Merge remote-tracking branch 'origin/release/6.2' into master

BuildTools/appveyor-ilspycmd-install.ps1

@@ -3,6 +3,9 @@ $ErrorActionPreference = "Stop"
 $baseCommit = "e17b4bfedf4dc747b105396224cd726bdca500ad";
 $baseCommitRev = 1;
 
+# make sure this matches artifacts-only branches list in appveyor.yml!
+$masterBranches = '^(master|release/.+)$';
+
 $globalAssemblyInfoTemplateFile = "ILSpy/Properties/AssemblyInfo.template.cs";
 
 $versionParts = @{};
@@ -18,10 +21,10 @@ if ($versionName -ne "null") {
 } else {
     $versionName = "";
 }
-if ($env:APPVEYOR_REPO_BRANCH -ne 'master') {
-	$branch = "-$env:APPVEYOR_REPO_BRANCH";
-} else {
+if ($env:APPVEYOR_REPO_BRANCH -match $masterBranches) {
 	$branch = "";
+} else {
+	$branch = "-$env:APPVEYOR_REPO_BRANCH";
 }
 
 $revision = [Int32]::Parse((git rev-list --count "$baseCommit..HEAD")) + $baseCommitRev;

BuildTools/appveyor-install.ps1

@@ -3,8 +3,8 @@ $ErrorActionPreference = "Stop"
 $baseCommit = "d779383cb85003d6dabeb976f0845631e07bf463";
 $baseCommitRev = 1;
 
-# make sure this list matches artifacts-only branches list in appveyor.yml!
-$masterBranches = @("master", "5.0.x");
+# make sure this matches artifacts-only branches list in appveyor.yml!
+$masterBranches = '^(master|release/.+)$';
 
 $globalAssemblyInfoTemplateFile = "ILSpy/Properties/AssemblyInfo.template.cs";
 
@@ -21,7 +21,7 @@ if ($versionName -ne "null") {
 } else {
     $versionName = "";
 }
-if ($masterBranches -contains $env:APPVEYOR_REPO_BRANCH) {
+if ($env:APPVEYOR_REPO_BRANCH -match $masterBranches) {
 	$branch = "";
 } else {
 	$branch = "-$env:APPVEYOR_REPO_BRANCH";

BuildTools/pipelines-install.ps1

@@ -3,8 +3,8 @@ $ErrorActionPreference = "Stop"
 $baseCommit = "d779383cb85003d6dabeb976f0845631e07bf463";
 $baseCommitRev = 1;
 
-# make sure this list matches artifacts-only branches list in azure-pipelines.yml!
-$masterBranches = @("master", "5.0.x");
+# make sure this matches artifacts-only branches list in appveyor.yml!
+$masterBranches = '^refs/heads/(master|release/.+)$';
 
 $globalAssemblyInfoTemplateFile = "ILSpy/Properties/AssemblyInfo.template.cs";
 
@@ -21,7 +21,8 @@ if ($versionName -ne "null") {
 } else {
     $versionName = "";
 }
-if ($masterBranches -contains $env:BUILD_SOURCEBRANCHNAME) {
+
+if ($env:BUILD_SOURCEBRANCH -match $masterBranches) {
 	$branch = "";
 } else {
 	$branch = "-$env:BUILD_SOURCEBRANCHNAME";

BuildTools/update-assemblyinfo.ps1

@@ -3,8 +3,8 @@
 $baseCommit = "d779383cb85003d6dabeb976f0845631e07bf463";
 $baseCommitRev = 1;
 
-# make sure this list matches artifacts-only branches list in appveyor.yml!
-$masterBranches = @("master", "5.0.x");
+# make sure this matches artifacts-only branches list in appveyor.yml!
+$masterBranches = '^(master|release/.+)$';
 
 $globalAssemblyInfoTemplateFile = "ILSpy/Properties/AssemblyInfo.template.cs";
 
@@ -112,7 +112,7 @@ try {
     $branchName = gitBranch;
     $gitCommitHash = gitCommitHash;
 
-    if ($masterBranches -contains $branchName) {
+    if ($branchName -match $masterBranches) {
         $postfixBranchName = "";
     } else {
         $postfixBranchName = "-$branchName";

