| File: | var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp |
| Warning: | line 736, column 5 Value stored to 'rv' is never read |
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| 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 5 | * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ |
| 6 | |
| 7 | #include "nsCOMPtr.h" |
| 8 | #include "mozilla/dom/PrototypeDocumentContentSink.h" |
| 9 | #include "nsIParser.h" |
| 10 | #include "mozilla/dom/Document.h" |
| 11 | #include "mozilla/dom/URL.h" |
| 12 | #include "nsIContent.h" |
| 13 | #include "nsIURI.h" |
| 14 | #include "nsNetUtil.h" |
| 15 | #include "nsHTMLParts.h" |
| 16 | #include "nsCRT.h" |
| 17 | #include "mozilla/StyleSheetInlines.h" |
| 18 | #include "mozilla/css/Loader.h" |
| 19 | #include "nsGkAtoms.h" |
| 20 | #include "nsContentUtils.h" |
| 21 | #include "nsDocElementCreatedNotificationRunner.h" |
| 22 | #include "nsIScriptContext.h" |
| 23 | #include "nsNameSpaceManager.h" |
| 24 | #include "nsIScriptError.h" |
| 25 | #include "prtime.h" |
| 26 | #include "mozilla/Logging.h" |
| 27 | #include "nsRect.h" |
| 28 | #include "nsIScriptElement.h" |
| 29 | #include "nsReadableUtils.h" |
| 30 | #include "nsUnicharUtils.h" |
| 31 | #include "nsIChannel.h" |
| 32 | #include "nsNodeInfoManager.h" |
| 33 | #include "nsContentCreatorFunctions.h" |
| 34 | #include "nsIContentPolicy.h" |
| 35 | #include "nsContentPolicyUtils.h" |
| 36 | #include "nsError.h" |
| 37 | #include "nsIScriptGlobalObject.h" |
| 38 | #include "mozAutoDocUpdate.h" |
| 39 | #include "nsMimeTypes.h" |
| 40 | #include "nsHtml5SVGLoadDispatcher.h" |
| 41 | #include "nsTextNode.h" |
| 42 | #include "mozilla/dom/AutoEntryScript.h" |
| 43 | #include "mozilla/dom/CDATASection.h" |
| 44 | #include "mozilla/dom/Comment.h" |
| 45 | #include "mozilla/dom/DocumentType.h" |
| 46 | #include "mozilla/dom/Element.h" |
| 47 | #include "mozilla/dom/HTMLTemplateElement.h" |
| 48 | #include "mozilla/dom/ProcessingInstruction.h" |
| 49 | #include "mozilla/dom/XMLStylesheetProcessingInstruction.h" |
| 50 | #include "mozilla/dom/ScriptLoader.h" |
| 51 | #include "mozilla/LoadInfo.h" |
| 52 | #include "mozilla/PresShell.h" |
| 53 | #include "mozilla/ProfilerLabels.h" |
| 54 | #include "mozilla/RefPtr.h" |
| 55 | #include "mozilla/Try.h" |
| 56 | |
| 57 | #include "nsXULPrototypeCache.h" |
| 58 | #include "nsXULElement.h" |
| 59 | #include "mozilla/CycleCollectedJSContext.h" |
| 60 | #include "js/CompilationAndEvaluation.h" |
| 61 | #include "js/experimental/JSStencil.h" |
| 62 | #include "js/Utility.h" // JS::FreePolicy |
| 63 | |
| 64 | using namespace mozilla; |
| 65 | using namespace mozilla::dom; |
| 66 | |
| 67 | LazyLogModule PrototypeDocumentContentSink::gLog("PrototypeDocument"); |
| 68 | |
| 69 | nsresult NS_NewPrototypeDocumentContentSink(nsIContentSink** aResult, |
| 70 | Document* aDoc, nsIURI* aURI, |
| 71 | nsISupports* aContainer, |
| 72 | nsIChannel* aChannel) { |
| 73 | MOZ_ASSERT(nullptr != aResult, "null ptr")do { static_assert( mozilla::detail::AssertionConditionType< decltype(nullptr != aResult)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(nullptr != aResult))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("nullptr != aResult" " (" "null ptr" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 73); AnnotateMozCrashReason("MOZ_ASSERT" "(" "nullptr != aResult" ") (" "null ptr" ")"); do { *((volatile int*)__null) = 73; __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 74 | if (nullptr == aResult) { |
| 75 | return NS_ERROR_NULL_POINTER; |
| 76 | } |
| 77 | RefPtr<PrototypeDocumentContentSink> it = new PrototypeDocumentContentSink(); |
| 78 | |
| 79 | nsresult rv = it->Init(aDoc, aURI, aContainer, aChannel); |
| 80 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 80); return rv; } } while (false); |
| 81 | |
| 82 | it.forget(aResult); |
| 83 | return NS_OK; |
| 84 | } |
| 85 | |
| 86 | namespace mozilla::dom { |
| 87 | |
| 88 | PrototypeDocumentContentSink::PrototypeDocumentContentSink() |
| 89 | : mNextSrcLoadWaiter(nullptr), |
| 90 | mCurrentScriptProto(nullptr), |
| 91 | mOffThreadCompiling(false), |
| 92 | mStillWalking(false), |
| 93 | mPendingSheets(0) {} |
| 94 | |
| 95 | PrototypeDocumentContentSink::~PrototypeDocumentContentSink() { |
| 96 | NS_ASSERTION(do { if (!(mNextSrcLoadWaiter == nullptr)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "unreferenced document still waiting for script source to load?" , "mNextSrcLoadWaiter == nullptr", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 98); MOZ_PretendNoReturn(); } } while (0) |
| 97 | mNextSrcLoadWaiter == nullptr,do { if (!(mNextSrcLoadWaiter == nullptr)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "unreferenced document still waiting for script source to load?" , "mNextSrcLoadWaiter == nullptr", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 98); MOZ_PretendNoReturn(); } } while (0) |
| 98 | "unreferenced document still waiting for script source to load?")do { if (!(mNextSrcLoadWaiter == nullptr)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "unreferenced document still waiting for script source to load?" , "mNextSrcLoadWaiter == nullptr", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 98); MOZ_PretendNoReturn(); } } while (0); |
| 99 | } |
| 100 | |
| 101 | nsresult PrototypeDocumentContentSink::Init(Document* aDoc, nsIURI* aURI, |
| 102 | nsISupports* aContainer, |
| 103 | nsIChannel* aChannel) { |
| 104 | MOZ_ASSERT(aDoc, "null ptr")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aDoc)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aDoc))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("aDoc" " (" "null ptr" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 104); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aDoc" ") (" "null ptr" ")"); do { *((volatile int*)__null) = 104; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 105 | MOZ_ASSERT(aURI, "null ptr")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aURI)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(aURI))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("aURI" " (" "null ptr" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 105); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aURI" ") (" "null ptr" ")"); do { *((volatile int*)__null) = 105; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 106 | |
| 107 | mDocument = aDoc; |
| 108 | |
| 109 | mDocument->SetDelayFrameLoaderInitialization(true); |
| 110 | mDocument->SetMayStartLayout(false); |
| 111 | |
| 112 | // Get the URI. this should match the uri used for the OnNewURI call in |
| 113 | // nsDocShell::CreateDocumentViewer. |
| 114 | nsresult rv = NS_GetFinalChannelURI(aChannel, getter_AddRefs(mDocumentURI)); |
| 115 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 115); return rv; } } while (false); |
| 116 | |
| 117 | mScriptLoader = mDocument->ScriptLoader(); |
| 118 | |
| 119 | return NS_OK; |
| 120 | } |
| 121 | |
| 122 | NS_IMPL_CYCLE_COLLECTION(PrototypeDocumentContentSink, mParser, mDocumentURI,PrototypeDocumentContentSink::cycleCollection PrototypeDocumentContentSink ::_cycleCollectorGlobal; void PrototypeDocumentContentSink::cycleCollection ::Unlink(void* p) { PrototypeDocumentContentSink* tmp = DowncastCCParticipant <PrototypeDocumentContentSink>(p); ImplCycleCollectionUnlink (tmp->mParser); ImplCycleCollectionUnlink(tmp->mDocumentURI ); ImplCycleCollectionUnlink(tmp->mDocument); ImplCycleCollectionUnlink (tmp->mScriptLoader); ImplCycleCollectionUnlink(tmp->mContextStack ); ImplCycleCollectionUnlink(tmp->mCurrentPrototype); (void )tmp; } nsresult PrototypeDocumentContentSink::cycleCollection ::TraverseNative( void* p, nsCycleCollectionTraversalCallback & cb) { PrototypeDocumentContentSink* tmp = DowncastCCParticipant <PrototypeDocumentContentSink>(p); cb.DescribeRefCountedNode (tmp->mRefCnt.get(), "PrototypeDocumentContentSink"); ImplCycleCollectionTraverse (cb, tmp->mParser, "mParser", 0); ImplCycleCollectionTraverse (cb, tmp->mDocumentURI, "mDocumentURI", 0); ImplCycleCollectionTraverse (cb, tmp->mDocument, "mDocument", 0); ImplCycleCollectionTraverse (cb, tmp->mScriptLoader, "mScriptLoader", 0); ImplCycleCollectionTraverse (cb, tmp->mContextStack, "mContextStack", 0); ImplCycleCollectionTraverse (cb, tmp->mCurrentPrototype, "mCurrentPrototype", 0); (void )tmp; return NS_OK; } |
| 123 | mDocument, mScriptLoader, mContextStack,PrototypeDocumentContentSink::cycleCollection PrototypeDocumentContentSink ::_cycleCollectorGlobal; void PrototypeDocumentContentSink::cycleCollection ::Unlink(void* p) { PrototypeDocumentContentSink* tmp = DowncastCCParticipant <PrototypeDocumentContentSink>(p); ImplCycleCollectionUnlink (tmp->mParser); ImplCycleCollectionUnlink(tmp->mDocumentURI ); ImplCycleCollectionUnlink(tmp->mDocument); ImplCycleCollectionUnlink (tmp->mScriptLoader); ImplCycleCollectionUnlink(tmp->mContextStack ); ImplCycleCollectionUnlink(tmp->mCurrentPrototype); (void )tmp; } nsresult PrototypeDocumentContentSink::cycleCollection ::TraverseNative( void* p, nsCycleCollectionTraversalCallback & cb) { PrototypeDocumentContentSink* tmp = DowncastCCParticipant <PrototypeDocumentContentSink>(p); cb.DescribeRefCountedNode (tmp->mRefCnt.get(), "PrototypeDocumentContentSink"); ImplCycleCollectionTraverse (cb, tmp->mParser, "mParser", 0); ImplCycleCollectionTraverse (cb, tmp->mDocumentURI, "mDocumentURI", 0); ImplCycleCollectionTraverse (cb, tmp->mDocument, "mDocument", 0); ImplCycleCollectionTraverse (cb, tmp->mScriptLoader, "mScriptLoader", 0); ImplCycleCollectionTraverse (cb, tmp->mContextStack, "mContextStack", 0); ImplCycleCollectionTraverse (cb, tmp->mCurrentPrototype, "mCurrentPrototype", 0); (void )tmp; return NS_OK; } |
