Merge remote-tracking branch 'dotnet/features/ioperation' into unify-…

…throw-statement-expression

* dotnet/features/ioperation: (41 commits)
  Update CSharpReplaceMethodWithPropertyService.cs
  Add VB side of fix.
  Remove unneeded function.
  Improve trivia preservation when converting methods into a property.
  VB side of do-not-simplify-nameof if it changes semantics.
  Do not simplify to an alias in a nameof if it changes the value of hte nameof.
  Include System.Runtime.Serialization.Primitives and System.Security.Cryptography.Csp in PortableFacades CoreXT package. (dotnet#21438)
  Address one more refactoring feedback
  Address PR feedback
  Fix possible race conditions in TestExtensionErrorHandler
  Fix expected test results to properly consider trivia
  Improve messages when tests fail due to expected text
  Default to considering trivia during testing
  Remove RemoveUnneededReferences from LamdaRewriter (dotnet#21367)
  Enable embedding sources to Windows PDBs (dotnet#21391)
  re-enabled assert we have disabled
  Do not insert Microsoft.DiaSymReader.Native (dotnet#21420)
  Recommend 'case' keyword after a pattern-case-clause.
  Fix NamedArgumentInParameterOrderWithDefaultValue test for new IOperation output.
  Resolving merge conflict
  ...

build/Targets/Packages.props

@@ -34,10 +34,10 @@
     <MicrosoftCSharpVersion>4.3.0</MicrosoftCSharpVersion>
     <MicrosoftDiagnosticsRuntimeVersion>0.8.31-beta</MicrosoftDiagnosticsRuntimeVersion>
     <MicrosoftDiagnosticsTracingTraceEventVersion>1.0.35</MicrosoftDiagnosticsTracingTraceEventVersion>
-    <MicrosoftDiaSymReaderVersion>1.1.0</MicrosoftDiaSymReaderVersion>
-    <MicrosoftDiaSymReaderConverterXmlVersion>1.0.0-beta1-61708-01</MicrosoftDiaSymReaderConverterXmlVersion>
-    <MicrosoftDiaSymReaderNativeVersion>1.6.0-beta2-25304</MicrosoftDiaSymReaderNativeVersion>
-    <MicrosoftDiaSymReaderPortablePdbVersion>1.3.0</MicrosoftDiaSymReaderPortablePdbVersion>
+    <MicrosoftDiaSymReaderVersion>1.2.0-beta1-62008-01</MicrosoftDiaSymReaderVersion>
+    <MicrosoftDiaSymReaderConverterXmlVersion>1.1.0-beta1-62008-01</MicrosoftDiaSymReaderConverterXmlVersion>
+    <MicrosoftDiaSymReaderNativeVersion>1.7.0-private-25604</MicrosoftDiaSymReaderNativeVersion>
+    <MicrosoftDiaSymReaderPortablePdbVersion>1.3.0-beta1-62008-01</MicrosoftDiaSymReaderPortablePdbVersion>
     <MicrosoftDotNetIBCMerge>4.7.2-alpha-00001</MicrosoftDotNetIBCMerge>
     <MicrosoftDotNetVersionToolsVersion>1.0.27-prerelease-01811-02</MicrosoftDotNetVersionToolsVersion>
     <MicrosoftIdentityModelClientsActiveDirectoryVersion>3.13.8</MicrosoftIdentityModelClientsActiveDirectoryVersion>
@@ -194,6 +194,7 @@
     <SystemRuntimeSerializationPrimitivesVersion>4.3.0</SystemRuntimeSerializationPrimitivesVersion>
     <SystemSecurityAccessControlVersion>4.3.0</SystemSecurityAccessControlVersion>
     <SystemSecurityCryptographyAlgorithmsVersion>4.3.0</SystemSecurityCryptographyAlgorithmsVersion>
+    <SystemSecurityCryptographyCspVersion>4.3.0</SystemSecurityCryptographyCspVersion>
     <SystemSecurityCryptographyEncodingVersion>4.3.0</SystemSecurityCryptographyEncodingVersion>
     <SystemSecurityCryptographyPrimitivesVersion>4.3.0</SystemSecurityCryptographyPrimitivesVersion>
     <SystemSecurityCryptographyX509CertificatesVersion>4.3.0</SystemSecurityCryptographyX509CertificatesVersion>

build/Targets/Settings.props

@@ -22,6 +22,7 @@
     <RoslynPortableTargetFrameworks>net46;netcoreapp2.0</RoslynPortableTargetFrameworks>
 
     <Features>strict,IOperation</Features>
+    <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
     <Configuration Condition="'$(Configuration)' == ''">Debug</Configuration>
     <SignAssembly>true</SignAssembly>
     <!-- The new SDK introduced a GenerateAssemblyInfo target, which is disabled by GenerateAssemblyInfo=false.

build/scripts/build.ps1

@@ -347,6 +347,10 @@ function Test-XUnit() {
     # Exclude out the multi-targetted netcore app projects
     $dlls = $dlls | ?{ -not ($_.FullName -match ".*netcoreapp.*") }
 
