weex_core/Source/include/JavaScriptCore/bytecode/StructureSet.h

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#pragma once

#include "ArrayProfile.h"
#include "DumpContext.h"
#include "SpeculatedType.h"
#include "Structure.h"
#include <wtf/TinyPtrSet.h>

namespace JSC {

class TrackedReferences;

class StructureSet : public TinyPtrSet<Structure*> {
public:
    // I really want to do this:
    // using TinyPtrSet::TinyPtrSet;
    //
    // But I can't because Windows.
    
    StructureSet()
    {
    }
    
    StructureSet(Structure* structure)
        : TinyPtrSet(structure)
    {
    }
    
    ALWAYS_INLINE StructureSet(const StructureSet& other)
        : TinyPtrSet(other)
    {
    }
    
    Structure* onlyStructure() const
    {
        return onlyEntry();
    }
    
    void dumpInContext(PrintStream&, DumpContext*) const;
    void dump(PrintStream&) const;
};

} // namespace JSC