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Bug 1729329 - Remove impossible to hit OOM errors from XSLT code. r=farre 

Differential Revision: https://phabricator.services.mozilla.com/D124679
This commit is contained in:
Peter Van der Beken 2021-10-22 15:00:42 +00:00
Родитель e226bd2a93
Коммит 89dbebeac4
14 изменённых файлов: 103 добавлений и 242 удалений
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3
dom/xslt/xpath/txExprParser.cpp
Просмотреть файл

@ -172,8 +172,7 @@ nsresult txExprParser::createExprInternal(const nsAString& aExpression,
txXPathOptimizer optimizer;
Expr* newExpr = nullptr;
rv = optimizer.optimize(expr.get(), &newExpr);
NS_ENSURE_SUCCESS(rv, rv);
optimizer.optimize(expr.get(), &newExpr);
*aExpr = newExpr ? newExpr : expr.release();

41
dom/xslt/xpath/txXPathOptimizer.cpp
Просмотреть файл

@ -46,9 +46,8 @@ class txEarlyEvalContext : public txIEvalContext {
txResultRecycler* mRecycler;
};
nsresult txXPathOptimizer::optimize(Expr* aInExpr, Expr** aOutExpr) {
void txXPathOptimizer::optimize(Expr* aInExpr, Expr** aOutExpr) {
*aOutExpr = nullptr;
nsresult rv = NS_OK;
// First check if the expression will produce the same result
// under any context.
@ -61,12 +60,12 @@ nsresult txXPathOptimizer::optimize(Expr* aInExpr, Expr** aOutExpr) {
// Don't throw if this fails since it could be that the expression
// is or contains an error-expression.
rv = aInExpr->evaluate(&context, getter_AddRefs(exprRes));
nsresult rv = aInExpr->evaluate(&context, getter_AddRefs(exprRes));
if (NS_SUCCEEDED(rv)) {
*aOutExpr = new txLiteralExpr(exprRes);
}
return NS_OK;
return;
}
// Then optimize sub expressions
@ -74,8 +73,7 @@ nsresult txXPathOptimizer::optimize(Expr* aInExpr, Expr** aOutExpr) {
Expr* subExpr;
while ((subExpr = aInExpr->getSubExprAt(i))) {
Expr* newExpr = nullptr;
rv = optimize(subExpr, &newExpr);
NS_ENSURE_SUCCESS(rv, rv);
optimize(subExpr, &newExpr);
if (newExpr) {
delete subExpr;
aInExpr->setSubExprAt(i, newExpr);
@ -87,22 +85,23 @@ nsresult txXPathOptimizer::optimize(Expr* aInExpr, Expr** aOutExpr) {
// Finally see if current expression can be optimized
switch (exprType) {
case Expr::LOCATIONSTEP_EXPR:
return optimizeStep(aInExpr, aOutExpr);
optimizeStep(aInExpr, aOutExpr);
return;
case Expr::PATH_EXPR:
return optimizePath(aInExpr, aOutExpr);
optimizePath(aInExpr, aOutExpr);
return;
case Expr::UNION_EXPR:
return optimizeUnion(aInExpr, aOutExpr);
optimizeUnion(aInExpr, aOutExpr);
return;
default:
break;
return;
}
return NS_OK;
}
nsresult txXPathOptimizer::optimizeStep(Expr* aInExpr, Expr** aOutExpr) {
void txXPathOptimizer::optimizeStep(Expr* aInExpr, Expr** aOutExpr) {
LocationStep* step = static_cast<LocationStep*>(aInExpr);
if (step->getAxisIdentifier() == LocationStep::ATTRIBUTE_AXIS) {
@ -114,7 +113,7 @@ nsresult txXPathOptimizer::optimizeStep(Expr* aInExpr, Expr** aOutExpr) {
->mLocalName != nsGkAtoms::_asterisk) {
*aOutExpr = new txNamedAttributeStep(
nameTest->mNamespace, nameTest->mPrefix, nameTest->mLocalName);
return NS_OK; // return since we no longer have a step-object.
return; // return since we no longer have a step-object.
}
}
@ -127,11 +126,9 @@ nsresult txXPathOptimizer::optimizeStep(Expr* aInExpr, Expr** aOutExpr) {
step->dropFirst();
step->setNodeTest(predTest);
}
return NS_OK;
}
nsresult txXPathOptimizer::optimizePath(Expr* aInExpr, Expr** aOutExpr) {
void txXPathOptimizer::optimizePath(Expr* aInExpr, Expr** aOutExpr) {
PathExpr* path = static_cast<PathExpr*>(aInExpr);
uint32_t i;
@ -173,7 +170,7 @@ nsresult txXPathOptimizer::optimizePath(Expr* aInExpr, Expr** aOutExpr) {
*aOutExpr = path->getSubExprAt(1);
path->setSubExprAt(1, nullptr);
return NS_OK;
return;
}
// Just delete the '.' step and leave the rest of the PathExpr
@ -181,11 +178,9 @@ nsresult txXPathOptimizer::optimizePath(Expr* aInExpr, Expr** aOutExpr) {
}
}
}
return NS_OK;
}
nsresult txXPathOptimizer::optimizeUnion(Expr* aInExpr, Expr** aOutExpr) {
void txXPathOptimizer::optimizeUnion(Expr* aInExpr, Expr** aOutExpr) {
UnionExpr* uni = static_cast<UnionExpr*>(aInExpr);
// Check for expressions like "foo | bar" and
@ -245,9 +240,7 @@ nsresult txXPathOptimizer::optimizeUnion(Expr* aInExpr, Expr** aOutExpr) {
*aOutExpr = currentStep;
// Return right away since we no longer have a union
return NS_OK;
return;
}
}
return NS_OK;
}

