Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Compilation/SettingsBuildProvider.cs

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+ //------------------------------------------------------------------------------
+// <copyright file="SettingsBuildProvider.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+// Settings files are cut per DevDiv 32258
+#if SETTINGS_FILE_SUPPORT
+
+namespace System.Web.Compilation {
+
+using System;
+using System.Globalization;
+using System.IO;
+using System.Reflection;
+#if !FEATURE_PAL
+using System.Configuration.Design;
+#endif
+using System.Xml;
+using System.CodeDom;
+using System.CodeDom.Compiler;
+using System.Web.Hosting;
+using System.Web.Util;
+using Util=System.Web.UI.Util;
+
+internal class SettingsBuildProvider: BuildProvider {
+
+    public override void GenerateCode(AssemblyBuilder assemblyBuilder)  {
+#if !FEATURE_PAL // FEATURE_PAL does not support System.Configuration.Design
+        CodeCompileUnit codeCompileUnit = new CodeCompileUnit();
+
+        // Process the .settings file and generate a CodeCompileUnit from it
+        using (Stream stream = VirtualPathProvider.OpenFile(VirtualPath)) {
+            using (TextReader reader = new StreamReader(stream)) {
+                SettingsSingleFileGenerator.Generate(
+                    reader, codeCompileUnit, assemblyBuilder.CodeDomProvider, TypeAttributes.Public);
+            }
+        }
+
+        // Add the CodeCompileUnit to the compilation
+        assemblyBuilder.AddCodeCompileUnit(this, codeCompileUnit);
+#else   // !FEATURE_PAL 
+        throw new NotImplementedException("System.Configuration.Design - ROTORTODO");
+#endif  // !FEATURE_PAL 
+    }
+}
+
+}
+
+#endif