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 "datafile.h"
  10 #include "executable.h"
  11 #include "file.h"
  12 #include "header.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         pkg(p),
  27         type(t),
  28         name(n),
  29         install(false),
  30         deflt(true)
  31 { }
  32
  33 void Component::configure(const StringMap &opts, unsigned flag)
  34 {
  35         for(StringList::iterator i=sources.begin(); i!=sources.end(); ++i)
  36                 *i = (pkg.get_source()/pkg.expand_string(*i)).str();
  37
  38         for(PackageList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
  39                 (*i)->configure(opts, flag&2);
  40 }
  41
  42 void Component::create_build_info()
  43 {
  44         const PackageList &pkg_reqs = pkg.get_requires();
  45         PackageList direct_reqs = requires;
  46         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  47
  48         PackageList all_reqs = direct_reqs;
  49         for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  50         {
  51                 BuildInfo::UpdateLevel level = BuildInfo::CHAINED;
  52                 if(find(direct_reqs.begin(), direct_reqs.end(), *i)!=direct_reqs.end())
  53                         level = BuildInfo::DEPENDENCY;
  54                 build_info.update_from((*i)->get_exported_binfo(), level);
  55
  56                 const PackageList &reqs = (*i)->get_requires();
  57                 for(PackageList::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
  58                         if(find(all_reqs.begin(), all_reqs.end(), *j)==all_reqs.end())
  59                                 all_reqs.push_back(*j);
  60         }
  61
  62         build_info.update_from(pkg.get_build_info());
  63
  64         for(StringList::iterator i=build_info.incpath.begin(); i!=build_info.incpath.end(); ++i)
  65                 *i = (pkg.get_source() / *i).str();
  66         for(StringList::iterator i=build_info.libpath.begin(); i!=build_info.libpath.end(); ++i)
  67                 *i = (pkg.get_source() / *i).str();
  68
  69         if(pkg.get_library_mode()!=DYNAMIC)
  70         {
  71                 for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  72                 {
  73                         const BuildInfo &ebi = (*i)->get_exported_binfo();
  74                         build_info.libpath.insert(build_info.libpath.end(), ebi.libpath.begin(), ebi.libpath.end());
  75                 }
  76         }
  77
  78         if(type==PROGRAM)
  79         {
  80                 string strip = pkg.get_config().get_option("strip").value;
  81                 if(lexical_cast<bool>(strip))
  82                         build_info.ldflags.push_back("-s");
  83         }
  84         else if(type==LIBRARY)
  85         {
  86                 build_info.cflags.push_back("-fPIC");
  87         }
  88
  89         build_info.unique();
  90 }
  91
  92 void Component::create_targets() const
  93 {
  94         Builder &builder = pkg.get_builder();
  95         const Toolchain &toolchain = builder.get_toolchain();
  96         Target *world = builder.get_target("world");
  97         Target *def_tgt = builder.get_target("default");
  98
  99         PathList source_filenames = collect_source_files();
 100         list<Target *> inst_list;
 101
 102         string inst_loc;
 103         if(type==TARBALL)
 104         {
 105                 //const Tool &tar = toolchain.get_tool("TAR");
 106
 107                 string tarname = name;
 108                 if(name=="@src")
 109                 {
 110                         tarname = pkg.get_name()+"-"+pkg.get_version();
 111                         source_filenames.push_back(pkg.get_source()/"Build");
 112                 }
 113
 114                 list<Target *> files;
 115                 for(PathList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 116                 {
 117                         FileTarget *file = builder.get_vfs().get_target(*i);
 118                         if(!file)
 119                                 file = new File(builder, *i);
 120                         files.push_back(file);
 121                 }
 122
 123                 if(name=="@src")
 124                 {
 125                         const Builder::TargetMap &targets = builder.get_targets();
 126                         for(Builder::TargetMap::const_iterator i=targets.begin(); i!=targets.end(); ++i)
 127                                 if(i->second->get_package()==&pkg && !i->second->is_buildable())
 128                                         files.push_back(i->second);
 129                 }
 130
 131                 /* XXX The source files don't have a package at the moment, so we can't
 132                 create the tarball target until things get fixed up a bit */
 133                 /*Target *result = tar.create_target(files, tarname);
 134
 135                 Target *tarballs_tgt = builder.get_target("tarballs");
 136                 tarballs_tgt->add_depend(result);*/
 137
 138                 return;
 139         }
 140         else if(type==INSTALL)
 141         {
 142                 inst_loc = name;
 143                 for(PathList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 144                 {
 145                         FileTarget *ft;
 146                         if(Target *tgt = builder.get_vfs().get_target(*i))
 147                                 ft = dynamic_cast<FileTarget *>(tgt);
 148                         else
 149                                 ft = new File(builder, pkg, *i);
 150                         inst_list.push_back(ft);
 151                 }
 152         }
 153         else if(type==DATAFILE)
