bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/types/TypeHashCodeContext.java

   1 package org.simantics.scl.compiler.internal.types;
   2
   3 import org.simantics.scl.compiler.types.TVar;
   4
   5 import gnu.trove.map.hash.TObjectIntHashMap;
   6
   7 public class TypeHashCodeContext {
   8
   9     public static final int APPLY = 0x12345678;
  10     public static final int FORALL = 0xf2341233;
  11     public static final int UNION = 0x9f8f7f6f;
  12     public static final int FUN = 0xff294313;
  13
  14     int result;
  15     TObjectIntHashMap<TVar> varHashCode;
  16
  17     public void append(int hash) {
  18         result = result*31 + hash;
  19     }
  20
  21     public int getResult() {
  22         return result;
  23     }
  24
  25     public TObjectIntHashMap<TVar> getVarHashCode() {
  26         return varHashCode;
  27     }
  28
  29     public TObjectIntHashMap<TVar> createVarHashCode() {
  30         if(varHashCode == null)
  31             varHashCode = new TObjectIntHashMap<TVar>();
  32         return varHashCode;
  33     }
  34 }