[Webkit-unassigned] [Bug 93477] New: 1.9.6 drops symbols, breaking compatibility

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=93477

           Summary: 1.9.6 drops symbols, breaking compatibility
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit API
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: seb128 at debian.org


The Debian,Ubuntu build system do keep track of the symbols exported by libraries, the 1.9.2 to 1.9.6 update ran into warnings about symbols being dropped, some were in the public api (install .h)

+#MISSING: 1.9.6# (optional|c++)"DumpRenderTreeSupportGtk::counterValueForElementById(_WebKitWebFrame*, char const*)@Base" 1.3.13
+#MISSING: 1.9.6# (optional|c++)"DumpRenderTreeSupportGtk::decrementAccessibilityValue(_AtkObject*)@Base" 1.5.1
+#MISSING: 1.9.6# (optional|c++)"DumpRenderTreeSupportGtk::dumpConfigurationForViewport(_WebKitWebView*, int, int, int, int, int)@Base" 1.3.13
+#MISSING: 1.9.6# (optional|c++)"DumpRenderTreeSupportGtk::incrementAccessibilityValue(_AtkObject*)@Base" 1.5.1
+#MISSING: 1.9.6# (optional|c++)"DumpRenderTreeSupportGtk::isPageBoxVisible(_WebKitWebFrame*, int)@Base" 1.3.13
+#MISSING: 1.9.6# (optional|c++)"DumpRenderTreeSupportGtk::pageNumberForElementById(_WebKitWebFrame*, char const*, float, float)@Base" 1.3.13
+#MISSING: 1.9.6# (optional|c++)"DumpRenderTreeSupportGtk::resumeAnimations(_WebKitWebFrame*)@Base" 1.3.13
+#MISSING: 1.9.6# (optional|c++)"DumpRenderTreeSupportGtk::setHixie76WebSocketProtocolEnabled(_WebKitWebView*, bool)@Base" 1.7.4
+#MISSING: 1.9.6# (optional|c++)"DumpRenderTreeSupportGtk::suspendAnimations(_WebKitWebFrame*)@Base" 1.3.13
+#MISSING: 1.9.6# GetBehavior at Base 1.7.4
+#MISSING: 1.9.6# (optional|c++)"WebCore::ClientRectList::ClientRectList(WTF::Vector<WebCore::FloatQuad, 0ul> const&)@Base" 1.9.2
+#MISSING: 1.9.6# (optional|c++)"WebCore::ComposedShadowTreeWalker::ComposedShadowTreeWalker(WebCore::Node const*, WebCore::ComposedShadowTreeWalker::Policy)@Base" 1.9.2
+#MISSING: 1.9.6# (optional|c++)"WebCore::Element::hasShadowRoot() const at Base" 1.7.90
+#MISSING: 1.9.6# (optional|c++)"WebCore::Element::shadowTree() const at Base" 1.9.2
+#MISSING: 1.9.6# (optional|c++)"WebCore::FrameDestructionObserver::FrameDestructionObserver(WebCore::Frame*)@Base" 1.7.5
+#MISSING: 1.9.6# (optional|c++)"WebCore::FrameDestructionObserver::frameDestroyed()@Base" 1.7.5
+#MISSING: 1.9.6# (optional|c++)"WebCore::FrameDestructionObserver::observeFrame(WebCore::Frame*)@Base" 1.7.5
+#MISSING: 1.9.6# (optional|c++)"WebCore::FrameDestructionObserver::willDetachPage()@Base" 1.9.2
+#MISSING: 1.9.6# (optional|c++)"WebCore::FrameDestructionObserver::~FrameDestructionObserver()@Base" 1.7.5
+#MISSING: 1.9.6# (optional|c++)"WebCore::ShadowTree::removeAllShadowRoots()@Base" 1.9.2
+#MISSING: 1.9.6# (optional|c++)"WebCore::TextIterator::getLocationAndLengthFromRange(WebCore::Element*, WebCore::Range const*, unsigned long&, unsigned long&)@Base" 1.7.4
+#MISSING: 1.9.6# (optional|c++)"WebCore::TextIterator::rangeFromLocationAndLength(WebCore::Element*, int, int, bool)@Base" 1.7.4
+#MISSING: 1.9.6# (optional|c++)"WebCore::jsStringSlowCase(JSC::ExecState*, WTF::HashMap<WTF::StringImpl*, JSC::Weak<JSC::JSString>, WTF::StringHash, WTF::HashTraits<WTF::StringImpl*>, WTF::HashTraits<JSC::Weak<JSC::JSString> > >&, WTF::StringImpl*)@Base" 1.5.2
+#MISSING: 1.9.6# (optional|c++)"WebCore::overrideUserPreferredLanguages(WTF::Vector<WTF::String, 0ul> const&)@Base" 1.7.5
...
+#MISSING: 1.9.6# webkit_dom_document_set_document_uri at Base 1.3.10
+#MISSING: 1.9.6# webkit_dom_html_element_get_class_name at Base 1.3.10
+#MISSING: 1.9.6# webkit_dom_html_element_set_class_name at Base 1.3.10
...
+#MISSING: 1.9.6# webkit_dom_webkit_named_flow_get_content_nodes at Base 1.9.2
+#MISSING: 1.9.6# webkit_dom_webkit_named_flow_get_overflow at Base 1.7.90
+#MISSING: 1.9.6# webkit_dom_webkit_named_flow_get_regions_by_content_node at Base 1.9.2
...
+#MISSING: 1.9.6# webkit_video_sink_get_type at Base 1.3.10
+#MISSING: 1.9.6# webkit_video_sink_new at Base 1.3.10


Not sure about the c++ ones but at least those are listed in the public apis:

webkit_dom_webkit_named_flow_get_overflow
webkit_dom_document_set_document_uri
webkit_dom_html_element_get_class_name
webkit_dom_html_element_set_class_name

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