8
dom/xslt/xpath/txXPathOptimizer.h
Просмотреть файл

@ -18,13 +18,13 @@ class txXPathOptimizer {
* @param aOutExpr Resulting expression, null if optimization didn't
* result in a new expression.
*/
nsresult optimize(Expr* aInExpr, Expr** aOutExpr);
void optimize(Expr* aInExpr, Expr** aOutExpr);
private:
// Helper methods for optimizing specific classes
nsresult optimizeStep(Expr* aInExpr, Expr** aOutExpr);
nsresult optimizePath(Expr* aInExpr, Expr** aOutExpr);
nsresult optimizeUnion(Expr* aInExpr, Expr** aOutExpr);
void optimizeStep(Expr* aInExpr, Expr** aOutExpr);
void optimizePath(Expr* aInExpr, Expr** aOutExpr);
void optimizeUnion(Expr* aInExpr, Expr** aOutExpr);
};
#endif

18
dom/xslt/xslt/txPatternOptimizer.cpp
Просмотреть файл

@ -6,18 +6,16 @@
#include "txPatternOptimizer.h"
#include "txXSLTPatterns.h"
nsresult txPatternOptimizer::optimize(txPattern* aInPattern,
void txPatternOptimizer::optimize(txPattern* aInPattern,
txPattern** aOutPattern) {
*aOutPattern = nullptr;
nsresult rv = NS_OK;
// First optimize sub expressions
uint32_t i = 0;
Expr* subExpr;
while ((subExpr = aInPattern->getSubExprAt(i))) {
Expr* newExpr = nullptr;
rv = mXPathOptimizer.optimize(subExpr, &newExpr);
NS_ENSURE_SUCCESS(rv, rv);
mXPathOptimizer.optimize(subExpr, &newExpr);
if (newExpr) {
delete subExpr;
aInPattern->setSubExprAt(i, newExpr);
@ -31,8 +29,7 @@ nsresult txPatternOptimizer::optimize(txPattern* aInPattern,
i = 0;
while ((subPattern = aInPattern->getSubPatternAt(i))) {
txPattern* newPattern = nullptr;
rv = optimize(subPattern, &newPattern);
NS_ENSURE_SUCCESS(rv, rv);
optimize(subPattern, &newPattern);
if (newPattern) {
delete subPattern;
aInPattern->setSubPatternAt(i, newPattern);
@ -44,16 +41,15 @@ nsresult txPatternOptimizer::optimize(txPattern* aInPattern,
// Finally see if current pattern can be optimized
switch (aInPattern->getType()) {
case txPattern::STEP_PATTERN:
return optimizeStep(aInPattern, aOutPattern);
optimizeStep(aInPattern, aOutPattern);
return;
default:
break;
}
return NS_OK;
}
nsresult txPatternOptimizer::optimizeStep(txPattern* aInPattern,
void txPatternOptimizer::optimizeStep(txPattern* aInPattern,
txPattern** aOutPattern) {
txStepPattern* step = static_cast<txStepPattern*>(aInPattern);
@ -66,6 +62,4 @@ nsresult txPatternOptimizer::optimizeStep(txPattern* aInPattern,
step->dropFirst();
step->setNodeTest(predTest);
}
return NS_OK;
}

