mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/*
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* Copyright (C) 2014 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(DFG_JIT)
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#include <wtf/PrintStream.h>
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namespace JSC { namespace DFG {
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enum StructureClobberState : uint8_t {
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StructuresAreWatched, // Constants with watchable structures must have those structures.
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StructuresAreClobbered // Constants with watchable structures could have any structure.
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};
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inline StructureClobberState merge(StructureClobberState a, StructureClobberState b)
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{
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switch (a) {
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case StructuresAreWatched:
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return b;
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case StructuresAreClobbered:
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return StructuresAreClobbered;
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}
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RELEASE_ASSERT_NOT_REACHED();
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return StructuresAreClobbered;
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}
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} } // namespace JSC::DFG
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namespace WTF {
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inline void printInternal(PrintStream& out, JSC::DFG::StructureClobberState state)
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{
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switch (state) {
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case JSC::DFG::StructuresAreWatched:
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out.print("StructuresAreWatched");
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return;
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case JSC::DFG::StructuresAreClobbered:
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out.print("StructuresAreClobbered");
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return;
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}
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RELEASE_ASSERT_NOT_REACHED();
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}
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} // namespace WTF
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#endif // ENABLE(DFG_JIT)
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