Refactor transitive dependencies to work on all targets

[builder.git] / source / target.cpp

diff --git a/source/target.cpp b/source/target.cpp
deleted file mode 100644 (file)
index e8ed647..0000000
--- a/source/target.cpp
+++ /dev/null
@@ -1,151 +0,0 @@
-#include <msp/path/utils.h>
-#include <msp/time/utils.h>
-#include "action.h"
-#include "builder.h"
-#include "package.h"
-#include "target.h"
-
-using namespace std;
-using namespace Msp;
-
-/**
-Tries to locate a target that will help getting this target built.  If all
-dependencies are up-to-date, returns this target.  If there are no targets
-ready to be built (maybe because they are being built right now), returns 0.
-*/
-Target *Target::get_buildable_target()
-{
-       if(!rebuild)
-               return 0;
-
-       bool self_ok=!building;
-       for(TargetList::iterator i=depends.begin(); i!=depends.end(); ++i)
-       {
-               Target *tgt=(*i)->get_buildable_target();
-               if(tgt)
-                       return tgt;
-               else if((*i)->get_rebuild())
-                       self_ok=false;
-       }
-
-       if(self_ok)
-               return this;
-
-       return 0;
-}
-
-void Target::add_depend(Target *dep)
-{
-       depends.push_back(dep);
-       dep->rdepends.push_back(this);
-}
-
-/**
-Prepares the target by recursively preparing dependencies, then checking
-whether rebuilding is needed.  A flag is used to prevent unnecessary
-executions.
-*/
-void Target::prepare()
-{
-       if(prepared)
-               return;
-
-       prepared=true;
-       for(TargetList::iterator i=depends.begin(); i!=depends.end(); ++i)
-               (*i)->prepare();
-
-       check_rebuild();
-
-}
-
-/**
-Returns the number of targets that need to be rebuilt in order to get this
-target up-to-date.
-*/
-unsigned Target::count_rebuild()
-{
-       if(counted)
-               return 0;
-
-       counted=true;
-       unsigned count=rebuild;
-       for(TargetList::iterator i=depends.begin(); i!=depends.end(); ++i)
-               count+=(*i)->count_rebuild();
-       return count;
-}
-
-/**
-Changes the mtime of the target to the current time.
-*/
-void Target::touch()
-{
-       mtime=Time::now();
-}
-
-Target::Target(Builder &b, const Package *p, const string &n):
-       builder(b),
-       package(p),
-       name(n),
-       buildable(false),
-       building(false),
-       rebuild(false),
-       deps_ready(false),
-       prepared(false),
-       counted(false)
-{
-       struct stat st;
-       if(!Path::stat(name, st))
-               mtime=Time::TimeStamp::from_unixtime(st.st_mtime);
-}
-
-void Target::mark_rebuild(const std::string &reason)
-{
-       rebuild=true;
-       rebuild_reason=reason;
-}
-
-/**
-Checks if this target needs to be rebuilt and why.
-*/
-void Target::check_rebuild()
-{
-       if(!buildable)
-               return;
-
-       if(builder.get_build_all())
-               mark_rebuild("Rebuilding everything");
-       else if(!mtime)
-               mark_rebuild("Does not exist");
-       else
-       {
-               for(TargetList::iterator i=depends.begin(); (i!=depends.end() && !rebuild); ++i)
-               {
-                       if((*i)->get_mtime()>mtime)
-                               mark_rebuild(Path::basename((*i)->get_name())+" has changed");
-                       else if((*i)->get_rebuild())
-                               mark_rebuild(Path::basename((*i)->get_name())+" needs rebuilding");
-               }
-       }
-       if(!rebuild && package && package->get_config().get_mtime()>mtime)
-               mark_rebuild("Package options changed");
-}
-
-/**
-Hooks the target up with the given action, then returns it.  This should be
-called from the public build() function of buildable targets.
-*/
-Action *Target::build(Action *action)
-{
-       building=true;
-       action->signal_done.connect(sigc::mem_fun(this, &Target::build_done));
-       return action;
-}
-
-/**
-Handles for the build_done signal of Action.
-*/
-void Target::build_done()
-{
-       building=false;
-       rebuild=false;
-}