Bug 259100 – Fix clang-cl warnings of WebCore for Windows port

• Component: WebCore Misc.
• Status: RESOLVED FIXED

[Fujii Hironori]

clang-cl reports the following warnings:

C:\home\webkit\gc\Source\WebCore\platform\graphics\win\ComplexTextControllerUniscribe.cpp(141,9): warning: unused variable 'i' [-Wunused-variable]
    int i = 0;
        ^
C:\home\webkit\gc\Source\WebCore\platform\graphics\egl\GLContext.cpp(228,29): warning: enumeration value 'Windows' not handled in switch [-Wswitch]
    switch (platformDisplay.type()) {
            ~~~~~~~~~~~~~~~~^~~~~~
C:\home\webkit\gc\Source\WebCore\platform\graphics\egl\GLContext.cpp(359,33): warning: enumeration value 'Windows' not handled in switch [-Wswitch]
        switch (platformDisplay.type()) {
                ~~~~~~~~~~~~~~~~^~~~~~
C:\home\webkit\gc\Source\WebCore\platform\graphics\egl\GLContext.cpp(406,33): warning: enumeration value 'Windows' not handled in switch [-Wswitch]
        switch (platformDisplay.type()) {
                ~~~~~~~~~~~~~~~~^~~~~~

C:\home\webkit\gc\Source\WebCore\platform\win\KeyEventWin.cpp(238,7): warning: field 'm_windowsVirtualKeyCode' will be initialized after field 'm_autoRepeat' [-Wreorder-ctor]
    , m_windowsVirtualKeyCode((type == Type::RawKeyDown || type == Type::KeyUp) ? windowsKeycodeWithLocation(code, keyData) : 0)
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      m_key(type == PlatformEvent::Type::Char ? windowsKeyNames().domKeyFromChar(code) : windowsKeyNames().domKeyFromParams(code, keyData))


C:\home\webkit\gc\Source\WebCore\platform\win\PlatformMouseEventWin.cpp(86,7): warning: field 'm_buttons' will be initialized after field 'm_clickCount' [-Wreorder-ctor]
    , m_buttons(buttonsForEvent(wParam))
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      m_clickCount(0)

C:\home\webkit\gc\Source\WebCore\platform\win\WheelEventWin.cpp(78,7): warning: field 'm_globalPosition' will be initialized after field 'm_directionInvertedFromDevice' [-Wreorder-ctor]
    , m_globalPosition(globalPositionForEvent(hWnd, lParam))
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      m_position(positionForEvent(hWnd, lParam))

