source/component.cpp

   1 #include <algorithm>
   2 #include <msp/fs/dir.h>
   3 #include <msp/fs/stat.h>
   4 #include <msp/fs/utils.h>
   5 #include <msp/io/print.h>
   6 #include <msp/strings/lexicalcast.h>
   7 #include "builder.h"
   8 #include "component.h"
   9 #include "csourcefile.h"
  10 #include "datafile.h"
  11 #include "executable.h"
  12 #include "file.h"
  13 #include "objectfile.h"
  14 #include "sharedlibrary.h"
  15 #include "sourcepackage.h"
  16 #include "staticlibrary.h"
  17 #include "tarball.h"
  18 #include "target.h"
  19 #include "tool.h"
  20 #include "toolchain.h"
  21
  22 using namespace std;
  23 using namespace Msp;
  24
  25 Component::Component(SourcePackage &p, Type t, const string &n):
  26         package(p),
  27         type(t),
  28         name(n),
  29         install(false),
  30         deflt(true)
  31 { }
  32
  33 void Component::prepare()
  34 {
  35         for(Package::Requirements::const_iterator i=requires.begin(); i!=requires.end(); ++i)
  36                 (*i)->prepare();
  37 }
  38
  39 void Component::create_build_info()
  40 {
  41         BuildInfo final_build_info;
  42
  43         const Package::Requirements &pkg_reqs = package.get_required_packages();
  44         Package::Requirements direct_reqs = requires;
  45         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  46
  47         Package::Requirements all_reqs = direct_reqs;
  48         for(Package::Requirements::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  49         {
  50                 BuildInfo::UpdateLevel level = BuildInfo::CHAINED;
  51                 if(find(direct_reqs.begin(), direct_reqs.end(), *i)!=direct_reqs.end())
  52                         level = BuildInfo::DEPENDENCY;
  53                 final_build_info.update_from((*i)->get_exported_build_info(), level);
  54
  55                 const Package::Requirements &reqs = (*i)->get_required_packages();
  56                 for(Package::Requirements::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
  57                         if(find(all_reqs.begin(), all_reqs.end(), *j)==all_reqs.end())
  58                                 all_reqs.push_back(*j);
  59         }
  60
  61         final_build_info.update_from(package.get_build_info());
  62
  63         for(BuildInfo::PathList::iterator i=build_info.incpath.begin(); i!=build_info.incpath.end(); ++i)
  64                 *i = (package.get_source_directory() / *i).str();
  65         for(BuildInfo::PathList::iterator i=build_info.libpath.begin(); i!=build_info.libpath.end(); ++i)
  66                 *i = (package.get_source_directory() / *i).str();
  67
  68         final_build_info.update_from(build_info);
  69         build_info = final_build_info;
  70
  71         if(type==LIBRARY || type==MODULE)
  72                 if(build_info.libmode<BuildInfo::DYNAMIC)
  73                         build_info.libmode = BuildInfo::DYNAMIC;
  74
  75         if(build_info.libmode<BuildInfo::DYNAMIC)
  76         {
  77                 for(Package::Requirements::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  78                 {
  79                         const BuildInfo &ebi = (*i)->get_exported_build_info();
  80                         build_info.libpath.insert(build_info.libpath.end(), ebi.libpath.begin(), ebi.libpath.end());
  81                 }
  82         }
  83 }
  84
  85 void Component::create_targets() const
  86 {
  87         Builder &builder = package.get_builder();
  88         const Toolchain &toolchain = builder.get_toolchain();
  89
  90         SourceList source_filenames = collect_source_files();
  91         list<Target *> inst_list;
  92
  93         string inst_loc;
  94         if(type==TARBALL)
  95         {
  96                 const Tool &tar = toolchain.get_tool("TAR");
  97
  98                 list<Target *> files;
  99                 for(SourceList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 100                 {
 101                         FileTarget *file = builder.get_vfs().get_target(*i);
 102                         if(!file)
 103                                 file = new File(builder, package, *i);
 104                         files.push_back(file);
 105                 }
 106
 107                 string tarname = name;
 108                 if(name=="@src")
 109                 {
 110                         tarname = package.get_name()+"-"+package.get_version();
 111                         files.insert(files.begin(), &package.get_build_file());
 112
 113                         const Builder::TargetMap &targets = builder.get_targets();
 114                         for(Builder::TargetMap::const_iterator i=targets.begin(); i!=targets.end(); ++i)
 115                                 if(i->second->get_package()==&package && !i->second->is_buildable())
 116                                         if(find(files.begin(), files.end(), i->second)==files.end())
 117                                                 files.push_back(i->second);
 118                 }
 119
 120                 Target *result = tar.create_target(files, tarname);
 121
 122                 builder.get_target("tarballs")->add_dependency(*result);
 123
 124                 return;
 125         }
 126         else if(type==INSTALL)
 127         {
 128                 inst_loc = name;
 129                 for(SourceList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 130                 {
 131                         FileTarget *ft;
 132                         if(Target *tgt = builder.get_vfs().get_target(*i))
 133                                 ft = dynamic_cast<FileTarget *>(tgt);
 134                         else
 135                                 ft = new File(builder, package, *i);
 136                         inst_list.push_back(ft);
 137                 }
 138         }
 139         else if(type==DATAFILE)
 140         {
 141                 const Tool &dcomp = toolchain.get_tool("DATA");
 142
 143                 File *source;
 144                 if(Target *tgt = builder.get_vfs().get_target(source_filenames.front()))
 145                         source = dynamic_cast<File *>(tgt);
 146                 else
 147                         source = new File(builder, package, source_filenames.front());
 148                 Target *result = dcomp.create_target(*source);
 149
 150                 builder.add_primary_target(*result);
