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 "datapack.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         for(UseList::const_iterator i=uses.begin(); i!=uses.end(); ++i)
  72         {
  73                 /* Select an include path that contains all the sources for this and the
  74                 used component.  This should produce a sensible result in most cases. */
  75                 FS::Path base;
  76                 for(SourceList::const_iterator j=sources.begin(); j!=sources.end(); ++j)
  77                         base = base.empty() ? *j : FS::common_ancestor(base, *j);
  78                 const SourceList &use_sources = (*i)->get_sources();
  79                 for(SourceList::const_iterator j=use_sources.begin(); j!=use_sources.end(); ++j)
  80                         base = FS::common_ancestor(base, *j);
  81                 build_info.incpath.push_back(base);
  82                 build_info.libs.push_back((*i)->get_name());
  83                 if(!(*i)->get_install())
  84                 {
  85                     build_info.libmodes[(*i)->get_name()] = BuildInfo::STATIC;
  86                         build_info.libpath.push_back((*i)->get_package().get_source_directory());
  87                 }
  88         }
  89
  90         if(type==LIBRARY || type==MODULE)
  91                 if(build_info.libmode<BuildInfo::DYNAMIC)
  92                         build_info.libmode = BuildInfo::DYNAMIC;
  93
  94         if(build_info.libmode<BuildInfo::DYNAMIC)
  95         {
  96                 for(Package::Requirements::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  97                 {
  98                         const BuildInfo &ebi = (*i)->get_exported_build_info();
  99                         build_info.libpath.insert(build_info.libpath.end(), ebi.libpath.begin(), ebi.libpath.end());
 100                 }
 101         }
 102 }
 103
 104 void Component::create_targets() const
 105 {
 106         Builder &builder = package.get_builder();
 107         BuildGraph &build_graph = builder.get_build_graph();
 108         const Toolchain &toolchain = builder.get_toolchain();
 109
 110         SourceList source_filenames = collect_source_files();
 111
 112         string inst_loc;
 113         if(type==TARBALL)
 114         {
 115                 const Tool &tar = toolchain.get_tool("TAR");
 116
 117                 list<Target *> files;
 118                 for(SourceList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 119                 {
 120                         FileTarget *file = builder.get_vfs().get_target(*i);
 121                         if(!file)
 122                                 file = new File(builder, package, *i);
 123                         files.push_back(file);
 124                 }
 125
 126                 string tarname = name;
 127                 if(name=="@src")
 128                 {
 129                         tarname = package.get_name()+"-"+package.get_version();
 130                         files.insert(files.begin(), &package.get_build_file());
 131
 132                         const BuildGraph::TargetMap &targets = build_graph.get_targets();
 133                         for(BuildGraph::TargetMap::const_iterator i=targets.begin(); i!=targets.end(); ++i)
 134                                 if(i->second->get_package()==&package && !i->second->is_buildable())
 135                                         if(find(files.begin(), files.end(), i->second)==files.end())
 136                                                 files.push_back(i->second);
 137                 }
 138
 139                 Target *result = tar.create_target(files, tarname);
 140
 141                 build_graph.get_target("tarballs")->add_dependency(*result);
 142
 143                 return;
 144         }
 145         else if(type==INSTALL)
 146         {
 147                 Target *inst = build_graph.get_target("install");
 148                 const Tool &copy = toolchain.get_tool("CP");
 149                 for(SourceList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 150                 {
 151                         FileTarget *ft;
 152                         if(Target *tgt = builder.get_vfs().get_target(*i))
 153                                 ft = dynamic_cast<FileTarget *>(tgt);
 154                         else
 155                                 ft = new File(builder, package, *i);
 156                         inst->add_dependency(*copy.create_target(*ft, name));
 157                 }
 158         }
 159         else if(type==DATAPACK)
 160         {
 161                 const Tool &dcomp = toolchain.get_tool("DATA");
 162
 163                 list<Target *> files;
 164                 for(SourceList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 165                 {
 166                         string ext = FS::extpart(FS::basename(*i));
 167                         if(ext==".mdt")
 168                         {
 169                                 Target *src = dcomp.create_source(*this, *i);
 170                                 files.push_back(dcomp.create_target(*src, "collection"));
 171                         }
 172                         else if(Target *tgt = builder.get_vfs().get_target(*i))
 173                                 files.push_back(tgt);
 174                         else
 175                                 files.push_back(new File(builder, package, *i));
 176                 }
 177
 178                 Target *result = dcomp.create_target(files, "pack");
 179
 180                 build_graph.add_primary_target(*result);
 181                 if(install)