| 124 | mCurrentPrototype)PrototypeDocumentContentSink::cycleCollection PrototypeDocumentContentSink ::_cycleCollectorGlobal; void PrototypeDocumentContentSink::cycleCollection ::Unlink(void* p) { PrototypeDocumentContentSink* tmp = DowncastCCParticipant <PrototypeDocumentContentSink>(p); ImplCycleCollectionUnlink (tmp->mParser); ImplCycleCollectionUnlink(tmp->mDocumentURI ); ImplCycleCollectionUnlink(tmp->mDocument); ImplCycleCollectionUnlink (tmp->mScriptLoader); ImplCycleCollectionUnlink(tmp->mContextStack ); ImplCycleCollectionUnlink(tmp->mCurrentPrototype); (void )tmp; } nsresult PrototypeDocumentContentSink::cycleCollection ::TraverseNative( void* p, nsCycleCollectionTraversalCallback & cb) { PrototypeDocumentContentSink* tmp = DowncastCCParticipant <PrototypeDocumentContentSink>(p); cb.DescribeRefCountedNode (tmp->mRefCnt.get(), "PrototypeDocumentContentSink"); ImplCycleCollectionTraverse (cb, tmp->mParser, "mParser", 0); ImplCycleCollectionTraverse (cb, tmp->mDocumentURI, "mDocumentURI", 0); ImplCycleCollectionTraverse (cb, tmp->mDocument, "mDocument", 0); ImplCycleCollectionTraverse (cb, tmp->mScriptLoader, "mScriptLoader", 0); ImplCycleCollectionTraverse (cb, tmp->mContextStack, "mContextStack", 0); ImplCycleCollectionTraverse (cb, tmp->mCurrentPrototype, "mCurrentPrototype", 0); (void )tmp; return NS_OK; } |
| 125 | |
| 126 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PrototypeDocumentContentSink)nsresult PrototypeDocumentContentSink::QueryInterface(const nsIID & aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "QueryInterface requires a non-NULL destination!" , "aInstancePtr", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 126); MOZ_PretendNoReturn(); } } while (0); nsISupports* foundInterface ; if (TopThreeWordsEquals( aIID, (nsXPCOMCycleCollectionParticipant ::COMTypeInfo<nsXPCOMCycleCollectionParticipant, void>:: kIID), (nsCycleCollectionISupports::COMTypeInfo<nsCycleCollectionISupports , void>::kIID)) && (LowWordEquals(aIID, (nsXPCOMCycleCollectionParticipant ::COMTypeInfo<nsXPCOMCycleCollectionParticipant, void>:: kIID)) || LowWordEquals(aIID, (nsCycleCollectionISupports::COMTypeInfo <nsCycleCollectionISupports, void>::kIID)))) { if (LowWordEquals (aIID, (nsXPCOMCycleCollectionParticipant::COMTypeInfo<nsXPCOMCycleCollectionParticipant , void>::kIID))) { *aInstancePtr = PrototypeDocumentContentSink ::cycleCollection::GetParticipant(); return NS_OK; } if (LowWordEquals (aIID, (nsCycleCollectionISupports::COMTypeInfo<nsCycleCollectionISupports , void>::kIID))) { *aInstancePtr = PrototypeDocumentContentSink ::cycleCollection::Upcast(this); return NS_OK; } foundInterface = nullptr; } else |
| 127 | NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContentSink)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsISupports>)) foundInterface = static_cast <nsISupports*>(static_cast<nsIContentSink*>(this) ); else |
| 128 | NS_INTERFACE_MAP_ENTRY(nsIContentSink)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIContentSink>)) foundInterface = static_cast<nsIContentSink*>(this); else |
| 129 | NS_INTERFACE_MAP_ENTRY(nsIStreamLoaderObserver)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIStreamLoaderObserver>)) foundInterface = static_cast<nsIStreamLoaderObserver*>(this); else |
| 130 | NS_INTERFACE_MAP_ENTRY(nsICSSLoaderObserver)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsICSSLoaderObserver>)) foundInterface = static_cast<nsICSSLoaderObserver*>(this); else |
| 131 | NS_INTERFACE_MAP_ENTRY(nsIOffThreadScriptReceiver)if (aIID.Equals(mozilla::detail::kImplementedIID<std::remove_reference_t <decltype(*this)>, nsIOffThreadScriptReceiver>)) foundInterface = static_cast<nsIOffThreadScriptReceiver*>(this); else |
| 132 | NS_INTERFACE_MAP_ENDfoundInterface = 0; nsresult status; if (!foundInterface) { do { static_assert( mozilla::detail::AssertionConditionType< decltype(!aIID.Equals((nsISupports::COMTypeInfo<nsISupports , void>::kIID)))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!aIID.Equals((nsISupports::COMTypeInfo <nsISupports, void>::kIID))))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("!aIID.Equals((nsISupports::COMTypeInfo<nsISupports, void>::kIID))" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 132); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!aIID.Equals((nsISupports::COMTypeInfo<nsISupports, void>::kIID))" ")"); do { *((volatile int*)__null) = 132; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); status = NS_NOINTERFACE ; } else { (foundInterface)->AddRef(); status = NS_OK; } * aInstancePtr = foundInterface; return status; } |
| 133 | |
| 134 | NS_IMPL_CYCLE_COLLECTING_ADDREF(PrototypeDocumentContentSink)MozExternalRefCountType PrototypeDocumentContentSink::AddRef( void) { static_assert(!std::is_destructible_v<PrototypeDocumentContentSink >, "Reference-counted class " "PrototypeDocumentContentSink" " should not have a public destructor. " "Make this class's destructor non-public" ); do { static_assert( mozilla::detail::AssertionConditionType <decltype(int32_t(mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 134); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { *((volatile int*)__null) = 134; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("PrototypeDocumentContentSink" " not thread-safe"); nsISupports* base = PrototypeDocumentContentSink ::cycleCollection::Upcast(this); nsrefcnt count = mRefCnt.incr (base); NS_LogAddRef((this), (count), ("PrototypeDocumentContentSink" ), (uint32_t)(sizeof(*this))); return count; } |
| 135 | NS_IMPL_CYCLE_COLLECTING_RELEASE(PrototypeDocumentContentSink)MozExternalRefCountType PrototypeDocumentContentSink::Release (void) { do { static_assert( mozilla::detail::AssertionConditionType <decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) > 0))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 135); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { *((volatile int*)__null) = 135 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); _mOwningThread.AssertOwnership("PrototypeDocumentContentSink" " not thread-safe"); nsISupports* base = PrototypeDocumentContentSink ::cycleCollection::Upcast(this); nsrefcnt count = mRefCnt.decr (base); NS_LogRelease((this), (count), ("PrototypeDocumentContentSink" )); return count; } void PrototypeDocumentContentSink::DeleteCycleCollectable (void) { delete (this); } |
| 136 | |
| 137 | //---------------------------------------------------------------------- |
| 138 | // |
| 139 | // nsIContentSink interface |
| 140 | // |
| 141 | |
| 142 | void PrototypeDocumentContentSink::SetDocumentCharset( |
| 143 | NotNull<const Encoding*> aEncoding) { |
| 144 | if (mDocument) { |
| 145 | mDocument->SetDocumentCharacterSet(aEncoding); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | nsISupports* PrototypeDocumentContentSink::GetTarget() { |
| 150 | return ToSupports(mDocument); |
| 151 | } |
| 152 | |
| 153 | bool PrototypeDocumentContentSink::IsScriptExecuting() { |
| 154 | return !!mScriptLoader->GetCurrentScript(); |
| 155 | } |
| 156 | |
| 157 | NS_IMETHODIMPnsresult |
| 158 | PrototypeDocumentContentSink::SetParser(nsParserBase* aParser) { |
| 159 | MOZ_ASSERT(aParser, "Should have a parser here!")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aParser)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aParser))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aParser" " (" "Should have a parser here!" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 159); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aParser" ") (" "Should have a parser here!" ")"); do { *((volatile int*)__null ) = 159; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); |
| 160 | mParser = aParser; |
| 161 | return NS_OK; |
| 162 | } |
| 163 | |
| 164 | nsIParser* PrototypeDocumentContentSink::GetParser() { |
| 165 | return static_cast<nsIParser*>(mParser.get()); |
| 166 | } |
| 167 | |
| 168 | void PrototypeDocumentContentSink::ContinueInterruptedParsingIfEnabled() { |
| 169 | if (mParser && mParser->IsParserEnabled()) { |
| 170 | GetParser()->ContinueInterruptedParsing(); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | void PrototypeDocumentContentSink::ContinueInterruptedParsingAsync() { |
| 175 | nsCOMPtr<nsIRunnable> ev = NewRunnableMethod( |
| 176 | "PrototypeDocumentContentSink::ContinueInterruptedParsingIfEnabled", this, |
| 177 | &PrototypeDocumentContentSink::ContinueInterruptedParsingIfEnabled); |
| 178 | mDocument->Dispatch(ev.forget()); |
| 179 | } |
| 180 | |
| 181 | //---------------------------------------------------------------------- |
| 182 | // |
| 183 | // PrototypeDocumentContentSink::ContextStack |
| 184 | // |
| 185 | |
| 186 | PrototypeDocumentContentSink::ContextStack::ContextStack() |
| 187 | : mTop(nullptr), mDepth(0) {} |
| 188 | |
| 189 | PrototypeDocumentContentSink::ContextStack::~ContextStack() { Clear(); } |
| 190 | |
| 191 | void PrototypeDocumentContentSink::ContextStack::Traverse( |
