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/*
* Copyright (C) 2015 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. ``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
* 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 JSGlobalLexicalEnvironment_h
#define JSGlobalLexicalEnvironment_h
#include "JSSegmentedVariableObject.h"
namespace JSC {
class JSGlobalLexicalEnvironment : public JSSegmentedVariableObject {
public:
typedef JSSegmentedVariableObject Base;
static const unsigned StructureFlags = Base::StructureFlags | OverridesGetOwnPropertySlot;
static JSGlobalLexicalEnvironment* create(VM& vm, Structure* structure, JSScope* parentScope)
{
JSGlobalLexicalEnvironment* result =
new (NotNull, allocateCell<JSGlobalLexicalEnvironment>(vm.heap)) JSGlobalLexicalEnvironment(vm, structure, parentScope);
result->finishCreation(vm);
result->symbolTable()->setScopeType(SymbolTable::ScopeType::GlobalLexicalScope);
return result;
}
static bool getOwnPropertySlot(JSObject*, ExecState*, PropertyName, PropertySlot&);
static void put(JSCell*, ExecState*, PropertyName, JSValue, PutPropertySlot&);
bool isEmpty() const { return !symbolTable()->size(); }
DECLARE_INFO;
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject)
{
return Structure::create(vm, globalObject, jsNull(), TypeInfo(ClosureObjectType, StructureFlags), info());
}
protected:
JSGlobalLexicalEnvironment(VM& vm, Structure* structure, JSScope* scope)
: Base(vm, structure, scope)
{
}
};
} // namespace JSC
#endif // JSGlobalLexicalEnvironment_h
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