Add VARIANT and PROPVARIANT support

.github/workflows/clippy.yml

@@ -121,6 +121,7 @@ jobs:
           cargo clippy -p test_sys &&
           cargo clippy -p test_targets &&
           cargo clippy -p test_unions &&
+          cargo clippy -p test_variant &&
           cargo clippy -p test_wdk &&
           cargo clippy -p test_weak &&
           cargo clippy -p test_weak_ref &&

.github/workflows/test.yml

@@ -100,8 +100,8 @@ jobs:
           cargo test -p test_enums &&
           cargo test -p test_error &&
           cargo test -p test_event &&
-          cargo clean &&
           cargo test -p test_extensions &&
+          cargo clean &&
           cargo test -p test_handles &&
           cargo test -p test_helpers &&
           cargo test -p test_implement &&
@@ -129,6 +129,7 @@ jobs:
           cargo test -p test_sys &&
           cargo test -p test_targets &&
           cargo test -p test_unions &&
+          cargo test -p test_variant &&
           cargo test -p test_wdk &&
           cargo test -p test_weak &&
           cargo test -p test_weak_ref &&

crates/libs/bindgen/src/lib.rs

@@ -104,7 +104,7 @@ where
     let output = canonicalize(output)?;
 
     let input = read_input(&input)?;
-    let reader = metadata::Reader::filter(input, &include, &exclude);
+    let reader = metadata::Reader::filter(input, &include, &exclude, &config);
 
     winmd::verify(reader)?;
 

crates/libs/bindgen/src/metadata.rs

@@ -366,7 +366,7 @@ fn method_def_last_error(row: MethodDef) -> bool {
 pub fn type_is_borrowed(ty: &Type) -> bool {
     match ty {
         Type::TypeDef(row, _) => !type_def_is_blittable(*row),
-        Type::BSTR | Type::PCSTR | Type::PCWSTR | Type::IInspectable | Type::IUnknown | Type::GenericParam(_) => true,
+        Type::BSTR | Type::VARIANT | Type::PROPVARIANT | Type::PCSTR | Type::PCWSTR | Type::IInspectable | Type::IUnknown | Type::GenericParam(_) => true,
         _ => false,
     }
 }
@@ -495,7 +495,7 @@ pub fn field_is_copyable(row: Field, enclosing: TypeDef) -> bool {
 pub fn type_is_blittable(ty: &Type) -> bool {
     match ty {
         Type::TypeDef(row, _) => type_def_is_blittable(*row),
-        Type::String | Type::BSTR | Type::IInspectable | Type::IUnknown | Type::GenericParam(_) => false,
+        Type::String | Type::BSTR | Type::VARIANT | Type::PROPVARIANT | Type::IInspectable | Type::IUnknown | Type::GenericParam(_) => false,
         Type::Win32Array(kind, _) => type_is_blittable(kind),
         Type::WinrtArray(kind) => type_is_blittable(kind),
         _ => true,
@@ -505,7 +505,7 @@ pub fn type_is_blittable(ty: &Type) -> bool {
 fn type_is_copyable(ty: &Type) -> bool {
     match ty {
         Type::TypeDef(row, _) => type_def_is_copyable(*row),
-        Type::String | Type::BSTR | Type::IInspectable | Type::IUnknown | Type::GenericParam(_) => false,
+        Type::String | Type::BSTR | Type::VARIANT | Type::PROPVARIANT | Type::IInspectable | Type::IUnknown | Type::GenericParam(_) => false,
         Type::Win32Array(kind, _) => type_is_copyable(kind),
         Type::WinrtArray(kind) => type_is_copyable(kind),
         _ => true,

crates/libs/bindgen/src/rust/mod.rs

@@ -168,10 +168,10 @@ fn namespace(writer: &Writer, tree: &Tree) -> String {
         match item {
             metadata::Item::Type(def) => {
                 let type_name = def.type_name();
-                if metadata::REMAP_TYPES.iter().any(|(x, _)| x == &type_name) {
+                if writer.reader.remap_types().any(|(x, _)| x == &type_name) {
                     continue;
                 }
-                if metadata::CORE_TYPES.iter().any(|(x, _)| x == &type_name) {
+                if writer.reader.core_types().any(|(x, _)| x == &type_name) {
                     continue;
                 }
                 let name = type_name.name;
@@ -241,7 +241,7 @@ fn namespace_impl(writer: &Writer, tree: &Tree) -> String {
     for item in writer.reader.namespace_items(tree.namespace) {
         if let metadata::Item::Type(def) = item {
             let type_name = def.type_name();
-            if metadata::CORE_TYPES.iter().any(|(x, _)| x == &type_name) {
+            if writer.reader.core_types().any(|(x, _)| x == &type_name) {
                 continue;
             }
             if def.kind() != metadata::TypeKind::Interface {

crates/libs/bindgen/src/rust/writer.rs

@@ -118,6 +118,14 @@ impl Writer {
                 let crate_name = self.crate_name();
                 quote! { #crate_name BSTR }
             }
+            metadata::Type::VARIANT => {
+                let crate_name = self.crate_name();
+                quote! { #crate_name VARIANT }
+            }
+            metadata::Type::PROPVARIANT => {
+                let crate_name = self.crate_name();
+                quote! { #crate_name PROPVARIANT }
+            }
             metadata::Type::IInspectable => {
                 let crate_name = self.crate_name();
                 quote! { #crate_name IInspectable }
@@ -198,6 +206,12 @@ impl Writer {
             metadata::Type::BSTR => {
                 quote! { ::std::mem::MaybeUninit<::windows_core::BSTR> }
             }
+            metadata::Type::VARIANT => {
+                quote! { ::std::mem::MaybeUninit<::windows_core::VARIANT> }
+            }
+            metadata::Type::PROPVARIANT => {
+                quote! { ::std::mem::MaybeUninit<::windows_core::PROPVARIANT> }
+            }
             metadata::Type::Win32Array(kind, len) => {
                 let name = self.type_abi_name(kind);
                 let len = Literal::usize_unsuffixed(*len);