添加项目文件。

TightWiki.Engine.Function/OrdinalParameter.cs

@@ -0,0 +1,28 @@
+namespace TightWiki.Engine.Function
+{
+    public class OrdinalParameter
+    {
+        public string Value { get; set; }
+
+        /// <summary>
+        /// Has been matched to a prototype parameter?
+        /// </summary>
+        public bool IsMatched { get; set; } = false;
+
+        /// <summary>
+        /// If matched to a prototype parameter, this is the name of the parameter.
+        /// </summary>
+        public string ParameterName { get; set; } = string.Empty;
+
+        public OrdinalParameter(string value)
+        {
+            Value = value;
+        }
+
+        public void AssociateWithPrototypeParam(string paramName)
+        {
+            IsMatched = true;
+            ParameterName = paramName;
+        }
+    }
+}