添加项目文件。

ScriptPad/Roslyn/ErrorSeverity.cs

@@ -0,0 +1,23 @@
+namespace ScriptPad.Roslyn
+{
+    /// <summary>
+    /// 错误严重性
+    /// </summary>
+    public enum ErrorSeverity
+    {
+        /// <summary>
+        /// 信息
+        /// </summary>
+        Info,
+
+        /// <summary>
+        /// 警告
+        /// </summary>
+        Warning,
+
+        /// <summary>
+        /// 错误
+        /// </summary>
+        Error
+    }
+}