bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/contexts/ReplaceContext.java

   1 package org.simantics.scl.compiler.elaboration.contexts;
   2
   3 import org.simantics.scl.compiler.elaboration.expressions.EVariable;
   4 import org.simantics.scl.compiler.elaboration.expressions.Expression;
   5 import org.simantics.scl.compiler.elaboration.expressions.Variable;
   6 import org.simantics.scl.compiler.types.TVar;
   7 import org.simantics.scl.compiler.types.Type;
   8
   9 import gnu.trove.map.hash.THashMap;
  10
  11 public class ReplaceContext {
  12     public final THashMap<TVar, Type> EMPTY_VARIABLE_MAP = new THashMap<TVar, Type>();
  13
  14     public THashMap<TVar, Type> tvarMap;
  15     public THashMap<Variable, Expression> varMap;
  16     public final TypingContext typingContext;
  17     public boolean inPattern;
  18
  19     public ReplaceContext(THashMap<TVar, Type> tvarMap,
  20             THashMap<Variable, Expression> varMap,
  21             TypingContext typingContext) {
  22         this.tvarMap = tvarMap;
  23         this.varMap = varMap;
  24         this.typingContext = typingContext;
  25         this.inPattern = false;
  26     }
  27
  28     public ReplaceContext(Variable[] from, Variable[] to) {
  29         this.tvarMap = EMPTY_VARIABLE_MAP;
  30         this.typingContext = null;
  31         this.inPattern = false;
  32         varMap = new THashMap<Variable, Expression>(from.length);
  33         for(int i=0;i<from.length;++i)
  34             varMap.put(from[i], new EVariable(to[i]));
  35     }
  36
  37     public ReplaceContext(TypingContext typingContext) {
  38         this(new THashMap<TVar, Type>(), new THashMap<Variable, Expression>(), typingContext);
  39     }
  40 }