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         comp(c),
  15         source(s)
  16 {
  17         add_depend(&source);
  18 }
  19
  20 void ObjectFile::find_depends()
  21 {
  22         for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
  23         {
  24                 (*i)->prepare();
  25                 find_depends(dynamic_cast<FileTarget *>(*i));
  26         }
  27 }
  28
  29
  30 void ObjectFile::find_depends(FileTarget *tgt)
  31 {
  32         FileTarget *rtgt = dynamic_cast<FileTarget *>(tgt->get_real_target());
  33         const Dependencies &tdeps = rtgt->get_depends();
  34         Dependencies deps_to_add;
  35         if(rtgt==tgt)
  36         {
  37                 /* We are using the target from its original location, so dependencies
  38                 apply directly */
  39                 deps_to_add = tdeps;
  40         }
  41         else
  42         {
  43                 /* The target has been displaced by installing it.  Displace any
  44                 dependencies that come from the same package as well. */
  45                 const SourcePackage *tpkg = rtgt->get_package();
  46                 for(Dependencies::const_iterator i=tdeps.begin(); i!=tdeps.end(); ++i)
  47                 {
  48                         FileTarget *file = dynamic_cast<FileTarget *>(*i);
  49                         if(file && file->get_package()==tpkg && FS::descendant_depth(file->get_path(), tpkg->get_source())>=0)
  50                         {
  51                                 FS::Path displaced = tgt->get_path()/FS::relative(file->get_path(), rtgt->get_path());
  52                                 if(Target *ddep = builder.get_vfs().get_target(displaced))
  53                                         deps_to_add.push_back(ddep);
  54                         }
  55                         else
  56                                 deps_to_add.push_back(*i);
  57                 }
  58         }
  59
  60         for(Dependencies::const_iterator i=deps_to_add.begin(); i!=deps_to_add.end(); ++i)
  61                 if(find(depends.begin(), depends.end(), *i)==depends.end())
  62                         add_depend(*i);
  63 }
  64
  65 FS::Path ObjectFile::generate_target_path(const Component &comp, const string &src)
  66 {
  67         const SourcePackage &pkg = comp.get_package();
  68         string fn = FS::basepart(src)+".o";
  69         if(!fn.compare(0, 2, "./"))
  70                 fn.erase(0, 2);
  71         for(string::iterator i=fn.begin(); i!=fn.end(); ++i)
  72                 if(*i=='/')
  73                         *i = '_';
  74         return pkg.get_temp_dir()/comp.get_name()/fn;
  75 }