mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-26 21:50:53 +00:00
77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
/*
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* Copyright (C) 2015-2019 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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#include "JSSegmentedVariableObject.h"
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namespace JSC {
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class JSGlobalLexicalEnvironment final : public JSSegmentedVariableObject {
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public:
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using Base = JSSegmentedVariableObject;
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static constexpr unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertySlot;
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template<typename CellType, SubspaceAccess mode>
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static IsoSubspace* subspaceFor(VM& vm)
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{
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return &vm.globalLexicalEnvironmentSpace;
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}
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static JSGlobalLexicalEnvironment* create(VM& vm, Structure* structure, JSScope* parentScope)
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{
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JSGlobalLexicalEnvironment* result =
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new (NotNull, allocateCell<JSGlobalLexicalEnvironment>(vm.heap)) JSGlobalLexicalEnvironment(vm, structure, parentScope);
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result->finishCreation(vm);
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result->symbolTable()->setScopeType(SymbolTable::ScopeType::GlobalLexicalScope);
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return result;
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}
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static bool getOwnPropertySlot(JSObject*, JSGlobalObject*, PropertyName, PropertySlot&);
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static bool put(JSCell*, JSGlobalObject*, PropertyName, JSValue, PutPropertySlot&);
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static void destroy(JSCell*);
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static constexpr bool needsDestruction = true;
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bool isEmpty() const { return !symbolTable()->size(); }
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bool isConstVariable(UniquedStringImpl*);
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DECLARE_INFO;
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static Structure* createStructure(VM& vm, JSGlobalObject* globalObject)
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{
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return Structure::create(vm, globalObject, jsNull(), TypeInfo(GlobalLexicalEnvironmentType, StructureFlags), info());
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}
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private:
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JSGlobalLexicalEnvironment(VM& vm, Structure* structure, JSScope* scope)
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: Base(vm, structure, scope)
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{
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}
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};
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} // namespace JSC
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