User:Egmetcalfe/Dead Code

Code Size: 96, Static method

nsIContent* nsContentUtils::FindFirstChildWithResolvedTag(nsIContent,PRInt32,nsIAtom)

Code Size: 92, Static method

nsIDocShell* nsContentUtils::GetDocShellFromCaller()

Code Size: 33, Static method

nsIContent* nsContentUtils::GetReferencedElement(nsIURI,nsIContent)

Code Size: 6, Static method

void nsXMLNameSpaceMap::RemovePrefix(nsIAtom*)

Code Size: 3, NS_HIDDEN_

nsresult nsPlainTextSerializer::WillProcessTokens()

MXR Search (forgot to include this in original patch)

Code Size: 2

nsresult nsAttrAndChildArray::SetAttr(nsIAtom*,const nsAString_internal&)

Run this search. Save page to file. grep for lines with only one comma: grep "^[^,]*,[^,]*$"

Code Size: 71

content/html

void nsGenericHTMLElement::GetHrefURIToMutate(nsIURI**)

Code Size: 3

nsresult nsGenericHTMLElement::SetFloatAttr(nsIAtom*,float)

Code Size: 6

MXR Search (One use in a dead macro) *

nsresult nsGenericHTMLElement::GetFloatAttr(nsIAtom,float,float)

MXR Search (One use in a dead macro) *

Code Size: 15

nsresult nsHTMLDNSPrefetch::PrefetchHigh(nsAString_internal&)

Code Size: 3

nsresult nsHTMLDNSPrefetch::PrefetchHigh(Link*)

Code Size: 3

nsresult nsHTMLDNSPrefetch::PrefetchMedium(nsAString_internal&)

Code Size: 3

nsresult nsHTMLDNSPrefetch::PrefetchMedium(Link*)

Code Size: 3

PRBool SinkContext::IsAncestorContainer(nsHTMLTag)

Code Size: 13

nsresult nsHTMLFragmentContentSink::AddTextToContent(nsIContent*,const nsAString_internal&)

Code Size: 26

content/media

nsresult nsMediaCacheStream::ReadFromCache(char*,PRInt64,PRInt64)

Code Size: 82

content/events

nsresult nsPrivateTextRange::SetRangeType(PRUint16)

Code Size: 3

nsresult nsPrivateTextRange::SetRangeEnd(PRUint16)

Code Size: 3

nsresult nsPrivateTextRange::SetRangeStart(PRUint16)

Code Size: 3

content/xslt

MBool txDouble::isNeg(double)

Code Size: 5

PRInt32 txNamespaceMap::lookupNamespace(const nsAString_internal&)

Code Size: 8

Note: Only lookupNamespace(nsIAtom*) is used

txXPathNode* txXPathNodeUtils::getDocument(const txXPathNode&)

Code Size: 11

PRBool txEarlyEvalContext::isStripSpaceAllowed(const txXPathNode&)

Code Size: 2

PRBool txExecutionState::isStripSpaceAllowed(const txXPathNode&)

Code Size: 6

PRBool txXSLTParamContext::isStripSpaceAllowed(const txXPathNode&)

Code Size: 2

Note: Difficult to check but all PRBool isStripSpaceAllowed functions are dead. There are a number of MBool isStripSpaceAllowed functions which are not, however.

nsresult txResultRecycler::getNodeSet(const txXPathNode&,txNodeSet**)

Code Size: 29

content/xul

PRBool TestNode::HasAncestor(const ReteNode*)

Code Size: 11

PRBool nsXULDocument::ContextStack::IsInsideXULTemplate()

Code Size: 16

content/xbl

nsCOMArray* nsXBLPrototypeBinding::GetStyleSheets()

Code Size: 6

content/canvas

PRUint32 mozilla::SimpleBuffer::ElementSize()

MXR Search
Code Size: 26

void mozilla::SimpleBuffer::Prepare(PRUint32,PRUint32,PRUint32)

MXR Search
Code Size: 9

void mozilla::SimpleBuffer::EnsureCapacity(PRBool,PRUint32)

MXR Search
Code Size: 19

PRBool mozilla::SimpleBuffer::InitFromJSArray(PRUint32,PRUint32,JSContext*,JSObject*,jsuint)

