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: required_pkgs)
  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         string build_macro = toupper(name)+"_BUILD";
  31         for(char &c: build_macro)
  32                 if(!isalnum(static_cast<unsigned char>(c)))
  33                         c = '_';
  34         final_build_info.defines[build_macro] = "1";
  35
  36         const Package::Requirements &pkg_reqs = package.get_required_packages();
  37         Package::Requirements direct_reqs = required_pkgs;
  38         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  39         for(Package *r: direct_reqs)
  40                 final_build_info.update_from(r->get_exported_build_info(), BuildInfo::DEPENDENCY);
  41
  42         Package::Requirements all_reqs = direct_reqs;
  43         deque<Package *> queue(direct_reqs.begin(), direct_reqs.end());
  44         while(!queue.empty())
  45         {
  46                 Package *req = queue.front();
  47                 queue.pop_front();
  48
  49                 for(Package *r: req->get_required_packages())
  50                         if(!any_equals(all_reqs, r))
  51                         {
  52                                 final_build_info.update_from(r->get_exported_build_info(), BuildInfo::CHAINED);
  53                                 all_reqs.push_back(r);
  54                                 queue.push_back(r);
  55                         }
  56         }
  57
  58         final_build_info.update_from(package.get_build_info());
  59         final_build_info.update_from(build_info);
  60         build_info = final_build_info;
  61
  62         for(FS::Path &p: build_info.incpath)
  63                 p = (package.get_source_directory()/p).str();
  64         for(FS::Path &p: build_info.libpath)
  65                 p = (package.get_source_directory()/p).str();
  66 }
  67
  68 BuildInfo Component::get_build_info_for_path(const FS::Path &path) const
  69 {
  70         // XXX Cache these and check that the directories actually exist before adding them
  71         BuildInfo binfo = build_info;
  72
  73         FS::Path gen_dir = package.get_temp_directory()/"generated";
  74         if(FS::descendant_depth(path, gen_dir)>=0)
  75         {
  76                 FS::Path subdir = FS::dirname(FS::relative(path, gen_dir));
  77                 binfo.local_incpath.push_back(package.get_source_directory()/subdir);
  78         }
  79         else
  80         {
  81                 FS::Path subdir = FS::dirname(FS::relative(path, package.get_source_directory()));
  82                 binfo.local_incpath.push_back(gen_dir/subdir);
  83         }
  84
  85         if(!overlays.empty())
  86         {
  87                 FS::Path dir = FS::dirname(path);
  88                 string last = FS::basename(dir);
  89                 if(any_equals(overlays, last))
  90                         dir = FS::dirname(dir);
  91
  92                 if(any_equals(sources, dir))
  93                 {
  94                         binfo.local_incpath.push_back(dir);
  95                         for(const string &o: overlays)
  96                                 binfo.local_incpath.push_back(dir/o);
  97                 }
  98         }
  99         return binfo;
 100 }
 101
 102 vector<FS::Path> Component::collect_source_files() const
 103 {
 104         vector<FS::Path> files;
 105         for(const FS::Path &p: sources)
 106         {
 107                 if(FS::is_dir(p))
 108                 {
 109                         vector<FS::Path> dirs;
 110                         dirs.reserve(1+overlays.size());
 111                         dirs.push_back(p);
 112                         for(const string &o: overlays)
 113                         {
 114                                 FS::Path opath = p/o;
 115                                 if(FS::is_dir(opath))
 116                                         dirs.push_back(opath);
 117                         }
 118                         set<string> overlay_files;
 119                         for(auto j=dirs.begin(); j!=dirs.end(); ++j)
 120                         {
 121                                 package.get_builder().get_logger().log("files", "Traversing %s", *j);
 122                                 for(const string &f: list_files(*j))
 123                                 {
 124                                         if(j!=dirs.begin())
 125                                         {
 126                                                 if(overlay_files.count(f))
 127                                                         continue;
 128                                                 overlay_files.insert(f);
 129                                         }
 130                                         FS::Path fn = *j/f;
 131                                         if(!FS::is_dir(fn))
 132                                                 files.push_back(fn);
 133                                 }
 134                         }
 135                 }
 136                 else
 137                 {
 138                         files.push_back(p);
 139                         for(const string &o: overlays)
 140                         {
 141                                 FS::Path opath = FS::dirname(p)/o/FS::basename(p);
 142                                 if(FS::is_reg(opath))
 143                                         files.push_back(opath);
 144                         }
 145                 }
 146         }
 147
 148         return files;
 149 }
 150
 151
 152 Component::Loader::Loader(Component &c):
 153         DataFile::ObjectLoader<Component>(c),
 154         ConditionalLoader(c.package, format("%s/%s", c.package.get_name(), c.name))
 155 {
 156         add("overlay",         &Loader::overlay);
 157         add("source",          &Loader::source);
 158         add("install",         &Component::install);
 159         add("install_map",     &Loader::install_map);
 160         add("build_info",      &Loader::build_info);
 161         add("require",         &Loader::require);
 162         add("default",         &Component::deflt);
 163 }
 164
 165 void Component::Loader::build_info()
 166 {
 167         load_sub(obj.build_info);
 168 }
 169
 170 void Component::Loader::install_map()
 171 {
 172         load_sub(obj.install_map, obj.package.get_source_directory());
 173 }
 174
 175 void Component::Loader::overlay(const string &o)
 176 {
 177         obj.overlays.push_back(o);
 178 }
 179
 180 void Component::Loader::require(const string &n)
 181 {
 182         Package *req = obj.package.get_builder().get_package_manager().find_package(n);
 183         if(req)
 184                 obj.required_pkgs.push_back(req);
 185         else
 186                 obj.problems.push_back(format("Required package %s not found", n));
 187 }
 188
 189 void Component::Loader::source(const string &s)
 190 {
 191         FS::Path src_path = obj.package.get_source_directory()/s;
 192         if(!FS::exists(src_path))
 193                 throw IO::file_not_found(src_path.str());
 194         obj.sources.push_back(src_path);
 195 }