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Bug 1355479 - Flatten attribute storage in the HTML parser to AutoTArray to avoid malloc.

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HTML Regen.

Tag UXP Issue #1344
This commit is contained in:
Gaming4JC 2020-01-18 16:08:45 -05:00 • committed by Roy Tam
commit 84ba7ad062
18 changed files with 66 additions and 71 deletions
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58
parser/html/nsHtml5AttributeName.cpp
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@ -48,14 +48,12 @@
#include "nsHtml5TreeBuilder.h"
#include "nsHtml5MetaScanner.h"
#include "nsHtml5ElementName.h"
#include "nsHtml5HtmlAttributes.h"
#include "nsHtml5StackNode.h"
#include "nsHtml5UTF16Buffer.h"
#include "nsHtml5StateSnapshot.h"
#include "nsHtml5Portability.h"
#include "nsHtml5AttributeName.h"
#include "nsHtml5ReleasableAttributeName.h"
int32_t* nsHtml5AttributeName::ALL_NO_NS = 0;
int32_t* nsHtml5AttributeName::XMLNS_NS = 0;
@ -111,35 +109,55 @@ nsHtml5AttributeName::nameByBuffer(char16_t* buf, int32_t offset, int32_t length
uint32_t hash = nsHtml5AttributeName::bufToHash(buf, length);
int32_t index = nsHtml5AttributeName::ATTRIBUTE_HASHES.binarySearch(hash);
if (index < 0) {
return nsHtml5AttributeName::createAttributeName(nsHtml5Portability::newLocalNameFromBuffer(buf, offset, length, interner));
} else {
nsHtml5AttributeName* attributeName = nsHtml5AttributeName::ATTRIBUTE_NAMES[index];
nsIAtom* name = attributeName->getLocal(NS_HTML5ATTRIBUTE_NAME_HTML);
if (!nsHtml5Portability::localEqualsBuffer(name, buf, offset, length)) {
return nsHtml5AttributeName::createAttributeName(nsHtml5Portability::newLocalNameFromBuffer(buf, offset, length, interner));
}
return attributeName;
return nullptr;
}
nsHtml5AttributeName* attributeName = nsHtml5AttributeName::ATTRIBUTE_NAMES[index];
nsIAtom* name = attributeName->getLocal(NS_HTML5ATTRIBUTE_NAME_HTML);
if (!nsHtml5Portability::localEqualsBuffer(name, buf, offset, length)) {
return nullptr;
}
return attributeName;
}
nsHtml5AttributeName::nsHtml5AttributeName(int32_t* uri, nsIAtom** local, nsIAtom** prefix)
: uri(uri),
local(local),
prefix(prefix)
prefix(prefix),
custom(false)
{
MOZ_COUNT_CTOR(nsHtml5AttributeName);
}
nsHtml5AttributeName::nsHtml5AttributeName()
: uri(nsHtml5AttributeName::ALL_NO_NS),
local(nsHtml5AttributeName::SAME_LOCAL(nullptr)),
prefix(ALL_NO_PREFIX),
custom(true)
{
MOZ_COUNT_CTOR(nsHtml5AttributeName);
}
bool
nsHtml5AttributeName::isInterned()
{
return !custom;
}
void
nsHtml5AttributeName::setNameForNonInterned(nsIAtom* name)
{
MOZ_ASSERT(custom);
local[0] = name;
local[1] = name;
local[2] = name;
}
nsHtml5AttributeName*
nsHtml5AttributeName::createAttributeName(nsIAtom* name)
{
return new nsHtml5ReleasableAttributeName(nsHtml5AttributeName::ALL_NO_NS, nsHtml5AttributeName::SAME_LOCAL(name), ALL_NO_PREFIX);
}
void
nsHtml5AttributeName::release()
{
return new nsHtml5AttributeName(nsHtml5AttributeName::ALL_NO_NS, nsHtml5AttributeName::SAME_LOCAL(name), ALL_NO_PREFIX);
}
@ -149,12 +167,6 @@ nsHtml5AttributeName::~nsHtml5AttributeName()
delete[] local;
}
nsHtml5AttributeName*
nsHtml5AttributeName::cloneAttributeName(nsHtml5AtomTable* interner)
{
return this;
}
int32_t
nsHtml5AttributeName::getUri(int32_t mode)
{