MXR Search

~~Code Size: 127~~

Note: SimpleBuffer has been removed in a recent revision

void mozilla::CanvasUtils::LogMessagef(const char*)

Code Size: 24

void mozilla::CanvasUtils::LogMessage(const nsCString&)

MXR Search Difficult to verify

Code Size: 26

modules/libreg

REGERR NR_RegIsWritable(HREG)

Code Size: 18

REGERR VR_PackRegistry(void*,nr_RegPackCallbackFunc)

Code Size: 9

Path Info: VR_UninstallEnumSharedFiles calls NR_RegEnumEntries

REGERR NR_RegEnumEntries(HREG,RKEY,REGENUM,char,uint32,REGINFO*)

Code Size: 60

REGERR VR_UninstallEnumSharedFiles(char,REGENUM,char*,uint32)

Code Size: 57

Note: NR_RegEnumEntries is called by nr_addNodesToNewReg which is #ifdef RESURRECT_LATER here http://mxr.mozilla.org/mozilla-central/source/modules/libreg/src/reg.c#3650 (with a comment saying resurrect after mozilla 1)

Path Info: VR_PackRegistry calls NR_RegPack

REGERR NR_RegPack(HREG,void*,nr_RegPackCallbackFunc)

Code Size: 2

REGERR VR_PackRegistry(void*,nr_RegPackCallbackFunc)

Code Size: 9

modules/libpref

nsresult PREF_GetCharPref(const char,char,int*,PRBool)

Code Size: 47

accessible

Path info: AddTargetFromChildrenHavingIDRefsAttr calls GetElementsHavingIDRefsAttr which calls GetElementsHavingIDRefsAttrImpl.

void nsCoreUtils::GetElementsHavingIDRefsAttrImpl(nsIContent,nsCString&,nsIAtom,nsIMutableArray*)

Code Size: 42

void nsCoreUtils::GetElementsHavingIDRefsAttr(nsIContent,nsIContent,nsIAtom*,nsIArray**)

Code Size: 0? Really?

nsresult nsRelUtils::AddTargetFromChildrenHavingIDRefsAttr(PRUint32,nsIAccessibleRelation**,nsIContent,nsIContent,nsIAtom*)

Code Size: 52

already_AddRefed nsAccUtils::QueryAccessibleTable(nsIAccessibleTable*)

Code Size: 7

already_AddRefed nsCoreUtils::GetLastSensibleColumn(nsITreeBoxObject*)

Code Size: 40

PRBool nsFontSizeTextAttr::GetValueFor(nsIDOMElement,nscoord)

Code Size: 8

PRBool nsBGColorTextAttr::GetValueFor(nsIDOMElement,nscolor)

Code Size: 7

PRBool nsFontWeightTextAttr::GetValueFor(nsIDOMElement,PRInt32)

Code Size: 8

Note: A number of calls to GetValueFor functions are made where the second parameter has generic type ie T blah.

Path info: GetValue calls nsCSSTextAttr::Format

PRBool nsTextAttr::GetValue(nsAString_internal&,int)

To verify run this search then grep for all lines that contain at least two commas

Code Size: 26

Note: Must also remove from nsITextAttr

These are too difficult too verify:

void nsCSSTextAttr::Format(const nsAutoString&,nsAString_internal&)

Code Size: 3

void nsTextAttr::Format(const nsAutoString&,nsAString_internal&)

Code Size: 0

void nsLangTextAttr::Format(const nsAutoString&,nsAString_internal&)

Code Size: 7

embedding/components/windowwatcher

nsIScriptGlobalObject* nsWWJSUtils::GetStaticScriptGlobal(JSContext,JSObject)

Code Size: 45, Static method

nsIScriptContext* nsWWJSUtils::GetStaticScriptContext(JSContext,JSObject)

Code Size: 10, Static method

modules/libpref

nsresult PREF_GetCharPref(const char,char,int*,PRBool)

Definition MXR Search

Code Size: 47

gfx/thebes/public

Path info: MapCharToGlyph calls MapCharToGlyphFormat4

PRUint32 gfxFontUtils::MapCharToGlyphFormat4(const PRUint8*,PRUnichar)

Code Size: 92, Static method, class marked THEBES_API

PRUint32 gfxFontUtils::MapCharToGlyph(PRUint8*,PRUint32,PRUnichar)

