{

std::cerr << "usage: rpp file.cpp" << std::endl;

::exit (EXIT_FAILURE);

{

for (pp_environment::const_iterator it = env.first_macro (); it != env.last_macro (); ++it)

{

pp_macro const *m = *it;

if (m->hidden)

continue;

std::string id (m->name->begin (), m->name->end ());

__out << "#define " << id;

if (m->function_like)

{

__out << "(";

for (std::size_t i = 0; i < m->formals.size (); ++i)

{

if (i != 0)

__out << ", ";

pp_fast_string const *f = m->formals [i];

std::string name (f->begin (), f->end ());

__out << name;

}

if (m->variadics)

__out << "...";

__out << ")";

}

__out << "\t";

if (m->definition)

{

std::string def (m->definition->begin (), m->definition->end ());

__out << def;

}

__out << std::endl;

}

{

char const *input_file = 0;

char const *output_file = 0;

char const *include_pch_file = 0;

bool opt_help = false;

bool opt_dump_macros = false;

bool opt_pch = false;

pp_environment env;

pp preprocess(env);

std::string result;

result.reserve (20 * 1024); // 20K

pp_output_iterator<std::string> out (result);

pp_null_output_iterator null_out;

preprocess.push_include_path ("/usr/include");

preprocess.push_include_path ("/usr/lib/gcc/" GCC_MACHINE "/" GCC_VERSION "/include");

preprocess.push_include_path ("/usr/include/c++/" GCC_VERSION);

preprocess.push_include_path ("/usr/include/c++/" GCC_VERSION "/" GCC_MACHINE);

std::string extra_args;

while (const char *arg = *++argv)

{

if (arg [0] != '-')

input_file = arg;

else if (! strcmp (arg, "-help"))

opt_help = true;

else if (! strcmp (arg, "-dM"))

opt_dump_macros = true;

else if (! strcmp (arg, "-pch"))

opt_pch = true;

else if (! strcmp (arg, "-msse"))

{

pp_macro __macro;

__macro.name = pp_symbol::get ("__SSE__", 7);

env.bind (__macro.name, __macro);

__macro.name = pp_symbol::get ("__MMX__", 7);

env.bind (__macro.name, __macro);

}

else if (! strcmp (arg, "-include"))

{

if (argv [1])

include_pch_file = *++argv;

}

else if (! strncmp (arg, "-o", 2))

{

arg += 2;

if (! arg [0] && argv [1])

arg = *++argv;

if (arg)

output_file = arg;

}

else if (! strncmp (arg, "-conf", 8))

{

if (argv [1])

preprocess.file (*++argv, null_out);

}

else if (! strncmp (arg, "-I", 2))

{

arg += 2;

if (! arg [0] && argv [1])

arg = *++argv;

if (arg)

preprocess.push_include_path (arg);

}

else if (! strncmp (arg, "-U", 2))

{

arg += 2;

if (! arg [0] && argv [1])

arg = *++argv;

if (arg)

{

env.unbind (arg, strlen (arg));

}

}

else if (! strncmp (arg, "-D", 2))

{

arg += 2;

if (! arg [0] && argv [1])

arg = *++argv;

if (arg)

{

pp_macro __macro;

char const *end = arg;

char const *eq = 0;

for (; *end; ++end)

{

if (*end == '=')

eq = end;

}

if (eq != 0)

{

__macro.name = pp_symbol::get (arg, eq - arg);

__macro.definition = pp_symbol::get (eq + 1, end - (eq + 1));

}

else

{

__macro.name = pp_symbol::get (arg, end - arg);

__macro.definition = 0;

}

env.bind (__macro.name, __macro);

}

}

else

{

extra_args += " ";

extra_args += arg;

}

}

if (! input_file || opt_help)

{

usage ();

return EXIT_FAILURE;

}

std::string __ifile (input_file);

bool is_c_file = false;

if (__ifile.size () > 2 && __ifile [__ifile.size () - 1] == 'c' && __ifile [__ifile.size () - 2] == '.')

{

is_c_file = true;

env.unbind ("__cplusplus", 11);

pp_macro __macro;

__macro.name = pp_symbol::get ("__null");

__macro.definition = pp_symbol::get ("((void*) 0)");

env.bind (__macro.name, __macro);

// turn off the pch

include_pch_file = 0;

}

else if (include_pch_file)

{

std::string __pch (include_pch_file);

__pch += ".gch/c++.conf";

//std::cerr << "*** pch file " << __pch << std::endl;

preprocess.file (__pch, null_out);

}

if (opt_dump_macros)

{

preprocess.file (input_file, null_out);

dump_macros (env, preprocess, std::cout);

return EXIT_SUCCESS;

}

preprocess.file (input_file, out);

if (opt_pch)

{

if (! output_file)

{

std::cerr << "*** WARNING expected a file name" << std::endl;

return EXIT_FAILURE;

}

std::string __conf_file (output_file);

__conf_file += ".conf";

std::ofstream __out;

__out.open (__conf_file.c_str ());

dump_macros (env, preprocess, __out);

__out.close ();

std::string __pp_file (output_file);

__pp_file += ".i";

__out.open (__pp_file.c_str ());

__out.write (result.c_str (), result.size ());

__out.close ();

return EXIT_SUCCESS;

}

std::ostream *__out = &std::cout;

std::ofstream __ofile;

if (output_file)

{

std::string __output_file_name (output_file);

__ofile.open (output_file);

__out = &__ofile;

}

if (include_pch_file)

{

std::string __pch (include_pch_file);

__pch += ".gch/c++.i";

std::ifstream __in (__pch.c_str ());

char buffer [1024];

while (__in.read (buffer, 1024))

__out->write (buffer, 1024);

__in.close ();

}

__out->write (result.c_str (), result.size ());

if (output_file)

__ofile.close ();

return EXIT_SUCCESS;