[PATCH v3 0/4] MR11548: rometadata: IMetaDataImport implementation, part 4

[Vibhav Pant (＠vibhavp)]

Implement `EnumMembers`, `EnumMembersWithName`, and `FindMember`. Also add some tests for `EnumCustomAttributes` and `GetCustomAttributeProps`.

--
  v3: MAINTAINERS: Add entry for WinRT Metadata.
      rometadata: Add tests for IMetaDataImport::{EnumCustomAttributes, GetCustomAttributeProps}.
      rometadata: Implement IMetaDataImport::FindMember.
      rometadata: Implement IMetaDataImport::{EnumMembers, EnumMembersWithName}.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/11548

[PATCH v3 1/4] rometadata: Implement IMetaDataImport::{EnumMembers, EnumMembersWithName}.

[Vibhav Pant]

From: Vibhav Pant <[e-mail]>

---
 dlls/rometadata/mdtables.c         | 57 +++++++++++++++++++++++++++---
 dlls/rometadata/tests/rometadata.c | 44 +++++++++++------------
 2 files changed, 74 insertions(+), 27 deletions(-)

diff --git a/dlls/rometadata/mdtables.c b/dlls/rometadata/mdtables.c
index b8c8475ce20..5559a058880 100644
--- a/dlls/rometadata/mdtables.c
+++ b/dlls/rometadata/mdtables.c
@@ -1,7 +1,7 @@
 /*
  * IMetaDataTables, IMetaDataImport implementation
  *
- * Copyright 2025 Vibhav Pant
+ * Copyright 2025-2026 Vibhav Pant
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -789,15 +789,62 @@ static HRESULT WINAPI import_ResolveTypeRef(IMetaDataImport *iface, mdTypeRef ty
 static HRESULT WINAPI import_EnumMembers(IMetaDataImport *iface, HCORENUM *henum, mdTypeDef type_def,
                                          mdToken *member_defs, ULONG len, ULONG *count)
 {
-    FIXME("(%p, %p, %#x, %p, %lu, %p): stub!\n", iface, henum, type_def, member_defs, len, count);
-    return E_NOTIMPL;
+    TRACE("(%p, %p, %s, %p, %lu, %p)\n", iface, henum, debugstr_mdToken(type_def), member_defs, len, count);
+    return IMetaDataImport_EnumMembersWithName(iface, henum, type_def, NULL, member_defs, len, count);
 }
 
 static HRESULT WINAPI import_EnumMembersWithName(IMetaDataImport *iface, HCORENUM *henum, mdTypeDef token,
                                                  const WCHAR *name, mdToken *member_defs, ULONG len, ULONG *count)
 {
-    FIXME("(%p, %p, %#x, %s, %p, %lu, %p): stub!\n", iface, henum, token, debugstr_w(name), member_defs, len, count);
-    return E_NOTIMPL;
+    TRACE("(%p, %p, %s, %s, %p, %lu, %p)\n", iface, henum, debugstr_mdToken(token), debugstr_w(name), member_defs, len,
+          count);
+
+    if (!*henum)
+    {
+        HCORENUM methods_enum = NULL, fields_enum = NULL;
+        ULONG methods_len, fields_len;
+        mdToken *tokens = NULL;
+        HRESULT hr;
+
+        if (FAILED((hr = IMetaDataImport_EnumMethodsWithName(iface, &methods_enum, token, name, NULL, 0, NULL))))
+            return hr;
+        if (FAILED((hr = IMetaDataImport_CountEnum(iface, methods_enum, &methods_len)))) goto done;
+
+        if (FAILED((hr = IMetaDataImport_EnumFieldsWithName(iface, &fields_enum, token, name, NULL, 0, NULL))))
+            goto done;
+        if (FAILED((hr = IMetaDataImport_CountEnum(iface, fields_enum, &fields_len)))) goto done;
+
+        if (!methods_len && !fields_len)
+        {
+            hr = S_FALSE;
+            goto done;
+        }
+        if (!(tokens = calloc(methods_len + fields_len, sizeof(*tokens))))
+        {
+            hr = E_OUTOFMEMORY;
+            goto done;
+        }
+        if (methods_len)
+        {
+            hr = IMetaDataImport_EnumMethodsWithName(iface, &methods_enum, token, name, tokens, methods_len, NULL);
+            if (FAILED(hr)) goto done;
+        }
+        if (fields_len)
+        {
+            hr = IMetaDataImport_EnumFieldsWithName(iface, &fields_enum, token, name, &tokens[methods_len], fields_len,
+                                                    NULL);
+            if (FAILED(hr)) goto done;
+        }
+    done:
+        IMetaDataImport_CloseEnum(iface, methods_enum);
+        IMetaDataImport_CloseEnum(iface, fields_enum);
+        if (hr == S_OK)
+            hr = token_enum_list_create(henum, methods_len + fields_len, tokens);
+        free(tokens);
+        if (hr != S_OK) return hr;
+    }
+
+    return token_enum_get_entries(*henum, member_defs, len, count);
 }
 
