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