ceph/src/boost/tools/inspect/apple_macro_check.cpp

   1 //  apple_macro_check implementation  ------------------------------------------------//
   2
   3 //  Copyright Marshall Clow 2007.
   4 //  Based on the tab-check checker by Beman Dawes
   5 //
   6 //  Distributed under the Boost Software License, Version 1.0.
   7 //  (See accompanying file LICENSE_1_0.txt or copy at
   8 //  http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #include "apple_macro_check.hpp"
  11 #include <functional>
  12 #include "boost/regex.hpp"
  13 #include "boost/lexical_cast.hpp"
  14 #include "boost/filesystem/operations.hpp"
  15
  16 namespace fs = boost::filesystem;
  17
  18 namespace
  19 {
  20   boost::regex apple_macro_regex(
  21     "("
  22     "^\\s*#\\s*undef\\s*" // # undef
  23     "\\b(check|verify|require|check_error)\\b"     // followed by apple macro name, whole word
  24     ")"
  25     "|"                   // or (ignored)
  26     "("
  27     "//[^\\n]*"           // single line comments (//)
  28     "|"
  29     "/\\*.*?\\*/"         // multi line comments (/**/)
  30     "|"
  31     "\"(?:\\\\\\\\|\\\\\"|[^\"])*\"" // string literals
  32     ")"
  33     "|"                   // or
  34     "("
  35     "\\b(check|verify|require|check_error)\\b" // apple macro name, whole word
  36     "\\s*\\("         // followed by 0 or more spaces and an opening paren
  37     ")"
  38     , boost::regex::normal);
  39
  40 } // unnamed namespace
  41
  42
  43 namespace boost
  44 {
  45   namespace inspect
  46   {
  47    apple_macro_check::apple_macro_check() : m_files_with_errors(0)
  48    {
  49      register_signature( ".c" );
  50      register_signature( ".cpp" );
  51      register_signature( ".cxx" );
  52      register_signature( ".h" );
  53      register_signature( ".hpp" );
  54      register_signature( ".hxx" );
  55      register_signature( ".ipp" );
  56    }
  57
  58    void apple_macro_check::inspect(
  59       const string & library_name,
  60       const path & full_path,   // example: c:/foo/boost/filesystem/path.hpp
  61       const string & contents )     // contents of file to be inspected
  62     {
  63       if (contents.find( "boostinspect:" "naapple_macros" ) != string::npos) return;
  64
  65       // Only check files in the boost directory, as we can avoid including the
  66       // apple test headers elsewhere.
  67       path relative( relative_to( full_path, search_root_path() ) );
  68       if ( relative.empty() || *relative.begin() != "boost") return;
  69
  70       boost::sregex_iterator cur(contents.begin(), contents.end(), apple_macro_regex), end;
  71
  72       long errors = 0;
  73
  74       for( ; cur != end; ++cur /*, ++m_files_with_errors*/ )
  75       {
  76
  77         if(!(*cur)[3].matched)
  78         {
  79           string::const_iterator it = contents.begin();
  80           string::const_iterator match_it = (*cur)[0].first;
  81
  82           string::const_iterator line_start = it;
  83
  84           string::size_type line_number = 1;
  85           for ( ; it != match_it; ++it) {
  86               if (string::traits_type::eq(*it, '\n')) {
  87                   ++line_number;
  88                   line_start = it + 1; // could be end()
  89               }
  90           }
  91
  92           ++errors;
  93           error( library_name, full_path,
  94             "Apple macro clash: " + std::string((*cur)[0].first, (*cur)[0].second-1),
  95             line_number );
  96         }
  97       }
  98       if(errors > 0) {
  99         ++m_files_with_errors;
 100       }
 101     }
 102   } // namespace inspect
 103 } // namespace boost
 104
 105