[wasm][debugger] Skip generated wrappers when trying to step into/out…

… with JustMyCode enabled (#81715) * Skip generated wrappers when trying to step. * Changing to use System.Diagnostics.DebuggerNonUserCode
dotnet · Feb 7, 2023 · 8a1e99e · 8a1e99e
1 parent b45ee2b
commit 8a1e99e
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diff --git a/src/libraries/System.Runtime.InteropServices.JavaScript/gen/JSImportGenerator/Constants.cs b/src/libraries/System.Runtime.InteropServices.JavaScript/gen/JSImportGenerator/Constants.cs
@@ -10,6 +10,7 @@ internal static class Constants
         public const string JSImportAttribute = "System.Runtime.InteropServices.JavaScript.JSImportAttribute";
         public const string JSExportAttribute = "System.Runtime.InteropServices.JavaScript.JSExportAttribute";
         public const string JavaScriptMarshal = "System.Runtime.InteropServices.JavaScript.JavaScriptMarshal";
+        public const string DebuggerNonUserCodeAttribute = "System.Diagnostics.DebuggerNonUserCode";
 
         public const string JSFunctionSignatureGlobal = "global::System.Runtime.InteropServices.JavaScript.JSFunctionBinding";
         public const string JSMarshalerArgumentGlobal = "global::System.Runtime.InteropServices.JavaScript.JSMarshalerArgument";

diff --git a/...ries/System.Runtime.InteropServices.JavaScript/gen/JSImportGenerator/JSExportGenerator.cs b/...ries/System.Runtime.InteropServices.JavaScript/gen/JSImportGenerator/JSExportGenerator.cs
@@ -145,6 +145,8 @@ private static MemberDeclarationSyntax PrintGeneratedSource(
 
             MemberDeclarationSyntax wrappperMethod = MethodDeclaration(PredefinedType(Token(SyntaxKind.VoidKeyword)), Identifier(wrapperName))
                 .WithModifiers(TokenList(new[] { Token(SyntaxKind.InternalKeyword), Token(SyntaxKind.StaticKeyword), Token(SyntaxKind.UnsafeKeyword) }))
+                .WithAttributeLists(SingletonList(AttributeList(SingletonSeparatedList(
+                    Attribute(IdentifierName(Constants.DebuggerNonUserCodeAttribute))))))
                 .WithParameterList(ParameterList(SingletonSeparatedList(
                     Parameter(Identifier("__arguments_buffer")).WithType(PointerType(ParseTypeName(Constants.JSMarshalerArgumentGlobal))))))
                 .WithBody(wrapperStatements);

diff --git a/...ries/System.Runtime.InteropServices.JavaScript/gen/JSImportGenerator/JSImportGenerator.cs b/...ries/System.Runtime.InteropServices.JavaScript/gen/JSImportGenerator/JSImportGenerator.cs
@@ -120,6 +120,8 @@ private static MemberDeclarationSyntax PrintGeneratedSource(
             // Create stub function
             MethodDeclarationSyntax stubMethod = MethodDeclaration(stub.SignatureContext.StubReturnType, userDeclaredMethod.Identifier)
                 .AddAttributeLists(stub.SignatureContext.AdditionalAttributes.ToArray())
+                .WithAttributeLists(SingletonList(AttributeList(SingletonSeparatedList(
+                    Attribute(IdentifierName(Constants.DebuggerNonUserCodeAttribute))))))
                 .WithModifiers(StripTriviaFromModifiers(userDeclaredMethod.Modifiers))
                 .WithParameterList(ParameterList(SeparatedList(stub.SignatureContext.StubParameters)))
                 .WithBody(stubCode);