source/buildinfo.cpp

   1 #include <algorithm>
   2 #include <set>
   3 #include <msp/strings/format.h>
   4 #include "buildinfo.h"
   5
   6 using namespace std;
   7 using namespace Msp;
   8
   9 namespace {
  10
  11 /** Removes any duplicate entries from a list, leaving only the first one.  The
  12 order of other elements is preserved.  O(nlogn) efficiency. */
  13 template<typename T>
  14 void unique(list<T> &l)
  15 {
  16         set<T> seen;
  17         for(typename list<T>::iterator i=l.begin(); i!=l.end(); )
  18         {
  19                 if(seen.count(*i))
  20                         l.erase(i++);
  21                 else
  22                         seen.insert(*i++);
  23         }
  24 }
  25
  26 }
  27
  28
  29 BuildInfo::BuildInfo():
  30         libmode(DYNAMIC),
  31         rpath_mode(NO_RPATH),
  32         threads(false),
  33         debug(false),
  34         optimize(0),
  35         strip(false),
  36         warning_level(0),
  37         fatal_warnings(false)
  38 { }
  39
  40 BuildInfo::LibraryMode BuildInfo::get_libmode_for(const string &lib) const
  41 {
  42         LibModeMap::const_iterator i = libmodes.find(lib);
  43         if(i!=libmodes.end())
  44                 return i->second;
  45         return libmode;
  46 }
  47
  48 void BuildInfo::update_from(const BuildInfo &bi, UpdateLevel level)
  49 {
  50         for(DefineMap::const_iterator i=bi.defines.begin(); i!=bi.defines.end(); ++i)
  51                 defines[i->first] = i->second;
  52         incpath.insert(incpath.begin(), bi.incpath.begin(), bi.incpath.end());
  53         threads = bi.threads;
  54
  55         for(StandardMap::const_iterator i=bi.standards.begin(); i!=bi.standards.end(); ++i)
  56         {
  57                 StandardMap::iterator j = standards.find(i->first);
  58                 if(j==standards.end())
  59                         standards.insert(*i);
  60                 else if(i->second.type!=j->second.type || i->second.year!=j->second.year)
  61                 {
  62                         if(!i->second.type.compare(0, 3, "gnu"))
  63                                 j->second.type = i->second.type;
  64                         if(i->second.year>j->second.year)
  65                                 j->second.year = i->second.year;
  66                 }
  67         }
  68
  69         if(level!=CHAINED)
  70         {
  71                 libpath.insert(libpath.begin(), bi.libpath.begin(), bi.libpath.end());
  72                 libs.insert(libs.begin(), bi.libs.begin(), bi.libs.end());
  73         }
  74
  75         if(level==LOCAL)
  76         {
  77                 sysroot = bi.sysroot;
  78                 local_incpath.insert(local_incpath.begin(), bi.local_incpath.begin(), bi.local_incpath.end());
  79                 libmode = bi.libmode;
  80                 rpath_mode = bi.rpath_mode;
  81                 for(LibModeMap::const_iterator i=bi.libmodes.begin(); i!=bi.libmodes.end(); ++i)
  82                         libmodes[i->first] = i->second;
  83                 keep_symbols.insert(keep_symbols.end(), bi.keep_symbols.begin(), bi.keep_symbols.end());
  84                 debug = bi.debug;
  85                 optimize = bi.optimize;
  86                 strip = bi.strip;
  87                 warning_level = bi.warning_level;
  88                 fatal_warnings = bi.fatal_warnings;
  89         }
  90
  91         unique(incpath);
  92         unique(local_incpath);
  93         unique(libpath);
  94         unique(libs);
  95         unique(keep_symbols);
  96 }
  97
  98
  99 BuildInfo::LanguageStandard::LanguageStandard(const string &std)
 100 {
 101         string::size_type num = string::npos;
