namespace已经可以使用

RScriptContext.cs

@@ -57,6 +57,11 @@ namespace Convention.RScript
         public string content;
         public List<string> info;
         public Mode mode;
+
+        public override string ToString()
+        {
+            return $"{mode.ToString()}/: {content}";
+        }
     }
 
     public interface IRSentenceMatcher
@@ -69,9 +74,9 @@ namespace Convention.RScript
         public readonly RScriptImportClass Import;
         public readonly RScriptVariables Variables;
         private readonly RScriptSentence[] Sentences;
-        private readonly Dictionary<string, int> Labels;
-        private readonly Dictionary<int, int> NamespaceLayer;
-        private readonly Dictionary<string, int> NamespaceLabels;
+        private readonly Dictionary<string, int> Labels = new();
+        private readonly Dictionary<int, int> NamespaceLayer = new();
+        private readonly Dictionary<string, int> NamespaceLabels = new();
 
         public List<IRSentenceMatcher> SentenceParser = new()
         {
@@ -96,25 +101,47 @@ namespace Convention.RScript
             return result;
         }
 
-        private void BuildUpLabelsAndNamespace(ref Dictionary<string, int> labelIndicator, ref Dictionary<int, int> namespaceIndicator)
+        private void BuildUpLabelsAndNamespace()
         {
             Stack<int> namespaceLayers = new();
+            string namespaceName = "";
             for (int i = 0, e = Sentences.Length; i != e; i++)
             {
-                if (Sentences[i].mode == RScriptSentence.Mode.Label)
+                var sentence = Sentences[i];
+                if (string.IsNullOrEmpty(namespaceName))
                 {
-                    labelIndicator[Sentences[i].content] = i;
+                    if (sentence.mode == RScriptSentence.Mode.Label)
+                    {
+                        this.Labels[Sentences[i].content] = i;
                     }
-                else if (Sentences[i].mode == RScriptSentence.Mode.EnterNamespace)
+                    else if (sentence.mode == RScriptSentence.Mode.EnterNamespace)
                     {
                         namespaceLayers.Push(i);
                     }
-                else if (Sentences[i].mode == RScriptSentence.Mode.ExitNamespace)
+                    else if (sentence.mode == RScriptSentence.Mode.ExitNamespace)
                     {
                         if (namespaceLayers.Count == 0)
                             throw new RScriptRuntimeException("Namespace exit without enter.", i);
                         var enterPointer = namespaceLayers.Pop();
-                    namespaceIndicator[enterPointer] = i;
+                        this.NamespaceLayer[enterPointer] = i;
+                    }
+                    else if (sentence.mode == RScriptSentence.Mode.NamedSpace)
+                    {
+                        namespaceName = sentence.content;
+                    }
+                }
+                else
+                {
+                    if (sentence.mode == RScriptSentence.Mode.EnterNamespace)
+                    {
+                        namespaceLayers.Push(i);
+                        this.NamespaceLabels[namespaceName] = i;
+                        namespaceName = "";
+                    }
+                    else
+                    {
+                        throw new RScriptRuntimeException($"Namespace is invalid", i);
+                    }
                 }
             }
             if (namespaceLayers.Count > 0)
@@ -128,10 +155,7 @@ namespace Convention.RScript
             this.Import = import ?? new();
             this.Variables = variables ?? new();
             this.Sentences = (from item in expressions select ParseToSentence(item)).ToArray();
-            this.Labels = new();
-            this.NamespaceLayer = new();
-            this.NamespaceLabels = new();
-            BuildUpLabelsAndNamespace(ref this.Labels, ref this.NamespaceLayer);
+            BuildUpLabelsAndNamespace();
         }
 
 
@@ -256,6 +280,24 @@ namespace Convention.RScript
                     GotoPointerStack.Push(CurrentRuntimePointer);
                     DoJumpRuntimePointer(parser, labelPointer);
                 }
+                else if (NamespaceLabels.TryGetValue(sentence.content, out labelPointer))
+                {
+                    int current = CurrentRuntimePointer;
+                    DoEnterNamespace(parser);
+                    CurrentRuntimePointer = labelPointer;
+                    for (int e = NamespaceLayer[NamespaceLabels[sentence.content]]; ;)
+                    {
+                        RunNextStep(parser);
+                        if (CurrentRuntimePointer >= Sentences.Length)
+                            break ;
+                        else if (CurrentRuntimePointer == e)
+                            break;
+                        else
+                            CurrentRuntimePointer++;
+                    }
+                    DoExitNamespace(parser);
+                    CurrentRuntimePointer = current;
+                }
                 else
                 {
                     throw new RScriptRuntimeException($"Label '{sentence.content}' not found.", CurrentRuntimePointer);
@@ -279,7 +321,7 @@ namespace Convention.RScript
                 }
                 else
                 {
-                    throw new NotImplementedException($"No namespace to break.");
+                    throw new RScriptRuntimeException($"No namespace to break.", CurrentRuntimePointer);
                 }
             }
         }
@@ -291,7 +333,7 @@ namespace Convention.RScript
             {
                 if (GotoPointerStack.Count == 0)
                 {
-                    throw new NotImplementedException($"No position to back.");
+                    throw new RScriptRuntimeException($"No position to back.", CurrentRuntimePointer);
                 }
                 else
                 {
@@ -300,6 +342,11 @@ namespace Convention.RScript
             }
         }
 
+        private void DoEnterNamedSpace(RScriptSentence sentence)
+        {
+            CurrentRuntimePointer = NamespaceLayer[NamespaceLabels[sentence.content]];
+        }
+
         private object RunNextStep(ExpressionParser parser)
         {
             var sentence = CurrentSentence;
@@ -337,6 +384,11 @@ namespace Convention.RScript
                         DoBackpoint(parser, sentence);
                     }
                     break;
+                case RScriptSentence.Mode.NamedSpace:
+                    {
+                        DoEnterNamedSpace(sentence);
+                    }
+                    break;
                 default:
                     // Do nothing
                     break;