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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 Roberto Raggi <roberto@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 <fstream>
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44 #include "pp.h"
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45
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46 using namespace rpp;
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47
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48 #ifndef GCC_MACHINE
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49 # define GCC_MACHINE "i386-redhat-linux"
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50 #endif
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51
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52 #ifndef GCC_VERSION
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53 # define GCC_VERSION "4.1.1"
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54 #endif
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55
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56 void usage ()
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57 {
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58 std::cerr << "usage: rpp file.cpp" << std::endl;
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59 ::exit (EXIT_FAILURE);
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60 }
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61
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62 void dump_macros (pp_environment &env, pp &, std::ostream &__out)
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63 {
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64 for (pp_environment::const_iterator it = env.first_macro (); it != env.last_macro (); ++it)
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65 {
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66 pp_macro const *m = *it;
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67
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68 if (m->hidden)
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69 continue;
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70
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71 std::string id (m->name->begin (), m->name->end ());
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72 __out << "#define " << id;
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73
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74 if (m->function_like)
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75 {
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76 __out << "(";
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77
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78 for (std::size_t i = 0; i < m->formals.size (); ++i)
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79 {
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80 if (i != 0)
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81 __out << ", ";
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82
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83 pp_fast_string const *f = m->formals [i];
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84 std::string name (f->begin (), f->end ());
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85 __out << name;
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86 }
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87
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88 if (m->variadics)
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89 __out << "...";
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90
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91 __out << ")";
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92 }
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93
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94 __out << "\t";
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95 if (m->definition)
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96 {
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97 std::string def (m->definition->begin (), m->definition->end ());
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98 __out << def;
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99 }
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100
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101 __out << std::endl;
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102 }
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103 }
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104
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105 int main (int, char *argv [])
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106 {
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107 char const *input_file = 0;
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108 char const *output_file = 0;
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109 char const *include_pch_file = 0;
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110 bool opt_help = false;
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111 bool opt_dump_macros = false;
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112 bool opt_pch = false;
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113
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114 pp_environment env;
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115 pp preprocess(env);
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116
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117 std::string result;
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118 result.reserve (20 * 1024); // 20K
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119
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120 pp_output_iterator<std::string> out (result);
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121 pp_null_output_iterator null_out;
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122
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123 preprocess.push_include_path ("/usr/include");
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124 preprocess.push_include_path ("/usr/lib/gcc/" GCC_MACHINE "/" GCC_VERSION "/include");
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125
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126 preprocess.push_include_path ("/usr/include/c++/" GCC_VERSION);
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127 preprocess.push_include_path ("/usr/include/c++/" GCC_VERSION "/" GCC_MACHINE);
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128
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129 std::string extra_args;
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130
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131 while (const char *arg = *++argv)
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132 {
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133 if (arg [0] != '-')
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134 input_file = arg;
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135
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136 else if (! strcmp (arg, "-help"))
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137 opt_help = true;
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138
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139 else if (! strcmp (arg, "-dM"))
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140 opt_dump_macros = true;
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141
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142 else if (! strcmp (arg, "-pch"))
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143 opt_pch = true;
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144
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145 else if (! strcmp (arg, "-msse"))
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146 {
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147 pp_macro __macro;
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148 __macro.name = pp_symbol::get ("__SSE__", 7);
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149 env.bind (__macro.name, __macro);
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150
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151 __macro.name = pp_symbol::get ("__MMX__", 7);
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152 env.bind (__macro.name, __macro);
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153 }
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154
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155 else if (! strcmp (arg, "-include"))
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156 {
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157 if (argv [1])
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158 include_pch_file = *++argv;
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159 }
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160
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161 else if (! strncmp (arg, "-o", 2))
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162 {
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163 arg += 2;
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164
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165 if (! arg [0] && argv [1])
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166 arg = *++argv;
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167
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168 if (arg)
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169 output_file = arg;
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170 }
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171
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172 else if (! strncmp (arg, "-conf", 8))
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173 {
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174 if (argv [1])
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175 preprocess.file (*++argv, null_out);
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176 }
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177
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178 else if (! strncmp (arg, "-I", 2))
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179 {
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180 arg += 2;
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181
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182 if (! arg [0] && argv [1])
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183 arg = *++argv;
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184
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185 if (arg)
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186 preprocess.push_include_path (arg);
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187 }
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188
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189 else if (! strncmp (arg, "-U", 2))
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190 {
