {
  13         var=vd;
  14         position=pos;
  15         type=POSITION;
  16     }
  17
  18     public Binding(VarDescriptor vd, SetDescriptor sd,boolean search) {
  19         this.var=vd;
  20         this.sd=sd;
  21         if (search)
  22             type=SEARCH;
  23         else
  24             type=CREATE;
  25     }
  26
  27     public int getType() {
  28         return type;
  29     }
  30
  31     int getPosition() {
  32         assert type==POSITION;
  33         return position;
  34     }
  35
  36     SetDescriptor getSet() {
  37         assert type==CREATE||type==SEARCH;
  38         return sd;
  39     }
  40
  41     VarDescriptor getVar() {
  42         return var;
  43     }
  44
  45     public String toString() {
  46         switch(type) {
  47         case POSITION:
  48             return var.toString()+"="+String.valueOf(position);
  49         case CREATE:
  50             return var.toString()+"=CREATE("+sd.toString()+")";
  51         case SEARCH:
  52             return var.toString()+"=SEARCH("+sd.toString()+")";
  53         default:
  54             return "UNRECOGNIZED Binding type";
  55         }
  56     }
  57 }