1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 *

     5 * Redistribution and use in source and binary forms, with or without

     6 * modification, are permitted provided that the following conditions are met:

     7 *

     8 * - Redistributions of source code must retain the above copyright notice,

     9 *   this list of conditions and the following disclaimer.

    10 * - Redistributions in binary form must reproduce the above copyright notice,

    11 *   this list of conditions and the following disclaimer in the documentation

    12 *   and/or other materials provided with the distribution.

    13 * - Neither the name of Nokia Corporation nor the names of its contributors

    14 *   may be used to endorse or promote products derived from this software

    15 *   without specific prior written permission.

    16 *

    17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    27 * POSSIBILITY OF SUCH DAMAGE.

    28 * 

    29 * Initial Contributors:

    30 * Nokia Corporation - initial contribution.

    31 *

    32 * Contributors:

    33 *

    34 * Description: 

    35 *

    36 */

    37 

    38 using System;

    39 using System.Collections.Generic;

    40 using System.Text;

    41 using HeapLib.Reconstructor.DataSources;

    42 

    43 namespace HeapLib.Reconstructor.RHeap.Extractor

    44 {

    45     internal class ExtractionState

    46     {

    47         #region Constructors & destructor

    48         public ExtractionState( DataSource aSource )

    49         {

    50             iDataSource = aSource;

    51         }

    52         #endregion

    53 

    54         #region API

    55         public bool IsFreeCellAddress()

    56         {

    57             bool ret = false;

    58             //

    59             uint address = iCurrentAddress;

    60             if ( address == iNextFreeCellAddress )

    61             {

    62                 ret = true;

    63             }

    64             else

    65             {

    66                 ret = iDataSource.MetaData.Heap.InfoFree.IsFreeCell( address );

    67             }

    68             //

    69             return ret;

    70         }

    71         #endregion

    72 

    73         #region Properties

    74         public bool DebugEnabled

    75         {

    76             get { return iDebugEnabled; }

    77             set { iDebugEnabled = value; }

    78         }

    79 

    80         public bool EncounteredException

    81         {

    82             get { return iEncounteredException; }

    83             set { iEncounteredException = value; }

    84         }

    85 

    86         public uint NextFreeCellAddress

    87         {

    88             get { return iNextFreeCellAddress; }

    89             set { iNextFreeCellAddress = value; }

    90         }

    91 

    92         public uint NextFreeCellLength

    93         {

    94             get { return iNextFreeCellLength; }

    95             set { iNextFreeCellLength = value; }

    96         }

    97 

    98         public uint NextCellAddress

    99         {

   100             get { return iStartOfNextCell; }

   101             set { iStartOfNextCell = value; }

   102         }

   103 

   104         public uint ExpectedAddress

   105         {

   106             get { return iNextExpectedAddress; }

   107             set { iNextExpectedAddress = value; }

   108         }

   109 

   110         public uint CurrentAddress

   111         {

   112             get { return iCurrentAddress; }

   113             set { iCurrentAddress = value; }

   114         }

   115         #endregion

   116 

   117         #region Internal methods

   118         #endregion

   119 

   120         #region Internal constants

   121         private const int KBaseHex = 16;

   122         #endregion

   123 

   124         #region Data members

   125         private readonly DataSource iDataSource;

   126         private bool iDebugEnabled = false;

   127         private bool iEncounteredException = false;

   128         private uint iNextFreeCellAddress;

   129         private uint iNextFreeCellLength;

   130         private uint iNextExpectedAddress;

   131         private uint iCurrentAddress = 0;

   132         private uint iStartOfNextCell;

   133         #endregion

   134     }

   135 }