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191 arg += 2;
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192
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193 if (! arg [0] && argv [1])
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194 arg = *++argv;
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195
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196 if (arg)
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197 {
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198 env.unbind (arg, strlen (arg));
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199 }
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200 }
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201
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202 else if (! strncmp (arg, "-D", 2))
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203 {
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204 arg += 2;
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205
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206 if (! arg [0] && argv [1])
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207 arg = *++argv;
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208
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209 if (arg)
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210 {
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211 pp_macro __macro;
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212
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213 char const *end = arg;
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214 char const *eq = 0;
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215
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216 for (; *end; ++end)
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217 {
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218 if (*end == '=')
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219 eq = end;
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220 }
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221
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222 if (eq != 0)
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223 {
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224 __macro.name = pp_symbol::get (arg, eq - arg);
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225 __macro.definition = pp_symbol::get (eq + 1, end - (eq + 1));
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226 }
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227
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228 else
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229 {
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230 __macro.name = pp_symbol::get (arg, end - arg);
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231 __macro.definition = 0;
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232 }
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233
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234 env.bind (__macro.name, __macro);
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235 }
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236 }
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237 else
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238 {
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239 extra_args += " ";
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240 extra_args += arg;
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241 }
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242 }
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243
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244 if (! input_file || opt_help)
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245 {
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246 usage ();
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247 return EXIT_FAILURE;
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248 }
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249
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250 std::string __ifile (input_file);
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251 bool is_c_file = false;
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252 if (__ifile.size () > 2 && __ifile [__ifile.size () - 1] == 'c' && __ifile [__ifile.size () - 2] == '.')
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253 {
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254 is_c_file = true;
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255 env.unbind ("__cplusplus", 11);
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256
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257 pp_macro __macro;
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258 __macro.name = pp_symbol::get ("__null");
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259 __macro.definition = pp_symbol::get ("((void*) 0)");
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260 env.bind (__macro.name, __macro);
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261
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262 // turn off the pch
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263 include_pch_file = 0;
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264 }
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265 else if (include_pch_file)
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266 {
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267 std::string __pch (include_pch_file);
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268 __pch += ".gch/c++.conf";
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269
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270 //std::cerr << "*** pch file " << __pch << std::endl;
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271 preprocess.file (__pch, null_out);
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272 }
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273
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274 if (opt_dump_macros)
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275 {
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276 preprocess.file (input_file, null_out);
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277 dump_macros (env, preprocess, std::cout);
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278 return EXIT_SUCCESS;
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279 }
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280
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281 preprocess.file (input_file, out);
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282
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283 if (opt_pch)
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284 {
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285 if (! output_file)
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286 {
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287 std::cerr << "*** WARNING expected a file name" << std::endl;
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288 return EXIT_FAILURE;
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289 }
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290
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291 std::string __conf_file (output_file);
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292 __conf_file += ".conf";
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293
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294 std::ofstream __out;
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295 __out.open (__conf_file.c_str ());
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296 dump_macros (env, preprocess, __out);
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297 __out.close ();
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298
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299 std::string __pp_file (output_file);
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300 __pp_file += ".i";
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301
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302 __out.open (__pp_file.c_str ());
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303 __out.write (result.c_str (), result.size ());
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304 __out.close ();
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305 return EXIT_SUCCESS;
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306 }
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307
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308 std::ostream *__out = &std::cout;
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309 std::ofstream __ofile;
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310
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311 if (output_file)
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312 {
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313 std::string __output_file_name (output_file);
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314 __ofile.open (output_file);
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315 __out = &__ofile;
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316 }
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317
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318 if (include_pch_file)
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319 {
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320 std::string __pch (include_pch_file);
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321 __pch += ".gch/c++.i";
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322
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323 std::ifstream __in (__pch.c_str ());
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324
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325 char buffer [1024];
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326 while (__in.read (buffer, 1024))
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327 __out->write (buffer, 1024);
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328
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329 __in.close ();
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330 }
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331
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332 __out->write (result.c_str (), result.size ());
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333
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334 if (output_file)
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335 __ofile.close ();
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336
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337 return EXIT_SUCCESS;
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338 }
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339
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340 // kate: space-indent on; indent-width 2; replace-tabs on;
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341
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