fix

Author: linzhijun

csharp/ToolGood.Algorithm/AlgorithmEngineHelper.cs

@@ -394,6 +394,29 @@ public static FunctionBase ParseFormula(string exp)
             return visitor.Visit(context);
         }
 
+        /// <summary>
+        /// 检查公式是否正确
+        /// </summary>
+        /// <param name="exp"></param>
+        /// <returns></returns>
+        public static bool CheckFormula(string exp)
+        {
+            if (string.IsNullOrWhiteSpace(exp)) { return false; }
+            var stream = new AntlrCharStream(new AntlrInputStream(exp));
+            var lexer = new mathLexer(stream);
+            var tokens = new CommonTokenStream(lexer);
+            var parser = new mathParser(tokens);
+            var antlrErrorListener = new AntlrErrorListener();
+            parser.RemoveErrorListeners();
+            parser.AddErrorListener(antlrErrorListener);
+
+            var context = parser.prog();
+            if (antlrErrorListener.IsError) {
+                return false;
+            }
+            return true;
+        }
+
         /// <summary>
         /// 解析条件
         /// </summary>

csharp/ToolGood.Algorithm/ToolGood.Algorithm.csproj

@@ -19,7 +19,7 @@
     <Product>ToolGood.Algorithm</Product>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <SignAssembly>true</SignAssembly>
-    <Version>5.0.0.9</Version>
+    <Version>5.0.0.10</Version>
     <AssemblyOriginatorKeyFile>ToolGood.Algorithm.snk</AssemblyOriginatorKeyFile>
     <DelaySign>false</DelaySign>
     <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\ToolGood.Algorithm.xml</DocumentationFile>