User:Egmetcalfe/Dead Code

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Note: Code Size is a count of the number of GIMPLE instructions during pass cfg.

Contents

Unconditionally Dead

content/base

PRBool nsParserUtils::GetQuotedAttrNameAt(const nsString&,PRUint32,nsAString_internal&)

Declaration Definition MXR Search *

Code Size: 96, Static method

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

Declaration Definition MXR Search *

Code Size: 92, Static method

nsIDocShell* nsContentUtils::GetDocShellFromCaller()

Declaration Definition MXR Search *

Code Size: 33, Static method

nsIContent* nsContentUtils::GetReferencedElement(nsIURI*,nsIContent*)

MXR Search *

Code Size: 6, Static method

void nsXMLNameSpaceMap::RemovePrefix(nsIAtom*)

Declaration Definition MXR Search *

Code Size: 3, NS_HIDDEN_

nsresult nsPlainTextSerializer::WillProcessTokens()

MXR Search (forgot to include this in original patch)

Code Size: 2

content/html

void nsGenericHTMLElement::GetHrefURIToMutate(nsIURI**)

MXR Search *

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&)

MXR Search *

Code Size: 3

nsresult nsHTMLDNSPrefetch::PrefetchHigh(Link*)

MXR Search *

Code Size: 3

nsresult nsHTMLDNSPrefetch::PrefetchMedium(nsAString_internal&)

MXR Search *

Code Size: 3

nsresult nsHTMLDNSPrefetch::PrefetchMedium(Link*)

MXR Search *

Code Size: 3

PRBool SinkContext::IsAncestorContainer(nsHTMLTag)

MXR Search *

Code Size: 13

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

MXR Search *

Code Size: 26

content/media

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

MXR Search *

Code Size: 82


content/events

nsresult nsPrivateTextRange::SetRangeType(PRUint16)

MXR Search

Code Size: 3

nsresult nsPrivateTextRange::SetRangeEnd(PRUint16)

MXR Search

Code Size: 3

nsresult nsPrivateTextRange::SetRangeStart(PRUint16)

MXR Search

Code Size: 3

content/xslt

MBool txDouble::isNeg(double)

MXR Search

Code Size: 5

PRInt32 txNamespaceMap::lookupNamespace(const nsAString_internal&)

MXR Search

Code Size: 8

Note: Only lookupNamespace(nsIAtom*) is used

txXPathNode* txXPathNodeUtils::getDocument(const txXPathNode&)

MXR Search

Code Size: 11

PRBool txEarlyEvalContext::isStripSpaceAllowed(const txXPathNode&)

MXR Search

Code Size: 2

PRBool txExecutionState::isStripSpaceAllowed(const txXPathNode&)

MXR Search

Code Size: 6

PRBool txXSLTParamContext::isStripSpaceAllowed(const txXPathNode&)

MXR Search

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**)

MXR Search

Code Size: 29

content/xul

PRBool TestNode::HasAncestor(const ReteNode*)

MXR Search

Code Size: 11

PRBool nsXULDocument::ContextStack::IsInsideXULTemplate()

MXR Search

Code Size: 16

content/xbl

nsCOMArray* nsXBLPrototypeBinding::GetStyleSheets()

MXR Search

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

modules/libreg

REGERR NR_RegIsWritable(HREG)

MXR Search

Code Size: 18

REGERR VR_PackRegistry(void*,nr_RegPackCallbackFunc)

MXR Search

Code Size: 9

Path Info: VR_UninstallEnumSharedFiles calls NR_RegEnumEntries

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

MXR Search

Code Size: 60

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

MXR Search

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)

MXR Search

Code Size: 2

REGERR VR_PackRegistry(void*,nr_RegPackCallbackFunc)

MXR Search

Code Size: 9

modules/libpref

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

MXR Search

Code Size: 47

accessible

Path info: AddTargetFromChildrenHavingIDRefsAttr calls GetElementsHavingIDRefsAttrImpl

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

MXR Search

Code Size: 42

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

MXR Search

Code Size: 52

already_AddRefed nsAccUtils::QueryAccessibleTable(nsIAccessibleTable*)

MXR Search

Code Size: 7

embedding/components/windowwatcher

nsIScriptGlobalObject* nsWWJSUtils::GetStaticScriptGlobal(JSContext*,JSObject*)

Declaration Definition MXR Search

Code Size: 45, Static method

nsIScriptContext* nsWWJSUtils::GetStaticScriptContext(JSContext*,JSObject*)

Declaration Definition MXR Search

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)

Declaration Definition MXR Search

Code Size: 92, Static method, class marked THEBES_API

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

Declaration Definition MXR Search

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*)

MXR Search

Code Size: 56

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

MXR Search

Code Size: 2

MXR Search

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&)

MXR Search

Code Size: 10

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

modules/libpr0n

PRUint32 imgFrame::GetImageBytesPerRow()

Declaration Definition MXR Search

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&)

MXR Search

Code Size: 28

security/manager/ssl

Path Info:

CommonAsyncVerifySignature is called by AsyncVerifySignature and AsyncVerifyDetachedSignature.

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

MXR Search

Code Size: 43

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

MXR Search

Code Size: 6

nsresult nsCMSMessage::AsyncVerifySignature(nsISMimeVerificationListener*)

MXR Search

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

PRUint16* MapperToCCMap(nsICharRepresentable*)

MXR Search

Code Size: 15

void nsBufferDecoderSupport::DoubleBuffer()

MXR Search

Code Size: 19

nsresult nsDetectionAdaptor::ProcessTokens()

MXR Search

Code Size: 2

nsresult nsDetectionAdaptor::WillAddToken(CToken&)

MXR Search

Code Size: 2

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

dom

nsresult nsIScriptGlobalObject::HandleScriptError(nsScriptErrorEvent*,nsEventStatus*)

MXR Search

Code Size: 3

parser

void nsCParserNode::SetGenericState(PRBool)

MXR Search

Code Size: 3

PRBool nsCParserNode::GetGenericState()

MXR Search

Code Size: 3

const nsAString_internal& nsCParserNode::GetTagName()

MXR Search

Code Size: 3

void nsCParserNode::GetSource(nsString&)

Code Size: 22

MXR Search

====void nsCParserStartNode::GetSource(nsString&)===='

Search

Code Size: 35

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

Bugs/Strangeness

layout/xul

void nsBox::CoordNeedsRecalc(PRInt32&)

MXR Search

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 http://mxr.mozilla.org/mozilla-central/source/gfx/public/nsCoord.h#74] is defined.