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Diffstat (limited to 'generator/parser/rpp/pp-main.cpp')
| -rw-r--r-- | generator/parser/rpp/pp-main.cpp | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/generator/parser/rpp/pp-main.cpp b/generator/parser/rpp/pp-main.cpp new file mode 100644 index 0000000..536caf1 --- /dev/null +++ b/generator/parser/rpp/pp-main.cpp @@ -0,0 +1,313 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** Copyright 2005 Roberto Raggi <roberto@kdevelop.org> +** +** This file is part of $PRODUCT$. +** +** $CPP_LICENSE$ +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +****************************************************************************/ + +#include <fstream> +#include "pp.h" + +using namespace rpp; + +#ifndef GCC_MACHINE +# define GCC_MACHINE "i386-redhat-linux" +#endif + +#ifndef GCC_VERSION +# define GCC_VERSION "4.1.1" +#endif + +void usage () +{ + std::cerr << "usage: rpp file.cpp" << std::endl; + ::exit (EXIT_FAILURE); +} + +void dump_macros (pp_environment &env, pp &, std::ostream &__out) +{ + 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; + } +} + +int main (int, char *argv []) +{ + 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; +} + +// kate: space-indent on; indent-width 2; replace-tabs on; + |