4
dom/xslt/xslt/txPatternOptimizer.h
Просмотреть файл

@ -18,11 +18,11 @@ class txPatternOptimizer {
* @param aOutPattern Resulting pattern, null if optimization didn't
* result in a new pattern.
*/
nsresult optimize(txPattern* aInPattern, txPattern** aOutPattern);
void optimize(txPattern* aInPattern, txPattern** aOutPattern);
private:
// Helper methods for optimizing specific classes
nsresult optimizeStep(txPattern* aInPattern, txPattern** aOutPattern);
void optimizeStep(txPattern* aInPattern, txPattern** aOutPattern);
txXPathOptimizer mXPathOptimizer;
};

43
dom/xslt/xslt/txPatternParser.cpp
Просмотреть файл

@ -34,8 +34,7 @@ nsresult txPatternParser::createPattern(const nsString& aPattern,
txPatternOptimizer optimizer;
txPattern* newPattern = nullptr;
rv = optimizer.optimize(pattern.get(), &newPattern);
NS_ENSURE_SUCCESS(rv, rv);
optimizer.optimize(pattern.get(), &newPattern);
*aResult = newPattern ? newPattern : pattern.release();
@ -63,14 +62,7 @@ nsresult txPatternParser::createUnionPattern(txExprLexer& aLexer,
}
txUnionPattern* unionPattern = new txUnionPattern();
rv = unionPattern->addPattern(locPath);
#if 0 // XXX addPattern can't fail yet, it doesn't check for mem
if (NS_FAILED(rv)) {
delete unionPattern;
delete locPath;
return rv;
}
#endif
unionPattern->addPattern(locPath);
aLexer.nextToken();
do {
@ -79,14 +71,7 @@ nsresult txPatternParser::createUnionPattern(txExprLexer& aLexer,
delete unionPattern;
return rv;
}
rv = unionPattern->addPattern(locPath);
#if 0 // XXX addPattern can't fail yet, it doesn't check for mem
if (NS_FAILED(rv)) {
delete unionPattern;
delete locPath;
return rv;
}
#endif
unionPattern->addPattern(locPath);
type = aLexer.nextToken()->mType;
} while (type == Token::UNION_OP);
@ -158,21 +143,10 @@ nsresult txPatternParser::createLocPathPattern(txExprLexer& aLexer,
root->setSerialize(false);
#endif
rv = pathPattern->addStep(root, isChild);
if (NS_FAILED(rv)) {
delete stepPattern;
delete pathPattern;
delete root;
return NS_ERROR_OUT_OF_MEMORY;
}
pathPattern->addStep(root, isChild);
}
rv = pathPattern->addStep(stepPattern, isChild);
if (NS_FAILED(rv)) {
delete stepPattern;
delete pathPattern;
return NS_ERROR_OUT_OF_MEMORY;
}
pathPattern->addStep(stepPattern, isChild);
stepPattern = 0; // stepPattern is part of pathPattern now
while (type == Token::PARENT_OP || type == Token::ANCESTOR_OP) {
@ -183,12 +157,7 @@ nsresult txPatternParser::createLocPathPattern(txExprLexer& aLexer,
delete pathPattern;
return rv;
}
rv = pathPattern->addStep(stepPattern, isChild);
if (NS_FAILED(rv)) {
delete stepPattern;
delete pathPattern;
return NS_ERROR_OUT_OF_MEMORY;
}
pathPattern->addStep(stepPattern, isChild);
stepPattern = 0; // stepPattern is part of pathPattern now
type = aLexer.peek()->mType;
}