Code Size: 11, Static method, class marked THEBES_API

gfx/src/thebes

Path info: GetTextDimensions calls GetTextDimensionsInternal

nsresult nsThebesRenderingContext::GetTextDimensions(const PRUnichar,PRInt32,PRInt32,PRInt32,PRInt32,nsTextDimensions&,PRInt32&,nsTextDimensions&,PRInt32*)

Code Size: 56

nsresult nsThebesRenderingContext::GetTextDimensionsInternal(const PRUnichar,PRInt32,PRInt32,PRInt32,PRInt32,nsTextDimensions&,PRInt32&,nsTextDimensions&,PRInt32*)

Code Size: 2

Note: The 9 argument versions of these functions are not called. The same functions may be removed from nsIThebesFontMetrics, nsThebesFontMetrics and nsIThebesRenderingContext

nsresult nsThebesRenderingContext::DrawEllipse(const nsRect&)

Code Size: 10

Note: 1-arg func never used. Must be removed from nsIThebesRenderingContext as well

modules/libpr0n

PRUint32 imgFrame::GetImageBytesPerRow()

Code Size: 11

PRInt32 imgFrame::GetHeight()

Declaration Definition MXR Search (Dead, but a pain to check)

Code Size: 2

PRInt32 imgFrame::GetWidth()

Declaration Definition MXR Search (Dead, but a pain to check)

Code Size: 2

PRInt32 imgFrame::GetY()

Declaration Definition MXR Search (impossible to check)

Code Size: 2

PRInt32 imgFrame::GetX()

Declaration Definition MXR Search (impossible to check)

Code Size: 2

editor

nsresult nsHTMLCSSUtils::RemoveCSSProperty(nsIDOMElement*,const nsAString_internal&)

Code Size: 28

security/manager/ssl

Path Info:

CommonAsyncVerifySignature is called by AsyncVerifySignature and AsyncVerifyDetachedSignature.

nsresult nsCMSMessage::CommonAsyncVerifySignature(nsISMimeVerificationListener,unsigned char,PRUint32)

Code Size: 43

nsresult nsCMSMessage::AsyncVerifyDetachedSignature(nsISMimeVerificationListener,unsigned char,PRUint32)

Code Size: 6

nsresult nsCMSMessage::AsyncVerifySignature(nsISMimeVerificationListener*)

Code Size: 3

Also Note: AsyncVerifySignature is the only caller of these two operators in mozilla/xpcom/glue:

nsCOMPtr& nsCOMPtr::operator=(nsICMSMessage*)

Code Size: 5

nsCOMPtr& nsCOMPtr::operator=(nsISMimeVerificationListener*)

Code Size: 5

intl

nsresult nsCaseConversionImp2::ToTitle(const PRUnichar,PRUnichar,PRUint32,PRBool)

Code Size: 42

Note: Must also be removed from nsICaseConversion

PRUint16* MapperToCCMap(nsICharRepresentable*)

Code Size: 15

void nsBufferDecoderSupport::DoubleBuffer()

Code Size: 19

nsresult nsDetectionAdaptor::ProcessTokens()

Code Size: 2

nsresult nsDetectionAdaptor::WillAddToken(CToken&)

Code Size: 2

Note: ProcessTokens and WillAddTokens must be removed from nsIParserFilter as well.

nsDebugDetector::nsDebugDetector(nsDebugDetectorSel)

Code Size: 10

dom

nsresult nsIScriptGlobalObject::HandleScriptError(nsScriptErrorEvent,nsEventStatus)

Code Size: 3

parser

void nsCParserNode::SetGenericState(PRBool)

Code Size: 3

PRBool nsCParserNode::GetGenericState()

Code Size: 3

const nsAString_internal& nsCParserNode::GetTagName()

Code Size: 3

void nsCParserNode::GetSource(nsString&)

Code Size: 22

void nsCParserStartNode::GetSource(nsString&)

Code Size: 35

Note: pure virtual declarations of SetGenericState, GetGenericState, GetTagName, and GetSource must be removed from nsIParserNode as well. Although tough to check, all one argument GetSource methods (that are used) belong to classes not derived from nsIParserNode.