| 192 | nsCycleCollectionTraversalCallback& aCallback, const char* aName, |
| 193 | uint32_t aFlags) { |
| 194 | aFlags |= CycleCollectionEdgeNameArrayFlag; |
| 195 | Entry* current = mTop; |
| 196 | while (current) { |
| 197 | CycleCollectionNoteChild(aCallback, current->mElement, aName, aFlags); |
| 198 | current = current->mNext; |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | void PrototypeDocumentContentSink::ContextStack::Clear() { |
| 203 | while (mTop) { |
| 204 | Entry* doomed = mTop; |
| 205 | mTop = mTop->mNext; |
| 206 | NS_IF_RELEASE(doomed->mElement)do { if (doomed->mElement) { (doomed->mElement)->Release (); (doomed->mElement) = 0; } } while (0); |
| 207 | delete doomed; |
| 208 | } |
| 209 | mDepth = 0; |
| 210 | } |
| 211 | |
| 212 | nsresult PrototypeDocumentContentSink::ContextStack::Push( |
| 213 | nsXULPrototypeElement* aPrototype, nsIContent* aElement) { |
| 214 | Entry* entry = new Entry; |
| 215 | entry->mPrototype = aPrototype; |
| 216 | entry->mElement = aElement; |
| 217 | NS_IF_ADDREF(entry->mElement)ns_if_addref(entry->mElement); |
| 218 | entry->mIndex = 0; |
| 219 | |
| 220 | entry->mNext = mTop; |
| 221 | mTop = entry; |
| 222 | |
| 223 | ++mDepth; |
| 224 | return NS_OK; |
| 225 | } |
| 226 | |
| 227 | nsresult PrototypeDocumentContentSink::ContextStack::Pop() { |
| 228 | if (mDepth == 0) return NS_ERROR_UNEXPECTED; |
| 229 | |
| 230 | Entry* doomed = mTop; |
| 231 | mTop = mTop->mNext; |
| 232 | --mDepth; |
| 233 | |
| 234 | NS_IF_RELEASE(doomed->mElement)do { if (doomed->mElement) { (doomed->mElement)->Release (); (doomed->mElement) = 0; } } while (0); |
| 235 | delete doomed; |
| 236 | return NS_OK; |
| 237 | } |
| 238 | |
| 239 | nsresult PrototypeDocumentContentSink::ContextStack::Peek( |
| 240 | nsXULPrototypeElement** aPrototype, nsIContent** aElement, |
| 241 | int32_t* aIndex) { |
| 242 | if (mDepth == 0) return NS_ERROR_UNEXPECTED; |
| 243 | |
| 244 | *aPrototype = mTop->mPrototype; |
| 245 | *aElement = mTop->mElement; |
| 246 | NS_IF_ADDREF(*aElement)ns_if_addref(*aElement); |
| 247 | *aIndex = mTop->mIndex; |
| 248 | |
| 249 | return NS_OK; |
| 250 | } |
| 251 | |
| 252 | nsresult PrototypeDocumentContentSink::ContextStack::SetTopIndex( |
| 253 | int32_t aIndex) { |
| 254 | if (mDepth == 0) return NS_ERROR_UNEXPECTED; |
| 255 | |
| 256 | mTop->mIndex = aIndex; |
| 257 | return NS_OK; |
| 258 | } |
| 259 | |
| 260 | //---------------------------------------------------------------------- |
| 261 | // |
| 262 | // Content model walking routines |
| 263 | // |
| 264 | |
| 265 | nsresult PrototypeDocumentContentSink::OnPrototypeLoadDone( |
| 266 | nsXULPrototypeDocument* aPrototype) { |
| 267 | mCurrentPrototype = aPrototype; |
| 268 | mDocument->SetPrototypeDocument(aPrototype); |
| 269 | |
| 270 | nsresult rv = PrepareToWalk(); |
| 271 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 271); return rv; } } while (false); |
| 272 | |
| 273 | rv = ResumeWalk(); |
| 274 | |
| 275 | return rv; |
| 276 | } |
| 277 | |
| 278 | nsresult PrototypeDocumentContentSink::PrepareToWalk() { |
| 279 | MOZ_ASSERT(mCurrentPrototype)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mCurrentPrototype)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mCurrentPrototype))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mCurrentPrototype" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 279); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mCurrentPrototype" ")"); do { *((volatile int*)__null) = 279; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 280 | nsresult rv; |
| 281 | |
| 282 | mStillWalking = true; |
| 283 | |
| 284 | // Notify document that the load is beginning |
| 285 | mDocument->BeginLoad(); |
| 286 | |
| 287 | // Get the prototype's root element and initialize the context |
| 288 | // stack for the prototype walk. |
| 289 | nsXULPrototypeElement* proto = mCurrentPrototype->GetRootElement(); |
| 290 | |
| 291 | if (!proto) { |
| 292 | if (MOZ_LOG_TEST(gLog, LogLevel::Error)(__builtin_expect(!!(mozilla::detail::log_test(gLog, LogLevel ::Error)), 0))) { |
| 293 | nsCOMPtr<nsIURI> url = mCurrentPrototype->GetURI(); |
| 294 | |
| 295 | nsAutoCString urlspec; |
| 296 | rv = url->GetSpec(urlspec); |
| 297 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 298 | |
| 299 | MOZ_LOG(gLog, LogLevel::Error,do { const ::mozilla::LogModule* moz_real_module = gLog; if ( (__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Error)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Error, "prototype: error parsing '%s'", urlspec.get ()); } } while (0) |
| 300 | ("prototype: error parsing '%s'", urlspec.get()))do { const ::mozilla::LogModule* moz_real_module = gLog; if ( (__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Error)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Error, "prototype: error parsing '%s'", urlspec.get ()); } } while (0); |
| 301 | } |
| 302 | |
| 303 | return NS_OK; |
| 304 | } |
| 305 | |
| 306 | nsINode* nodeToInsertBefore = mDocument->GetFirstChild(); |
| 307 | |
| 308 | const nsTArray<RefPtr<nsXULPrototypePI> >& processingInstructions = |
| 309 | mCurrentPrototype->GetProcessingInstructions(); |
| 310 | |
| 311 | uint32_t total = processingInstructions.Length(); |
| 312 | for (uint32_t i = 0; i < total; ++i) { |
| 313 | rv = CreateAndInsertPI(processingInstructions[i], mDocument, |
| 314 | nodeToInsertBefore); |
| 315 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 316 | } |
| 317 | |
| 318 | // Do one-time initialization. |
| 319 | RefPtr<Element> root; |
| 320 | |
| 321 | // Add the root element |
| 322 | rv = CreateElementFromPrototype(proto, getter_AddRefs(root), nullptr); |
| 323 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 324 | |
| 325 | ErrorResult error; |
| 326 | mDocument->AppendChildTo(root, false, error); |
| 327 | if (error.Failed()) { |
| 328 | return error.StealNSResult(); |
| 329 | } |
| 330 | |
| 331 | // TODO(emilio): Should this really notify? We don't notify of appends anyhow, |
| 332 | // and we just appended the root so no styles can possibly depend on it. |
| 333 | mDocument->UpdateDocumentStates(DocumentState::RTL_LOCALE, true); |
| 334 | |
| 335 | nsContentUtils::AddScriptRunner( |
| 336 | new nsDocElementCreatedNotificationRunner(mDocument)); |
| 337 | |
| 338 | // There'd better not be anything on the context stack at this |
| 339 | // point! This is the basis case for our "induction" in |
| 340 | // ResumeWalk(), below, which'll assume that there's always a |
| 341 | // content element on the context stack if we're in the document. |
| 342 | NS_ASSERTION(mContextStack.Depth() == 0,do { if (!(mContextStack.Depth() == 0)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "something's on the context stack already", "mContextStack.Depth() == 0" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 343); MOZ_PretendNoReturn(); } } while (0) |
| 343 | "something's on the context stack already")do { if (!(mContextStack.Depth() == 0)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "something's on the context stack already", "mContextStack.Depth() == 0" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 343); MOZ_PretendNoReturn(); } } while (0); |
| 344 | if (mContextStack.Depth() != 0) return NS_ERROR_UNEXPECTED; |
| 345 | |
| 346 | rv = mContextStack.Push(proto, root); |
| 347 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 348 | |
| 349 | return NS_OK; |
| 350 | } |
| 351 | |
| 352 | nsresult PrototypeDocumentContentSink::CreateAndInsertPI( |
| 353 | const nsXULPrototypePI* aProtoPI, nsINode* aParent, nsINode* aBeforeThis) { |
| 354 | MOZ_ASSERT(aProtoPI, "null ptr")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aProtoPI)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aProtoPI))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aProtoPI" " (" "null ptr" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 354); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aProtoPI" ") (" "null ptr" ")"); do { *((volatile int*)__null) = 354; __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 355 | MOZ_ASSERT(aParent, "null ptr")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aParent)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aParent))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aParent" " (" "null ptr" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 355); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aParent" ") (" "null ptr" ")"); do { *((volatile int*)__null) = 355; __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 356 | |
| 357 | RefPtr<ProcessingInstruction> node = |
| 358 | NS_NewXMLProcessingInstruction(aParent->OwnerDoc()->NodeInfoManager(), |
| 359 | aProtoPI->mTarget, aProtoPI->mData); |
| 360 | |
| 361 | nsresult rv; |
| 362 | if (aProtoPI->mTarget.EqualsLiteral("xml-stylesheet")) { |
