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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the tools applications of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 #include <QDebug> |
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42 #include "codegenerator.h" |
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43 using namespace CodeGenerator; |
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44 |
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45 int main() |
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46 { |
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47 // The code generator works on items. Each item has a generate() function: |
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48 Item item(""); |
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49 qDebug() << item.generate(); // produces "". |
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50 |
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51 // There are several Item subclasses. Text items contains a text string which they |
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52 // reproduce when generate is called: |
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53 Text text(" Hi there"); |
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54 qDebug() << text.generate(); // produces " Hi there". |
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55 |
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56 // Items can be concatenated: |
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57 Item sentence = text + Text(" Bye there") ; |
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58 qDebug() << sentence.generate(); // produces "Hi there Bye there". |
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59 // (Internally, this creates a tree of items, and generate is called recursively |
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60 // for items that have children.) |
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61 |
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62 // Repeater items repeat their content when generate is called: |
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63 Repeater repeater = text; |
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64 repeater.setRepeatCount(3); |
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65 qDebug() << repeater.generate(); // produces "Hi there Hi there Hi there". |
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66 |
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67 // Counters evaluate to the current repeat index. |
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68 Repeater repeater2 = text + Counter(); |
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69 repeater2.setRepeatCount(3); |
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70 qDebug() << repeater2.generate(); // produces "Hi there0 Hi there1 Hi there2". |
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71 |
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72 // Groups provide sub-groups which are repeated according to the current repeat index. |
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73 // Counters inside Groups evaluate to the local repeat index for the Group. |
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74 Group arguments("Arg" + Counter() + " arg" + Counter()); |
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75 Repeater function("void foo(" + arguments + ");\n"); |
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76 function.setRepeatCount(3); |
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77 qDebug() << function.generate(); |
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78 |
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79 // Produces: |
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80 // void foo(Arg1 arg1); |
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81 // void foo(Arg1 arg1, Arg2 arg2); |
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82 // void foo(Arg1 arg1, Arg2 arg2, Arg3 arg3); |
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83 } |