为Script提供了SereinScript.ExecuteAsync执行脚本文本内容的静态方法。

Serein.Script/ScriptInvokeContext.cs

@@ -4,10 +4,21 @@ namespace Serein.Script
 {
     public class ScriptInvokeContext : IScriptInvokeContext
     {
+        /// <summary>
+        /// 脚本使用流程上下文
+        /// </summary>
+        /// <param name="dynamicContext"></param>
         public ScriptInvokeContext(IDynamicContext dynamicContext)
         {
             FlowContext = dynamicContext;
         }
+        
+        /// <summary>
+        /// 不使用流程上下文
+        /// </summary>
+        public ScriptInvokeContext()
+        {
+        }
 
         public IDynamicContext FlowContext{ get; }
 

Serein.Script/SereinScript.cs

@@ -1,4 +1,5 @@
 using Serein.Library;
+using Serein.Library.Api;
 using Serein.Script.Node;
 using Serein.Script.Node.FlowControl;
 using System;
@@ -15,6 +16,9 @@ namespace Serein.Script
 
     public class SereinScript
     {
+
+      
+
         /// <summary>
         /// 类型分析
         /// </summary>
@@ -24,6 +28,21 @@ namespace Serein.Script
 
         private ProgramNode? programNode;
 
+
+        public static Task<object?> ExecuteAsync(string script, Dictionary<string, Type>? argTypes = null)
+        {
+            SereinScriptParser parser = new SereinScriptParser();
+            SereinScriptTypeAnalysis analysis = new SereinScriptTypeAnalysis();
+            var programNode = parser.Parse(script);
+            analysis.NodeSymbolInfos.Clear(); // 清空符号表
+            if (argTypes is not null) analysis.LoadSymbol(argTypes); // 提前加载脚本节点定义的符号
+            analysis.Analysis(programNode); // 分析节点类型
+            SereinScriptInterpreter Interpreter = new SereinScriptInterpreter(analysis.NodeSymbolInfos);
+            IScriptInvokeContext context = new ScriptInvokeContext();
+            var task =  Interpreter.InterpreterAsync(context, programNode);
+            return task; // 脚本返回类型
+        }
+
         /// <summary>
         /// 解析脚本
         /// </summary>

Serein.Script/SereinScriptInterpreter.cs

@@ -295,7 +295,7 @@ namespace Serein.Script
                     async Task<object?> InterpreterFunctionCallNodeAsync(IScriptInvokeContext context, FunctionCallNode functionCallNode)
                     {
                         // 获取流程上下文
-                        if (functionCallNode.FunctionName.Equals("getFlowApi", StringComparison.OrdinalIgnoreCase))
+                        if (context.FlowContext != null && functionCallNode.FunctionName.Equals("getFlowApi", StringComparison.OrdinalIgnoreCase))
                         {
                             return context.FlowContext;
                         }