source/objectfile.cpp

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