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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef StyleResolverStats_h
#define StyleResolverStats_h
#include "wtf/PassOwnPtr.h"
#include "wtf/text/WTFString.h"
namespace blink {
class StyleResolverStats {
public:
static PassOwnPtr<StyleResolverStats> create()
{
return adoptPtr(new StyleResolverStats);
}
void reset();
String report() const;
unsigned sharedStyleLookups;
unsigned sharedStyleCandidates;
unsigned sharedStyleFound;
unsigned sharedStyleMissed;
unsigned sharedStyleRejectedByUncommonAttributeRules;
unsigned sharedStyleRejectedBySiblingRules;
unsigned sharedStyleRejectedByParent;
unsigned matchedPropertyApply;
unsigned matchedPropertyCacheHit;
unsigned matchedPropertyCacheInheritedHit;
unsigned matchedPropertyCacheAdded;
// We keep a separate flag for this since crawling the entire document to print
// the number of missed candidates is very slow.
bool printMissedCandidateCount;
private:
StyleResolverStats()
: printMissedCandidateCount(false)
{
reset();
}
};
#define INCREMENT_STYLE_STATS_COUNTER(resolver, counter) ((resolver).stats() && ++(resolver).stats()-> counter && (resolver).statsTotals()-> counter ++);
} // namespace blink
#endif // StyleResolverStats_h
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