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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 QtXmlPatterns module 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 |
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42 #include <QtGlobal> |
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43 |
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44 #include "qexpression_p.h" |
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45 #include "qstaticcontext_p.h" |
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46 #include "qtokenizer_p.h" |
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47 |
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48 #include "qparsercontext_p.h" |
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49 |
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50 QT_BEGIN_NAMESPACE |
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51 |
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52 using namespace QPatternist; |
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53 |
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54 ParserContext::ParserContext(const StaticContext::Ptr &context, |
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55 const QXmlQuery::QueryLanguage lang, |
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56 Tokenizer *const tokener) : staticContext(context) |
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57 , tokenizer(tokener) |
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58 , languageAccent(lang) |
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59 , nodeTestSource(BuiltinTypes::element) |
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60 , moduleNamespace(StandardNamespaces::empty) |
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61 , isPreviousEnclosedExpr(false) |
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62 , elementConstructorDepth(0) |
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63 , hasSecondPrologPart(false) |
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64 , preserveNamespacesMode(true) |
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65 , inheritNamespacesMode(true) |
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66 , isParsingPattern(false) |
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67 , currentImportPrecedence(1) |
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68 , m_evaluationCacheSlot(-1) |
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69 , m_expressionSlot(0) |
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70 , m_positionSlot(-1) |
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71 , m_globalVariableSlot(-1) |
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72 , m_currentTemplateID(InitialTemplateID) |
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73 { |
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74 resolvers.push(context->namespaceBindings()); |
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75 Q_ASSERT(tokenizer); |
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76 Q_ASSERT(context); |
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77 m_isParsingWithParam.push(false); |
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78 isBackwardsCompat.push(false); |
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79 } |
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80 |
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81 void ParserContext::finalizePushedVariable(const int amount, |
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82 const bool shouldPop) |
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83 { |
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84 for(int i = 0; i < amount; ++i) |
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85 { |
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86 const VariableDeclaration::Ptr var(shouldPop ? variables.pop() : variables.top()); |
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87 Q_ASSERT(var); |
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88 |
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89 if(var->isUsed()) |
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90 continue; |
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91 else |
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92 { |
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93 staticContext->warning(QtXmlPatterns::tr("The variable %1 is unused") |
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94 .arg(formatKeyword(var, staticContext->namePool()))); |
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95 } |
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96 } |
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97 } |
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98 |
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99 QT_END_NAMESPACE |
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100 |