Changeset 11499 for branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Creators/RampedHalfAndHalfTreeCreator.cs

Timestamp:

10/24/14 18:48:25 (10 years ago)

Author:

bburlacu

Message:

#1772: Merged trunk changes.

Location:

branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding

Files:

• . (modified) (1 prop)
• 3.4/Creators/RampedHalfAndHalfTreeCreator.cs (modified) (6 diffs)

branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Creators/RampedHalfAndHalfTreeCreator.cs

@@ -36 +36 @@
     private const string MaximumSymbolicExpressionTreeLengthParameterName = "MaximumSymbolicExpressionTreeLength";
     private const string MaximumSymbolicExpressionTreeDepthParameterName = "MaximumSymbolicExpressionTreeDepth";
-    private const string SymbolicExpressionTreeGrammarParameterName = "SymbolicExpressionTreeGrammar";
-    private const string ClonedSymbolicExpressionTreeGrammarParameterName = "ClonedSymbolicExpressionTreeGrammar";
 
     #region Parameter Properties
@@ -48 +46 @@
     }
 
-    public IValueLookupParameter<ISymbolicExpressionGrammar> SymbolicExpressionTreeGrammarParameter {
-      get {
-        return (IValueLookupParameter<ISymbolicExpressionGrammar>)Parameters[SymbolicExpressionTreeGrammarParameterName];
-      }
-    }
-
-    public ILookupParameter<ISymbolicExpressionGrammar> ClonedSymbolicExpressionTreeGrammarParameter {
-      get {
-        return (ILookupParameter<ISymbolicExpressionGrammar>)Parameters[ClonedSymbolicExpressionTreeGrammarParameterName];
-      }
-    }
-
     #endregion
     #region Properties
@@ -68 +54 @@
     public IntValue MaximumSymbolicExpressionTreeLength {
       get { return MaximumSymbolicExpressionTreeLengthParameter.ActualValue; }
-    }
-
-    public ISymbolicExpressionGrammar ClonedSymbolicExpressionTreeGrammar {
-      get { return ClonedSymbolicExpressionTreeGrammarParameter.ActualValue; }
     }
     #endregion
@@ -85 +67 @@
       Parameters.Add(new ValueLookupParameter<IntValue>(MaximumSymbolicExpressionTreeDepthParameterName,
         "The maximal depth of the symbolic expression tree (a tree with one node has depth = 0)."));
-      Parameters.Add(new ValueLookupParameter<ISymbolicExpressionGrammar>(SymbolicExpressionTreeGrammarParameterName,
-        "The tree grammar that defines the correct syntax of symbolic expression trees that should be created."));
-      Parameters.Add(new LookupParameter<ISymbolicExpressionGrammar>(ClonedSymbolicExpressionTreeGrammarParameterName,
-        "An immutable clone of the concrete grammar that is actually used to create and manipulate trees."));
     }
 
@@ -95 +73 @@
     }
 
-    public override IOperation InstrumentedApply() {
-      if (ClonedSymbolicExpressionTreeGrammarParameter.ActualValue == null) {
-        SymbolicExpressionTreeGrammarParameter.ActualValue.ReadOnly = true;
-        IScope globalScope = ExecutionContext.Scope;
-        while (globalScope.Parent != null)
-          globalScope = globalScope.Parent;
-
-        globalScope.Variables.Add(new Variable(ClonedSymbolicExpressionTreeGrammarParameterName,
-          (ISymbolicExpressionGrammar)SymbolicExpressionTreeGrammarParameter.ActualValue.Clone()));
-      }
-      return base.InstrumentedApply();
-    }
-
     protected override ISymbolicExpressionTree Create(IRandom random) {
-      return Create(random, ClonedSymbolicExpressionTreeGrammar, MaximumSymbolicExpressionTreeLength.Value, MaximumSymbolicExpressionTreeDepth.Value);
+      return Create(random, ClonedSymbolicExpressionTreeGrammarParameter.ActualValue, MaximumSymbolicExpressionTreeLength.Value, MaximumSymbolicExpressionTreeDepth.Value);
     }
 
@@ -129 +94 @@
       var rootNode = (SymbolicExpressionTreeTopLevelNode)grammar.ProgramRootSymbol.CreateTreeNode();
       if (rootNode.HasLocalParameters) rootNode.ResetLocalParameters(random);
-      rootNode.SetGrammar(new SymbolicExpressionTreeGrammar(grammar));
+      rootNode.SetGrammar(grammar.CreateExpressionTreeGrammar());
 
       var startNode = (SymbolicExpressionTreeTopLevelNode)grammar.StartSymbol.CreateTreeNode();
       if (startNode.HasLocalParameters) startNode.ResetLocalParameters(random);
-      startNode.SetGrammar(new SymbolicExpressionTreeGrammar(grammar));
+      startNode.SetGrammar(grammar.CreateExpressionTreeGrammar());
 
       rootNode.AddSubtree(startNode);