| 363 | MOZ_ASSERT(LinkStyle::FromNode(*node),do { static_assert( mozilla::detail::AssertionConditionType< decltype(LinkStyle::FromNode(*node))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(LinkStyle::FromNode(*node))) ), 0))) { do { } while (false); MOZ_ReportAssertionFailure("LinkStyle::FromNode(*node)" " (" "XML Stylesheet node does not implement LinkStyle!" ")" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 364); AnnotateMozCrashReason("MOZ_ASSERT" "(" "LinkStyle::FromNode(*node)" ") (" "XML Stylesheet node does not implement LinkStyle!" ")" ); do { *((volatile int*)__null) = 364; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 364 | "XML Stylesheet node does not implement LinkStyle!")do { static_assert( mozilla::detail::AssertionConditionType< decltype(LinkStyle::FromNode(*node))>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(LinkStyle::FromNode(*node))) ), 0))) { do { } while (false); MOZ_ReportAssertionFailure("LinkStyle::FromNode(*node)" " (" "XML Stylesheet node does not implement LinkStyle!" ")" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 364); AnnotateMozCrashReason("MOZ_ASSERT" "(" "LinkStyle::FromNode(*node)" ") (" "XML Stylesheet node does not implement LinkStyle!" ")" ); do { *((volatile int*)__null) = 364; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 365 | auto* pi = static_cast<XMLStylesheetProcessingInstruction*>(node.get()); |
| 366 | rv = InsertXMLStylesheetPI(aProtoPI, aParent, aBeforeThis, pi); |
| 367 | } else { |
| 368 | // No special processing, just add the PI to the document. |
| 369 | ErrorResult error; |
| 370 | aParent->InsertChildBefore(node->AsContent(), |
| 371 | aBeforeThis ? aBeforeThis->AsContent() : nullptr, |
| 372 | false, error); |
| 373 | rv = error.StealNSResult(); |
| 374 | } |
| 375 | |
| 376 | return rv; |
| 377 | } |
| 378 | |
| 379 | nsresult PrototypeDocumentContentSink::InsertXMLStylesheetPI( |
| 380 | const nsXULPrototypePI* aProtoPI, nsINode* aParent, nsINode* aBeforeThis, |
| 381 | XMLStylesheetProcessingInstruction* aPINode) { |
| 382 | // We want to be notified when the style sheet finishes loading, so |
| 383 | // disable style sheet loading for now. |
| 384 | aPINode->DisableUpdates(); |
| 385 | aPINode->OverrideBaseURI(mCurrentPrototype->GetURI()); |
| 386 | |
| 387 | ErrorResult rv; |
| 388 | aParent->InsertChildBefore( |
| 389 | aPINode, aBeforeThis ? aBeforeThis->AsContent() : nullptr, false, rv); |
| 390 | if (rv.Failed()) { |
| 391 | return rv.StealNSResult(); |
| 392 | } |
| 393 | |
| 394 | // load the stylesheet if necessary, passing ourselves as |
| 395 | // nsICSSObserver |
| 396 | auto result = aPINode->EnableUpdatesAndUpdateStyleSheet(this); |
| 397 | if (result.isErr()) { |
| 398 | // Ignore errors from UpdateStyleSheet; we don't want failure to |
| 399 | // do that to break the XUL document load. But do propagate out |
| 400 | // NS_ERROR_OUT_OF_MEMORY. |
| 401 | if (result.unwrapErr() == NS_ERROR_OUT_OF_MEMORY) { |
| 402 | return result.unwrapErr(); |
| 403 | } |
| 404 | return NS_OK; |
| 405 | } |
| 406 | |
| 407 | auto update = result.unwrap(); |
| 408 | if (update.ShouldBlock()) { |
| 409 | ++mPendingSheets; |
| 410 | } |
| 411 | |
| 412 | return NS_OK; |
| 413 | } |
| 414 | |
| 415 | void PrototypeDocumentContentSink::CloseElement(Element* aElement, |
| 416 | bool aHadChildren) { |
| 417 | if (nsIContent::RequiresDoneAddingChildren( |
| 418 | aElement->NodeInfo()->NamespaceID(), |
| 419 | aElement->NodeInfo()->NameAtom())) { |
| 420 | aElement->DoneAddingChildren(false); |
| 421 | } |
| 422 | |
| 423 | if (auto* linkStyle = LinkStyle::FromNode(*aElement)) { |
| 424 | auto result = linkStyle->EnableUpdatesAndUpdateStyleSheet(this); |
| 425 | if (result.isOk() && result.unwrap().ShouldBlock()) { |
| 426 | ++mPendingSheets; |
| 427 | } |
| 428 | return; |
| 429 | } |
| 430 | |
| 431 | if (!aHadChildren) { |
| 432 | return; |
| 433 | } |
| 434 | |
| 435 | // See bug 370111 and bug 1495946. We don't cache inline styles nor module |
| 436 | // scripts in the prototype cache, and we don't notify on node insertion, so |
| 437 | // we need to do this for the stylesheet / script to be properly processed. |
| 438 | // This kinda sucks, but notifying was a pretty sizeable perf regression so... |
| 439 | if (aElement->IsHTMLElement(nsGkAtoms::script) || |
| 440 | aElement->IsSVGElement(nsGkAtoms::script)) { |
| 441 | nsCOMPtr<nsIScriptElement> sele = do_QueryInterface(aElement); |
| 442 | MOZ_ASSERT(sele, "Node didn't QI to script.")do { static_assert( mozilla::detail::AssertionConditionType< decltype(sele)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(sele))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("sele" " (" "Node didn't QI to script." ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 442); AnnotateMozCrashReason("MOZ_ASSERT" "(" "sele" ") (" "Node didn't QI to script." ")"); do { *((volatile int*)__null) = 442; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 443 | if (sele->GetScriptIsModule()) { |
| 444 | DebugOnly<bool> block = sele->AttemptToExecute(); |
| 445 | MOZ_ASSERT(!block, "<script type=module> shouldn't block the parser")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!block)>::isValid, "invalid assertion condition") ; if ((__builtin_expect(!!(!(!!(!block))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!block" " (" "<script type=module> shouldn't block the parser" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 445); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!block" ") (" "<script type=module> shouldn't block the parser" ")") ; do { *((volatile int*)__null) = 445; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 446 | } |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | nsresult PrototypeDocumentContentSink::ResumeWalk() { |
| 451 | nsresult rv = ResumeWalkInternal(); |
| 452 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 453 | nsContentUtils::ReportToConsoleNonLocalized( |
| 454 | u"Failed to load document from prototype document."_ns, |
| 455 | nsIScriptError::errorFlag, "Prototype Document"_ns, mDocument, |
| 456 | SourceLocation{mDocumentURI.get()}); |
| 457 | } |
| 458 | return rv; |
| 459 | } |
| 460 | |
| 461 | nsresult PrototypeDocumentContentSink::ResumeWalkInternal() { |
| 462 | MOZ_ASSERT(mStillWalking)do { static_assert( mozilla::detail::AssertionConditionType< decltype(mStillWalking)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mStillWalking))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mStillWalking", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 462); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mStillWalking" ")"); do { *((volatile int*)__null) = 462; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 463 | // Walk the prototype and build the delegate content model. The |
| 464 | // walk is performed in a top-down, left-to-right fashion. That |
| 465 | // is, a parent is built before any of its children; a node is |
| 466 | // only built after all of its siblings to the left are fully |
| 467 | // constructed. |
| 468 | // |
| 469 | // It is interruptable so that transcluded documents (e.g., |
| 470 | // <html:script src="..." />) can be properly re-loaded if the |
| 471 | // cached copy of the document becomes stale. |
| 472 | nsresult rv; |
| 473 | nsCOMPtr<nsIURI> docURI = |
| 474 | mCurrentPrototype ? mCurrentPrototype->GetURI() : nullptr; |
| 475 | |
| 476 | while (true) { |
| 477 | // Begin (or resume) walking the current prototype. |
| 478 | |
| 479 | while (mContextStack.Depth() > 0) { |
| 480 | // Look at the top of the stack to determine what we're |
| 481 | // currently working on. |
| 482 | // This will always be a node already constructed and |
| 483 | // inserted to the actual document. |
| 484 | nsXULPrototypeElement* proto; |
| 485 | nsCOMPtr<nsIContent> element; |
| 486 | nsCOMPtr<nsIContent> nodeToPushTo; |
| 487 | int32_t indx; // all children of proto before indx (not |
| 488 | // inclusive) have already been constructed |
| 489 | rv = mContextStack.Peek(&proto, getter_AddRefs(element), &indx); |
| 490 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 491 | |
| 492 | if (indx >= (int32_t)proto->mChildren.Length()) { |
| 493 | if (element) { |
| 494 | // We've processed all of the prototype's children. |
| 495 | CloseElement(element->AsElement(), /* aHadChildren = */ true); |
| 496 | } |
| 497 | // Now pop the context stack back up to the parent |
| 498 | // element and continue the prototype walk. |
| 499 | mContextStack.Pop(); |
| 500 | continue; |
| 501 | } |
| 502 | |
| 503 | nodeToPushTo = element; |
| 504 | // For template elements append the content to the template's document |
| 505 | // fragment. |
| 506 | if (auto* templateElement = HTMLTemplateElement::FromNode(element)) { |
| 507 | nodeToPushTo = templateElement->Content(); |
| 508 | } |
| 509 | |
| 510 | // Grab the next child, and advance the current context stack |
| 511 | // to the next sibling to our right. |
| 512 | nsXULPrototypeNode* childproto = proto->mChildren[indx]; |
| 513 | mContextStack.SetTopIndex(++indx); |
| 514 | |
| 515 | switch (childproto->mType) { |
| 516 | case nsXULPrototypeNode::eType_Element: { |
| 517 | // An 'element', which may contain more content. |
| 518 | auto* protoele = static_cast<nsXULPrototypeElement*>(childproto); |
| 519 | |
| 520 | RefPtr<Element> child; |
| 521 | MOZ_TRY(CreateElementFromPrototype(protoele, getter_AddRefs(child),do { auto mozTryTempResult_ = ::mozilla::ToResult(CreateElementFromPrototype (protoele, getter_AddRefs(child), nodeToPushTo)); if ((__builtin_expect (!!(mozTryTempResult_.isErr()), 0))) { return mozTryTempResult_ .propagateErr(); } } while (0) |
