Add ability to compile code from stdin

Compilers.sln

@@ -1,6 +1,6 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.27102.0
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29519.87
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.CodeAnalysis.UnitTests", "src\Compilers\Core\CodeAnalysisTest\Microsoft.CodeAnalysis.UnitTests.csproj", "{A4C99B85-765C-4C65-9C2A-BB609AAB09E6}"
 EndProject
@@ -160,6 +160,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BuildBoss", "src\Tools\Buil
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Net.Compilers.Toolset.Package", "src\NuGet\Microsoft.Net.Compilers.Toolset\Microsoft.Net.Compilers.Toolset.Package.csproj", "{6D407402-CC4A-4125-9B00-C70562A636A5}"
 EndProject
+Project("{778DAE3C-4631-46EA-AA77-85C1314464D9}") = "vbi", "src\Interactive\vbi\vbi.vbproj", "{706CFC25-B6E0-4DAA-BCC4-F6FAAFEEDF87}"
+EndProject
 Global
 	GlobalSection(SharedMSBuildProjectFiles) = preSolution
 		src\Compilers\Core\AnalyzerDriver\AnalyzerDriver.projitems*{1ee8cad3-55f9-4d91-96b2-084641da9a6c}*SharedItemsImports = 4
@@ -435,6 +437,10 @@ Global
 		{6D407402-CC4A-4125-9B00-C70562A636A5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6D407402-CC4A-4125-9B00-C70562A636A5}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{6D407402-CC4A-4125-9B00-C70562A636A5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{706CFC25-B6E0-4DAA-BCC4-F6FAAFEEDF87}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{706CFC25-B6E0-4DAA-BCC4-F6FAAFEEDF87}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{706CFC25-B6E0-4DAA-BCC4-F6FAAFEEDF87}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{706CFC25-B6E0-4DAA-BCC4-F6FAAFEEDF87}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -508,6 +514,7 @@ Global
 		{B446E771-AB52-41C9-ACFC-FDF8EACAF291} = {FD0FAF5F-1DED-485C-99FA-84B97F3A8EEC}
 		{8A02AFAF-F622-4E3E-9E1A-8CFDACC7C7E1} = {FD0FAF5F-1DED-485C-99FA-84B97F3A8EEC}
 		{6D407402-CC4A-4125-9B00-C70562A636A5} = {274B96B7-F815-47E3-9CA4-4024A57A478F}
+		{706CFC25-B6E0-4DAA-BCC4-F6FAAFEEDF87} = {3FF38FD4-DF16-44B0-924F-0D5AE155495B}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {6F599E08-A9EA-4FAA-897F-5D824B0210E6}

src/Compilers/CSharp/Portable/CSharpResources.resx

@@ -5081,6 +5081,9 @@ To remove the warning, you can use /reference instead (set the Embed Interop Typ
   <data name="ERR_SwitchCaseSubsumed" xml:space="preserve">
     <value>The switch case has already been handled by a previous case.</value>
   </data>
+  <data name="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected" xml:space="preserve">
+    <value>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</value>
+  </data>
   <data name="ERR_SwitchArmSubsumed" xml:space="preserve">
     <value>The pattern has already been handled by a previous arm of the switch expression.</value>
   </data>
@@ -5990,4 +5993,4 @@ To remove the warning, you can use /reference instead (set the Embed Interop Typ
   <data name="ERR_ImplicitRangeIndexerWithName" xml:space="preserve">
     <value>Invocation of implicit Range Indexer cannot name the argument.</value>
   </data>
-</root>
+</root>

src/Compilers/CSharp/Portable/CommandLine/CSharpCommandLineParser.cs

@@ -224,6 +224,19 @@ public new CSharpCommandLineArguments Parse(IEnumerable<string> args, string bas
                     {
                         case "-": // csi -- script.csx
                             if (value != null) break;
+                            if (arg == "-")
+                            {
+                                if (Console.IsInputRedirected)
+                                {
+                                    sourceFiles.Add(new CommandLineSourceFile("-", isScript: true, isInputRedirected: true));
+                                    sourceFilesSpecified = true;
+                                }
+                                else
+                                {
+                                    AddDiagnostic(diagnostics, ErrorCode.ERR_StdInOptionProvidedButConsoleInputIsNotRedirected);
+                                }
+                                continue;
+                            }
 
                             // Indicates that the remaining arguments should not be treated as options.
                             optionsEnded = true;
@@ -1260,6 +1273,18 @@ public new CSharpCommandLineArguments Parse(IEnumerable<string> args, string bas
                                 embeddedFiles.Add(ToCommandLineSourceFile(path));
                             }
                             continue;
+
+                        case "-":
+                            if (Console.IsInputRedirected)
+                            {
+                                sourceFiles.Add(new CommandLineSourceFile("-", isScript: false, isInputRedirected: true));
+                                sourceFilesSpecified = true;
+                            }
+                            else
+                            {
+                                AddDiagnostic(diagnostics, ErrorCode.ERR_StdInOptionProvidedButConsoleInputIsNotRedirected);
+                            }
+                            continue;
                     }
                 }
 

src/Compilers/CSharp/Portable/CommandLine/CSharpCompiler.cs

@@ -109,7 +109,7 @@ protected CSharpCompiler(CSharpCommandLineParser parser, string responseFile, st
             {
                 var normalizedFilePath = normalizedFilePaths[i];
                 Debug.Assert(normalizedFilePath != null);
-                Debug.Assert(PathUtilities.IsAbsolute(normalizedFilePath));
+                Debug.Assert(sourceFiles[i].IsInputRedirected || PathUtilities.IsAbsolute(normalizedFilePath));
 
