source/buildinfo.cpp

   1 #include <set>
   2 #include <msp/core/algorithm.h>
   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(auto 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(const auto &kvp: bi.defines)
  51                 defines[kvp.first] = kvp.second;
  52         incpath.insert(incpath.begin(), bi.incpath.begin(), bi.incpath.end());
  53         threads = bi.threads;
  54
  55         for(const auto &kvp: bi.standards)
  56         {
  57                 StandardMap::iterator j = standards.find(kvp.first);
  58                 if(j==standards.end())
  59                         standards.insert(kvp);
  60                 else if(kvp.second.type!=j->second.type || kvp.second.year!=j->second.year)
  61                 {
  62                         if(!kvp.second.type.compare(0, 3, "gnu"))
  63                                 j->second.type = kvp.second.type;
  64                         if(kvp.second.year>j->second.year)
  65                                 j->second.year = kvp.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(const auto &kvp: bi.libmodes)
  82                         libmodes[kvp.first] = kvp.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         auto i = find_if(std, [](char c){ return isdigit(static_cast<unsigned char>(c)); });
 102         string::size_type num = i-std.begin();
 103         type = std.substr(0, num);
 104         year = lexical_cast<unsigned>(std.substr(num));
 105         year += (year<70 ? 2000 : 1900);
 106 }
 107
 108 string BuildInfo::LanguageStandard::str() const
 109 {
 110         return format("%s%02d", type, year%100);
 111 }
 112
 113
 114 BuildInfo::Loader::Loader(BuildInfo &bi):
 115         DataFile::ObjectLoader<BuildInfo>(bi)
 116 {
 117         add("debug",    &BuildInfo::debug);
 118         add("define",   &Loader::define);
 119         add("incpath",  &Loader::incpath);
 120         add("keep_symbol", &Loader::keep_symbol);
 121         add("libpath",  &Loader::libpath);
 122         add("library",  &Loader::library);
 123         add("libmode",  &BuildInfo::libmode);
 124         add("libmode",  &Loader::libmode_for_lib);
 125         add("local_incpath", &Loader::local_incpath);
 126         add("optimize", &BuildInfo::optimize);
 127         add("runtime_path_mode", &BuildInfo::rpath_mode);
 128         add("standard", &Loader::standard);
 129         add("strip",    &BuildInfo::strip);
 130         add("sysroot",  &Loader::sysroot);
 131         add("threads",  &BuildInfo::threads);
 132         add("warning_level", &BuildInfo::warning_level);
 133         add("fatal_warnings", &BuildInfo::fatal_warnings);
 134 }
 135
 136 void BuildInfo::Loader::incpath(const string &s)
 137 {
 138         obj.incpath.push_back(s);
 139 }
 140
 141 void BuildInfo::Loader::define(const string &d, const string &v)
 142 {
 143         obj.defines[d] = v;
 144 }
 145
 146 void BuildInfo::Loader::keep_symbol(const string &s)
 147 {
 148         obj.keep_symbols.push_back(s);
 149 }
 150
 151 void BuildInfo::Loader::libmode_for_lib(const string &l, LibraryMode m)
 152 {
 153         obj.libmodes[l] = m;
 154 }
 155
 156 void BuildInfo::Loader::libpath(const string &s)
 157 {
 158         obj.libpath.push_back(s);
 159 }
 160
 161 void BuildInfo::Loader::library(const string &s)
 162 {
 163         obj.libs.push_back(s);
 164 }
 165
 166 void BuildInfo::Loader::local_incpath(const string &s)
 167 {
 168         obj.local_incpath.push_back(s);
 169 }
 170
 171 void BuildInfo::Loader::standard(DataFile::Symbol tag, const string &std)
 172 {
 173         obj.standards[tag.name] = std;
 174 }
 175
 176 void BuildInfo::Loader::sysroot(const string &s)
 177 {
 178         obj.sysroot = s;
 179 }
 180
 181
 182 void operator>>(const LexicalConverter &conv, BuildInfo::LibraryMode &libmode)
 183 {
 184         if(conv.get()=="FORCE_STATIC")
 185                 libmode = BuildInfo::FORCE_STATIC;
 186         else if(conv.get()=="STATIC")
 187                 libmode = BuildInfo::STATIC;
 188         else if(conv.get()=="DYNAMIC")
 189                 libmode = BuildInfo::DYNAMIC;
 190         else if(conv.get()=="FORCE_DYNAMIC")
 191                 libmode = BuildInfo::FORCE_DYNAMIC;
 192         else
 193                 throw lexical_error(format("Conversion of '%s' to LibraryMode", conv.get()));
 194 }
 195
 196
 197 void operator>>(const LexicalConverter &conv, BuildInfo::RuntimePathMode &rpath_mode)
 198 {
 199         if(conv.get()=="NONE")
 200                 rpath_mode = BuildInfo::NO_RPATH;
 201         else if(conv.get()=="RELATIVE")
 202                 rpath_mode = BuildInfo::RELATIVE;
 203         else if(conv.get()=="ABSOLUTE")
 204                 rpath_mode = BuildInfo::ABSOLUTE;
 205         else
 206                 throw lexical_error(format("Conversion of '%s' to RuntimePathMode", conv.get()));
 207 }