weex_core/Source/include/JavaScriptCore/bytecode/CallEdge.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 "CallVariant.h"

namespace JSC {

class CallEdge {
public:
    CallEdge();
    CallEdge(CallVariant, uint32_t);
    
    bool operator!() const { return !m_callee; }
    
    CallVariant callee() const { return m_callee; }
    uint32_t count() const { return m_count; }
    
    CallEdge despecifiedClosure() const
    {
        return CallEdge(m_callee.despecifiedClosure(), m_count);
    }
    
    void dump(PrintStream&) const;
    
private:
    CallVariant m_callee;
    uint32_t m_count;
};

inline CallEdge::CallEdge(CallVariant callee, uint32_t count)
    : m_callee(callee)
    , m_count(count)
{
}

inline CallEdge::CallEdge()
    : CallEdge(CallVariant(), 0)
{
}

typedef Vector<CallEdge, 1> CallEdgeList;

} // namespace JSC