blob: 5e61719a978fff09393db10091433907baf13e97 [file] [log] [blame]
/*
* Copyright (C) 2013-2018 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#pragma once
#if ENABLE(CSS_SELECTOR_JIT)
#include "CSSPtrTag.h"
#include "CSSSelector.h"
#include <JavaScriptCore/MacroAssemblerCodeRef.h>
#define CSS_SELECTOR_JIT_PROFILING 0
namespace WebCore {
enum class SelectorCompilationStatus : uint8_t {
NotCompiled,
CannotCompile,
SimpleSelectorChecker,
SelectorCheckerWithCheckingContext
};
struct CompiledSelector {
WTF_MAKE_STRUCT_FAST_ALLOCATED;
SelectorCompilationStatus status { SelectorCompilationStatus::NotCompiled };
JSC::MacroAssemblerCodeRef<CSSSelectorPtrTag> codeRef;
#if defined(CSS_SELECTOR_JIT_PROFILING) && CSS_SELECTOR_JIT_PROFILING
unsigned useCount { 0 };
const CSSSelector* selector { nullptr };
void wasUsed() { ++useCount; }
~CompiledSelector()
{
if (codeRef.code().executableAddress())
dataLogF("CompiledSelector %d \"%s\"\n", useCount, selector->selectorText().utf8().data());
}
#else
void wasUsed() { }
#endif
};
}
#endif