189
dom/xslt/xslt/txStylesheetCompileHandlers.cpp
Просмотреть файл

@ -46,7 +46,7 @@ static nsresult txFnStartLRE(int32_t aNamespaceID, nsAtom* aLocalName,
nsAtom* aPrefix, txStylesheetAttr* aAttributes,
int32_t aAttrCount,
txStylesheetCompilerState& aState);
static nsresult txFnEndLRE(txStylesheetCompilerState& aState);
static void txFnEndLRE(txStylesheetCompilerState& aState);
#define TX_RETURN_IF_WHITESPACE(_str, _state) \
do { \
@ -348,9 +348,7 @@ static nsresult txFnStartElementIgnore(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndElementIgnore(txStylesheetCompilerState& aState) {
return NS_OK;
}
static void txFnEndElementIgnore(txStylesheetCompilerState& aState) {}
static nsresult txFnStartElementSetIgnore(int32_t aNamespaceID,
nsAtom* aLocalName, nsAtom* aPrefix,
@ -366,9 +364,8 @@ static nsresult txFnStartElementSetIgnore(int32_t aNamespaceID,
return NS_OK;
}
static nsresult txFnEndElementSetIgnore(txStylesheetCompilerState& aState) {
static void txFnEndElementSetIgnore(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
static nsresult txFnStartElementError(int32_t aNamespaceID, nsAtom* aLocalName,
@ -379,9 +376,8 @@ static nsresult txFnStartElementError(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_ERROR_XSLT_PARSE_FAILURE;
}
static nsresult txFnEndElementError(txStylesheetCompilerState& aState) {
NS_ERROR("txFnEndElementError shouldn't be called");
return NS_ERROR_XSLT_PARSE_FAILURE;
static void txFnEndElementError(txStylesheetCompilerState& aState) {
MOZ_CRASH("txFnEndElementError shouldn't be called");
}
/**
@ -412,9 +408,8 @@ static nsresult txFnStartStylesheet(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndStylesheet(txStylesheetCompilerState& aState) {
static void txFnEndStylesheet(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
static nsresult txFnStartElementContinueTopLevel(
@ -451,17 +446,14 @@ static nsresult txFnStartLREStylesheet(int32_t aNamespaceID, nsAtom* aLocalName,
aAttrCount, aState);
}
static nsresult txFnEndLREStylesheet(txStylesheetCompilerState& aState) {
nsresult rv = txFnEndLRE(aState);
NS_ENSURE_SUCCESS(rv, rv);
static void txFnEndLREStylesheet(txStylesheetCompilerState& aState) {
txFnEndLRE(aState);
aState.popHandlerTable();
aState.addInstruction(MakeUnique<txReturn>());
aState.closeInstructionContainer();
return NS_OK;
}
static nsresult txFnStartEmbed(int32_t aNamespaceID, nsAtom* aLocalName,
@ -480,13 +472,12 @@ static nsresult txFnStartEmbed(int32_t aNamespaceID, nsAtom* aLocalName,
aAttrCount, aState);
}
static nsresult txFnEndEmbed(txStylesheetCompilerState& aState) {
static void txFnEndEmbed(txStylesheetCompilerState& aState) {
if (!aState.handleEmbeddedSheet()) {
return NS_OK;
return;
}
nsresult rv = txFnEndStylesheet(aState);
txFnEndStylesheet(aState);
aState.doneEmbedding();
return rv;
}
/**
@ -507,9 +498,8 @@ static nsresult txFnStartOtherTop(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndOtherTop(txStylesheetCompilerState& aState) {
static void txFnEndOtherTop(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
// xsl:attribute-set
@ -537,14 +527,12 @@ static nsresult txFnStartAttributeSet(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndAttributeSet(txStylesheetCompilerState& aState) {
static void txFnEndAttributeSet(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
aState.addInstruction(MakeUnique<txReturn>());
aState.closeInstructionContainer();
return NS_OK;
}
// xsl:decimal-format
@ -617,10 +605,8 @@ static nsresult txFnStartDecimalFormat(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndDecimalFormat(txStylesheetCompilerState& aState) {
static void txFnEndDecimalFormat(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
// xsl:import
@ -648,10 +634,8 @@ static nsresult txFnStartImport(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndImport(txStylesheetCompilerState& aState) {
static void txFnEndImport(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
// xsl:include
@ -674,10 +658,8 @@ static nsresult txFnStartInclude(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndInclude(txStylesheetCompilerState& aState) {
static void txFnEndInclude(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
