Add missing null check

siegfriedpammer · web-flow · commit f5e851240d5d · 2025-03-22T14:59:05.000+01:00
diff --git a/ILSpy/ExtensionMethods.cs b/ILSpy/ExtensionMethods.cs
@@ -79,7 +79,7 @@ public static U[] SelectArray<T, U>(this ICollection<T> collection, Func<T, U> f
 		public static ICompilation? GetTypeSystemWithCurrentOptionsOrNull(this MetadataFile file, SettingsService settingsService, LanguageVersion languageVersion)
 		{
 			var decompilerSettings = settingsService.DecompilerSettings.Clone();
-			if (!Enum.TryParse(languageVersion.Version, out Decompiler.CSharp.LanguageVersion csharpLanguageVersion))
+			if (!Enum.TryParse(languageVersion?.Version, out Decompiler.CSharp.LanguageVersion csharpLanguageVersion))
 				csharpLanguageVersion = Decompiler.CSharp.LanguageVersion.Latest;
 			decompilerSettings.SetLanguageVersion(csharpLanguageVersion);
 			return file

Original file line number	Diff line number	Diff line change
`@@ -79,7 +79,7 @@ public static U[] SelectArray<T, U>(this ICollection<T> collection, Func<T, U> f`
`79`	`79`	`public static ICompilation? GetTypeSystemWithCurrentOptionsOrNull(this MetadataFile file, SettingsService settingsService, LanguageVersion languageVersion)`
`80`	`80`	`{`
`81`	`81`	`var decompilerSettings = settingsService.DecompilerSettings.Clone();`
`82`		`- if (!Enum.TryParse(languageVersion.Version, out Decompiler.CSharp.LanguageVersion csharpLanguageVersion))`
	`82`	`+ if (!Enum.TryParse(languageVersion?.Version, out Decompiler.CSharp.LanguageVersion csharpLanguageVersion))`
`83`	`83`	`csharpLanguageVersion = Decompiler.CSharp.LanguageVersion.Latest;`
`84`	`84`	`decompilerSettings.SetLanguageVersion(csharpLanguageVersion);`
`85`	`85`	`return file`