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annotate d2/qtd/QtdObject.d @ 354:18bd68f586c6

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removed superfluous destructors
author Max Samukha <maxter@spambox.com>
date Mon, 24 May 2010 23:43:30 +0300
parents 96a75b1e5b26
children 9784459f0750
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1 /**
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2 *
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3 * Copyright: Copyright QtD Team, 2008-2009
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4 * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>
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5 *
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6 * Copyright QtD Team, 2008-2009
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7 * Distributed under the Boost Software License, Version 1.0.
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8 * (See accompanying file boost-license-1.0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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9 *
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10 */
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11
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12 module qtd.QtdObject;
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13
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14 enum QtdObjectFlags : ubyte
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15 {
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16 none,
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17 nativeOwnership = 0x1,
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18 dOwnership = 0x2,
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19 dynamicEntity = 0x4
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20 //gcManaged = 0x4
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21 }
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22
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23 package abstract class QtdObject
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24 {
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25 protected QtdObjectFlags __flags_;
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26 void* __nativeId;
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27
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28 this(void* nativeId, QtdObjectFlags flags = QtdObjectFlags.none)
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29 {
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30 __nativeId = nativeId;
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31 __flags_ = flags;
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32 }
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33
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34 final QtdObjectFlags __flags()
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35 {
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36 return __flags_;
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37 }
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38
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39 /+ final +/ void __setFlags(QtdObjectFlags flags, bool value)
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40 {
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41 if (value)
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42 __flags_ |= flags;
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43 else
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44 __flags_ &= ~flags;
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45 }
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46
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47 // COMPILER BUG: 3206
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48 protected void __deleteNative()
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49 {
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50 assert(false);
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51 }
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52
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53 ~this()
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54 {
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55 if (!(__flags_ & QtdObjectFlags.nativeOwnership))
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56 {
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57 // avoid deleting D object twice.
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58 __flags_ |= QtdObjectFlags.dOwnership;
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59 __deleteNative;
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60 }
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61 }
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62 }
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63
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64 extern(C) void qtd_QtdObject_delete(void* dId)
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65 {
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66 auto obj = cast(QtdObject)dId;
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67
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68 if (!(obj.__flags & QtdObjectFlags.dOwnership))
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69 {
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70 // Avoid deleting native object twice
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71 obj.__setFlags(QtdObjectFlags.nativeOwnership, true);
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72 delete obj;
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73 }
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74 }