plugins/net.mograsim.logic.model.verilog/src/net/mograsim/logic/model/verilog/converter/PinBit.java

   1 package net.mograsim.logic.model.verilog.converter;
   2
   3 import java.util.Objects;
   4
   5 import net.mograsim.logic.model.model.wires.Pin;
   6
   7 public class PinBit
   8 {
   9         private final Pin pin;
  10         private final int bit;
  11
  12         public PinBit(Pin pin, int bit)
  13         {
  14                 this.pin = Objects.requireNonNull(pin);
  15                 this.bit = bit;
  16
  17                 check();
  18         }
  19
  20         private void check()
  21         {
  22                 if (bit < 0 || bit >= pin.logicWidth)
  23                         throw new IllegalArgumentException("Bit out of range for pin " + pin + ": " + bit);
  24         }
  25
  26         public Pin getPin()
  27         {
  28                 return pin;
  29         }
  30
  31         public int getBit()
  32         {
  33                 return bit;
  34         }
  35
  36         public PinNameBit toPinNameBit()
  37         {
  38                 return new PinNameBit(pin.name, bit);
  39         }
  40
  41         @Override
  42         public String toString()
  43         {
  44                 return pin + "[" + bit + "]";
  45         }
  46
  47         @Override
  48         public int hashCode()
  49         {
  50                 final int prime = 31;
  51                 int result = 1;
  52                 result = prime * result + bit;
  53                 result = prime * result + ((pin == null) ? 0 : pin.hashCode());
  54                 return result;
  55         }
  56
  57         @Override
  58         public boolean equals(Object obj)
  59         {
  60                 if (this == obj)
  61                         return true;
  62                 if (obj == null)
  63                         return false;
  64                 if (getClass() != obj.getClass())
  65                         return false;
  66                 PinBit other = (PinBit) obj;
  67                 if (bit != other.bit)
  68                         return false;
  69                 if (pin == null)
  70                 {
  71                         if (other.pin != null)
  72                                 return false;
  73                 } else if (!pin.equals(other.pin))
  74                         return false;
  75                 return true;
  76         }
  77 }