Rename 'const' to 'firstArgs' in the lua-files

AspectedRouting/IO/lua/const.lua

@@ -1,3 +0,0 @@
-function const(a, b)
-    return a
-end

AspectedRouting/IO/lua/firstArg.lua

@@ -0,0 +1,4 @@
+function firstArg(a, b)
+    -- it turns out that 'const' is a reserved token in some lua implementations
+    return a
+end

AspectedRouting/Language/Functions/Const.cs

@@ -12,16 +12,17 @@ namespace AspectedRouting.Language.Functions
 
         public override List<string> ArgNames { get; } = new List<string>{"a","b"};
 
-        public Const() : base("const", true,
+        public Const() : base("firstArg", true,
             new[]
             {
                 Curry.ConstructFrom(new Var("a"), new Var("a"), new Var("b"))
             }
         )
         {
+            Funcs.AddBuiltin(this,"const");
         }
 
-        private Const(IEnumerable<Type> types) : base("const", types
+        private Const(IEnumerable<Type> types) : base("firstArg", types
         )
         {
         }

AspectedRouting/Program.cs

@@ -296,7 +296,7 @@ namespace AspectedRouting
             }
 
             File.WriteAllText($"{outputDir}/ProfileMetadata.json",
-                Utils.GenerateExplanationJson(profiles.Select(p => p.profile))
+                Utils.GenerateExplanationJson(profiles.Select(p => p.profile), context)
             );
 
             if (!args.Contains("--no-repl"))

AspectedRouting/Utils.cs

@@ -26,8 +26,7 @@ namespace AspectedRouting
         public static int Multiply(this IEnumerable<int> ints)
         {
             var factor = 1;
-            foreach (var i in ints)
+            foreach (var i in ints) {
-            {
                 factor += i;
             }
 
@@ -36,7 +35,7 @@ namespace AspectedRouting
 
         public static T[] SubArray<T>(this T[] data, int index, int length)
         {
-            T[] result = new T[length];
+            var result = new T[length];
             Array.Copy(data, index, result, 0, length);
             return result;
         }
@@ -50,25 +49,27 @@ namespace AspectedRouting
         ///     Generates a JSON file where all the profiles are listed, together with descriptions and other metadata.
         ///     Useful for other apps, e.g. the routing api to have
         /// </summary>
+        /// <param name="profiles"></param>
+        /// <param name="context"></param>
         /// <param name="select"></param>
         /// <returns></returns>
-        public static string GenerateExplanationJson(IEnumerable<ProfileMetaData> profiles)
+        public static string GenerateExplanationJson(IEnumerable<ProfileMetaData> profiles, Context context)
         {
             var metaItems = new List<string>();
 
-            foreach (var profile in profiles)
+            foreach (var profile in profiles) {
-            {
                 var profileName = profile.Name;
                 var author = profile.Author;
                 var profileDescription = profile.Description;
 
 
-                foreach (var behaviour in profile.Behaviours)
+                foreach (var behaviour in profile.Behaviours) {
-                {
                     var behaviourDescription = behaviour.Value["description"].Evaluate(new Context()) as string;
                     behaviourDescription ??= "";
-                    var meta = new Dictionary<string, string>
+                    var keys = string.Join(", ",
-                    {
+                        profile.AllExpressions(context).PossibleTags().Select(tag => $"\"{tag.Key}\"")
+                    );
+                    var meta = new Dictionary<string, string> {
                         {"name", behaviour.Key},
                         {"type", profileName},
                         {"author", author},
@@ -77,11 +78,11 @@ namespace AspectedRouting
 
                     var json = string.Join(",", meta.Select(d =>
                         $"\"{d.Key}\": \"{d.Value}\""));
-                    metaItems.Add("{" + json + "}\n");
+                    metaItems.Add("{" + json + ", \"usedKeys\": [" + keys + "] }\n");
                 }
             }
 
-            return "[" + string.Join(",", metaItems) + "]";
+            return "[" + string.Join(",\n", metaItems) + "]";
         }
     }
 }