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Introduce a new non-heap-allocated type for holding nsStringBuffer* in the HTML parser.

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An innerHTML setter profile shows about 10% of the time being spent under nsHtml5HtmlAttributes::clear, mostly deleting nsStrings.
This commit is contained in:
win7-7 2019-07-05 21:58:21 +03:00 • committed by Roy Tam
commit 1be77e0f3f
34 changed files with 719 additions and 358 deletions
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8
parser/html/nsHtml5MetaScanner.h
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@ -31,7 +31,7 @@
#include "nsIAtom.h"
#include "nsHtml5AtomTable.h"
#include "nsString.h"
#include "nsHtml5String.h"
#include "nsNameSpaceManager.h"
#include "nsIContent.h"
#include "nsTraceRefcnt.h"
@ -76,8 +76,8 @@ class nsHtml5MetaScanner
private:
int32_t strBufLen;
autoJArray<char16_t,int32_t> strBuf;
nsString* content;
nsString* charset;
nsHtml5String content;
nsHtml5String charset;
int32_t httpEquivState;
nsHtml5TreeBuilder* treeBuilder;
public:
@ -100,7 +100,7 @@ class nsHtml5MetaScanner
bool handleTag();
bool handleTagInner();
protected:
bool tryCharset(nsString* encoding);
bool tryCharset(nsHtml5String encoding);
public:
static void initializeStatics();
static void releaseStatics();