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