Path Info: nsDTDContext::PopEntry() calls nsEntryStack::PopEntry()

nsTagEntry* nsEntryStack::PopEntry()

Code Size: 7

nsTagEntry* nsDTDContext::PopEntry()

Code Size: 7

nsCParserNode* nsDTDContext::PopStyle()

Code Size: 18

nsTagEntry* nsDTDContext::LastEntry()

Code Size: 6

nsHTMLTag nsEntryStack::First()

Code Size: 7

nsHTMLTag nsDTDContext::First()

Code Size: 4

Note: First is impossible to verify using MXR but the likelihood of a false positive is low here (since the method is non-virtual and non-static)

ipc

bool mozilla::ipc::GeckoChildProcessHost::AsyncLaunch(vector)

Code Size: 17

widget

PRBool confirm_overwrite_file(GtkWidget,nsILocalFile)

Code Size: 95

nsresult nsDeviceContextSpecGTK::GetPrintMethod(PrintMethod&)

Code Size: 4

void nsPrinterFeatures::SetMultipleConcurrentDeviceContextsSupported(PRBool)

Code Size: 2

nsCursor nsBaseWidget::GetCursor()

Code Size: 2

Note: Must also be removed from nsIWidget.

extensions

nsresult nsCyrXPCOMStringDetector::DoIt(const char*,PRUint32,const char**,nsDetectionConfident&)

Code Size: 19

nsresult nsXPCOMStringDetector::DoIt(const char*,PRUint32,const char**,nsDetectionConfident&)

Code Size: 32

view

nsIntPoint nsIView::GetScreenPosition()

Code Size: 39

nsresult nsViewManager::GetViewObserver(nsIViewObserver*&)

Code Size: 16

void nsView::SetPositionIgnoringChildWidgets(nscoord,nscoord)

Code Size: 14

nsresult nsViewManager::MoveViewBy(nsIView*,nscoord,nscoord)

Code Size: 14

nsresult nsViewManager::InsertChild(nsIView,nsIView,PRInt32)

Code Size: 10

PRBool nsIView::ExternalIsRoot()

Code Size: 3

Note: Used in an NS_ASSERTION here. Why not just call nsIView::IsRoot?

layout/xul

void nsBoxFrame::FireDOMEventSynch(const nsAString_internal&,nsIContent*)

Code Size: 46

void nsGridRow::MarkDirty(nsBoxLayoutState&)

Code Size: 16

void nsBoxLayout::GetParentLayout(nsIBox*,nsIBoxLayout**)

Code Size: 9

nsGridRow* nsGrid::GetRows()

Code Size: 3

nsGridRow* nsGrid::GetColumns()

Code Size: 3

nsresult nsMenuFrame::IsActive(PRBool&)

Code Size: 3

void nsBox::AddMargin(nsSize&)

Code Size: 3

layout/base

nsIFrame* nsLayoutUtils::GetClosestCommonAncestorViaPlaceholders(nsIFrame,nsIFrame,nsIFrame*)

MXR Search (Calls itself)

Code Size: 62

nsBidi::nsBidi(PRUint32,PRUint32)

Code Size: 43

nsIFrame* nsFrameManager::GetCanvasFrame()

Code Size: 20

nsresult nsBidiPresUtils::GetBidiEngine(nsBidi**)

Code Size: 8

void nsDisplayList::DeleteBottom()

Code Size: 7

void nsFrameManager::ClearUndisplayedContentMap()

Code Size: 5

gfxContext* nsContextBoxBlur::GetContext()

MXR Search (Non-virtual function from a non-derived class: the script is probably right)

Code Size: 4

PRInt32 nsIPresShell::GetVerifyReflowFlags()

Code Size: 2

void nsIPresShell::SetVerifyReflowEnable(PRBool)

MXR Search (called by ifdef DEBUG code)

Code Size: 2

PRBool nsIPresShell::GetVerifyReflowEnable()

MXR Search (called by ifdef DEBUG code)

Code Size: 2

PRBool PresShell::nsDelayedEvent::Equals(nsPIDOMEventTarget*,PRUint32)

(Impossible to verify with MXR)

Code Size: 2

layout/style

nsresult CSSLoaderImpl::StopLoadingSheet(nsIURI*)

Code Size: 96

StopLoadingSheetsByURIClosure::StopLoadingSheetsByURIClosure(nsIURI*,nsTArray&)