 static HRESULT table_create_enum_from_token_list(IMetaDataTables *iface, enum table table, enum table list_table,
diff --git a/dlls/rometadata/tests/rometadata.c b/dlls/rometadata/tests/rometadata.c
index a426934a399..3dc29f77da4 100644
--- a/dlls/rometadata/tests/rometadata.c
+++ b/dlls/rometadata/tests/rometadata.c
@@ -1216,14 +1216,14 @@ static void test_IMetaDataImport(void)
         henum2 = NULL;
         token = mdTokenNil;
         hr = IMetaDataImport_EnumMembersWithName(md_import, &henum2, typedef2, name, &token, 1, NULL);
-        todo_wine ok(hr == S_OK, "got hr %#lx\n", hr);
-        todo_wine ok(!!henum2, "got henum2 %p\n", henum2);
+        ok(hr == S_OK, "got hr %#lx\n", hr);
+        ok(!!henum2, "got henum2 %p\n", henum2);
         buf_len2 = 0;
         hr = IMetaDataImport_CountEnum(md_import, henum2, &buf_len2);
         ok(hr == S_OK, "got hr %#lx\n", hr);
-        todo_wine ok(buf_len2 == 1, "got buf_len2 %lu\n", buf_len2);
-        todo_wine ok(token == methoddef_tokens[i], "got token %s != %s\n", debugstr_mdToken(token),
-                     debugstr_mdToken(methoddef_tokens[i]));
+        ok(buf_len2 == 1, "got buf_len2 %lu\n", buf_len2);
+        ok(token == methoddef_tokens[i], "got token %s != %s\n", debugstr_mdToken(token),
+           debugstr_mdToken(methoddef_tokens[i]));
         IMetaDataImport_CloseEnum(md_import, henum2);
 
         winetest_pop_context();
@@ -1248,22 +1248,22 @@ static void test_IMetaDataImport(void)
 
     henum = NULL;
     hr = IMetaDataImport_EnumMembers(md_import, &henum, typedef2, NULL, 0, NULL);
-    todo_wine ok(hr == S_FALSE, "got hr %#lx\n", hr);
-    todo_wine ok(!!henum, "got henum %p\n", henum);
+    ok(hr == S_FALSE, "got hr %#lx\n", hr);
+    ok(!!henum, "got henum %p\n", henum);
     buf_len2 = 0;
     hr = IMetaDataImport_CountEnum(md_import, henum, &buf_len2);
     ok(hr == S_OK, "got hr %#lx\n", hr);
-    todo_wine ok(buf_len2 == buf_len, "got buf_len2 %lu != %lu\n", buf_len2, buf_len);
+    ok(buf_len2 == buf_len, "got buf_len2 %lu != %lu\n", buf_len2, buf_len);
     IMetaDataImport_CloseEnum(md_import, henum);
 