 154         {
 155                 const Tool &dcomp = toolchain.get_tool("DATA");
 156
 157                 File *source;
 158                 if(Target *tgt = builder.get_vfs().get_target(source_filenames.front()))
 159                         source = dynamic_cast<File *>(tgt);
 160                 else
 161                         source = new File(builder, pkg, source_filenames.front());
 162                 Target *result = dcomp.create_target(*source);
 163
 164                 if(&pkg==builder.get_main_package() && deflt)
 165                         def_tgt->add_depend(result);
 166                 else
 167                         world->add_depend(result);
 168                 if(install)
 169                         inst_list.push_back(result);
 170         }
 171         else
 172         {
 173                 for(PathList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 174                 {
 175                         string ext = FS::extpart(FS::basename(*i));
 176                         if(ext==".h")
 177                         {
 178                                 FileTarget *hdr = builder.get_vfs().get_target(*i);
 179                                 if(!hdr)
 180                                         hdr = new Header(builder, *this, i->str());
 181
 182                                 // Install headers if requested
 183                                 if(type==HEADERS && install)
 184                                         inst_list.push_back(hdr);
 185                         }
 186                 }
 187         }
 188
 189         if(type==PROGRAM || type==LIBRARY || type==MODULE)
 190         {
 191                 list<Target *> objs;
 192                 for(PathList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
 193                 {
 194                         string ext = FS::extpart(FS::basename(*i));
 195                         const Tool *tool = toolchain.get_tool_for_suffix(ext);
 196                         if(tool)
 197                         {
 198                                 Target *src = tool->create_source(*this, *i);
 199                                 Target *obj = tool->create_target(*src);
 200                                 objs.push_back(obj);
 201                         }
 202                 }
 203
 204                 const Tool &linker = toolchain.get_tool("LINK");
 205
 206                 list<Target *> results;
 207                 if(type==LIBRARY)
 208                 {
 209                         const Tool &archiver = toolchain.get_tool("AR");
 210                         results.push_back(linker.create_target(objs, "shared"));
 211                         results.push_back(archiver.create_target(objs));
 212                 }
 213                 else if(type==MODULE)
 214                         results.push_back(linker.create_target(objs, "shared"));
 215                 else
 216                         results.push_back(linker.create_target(objs));
 217
 218                 for(list<Target *>::const_iterator i=results.begin(); i!=results.end(); ++i)
 219                 {
 220                         if(&pkg==builder.get_main_package() && deflt)
 221                                 def_tgt->add_depend(*i);
 222                         else
 223                                 world->add_depend(*i);
 224                         if(install)
 225                                 inst_list.push_back(*i);
 226                 }
 227         }
 228
 229         Target *inst_tgt = builder.get_target("install");
 230         const Tool &copy = toolchain.get_tool("CP");
 231         for(list<Target *>::const_iterator i=inst_list.begin(); i!=inst_list.end(); ++i)
 232         {
 233                 Target *inst = copy.create_target(**i, inst_loc);
 234                 inst_tgt->add_depend(inst);
 235         }
 236 }
 237
 238 PathList Component::collect_source_files() const
 239 {
 240         PathList files;
 241         for(StringList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 242         {
 243                 FS::Path path(*i);
 244                 if(FS::is_dir(path))
 245                 {
 246                         list<string> sfiles = list_files(path);
 247                         for(list<string>::iterator j=sfiles.begin(); j!=sfiles.end(); ++j)
 248                                 files.push_back(path / *j);
 249                 }
 250                 else
 251                         files.push_back(path);
 252         }
 253
 254         return files;
 255 }
 256
 257
 258 Component::Loader::Loader(Component &c):
 259         comp(c)
 260 {
 261         add("source",          &Loader::source);
 262         add("install",         &Component::install);
 263         add("build_info",      &Loader::build_info);
 264         add("require",         &Loader::require);
 265         add("default",         &Component::deflt);
 266 }
 267
 268 void Component::Loader::finish()
 269 {
 270         if(!inst_hdr.empty())
 271         {
 272                 Component hdrcomp(comp.pkg, HEADERS, inst_hdr);
 273                 hdrcomp.sources = comp.sources;
 274                 hdrcomp.install = true;
 275                 const_cast<ComponentList &>(comp.pkg.get_components()).push_back(hdrcomp);
 276         }
 277 }
 278
 279 void Component::Loader::source(const string &s)
 280 {
 281         comp.sources.push_back(s);
 282 }
 283
 284 void Component::Loader::require(const string &n)
 285 {
 286         Package *req = comp.pkg.get_builder().get_package(n);
 287         if(req)
 288                 comp.requires.push_back(req);
 289 }
 290
 291 void Component::Loader::build_info()
 292 {
 293         load_sub(comp.build_info);
 294 }