 151                 if(install)
 152                         inst_list.push_back(result);
 153         }
 154
 155         if(type==PROGRAM || type==LIBRARY || type==MODULE)
 156         {
 157                 list<Target *> objs;
 158                 for(SourceList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 159                 {
 160                         string ext = FS::extpart(FS::basename(*i));
 161                         const Tool *tool = toolchain.get_tool_for_suffix(ext, true);
 162                         if(tool)
 163                         {
 164                                 Target *src = tool->create_source(*this, *i);
 165                                 if(!src)
 166                                         continue;
 167
 168                                 if(tool->accepts_suffix(ext))
 169                                 {
 170                                         Target *obj = tool->create_target(*src);
 171                                         objs.push_back(obj);
 172                                 }
 173
 174                                 if(type==LIBRARY && install && dynamic_cast<FileTarget *>(src)->is_installable())
 175                                         inst_list.push_back(src);
 176                         }
 177                 }
 178
 179                 const Tool &linker = toolchain.get_tool("LINK");
 180
 181                 list<Target *> results;
 182                 if(type==LIBRARY)
 183                 {
 184                         const Tool &archiver = toolchain.get_tool("AR");
 185                         results.push_back(linker.create_target(objs, "shared"));
 186                         results.push_back(archiver.create_target(objs));
 187                 }
 188                 else if(type==MODULE)
 189                         results.push_back(linker.create_target(objs, "shared"));
 190                 else
 191                         results.push_back(linker.create_target(objs));
 192
 193                 const Target::Dependencies &world_deps = builder.get_target("world")->get_dependencies();
 194                 for(UseList::const_iterator i=uses.begin(); i!=uses.end(); ++i)
 195                 {
 196                         /* The world target depends on all primary targets; look for the
 197                         static library belonging to the component.  This is a bit roundabout
 198                         way but gets the job done. */
 199                         bool found = false;
 200                         for(Target::Dependencies::const_iterator j=world_deps.begin(); j!=world_deps.end(); ++j)
 201                                 if((*j)->get_component()==*i && dynamic_cast<StaticLibrary *>(*j))
 202                                 {
 203                                         results.front()->add_dependency(**j);
 204                                         found = true;
 205                                         break;
 206                                 }
 207                         if(!found)
 208                                 builder.problem(package.get_name(), format("Can't find static library %s for component %s", (*i)->get_name(), name));
 209                 }
 210
 211                 for(list<Target *>::const_iterator i=results.begin(); i!=results.end(); ++i)
 212                 {
 213                         builder.add_primary_target(**i);
 214                         if(install)
 215                                 inst_list.push_back(*i);
 216                 }
 217         }
 218
 219         Target *inst_tgt = builder.get_target("install");
 220         const Tool &copy = toolchain.get_tool("CP");
 221         for(list<Target *>::const_iterator i=inst_list.begin(); i!=inst_list.end(); ++i)
 222         {
 223                 Target *inst = copy.create_target(**i, inst_loc);
 224                 inst_tgt->add_dependency(*inst);
 225         }
 226 }
 227
 228 Component::SourceList Component::collect_source_files() const
 229 {
 230         SourceList files;
 231         for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 232         {
 233                 FS::Path path(*i);
 234                 if(FS::is_dir(path))
 235                 {
 236                         package.get_builder().get_logger().log("files", format("Traversing %s", path));
 237                         list<string> sfiles = list_files(path);
 238                         for(list<string>::iterator j=sfiles.begin(); j!=sfiles.end(); ++j)
 239                                 files.push_back(path / *j);
 240                 }
 241                 else
 242                         files.push_back(path);
 243         }
 244
 245         return files;
 246 }
 247
 248
 249 Component::Loader::Loader(Component &c):
 250         DataFile::ObjectLoader<Component>(c)
 251 {
 252         add("source",          &Loader::source);
 253         add("install",         &Component::install);
 254         add("install_map",     &Loader::install_map);
 255         add("build_info",      &Loader::build_info);
 256         add("require",         &Loader::require);
 257         add("default",         &Component::deflt);
 258         add("use",             &Loader::use);
 259 }
 260
 261 void Component::Loader::source(const string &s)
 262 {
 263         obj.sources.push_back((obj.package.get_source_directory()/s).str());
 264 }
 265
 266 void Component::Loader::require(const string &n)
 267 {
 268         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 269         if(req)
 270                 obj.requires.push_back(req);
 271 }
 272
 273 void Component::Loader::build_info()
 274 {
 275         load_sub(obj.build_info);
 276 }
 277
 278 void Component::Loader::install_map()
 279 {
 280         load_sub(obj.install_map, obj.package.get_source_directory());
 281 }
 282
 283 void Component::Loader::use(const string &n)
 284 {
 285         const SourcePackage::ComponentList &components = obj.package.get_components();
 286         for(SourcePackage::ComponentList::const_iterator i=components.begin(); i!=components.end(); ++i)
 287                 if(i->get_name()==n && i->get_type()==LIBRARY)
 288                 {
 289                         obj.uses.push_back(&*i);
 290                         return;
 291                 }
 292         error(format("Unknown library component '%s'", n));
 293 }