                 if (!uniqueFilePaths.Add(normalizedFilePath))
                 {

src/Compilers/CSharp/Portable/Errors/ErrorCode.cs

@@ -1756,6 +1756,8 @@ internal enum ErrorCode
 
         WRN_DoesNotReturnMismatch = 8770,
 
+        ERR_StdInOptionProvidedButConsoleInputIsNotRedirected = 8782,
+
         // Note: you will need to re-generate compiler code after adding warnings (eng\generate-compiler-code.cmd)
     }
 }

src/Compilers/CSharp/Portable/xlf/CSharpResources.cs.xlf

@@ -432,6 +432,11 @@
         <target state="translated">Statický člen {0} se nedá označit modifikátorem readonly.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">Tento vzor už zpracovala předchozí větev výrazu switch.</target>
@@ -9845,4 +9850,4 @@ Pokud chcete odstranit toto varování, můžete místo toho použít /reference
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.de.xlf

@@ -432,6 +432,11 @@
         <target state="translated">Der statische Member "{0}" kann nicht als "readonly" markiert werden.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">Das Muster wurde bereits durch einen vorherigen Zweig des switch-Ausdrucks verarbeitet.</target>
@@ -9845,4 +9850,4 @@ Um die Warnung zu beheben, können Sie stattdessen /reference verwenden (Einbett
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.es.xlf

@@ -432,6 +432,11 @@
         <target state="translated">El miembro estático "{0}" no se puede marcar como "readonly".</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">El patrón ya se ha controlado con una parte anterior de la expresión switch.</target>
@@ -9845,4 +9850,4 @@ Para eliminar la advertencia puede usar /reference (establezca la propiedad Embe
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.fr.xlf

@@ -432,6 +432,11 @@
         <target state="translated">Le membre statique '{0}' ne peut pas être marqué 'readonly'.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">Le modèle a déjà été traité par un bras précédent de l'expression switch.</target>
@@ -9845,4 +9850,4 @@ Pour supprimer l'avertissement, vous pouvez utiliser la commande /reference (dé
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.it.xlf

@@ -432,6 +432,11 @@
         <target state="translated">Il membro statico '{0}' non può essere contrassegnato come 'readonly'.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">Il criterio è già stato gestito da un elemento precedente dell'espressione switch.</target>
@@ -9845,4 +9850,4 @@ Per rimuovere l'avviso, è invece possibile usare /reference (impostare la propr
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.ja.xlf

@@ -432,6 +432,11 @@
         <target state="translated">静的メンバー '{0}' を 'readonly' とマークすることはできません。</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">このパターンは、switch 式の前の arm で既に処理されています。</target>
@@ -9845,4 +9850,4 @@ To remove the warning, you can use /reference instead (set the Embed Interop Typ
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.ko.xlf

@@ -432,6 +432,11 @@
         <target state="translated">정적 멤버 '{0}'을(를) 'readonly'로 표시할 수 없습니다.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">패턴이 switch 식의 이전 arm에 의해 이미 처리되었습니다.</target>
@@ -9845,4 +9850,4 @@ To remove the warning, you can use /reference instead (set the Embed Interop Typ
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.pl.xlf

@@ -432,6 +432,11 @@
         <target state="translated">Składowa statyczna „{0}” nie może być oznaczona jako „readonly”.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">Wzorzec został już obsłużony przez poprzednie rozgałęzienie wyrażenia switch.</target>
@@ -9845,4 +9850,4 @@ Aby usunąć ostrzeżenie, możesz zamiast tego użyć opcji /reference (ustaw w
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.pt-BR.xlf

@@ -432,6 +432,11 @@
         <target state="translated">O membro estático '{0}' não pode ser marcado como 'readonly'.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">O padrão já foi manipulado por um braço anterior da expressão switch.</target>
@@ -9843,4 +9848,4 @@ Para incorporar informações de tipo de interoperabilidade para os dois assembl
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.ru.xlf

@@ -432,6 +432,11 @@
         <target state="translated">Статический член "{0}" не может быть помечен как readonly.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">Шаблон уже был обработан предыдущей стороной выражения switch.</target>
@@ -9845,4 +9850,4 @@ To remove the warning, you can use /reference instead (set the Embed Interop Typ
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.tr.xlf

@@ -432,6 +432,11 @@
         <target state="translated">'{0}' statik üyesi 'readonly' olarak işaretlenemez.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">Desen zaten switch deyiminin önceki bir kolu tarafından işlendi.</target>
@@ -9845,4 +9850,4 @@ Uyarıyı kaldırmak için, /reference kullanabilirsiniz (Birlikte Çalışma T
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>

src/Compilers/CSharp/Portable/xlf/CSharpResources.zh-Hans.xlf

@@ -432,6 +432,11 @@
         <target state="translated">静态成员 "{0}" 不能标记为 "readonly"。</target>
         <note />
       </trans-unit>
+      <trans-unit id="ERR_StdInOptionProvidedButConsoleInputIsNotRedirected">
+        <source>stdin argument '-' is specified, but input has not been redirected from the standard input stream.</source>
+        <target state="new">stdin argument '-' is specified, but input has not been redirected from the standard input stream.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ERR_SwitchArmSubsumed">
         <source>The pattern has already been handled by a previous arm of the switch expression.</source>
         <target state="translated">该模式已由 switch 表达式的前一个 arm 处理。</target>
@@ -9845,4 +9850,4 @@ To remove the warning, you can use /reference instead (set the Embed Interop Typ
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>