//===--------------------- Range.h ------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef utility_Range_h_
#define utility_Range_h_

#include <stdint.h>
#include <algorithm>

namespace lldb_utility {
    
class Range
{
public:
    
    typedef uint64_t ValueType;
    
    static const ValueType OPEN_END = UINT64_MAX;
    
    Range (const Range& rng);
    
    Range (ValueType low = 0,
           ValueType high = OPEN_END);

    Range&
    operator = (const Range& rhs);
    
    ValueType
    GetLow ()
    {
        return m_low;
    }
    
    ValueType
    GetHigh ()
    {
        return m_high;
    }
    
    void
    SetLow (ValueType low)
    {
        m_low = low;
    }
    
    void
    SetHigh (ValueType high)
    {
        m_high = high;
    }
    
    void
    Flip ();
    
    void
    Intersection (const Range& other);
    
    void
    Union (const Range& other);
    
    typedef bool (*RangeCallback)(ValueType index);
    
    void
    Iterate (RangeCallback callback);
    
    ValueType
    GetSize ();
    
    bool
    IsEmpty ();
    
private:
    
    void
    InitRange ();
    
    ValueType m_low;
    ValueType m_high;
};
    
} // namespace lldb_private

#endif // #ifndef utility_Range_h_
