1 /* Find the correct compiler.
2 Copyright (C) 2014 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
25 #include "libiberty.h"
27 #include "findcomp.hh"
33 scanner (const std::string &dir)
35 m_dir = opendir (dir.c_str ());
49 struct dirent *entry = readdir (m_dir);
62 search_dir (const regex_t ®exp, const std::string &dir, std::string *result)
67 while ((filename = scan.next ()) != NULL)
69 if (regexec (®exp, filename, 0, NULL, 0) == 0)
83 tokenizer (const char *str)
91 return m_pos == std::string::npos;
96 std::string::size_type last_pos = m_pos;
97 std::string::size_type colon = m_str.find(':', last_pos);
100 if (colon == std::string::npos)
103 result = m_str.substr(last_pos, colon);
108 result = m_str.substr(last_pos, colon - last_pos);
119 std::string::size_type m_pos;
123 find_compiler (const regex_t ®exp, std::string *result)
125 const char *cpath = getenv ("PATH");
130 tokenizer dirs (cpath);
131 while (!dirs.done ())
133 std::string dir = dirs.next ();
134 if (search_dir (regexp, dir, result))