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Don't allocate and leak selectors that we don't need. b=252510 r+sr=bzbarsky

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This commit is contained in:
dbaron%dbaron.org 2004-07-21 21:20:14 +00:00
parent a947103290
commit 7e59447e8d
2 changed files with 28 additions and 24 deletions
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26
content/html/style/src/nsCSSParser.cpp
View File

@ -2325,16 +2325,16 @@ void CSSParserImpl::ParseNegatedSimpleSelector(PRInt32& aDataMask,
return;
}
aParsingStatus = SELECTOR_PARSING_ENDED_OK;
nsCSSSelector* newSel = new nsCSSSelector();
if (nsnull == aSelector.mNegations &&
((eCSSToken_ID == mToken.mType) ||
mToken.IsSymbol('.') ||
mToken.IsSymbol(':') ||
mToken.IsSymbol('['))) {
// ID, class and attribute selectors and pseudo-classes are stored in
// the first mNegations attached to a selector
aSelector.mNegations = newSel;
if (!aSelector.mNegations) {
aSelector.mNegations = new nsCSSSelector();
if (!aSelector.mNegations) {
aErrorCode = NS_ERROR_OUT_OF_MEMORY;
aParsingStatus = SELECTOR_PARSING_STOPPED_ERROR;
return;
}
}
// ID, class and attribute selectors and pseudo-classes are stored in
// the first mNegations attached to a selector
if (eCSSToken_ID == mToken.mType) { // #id
ParseIDSelector(aDataMask, *aSelector.mNegations, aParsingStatus, aErrorCode);
}
@ -2349,10 +2349,12 @@ void CSSParserImpl::ParseNegatedSimpleSelector(PRInt32& aDataMask,
}
else {
// then it should be a type element or universal selector
if (nsnull == aSelector.mNegations) {
aSelector.mNegations = newSel;
nsCSSSelector *newSel = new nsCSSSelector();
if (!newSel) {
aErrorCode = NS_ERROR_OUT_OF_MEMORY;
aParsingStatus = SELECTOR_PARSING_STOPPED_ERROR;
return;
}
newSel = new nsCSSSelector();
nsCSSSelector* negations = aSelector.mNegations;
while (nsnull != negations->mNegations) {
negations = negations->mNegations;

26
layout/style/nsCSSParser.cpp
View File

@ -2325,16 +2325,16 @@ void CSSParserImpl::ParseNegatedSimpleSelector(PRInt32& aDataMask,
return;
}
aParsingStatus = SELECTOR_PARSING_ENDED_OK;
nsCSSSelector* newSel = new nsCSSSelector();
if (nsnull == aSelector.mNegations &&
((eCSSToken_ID == mToken.mType) ||
mToken.IsSymbol('.') ||
mToken.IsSymbol(':') ||
mToken.IsSymbol('['))) {
// ID, class and attribute selectors and pseudo-classes are stored in
// the first mNegations attached to a selector
aSelector.mNegations = newSel;
if (!aSelector.mNegations) {
aSelector.mNegations = new nsCSSSelector();
if (!aSelector.mNegations) {
aErrorCode = NS_ERROR_OUT_OF_MEMORY;
aParsingStatus = SELECTOR_PARSING_STOPPED_ERROR;
return;
}
}
// ID, class and attribute selectors and pseudo-classes are stored in
// the first mNegations attached to a selector
if (eCSSToken_ID == mToken.mType) { // #id
ParseIDSelector(aDataMask, *aSelector.mNegations, aParsingStatus, aErrorCode);
}
@ -2349,10 +2349,12 @@ void CSSParserImpl::ParseNegatedSimpleSelector(PRInt32& aDataMask,
}
else {
// then it should be a type element or universal selector
if (nsnull == aSelector.mNegations) {
aSelector.mNegations = newSel;
nsCSSSelector *newSel = new nsCSSSelector();
if (!newSel) {
aErrorCode = NS_ERROR_OUT_OF_MEMORY;
aParsingStatus = SELECTOR_PARSING_STOPPED_ERROR;
return;
}
newSel = new nsCSSSelector();
nsCSSSelector* negations = aSelector.mNegations;
while (nsnull != negations->mNegations) {
negations = negations->mNegations;