#2657: Use the same metadata reader (same options) in all cases.

ICSharpCode.Decompiler.Tests/Helpers/Tester.cs

@@ -661,7 +661,7 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 			using (var file = new FileStream(assemblyFileName, FileMode.Open, FileAccess.Read))
 			{
 				var module = new PEFile(assemblyFileName, file, PEStreamOptions.PrefetchEntireImage);
-				string targetFramework = module.Reader.DetectTargetFrameworkId();
+				string targetFramework = module.Metadata.DetectTargetFrameworkId();
 				var resolver = new UniversalAssemblyResolver(assemblyFileName, false,
 					targetFramework, null, PEStreamOptions.PrefetchMetadata);
 				resolver.AddSearchDirectory(targetFramework.Contains(".NETFramework") ? RefAsmPath : coreRefAsmPath);

ICSharpCode.Decompiler.Tests/PdbGenerationTestRunner.cs

@@ -59,7 +59,7 @@ namespace ICSharpCode.Decompiler.Tests
 			string peFileName = Path.Combine(TestCasePath, testName + ".expected.dll");
 			string pdbFileName = Path.Combine(TestCasePath, testName + ".expected.pdb");
 			var moduleDefinition = new PEFile(peFileName);
-			var resolver = new UniversalAssemblyResolver(peFileName, false, moduleDefinition.Reader.DetectTargetFrameworkId(), null, PEStreamOptions.PrefetchEntireImage);
+			var resolver = new UniversalAssemblyResolver(peFileName, false, moduleDefinition.Metadata.DetectTargetFrameworkId(), null, PEStreamOptions.PrefetchEntireImage);
 			var decompiler = new CSharpDecompiler(moduleDefinition, resolver, new DecompilerSettings());
 			using (FileStream pdbStream = File.Open(Path.Combine(TestCasePath, testName + ".pdb"), FileMode.OpenOrCreate, FileAccess.ReadWrite))
 			{

ICSharpCode.Decompiler.Tests/RoundtripAssembly.cs

@@ -183,7 +183,7 @@ namespace ICSharpCode.Decompiler.Tests
 					using (var fileStream = new FileStream(file, FileMode.Open, FileAccess.Read))
 					{
 						PEFile module = new PEFile(file, fileStream, PEStreamOptions.PrefetchEntireImage);
-						var resolver = new TestAssemblyResolver(file, inputDir, module.Reader.DetectTargetFrameworkId());
+						var resolver = new TestAssemblyResolver(file, inputDir, module.Metadata.DetectTargetFrameworkId());
 						resolver.AddSearchDirectory(inputDir);
 						resolver.RemoveSearchDirectory(".");
 

ICSharpCode.Decompiler/Metadata/DotNetCorePathFinderExtensions.cs

@@ -42,25 +42,24 @@ namespace ICSharpCode.Decompiler.Metadata
 
 		public static string DetectTargetFrameworkId(this PEFile assembly)
 		{
-			return DetectTargetFrameworkId(assembly.Reader, assembly.FileName);
+			return DetectTargetFrameworkId(assembly.Metadata, assembly.FileName);
 		}
 
-		public static string DetectTargetFrameworkId(this PEReader assembly, string assemblyPath = null)
+		public static string DetectTargetFrameworkId(this MetadataReader metadata, string assemblyPath = null)
 		{
-			if (assembly == null)
+			if (metadata == null)
-				throw new ArgumentNullException(nameof(assembly));
+				throw new ArgumentNullException(nameof(metadata));
 
 			const string TargetFrameworkAttributeName = "System.Runtime.Versioning.TargetFrameworkAttribute";
-			var reader = assembly.GetMetadataReader();
 
-			foreach (var h in reader.GetCustomAttributes(Handle.AssemblyDefinition))
+			foreach (var h in metadata.GetCustomAttributes(Handle.AssemblyDefinition))
 			{
 				try
 				{
-					var attribute = reader.GetCustomAttribute(h);
+					var attribute = metadata.GetCustomAttribute(h);
-					if (attribute.GetAttributeType(reader).GetFullTypeName(reader).ToString() != TargetFrameworkAttributeName)
+					if (attribute.GetAttributeType(metadata).GetFullTypeName(metadata).ToString() != TargetFrameworkAttributeName)
 						continue;
-					var blobReader = reader.GetBlobReader(attribute.Value);
+					var blobReader = metadata.GetBlobReader(attribute.Value);
 					if (blobReader.ReadUInt16() == 0x0001)
 					{
 						return blobReader.ReadSerializedString()?.Replace(" ", "");
@@ -72,9 +71,9 @@ namespace ICSharpCode.Decompiler.Metadata
 				}
 			}
 
-			if (reader.IsAssembly)
+			if (metadata.IsAssembly)
 			{
-				var thisAssemblyName = reader.GetAssemblyDefinition().GetAssemblyName();
+				var thisAssemblyName = metadata.GetAssemblyDefinition().GetAssemblyName();
 				switch (thisAssemblyName.Name)
 				{
 					case "mscorlib":
@@ -84,15 +83,15 @@ namespace ICSharpCode.Decompiler.Metadata
 				}
 			}
 
-			foreach (var h in reader.AssemblyReferences)
+			foreach (var h in metadata.AssemblyReferences)
 			{
 				try
 				{
-					var r = reader.GetAssemblyReference(h);
+					var r = metadata.GetAssemblyReference(h);
 					if (r.PublicKeyOrToken.IsNil)
 						continue;
 					string version;
-					switch (reader.GetString(r.Name))
+					switch (metadata.GetString(r.Name))
 					{
 						case "netstandard":
 							version = r.Version.ToString(2);
@@ -148,7 +147,7 @@ namespace ICSharpCode.Decompiler.Metadata
 					var type = pathMatch.Groups["type"].Value;
 					version = pathMatch.Groups["version"].Value;
 					if (string.IsNullOrEmpty(version))
-						version = reader.MetadataVersion;
+						version = metadata.MetadataVersion;
 					if (string.IsNullOrEmpty(version))
 						version = "4.0";
 					version = version.TrimStart('v');
@@ -168,7 +167,7 @@ namespace ICSharpCode.Decompiler.Metadata
 				}
 				else
 				{
-					version = reader.MetadataVersion;
+					version = metadata.MetadataVersion;
 					if (string.IsNullOrEmpty(version))
 						version = "4.0";
 					version = version.TrimStart('v');

ILSpy.BamlDecompiler.Tests/BamlTestRunner.cs

@@ -168,7 +168,7 @@ namespace ILSpy.BamlDecompiler.Tests
 			using (var fileStream = new FileStream(asmPath, FileMode.Open, FileAccess.Read))
 			{
 				var module = new PEFile(asmPath, fileStream);
-				var resolver = new UniversalAssemblyResolver(asmPath, false, module.Reader.DetectTargetFrameworkId());
+				var resolver = new UniversalAssemblyResolver(asmPath, false, module.Metadata.DetectTargetFrameworkId());
 				resolver.RemoveSearchDirectory(".");
 				resolver.AddSearchDirectory(Path.GetDirectoryName(asmPath));
 				var res = module.Resources.First();