| 522 | nodeToPushTo))do { auto mozTryTempResult_ = ::mozilla::ToResult(CreateElementFromPrototype (protoele, getter_AddRefs(child), nodeToPushTo)); if ((__builtin_expect (!!(mozTryTempResult_.isErr()), 0))) { return mozTryTempResult_ .propagateErr(); } } while (0); |
| 523 | |
| 524 | if (auto* linkStyle = LinkStyle::FromNode(*child)) { |
| 525 | linkStyle->DisableUpdates(); |
| 526 | } |
| 527 | |
| 528 | // ...and append it to the content model. |
| 529 | ErrorResult error; |
| 530 | nodeToPushTo->AppendChildTo(child, false, error); |
| 531 | if (error.Failed()) { |
| 532 | return error.StealNSResult(); |
| 533 | } |
| 534 | |
| 535 | if (nsIContent::RequiresDoneCreatingElement( |
| 536 | protoele->mNodeInfo->NamespaceID(), |
| 537 | protoele->mNodeInfo->NameAtom())) { |
| 538 | child->DoneCreatingElement(); |
| 539 | } |
| 540 | |
| 541 | // If it has children, push the element onto the context |
| 542 | // stack and begin to process them. |
| 543 | if (protoele->mChildren.Length() > 0) { |
| 544 | rv = mContextStack.Push(protoele, child); |
| 545 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 546 | } else { |
| 547 | // If there are no children, close the element immediately. |
| 548 | CloseElement(child, /* aHadChildren = */ false); |
| 549 | } |
| 550 | } break; |
| 551 | |
| 552 | case nsXULPrototypeNode::eType_Script: { |
| 553 | // A script reference. Execute the script immediately; |
| 554 | // this may have side effects in the content model. |
| 555 | auto* scriptproto = static_cast<nsXULPrototypeScript*>(childproto); |
| 556 | if (scriptproto->mSrcURI) { |
| 557 | // A transcluded script reference; this may |
| 558 | // "block" our prototype walk if the script isn't |
| 559 | // cached, or the cached copy of the script is |
| 560 | // stale and must be reloaded. |
| 561 | bool blocked; |
| 562 | rv = LoadScript(scriptproto, &blocked); |
| 563 | // If the script cannot be loaded, just keep going! |
| 564 | |
| 565 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && blocked) return NS_OK; |
| 566 | } else if (scriptproto->HasStencil()) { |
| 567 | // An inline script |
| 568 | rv = ExecuteScript(scriptproto); |
| 569 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 570 | } |
| 571 | } break; |
| 572 | |
| 573 | case nsXULPrototypeNode::eType_Text: { |
| 574 | nsNodeInfoManager* nim = nodeToPushTo->NodeInfo()->NodeInfoManager(); |
| 575 | // A simple text node. |
| 576 | RefPtr<nsTextNode> text = new (nim) nsTextNode(nim); |
| 577 | |
| 578 | auto* textproto = static_cast<nsXULPrototypeText*>(childproto); |
| 579 | text->SetText(textproto->mValue, false); |
| 580 | |
| 581 | ErrorResult error; |
| 582 | nodeToPushTo->AppendChildTo(text, false, error); |
| 583 | if (error.Failed()) { |
| 584 | return error.StealNSResult(); |
| 585 | } |
| 586 | } break; |
| 587 | |
| 588 | case nsXULPrototypeNode::eType_PI: { |
| 589 | auto* piProto = static_cast<nsXULPrototypePI*>(childproto); |
| 590 | |
| 591 | // <?xml-stylesheet?> doesn't have an effect |
| 592 | // outside the prolog, like it used to. Issue a warning. |
| 593 | |
| 594 | if (piProto->mTarget.EqualsLiteral("xml-stylesheet")) { |
| 595 | AutoTArray<nsString, 1> params = {piProto->mTarget}; |
| 596 | |
| 597 | nsContentUtils::ReportToConsole( |
| 598 | nsIScriptError::warningFlag, "XUL Document"_ns, nullptr, |
| 599 | nsContentUtils::eXUL_PROPERTIES, "PINotInProlog", params, |
| 600 | SourceLocation(docURI.get())); |
| 601 | } |
| 602 | |
| 603 | nsIContent* parent = element.get(); |
| 604 | if (parent) { |
| 605 | // an inline script could have removed the root element |
| 606 | rv = CreateAndInsertPI(piProto, parent, nullptr); |
| 607 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 607); return rv; } } while (false); |
| 608 | } |
| 609 | } break; |
| 610 | |
| 611 | default: |
| 612 | MOZ_ASSERT_UNREACHABLE("Unexpected nsXULPrototypeNode::Type")do { static_assert( mozilla::detail::AssertionConditionType< decltype(false)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(false))), 0))) { do { } while ( false); MOZ_ReportAssertionFailure("false" " (" "MOZ_ASSERT_UNREACHABLE: " "Unexpected nsXULPrototypeNode::Type" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 612); AnnotateMozCrashReason("MOZ_ASSERT" "(" "false" ") (" "MOZ_ASSERT_UNREACHABLE: " "Unexpected nsXULPrototypeNode::Type" ")"); do { *((volatile int*)__null) = 612; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | // Once we get here, the context stack will have been |
| 617 | // depleted. That means that the entire prototype has been |
| 618 | // walked and content has been constructed. |
| 619 | break; |
| 620 | } |
| 621 | |
| 622 | mStillWalking = false; |
| 623 | return MaybeDoneWalking(); |
| 624 | } |
| 625 | |
| 626 | void PrototypeDocumentContentSink::InitialTranslationCompleted() { |
| 627 | MaybeDoneWalking(); |
| 628 | } |
| 629 | |
| 630 | nsresult PrototypeDocumentContentSink::MaybeDoneWalking() { |
| 631 | if (mPendingSheets > 0 || mStillWalking) { |
| 632 | return NS_OK; |
| 633 | } |
| 634 | |
| 635 | if (mDocument->HasPendingInitialTranslation()) { |
| 636 | mDocument->OnParsingCompleted(); |
| 637 | return NS_OK; |
| 638 | } |
| 639 | |
| 640 | return DoneWalking(); |
| 641 | } |
| 642 | |
| 643 | nsresult PrototypeDocumentContentSink::DoneWalking() { |
| 644 | MOZ_ASSERT(mPendingSheets == 0, "there are sheets to be loaded")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mPendingSheets == 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mPendingSheets == 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("mPendingSheets == 0" " (" "there are sheets to be loaded" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 644); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mPendingSheets == 0" ") (" "there are sheets to be loaded" ")"); do { *((volatile int*)__null) = 644; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); |
| 645 | MOZ_ASSERT(!mStillWalking, "walk not done")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mStillWalking)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mStillWalking))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("!mStillWalking" " (" "walk not done" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 645); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mStillWalking" ") (" "walk not done" ")"); do { *((volatile int*)__null) = 645 ; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); |
| 646 | MOZ_ASSERT(!mDocument->HasPendingInitialTranslation(), "translation pending")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mDocument->HasPendingInitialTranslation())>:: isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(!mDocument->HasPendingInitialTranslation()))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("!mDocument->HasPendingInitialTranslation()" " (" "translation pending" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 646); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mDocument->HasPendingInitialTranslation()" ") (" "translation pending" ")"); do { *((volatile int*)__null ) = 646; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); |
| 647 | |
| 648 | if (mDocument) { |
| 649 | MOZ_ASSERT(mDocument->GetReadyStateEnum() == Document::READYSTATE_LOADING,do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocument->GetReadyStateEnum() == Document::READYSTATE_LOADING )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mDocument->GetReadyStateEnum() == Document::READYSTATE_LOADING ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mDocument->GetReadyStateEnum() == Document::READYSTATE_LOADING" " (" "Bad readyState" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 650); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocument->GetReadyStateEnum() == Document::READYSTATE_LOADING" ") (" "Bad readyState" ")"); do { *((volatile int*)__null) = 650; __attribute__((nomerge)) ::abort(); } while (false); } } while (false) |
| 650 | "Bad readyState")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mDocument->GetReadyStateEnum() == Document::READYSTATE_LOADING )>::isValid, "invalid assertion condition"); if ((__builtin_expect (!!(!(!!(mDocument->GetReadyStateEnum() == Document::READYSTATE_LOADING ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "mDocument->GetReadyStateEnum() == Document::READYSTATE_LOADING" " (" "Bad readyState" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 650); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mDocument->GetReadyStateEnum() == Document::READYSTATE_LOADING" ") (" "Bad readyState" ")"); do { *((volatile int*)__null) = 650; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); |
| 651 | mDocument->SetReadyStateInternal(Document::READYSTATE_INTERACTIVE); |
| 652 | mDocument->NotifyPossibleTitleChange(false); |
| 653 | |
| 654 | nsContentUtils::DispatchEventOnlyToChrome(mDocument, mDocument, |
| 655 | u"MozBeforeInitialXULLayout"_ns, |
| 656 | CanBubble::eYes, Cancelable::eNo); |
| 657 | } |
| 658 | |
| 659 | if (mScriptLoader) { |
| 660 | mScriptLoader->ParsingComplete(false); |
| 661 | mScriptLoader->DeferCheckpointReached(); |
| 662 | } |
| 663 | |
| 664 | StartLayout(); |
| 665 | |
| 666 | if (IsChromeURI(mDocumentURI) && |
| 667 | nsXULPrototypeCache::GetInstance()->IsEnabled()) { |
| 668 | bool isCachedOnDisk; |
| 669 | nsXULPrototypeCache::GetInstance()->HasPrototype(mDocumentURI, |
| 670 | &isCachedOnDisk); |
| 671 | if (!isCachedOnDisk) { |
