Add judge action fields on_hit and on_miss.

Assets/Cryville/Crtr/RulesetInterpreter.cs

@@ -1,3 +1,4 @@
+using Cryville.Common.Collections.Generic;
 using Cryville.Common.Pdt;
 using System;
 using System.Collections.Generic;
@@ -10,11 +11,29 @@ namespace Cryville.Crtr {
 		readonly List<RulesetSelector> s = new List<RulesetSelector>();
 		readonly HashSet<string> a = new HashSet<string>();
 		protected override object InterpretKey(Type type) {
-			if (type == typeof(Constraint))
+			if (PairCollection<JudgeAction, PdtExpression>.IsPairCollection(type))
+				return InterpretJudgeAction();
+			else if (type == typeof(Constraint))
 				return InterpretConstraintKey();
 			else
 				return base.InterpretKey(type);
 		}
+		object InterpretJudgeAction() {
+			a.Clear();
+			while (true) {
+				int pp = Position;
+				switch (cc) {
+					case '@':
+						GetChar();
+						a.Add(GetIdentifier());
+						break;
+					default:
+						return JudgeAction.Construct(a, (string)base.InterpretKey(null));
+				}
+				ws();
+				if (Position == pp) throw new FormatException("Invalid judge action format.");
+			}
+		}
 		object InterpretConstraintKey() {
 			s.Clear(); a.Clear();
 			string key = "";