Changeset 13017 for branches/Robocode.TrunkInt/HeuristicLab.Problems.Robocode/3.3/Symbols/CodeNode.cs

Timestamp:

10/16/15 10:36:09 (9 years ago)

Author:

gkronber

Message:

#2069 refactored grammar, symbols, and interpreter

File:

• branches/Robocode.TrunkInt/HeuristicLab.Problems.Robocode/3.3/Symbols/CodeNode.cs (modified) (1 diff)

branches/Robocode.TrunkInt/HeuristicLab.Problems.Robocode/3.3/Symbols/CodeNode.cs

@@ -27 +27 @@
 namespace HeuristicLab.Problems.GeneticProgramming.Robocode {
   [StorableClass]
-  public abstract class CodeNode : Symbol {
-    public abstract string Prefix { get; set; }
-    public abstract string Suffix { get; set; }
+  // a symbol that can represent any user-defined fragment of code
+  public sealed class CodeSymbol : Symbol {
+    public override int MinimumArity { get { return 1; } }
+    public override int MaximumArity { get { return 10; } }
+
+    public string Prefix { get; set; }
+    public string Suffix { get; set; }
+
+    public override bool CanChangeName { get { return false; } } // cannot change, otherwise we cannot detect these symbols in the interpreter
+    public override bool CanChangeDescription { get { return false; } }
 
     [StorableConstructor]
-    protected CodeNode(bool deserializing) : base(deserializing) { }
-    protected CodeNode(CodeNode original, Cloner cloner)
+    private CodeSymbol(bool deserializing) : base(deserializing) { }
+    private CodeSymbol(CodeSymbol original, Cloner cloner)
       : base(original, cloner) {
       Prefix = original.Prefix;
       Suffix = original.Suffix;
     }
-    protected CodeNode(string name, string description)
-      : base(name, description) {
+    public CodeSymbol()
+      : base("CodeSymbol", "The CodeSymbol symbol can represent any user-defined fragment of code.") {
       Prefix = string.Empty;
       Suffix = string.Empty;
     }
 
-    public abstract string Interpret(ISymbolicExpressionTreeNode node, IEnumerable<ISymbolicExpressionTreeNode> children);
+    public override IDeepCloneable Clone(Cloner cloner) {
+      return new CodeSymbol(this, cloner);
+    }
   }
 }