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 <msp/strings/utils.h>
   8 #include "builder.h"
   9 #include "component.h"
  10 #include "sourcepackage.h"
  11
  12 using namespace std;
  13 using namespace Msp;
  14
  15 void Component::prepare()
  16 {
  17         for(Package *r: requires)
  18         {
  19                 r->prepare();
  20                 broken |= r->is_broken();
  21         }
  22
  23         if(!problems.empty())
  24                 broken = true;
  25 }
  26
  27 void Component::create_build_info()
  28 {
  29         BuildInfo final_build_info;
  30         final_build_info.defines[toupper(name)+"_BUILD"] = "1";
  31
  32         const Package::Requirements &pkg_reqs = package.get_required_packages();
  33         Package::Requirements direct_reqs = requires;
  34         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  35         for(Package *r: direct_reqs)
  36                 final_build_info.update_from(r->get_exported_build_info(), BuildInfo::DEPENDENCY);
  37
  38         Package::Requirements all_reqs = direct_reqs;
  39         deque<Package *> queue(direct_reqs.begin(), direct_reqs.end());
  40         while(!queue.empty())
  41         {
  42                 Package *req = queue.front();
  43                 queue.pop_front();
  44
  45                 for(Package *r: req->get_required_packages())
  46                         if(!any_equals(all_reqs, r))
  47                         {
  48                                 final_build_info.update_from(r->get_exported_build_info(), BuildInfo::CHAINED);
  49                                 all_reqs.push_back(r);
  50                                 queue.push_back(r);
  51                         }
  52         }
  53
  54         final_build_info.update_from(package.get_build_info());
  55         final_build_info.update_from(build_info);
  56         build_info = final_build_info;
  57
  58         for(FS::Path &p: build_info.incpath)
  59                 p = (package.get_source_directory()/p).str();
  60         for(FS::Path &p: build_info.libpath)
  61                 p = (package.get_source_directory()/p).str();
  62 }
  63
  64 BuildInfo Component::get_build_info_for_path(const FS::Path &path) const
  65 {
  66         // XXX Cache these and check that the directories actually exist before adding them
  67         BuildInfo binfo = build_info;
  68
  69         FS::Path gen_dir = package.get_temp_directory()/"generated";
  70         if(FS::descendant_depth(path, gen_dir)>=0)
  71         {
  72                 FS::Path subdir = FS::dirname(FS::relative(path, gen_dir));
  73                 binfo.local_incpath.push_back(package.get_source_directory()/subdir);
  74         }
  75         else
  76         {
  77                 FS::Path subdir = FS::dirname(FS::relative(path, package.get_source_directory()));
  78                 binfo.local_incpath.push_back(gen_dir/subdir);
  79         }
  80
  81         if(!overlays.empty())
  82         {
  83                 FS::Path dir = FS::dirname(path);
  84                 string last = FS::basename(dir);
  85                 if(any_equals(overlays, last))
  86                         dir = FS::dirname(dir);
  87
  88                 if(any_equals(sources, dir))
  89                 {
  90                         binfo.local_incpath.push_back(dir);
  91                         for(const string &o: overlays)
  92                                 binfo.local_incpath.push_back(dir/o);
  93                 }
  94         }
  95         return binfo;
  96 }
  97
  98 vector<FS::Path> Component::collect_source_files() const
  99 {
 100         vector<FS::Path> files;
 101         for(const FS::Path &p: sources)
 102         {
 103                 if(FS::is_dir(p))
 104                 {
 105                         vector<FS::Path> dirs;
 106                         dirs.reserve(1+overlays.size());
 107                         dirs.push_back(p);
 108                         for(const string &o: overlays)
 109                         {
 110                                 FS::Path opath = p/o;
 111                                 if(FS::is_dir(opath))
 112                                         dirs.push_back(opath);
 113                         }
 114                         set<string> overlay_files;
 115                         for(auto j=dirs.begin(); j!=dirs.end(); ++j)
 116                         {
 117                                 package.get_builder().get_logger().log("files", "Traversing %s", *j);
 118                                 for(const string &f: list_files(*j))
 119                                 {
 120                                         if(j!=dirs.begin())
 121                                         {
 122                                                 if(overlay_files.count(f))
 123                                                         continue;
 124                                                 overlay_files.insert(f);
 125                                         }
 126                                         FS::Path fn = *j/f;
 127                                         if(!FS::is_dir(fn))
 128                                                 files.push_back(fn);
 129                                 }
 130                         }
 131                 }
 132                 else
 133                 {
 134                         files.push_back(p);
 135                         for(const string &o: overlays)
 136                         {
 137                                 FS::Path opath = FS::dirname(p)/o/FS::basename(p);
 138                                 if(FS::is_reg(opath))
 139                                         files.push_back(opath);
 140                         }
 141                 }
 142         }
 143
 144         return files;
 145 }
 146
 147
 148 Component::Loader::Loader(Component &c):
 149         DataFile::ObjectLoader<Component>(c),
 150         ConditionalLoader(c.package, format("%s/%s", c.package.get_name(), c.name))
 151 {
 152         add("overlay",         &Loader::overlay);
 153         add("source",          &Loader::source);
 154         add("install",         &Component::install);
 155         add("install_map",     &Loader::install_map);
 156         add("build_info",      &Loader::build_info);
 157         add("require",         &Loader::require);
 158         add("default",         &Component::deflt);
 159 }
 160
 161 void Component::Loader::build_info()
 162 {
 163         load_sub(obj.build_info);
 164 }
 165
 166 void Component::Loader::install_map()
 167 {
 168         load_sub(obj.install_map, obj.package.get_source_directory());
 169 }
 170
 171 void Component::Loader::overlay(const string &o)
 172 {
 173         obj.overlays.push_back(o);
 174 }
 175
 176 void Component::Loader::require(const string &n)
 177 {
 178         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 179         if(req)
 180                 obj.requires.push_back(req);
 181         else
 182                 obj.problems.push_back(format("Required package %s not found", n));
 183 }
 184
 185 void Component::Loader::source(const string &s)
 186 {
 187         FS::Path src_path = obj.package.get_source_directory()/s;
 188         if(!FS::exists(src_path))
 189                 throw IO::file_not_found(src_path.str());
 190         obj.sources.push_back(src_path);
 191 }