plugins/net.mograsim.machine/src/net/mograsim/machine/StandardRegister.java

   1 package net.mograsim.machine;
   2
   3 import java.util.Collections;
   4 import java.util.HashMap;
   5 import java.util.HashSet;
   6 import java.util.Map;
   7 import java.util.Set;
   8
   9 public abstract class StandardRegister implements Register
  10 {
  11         private final String id;
  12         private final Set<String> names;
  13         private final int width;
  14         private final Map<String, Integer> widthForAliases;
  15
  16         public StandardRegister(String id, Set<String> names, int width, Map<String, Integer> widthForAliases)
  17         {
  18                 this.id = id;
  19                 this.names = Collections.unmodifiableSet(new HashSet<>(names));
  20                 this.width = width;
  21                 this.widthForAliases = Collections.unmodifiableMap(new HashMap<>(widthForAliases));
  22         }
  23
  24         @Override
  25         public String id()
  26         {
  27                 return id;
  28         }
  29
  30         @Override
  31         public Set<String> names()
  32         {
  33                 return names;
  34         }
  35
  36         @Override
  37         public int getWidth()
  38         {
  39                 return width;
  40         }
  41
  42         @Override
  43         public int getWidth(String name)
  44         {
  45                 return widthForAliases.getOrDefault(name, width);
  46         }
  47 }