MXR Search (called by StopLoadingSheet)

Code Size: 3

PRBool ::langMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

MXR Search (called by StopLoadingSheet)

Code Size: 69

const nsString* RuleProcessorData::GetLang()

MXR Search (called by StopLoadingSheet)

Code Size: 46

PRBool ::mozSystemMetricMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 9

void nsCSSCornerSizes::SetAllCornersTo(const nsCSSValue&)

MXR Search (NS_HIDDEN)

Code Size: 7

nsCSSProperty nsCSSProps::LookupProperty(const nsACString_internal&)

MXR Search (Only nsAString version used)

Code Size: 5

nsresult CSSLoaderImpl::GetPreferredSheet(nsAString_internal&)

Code Size: 4

nsCSSFontDesc nsCSSProps::LookupFontDesc(const nsACString_internal&)

MXR Search (Only the nsAString version is apparently used but what about this line?)

Code Size: 4

nsCSSKeyword nsCSSKeywords::LookupKeyword(const nsACString_internal&)

MXR Search (Only the nsAString version is apparently used but what about this line?)

Code Size: 7

nsCSSValueGradientStop::nsCSSValueGradientStop(const nsCSSValueGradientStop&)

MXR Search (Probably not a good idea to remove this)

Code Size: 7

nsCSSCornerSizes::nsCSSCornerSizes(const nsCSSCornerSizes&)

MXR Search (Probably not a good idea to remove this)

Code Size: 13

nsCSSValueListRect::nsCSSValueListRect(const nsCSSValueListRect&)

MXR Search (Probably not a good idea to remove this)

Code Size: 9

void nsCSSValue::nsCSSValue(nsCSSValueGradient*)

Code Size: 5

void nsCSSValue::nsCSSValue(Image*)

Code Size: 5

void nsCSSValue::nsCSSValue(URL*)

Code Size: 5

void nsCSSValue::nsCSSValue(Array*,nsCSSUnit)

Code Size: 5

void nsCSSValue::nsCSSValue(float,nsCSSUnit)

Code Size: 5

nsCSSValue( MXR Search (Only the no-argument and nsCSSUnit constructors are used)

PRBool nsCSSPseudoClasses::IsPseudoClass(nsIAtom*)

Code Size: 3

void nsCSSValue::SetRectIsAutoValue()

Code Size: 3

PRBool nsCSSPseudoElements::IsPseudoElement(nsIAtom*)

MXR Search (One use in an NS_ASSERTION)

Code Size: 3

nsresult nsCSSDeclaration::AppendComment(const nsAString_internal&)

Code Size: 2

PRInt32 RuleProcessorData::GetNthIndex(PRBool,PRBool,PRBool)

MXR Search (Called by edgeChildMatches, nthChildGenericMatches, edgeOfTypeMatches)

Code Size: 87

PRBool edgeOfTypeMatches(RuleProcessorData&,PRBool,PRBool,PRBool)

MXR Search (Called by firstOfTypeMatches, lastOfTypeMatches, onlyOfTypeMatches)

Code Size: 19

PRBool nthChildGenericMatches(RuleProcessorData&,PRBool,nsPseudoClassList*,PRBool,PRBool)

MXR Search (Called by nthChildMatches, nthLastChildMatches, nthOfTypeMatches, nthLastOfTypeMatches)

Code Size: 30

PRBool edgeChildMatches(RuleProcessorData&,PRBool,PRBool,PRBool)

MXR Search (Called by firstChildMatches, lastChildMatches, onlyChildMatches)

Code Size: 16

PRBool onlyOfTypeMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool lastOfTypeMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool firstOfTypeMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool nthLastOfTypeMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool nthOfTypeMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool nthLastChildMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool nthLastChildMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool nthChildMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool onlyChildMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool lastChildMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

PRBool firstChildMatches(RuleProcessorData&,PRBool,nsPseudoClassList*)

Code Size: 3

Bugs/Strangeness

layout/xul

void nsBox::CoordNeedsRecalc(PRInt32&)

Code Size: 2

This is declared in the header here as taking an ncoord& parameter however it is defined here as taking PRInt32&. This could be problematic if NS_COORD_IS_FLOAT is defined.

void nsListBoxBodyFrame::SetRowHeight(nscoord)