fixed the bug the external reference definiton file cannot be loaded

Author: kerryjiang

build/Common.props

@@ -1,6 +1,6 @@
 <Project>
     <PropertyGroup>
-        <Version>0.2.0</Version>
+        <Version>0.2.2</Version>
         <Company>SciSharp</Company>
         <Product>SciSharp.ICSharpCore</Product>
         <Authors>Kerry Jiang, Haiping Chen</Authors>

kernel-spec/kernel-docker.json

@@ -1,5 +1,5 @@
 {
-    "argv": ["icsharp-kernel", "{connection_file}"],
+    "argv": ["icsharp-kernel", "{connection_file}", "/scisharp/refs.txt"],
     "display_name": "SciSharp Cube",
     "language": "csharp"
-}
+}

src/ICSharpCore/Program.cs

@@ -1,4 +1,5 @@
-using Microsoft.Extensions.DependencyInjection;
+using ICSharpCore.Script;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Console;
 using Newtonsoft.Json;
@@ -33,6 +34,11 @@ public static void Main(string[] args)
             var connInfo = JsonConvert.DeserializeObject<ConnInfo>(json);
             Console.WriteLine(JsonConvert.SerializeObject(connInfo));
 
+            if (args.Length > 1)
+            {
+                InteractiveScriptEngine.RefsFilePath = args[1];
+            }
+
             // Handling messages
 
             // After reading the connection file and binding to the necessary sockets, 

src/ICSharpCore/Script/InteractiveScriptEngine.cs

@@ -39,16 +39,18 @@ public class InteractiveScriptEngine
 
         private string[] _references;
 
+        public static string RefsFilePath { get; set; }
+
         public InteractiveScriptEngine(string currentDir, ILogger logger)
         {
             _currentDirectory = currentDir;
             _logger = logger;
 
             _scriptOptions = CreateScriptOptions();
 
-            var referencesFile = Path.Combine(Directory.GetCurrentDirectory(), "refs.txt");
+            var referencesFile = RefsFilePath;
 
-            if (File.Exists(referencesFile))
+            if (!string.IsNullOrEmpty(referencesFile) && File.Exists(referencesFile))
             {
                 _references = File.ReadAllLines(referencesFile, Encoding.UTF8);
             }
@@ -94,12 +96,19 @@ public async Task<object> ExecuteAsync(string statement)
                     "using static ICSharpCore.Primitives.DisplayDataEmitter;"
                 };
 
-                var refsFromFile = string.Empty;
 
                 var references = _references;
 
                 if (references != null && references.Any())
                 {
+                    foreach (var line in references)
+                    {
+                        if (line.StartsWith("#r ") || line.StartsWith("#load "))
+                        {
+                            TryLoadReferenceFromScript(line);
+                        }
+                    }
+
                     usingStatements = references.Union(usingStatements).ToArray();
                 }