     henum = NULL;
     hr = IMetaDataImport_EnumMembersWithName(md_import, &henum, typedef2, NULL, NULL, 0, NULL);
-    todo_wine ok(hr == S_FALSE, "got hr %#lx\n", hr);
-    todo_wine ok(!!henum, "got henum %p\n", henum);
+    ok(hr == S_FALSE, "got hr %#lx\n", hr);
+    ok(!!henum, "got henum %p\n", henum);
     buf_len2 = 0;
     hr = IMetaDataImport_CountEnum(md_import, henum, &buf_len2);
     ok(hr == S_OK, "got hr %#lx\n", hr);
-    todo_wine ok(buf_len2 == buf_len, "got buf_len2 %lu != %lu\n", buf_len2, buf_len);
+    ok(buf_len2 == buf_len, "got buf_len2 %lu != %lu\n", buf_len2, buf_len);
     IMetaDataImport_CloseEnum(md_import, henum);
 
     for (i = 0; i < ARRAY_SIZE(field_enum_test_cases); i++)
@@ -1309,22 +1309,22 @@ static void test_IMetaDataImport(void)
 
         henum = NULL;
         hr = IMetaDataImport_EnumMembers(md_import, &henum, typedef1, NULL, 0, NULL);
-        todo_wine ok(hr == S_FALSE, "got hr %#lx\n", hr);
-        todo_wine ok(!!henum, "got henum %p\n", henum);
+        ok(hr == S_FALSE, "got hr %#lx\n", hr);
+        ok(!!henum, "got henum %p\n", henum);
         buf_len2 = 0;
         hr = IMetaDataImport_CountEnum(md_import, henum, &buf_len2);
         ok(hr == S_OK, "got hr %#lx\n", hr);
-        todo_wine ok(buf_len2 == buf_len, "got buf_len2 %lu != %lu\n", buf_len2, buf_len);
+        ok(buf_len2 == buf_len, "got buf_len2 %lu != %lu\n", buf_len2, buf_len);
         IMetaDataImport_CloseEnum(md_import, henum);
 
         henum = NULL;
         hr = IMetaDataImport_EnumMembersWithName(md_import, &henum, typedef1, NULL, NULL, 0, NULL);
-        todo_wine ok(hr == S_FALSE, "got hr %#lx\n", hr);
-        todo_wine ok(!!henum, "got henum %p\n", henum);
+        ok(hr == S_FALSE, "got hr %#lx\n", hr);
+        ok(!!henum, "got henum %p\n", henum);
         buf_len2 = 0;
         hr = IMetaDataImport_CountEnum(md_import, henum, &buf_len2);
         ok(hr == S_OK, "got hr %#lx\n", hr);
-        todo_wine ok(buf_len2 == buf_len, "got buf_len2 %lu != %lu\n", buf_len2, buf_len);
+        ok(buf_len2 == buf_len, "got buf_len2 %lu != %lu\n", buf_len2, buf_len);
         IMetaDataImport_CloseEnum(md_import, henum);
 
         for (field_idx = 0; field_idx < buf_len; field_idx++)
@@ -1374,14 +1374,14 @@ static void test_IMetaDataImport(void)
             henum = NULL;
             fielddef = mdFieldDefNil;
             hr = IMetaDataImport_EnumMembersWithName(md_import, &henum, typedef2, name, &fielddef, 1, NULL);
-            todo_wine ok(hr == S_OK, "got hr %#lx\n", hr);
-            todo_wine ok(!!henum, "got henum %p\n", henum);
+            ok(hr == S_OK, "got hr %#lx\n", hr);
+            ok(!!henum, "got henum %p\n", henum);
             buf_len2 = 0;
             hr = IMetaDataImport_CountEnum(md_import, henum, &buf_len2);
             ok(hr == S_OK, "got hr %#lx\n", hr);
-            todo_wine ok(buf_len2 == 1, "got buf_len2 %lu\n", buf_len2);
-            todo_wine ok(fielddef == fielddef_tokens[field_idx], "got fielddef %s != %s\n", debugstr_mdToken(fielddef),
-                         debugstr_mdToken(fielddef_tokens[field_idx]));
+            ok(buf_len2 == 1, "got buf_len2 %lu\n", buf_len2);
+            ok(fielddef == fielddef_tokens[field_idx], "got fielddef %s != %s\n", debugstr_mdToken(fielddef),
+               debugstr_mdToken(fielddef_tokens[field_idx]));
             IMetaDataImport_CloseEnum(md_import, henum);
 
