xref: /freebsd-10.2-release/contrib/llvm/tools/lldb/include/lldb/Interpreter/OptionValueSInt64.h

//===-- OptionValueSInt64.h --------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef liblldb_OptionValueSInt64_h_
#define liblldb_OptionValueSInt64_h_

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Interpreter/OptionValue.h"

namespace lldb_private {

class OptionValueSInt64 : public OptionValue
{
public:
    OptionValueSInt64 () :
        OptionValue(),
        m_current_value (0),
        m_default_value (0),
        m_min_value (INT64_MIN),
        m_max_value (INT64_MAX)
    {
    }

    OptionValueSInt64 (int64_t value) :
        OptionValue(),
        m_current_value (value),
        m_default_value (value),
        m_min_value (INT64_MIN),
        m_max_value (INT64_MAX)
    {
    }

    OptionValueSInt64 (int64_t current_value,
                       int64_t default_value) :
        OptionValue(),
        m_current_value (current_value),
        m_default_value (default_value),
        m_min_value (INT64_MIN),
        m_max_value (INT64_MAX)
    {
    }

    OptionValueSInt64 (const OptionValueSInt64 &rhs) :
        OptionValue(rhs),
        m_current_value (rhs.m_current_value),
        m_default_value (rhs.m_default_value),
        m_min_value (rhs.m_min_value),
        m_max_value (rhs.m_max_value)
    {
    }

    virtual
    ~OptionValueSInt64()
    {
    }

    //---------------------------------------------------------------------
    // Virtual subclass pure virtual overrides
    //---------------------------------------------------------------------

    virtual OptionValue::Type
    GetType () const
    {
        return eTypeSInt64;
    }

    virtual void
    DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask);

    virtual Error
    SetValueFromCString (const char *value,
                         VarSetOperationType op = eVarSetOperationAssign);

    virtual bool
    Clear ()
    {
        m_current_value = m_default_value;
        m_value_was_set = false;
        return true;
    }

    virtual lldb::OptionValueSP
    DeepCopy () const;

    //---------------------------------------------------------------------
    // Subclass specific functions
    //---------------------------------------------------------------------

    const int64_t &
    operator = (int64_t value)
    {
        m_current_value = value;
        return m_current_value;
    }

    int64_t
    GetCurrentValue() const
    {
        return m_current_value;
    }

    int64_t
    GetDefaultValue() const
    {
        return m_default_value;
    }

    bool
    SetCurrentValue (int64_t value)
    {
        if (value >= m_min_value && value <= m_max_value)
        {
            m_current_value = value;
            return true;
        }
        return false;
    }

    bool
    SetDefaultValue (int64_t value)
    {
        if (value >= m_min_value && value <= m_max_value)
        {
            m_default_value = value;
            return true;
        }
        return false;
    }

    void
    SetMinimumValue (int64_t v)
    {
        m_min_value = v;
    }

    int64_t
    GetMinimumValue () const
    {
        return m_min_value;
    }

    void
    SetMaximumValue (int64_t v)
    {
        m_max_value = v;
    }

    int64_t
    GetMaximumValue () const
    {
        return m_max_value;
    }

protected:
    int64_t m_current_value;
    int64_t m_default_value;
    int64_t m_min_value;
    int64_t m_max_value;
};

} // namespace lldb_private

#endif  // liblldb_OptionValueSInt64_h_