plugins/net.mograsim.logic.model.verilog/src/net/mograsim/logic/model/verilog/model/Assign.java

   1 package net.mograsim.logic.model.verilog.model;
   2
   3 import java.util.Objects;
   4
   5 public class Assign
   6 {
   7         private final Signal source;
   8         private final NamedSignal target;
   9
  10         public Assign(Signal source, NamedSignal target)
  11         {
  12                 this.source = Objects.requireNonNull(source);
  13                 this.target = Objects.requireNonNull(target);
  14
  15                 check();
  16         }
  17
  18         private void check()
  19         {
  20                 if (source.getWidth() != target.getWidth())
  21                         throw new IllegalArgumentException("Signal widthes don't match");
  22         }
  23
  24         public Signal getSource()
  25         {
  26                 return source;
  27         }
  28
  29         public Signal getTarget()
  30         {
  31                 return target;
  32         }
  33
  34         public String toVerilogCode()
  35         {
  36                 return "assign " + target.toReferenceVerilogCode() + " = " + source.toReferenceVerilogCode() + ";";
  37         }
  38
  39         @Override
  40         public String toString()
  41         {
  42                 return target.getName() + " = " + source.toReferenceVerilogCode();
  43         }
  44
  45         @Override
  46         public int hashCode()
  47         {
  48                 final int prime = 31;
  49                 int result = 1;
  50                 result = prime * result + ((source == null) ? 0 : source.hashCode());
  51                 result = prime * result + ((target == null) ? 0 : target.hashCode());
  52                 return result;
  53         }
  54
  55         @Override
  56         public boolean equals(Object obj)
  57         {
  58                 if (this == obj)
  59                         return true;
  60                 if (obj == null)
  61                         return false;
  62                 if (getClass() != obj.getClass())
  63                         return false;
  64                 Assign other = (Assign) obj;
  65                 if (source == null)
  66                 {
  67                         if (other.source != null)
  68                                 return false;
  69                 } else if (!source.equals(other.source))
  70                         return false;
  71                 if (target == null)
  72                 {
  73                         if (other.target != null)
  74                                 return false;
  75                 } else if (!target.equals(other.target))
  76                         return false;
  77                 return true;
  78         }
  79 }