| 672 | if (!mDocument->GetDocumentElement() || |
| 673 | (mDocument->GetDocumentElement()->NodeInfo()->Equals( |
| 674 | nsGkAtoms::parsererror) && |
| 675 | mDocument->GetDocumentElement()->NodeInfo()->NamespaceEquals( |
| 676 | nsDependentAtomString(nsGkAtoms::nsuri_parsererror)))) { |
| 677 | nsXULPrototypeCache::GetInstance()->RemovePrototype(mDocumentURI); |
| 678 | } else { |
| 679 | nsXULPrototypeCache::GetInstance()->WritePrototype(mCurrentPrototype); |
| 680 | } |
| 681 | } |
| 682 | } |
| 683 | |
| 684 | mDocument->SetDelayFrameLoaderInitialization(false); |
| 685 | RefPtr<Document> doc = mDocument; |
| 686 | doc->MaybeInitializeFinalizeFrameLoaders(); |
| 687 | |
| 688 | // If the document we are loading has a reference or it is a |
| 689 | // frameset document, disable the scroll bars on the views. |
| 690 | |
| 691 | doc->SetScrollToRef(mDocument->GetDocumentURI()); |
| 692 | |
| 693 | doc->EndLoad(); |
| 694 | |
| 695 | return NS_OK; |
| 696 | } |
| 697 | |
| 698 | void PrototypeDocumentContentSink::StartLayout() { |
| 699 | AUTO_PROFILER_LABEL_DYNAMIC_NSCSTRING(mozilla::Maybe<nsAutoCString> autoCStr; mozilla::Maybe< mozilla::AutoProfilerLabel> raiiObjectNsCString; if (profiler_is_active ()) { autoCStr.emplace(mDocumentURI->GetSpecOrDefault()); raiiObjectNsCString .emplace("PrototypeDocumentContentSink::StartLayout", autoCStr ->get(), JS::ProfilingCategoryPair::LAYOUT); } |
| 700 | "PrototypeDocumentContentSink::StartLayout", LAYOUT,mozilla::Maybe<nsAutoCString> autoCStr; mozilla::Maybe< mozilla::AutoProfilerLabel> raiiObjectNsCString; if (profiler_is_active ()) { autoCStr.emplace(mDocumentURI->GetSpecOrDefault()); raiiObjectNsCString .emplace("PrototypeDocumentContentSink::StartLayout", autoCStr ->get(), JS::ProfilingCategoryPair::LAYOUT); } |
| 701 | mDocumentURI->GetSpecOrDefault())mozilla::Maybe<nsAutoCString> autoCStr; mozilla::Maybe< mozilla::AutoProfilerLabel> raiiObjectNsCString; if (profiler_is_active ()) { autoCStr.emplace(mDocumentURI->GetSpecOrDefault()); raiiObjectNsCString .emplace("PrototypeDocumentContentSink::StartLayout", autoCStr ->get(), JS::ProfilingCategoryPair::LAYOUT); }; |
| 702 | mDocument->SetMayStartLayout(true); |
| 703 | RefPtr<PresShell> presShell = mDocument->GetPresShell(); |
| 704 | if (presShell && !presShell->DidInitialize()) { |
| 705 | nsresult rv = presShell->Initialize(); |
| 706 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 707 | return; |
| 708 | } |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | NS_IMETHODIMPnsresult |
| 713 | PrototypeDocumentContentSink::StyleSheetLoaded(StyleSheet* aSheet, |
| 714 | bool aWasDeferred, |
| 715 | nsresult aStatus) { |
| 716 | if (!aWasDeferred) { |
| 717 | // Don't care about when alternate sheets finish loading |
| 718 | MOZ_ASSERT(mPendingSheets > 0, "Unexpected StyleSheetLoaded notification")do { static_assert( mozilla::detail::AssertionConditionType< decltype(mPendingSheets > 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(mPendingSheets > 0))), 0) )) { do { } while (false); MOZ_ReportAssertionFailure("mPendingSheets > 0" " (" "Unexpected StyleSheetLoaded notification" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 718); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mPendingSheets > 0" ") (" "Unexpected StyleSheetLoaded notification" ")"); do { * ((volatile int*)__null) = 718; __attribute__((nomerge)) ::abort (); } while (false); } } while (false); |
| 719 | |
| 720 | --mPendingSheets; |
| 721 | |
| 722 | return MaybeDoneWalking(); |
| 723 | } |
| 724 | |
| 725 | return NS_OK; |
| 726 | } |
| 727 | |
| 728 | nsresult PrototypeDocumentContentSink::LoadScript( |
| 729 | nsXULPrototypeScript* aScriptProto, bool* aBlock) { |
| 730 | // Load a transcluded script |
| 731 | nsresult rv; |
| 732 | |
| 733 | bool isChromeDoc = IsChromeURI(mDocumentURI); |
| 734 | |
| 735 | if (isChromeDoc && aScriptProto->HasStencil()) { |
| 736 | rv = ExecuteScript(aScriptProto); |
Value stored to 'rv' is never read | |
| 737 | |
| 738 | // Ignore return value from execution, and don't block |
| 739 | *aBlock = false; |
| 740 | return NS_OK; |
| 741 | } |
| 742 | |
| 743 | // Try the XUL script cache, in case two XUL documents source the same |
| 744 | // .js file (e.g., strres.js from navigator.xul and utilityOverlay.xul). |
| 745 | // XXXbe the cache relies on aScriptProto's GC root! |
| 746 | bool useXULCache = nsXULPrototypeCache::GetInstance()->IsEnabled(); |
| 747 | |
| 748 | if (isChromeDoc && useXULCache) { |
| 749 | RefPtr<JS::Stencil> newStencil = |
| 750 | nsXULPrototypeCache::GetInstance()->GetStencil(aScriptProto->mSrcURI); |
| 751 | if (newStencil) { |
| 752 | // The script language for a proto must remain constant - we |
| 753 | // can't just change it for this unexpected language. |
| 754 | aScriptProto->Set(newStencil); |
| 755 | } |
| 756 | |
| 757 | if (aScriptProto->HasStencil()) { |
| 758 | rv = ExecuteScript(aScriptProto); |
| 759 | |
| 760 | // Ignore return value from execution, and don't block |
| 761 | *aBlock = false; |
| 762 | return NS_OK; |
| 763 | } |
| 764 | } |
| 765 | |
| 766 | // Release stencil from FastLoad since we decided against using them |
| 767 | aScriptProto->Set(nullptr); |
| 768 | |
| 769 | // Set the current script prototype so that OnStreamComplete can report |
| 770 | // the right file if there are errors in the script. |
| 771 | NS_ASSERTION(!mCurrentScriptProto,do { if (!(!mCurrentScriptProto)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "still loading a script when starting another load?", "!mCurrentScriptProto" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 772); MOZ_PretendNoReturn(); } } while (0) |
| 772 | "still loading a script when starting another load?")do { if (!(!mCurrentScriptProto)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "still loading a script when starting another load?", "!mCurrentScriptProto" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 772); MOZ_PretendNoReturn(); } } while (0); |
| 773 | mCurrentScriptProto = aScriptProto; |
| 774 | |
| 775 | if (isChromeDoc && aScriptProto->mSrcLoading) { |
| 776 | // Another document load has started, which is still in progress. |
| 777 | // Remember to ResumeWalk this document when the load completes. |
| 778 | mNextSrcLoadWaiter = aScriptProto->mSrcLoadWaiters; |
| 779 | aScriptProto->mSrcLoadWaiters = this; |
| 780 | NS_ADDREF_THIS()AddRef(); |
| 781 | } else { |
| 782 | nsCOMPtr<nsILoadGroup> group = |
| 783 | mDocument |
| 784 | ->GetDocumentLoadGroup(); // found in |
| 785 | // mozilla::dom::Document::SetScriptGlobalObject |
| 786 | |
| 787 | // Note: the loader will keep itself alive while it's loading. |
| 788 | nsCOMPtr<nsIStreamLoader> loader; |
| 789 | rv = NS_NewStreamLoader( |
| 790 | getter_AddRefs(loader), aScriptProto->mSrcURI, |
| 791 | this, // aObserver |
| 792 | mDocument, // aRequestingContext |
| 793 | nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_INHERITS_SEC_CONTEXT, |
| 794 | nsIContentPolicy::TYPE_INTERNAL_SCRIPT, group); |
| 795 | |
| 796 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 797 | mCurrentScriptProto = nullptr; |
| 798 | return rv; |
| 799 | } |
| 800 | |
| 801 | aScriptProto->mSrcLoading = true; |
| 802 | } |
| 803 | |
| 804 | // Block until OnStreamComplete resumes us. |
| 805 | *aBlock = true; |
| 806 | return NS_OK; |
| 807 | } |
| 808 | |
| 809 | NS_IMETHODIMPnsresult |
| 810 | PrototypeDocumentContentSink::OnStreamComplete(nsIStreamLoader* aLoader, |
| 811 | nsISupports* context, |
| 812 | nsresult aStatus, |
| 813 | uint32_t stringLen, |
| 814 | const uint8_t* string) { |
| 815 | nsCOMPtr<nsIRequest> request; |
| 816 | aLoader->GetRequest(getter_AddRefs(request)); |
| 817 | nsCOMPtr<nsIChannel> channel = do_QueryInterface(request); |
| 818 | |
| 819 | #ifdef DEBUG1 |
| 820 | // print a load error on bad status |
| 821 | if (NS_FAILED(aStatus)((bool)(__builtin_expect(!!(NS_FAILED_impl(aStatus)), 0)))) { |
| 822 | if (channel) { |
| 823 | nsCOMPtr<nsIURI> uri; |
| 824 | channel->GetURI(getter_AddRefs(uri)); |
| 825 | if (uri) { |
| 826 | printf("Failed to load %s\n", uri->GetSpecOrDefault().get()); |
| 827 | } |
| 828 | } |
| 829 | } |
| 830 | #endif |
| 831 | |
| 832 | // This is the completion routine that will be called when a |
| 833 | // transcluded script completes. Compile and execute the script |
| 834 | // if the load was successful, then continue building content |
| 835 | // from the prototype. |
| 836 | nsresult rv = aStatus; |
| 837 | |
| 838 | NS_ASSERTION(mCurrentScriptProto && mCurrentScriptProto->mSrcLoading,do { if (!(mCurrentScriptProto && mCurrentScriptProto ->mSrcLoading)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "script source not loading on unichar stream complete?" , "mCurrentScriptProto && mCurrentScriptProto->mSrcLoading" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 839); MOZ_PretendNoReturn(); } } while (0) |
| 839 | "script source not loading on unichar stream complete?")do { if (!(mCurrentScriptProto && mCurrentScriptProto ->mSrcLoading)) { NS_DebugBreak(NS_DEBUG_ASSERTION, "script source not loading on unichar stream complete?" , "mCurrentScriptProto && mCurrentScriptProto->mSrcLoading" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 839); MOZ_PretendNoReturn(); } } while (0); |
| 840 | if (!mCurrentScriptProto) { |
