68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*
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* Copyright (C) 2013-2018 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(CSS_SELECTOR_JIT)
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#include "CSSSelector.h"
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#include <JavaScriptCore/JSCPtrTag.h>
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#include <JavaScriptCore/MacroAssemblerCodeRef.h>
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#define CSS_SELECTOR_JIT_PROFILING 0
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namespace WebCore {
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enum class SelectorCompilationStatus : uint8_t {
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NotCompiled,
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CannotCompile,
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SimpleSelectorChecker,
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SelectorCheckerWithCheckingContext
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};
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struct CompiledSelector {
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WTF_MAKE_STRUCT_FAST_ALLOCATED;
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SelectorCompilationStatus status { SelectorCompilationStatus::NotCompiled };
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JSC::MacroAssemblerCodeRef<JSC::CSSSelectorPtrTag> codeRef;
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#if defined(CSS_SELECTOR_JIT_PROFILING) && CSS_SELECTOR_JIT_PROFILING
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unsigned useCount { 0 };
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const CSSSelector* selector { nullptr };
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void wasUsed() { ++useCount; }
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~CompiledSelector()
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{
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if (codeRef.code().executableAddress())
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dataLogF("CompiledSelector %d \"%s\"\n", useCount, selector->selectorText().utf8().data());
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}
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#else
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void wasUsed() { }
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#endif
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};
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}
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#endif
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