source/objectfile.cpp

   1 #include <algorithm>
   2 #include <msp/fs/utils.h>
   3 #include "builder.h"
   4 #include "component.h"
   5 #include "install.h"
   6 #include "objectfile.h"
   7 #include "sourcefile.h"
   8 #include "sourcepackage.h"
   9
  10 using namespace std;
  11 using namespace Msp;
  12
  13 ObjectFile::ObjectFile(Builder &b, const Component &c, SourceFile &s):
  14         FileTarget(b, &c.get_package(), generate_target_path(c, FS::relative(s.get_path(), c.get_package().get_source()).str())),
  15         comp(c),
  16         source(s)
  17 {
  18         buildable = true;
  19         add_depend(&source);
  20 }
  21
  22 void ObjectFile::find_depends()
  23 {
  24         for(Dependencies::iterator i=new_deps.begin(); i!=new_deps.end();)
  25         {
  26                 Target *tgt = *i;
  27                 if(tgt->get_depends_ready())
  28                 {
  29                         i = new_deps.erase(i);
  30                         find_depends(dynamic_cast<FileTarget *>(tgt));
  31                 }
  32                 else
  33                         ++i;
  34         }
  35
  36         deps_ready = new_deps.empty();
  37 }
  38
  39
  40 void ObjectFile::find_depends(FileTarget *tgt)
  41 {
  42         Target *rtgt = tgt->get_real_target();
  43         const Dependencies &tdeps = rtgt->get_depends();
  44         Dependencies deps_to_add;
  45         if(rtgt==tgt)
  46         {
  47                 /* We are using the target from its original location, so dependencies
  48                 apply directly */
  49                 deps_to_add = tdeps;
  50         }
  51         else
  52         {
  53                 /* The target has been displaced by installing it.  Displace any
  54                 dependencies that come from the same package as well. */
  55                 const SourcePackage *tpkg = dynamic_cast<const SourcePackage *>(rtgt->get_package());
  56                 for(Dependencies::const_iterator i=tdeps.begin(); i!=tdeps.end(); ++i)
  57                 {
  58                         FileTarget *file = dynamic_cast<FileTarget *>(*i);
  59                         if(file && file->get_package()==tpkg && FS::descendant_depth(file->get_path(), tpkg->get_source())>=0)
  60                         {
  61                                 FS::Path displaced = tgt->get_path()/FS::relative(file->get_path(), rtgt->get_path());
  62                                 if(Target *ddep = builder.get_vfs().get_target(displaced))
  63                                         deps_to_add.push_back(ddep);
  64                         }
  65                         else
  66                                 deps_to_add.push_back(*i);
  67                 }
  68         }
  69
  70         for(Dependencies::const_iterator i=deps_to_add.begin(); i!=deps_to_add.end(); ++i)
  71                 if(find(depends.begin(), depends.end(), *i)==depends.end())
  72                         add_depend(*i);
  73 }
  74
  75 void ObjectFile::add_depend(Target *tgt)
  76 {
  77         Target::add_depend(tgt);
  78         new_deps.push_back(tgt);
  79 }
  80
  81 FS::Path ObjectFile::generate_target_path(const Component &comp, const string &src)
  82 {
  83         const SourcePackage &pkg = comp.get_package();
  84         string fn = FS::basepart(src)+".o";
  85         if(!fn.compare(0, 2, "./"))
  86                 fn.erase(0, 2);
  87         for(string::iterator i=fn.begin(); i!=fn.end(); ++i)
  88                 if(*i=='/')
  89                         *i = '_';
  90         return pkg.get_temp_dir()/comp.get_name()/fn;
  91 }