Introducing netstandard13aot target group in System.IO

dir.props

@@ -211,6 +211,7 @@
     <OSGroup Condition="'$(OSGroup)'==''">AnyOS</OSGroup>
 
     <TargetGroup Condition="'$(TargetGroup)'=='' and $(Configuration.Contains('netcore50aot'))">netcore50aot</TargetGroup>
+    <TargetGroup Condition="'$(TargetGroup)'=='' and $(Configuration.Contains('netstandard13aot'))">netstandard13aot</TargetGroup>
     <TargetGroup Condition="'$(TargetGroup)'=='' and $(Configuration.Contains('netcore50'))">netcore50</TargetGroup>
     <TargetGroup Condition="'$(TargetGroup)'=='' and $(Configuration.Contains('dnxcore50'))">dnxcore50</TargetGroup>
     <TargetGroup Condition="'$(TargetGroup)'=='' and $(Configuration.Contains('net462'))">net462</TargetGroup>
@@ -309,6 +310,13 @@
         <NuGetTargetMoniker>.NETCore,Version=v5.0</NuGetTargetMoniker>
       </PropertyGroup>
     </When>
+    <When Condition="'$(TargetGroup)'=='netstandard13aot'">
+      <PropertyGroup>
+        <PackageTargetFramework>netstandard1.3</PackageTargetFramework>
+        <PackageTargetRuntime>aot</PackageTargetRuntime>
+        <NuGetTargetMoniker>.NETStandard,Version=v1.3</NuGetTargetMoniker>
+      </PropertyGroup>
+    </When>    
     <When Condition="'$(TargetGroup)'=='dnxcore50'">
       <PropertyGroup>
         <PackageTargetFramework>dnxcore50</PackageTargetFramework>

src/Common/src/System/SR.CoreRT.cs

@@ -0,0 +1,55 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.CompilerServices;
+
+namespace System
+{
+    // This is a placeholder for resources access implementation for corert. 
+    // At some point we’ll have the real implementation which expect to be shared between 
+    // System.IO, System.Runtime.Extensions and System.Resources.ResourceManager.   
+
+    internal static partial class SR
+    {
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static string GetResourceString(string resourceKey)
+        {
+            return resourceKey;
+        }
+
+        internal static string GetResourceString(string resourceKey, string defaultString)
+        {
+            return defaultString != null ? defaultString : resourceKey;
+        }
+
+        internal static string Format(string resourceFormat, params object[] args)
+        {
+            if (args != null)
+            {
+                return string.Format(resourceFormat, args);
+            }
+
+            return resourceFormat;
+        }
+
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static string Format(string resourceFormat, object p1)
+        {
+            return string.Format(resourceFormat, p1);
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static string Format(string resourceFormat, object p1, object p2)
+        {
+            return string.Format(resourceFormat, p1, p2);
+        }
+
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        internal static string Format(string resourceFormat, object p1, object p2, object p3)
+        {
+            return string.Format(resourceFormat, p1, p2, p3);
+        }
+    }
+}

src/System.IO/pkg/aot/System.IO.pkgproj

@@ -11,6 +11,9 @@
     <ProjectReference Include="..\..\src\System.IO.csproj">
       <TargetGroup>netcore50aot</TargetGroup>
     </ProjectReference>
+    <ProjectReference Include="..\..\src\System.IO.csproj">
+      <TargetGroup>netstandard13aot</TargetGroup>
+    </ProjectReference>
   </ItemGroup>
 
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />

src/System.IO/src/System.IO.builds

@@ -9,6 +9,9 @@
     <Project Include="System.IO.csproj">
       <TargetGroup>netcore50aot</TargetGroup>
     </Project>
+    <Project Include="System.IO.csproj">
+      <TargetGroup>netstandard13aot</TargetGroup>
+    </Project>
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.traversal.targets))\dir.traversal.targets" />
 </Project>

src/System.IO/src/System.IO.csproj

@@ -16,12 +16,14 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'net46_Release|AnyCPU'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'netcore50aot_Debug|AnyCPU'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'netcore50aot_Release|AnyCPU'" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'netstandard13aot_Debug|AnyCPU'" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'netstandard13aot_Release|AnyCPU'" />
 
   <PropertyGroup Condition="'$(TargetGroup)' == 'net46'">
     <ResourcesSourceOutputDirectory>None</ResourcesSourceOutputDirectory>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(TargetGroup)' == 'netcore50aot'">
+  <PropertyGroup Condition="'$(TargetGroup)' == 'netcore50aot'  or '$(TargetGroup)' == 'netstandard13aot'">
     <SkipCommonResourcesIncludes>true</SkipCommonResourcesIncludes>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <ExcludeAssemblyInfoPartialFile>true</ExcludeAssemblyInfoPartialFile>
@@ -41,7 +43,7 @@
     <Compile Include="System\IO\InvalidDataException.cs" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetGroup)' == 'netcore50aot'">
+  <ItemGroup Condition="'$(TargetGroup)' == 'netcore50aot' or '$(TargetGroup)' == 'netstandard13aot'">
     <Compile Include="System\IO\BinaryReader.cs" />
     <Compile Include="System\IO\BinaryWriter.cs" />
     <Compile Include="System\IO\EndOfStreamException.cs" />
@@ -61,9 +63,12 @@
     <Compile Include="$(CommonPath)\System\IO\StringBuilderCache.cs">
       <Link>Common\System\IO\StringBuilderCache.cs</Link>
     </Compile>
-    <Compile Include="$(CommonPath)\System\SR.Core.cs">
+    <Compile Include="$(Commonpath)\System\SR.Core.cs" Condition="'$(TargetGroup)' == 'netcore50aot'">
       <Link>Common\System\SR.Core.cs</Link>
     </Compile>
+    <Compile Include="$(Commonpath)\System\SR.CoreRT.cs" Condition="'$(TargetGroup)' == 'netstandard13aot'"> 
+      <Link>Common\System\SR.CoreRT.cs</Link>
+    </Compile>
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetGroup)' == 'netcore50aot'">
@@ -79,6 +84,11 @@
   <ItemGroup>
     <None Include="project.json" />
   </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetGroup)' == 'netstandard13aot'">
+    <TargetingPackReference Include="System.Private.Interop" />
+    <ValidateIgnoreReference Include="@(TargetingPackReference)" />
+  </ItemGroup>
 
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
 </Project>

src/System.IO/src/project.json

@@ -24,6 +24,21 @@
       "dependencies": {
         "Microsoft.TargetingPack.NETFramework.v4.6": "1.0.1"
       }
-    }
+    },
+    "netstandard1.3": {
+        "imports": [ "netcore50" ],
+        "dependencies": {
+            "Microsoft.NETCore.Platforms": "1.0.1-rc3-23901",
+            "Microsoft.TargetingPack.Private.NETNative": "1.0.0-rc3-23901",
+            "System.Diagnostics.Contracts": "4.0.0",
+            "System.Diagnostics.Debug": "4.0.10",
+            "System.Diagnostics.Tools": "4.0.0",
+            "System.Globalization": "4.0.0",
+            "System.Runtime.Extensions": "4.0.10",
+            "System.Text.Encoding.Extensions": "4.0.0",
+            "System.Threading": "4.0.0",
+            "System.Threading.Tasks": "4.0.10"
+        }
+    }    
   }
 }