JavaScriptCore-7600.1.4.16.1.tar.gz

[apple/javascriptcore.git] / runtime / JSSymbolTableObject.cpp

/*
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#include "config.h"
#include "JSSymbolTableObject.h"

#include "JSActivation.h"
#include "JSGlobalObject.h"
#include "JSNameScope.h"
#include "JSCInlines.h"
#include "PropertyNameArray.h"

namespace JSC {

void JSSymbolTableObject::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
    JSSymbolTableObject* thisObject = jsCast<JSSymbolTableObject*>(cell);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());

    Base::visitChildren(thisObject, visitor);
    visitor.append(&thisObject->m_symbolTable);
}

bool JSSymbolTableObject::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
{
    JSSymbolTableObject* thisObject = jsCast<JSSymbolTableObject*>(cell);
    if (thisObject->symbolTable()->contains(propertyName.publicName()))
        return false;

    return JSObject::deleteProperty(thisObject, exec, propertyName);
}

void JSSymbolTableObject::getOwnNonIndexPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
    JSSymbolTableObject* thisObject = jsCast<JSSymbolTableObject*>(object);
    {
        ConcurrentJITLocker locker(thisObject->symbolTable()->m_lock);
        SymbolTable::Map::iterator end = thisObject->symbolTable()->end(locker);
        for (SymbolTable::Map::iterator it = thisObject->symbolTable()->begin(locker); it != end; ++it) {
            if (it->key->isEmptyUnique())
                continue;
            if (!(it->value.getAttributes() & DontEnum) || (mode == IncludeDontEnumProperties))
                propertyNames.add(Identifier(exec, it->key.get()));
        }
    }
    
    JSObject::getOwnNonIndexPropertyNames(thisObject, exec, propertyNames, mode);
}

} // namespace JSC