fix behavior of JMC (#75783)

src/mono/wasm/debugger/BrowserDebugProxy/MemberObjectsExplorer.cs

@@ -238,6 +238,9 @@ async Task<JArray> GetRootHiddenChildrenForProperty()
                 JObject fieldValue = await ReadFieldValue(sdbHelper, retDebuggerCmdReader, field, id.Value, typeInfo, valtype, isOwn, parentTypeId, getCommandOptions, token);
                 numFieldsRead++;
 
+                if (typeInfo.Info.IsNonUserCode && getCommandOptions.HasFlag(GetObjectCommandOptions.JustMyCode) && field.Attributes.HasFlag(FieldAttributes.Private))
+                    continue;
+
                 if (!Enum.TryParse(fieldValue["__state"].Value<string>(), out DebuggerBrowsableState fieldState)
                     || fieldState == DebuggerBrowsableState.Collapsed)
                 {
@@ -311,7 +314,7 @@ JArray GetHiddenElement()
             int typeId,
             string typeName,
             ArraySegment<byte> getterParamsBuffer,
-            bool isAutoExpandable,
+            GetObjectCommandOptions getCommandOptions,
             DotnetObjectId objectId,
             bool isValueType,
             bool isOwn,
@@ -347,6 +350,10 @@ JArray GetHiddenElement()
                 MethodAttributes getterAttrs = getterInfo.Info.Attributes;
                 MethodAttributes getterMemberAccessAttrs = getterAttrs & MethodAttributes.MemberAccessMask;
                 MethodAttributes vtableLayout = getterAttrs & MethodAttributes.VtableLayoutMask;
+
+                if (typeInfo.Info.IsNonUserCode && getCommandOptions.HasFlag(GetObjectCommandOptions.JustMyCode) && getterMemberAccessAttrs == MethodAttributes.Private)
+                    continue;
+
                 bool isNewSlot = (vtableLayout & MethodAttributes.NewSlot) == MethodAttributes.NewSlot;
 
                 typePropertiesBrowsableInfo.TryGetValue(propName, out DebuggerBrowsableState? state);
@@ -454,7 +461,7 @@ async Task UpdateBackingFieldWithPropertyAttributes(JObject backingField, string
             {
                 string returnTypeName = await sdbHelper.GetReturnType(getMethodId, token);
                 JObject propRet = null;
-                if (isAutoExpandable || (state is DebuggerBrowsableState.RootHidden && IsACollectionType(returnTypeName)))
+                if (getCommandOptions.HasFlag(GetObjectCommandOptions.AutoExpandable) || getCommandOptions.HasFlag(GetObjectCommandOptions.ForDebuggerProxyAttribute) || (state is DebuggerBrowsableState.RootHidden && IsACollectionType(returnTypeName)))
                 {
                     try
                     {
@@ -568,10 +575,6 @@ JObject GetNotAutoExpandableObject(int methodId, string propertyName, bool isSta
             for (int i = 0; i < typeIdsCnt; i++)
             {
                 int typeId = typeIdsIncludingParents[i];
-                var typeInfo = await sdbHelper.GetTypeInfo(typeId, token);
-
-                if (typeInfo.Info.IsNonUserCode && getCommandType.HasFlag(GetObjectCommandOptions.JustMyCode))
-                    continue;
 
                 int parentTypeId = i + 1 < typeIdsCnt ? typeIdsIncludingParents[i + 1] : -1;
                 string typeName = await sdbHelper.GetTypeName(typeId, token);
@@ -604,7 +607,7 @@ JObject GetNotAutoExpandableObject(int methodId, string propertyName, bool isSta
                     typeId,
                     typeName,
                     getPropertiesParamBuffer,
-                    getCommandType.HasFlag(GetObjectCommandOptions.ForDebuggerProxyAttribute),
+                    getCommandType,
                     id,
                     isValueType: false,
                     isOwn,

src/mono/wasm/debugger/BrowserDebugProxy/MonoSDBHelper.cs

@@ -60,7 +60,8 @@ internal enum GetObjectCommandOptions
         ForDebuggerProxyAttribute = 8,
         ForDebuggerDisplayAttribute = 16,
         WithProperties = 32,
-        JustMyCode = 64
+        JustMyCode = 64,
+        AutoExpandable = 128
     }
 
     internal enum CommandSet {

src/mono/wasm/debugger/BrowserDebugProxy/ValueTypeClass.cs

@@ -290,7 +290,7 @@ public async Task ExpandPropertyValues(MonoSDBHelper sdbHelper, bool splitMember
                     typeId,
                     className,
                     Buffer,
-                    autoExpand,
+                    autoExpand ? GetObjectCommandOptions.AutoExpandable : GetObjectCommandOptions.None,
                     Id,
                     isValueType: true,
                     isOwn: i == 0,

src/mono/wasm/debugger/DebuggerTestSuite/MiscTests.cs

@@ -1067,7 +1067,11 @@ public async Task InspectThisThatInheritsFromClassNonUserCode(string class_name,
                         {
                             myField = TNumber(0),
                             myField2 = TNumber(0),
-                        }, "this_props", num_fields: 2);
+                            propB = TGetter("propB"),
+                            propC = TGetter("propC"),
+                            e = TNumber(50),
+                            f = TNumber(60),
+                        }, "this_props", num_fields: 6);
                     }
                     else
                     {

src/mono/wasm/debugger/tests/debugger-test-with-non-user-code-class/test.cs

@@ -16,11 +16,11 @@ public class ClassNonUserCodeToInheritThatInheritsFromNormalClass : NormalClass
         private int d;
         public int e;
         protected int f;
-        public int G
+        private int G
         {
             get {return f + 1;}
         }
-        public int H => f;
+        private int H => f;
 
         public ClassNonUserCodeToInheritThatInheritsFromNormalClass()
         {

src/mono/wasm/debugger/tests/debugger-test-without-debug-symbols-to-load/test.cs

@@ -10,11 +10,11 @@ public class ClassWithoutDebugSymbolsToInherit
         private int d;
         public int e;
         protected int f;
-        public int G
+        private int G
         {
             get {return f + 1;}
         }
-        public int H => f;
+        private int H => f;
 
         public ClassWithoutDebugSymbolsToInherit()
         {

src/mono/wasm/debugger/tests/debugger-test/debugger-test.cs

@@ -1300,11 +1300,11 @@ public class ClassNonUserCodeToInherit
     private int d;
     public int e;
     protected int f;
-    public int G
+    private int G
     {
         get {return f + 1;}
     }
-    public int H => f;
+    private int H => f;
 
     public ClassNonUserCodeToInherit()
     {