ICSharpCode.Decompiler.Tests/ICSharpCode.Decompiler.Tests.csproj

@@ -65,6 +65,8 @@
     <None Include="TestCases\Correctness\StackTests.il" />
     <None Include="TestCases\Correctness\StackTypes.il" />
     <None Include="TestCases\Correctness\Uninit.vb" />
+    <None Include="TestCases\ILPretty\UnknownTypes.cs" />
+    <None Include="TestCases\ILPretty\UnknownTypes.il" />
     <None Include="TestCases\ILPretty\EvalOrder.cs" />
     <None Include="TestCases\ILPretty\EvalOrder.il" />
     <None Include="TestCases\ILPretty\CallIndirect.il" />

ICSharpCode.Decompiler.Tests/ILPrettyTestRunner.cs

@@ -146,6 +146,12 @@ namespace ICSharpCode.Decompiler.Tests
 			Run(settings: new DecompilerSettings { SwitchExpressions = false });
 		}
 
+		[Test]
+		public void UnknownTypes()
+		{
+			Run();
+		}
+
 		[Test]
 		public void Issue1145()
 		{

ICSharpCode.Decompiler.Tests/TestCases/ILPretty/UnknownTypes.cs

@@ -0,0 +1,12 @@
+internal class UnknownTypes
+{
+	private readonly IInterface memberField;
+
+	public override bool CanExecute(CallbackQuery message)
+	{
+		return ((IInterface<SomeClass, bool>)(object)memberField).Execute(new SomeClass {
+			ChatId = StaticClass.GetChatId(message),
+			MessageId = StaticClass.GetMessageId(message)
+		});
+	}
+}

ICSharpCode.Decompiler.Tests/TestCases/ILPretty/UnknownTypes.il

@@ -0,0 +1,59 @@
+#define CORE_ASSEMBLY "System.Runtime"
+
+.assembly extern CORE_ASSEMBLY
+{
+  .publickeytoken = (B0 3F 5F 7F 11 D5 0A 3A )                         // .?_....:
+  .ver 4:0:0:0
+}
+.assembly extern UnknownAssembly
+{
+  .publickeytoken = (01 02 03 04 05 06 07 08 )
+  .ver 1:0:0:0
+}
+
+.class private auto ansi beforefieldinit UnknownTypes
+    extends [System.Private.CoreLib]System.Object
+{
+    .field private initonly class [UnknownAssembly]IInterface memberField
+
+    // Methods
+    .method public hidebysig specialname rtspecialname 
+        instance void .ctor () cil managed 
+    {
+        // Method begins at RVA 0x206e
+        // Code size 8 (0x8)
+        .maxstack 8
+
+        IL_0000: ldarg.0
+        IL_0001: call instance void [CORE_ASSEMBLY]System.Object::.ctor()
+        IL_0006: nop
+        IL_0007: ret
+    } // end of method UnknownTypes::.ctor
+
+    .method public hidebysig virtual 
+	    instance bool CanExecute (
+		    class [UnknownAssembly]CallbackQuery message
+	    ) cil managed 
+    {
+	    // Method begins at RVA 0x4dbc
+	    // Code size 44 (0x2c)
+	    .maxstack 8
+
+	    IL_0000: ldarg.0
+	    IL_0001: ldfld class [UnknownAssembly]IInterface UnknownTypes::memberField
+	    IL_0006: newobj instance void [UnknownAssembly]SomeClass::.ctor()
+	    IL_000b: dup
+	    IL_000d: ldarg.1
+	    IL_000e: call int64 [UnknownAssembly]StaticClass::GetChatId(class [UnknownAssembly]CallbackQuery)
+	    IL_0013: stfld int64 [UnknownAssembly]SomeClass::ChatId
+	    IL_0018: dup
+	    IL_001a: ldarg.1
+	    IL_001b: call int32 [UnknownAssembly]StaticClass::GetMessageId(class [UnknownAssembly]CallbackQuery)
+	    IL_0020: conv.i8
+	    IL_0021: stfld int64 [UnknownAssembly]SomeClass::MessageId
+	    IL_0026: callvirt instance !1 class [UnknownAssembly]IInterface`2<class [UnknownAssembly]SomeClass, bool>::Execute(!0)
+	    IL_002b: ret
+    } // end of method CanExecute
+
+
+} // end of class UnknownTypes