// xsl:key
@ -712,10 +694,8 @@ static nsresult txFnStartKey(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndKey(txStylesheetCompilerState& aState) {
static void txFnEndKey(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
// xsl:namespace-alias
@ -740,10 +720,8 @@ static nsresult txFnStartNamespaceAlias(int32_t aNamespaceID,
return NS_OK;
}
static nsresult txFnEndNamespaceAlias(txStylesheetCompilerState& aState) {
static void txFnEndNamespaceAlias(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
// xsl:output
@ -839,10 +817,8 @@ static nsresult txFnStartOutput(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndOutput(txStylesheetCompilerState& aState) {
static void txFnEndOutput(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
// xsl:strip-space/xsl:preserve-space
@ -897,12 +873,8 @@ static nsresult txFnStartStripSpace(int32_t aNamespaceID, nsAtom* aLocalName,
ns = aState.mElementContext->mMappings->lookupNamespace(prefix);
NS_ENSURE_TRUE(ns != kNameSpaceID_Unknown, NS_ERROR_FAILURE);
}
UniquePtr<txStripSpaceTest> sst(
stripItem->addStripSpaceTest(
new txStripSpaceTest(prefix, localName, ns, strip));
rv = stripItem->addStripSpaceTest(sst.get());
NS_ENSURE_SUCCESS(rv, rv);
Unused << sst.release();
}
aState.addToplevelItem(stripItem.release());
@ -912,10 +884,8 @@ static nsresult txFnStartStripSpace(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndStripSpace(txStylesheetCompilerState& aState) {
static void txFnEndStripSpace(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
// xsl:template
@ -955,14 +925,12 @@ static nsresult txFnStartTemplate(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndTemplate(txStylesheetCompilerState& aState) {
static void txFnEndTemplate(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
aState.addInstruction(MakeUnique<txReturn>());
aState.closeInstructionContainer();
return NS_OK;
}
// xsl:variable, xsl:param
@ -999,7 +967,7 @@ static nsresult txFnStartTopVariable(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndTopVariable(txStylesheetCompilerState& aState) {
static void txFnEndTopVariable(txStylesheetCompilerState& aState) {
txHandlerTable* prev = aState.mHandlerTable;
aState.popHandlerTable();
txVariableItem* var =
@ -1015,8 +983,6 @@ static nsresult txFnEndTopVariable(txStylesheetCompilerState& aState) {
}
aState.closeInstructionContainer();
return NS_OK;
}
static nsresult txFnStartElementStartTopVar(int32_t aNamespaceID,
@ -1090,10 +1056,8 @@ static nsresult txFnStartLRE(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndLRE(txStylesheetCompilerState& aState) {
static void txFnEndLRE(txStylesheetCompilerState& aState) {
aState.addInstruction(MakeUnique<txEndElement>());
return NS_OK;
}
/*
@ -1129,10 +1093,8 @@ static nsresult txFnStartApplyImports(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndApplyImports(txStylesheetCompilerState& aState) {
static void txFnEndApplyImports(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
/*
@ -1181,7 +1143,7 @@ static nsresult txFnStartApplyTemplates(int32_t aNamespaceID,
return NS_OK;
}
static nsresult txFnEndApplyTemplates(txStylesheetCompilerState& aState) {
static void txFnEndApplyTemplates(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
txPushNewContext* pushcontext =
@ -1194,8 +1156,6 @@ static nsresult txFnEndApplyTemplates(txStylesheetCompilerState& aState) {
aState.addInstruction(MakeUnique<txLoopNodeSet>(instr));
pushcontext->mBailTarget = aState.addInstruction(MakeUnique<txPopParams>());
return NS_OK;
}
/*
@ -1234,11 +1194,9 @@ static nsresult txFnStartAttribute(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndAttribute(txStylesheetCompilerState& aState) {
static void txFnEndAttribute(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
aState.addInstruction(popInstruction(aState));
return NS_OK;
}
/*
@ -1270,15 +1228,13 @@ static nsresult txFnStartCallTemplate(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndCallTemplate(txStylesheetCompilerState& aState) {
static void txFnEndCallTemplate(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
// txCallTemplate
aState.addInstruction(popInstruction(aState));