             fielddef = mdFieldDefNil;
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/11548

[PATCH v3 2/4] rometadata: Implement IMetaDataImport::FindMember.

[Vibhav Pant]

From: Vibhav Pant <[e-mail]>

---
 dlls/rometadata/mdtables.c         | 15 +++++++++++++--
 dlls/rometadata/tests/rometadata.c | 28 ++++++++++++++--------------
 2 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/dlls/rometadata/mdtables.c b/dlls/rometadata/mdtables.c
index 5559a058880..13e36a84c21 100644
--- a/dlls/rometadata/mdtables.c
+++ b/dlls/rometadata/mdtables.c
@@ -1115,8 +1115,19 @@ static HRESULT WINAPI import_EnumPermissionSets(IMetaDataImport *iface, HCORENUM
 static HRESULT WINAPI import_FindMember(IMetaDataImport *iface, mdTypeDef type_def, const WCHAR *name,
                                         const COR_SIGNATURE *sig_blob, ULONG len, mdToken *member_ref)
 {
-    FIXME("(%p, %#x, %s, %p, %lu, %p): stub!\n", iface, type_def, debugstr_w(name), sig_blob, len, member_ref);
-    return E_NOTIMPL;
+    HRESULT hr;
+
+    TRACE("(%p, %s, %s, %p, %lu, %p)\n", iface, debugstr_mdToken(type_def), debugstr_w(name), sig_blob, len,
+          member_ref);
+
+    if (!name) return E_INVALIDARG;
+    if (IsNilToken(type_def) || TypeFromToken(type_def) != mdtTypeDef) return S_FALSE;
+
+    /* If a method and a field have the same name, native returns the method. */
+    hr = IMetaDataImport_FindMethod(iface, type_def, name, sig_blob, len, member_ref);
+    if (hr == CLDB_E_RECORD_NOTFOUND)
+        hr = IMetaDataImport_FindField(iface, type_def, name, sig_blob, len, member_ref);
+    return hr;
 }
 
 static HRESULT WINAPI import_FindMethod(IMetaDataImport *iface, mdTypeDef type_def, const WCHAR *name,
diff --git a/dlls/rometadata/tests/rometadata.c b/dlls/rometadata/tests/rometadata.c
index 3dc29f77da4..733ded128b7 100644
--- a/dlls/rometadata/tests/rometadata.c
+++ b/dlls/rometadata/tests/rometadata.c
@@ -1204,14 +1204,14 @@ static void test_IMetaDataImport(void)
 
         token = mdTokenNil;
         hr = IMetaDataImport_FindMember(md_import, typedef2, name, sig_blob, sig_len, &token);
-        todo_wine ok(hr == S_OK, "got hr %#lx\n", hr);
-        todo_wine ok(token == methoddef_tokens[i], "got token %s != %s\n", debugstr_mdToken(token),
-                     debugstr_mdToken(methoddef_tokens[i]));
+        ok(hr == S_OK, "got hr %#lx\n", hr);
+        ok(token == methoddef_tokens[i], "got token %s != %s\n", debugstr_mdToken(token),
+           debugstr_mdToken(methoddef_tokens[i]));
         token = mdTokenNil;
         hr = IMetaDataImport_FindMember(md_import, typedef2, name, NULL, 0, &token);
-        todo_wine ok(hr == S_OK, "got hr %#lx\n", hr);
-        todo_wine ok(token == methoddef_tokens[i], "got token %s != %s\n", debugstr_mdToken(token),
-                     debugstr_mdToken(methoddef_tokens[i]));
+        ok(hr == S_OK, "got hr %#lx\n", hr);
+        ok(token == methoddef_tokens[i], "got token %s != %s\n", debugstr_mdToken(token),
+           debugstr_mdToken(methoddef_tokens[i]));
 
