using namespace std;
using namespace Msp;
-Target::Target(Builder &b, const Package *p, const string &n):
+Target::Target(Builder &b, const string &n):
builder(b),
- package(p),
+ package(0),
+ component(0),
name(n),
tool(0),
- buildable(false),
- building(false),
- rebuild(false),
- deps_ready(false),
- preparing(false),
- prepared(false)
+ state(INIT)
{
builder.add_target(this);
}
Target *Target::get_buildable_target()
{
- if(!rebuild)
+ if(!needs_rebuild())
return 0;
- bool self_ok = !building;
- for(TargetList::iterator i=depends.begin(); i!=depends.end(); ++i)
+ bool self_ok = state!=BUILDING;
+ for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
{
Target *tgt = (*i)->get_buildable_target();
if(tgt)
return tgt;
- else if((*i)->get_rebuild())
+ else if((*i)->needs_rebuild())
self_ok = false;
}
tool = &t;
}
+void Target::force_rebuild()
+{
+ if(!is_buildable())
+ throw logic_error("Target::force_rebuild");
+ mark_rebuild("Forced rebuild");
+}
+
void Target::add_depend(Target *dep)
{
if(dep==this)
throw invalid_argument("Target::add_depend");
depends.push_back(dep);
+ dep->signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
}
void Target::prepare()
{
- if(prepared)
+ if(state>PREPARING)
return;
- if(preparing)
+ if(state==PREPARING)
{
builder.problem((package ? package->get_name() : string()), "Dependency cycle detected at "+name);
return;
}
- preparing = true;
- for(TargetList::iterator i=depends.begin(); i!=depends.end(); ++i)
+ state = PREPARING;
+ find_depends();
+
+ for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
(*i)->prepare();
check_rebuild();
- preparing = false;
- prepared = true;
+ if(state==PREPARING)
+ state = UPTODATE;
}
Task *Target::build()
{
- if(!buildable)
+ if(!tool)
{
- rebuild = false;
+ state = UPTODATE;
return 0;
}
- if(!tool)
- throw logic_error("buildable && !tool");
// XXX Minor breach of OO here
if(FileTarget *ft = dynamic_cast<FileTarget *>(this))
Task *task = tool->run(*this);
task->signal_finished.connect(sigc::mem_fun(this, &Target::build_finished));
- building = true;
+ state = BUILDING;
return task;
}
void Target::mark_rebuild(const std::string &reason)
{
- rebuild = true;
+ if(reason.empty())
+ throw invalid_argument("No reason given for rebuilding "+name);
+
+ state = REBUILD;
rebuild_reason = reason;
+ signal_bubble_rebuild.emit();
}
void Target::build_finished(bool /*success*/)
{
- building = false;
- rebuild = false;
+ state = UPTODATE;
}