ICSharpCode.Decompiler/CSharp/CSharpDecompiler.cs

@@ -286,8 +286,8 @@ namespace ICSharpCode.Decompiler.CSharp
 					var methodSemantics = module.MethodSemanticsLookup.GetSemantics(methodHandle).Item2;
 					if (methodSemantics != 0 && methodSemantics != System.Reflection.MethodSemanticsAttributes.Other)
 						return true;
-					if (LocalFunctionDecompiler.IsLocalFunctionMethod(module, methodHandle))
-						return settings.LocalFunctions;
+					if (settings.LocalFunctions && LocalFunctionDecompiler.IsLocalFunctionMethod(module, methodHandle))
+						return true;
 					if (settings.AnonymousMethods && methodHandle.HasGeneratedName(metadata) && methodHandle.IsCompilerGenerated(metadata))
 						return true;
 					if (settings.AsyncAwait && AsyncAwaitDecompiler.IsCompilerGeneratedMainMethod(module, methodHandle))
@@ -299,8 +299,8 @@ namespace ICSharpCode.Decompiler.CSharp
 					name = metadata.GetString(type.Name);
 					if (!type.GetDeclaringType().IsNil)
 					{
-						if (LocalFunctionDecompiler.IsLocalFunctionDisplayClass(module, typeHandle))
-							return settings.LocalFunctions;
+						if (settings.LocalFunctions && LocalFunctionDecompiler.IsLocalFunctionDisplayClass(module, typeHandle))
+							return true;
 						if (settings.AnonymousMethods && IsClosureType(type, metadata))
 							return true;
 						if (settings.YieldReturn && YieldReturnDecompiler.IsCompilerGeneratorEnumerator(typeHandle, metadata))

ICSharpCode.Decompiler/CSharp/ExpressionBuilder.cs

@@ -168,16 +168,19 @@ namespace ICSharpCode.Decompiler.CSharp
 				}
 				else if (inst is ILiftableInstruction liftable && liftable.IsLifted)
 				{
-					Debug.Assert(NullableType.IsNullable(cexpr.Type));
-					IType underlying = NullableType.GetUnderlyingType(cexpr.Type);
-					if (liftable.UnderlyingResultType.IsIntegerType())
+					if (liftable.UnderlyingResultType != StackType.Unknown)
 					{
-						Debug.Assert(underlying.GetStackType().IsIntegerType(), "IL instructions of integer type must convert into C# expressions of integer type");
-						Debug.Assert(underlying.GetSign() != Sign.None, "Must have a sign specified for zero/sign-extension");
-					}
-					else
-					{
-						Debug.Assert(underlying.GetStackType() == liftable.UnderlyingResultType);
+						Debug.Assert(NullableType.IsNullable(cexpr.Type));
+						IType underlying = NullableType.GetUnderlyingType(cexpr.Type);
+						if (liftable.UnderlyingResultType.IsIntegerType())
+						{
+							Debug.Assert(underlying.GetStackType().IsIntegerType(), "IL instructions of integer type must convert into C# expressions of integer type");
+							Debug.Assert(underlying.GetSign() != Sign.None, "Must have a sign specified for zero/sign-extension");
+						}
+						else
+						{
+							Debug.Assert(underlying.GetStackType() == liftable.UnderlyingResultType);
+						}
 					}
 				}
 				else if (inst.ResultType == StackType.Ref)

ICSharpCode.Decompiler/CSharp/TranslatedExpression.cs

@@ -502,7 +502,8 @@ namespace ICSharpCode.Decompiler.CSharp
 					.WithRR(new ByReferenceResolveResult(elementRR, ReferenceKind.Ref));
 			}
 			if (this.ResolveResult.IsCompileTimeConstant && this.ResolveResult.ConstantValue != null
-				&& NullableType.IsNullable(targetType) && !utype.Equals(targetUType))
+				&& NullableType.IsNullable(targetType) && !utype.Equals(targetUType)
+				&& targetUType.GetStackType().IsIntegerType())
 			{
 				// Casts like `(uint?)-1` are only valid in an explicitly unchecked context, but we
 				// don't have logic to ensure such a context (usually we emit into an implicitly unchecked context).