| 841 | // XXX Wallpaper for bug 270042 |
| 842 | return NS_OK; |
| 843 | } |
| 844 | |
| 845 | if (NS_SUCCEEDED(aStatus)((bool)(__builtin_expect(!!(!NS_FAILED_impl(aStatus)), 1)))) { |
| 846 | // If the including document is a FastLoad document, and we're |
| 847 | // compiling an out-of-line script (one with src=...), then we must |
| 848 | // be writing a new FastLoad file. If we were reading this script |
| 849 | // from the FastLoad file, XULContentSinkImpl::OpenScript (over in |
| 850 | // nsXULContentSink.cpp) would have already deserialized a non-null |
| 851 | // script->mStencil, causing control flow at the top of LoadScript |
| 852 | // not to reach here. |
| 853 | nsCOMPtr<nsIURI> uri = mCurrentScriptProto->mSrcURI; |
| 854 | |
| 855 | // XXX should also check nsIHttpChannel::requestSucceeded |
| 856 | |
| 857 | MOZ_ASSERT(!mOffThreadCompiling,do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mOffThreadCompiling)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mOffThreadCompiling))), 0)) ) { do { } while (false); MOZ_ReportAssertionFailure("!mOffThreadCompiling" " (" "PrototypeDocument can't load multiple scripts at once" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 858); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mOffThreadCompiling" ") (" "PrototypeDocument can't load multiple scripts at once" ")"); do { *((volatile int*)__null) = 858; __attribute__((nomerge )) ::abort(); } while (false); } } while (false) |
| 858 | "PrototypeDocument can't load multiple scripts at once")do { static_assert( mozilla::detail::AssertionConditionType< decltype(!mOffThreadCompiling)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(!mOffThreadCompiling))), 0)) ) { do { } while (false); MOZ_ReportAssertionFailure("!mOffThreadCompiling" " (" "PrototypeDocument can't load multiple scripts at once" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 858); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mOffThreadCompiling" ") (" "PrototypeDocument can't load multiple scripts at once" ")"); do { *((volatile int*)__null) = 858; __attribute__((nomerge )) ::abort(); } while (false); } } while (false); |
| 859 | |
| 860 | UniquePtr<Utf8Unit[], JS::FreePolicy> units; |
| 861 | size_t unitsLength = 0; |
| 862 | |
| 863 | rv = ScriptLoader::ConvertToUTF8(channel, string, stringLen, u""_ns, |
| 864 | mDocument, units, unitsLength); |
| 865 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 866 | rv = mCurrentScriptProto->CompileMaybeOffThread( |
| 867 | std::move(units), unitsLength, uri, 1, mDocument, this); |
| 868 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1))) && !mCurrentScriptProto->HasStencil()) { |
| 869 | mOffThreadCompiling = true; |
| 870 | mDocument->BlockOnload(); |
| 871 | return NS_OK; |
| 872 | } |
| 873 | } |
| 874 | } |
| 875 | |
| 876 | return OnScriptCompileComplete(mCurrentScriptProto->GetStencil(), rv); |
| 877 | } |
| 878 | |
| 879 | NS_IMETHODIMPnsresult |
| 880 | PrototypeDocumentContentSink::OnScriptCompileComplete(JS::Stencil* aStencil, |
| 881 | nsresult aStatus) { |
| 882 | // The mCurrentScriptProto may have been cleared out by another |
| 883 | // PrototypeDocumentContentSink. |
| 884 | if (!mCurrentScriptProto) { |
| 885 | return NS_OK; |
| 886 | } |
| 887 | |
| 888 | // When compiling off thread the script will not have been attached to the |
| 889 | // script proto yet. |
| 890 | if (aStencil && !mCurrentScriptProto->HasStencil()) { |
| 891 | mCurrentScriptProto->Set(aStencil); |
| 892 | } |
| 893 | |
| 894 | // Allow load events to be fired once off thread compilation finishes. |
| 895 | if (mOffThreadCompiling) { |
| 896 | mOffThreadCompiling = false; |
| 897 | mDocument->UnblockOnload(false); |
| 898 | } |
| 899 | |
| 900 | // Clear mCurrentScriptProto now, but save it first for use below in |
| 901 | // the execute code, and in the while loop that resumes walks of other |
| 902 | // documents that raced to load this script. |
| 903 | nsXULPrototypeScript* scriptProto = mCurrentScriptProto; |
| 904 | mCurrentScriptProto = nullptr; |
| 905 | |
| 906 | // Clear the prototype's loading flag before executing the script or |
| 907 | // resuming document walks, in case any of those control flows starts a |
| 908 | // new script load. |
| 909 | scriptProto->mSrcLoading = false; |
| 910 | |
| 911 | nsresult rv = aStatus; |
| 912 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 913 | rv = ExecuteScript(scriptProto); |
| 914 | |
| 915 | // If the XUL cache is enabled, save the script object there in |
| 916 | // case different XUL documents source the same script. |
| 917 | // |
| 918 | // But don't save the script in the cache unless the master XUL |
| 919 | // document URL is a chrome: URL. It is valid for a URL such as |
| 920 | // about:config to translate into a master document URL, whose |
| 921 | // prototype document nodes -- including prototype scripts that |
| 922 | // hold GC roots protecting their mJSObject pointers -- are not |
| 923 | // cached in the XUL prototype cache. See StartDocumentLoad, |
| 924 | // the fillXULCache logic. |
| 925 | // |
| 926 | // A document such as about:config is free to load a script via |
| 927 | // a URL such as chrome://global/content/config.js, and we must |
| 928 | // not cache that script object without a prototype cache entry |
| 929 | // containing a companion nsXULPrototypeScript node that owns a |
| 930 | // GC root protecting the script object. Otherwise, the script |
| 931 | // cache entry will dangle once the uncached prototype document |
| 932 | // is released when its owning document is unloaded. |
| 933 | // |
| 934 | // (See http://bugzilla.mozilla.org/show_bug.cgi?id=98207 for |
| 935 | // the true crime story.) |
| 936 | bool useXULCache = nsXULPrototypeCache::GetInstance()->IsEnabled(); |
| 937 | |
| 938 | if (useXULCache && IsChromeURI(mDocumentURI) && scriptProto->HasStencil()) { |
| 939 | nsXULPrototypeCache::GetInstance()->PutStencil(scriptProto->mSrcURI, |
| 940 | scriptProto->GetStencil()); |
| 941 | } |
| 942 | // ignore any evaluation errors |
| 943 | } |
| 944 | |
| 945 | rv = ResumeWalk(); |
| 946 | |
| 947 | // Load a pointer to the prototype-script's list of documents who |
| 948 | // raced to load the same script |
| 949 | PrototypeDocumentContentSink** docp = &scriptProto->mSrcLoadWaiters; |
| 950 | |
| 951 | // Resume walking other documents that waited for this one's load, first |
| 952 | // executing the script we just compiled, in each doc's script context |
| 953 | PrototypeDocumentContentSink* doc; |
| 954 | while ((doc = *docp) != nullptr) { |
| 955 | NS_ASSERTION(doc->mCurrentScriptProto == scriptProto,do { if (!(doc->mCurrentScriptProto == scriptProto)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "waiting for wrong script to load?", "doc->mCurrentScriptProto == scriptProto" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 956); MOZ_PretendNoReturn(); } } while (0) |
| 956 | "waiting for wrong script to load?")do { if (!(doc->mCurrentScriptProto == scriptProto)) { NS_DebugBreak (NS_DEBUG_ASSERTION, "waiting for wrong script to load?", "doc->mCurrentScriptProto == scriptProto" , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 956); MOZ_PretendNoReturn(); } } while (0); |
| 957 | doc->mCurrentScriptProto = nullptr; |
| 958 | |
| 959 | // Unlink doc from scriptProto's list before executing and resuming |
| 960 | *docp = doc->mNextSrcLoadWaiter; |
| 961 | doc->mNextSrcLoadWaiter = nullptr; |
| 962 | |
| 963 | if (aStatus == NS_BINDING_ABORTED && !scriptProto->HasStencil()) { |
| 964 | // If the previous doc load was aborted, we want to try loading |
| 965 | // again for the next doc. Otherwise, one abort would lead to all |
| 966 | // subsequent waiting docs to abort as well. |
| 967 | bool block = false; |
| 968 | doc->LoadScript(scriptProto, &block); |
| 969 | NS_RELEASE(doc)do { (doc)->Release(); (doc) = 0; } while (0); |
| 970 | return rv; |
| 971 | } |
| 972 | |
| 973 | // Execute only if we loaded and compiled successfully, then resume |
| 974 | if (NS_SUCCEEDED(aStatus)((bool)(__builtin_expect(!!(!NS_FAILED_impl(aStatus)), 1))) && scriptProto->HasStencil()) { |
| 975 | doc->ExecuteScript(scriptProto); |
| 976 | } |
| 977 | doc->ResumeWalk(); |
| 978 | NS_RELEASE(doc)do { (doc)->Release(); (doc) = 0; } while (0); |
| 979 | } |
| 980 | |
| 981 | return rv; |
| 982 | } |
| 983 | |
| 984 | nsresult PrototypeDocumentContentSink::ExecuteScript( |
| 985 | nsXULPrototypeScript* aScript) { |
| 986 | MOZ_ASSERT(aScript != nullptr, "null ptr")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aScript != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aScript != nullptr))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aScript != nullptr" " (" "null ptr" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 986); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aScript != nullptr" ") (" "null ptr" ")"); do { *((volatile int*)__null) = 986; __attribute__ ((nomerge)) ::abort(); } while (false); } } while (false); |
| 987 | NS_ENSURE_TRUE(aScript, NS_ERROR_NULL_POINTER)do { if ((__builtin_expect(!!(!(aScript)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "aScript" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 987); return NS_ERROR_NULL_POINTER; } } while (false); |
| 988 | |
| 989 | nsIScriptGlobalObject* scriptGlobalObject; |