C:\home\webkit\gc\Source\WebCore\platform\graphics\win\MediaPlayerPrivateMediaFoundation.cpp(84,13): warning: delete called on non-final 'WebCore::MediaPlayerPrivateMediaFoundation::AsyncCallback' that has virtual functions but non-virtual destructor [-Wdelete-non-abstract-non-virtual-dtor]
            delete this;
            ^
C:\home\webkit\gc\Source\WebCore\platform\graphics\win\MediaPlayerPrivateMediaFoundation.cpp(2834,26): warning: unused variable 'image' [-Wunused-variable]
        cairo_surface_t* image = nullptr;
                         ^
C:\home\webkit\gc\Source\WebCore\Modules/async-clipboard/ClipboardItemBindingsDataSource.cpp(154,31): warning: lambda capture 'this' is not used [-Wunused-lambda-capture]
        promise->whenSettled([this, protectedItem = Ref { m_item }, destination = m_writingDestination, promise, type, weakItemTypeLoader = WTFMove(wl)] () mutable {
                              ^
C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.36.32532\include\type_traits(1484,21): note: in instantiation of function template specialization 'WebCore::ClipboardItemBindingsDataSource::collectDataForWriting(Clipboard &, CompletionHandler<void (std::optional<PasteboardCustomData>)> &&)::(anonymous class)::operator()<const WTF::KeyValuePair<WTF::String, WTF::RefPtr<WebCore::DOMPromise>>>' requested here
        -> decltype(static_cast<_Callable&&>(_Obj)(static_cast<_Types&&>(_Args)...)) {
                    ^
C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.36.32532\include\type_traits(1686,43): note: while substituting deduced template arguments into function template '_Call' [with _Callable = (lambda at C:\home\webkit\gc\Source\WebCore\Modules/async-clipboard/ClipboardItemBindingsDataSource.cpp:143:44), _Types = <const WTF::KeyValuePair<WTF::String, WTF::RefPtr<WebCore::DOMPromise>> &>]
using _Decltype_invoke_nonzero = decltype(_Invoker1<_Callable, _Ty1>::_Call(
                                          ^
C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.36.32532\include\type_traits(1690,38): note: in instantiation of template type alias '_Decltype_invoke_nonzero' requested here
struct _Invoke_traits_nonzero<void_t<_Decltype_invoke_nonzero<_Callable, _Ty1, _Types2...>>, _Callable, _Ty1,
                                     ^
C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.36.32532\include\type_traits(1747,40): note: during template argument deduction for class template partial specialization '_Invoke_traits_nonzero<void_t<_Decltype_invoke_nonzero<_Callable, _Ty1, _Types2...>>, _Callable, _Ty1, _Types2...>' [with _Callable = (lambda at C:\home\webkit\gc\Source\WebCore\Modules/async-clipboard/ClipboardItemBindingsDataSource.cpp:143:44), _Ty1 = const WTF::KeyValuePair<WTF::String, WTF::RefPtr<WebCore::DOMPromise>> &, _Types2 = <>]
inline constexpr bool is_invocable_v = _Select_invoke_traits<_Callable, _Args...>::_Is_invocable::value;
                                       ^
C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.36.32532\include\type_traits(1747,40): note: in instantiation of template class 'std::_Invoke_traits_nonzero<void, (lambda at C:\home\webkit\gc\Source\WebCore\Modules/async-clipboard/ClipboardItemBindingsDataSource.cpp:143:44), const WTF::KeyValuePair<WTF::String, WTF::RefPtr<WebCore::DOMPromise>> &>' requested here
C:\home\webkit\gc\WebKitBuild\Debug\WTF\Headers\wtf/Vector.h(911,60): note: in instantiation of variable template specialization 'std::is_invocable_v<(lambda at C:\home\webkit\gc\Source\WebCore\Modules/async-clipboard/ClipboardItemBindingsDataSource.cpp:143:44), const WTF::KeyValuePair<WTF::String, WTF::RefPtr<WebCore::DOMPromise>> &>' requested here
    auto map(MapFunction&&) const -> std::enable_if_t<std::is_invocable_v<MapFunction, const T&>, Vector<typename std::invoke_result_t<MapFunction, const T&>>>;
                                                           ^
C:\home\webkit\gc\Source\WebCore\Modules/async-clipboard/ClipboardItemBindingsDataSource.cpp(143,40): note: while substituting deduced template arguments into function template 'map' [with MapFunction = (lambda at C:\home\webkit\gc\Source\WebCore\Modules/async-clipboard/ClipboardItemBindingsDataSource.cpp:143:44)]
    m_itemTypeLoaders = m_itemPromises.map([&] (auto& typeAndItem) {
                                       ^
C:\home\webkit\gc\Source\WebCore\dom/FullscreenManager.cpp(299,65): warning: lambda capture 'this' is not used [-Wunused-lambda-capture]
    m_document.eventLoop().queueTask(TaskSource::MediaElement, [this, weakThis = WeakPtr { *this }, topDocument = WTFMove(topDocument), identifier = LOGIDENTIFIER] {
                                                                ^~~~~
C:\home\webkit\gc\Source\WebCore\rendering\RenderTable.h(66,23): warning: inline function 'WebCore::RenderTable::borderTop' is not defined [-Wundefined-inline]
    inline LayoutUnit borderTop() const override;
                      ^
C:\home\webkit\gc\Source\WebCore\rendering\mathml\RenderMathMLBlockInlines.h(37,27): note: used here
inline RenderMathMLTable::RenderMathMLTable(MathMLElement& element, RenderStyle&& style)
                          ^
In file included from C:\home\webkit\gc\WebKitBuild\Debug\WebCore\DerivedSources\unified-sources\UnifiedSource-30d54728-2.cpp:1:
In file included from C:\home\webkit\gc\Source\WebCore\mathml/MathMLPresentationElement.cpp:41:
In file included from C:\home\webkit\gc\Source\WebCore\rendering\mathml\RenderMathMLBlockInlines.h:32:
In file included from C:\home\webkit\gc\Source\WebCore\rendering\mathml/RenderMathMLBlock.h:34:
C:\home\webkit\gc\Source\WebCore\rendering\RenderTable.h(67,23): warning: inline function 'WebCore::RenderTable::borderBottom' is not defined [-Wundefined-inline]
    inline LayoutUnit borderBottom() const override;
                      ^
C:\home\webkit\gc\Source\WebCore\rendering\mathml\RenderMathMLBlockInlines.h(37,27): note: used here
inline RenderMathMLTable::RenderMathMLTable(MathMLElement& element, RenderStyle&& style)
                          ^

[Fujii Hironori]

Pull request: https://github.com/WebKit/WebKit/pull/15732

[EWS]

Committed 266001@main (afbcfab2cefd): <https://commits.webkit.org/266001@main>

Reviewed commits have been landed. Closing PR #15732 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/112153325>