 182                         build_graph.add_installed_target(*result);
 183         }
 184
 185         if(type==PROGRAM || type==LIBRARY || type==MODULE)
 186         {
 187                 list<Target *> objs;
 188                 for(SourceList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 189                 {
 190                         string ext = FS::extpart(FS::basename(*i));
 191                         const Tool *tool = toolchain.get_tool_for_suffix(ext, true);
 192                         if(tool)
 193                         {
 194                                 Target *src = tool->create_source(*this, *i);
 195                                 if(!src)
 196                                         continue;
 197
 198                                 if(tool->accepts_suffix(ext))
 199                                 {
 200                                         Target *obj = tool->create_target(*src);
 201                                         objs.push_back(obj);
 202                                 }
 203
 204                                 if(type==LIBRARY && install && dynamic_cast<FileTarget *>(src)->is_installable())
 205                                         build_graph.add_installed_target(*src);
 206                         }
 207                 }
 208
 209                 const Tool &linker = toolchain.get_tool("LINK");
 210
 211                 list<Target *> results;
 212                 if(type==LIBRARY)
 213                 {
 214                         const Tool &archiver = toolchain.get_tool("AR");
 215                         results.push_back(linker.create_target(objs, "shared"));
 216                         results.push_back(archiver.create_target(objs));
 217                 }
 218                 else if(type==MODULE)
 219                         results.push_back(linker.create_target(objs, "shared"));
 220                 else
 221                         results.push_back(linker.create_target(objs));
 222
 223                 for(list<Target *>::const_iterator i=results.begin(); i!=results.end(); ++i)
 224                 {
 225                         build_graph.add_primary_target(**i);
 226                         if(install)
 227                                 build_graph.add_installed_target(**i);
 228                 }
 229         }
 230 }
 231
 232 Component::SourceList Component::collect_source_files() const
 233 {
 234         SourceList files;
 235         for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 236         {
 237                 FS::Path path(*i);
 238                 if(FS::is_dir(path))
 239                 {
 240                         package.get_builder().get_logger().log("files", format("Traversing %s", path));
 241                         list<string> sfiles = list_files(path);
 242                         for(list<string>::iterator j=sfiles.begin(); j!=sfiles.end(); ++j)
 243                                 files.push_back(path / *j);
 244                 }
 245                 else
 246                         files.push_back(path);
 247         }
 248
 249         return files;
 250 }
 251
 252
 253 Component::Loader::Loader(Component &c):
 254         DataFile::ObjectLoader<Component>(c)
 255 {
 256         add("if_arch",         &Loader::if_arch);
 257         add("if_feature",      &Loader::if_feature);
 258         add("source",          &Loader::source);
 259         add("install",         &Component::install);
 260         add("install_map",     &Loader::install_map);
 261         add("build_info",      &Loader::build_info);
 262         add("require",         &Loader::require);
 263         add("default",         &Component::deflt);
 264         add("use",             &Loader::use);
 265 }
 266
 267 void Component::Loader::build_info()
 268 {
 269         load_sub(obj.build_info);
 270 }
 271
 272 void Component::Loader::if_arch(const string &cond)
 273 {
 274         bool match = obj.package.get_builder().get_current_arch().match_name(cond);
 275         obj.package.get_builder().get_logger().log("configure",
 276                 format("%s/%s: arch %s %smatched", obj.package.get_name(), obj.name, cond, (match ? "" : "not ")));
 277         if(match)
 278                 load_sub_with(*this);
 279 }
 280
 281 void Component::Loader::if_feature(const string &cond)
 282 {
 283         bool match = obj.package.match_feature(cond);
 284         obj.package.get_builder().get_logger().log("configure",
 285                 format("%s/%s: feature %s %smatched", obj.package.get_name(), obj.name, cond, (match ? "" : "not ")));
 286         if(match)
 287                 load_sub_with(*this);
 288 }
 289
 290 void Component::Loader::install_map()
 291 {
 292         load_sub(obj.install_map, obj.package.get_source_directory());
 293 }
 294
 295 void Component::Loader::require(const string &n)
 296 {
 297         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 298         if(req)
 299                 obj.requires.push_back(req);
 300 }
 301
 302 void Component::Loader::source(const string &s)
 303 {
 304         obj.sources.push_back((obj.package.get_source_directory()/s).str());
 305 }
 306
 307 void Component::Loader::use(const string &n)
 308 {
 309         const SourcePackage::ComponentList &components = obj.package.get_components();
 310         for(SourcePackage::ComponentList::const_iterator i=components.begin(); i!=components.end(); ++i)
 311                 if(i->get_name()==n && i->get_type()==LIBRARY)
 312                 {
 313                         obj.uses.push_back(&*i);
 314                         return;
 315                 }
 316         throw invalid_argument("Component::Loader::use");
 317 }