| 990 | bool aHasHadScriptHandlingObject; |
| 991 | scriptGlobalObject = |
| 992 | mDocument->GetScriptHandlingObject(aHasHadScriptHandlingObject); |
| 993 | |
| 994 | NS_ENSURE_TRUE(scriptGlobalObject, NS_ERROR_NOT_INITIALIZED)do { if ((__builtin_expect(!!(!(scriptGlobalObject)), 0))) { NS_DebugBreak (NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "scriptGlobalObject" ") failed" , nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 994); return NS_ERROR_NOT_INITIALIZED; } } while (false); |
| 995 | |
| 996 | nsresult rv; |
| 997 | rv = scriptGlobalObject->EnsureScriptEnvironment(); |
| 998 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 998); return rv; } } while (false); |
| 999 | |
| 1000 | // Execute the precompiled script with the given version |
| 1001 | nsAutoMicroTask mt; |
| 1002 | |
| 1003 | // We're about to run script via JS_ExecuteScript, so we need an |
| 1004 | // AutoEntryScript. This is Gecko specific and not in any spec. |
| 1005 | AutoEntryScript aes(scriptGlobalObject, "precompiled XUL <script> element"); |
| 1006 | JSContext* cx = aes.cx(); |
| 1007 | |
| 1008 | JS::Rooted<JSScript*> scriptObject(cx); |
| 1009 | rv = aScript->InstantiateScript(cx, &scriptObject); |
| 1010 | NS_ENSURE_SUCCESS(rv, rv)do { nsresult __rv = rv; if (((bool)(__builtin_expect(!!(NS_FAILED_impl (__rv)), 0)))) { const char* name = mozilla::GetStaticErrorName (__rv); mozilla::SmprintfPointer msg = mozilla::Smprintf( "NS_ENSURE_SUCCESS(%s, %s) failed with " "result 0x%" "X" "%s%s%s", "rv", "rv", static_cast<uint32_t >(__rv), name ? " (" : "", name ? name : "", name ? ")" : "" ); NS_DebugBreak(NS_DEBUG_WARNING, msg.get(), nullptr, "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 1010); return rv; } } while (false); |
| 1011 | |
| 1012 | JS::Rooted<JSObject*> global(cx, JS::CurrentGlobalOrNull(cx)); |
| 1013 | NS_ENSURE_TRUE(xpc::Scriptability::Get(global).Allowed(), NS_OK)do { if ((__builtin_expect(!!(!(xpc::Scriptability::Get(global ).Allowed())), 0))) { NS_DebugBreak(NS_DEBUG_WARNING, "NS_ENSURE_TRUE(" "xpc::Scriptability::Get(global).Allowed()" ") failed", nullptr , "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 1013); return NS_OK; } } while (false); |
| 1014 | |
| 1015 | // On failure, ~AutoScriptEntry will handle exceptions, so |
| 1016 | // there is no need to manually check the return value. |
| 1017 | JS::Rooted<JS::Value> rval(cx); |
| 1018 | Unused << JS_ExecuteScript(cx, scriptObject, &rval); |
| 1019 | |
| 1020 | return NS_OK; |
| 1021 | } |
| 1022 | |
| 1023 | nsresult PrototypeDocumentContentSink::CreateElementFromPrototype( |
| 1024 | nsXULPrototypeElement* aPrototype, Element** aResult, nsIContent* aParent) { |
| 1025 | // Create a content model element from a prototype element. |
| 1026 | MOZ_ASSERT(aPrototype, "null ptr")do { static_assert( mozilla::detail::AssertionConditionType< decltype(aPrototype)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(aPrototype))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("aPrototype" " (" "null ptr" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 1026); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aPrototype" ") (" "null ptr" ")"); do { *((volatile int*)__null) = 1026; __attribute__((nomerge)) ::abort(); } while (false); } } while (false); |
| 1027 | if (!aPrototype) return NS_ERROR_NULL_POINTER; |
| 1028 | |
| 1029 | *aResult = nullptr; |
| 1030 | nsresult rv = NS_OK; |
| 1031 | |
| 1032 | if (MOZ_LOG_TEST(gLog, LogLevel::Debug)(__builtin_expect(!!(mozilla::detail::log_test(gLog, LogLevel ::Debug)), 0))) { |
| 1033 | MOZ_LOG(do { const ::mozilla::LogModule* moz_real_module = gLog; if ( (__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "prototype: creating <%s> from prototype" , NS_ConvertUTF16toUTF8(aPrototype->mNodeInfo->QualifiedName ()).get()); } } while (0) |
| 1034 | gLog, LogLevel::Debug,do { const ::mozilla::LogModule* moz_real_module = gLog; if ( (__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "prototype: creating <%s> from prototype" , NS_ConvertUTF16toUTF8(aPrototype->mNodeInfo->QualifiedName ()).get()); } } while (0) |
| 1035 | ("prototype: creating <%s> from prototype",do { const ::mozilla::LogModule* moz_real_module = gLog; if ( (__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "prototype: creating <%s> from prototype" , NS_ConvertUTF16toUTF8(aPrototype->mNodeInfo->QualifiedName ()).get()); } } while (0) |
| 1036 | NS_ConvertUTF16toUTF8(aPrototype->mNodeInfo->QualifiedName()).get()))do { const ::mozilla::LogModule* moz_real_module = gLog; if ( (__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , LogLevel::Debug)), 0))) { mozilla::detail::log_print(moz_real_module , LogLevel::Debug, "prototype: creating <%s> from prototype" , NS_ConvertUTF16toUTF8(aPrototype->mNodeInfo->QualifiedName ()).get()); } } while (0); |
| 1037 | } |
| 1038 | |
| 1039 | RefPtr<Element> result; |
| 1040 | |
| 1041 | Document* doc = aParent ? aParent->OwnerDoc() : mDocument.get(); |
| 1042 | if (aPrototype->mNodeInfo->NamespaceEquals(kNameSpaceID_XUL8)) { |
| 1043 | const bool isRoot = !aParent; |
| 1044 | // If it's a XUL element, it'll be lightweight until somebody |
| 1045 | // monkeys with it. |
| 1046 | rv = nsXULElement::CreateFromPrototype(aPrototype, doc, true, isRoot, |
| 1047 | getter_AddRefs(result)); |
| 1048 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 1049 | } else { |
| 1050 | // If it's not a XUL element, it's gonna be heavyweight no matter |
| 1051 | // what. So we need to copy everything out of the prototype |
| 1052 | // into the element. Get a nodeinfo from our nodeinfo manager |
| 1053 | // for this node. |
| 1054 | RefPtr<NodeInfo> newNodeInfo = doc->NodeInfoManager()->GetNodeInfo( |
| 1055 | aPrototype->mNodeInfo->NameAtom(), |
| 1056 | aPrototype->mNodeInfo->GetPrefixAtom(), |
| 1057 | aPrototype->mNodeInfo->NamespaceID(), nsINode::ELEMENT_NODE); |
| 1058 | if (!newNodeInfo) { |
| 1059 | return NS_ERROR_OUT_OF_MEMORY; |
| 1060 | } |
| 1061 | const bool isScript = |
| 1062 | newNodeInfo->Equals(nsGkAtoms::script, kNameSpaceID_XHTML3) || |
| 1063 | newNodeInfo->Equals(nsGkAtoms::script, kNameSpaceID_SVG9); |
| 1064 | if (aPrototype->mIsAtom && |
| 1065 | newNodeInfo->NamespaceID() == kNameSpaceID_XHTML3) { |
| 1066 | rv = NS_NewHTMLElement(getter_AddRefs(result), newNodeInfo.forget(), |
| 1067 | NOT_FROM_PARSER, aPrototype->mIsAtom); |
| 1068 | } else { |
| 1069 | rv = NS_NewElement(getter_AddRefs(result), newNodeInfo.forget(), |
| 1070 | NOT_FROM_PARSER); |
| 1071 | } |
| 1072 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 1073 | |
| 1074 | rv = AddAttributes(aPrototype, result); |
| 1075 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 1076 | |
| 1077 | if (isScript) { |
| 1078 | nsCOMPtr<nsIScriptElement> sele = do_QueryInterface(result); |
| 1079 | MOZ_ASSERT(sele, "Node didn't QI to script.")do { static_assert( mozilla::detail::AssertionConditionType< decltype(sele)>::isValid, "invalid assertion condition"); if ((__builtin_expect(!!(!(!!(sele))), 0))) { do { } while (false ); MOZ_ReportAssertionFailure("sele" " (" "Node didn't QI to script." ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/prototype/PrototypeDocumentContentSink.cpp" , 1079); AnnotateMozCrashReason("MOZ_ASSERT" "(" "sele" ") (" "Node didn't QI to script." ")"); do { *((volatile int*)__null ) = 1079; __attribute__((nomerge)) ::abort(); } while (false) ; } } while (false); |
| 1080 | |
| 1081 | sele->FreezeExecutionAttrs(doc); |
| 1082 | // Script loading is handled by the this content sink, so prevent the |
| 1083 | // script from loading when it is bound to the document. |
| 1084 | // |
| 1085 | // NOTE(emilio): This is only done for non-module scripts, because we |
| 1086 | // don't support caching modules properly yet, see the comment in |
| 1087 | // XULContentSinkImpl::OpenScript. For non-inline scripts, this is enough, |
| 1088 | // since we can start the load when the node is inserted. Non-inline |
| 1089 | // scripts need another special-case in CloseElement. |
| 1090 | if (!sele->GetScriptIsModule()) { |
| 1091 | sele->PreventExecution(); |
| 1092 | } |
| 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | // FIXME(bug 1627474): Is this right if this is inside an <html:template>? |
| 1097 | if (result->HasAttr(nsGkAtoms::datal10nid)) { |
| 1098 | mDocument->mL10nProtoElements.InsertOrUpdate(result, RefPtr{aPrototype}); |
| 1099 | result->SetElementCreatedFromPrototypeAndHasUnmodifiedL10n(); |
| 1100 | } |
| 1101 | result.forget(aResult); |
| 1102 | return NS_OK; |
| 1103 | } |
| 1104 | |
| 1105 | nsresult PrototypeDocumentContentSink::AddAttributes( |
| 1106 | nsXULPrototypeElement* aPrototype, Element* aElement) { |
| 1107 | nsresult rv; |
| 1108 | |
| 1109 | for (size_t i = 0; i < aPrototype->mAttributes.Length(); ++i) { |
| 1110 | nsXULPrototypeAttribute* protoattr = &(aPrototype->mAttributes[i]); |
| 1111 | nsAutoString valueStr; |
| 1112 | protoattr->mValue.ToString(valueStr); |
| 1113 | |
| 1114 | rv = aElement->SetAttr(protoattr->mName.NamespaceID(), |
| 1115 | protoattr->mName.LocalName(), |
| 1116 | protoattr->mName.GetPrefix(), valueStr, false); |
| 1117 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 1118 | } |
| 1119 | |
| 1120 | return NS_OK; |
| 1121 | } |
| 1122 | |
| 1123 | } // namespace mozilla::dom |