aState.addInstruction(MakeUnique<txPopParams>());
return NS_OK;
}
/*
@ -1306,19 +1262,15 @@ static nsresult txFnStartChoose(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndChoose(txStylesheetCompilerState& aState) {
nsresult rv = NS_OK;
static void txFnEndChoose(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
txListIterator iter(aState.mChooseGotoList.get());
txGoTo* gotoinstr;
while ((gotoinstr = static_cast<txGoTo*>(iter.next()))) {
rv = aState.addGotoTarget(&gotoinstr->mTarget);
NS_ENSURE_SUCCESS(rv, rv);
aState.addGotoTarget(&gotoinstr->mTarget);
}
aState.popChooseGotoList();
return NS_OK;
}
/*
@ -1337,10 +1289,8 @@ static nsresult txFnStartComment(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndComment(txStylesheetCompilerState& aState) {
static void txFnEndComment(txStylesheetCompilerState& aState) {
aState.addInstruction(MakeUnique<txComment>());
return NS_OK;
}
/*
@ -1361,11 +1311,11 @@ static nsresult txFnStartCopy(int32_t aNamespaceID, nsAtom* aLocalName,
return parseUseAttrSets(aAttributes, aAttrCount, false, aState);
}
static nsresult txFnEndCopy(txStylesheetCompilerState& aState) {
static void txFnEndCopy(txStylesheetCompilerState& aState) {
aState.addInstruction(MakeUnique<txEndElement>());
txCopy* copy = static_cast<txCopy*>(aState.popPtr(aState.eCopy));
return aState.addGotoTarget(&copy->mBailTarget);
aState.addGotoTarget(&copy->mBailTarget);
}
/*
@ -1391,9 +1341,8 @@ static nsresult txFnStartCopyOf(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndCopyOf(txStylesheetCompilerState& aState) {
static void txFnEndCopyOf(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
/*
@ -1428,10 +1377,8 @@ static nsresult txFnStartElement(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndElement(txStylesheetCompilerState& aState) {
static void txFnEndElement(txStylesheetCompilerState& aState) {
aState.addInstruction(MakeUnique<txEndElement>());
return NS_OK;
}
/*
@ -1451,12 +1398,11 @@ static nsresult txFnStartFallback(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndFallback(txStylesheetCompilerState& aState) {
static void txFnEndFallback(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
NS_ASSERTION(!aState.mSearchingForFallback,
"bad nesting of unknown-instruction and fallback handlers");
return NS_OK;
}
/*
@ -1492,7 +1438,7 @@ static nsresult txFnStartForEach(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndForEach(txStylesheetCompilerState& aState) {
static void txFnEndForEach(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
// This is a txPushNullTemplateRule
@ -1505,8 +1451,6 @@ static nsresult txFnEndForEach(txStylesheetCompilerState& aState) {
txPushNewContext* pushcontext =
static_cast<txPushNewContext*>(aState.popPtr(aState.ePushNewContext));
aState.addGotoTarget(&pushcontext->mBailTarget);
return NS_OK;
}
static nsresult txFnStartElementContinueTemplate(
@ -1552,10 +1496,10 @@ static nsresult txFnStartIf(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndIf(txStylesheetCompilerState& aState) {
static void txFnEndIf(txStylesheetCompilerState& aState) {
txConditionalGoto* condGoto =
static_cast<txConditionalGoto*>(aState.popPtr(aState.eConditionalGoto));
return aState.addGotoTarget(&condGoto->mTarget);
aState.addGotoTarget(&condGoto->mTarget);
}
/*
@ -1581,10 +1525,8 @@ static nsresult txFnStartMessage(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndMessage(txStylesheetCompilerState& aState) {
static void txFnEndMessage(txStylesheetCompilerState& aState) {
aState.addInstruction(popInstruction(aState));
return NS_OK;
}
/*
@ -1662,10 +1604,8 @@ static nsresult txFnStartNumber(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndNumber(txStylesheetCompilerState& aState) {
static void txFnEndNumber(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
/*
@ -1683,11 +1623,9 @@ static nsresult txFnStartOtherwise(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndOtherwise(txStylesheetCompilerState& aState) {
static void txFnEndOtherwise(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
aState.mHandlerTable = gTxIgnoreHandler; // XXX should be gTxErrorHandler
return NS_OK;
}
/*