ICSharpCode.Decompiler/IL/ILReader.cs

@@ -1312,7 +1312,8 @@ namespace ICSharpCode.Decompiler.IL
 					return PopPointer();
 				default:
 					// field in unresolved type
-					if (PeekStackType() == StackType.O)
+					var stackType = PeekStackType();
+					if (stackType == StackType.O || stackType == StackType.Unknown)
 						return Pop();
 					else
 						return PopPointer();

ICSharpCode.Decompiler/IL/Transforms/SwitchOnStringTransform.cs

@@ -213,6 +213,8 @@ namespace ICSharpCode.Decompiler.IL.Transforms
 			var values = new List<(string, ILInstruction)>();
 			var uniqueValues = new HashSet<string>();
 			int numberOfUniqueMatchesWithCurrentVariable = 0;
+			HashSet<Block> caseBlocks = new HashSet<Block>();
+			caseBlocks.Add((Block)instructions[i].Parent);
 
 			bool AddSwitchSection(string value, ILInstruction inst)
 			{
@@ -308,6 +310,7 @@ namespace ICSharpCode.Decompiler.IL.Transforms
 					if (!AddSwitchSection(value, block))
 						return false;
 				}
+				caseBlocks.Add(currentCaseBlock);
 				currentCaseBlock = nextCaseBlock as Block;
 			} while (currentCaseBlock != null);
 
@@ -316,7 +319,7 @@ namespace ICSharpCode.Decompiler.IL.Transforms
 				return false;
 			context.Step(nameof(SimplifyCascadingIfStatements), instructions[i]);
 			// if the switchValueVar is used in other places as well, do not eliminate the store.
-			if (switchValueVar.LoadCount > numberOfUniqueMatchesWithCurrentVariable)
+			if (switchValueVar.LoadCount > numberOfUniqueMatchesWithCurrentVariable || !ValidateUsesOfSwitchValueVariable(switchValueVar, caseBlocks))
 			{
 				keepAssignmentBefore = true;
 				removeExtraLoad = false; // prevent loads from being deleted after detecting that
@@ -355,6 +358,23 @@ namespace ICSharpCode.Decompiler.IL.Transforms
 			return true;
 		}
 
+		private bool ValidateUsesOfSwitchValueVariable(ILVariable switchValueVar, HashSet<Block> caseBlocks)
+		{
+			foreach (var use in switchValueVar.LoadInstructions)
+			{
+				bool isValid = false;
+				foreach (var caseBlock in caseBlocks)
+				{
+					if (use.IsDescendantOf(caseBlock))
+						isValid = true;
+				}
+				if (!isValid)
+					return false;
+			}
+
+			return true;
+		}
+
 		bool SimplifyCSharp1CascadingIfStatements(InstructionCollection<ILInstruction> instructions, ref int i)
 		{
 			if (i < 1)

ILSpy/Properties/app.config.template

@@ -14,7 +14,7 @@
 			</dependentAssembly>
 			<dependentAssembly>
 				<assemblyIdentity name="ICSharpCode.AvalonEdit" publicKeyToken="9cc39be672370310" culture="neutral"/>
-				<bindingRedirect oldVersion="4.1.0.0-99.9.9.9" newVersion="6.0"/>
+				<bindingRedirect oldVersion="4.1.0.0-99.9.9.9" newVersion="6.1.0.314"/>
 			</dependentAssembly>
 			<dependentAssembly>
 				<assemblyIdentity name="ICSharpCode.Decompiler" publicKeyToken="d4bfe873e7598c49" culture="neutral"/>

appveyor.yml

@@ -45,7 +45,7 @@ for:
 - branches:
     only:
       - master
-      - 5.0.x
+      - /release\/*/
   artifacts:
     - path: ILSpy_binaries.zip
       name: ILSpy %APPVEYOR_REPO_BRANCH% %ILSPY_VERSION_NUMBER% binaries

azure-pipelines.yml

@@ -1,10 +1,10 @@
 trigger:
 - master
-- 5.0.x
+- release/*
 
 pr:
 - master
-- 5.0.x
+- release/*
 
 variables:
   DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
@@ -52,7 +52,7 @@ jobs:
     inputs:
       command: 'custom'
       custom: 'tool'
-      arguments: 'install dotnet-format --tool-path BuildTools'
+      arguments: 'install dotnet-format --tool-path $(Agent.ToolsDirectory)/dotnet-format'
 
   - script: pwsh .\BuildTools\pipelines-install.ps1
     displayName: Install
@@ -94,7 +94,7 @@ jobs:
   - script: python BuildTools\tidy.py
     displayName: Tab check
 
-  - script: .\BuildTools\dotnet-format --check --verbosity diagnostic ILSpy.sln
+  - script: $(Agent.ToolsDirectory)\dotnet-format\dotnet-format --check --verbosity diagnostic ILSpy.sln
     displayName: dotnet-format check
 
   - task: CopyFiles@2