         henum2 = NULL;
         token = mdTokenNil;
@@ -1399,14 +1399,14 @@ static void test_IMetaDataImport(void)
 
             token = mdTokenNil;
             hr = IMetaDataImport_FindMember(md_import, typedef2, name, sig_blob, sig_len, &token);
-            todo_wine ok(hr == S_OK, "got hr %#lx\n", hr);
-            todo_wine ok(token == fielddef_tokens[field_idx], "got token %s != %s\n", debugstr_mdToken(token),
-                         debugstr_mdToken(fielddef_tokens[field_idx]));
+            ok(hr == S_OK, "got hr %#lx\n", hr);
+            ok(token == fielddef_tokens[field_idx], "got token %s != %s\n", debugstr_mdToken(token),
+               debugstr_mdToken(fielddef_tokens[field_idx]));
             token = mdTokenNil;
             hr = IMetaDataImport_FindMember(md_import, typedef2, name, NULL, 0, &token);
-            todo_wine ok(hr == S_OK, "got hr %#lx\n", hr);
-            todo_wine ok(token == fielddef_tokens[field_idx], "got token %s != %s\n", debugstr_mdToken(token),
-                         debugstr_mdToken(fielddef_tokens[field_idx]));
+            ok(hr == S_OK, "got hr %#lx\n", hr);
+            ok(token == fielddef_tokens[field_idx], "got token %s != %s\n", debugstr_mdToken(token),
+               debugstr_mdToken(fielddef_tokens[field_idx]));
 
             winetest_pop_context();
         }
@@ -1420,9 +1420,9 @@ static void test_IMetaDataImport(void)
     ok(hr == CLDB_E_RECORD_NOTFOUND, "got hr %#lx\n", hr);
 
     hr = IMetaDataImport_FindMember(md_import, typedef1, NULL, NULL, 0, &token);
-    todo_wine ok(hr == E_INVALIDARG, "got hr %#lx\n", hr);
+    ok(hr == E_INVALIDARG, "got hr %#lx\n", hr);
     hr = IMetaDataImport_FindMember(md_import, typedef1, L"foo", NULL, 0, &token);
-    todo_wine ok(hr == CLDB_E_RECORD_NOTFOUND, "got hr %#lx\n", hr);
+    ok(hr == CLDB_E_RECORD_NOTFOUND, "got hr %#lx\n", hr);
 
     typedef1 = buf_len = 0;
     data = NULL;
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/11548

[PATCH v3 3/4] rometadata: Add tests for IMetaDataImport::{EnumCustomAttributes, GetCustomAttributeProps}.

[Vibhav Pant]

