source/lib/component.cpp

   1 #include <deque>
   2 #include <msp/core/algorithm.h>
   3 #include <msp/fs/dir.h>
   4 #include <msp/fs/stat.h>
   5 #include <msp/fs/utils.h>
   6 #include <msp/strings/format.h>
   7 #include "builder.h"
   8 #include "component.h"
   9 #include "sourcepackage.h"
  10
  11 using namespace std;
  12 using namespace Msp;
  13
  14 void Component::prepare()
  15 {
  16         for(Package *r: requires)
  17         {
  18                 r->prepare();
  19                 broken |= r->is_broken();
  20         }
  21
  22         if(!problems.empty())
  23                 broken = true;
  24 }
  25
  26 void Component::create_build_info()
  27 {
  28         BuildInfo final_build_info;
  29
  30         const Package::Requirements &pkg_reqs = package.get_required_packages();
  31         Package::Requirements direct_reqs = requires;
  32         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  33         for(Package *r: direct_reqs)
  34                 final_build_info.update_from(r->get_exported_build_info(), BuildInfo::DEPENDENCY);
  35
  36         Package::Requirements all_reqs = direct_reqs;
  37         deque<Package *> queue(direct_reqs.begin(), direct_reqs.end());
  38         while(!queue.empty())
  39         {
  40                 Package *req = queue.front();
  41                 queue.pop_front();
  42
  43                 for(Package *r: req->get_required_packages())
  44                         if(!any_equals(all_reqs, r))
  45                         {
  46                                 final_build_info.update_from(r->get_exported_build_info(), BuildInfo::CHAINED);
  47                                 all_reqs.push_back(r);
  48                                 queue.push_back(r);
  49                         }
  50         }
  51
  52         final_build_info.update_from(package.get_build_info());
  53         final_build_info.update_from(build_info);
  54         build_info = final_build_info;
  55
  56         for(FS::Path &p: build_info.incpath)
  57                 p = (package.get_source_directory()/p).str();
  58         for(FS::Path &p: build_info.libpath)
  59                 p = (package.get_source_directory()/p).str();
  60 }
  61
  62 BuildInfo Component::get_build_info_for_path(const FS::Path &path) const
  63 {
  64         // XXX Cache these and check that the directories actually exist before adding them
  65         BuildInfo binfo = build_info;
  66
  67         FS::Path gen_dir = package.get_temp_directory()/"generated";
  68         if(FS::descendant_depth(path, gen_dir)>=0)
  69         {
  70                 FS::Path subdir = FS::dirname(FS::relative(path, gen_dir));
  71                 binfo.local_incpath.push_back(package.get_source_directory()/subdir);
  72         }
  73         else
  74         {
  75                 FS::Path subdir = FS::dirname(FS::relative(path, package.get_source_directory()));
  76                 binfo.local_incpath.push_back(gen_dir/subdir);
  77         }
  78
  79         if(!overlays.empty())
  80         {
  81                 FS::Path dir = FS::dirname(path);
  82                 string last = FS::basename(dir);
  83                 if(any_equals(overlays, last))
  84                         dir = FS::dirname(dir);
  85
  86                 if(any_equals(sources, dir))
  87                 {
  88                         binfo.local_incpath.push_back(dir);
  89                         for(const string &o: overlays)
  90                                 binfo.local_incpath.push_back(dir/o);
  91                 }
  92         }
  93         return binfo;
  94 }
  95
  96 vector<FS::Path> Component::collect_source_files() const
  97 {
  98         vector<FS::Path> files;
  99         for(const FS::Path &p: sources)
 100         {
 101                 if(FS::is_dir(p))
 102                 {
 103                         vector<FS::Path> dirs;
 104                         dirs.reserve(1+overlays.size());
 105                         dirs.push_back(p);
 106                         for(const string &o: overlays)
 107                         {
 108                                 FS::Path opath = p/o;
 109                                 if(FS::is_dir(opath))
 110                                         dirs.push_back(opath);
 111                         }
 112                         set<string> overlay_files;
 113                         for(auto j=dirs.begin(); j!=dirs.end(); ++j)
 114                         {
 115                                 package.get_builder().get_logger().log("files", "Traversing %s", *j);
 116                                 for(const string &f: list_files(*j))
 117                                 {
 118                                         if(j!=dirs.begin())
 119                                         {
 120                                                 if(overlay_files.count(f))
 121                                                         continue;
 122                                                 overlay_files.insert(f);
 123                                         }
 124                                         FS::Path fn = *j/f;
 125                                         if(!FS::is_dir(fn))
 126                                                 files.push_back(fn);
 127                                 }
 128                         }
 129                 }
 130                 else
 131                 {
 132                         files.push_back(p);
 133                         for(const string &o: overlays)
 134                         {
 135                                 FS::Path opath = FS::dirname(p)/o/FS::basename(p);
 136                                 if(FS::is_reg(opath))
 137                                         files.push_back(opath);
 138                         }
 139                 }
 140         }
 141
 142         return files;
 143 }
 144
 145
 146 Component::Loader::Loader(Component &c):
 147         DataFile::ObjectLoader<Component>(c),
 148         ConditionalLoader(c.package, format("%s/%s", c.package.get_name(), c.name))
 149 {
 150         add("overlay",         &Loader::overlay);
 151         add("source",          &Loader::source);
 152         add("install",         &Component::install);
 153         add("install_map",     &Loader::install_map);
 154         add("build_info",      &Loader::build_info);
 155         add("require",         &Loader::require);
 156         add("default",         &Component::deflt);
 157 }
 158
 159 void Component::Loader::build_info()
 160 {
 161         load_sub(obj.build_info);
 162 }
 163
 164 void Component::Loader::install_map()
 165 {
 166         load_sub(obj.install_map, obj.package.get_source_directory());
 167 }
 168
 169 void Component::Loader::overlay(const string &o)
 170 {
 171         obj.overlays.push_back(o);
 172 }
 173
 174 void Component::Loader::require(const string &n)
 175 {
 176         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 177         if(req)
 178                 obj.requires.push_back(req);
 179         else
 180                 obj.problems.push_back(format("Required package %s not found", n));
 181 }
 182
 183 void Component::Loader::source(const string &s)
 184 {
 185         FS::Path src_path = obj.package.get_source_directory()/s;
 186         if(!FS::exists(src_path))
 187                 throw IO::file_not_found(src_path.str());
 188         obj.sources.push_back(src_path);
 189 }