-#include <msp/path/utils.h>
-#include <msp/time/utils.h>
-#include "action.h"
+#include <msp/fs/stat.h>
+#include <msp/fs/utils.h>
+#include <msp/strings/format.h>
#include "builder.h"
-#include "package.h"
+#include "filetarget.h"
+#include "sourcepackage.h"
#include "target.h"
+#include "task.h"
+#include "tool.h"
using namespace std;
using namespace Msp;
+Target::Target(Builder &b, const string &n):
+ builder(b),
+ package(0),
+ component(0),
+ name(n),
+ tool(0),
+ state(INIT)
+{
+ builder.add_target(this);
+}
+
Target *Target::get_buildable_target()
{
- bool self_ok=true;
- for(list<Target *>::iterator i=depends.begin(); i!=depends.end(); ++i)
+ if(!needs_rebuild())
+ return 0;
+
+ bool self_ok = state!=BUILDING;
+ for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
{
- Target *tgt=(*i)->get_buildable_target();
+ Target *tgt = (*i)->get_buildable_target();
if(tgt)
return tgt;
- else if((*i)->get_rebuild())
- self_ok=false;
+ else if((*i)->needs_rebuild())
+ self_ok = false;
}
- if(self_ok && rebuild && !building)
+ if(self_ok)
return this;
return 0;
}
+void Target::set_tool(const Tool &t)
+{
+ 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->rdepends.push_back(this);
+ if(state>PREPARING)
+ dep->signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
}
void Target::prepare()
{
- if(prepared)
+ if(state>PREPARING)
return;
+ if(state==PREPARING)
+ {
+ builder.problem((package ? package->get_name() : string()), "Dependency cycle detected at "+name);
+ return;
+ }
- for(list<Target *>::iterator i=depends.begin(); i!=depends.end(); ++i)
+ state = PREPARING;
+ find_depends();
+ if(tool)
+ {
+ if(FileTarget *tool_exe = tool->get_executable())
+ add_depend(tool_exe);
+ }
+
+ for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
(*i)->prepare();
check_rebuild();
+ if(state==PREPARING)
+ state = UPTODATE;
+
+ for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
+ (*i)->signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
}
-unsigned Target::count_rebuild()
+Task *Target::build()
{
- if(counted)
+ if(!tool)
+ {
+ state = UPTODATE;
return 0;
+ }
- counted=true;
- unsigned count=rebuild;
- for(list<Target *>::iterator i=depends.begin(); i!=depends.end(); ++i)
- count+=(*i)->count_rebuild();
- return count;
-}
+ // XXX Minor breach of OO here
+ if(FileTarget *ft = dynamic_cast<FileTarget *>(this))
+ if(!builder.get_dry_run() && FS::exists(ft->get_path()))
+ FS::unlink(ft->get_path());
-void Target::touch()
-{
- mtime=Time::now();
-}
+ Task *task = tool->run(*this);
+ task->signal_finished.connect(sigc::mem_fun(this, &Target::build_finished));
+ state = BUILDING;
-Target::Target(Builder &b, const Package *p, const string &n):
- builder(b),
- package(p),
- name(n),
- building(false),
- rebuild(false),
- prepared(false),
- buildable(false),
- counted(false)
-{
- struct stat st;
- if(!Path::stat(name, st))
- mtime=Time::TimeStamp::from_unixtime(st.st_mtime);
+ return task;
}
-void Target::mark_rebuild(const std::string &reason)
+void Target::mark_rebuild(const string &reason)
{
- rebuild=true;
- rebuild_reason=reason;
-}
+ if(reason.empty())
+ throw invalid_argument("No reason given for rebuilding "+name);
-void Target::check_rebuild()
-{
- if(!buildable)
- return;
+ state = REBUILD;
+ rebuild_reason = reason;
- if(!mtime)
- mark_rebuild("Does not exist");
- else
- {
- for(list<Target *>::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");
-}
+ builder.get_logger().log("rebuild", format("Rebuilding %s: %s", name, reason));
-Action *Target::build(Action *action)
-{
- building=true;
- action->signal_done.connect(sigc::mem_fun(this, &Target::build_done));
- return action;
+ signal_bubble_rebuild.emit();
}
-void Target::build_done()
+void Target::build_finished(bool /*success*/)
{
- building=false;
- rebuild=false;
+ state = UPTODATE;
}