 102         for(string::size_type i=0; (num==string::npos && i<std.size()); ++i)
 103                 if(isdigit(static_cast<unsigned char>(std[i])))
 104                         num = i;
 105         type = std.substr(0, num);
 106         year = lexical_cast<unsigned>(std.substr(num));
 107         year += (year<70 ? 2000 : 1900);
 108 }
 109
 110 string BuildInfo::LanguageStandard::str() const
 111 {
 112         return format("%s%02d", type, year%100);
 113 }
 114
 115
 116 BuildInfo::Loader::Loader(BuildInfo &bi):
 117         DataFile::ObjectLoader<BuildInfo>(bi)
 118 {
 119         add("debug",    &BuildInfo::debug);
 120         add("define",   &Loader::define);
 121         add("incpath",  &Loader::incpath);
 122         add("keep_symbol", &Loader::keep_symbol);
 123         add("libpath",  &Loader::libpath);
 124         add("library",  &Loader::library);
 125         add("libmode",  &BuildInfo::libmode);
 126         add("libmode",  &Loader::libmode_for_lib);
 127         add("local_incpath", &Loader::local_incpath);
 128         add("optimize", &BuildInfo::optimize);
 129         add("runtime_path_mode", &BuildInfo::rpath_mode);
 130         add("standard", &Loader::standard);
 131         add("strip",    &BuildInfo::strip);
 132         add("sysroot",  &Loader::sysroot);
 133         add("threads",  &BuildInfo::threads);
 134         add("warning_level", &BuildInfo::warning_level);
 135         add("fatal_warnings", &BuildInfo::fatal_warnings);
 136 }
 137
 138 void BuildInfo::Loader::incpath(const string &s)
 139 {
 140         obj.incpath.push_back(s);
 141 }
 142
 143 void BuildInfo::Loader::define(const string &d, const string &v)
 144 {
 145         obj.defines[d] = v;
 146 }
 147
 148 void BuildInfo::Loader::keep_symbol(const string &s)
 149 {
 150         obj.keep_symbols.push_back(s);
 151 }
 152
 153 void BuildInfo::Loader::libmode_for_lib(const string &l, LibraryMode m)
 154 {
 155         obj.libmodes[l] = m;
 156 }
 157
 158 void BuildInfo::Loader::libpath(const string &s)
 159 {
 160         obj.libpath.push_back(s);
 161 }
 162
 163 void BuildInfo::Loader::library(const string &s)
 164 {
 165         obj.libs.push_back(s);
 166 }
 167
 168 void BuildInfo::Loader::local_incpath(const string &s)
 169 {
 170         obj.local_incpath.push_back(s);
 171 }
 172
 173 void BuildInfo::Loader::standard(DataFile::Symbol tag, const string &std)
 174 {
 175         obj.standards[tag.name] = std;
 176 }
 177
 178 void BuildInfo::Loader::sysroot(const string &s)
 179 {
 180         obj.sysroot = s;
 181 }
 182
 183
 184 void operator>>(const LexicalConverter &conv, BuildInfo::LibraryMode &libmode)
 185 {
 186         if(conv.get()=="FORCE_STATIC")
 187                 libmode = BuildInfo::FORCE_STATIC;
 188         else if(conv.get()=="STATIC")
 189                 libmode = BuildInfo::STATIC;
 190         else if(conv.get()=="DYNAMIC")
 191                 libmode = BuildInfo::DYNAMIC;
 192         else if(conv.get()=="FORCE_DYNAMIC")
 193                 libmode = BuildInfo::FORCE_DYNAMIC;
 194         else
 195                 throw lexical_error(format("Conversion of '%s' to LibraryMode", conv.get()));
 196 }
 197
 198
 199 void operator>>(const LexicalConverter &conv, BuildInfo::RuntimePathMode &rpath_mode)
 200 {
 201         if(conv.get()=="NONE")
 202                 rpath_mode = BuildInfo::NO_RPATH;
 203         else if(conv.get()=="RELATIVE")
 204                 rpath_mode = BuildInfo::RELATIVE;
 205         else if(conv.get()=="ABSOLUTE")
 206                 rpath_mode = BuildInfo::ABSOLUTE;
 207         else
 208                 throw lexical_error(format("Conversion of '%s' to RuntimePathMode", conv.get()));
 209 }