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/****************************************************************************
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**
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** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Script Generator project on Qt Labs.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <fstream>
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#include "pp.h"
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using namespace rpp;
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#ifndef GCC_MACHINE
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# define GCC_MACHINE "i386-redhat-linux"
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#endif
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#ifndef GCC_VERSION
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# define GCC_VERSION "4.1.1"
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#endif
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void usage ()
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{
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std::cerr << "usage: rpp file.cpp" << std::endl;
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::exit (EXIT_FAILURE);
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}
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void dump_macros (pp_environment &env, pp &, std::ostream &__out)
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{
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for (pp_environment::const_iterator it = env.first_macro (); it != env.last_macro (); ++it)
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{
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pp_macro const *m = *it;
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if (m->hidden)
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continue;
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std::string id (m->name->begin (), m->name->end ());
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__out << "#define " << id;
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if (m->function_like)
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{
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__out << "(";
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for (std::size_t i = 0; i < m->formals.size (); ++i)
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{
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if (i != 0)
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__out << ", ";
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pp_fast_string const *f = m->formals [i];
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std::string name (f->begin (), f->end ());
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__out << name;
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}
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if (m->variadics)
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__out << "...";
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__out << ")";
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}
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__out << "\t";
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if (m->definition)
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{
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std::string def (m->definition->begin (), m->definition->end ());
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__out << def;
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}
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__out << std::endl;
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}
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}
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int main (int, char *argv [])
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{
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char const *input_file = 0;
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char const *output_file = 0;
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char const *include_pch_file = 0;
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bool opt_help = false;
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bool opt_dump_macros = false;
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bool opt_pch = false;
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pp_environment env;
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pp preprocess(env);
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std::string result;
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result.reserve (20 * 1024); // 20K
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pp_output_iterator<std::string> out (result);
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pp_null_output_iterator null_out;
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preprocess.push_include_path ("/usr/include");
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preprocess.push_include_path ("/usr/lib/gcc/" GCC_MACHINE "/" GCC_VERSION "/include");
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preprocess.push_include_path ("/usr/include/c++/" GCC_VERSION);
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preprocess.push_include_path ("/usr/include/c++/" GCC_VERSION "/" GCC_MACHINE);
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std::string extra_args;
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while (const char *arg = *++argv)
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{
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if (arg [0] != '-')
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input_file = arg;
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else if (! strcmp (arg, "-help"))
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opt_help = true;
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else if (! strcmp (arg, "-dM"))
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opt_dump_macros = true;
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else if (! strcmp (arg, "-pch"))
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opt_pch = true;
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else if (! strcmp (arg, "-msse"))
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{
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pp_macro __macro;
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__macro.name = pp_symbol::get ("__SSE__", 7);
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env.bind (__macro.name, __macro);
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__macro.name = pp_symbol::get ("__MMX__", 7);
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env.bind (__macro.name, __macro);
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}
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else if (! strcmp (arg, "-include"))
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{
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if (argv [1])
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include_pch_file = *++argv;
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}
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else if (! strncmp (arg, "-o", 2))
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{
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arg += 2;
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if (! arg [0] && argv [1])
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arg = *++argv;
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if (arg)
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output_file = arg;
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}
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else if (! strncmp (arg, "-conf", 8))
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{
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if (argv [1])
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preprocess.file (*++argv, null_out);
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}
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else if (! strncmp (arg, "-I", 2))
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{
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arg += 2;
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if (! arg [0] && argv [1])
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arg = *++argv;
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if (arg)
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preprocess.push_include_path (arg);
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}
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else if (! strncmp (arg, "-U", 2))
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{
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arg += 2;
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if (! arg [0] && argv [1])
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arg = *++argv;
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if (arg)
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{
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env.unbind (arg, strlen (arg));
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}
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}
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else if (! strncmp (arg, "-D", 2))
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{
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arg += 2;
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if (! arg [0] && argv [1])
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arg = *++argv;
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if (arg)
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{
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pp_macro __macro;
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char const *end = arg;
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char const *eq = 0;
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for (; *end; ++end)
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{
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if (*end == '=')
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eq = end;
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}
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if (eq != 0)
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{
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__macro.name = pp_symbol::get (arg, eq - arg);
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__macro.definition = pp_symbol::get (eq + 1, end - (eq + 1));
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}
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else
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{
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__macro.name = pp_symbol::get (arg, end - arg);
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__macro.definition = 0;
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}
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env.bind (__macro.name, __macro);
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}
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}
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else
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{
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extra_args += " ";
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extra_args += arg;
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}
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}
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if (! input_file || opt_help)
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{
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usage ();
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return EXIT_FAILURE;
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}
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std::string __ifile (input_file);
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bool is_c_file = false;
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if (__ifile.size () > 2 && __ifile [__ifile.size () - 1] == 'c' && __ifile [__ifile.size () - 2] == '.')
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{
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is_c_file = true;
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env.unbind ("__cplusplus", 11);
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pp_macro __macro;
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__macro.name = pp_symbol::get ("__null");
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__macro.definition = pp_symbol::get ("((void*) 0)");
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env.bind (__macro.name, __macro);
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// turn off the pch
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include_pch_file = 0;
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}
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else if (include_pch_file)
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{
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std::string __pch (include_pch_file);
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__pch += ".gch/c++.conf";
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//std::cerr << "*** pch file " << __pch << std::endl;
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preprocess.file (__pch, null_out);
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}
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if (opt_dump_macros)
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{
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preprocess.file (input_file, null_out);
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dump_macros (env, preprocess, std::cout);
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return EXIT_SUCCESS;
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}
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preprocess.file (input_file, out);
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if (opt_pch)
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{
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if (! output_file)
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{
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std::cerr << "*** WARNING expected a file name" << std::endl;
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return EXIT_FAILURE;
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}
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std::string __conf_file (output_file);
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__conf_file += ".conf";
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std::ofstream __out;
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__out.open (__conf_file.c_str ());
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dump_macros (env, preprocess, __out);
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__out.close ();
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std::string __pp_file (output_file);
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__pp_file += ".i";
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__out.open (__pp_file.c_str ());
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__out.write (result.c_str (), result.size ());
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__out.close ();
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return EXIT_SUCCESS;
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}
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std::ostream *__out = &std::cout;
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std::ofstream __ofile;
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if (output_file)
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{
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std::string __output_file_name (output_file);
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__ofile.open (output_file);
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__out = &__ofile;
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}
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if (include_pch_file)
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{
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std::string __pch (include_pch_file);
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__pch += ".gch/c++.i";
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std::ifstream __in (__pch.c_str ());
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char buffer [1024];
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while (__in.read (buffer, 1024))
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__out->write (buffer, 1024);
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__in.close ();
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}
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__out->write (result.c_str (), result.size ());
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if (output_file)
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__ofile.close ();
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return EXIT_SUCCESS;
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}
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// kate: space-indent on; indent-width 2; replace-tabs on;
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