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=new_deps.begin(); i!=new_deps.end();)
  23         {
  24                 Target *tgt = *i;
  25                 if(tgt->get_depends_ready())
  26                 {
  27                         i = new_deps.erase(i);
  28                         find_depends(dynamic_cast<FileTarget *>(tgt));
  29                 }
  30                 else
  31                         ++i;
  32         }
  33
  34         deps_ready = new_deps.empty();
  35 }
  36
  37
  38 void ObjectFile::find_depends(FileTarget *tgt)
  39 {
  40         FileTarget *rtgt = dynamic_cast<FileTarget *>(tgt->get_real_target());
  41         const Dependencies &tdeps = rtgt->get_depends();
  42         Dependencies deps_to_add;
  43         if(rtgt==tgt)
  44         {
  45                 /* We are using the target from its original location, so dependencies
  46                 apply directly */
  47                 deps_to_add = tdeps;
  48         }
  49         else
  50         {
  51                 /* The target has been displaced by installing it.  Displace any
  52                 dependencies that come from the same package as well. */
  53                 const SourcePackage *tpkg = dynamic_cast<const SourcePackage *>(rtgt->get_package());
  54                 for(Dependencies::const_iterator i=tdeps.begin(); i!=tdeps.end(); ++i)
  55                 {
  56                         FileTarget *file = dynamic_cast<FileTarget *>(*i);
  57                         if(file && file->get_package()==tpkg && FS::descendant_depth(file->get_path(), tpkg->get_source())>=0)
  58                         {
  59                                 FS::Path displaced = tgt->get_path()/FS::relative(file->get_path(), rtgt->get_path());
  60                                 if(Target *ddep = builder.get_vfs().get_target(displaced))
  61                                         deps_to_add.push_back(ddep);
  62                         }
  63                         else
  64                                 deps_to_add.push_back(*i);
  65                 }
  66         }
  67
  68         for(Dependencies::const_iterator i=deps_to_add.begin(); i!=deps_to_add.end(); ++i)
  69                 if(find(depends.begin(), depends.end(), *i)==depends.end())
  70                         add_depend(*i);
  71 }
  72
  73 void ObjectFile::add_depend(Target *tgt)
  74 {
  75         Target::add_depend(tgt);
  76         new_deps.push_back(tgt);
  77 }
  78
  79 FS::Path ObjectFile::generate_target_path(const Component &comp, const string &src)
  80 {
  81         const SourcePackage &pkg = comp.get_package();
  82         string fn = FS::basepart(src)+".o";
  83         if(!fn.compare(0, 2, "./"))
  84                 fn.erase(0, 2);
  85         for(string::iterator i=fn.begin(); i!=fn.end(); ++i)
  86                 if(*i=='/')
  87                         *i = '_';
  88         return pkg.get_temp_dir()/comp.get_name()/fn;
  89 }