+    # Exclude out the ref assemblies
+    $dlls = $dlls | ?{ -not ($_.FullName -match ".*\\ref\\.*") }
+    $dlls = $dlls | ?{ -not ($_.FullName -match ".*/ref/.*") }
+
     if ($cibuild) {
         # Use a 50 minute timeout on CI
         $args += " -xml -timeout:50"

src/Compilers/CSharp/Portable/CSharpParseOptions.cs

@@ -61,7 +61,7 @@ internal CSharpParseOptions(
             LanguageVersion languageVersion,
             DocumentationMode documentationMode,
             SourceCodeKind kind,
-            IEnumerable<string> preprocessorSymbols,
+            ImmutableArray<string> preprocessorSymbols,
             IReadOnlyDictionary<string, string> features)
             : base(kind, documentationMode)
         {

src/Compilers/CSharp/Portable/CSharpResources.resx

@@ -4986,7 +4986,7 @@ To remove the warning, you can use /reference instead (set the Embed Interop Typ
     <value>/sourcelink switch is only supported when emitting PDB.</value>
   </data>
   <data name="ERR_CannotEmbedWithoutPdb" xml:space="preserve">
-    <value>/embed switch is only supported when emitting Portable PDB (/debug:portable or /debug:embedded).</value>
+    <value>/embed switch is only supported when emitting a PDB.</value>
   </data>
   <data name="ERR_InvalidInstrumentationKind" xml:space="preserve">
     <value>Invalid instrumentation kind: {0}</value>

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

@@ -1243,14 +1243,9 @@ internal sealed override CommandLineArguments CommonParse(IEnumerable<string> ar
                 embeddedFiles.AddRange(sourceFiles);
             }
 
-            if (embeddedFiles.Count > 0)
+            if (embeddedFiles.Count > 0 && !emitPdb)
             {
-                // Restricted to portable PDBs for now, but the IsPortable condition should be removed
-                // and the error message adjusted accordingly when native PDB support is added.
-                if (!emitPdb || !debugInformationFormat.IsPortable())
-                {
-                    AddDiagnostic(diagnostics, ErrorCode.ERR_CannotEmbedWithoutPdb);
-                }
+                AddDiagnostic(diagnostics, ErrorCode.ERR_CannotEmbedWithoutPdb);
             }
 
             var parsedFeatures = ParseFeatures(features);

src/Compilers/CSharp/Portable/Compiler/TypeCompilationState.cs

@@ -66,7 +66,7 @@ internal MethodWithBody(MethodSymbol method, BoundStatement body, ImportChain im
 
         public readonly CSharpCompilation Compilation;
 
-        public LambdaFrame StaticLambdaFrame;
+        public SynthesizedClosureEnvironment StaticLambdaFrame;
 
         /// <summary>
         /// A graph of method->method references for this(...) constructor initializers.

src/Compilers/CSharp/Portable/Emitter/EditAndContinue/CSharpDefinitionMap.cs

@@ -183,16 +183,13 @@ protected override void GetStateMachineFieldMapFromMetadata(
             awaiterSlotCount = maxAwaiterSlotIndex + 1;
         }
 
-        protected override ImmutableArray<EncLocalInfo> TryGetLocalSlotMapFromMetadata(MethodDefinitionHandle handle, EditAndContinueMethodDebugInformation debugInfo)
+        protected override ImmutableArray<EncLocalInfo> GetLocalSlotMapFromMetadata(StandaloneSignatureHandle handle, EditAndContinueMethodDebugInformation debugInfo)
         {
-            ImmutableArray<LocalInfo<TypeSymbol>> slotMetadata;
-            if (!_metadataDecoder.TryGetLocals(handle, out slotMetadata))
-            {
-                return default(ImmutableArray<EncLocalInfo>);
-            }
+            Debug.Assert(!handle.IsNil);
 
-            var result = CreateLocalSlotMap(debugInfo, slotMetadata);
-            Debug.Assert(result.Length == slotMetadata.Length);
+            var localInfos = _metadataDecoder.GetLocalsOrThrow(handle);
+            var result = CreateLocalSlotMap(debugInfo, localInfos);
+            Debug.Assert(result.Length == localInfos.Length);
             return result;
         }
 

src/Compilers/CSharp/Portable/Lowering/LambdaRewriter/LambdaCapturedVariable.cs

@@ -31,7 +31,7 @@ private LambdaCapturedVariable(SynthesizedContainer frame, TypeSymbol type, stri
             _isThis = isThisParameter;
         }
 
-        public static LambdaCapturedVariable Create(LambdaFrame frame, Symbol captured, ref int uniqueId)
+        public static LambdaCapturedVariable Create(SynthesizedClosureEnvironment frame, Symbol captured, ref int uniqueId)
         {
             Debug.Assert(captured is LocalSymbol || captured is ParameterSymbol);
 
@@ -87,7 +87,7 @@ private static TypeSymbol GetCapturedVariableFieldType(SynthesizedContainer fram
             if ((object)local != null)
             {
                 // if we're capturing a generic frame pointer, construct it with the new frame's type parameters
-                var lambdaFrame = local.Type.OriginalDefinition as LambdaFrame;
+                var lambdaFrame = local.Type.OriginalDefinition as SynthesizedClosureEnvironment;
                 if ((object)lambdaFrame != null)
                 {
                     // lambdaFrame may have less generic type parameters than frame, so trim them down (the first N will always match)