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         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==DATAFILE)
 160         {
 161                 const Tool &dcomp = toolchain.get_tool("DATA");
 162
 163                 File *source;
 164                 if(Target *tgt = builder.get_vfs().get_target(source_filenames.front()))
 165                         source = dynamic_cast<File *>(tgt);
 166                 else
 167                         source = new File(builder, package, source_filenames.front());
 168                 Target *result = dcomp.create_target(*source);
 169
 170                 build_graph.add_primary_target(*result);
 171                 if(install)
 172                         build_graph.add_installed_target(*result);
 173         }
 174
 175         if(type==PROGRAM || type==LIBRARY || type==MODULE)
 176         {
 177                 list<Target *> objs;
 178                 for(SourceList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 179                 {
 180                         string ext = FS::extpart(FS::basename(*i));
 181                         const Tool *tool = toolchain.get_tool_for_suffix(ext, true);
 182                         if(tool)
 183                         {
 184                                 Target *src = tool->create_source(*this, *i);
 185                                 if(!src)
 186                                         continue;
 187
 188                                 if(tool->accepts_suffix(ext))
 189                                 {
 190                                         Target *obj = tool->create_target(*src);
 191                                         objs.push_back(obj);
 192                                 }
 193
 194                                 if(type==LIBRARY && install && dynamic_cast<FileTarget *>(src)->is_installable())
 195                                         build_graph.add_installed_target(*src);
 196                         }
 197                 }
 198
 199                 const Tool &linker = toolchain.get_tool("LINK");
 200
 201                 list<Target *> results;
 202                 if(type==LIBRARY)
 203                 {
 204                         const Tool &archiver = toolchain.get_tool("AR");
 205                         results.push_back(linker.create_target(objs, "shared"));
 206                         results.push_back(archiver.create_target(objs));
 207                 }
 208                 else if(type==MODULE)
 209                         results.push_back(linker.create_target(objs, "shared"));
 210                 else
 211                         results.push_back(linker.create_target(objs));
 212
 213                 for(list<Target *>::const_iterator i=results.begin(); i!=results.end(); ++i)
 214                 {
 215                         build_graph.add_primary_target(**i);
 216                         if(install)
 217                                 build_graph.add_installed_target(**i);
 218                 }
 219         }
 220 }
 221
 222 Component::SourceList Component::collect_source_files() const
 223 {
 224         SourceList files;
 225         for(SourceList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 226         {
 227                 FS::Path path(*i);
 228                 if(FS::is_dir(path))
 229                 {
 230                         package.get_builder().get_logger().log("files", format("Traversing %s", path));
 231                         list<string> sfiles = list_files(path);
 232                         for(list<string>::iterator j=sfiles.begin(); j!=sfiles.end(); ++j)
 233                                 files.push_back(path / *j);
 234                 }
 235                 else
 236                         files.push_back(path);
 237         }
 238
 239         return files;
 240 }
 241
 242
 243 Component::Loader::Loader(Component &c):
 244         DataFile::ObjectLoader<Component>(c)
 245 {
 246         add("source",          &Loader::source);
 247         add("install",         &Component::install);
 248         add("install_map",     &Loader::install_map);
 249         add("build_info",      &Loader::build_info);
 250         add("require",         &Loader::require);
 251         add("default",         &Component::deflt);
 252         add("use",             &Loader::use);
 253 }
 254
 255 void Component::Loader::source(const string &s)
 256 {
 257         obj.sources.push_back((obj.package.get_source_directory()/s).str());
 258 }
 259
 260 void Component::Loader::require(const string &n)
 261 {
 262         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 263         if(req)
 264                 obj.requires.push_back(req);
 265 }
 266
 267 void Component::Loader::build_info()
 268 {
 269         load_sub(obj.build_info);
 270 }
 271
 272 void Component::Loader::install_map()
 273 {
 274         load_sub(obj.install_map, obj.package.get_source_directory());
 275 }
 276
 277 void Component::Loader::use(const string &n)
 278 {
 279         const SourcePackage::ComponentList &components = obj.package.get_components();
 280         for(SourcePackage::ComponentList::const_iterator i=components.begin(); i!=components.end(); ++i)
 281                 if(i->get_name()==n && i->get_type()==LIBRARY)
 282                 {
 283                         obj.uses.push_back(&*i);
 284                         return;
 285                 }
 286         throw invalid_argument("Component::Loader::use");
 287 }