@ -1732,7 +1670,7 @@ static nsresult txFnStartParam(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndParam(txStylesheetCompilerState& aState) {
static void txFnEndParam(txStylesheetCompilerState& aState) {
UniquePtr<txSetVariable> var = popInstruction<txSetVariable>(aState);
txHandlerTable* prev = aState.mHandlerTable;
aState.popHandlerTable();
@ -1743,16 +1681,13 @@ static nsresult txFnEndParam(txStylesheetCompilerState& aState) {
var->mValue = MakeUnique<txLiteralExpr>(u""_ns);
}
nsresult rv = aState.addVariable(var->mName);
NS_ENSURE_SUCCESS(rv, rv);
aState.addVariable(var->mName);
aState.addInstruction(std::move(var));
txCheckParam* checkParam =
static_cast<txCheckParam*>(aState.popPtr(aState.eCheckParam));
aState.addGotoTarget(&checkParam->mBailTarget);
return NS_OK;
}
/*
@ -1778,10 +1713,8 @@ static nsresult txFnStartPI(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndPI(txStylesheetCompilerState& aState) {
static void txFnEndPI(txStylesheetCompilerState& aState) {
aState.addInstruction(popInstruction(aState));
return NS_OK;
}
/*
@ -1834,10 +1767,8 @@ static nsresult txFnStartSort(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndSort(txStylesheetCompilerState& aState) {
static void txFnEndSort(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
/*
@ -1864,10 +1795,9 @@ static nsresult txFnStartText(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndText(txStylesheetCompilerState& aState) {
static void txFnEndText(txStylesheetCompilerState& aState) {
aState.mDOE = false;
aState.popHandlerTable();
return NS_OK;
}
static nsresult txFnTextText(const nsAString& aStr,
@ -1905,9 +1835,8 @@ static nsresult txFnStartValueOf(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndValueOf(txStylesheetCompilerState& aState) {
static void txFnEndValueOf(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
return NS_OK;
}
/*
@ -1948,7 +1877,7 @@ static nsresult txFnStartVariable(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndVariable(txStylesheetCompilerState& aState) {
static void txFnEndVariable(txStylesheetCompilerState& aState) {
UniquePtr<txSetVariable> var = popInstruction<txSetVariable>(aState);
txHandlerTable* prev = aState.mHandlerTable;
@ -1960,12 +1889,9 @@ static nsresult txFnEndVariable(txStylesheetCompilerState& aState) {
var->mValue = MakeUnique<txLiteralExpr>(u""_ns);
}
nsresult rv = aState.addVariable(var->mName);
NS_ENSURE_SUCCESS(rv, rv);
aState.addVariable(var->mName);
aState.addInstruction(std::move(var));
return NS_OK;
}
static nsresult txFnStartElementStartRTF(int32_t aNamespaceID,
@ -2016,17 +1942,14 @@ static nsresult txFnStartWhen(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndWhen(txStylesheetCompilerState& aState) {
static void txFnEndWhen(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
aState.mChooseGotoList->add(
aState.addInstruction(MakeUnique<txGoTo>(nullptr)));
txConditionalGoto* condGoto =
static_cast<txConditionalGoto*>(aState.popPtr(aState.eConditionalGoto));
nsresult rv = aState.addGotoTarget(&condGoto->mTarget);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
aState.addGotoTarget(&condGoto->mTarget);
}
/*
@ -2066,7 +1989,7 @@ static nsresult txFnStartWithParam(int32_t aNamespaceID, nsAtom* aLocalName,
return NS_OK;
}
static nsresult txFnEndWithParam(txStylesheetCompilerState& aState) {
static void txFnEndWithParam(txStylesheetCompilerState& aState) {
UniquePtr<txSetParam> var = popInstruction<txSetParam>(aState);
txHandlerTable* prev = aState.mHandlerTable;
aState.popHandlerTable();
@ -2078,8 +2001,6 @@ static nsresult txFnEndWithParam(txStylesheetCompilerState& aState) {
}
aState.addInstruction(std::move(var));
return NS_OK;
}
/*
@ -2108,7 +2029,7 @@ static nsresult txFnStartUnknownInstruction(int32_t aNamespaceID,
return NS_OK;
}
static nsresult txFnEndUnknownInstruction(txStylesheetCompilerState& aState) {
static void txFnEndUnknownInstruction(txStylesheetCompilerState& aState) {
aState.popHandlerTable();
if (aState.mSearchingForFallback) {
@ -2116,8 +2037,6 @@ static nsresult txFnEndUnknownInstruction(txStylesheetCompilerState& aState) {
}
aState.mSearchingForFallback = false;
return NS_OK;
}
/**

