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Add assertions that the rule walker is at the root. (Bug 507457) r=bzbarsky

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This commit is contained in:
L. David Baron 2009-08-04 15:39:53 -07:00
parent 4c50b117bb
commit f14734d0e5
1 changed files with 5 additions and 0 deletions
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5
layout/style/nsStyleSet.cpp
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@ -688,6 +688,7 @@ nsStyleSet::ResolveStyleFor(nsIContent* aContent,
"content must be element");
if (aContent && presContext) {
NS_ASSERTION(mRuleWalker->AtRoot(), "rule walker must be at root");
ElementRuleProcessorData data(presContext, aContent, mRuleWalker);
FileRules(EnumRulesMatching, &data);
result = GetContext(presContext, aParentContext, nsnull).get();
@ -707,6 +708,7 @@ nsStyleSet::ResolveStyleForRules(nsStyleContext* aParentContext, const nsCOMArra
nsPresContext *presContext = PresContext();
if (presContext) {
NS_ASSERTION(mRuleWalker->AtRoot(), "rule walker must be at root");
mRuleWalker->SetLevel(eDocSheet, PR_FALSE);
for (PRInt32 i = 0; i < rules.Count(); i++) {
mRuleWalker->Forward(rules.ObjectAt(i));
@ -726,6 +728,7 @@ nsStyleSet::ResolveStyleForNonElement(nsStyleContext* aParentContext)
nsPresContext *presContext = PresContext();
if (presContext) {
NS_ASSERTION(mRuleWalker->AtRoot(), "rule walker must be at root");
result = GetContext(presContext, aParentContext,
nsCSSAnonBoxes::mozNonElement).get();
NS_ASSERTION(mRuleWalker->AtRoot(), "rule walker must be at root");
@ -779,6 +782,7 @@ nsStyleSet::ResolvePseudoStyleFor(nsIContent* aParentContent,
"aPseudoTag must be pseudo-element or anonymous box");
if (aPseudoTag && presContext) {
NS_ASSERTION(mRuleWalker->AtRoot(), "rule walker must be at root");
PseudoRuleProcessorData data(presContext, aParentContent, aPseudoTag,
aComparator, mRuleWalker);
WalkRestrictionRule(aPseudoTag);
@ -817,6 +821,7 @@ nsStyleSet::ProbePseudoStyleFor(nsIContent* aParentContent,
"aPseudoTag must be pseudo-element or anonymous box");
if (aPseudoTag && presContext) {
NS_ASSERTION(mRuleWalker->AtRoot(), "rule walker must be at root");
PseudoRuleProcessorData data(presContext, aParentContent, aPseudoTag,
nsnull, mRuleWalker);
WalkRestrictionRule(aPseudoTag);