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1 /****************************************************************************
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2 **
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3 ** Copyright (C) 1992-2008 Nokia. All rights reserved.
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4 ** Copyright 2005 Harald Fernengel <harry@kdevelop.org>
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5 **
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6 ** This file is part of Qt Jambi.
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7 **
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8 ** * Commercial Usage
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9 * Licensees holding valid Qt Commercial licenses may use this file in
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10 * accordance with the Qt Commercial License Agreement provided with the
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11 * Software or, alternatively, in accordance with the terms contained in
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12 * a written agreement between you and Nokia.
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13 *
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14 *
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15 * GNU General Public License Usage
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16 * Alternatively, this file may be used under the terms of the GNU
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17 * General Public License versions 2.0 or 3.0 as published by the Free
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18 * Software Foundation and appearing in the file LICENSE.GPL included in
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19 * the packaging of this file. Please review the following information
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20 * to ensure GNU General Public Licensing requirements will be met:
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21 * http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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22 * http://www.gnu.org/copyleft/gpl.html. In addition, as a special
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23 * exception, Nokia gives you certain additional rights. These rights
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24 * are described in the Nokia Qt GPL Exception version 1.2, included in
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25 * the file GPL_EXCEPTION.txt in this package.
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26 *
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27 * Qt for Windows(R) Licensees
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28 * As a special exception, Nokia, as the sole copyright holder for Qt
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29 * Designer, grants users of the Qt/Eclipse Integration plug-in the
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30 * right for the Qt/Eclipse Integration to link to functionality
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31 * provided by Qt Designer and its related libraries.
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32 *
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33 *
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34 * If you are unsure which license is appropriate for your use, please
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35 * contact the sales department at qt-sales@nokia.com.
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36
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37 **
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38 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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39 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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40 **
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41 ****************************************************************************/
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42
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43 #include "preprocessor.h"
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44
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45 #include <string>
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46
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47 // register callback for include hooks
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48 static void includeFileHook(const std::string &, const std::string &, FILE *);
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49
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50 #define PP_HOOK_ON_FILE_INCLUDED(A, B, C) includeFileHook(A, B, C)
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51 #include "pp.h"
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52
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53 using namespace rpp;
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54
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55 #include <QtCore/QtCore>
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56
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57 class PreprocessorPrivate
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58 {
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59 public:
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60 QByteArray result;
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61 pp_environment env;
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62 QStringList includePaths;
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63
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64 void initPP(pp &proc)
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65 {
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66 foreach(QString path, includePaths)
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67 proc.push_include_path(path.toStdString());
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68 }
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69 };
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70
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71 QHash<QString, QStringList> includedFiles;
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72
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73 void includeFileHook(const std::string &fileName, const std::string &filePath, FILE *)
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74 {
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75 includedFiles[QString::fromStdString(fileName)].append(QString::fromStdString(filePath));
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76 }
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77
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78 Preprocessor::Preprocessor()
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79 {
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80 d = new PreprocessorPrivate;
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81 includedFiles.clear();
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82 }
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83
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84 Preprocessor::~Preprocessor()
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85 {
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86 delete d;
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87 }
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88
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89 void Preprocessor::processFile(const QString &fileName)
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90 {
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91 pp proc(d->env);
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92 d->initPP(proc);
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93
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94 d->result.reserve(d->result.size() + 20 * 1024);
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95
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96 d->result += "# 1 \"" + fileName.toLatin1() + "\"\n"; // ### REMOVE ME
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97 proc.file(fileName.toLocal8Bit().constData(), std::back_inserter(d->result));
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98 }
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99
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100 void Preprocessor::processString(const QByteArray &str)
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101 {
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102 pp proc(d->env);
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103 d->initPP(proc);
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104
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105 proc(str.begin(), str.end(), std::back_inserter(d->result));
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106 }
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107
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108 QByteArray Preprocessor::result() const
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109 {
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110 return d->result;
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111 }
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112
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113 void Preprocessor::addIncludePaths(const QStringList &includePaths)
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114 {
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115 d->includePaths += includePaths;
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116 }
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117
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118 QStringList Preprocessor::macroNames() const
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119 {
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120 QStringList macros;
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121
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122 pp_environment::const_iterator it = d->env.first_macro();
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123 while (it != d->env.last_macro()) {
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124 const pp_macro *m = *it;
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125 macros += QString::fromLatin1(m->name->begin(), m->name->size());
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126 ++it;
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127 }
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128
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129 return macros;
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130 }
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131
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132 QList<Preprocessor::MacroItem> Preprocessor::macros() const
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133 {
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134 QList<MacroItem> items;
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135
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136 pp_environment::const_iterator it = d->env.first_macro();
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137 while (it != d->env.last_macro()) {
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138 const pp_macro *m = *it;
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139 MacroItem item;
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140 item.name = QString::fromLatin1(m->name->begin(), m->name->size());
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141 item.definition = QString::fromLatin1(m->definition->begin(),
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142 m->definition->size());
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143 for (size_t i = 0; i < m->formals.size(); ++i) {
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144 item.parameters += QString::fromLatin1(m->formals[i]->begin(),
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145 m->formals[i]->size());
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146 }
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147 item.isFunctionLike = m->function_like;
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148
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149 #ifdef PP_WITH_MACRO_POSITION
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150 item.fileName = QString::fromLatin1(m->file->begin(), m->file->size());
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151 #endif
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152 items += item;
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153
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154 ++it;
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155 }
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156
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157 return items;
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158 }
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159
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160 /*
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161 int main()
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162 {
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163 Preprocessor pp;
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164
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165 QStringList paths;
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166 paths << "/usr/include";
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167 pp.addIncludePaths(paths);
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168
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169 pp.processFile("pp-configuration");
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170 pp.processFile("/usr/include/stdio.h");
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171
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172 qDebug() << pp.result();
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173
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174 return 0;
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175 }
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176 */
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177
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