From: Vibhav Pant <[e-mail]>

---
 dlls/rometadata/tests/rometadata.c | 46 +++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/dlls/rometadata/tests/rometadata.c b/dlls/rometadata/tests/rometadata.c
index 733ded128b7..f05e116a9fd 100644
--- a/dlls/rometadata/tests/rometadata.c
+++ b/dlls/rometadata/tests/rometadata.c
@@ -1,6 +1,6 @@
 /*
  * Copyright 2024 Zhiyi Zhang for CodeWeavers
- * Copyright 2025 Vibhav Pant
+ * Copyright 2025-2026 Vibhav Pant
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -1499,6 +1499,50 @@ static void test_IMetaDataImport(void)
             ok(set_method == mdMethodDefNil, "got set_method %#x\n", set_method);
         winetest_pop_context();
     }
+
+    henum = NULL;
+    buf_count = 0;
+    hr = IMetaDataImport_EnumTypeDefs(md_import, &henum, &typedef1, 1, &buf_count);
+    ok(hr == S_OK, "got hr %#lx\n", hr);
+    i = 0;
+    while (hr == S_OK && i < buf_count)
+    {
+        ULONG j = 0, buf_count2 = 0;
+        mdCustomAttribute attr;
+
+        henum2 = NULL;
+        winetest_push_context("i=%lu,typedef1=%s", i, debugstr_mdToken(typedef1));
+        hr = IMetaDataImport_EnumCustomAttributes(md_import, &henum2, typedef1, mdTokenNil, &attr, 1, &buf_count2);
+        todo_wine ok(hr == S_OK, "got hr %#lx\n", hr);
+        while (hr == S_OK && j < buf_count2)
+        {
+            mdToken obj = mdTokenNil, type = mdTokenNil;
+            const BYTE *blob = NULL;
+            ULONG blob_len = 0;
+
+            winetest_push_context("j=%lu,attr=%s", j, debugstr_mdToken(attr));
+            hr = IMetaDataImport_GetCustomAttributeProps(md_import, attr, &obj, &type, &blob, &blob_len);
+            ok(hr == S_OK, "got hr %#lx\n", hr);
+            ok(obj == typedef1, "got obj %s != %s\n", debugstr_mdToken(obj), debugstr_mdToken(typedef1));
+            ok(TypeFromToken(type) == mdtMemberRef || TypeFromToken(type) == mdtMethodDef, "got type %s\n", debugstr_mdToken(type));
+            ok(!!blob, "got blob %p\n", blob);
+            ok(!!blob_len, "got blob_len %lu\n", blob_len);
+            if (++j < buf_count2)
+            {
+                hr = IMetaDataImport_EnumCustomAttributes(md_import, &henum2, typedef1, mdTokenNil, &attr, 1, NULL);
+                ok(SUCCEEDED(hr), "got hr %#lx\n", hr);
+            }
+            winetest_pop_context();
+        }
+        IMetaDataImport_CloseEnum(md_import, henum2);
+        if (++i < buf_count)
+        {
+            hr = IMetaDataImport_EnumTypeDefs(md_import, &henum, &typedef1, 1, NULL);
+            ok(SUCCEEDED(hr), "got hr %#lx\n", hr);
+        }
+        winetest_pop_context();
+    }
+    IMetaDataImport_CloseEnum(md_import, henum);
     IMetaDataImport_Release(md_import);
 }
 
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/11548

[PATCH v3 4/4] MAINTAINERS: Add entry for WinRT Metadata.

[Vibhav Pant]

From: Vibhav Pant <[e-mail]>

---
 MAINTAINERS | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 9426d3f117c..02eadb08131 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -423,6 +423,10 @@ WinRT Devices
 P:	Vibhav Pant <[e-mail]> @vibhavp
 F:	dlls/windows.devices.enumeration/
 
+WinRT Metadata
+P:      Vibhav Pant <[e-mail]> @vibhavp
+F:      dlls/rometadata/
+
 X11 Driver
 M:	Alexandre Julliard <[e-mail]> @julliard
 P:	Rémi Bernon <[e-mail]> @rbernon
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/11548

[Vibhav Pant (＠vibhavp)]

On Wed Aug  5 21:27:13 2026 +0000, Hans Leidekker wrote:
> The MAINTAINERS change should go in a separate commit. Otherwise this
> looks good.
> Sure, added in v3, thanks.

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/11548#note_148113

[PATCH v3 0/4] MR11548: rometadata: IMetaDataImport implementation, part 4 - approved

[Hans Leidekker (＠hans)]

This merge request was approved by Hans Leidekker.
-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/11548