2
dom/xslt/xslt/txStylesheetCompileHandlers.h
Просмотреть файл

@ -18,7 +18,7 @@ using HandleStartFn = nsresult (*)(int32_t aNamespaceID, nsAtom* aLocalName,
txStylesheetAttr* aAttributes,
int32_t aAttrCount,
txStylesheetCompilerState& aState);
using HandleEndFn = nsresult (*)(txStylesheetCompilerState& aState);
using HandleEndFn = void (*)(txStylesheetCompilerState& aState);
using HandleTextFn = nsresult (*)(const nsAString& aStr,
txStylesheetCompilerState& aState);

13
dom/xslt/xslt/txStylesheetCompiler.cpp
Просмотреть файл

@ -302,8 +302,7 @@ nsresult txStylesheetCompiler::endElement() {
const txElementHandler* handler = const_cast<const txElementHandler*>(
static_cast<txElementHandler*>(popPtr(eElementHandler)));
rv = (handler->mEndFunction)(*this);
NS_ENSURE_SUCCESS(rv, rv);
(handler->mEndFunction)(*this);
if (!--mElementContext->mDepth) {
// this will delete the old object
@ -504,7 +503,6 @@ nsresult txStylesheetCompilerState::init(const nsAString& aStylesheetURI,
}
mElementContext = MakeUnique<txElementContext>(aStylesheetURI);
NS_ENSURE_TRUE(mElementContext->mMappings, NS_ERROR_OUT_OF_MEMORY);
// Push the "old" txElementContext
pushObject(nullptr);
@ -689,17 +687,12 @@ nsresult txStylesheetCompilerState::loadImportedStylesheet(
return rv;
}
nsresult txStylesheetCompilerState::addGotoTarget(
txInstruction** aTargetPointer) {
void txStylesheetCompilerState::addGotoTarget(txInstruction** aTargetPointer) {
mGotoTargetPointers.AppendElement(aTargetPointer);
return NS_OK;
}
nsresult txStylesheetCompilerState::addVariable(const txExpandedName& aName) {
void txStylesheetCompilerState::addVariable(const txExpandedName& aName) {
mInScopeVariables.AppendElement(new txInScopeVariable(aName));
return NS_OK;
}
nsresult txStylesheetCompilerState::resolveNamespacePrefix(nsAtom* aPrefix,

4
dom/xslt/xslt/txStylesheetCompiler.h
Просмотреть файл

@ -114,8 +114,8 @@ class txStylesheetCompilerState : public txIParseContext {
txStylesheet::ImportFrame* aFrame);
// misc
nsresult addGotoTarget(txInstruction** aTargetPointer);
nsresult addVariable(const txExpandedName& aName);
void addGotoTarget(txInstruction** aTargetPointer);
void addVariable(const txExpandedName& aName);
// txIParseContext
nsresult resolveNamespacePrefix(nsAtom* aPrefix, int32_t& aID) override;

5
dom/xslt/xslt/txToplevelItems.cpp
Просмотреть файл

@ -27,11 +27,8 @@ txStripSpaceItem::~txStripSpaceItem() {
}
}
nsresult txStripSpaceItem::addStripSpaceTest(
txStripSpaceTest* aStripSpaceTest) {
void txStripSpaceItem::addStripSpaceTest(txStripSpaceTest* aStripSpaceTest) {
mStripSpaceTests.AppendElement(aStripSpaceTest);
return NS_OK;
}
TX_IMPL_GETTYPE(txTemplateItem, txToplevelItem::templ)

2
dom/xslt/xslt/txToplevelItems.h
Просмотреть файл

@ -82,7 +82,7 @@ class txStripSpaceItem : public txToplevelItem {
TX_DECL_TOPLEVELITEM
nsresult addStripSpaceTest(txStripSpaceTest* aStripSpaceTest);
void addStripSpaceTest(txStripSpaceTest* aStripSpaceTest);
nsTArray<txStripSpaceTest*> mStripSpaceTests;
};

4
dom/xslt/xslt/txXSLTPatterns.cpp
Просмотреть файл

@ -92,12 +92,10 @@ void txUnionPattern::toString(nsAString& aDest) {
* (dealt with by the parser)
*/
nsresult txLocPathPattern::addStep(txPattern* aPattern, bool isChild) {
void txLocPathPattern::addStep(txPattern* aPattern, bool isChild) {
Step* step = mSteps.AppendElement();
step->pattern = WrapUnique(aPattern);
step->isChild = isChild;
return NS_OK;
}
nsresult txLocPathPattern::matches(const txXPathNode& aNode,

5
dom/xslt/xslt/txXSLTPatterns.h
Просмотреть файл

@ -102,9 +102,8 @@ class txPattern {
class txUnionPattern : public txPattern {
public:
nsresult addPattern(txPattern* aPattern) {
void addPattern(txPattern* aPattern) {
mLocPathPatterns.AppendElement(aPattern);
return NS_OK;
}
TX_DECL_PATTERN;
@ -116,7 +115,7 @@ class txUnionPattern : public txPattern {
class txLocPathPattern : public txPattern {
public:
nsresult addStep(txPattern* aPattern, bool isChild);
void addStep(txPattern* aPattern, bool isChild);
TX_DECL_PATTERN;