+#include <algorithm>
#include <msp/fs/stat.h>
#include <msp/fs/utils.h>
+#include <msp/strings/format.h>
#include "builder.h"
#include "filetarget.h"
-#include "package.h"
+#include "sourcepackage.h"
#include "target.h"
#include "task.h"
#include "tool.h"
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),
+ primary_target(0)
{
- builder.add_target(this);
+ builder.get_build_graph().add_target(this);
+}
+
+void Target::add_dependency(Target &dep)
+{
+ if(&dep==this)
+ throw invalid_argument("Target::add_depend");
+ depends.push_back(&dep);
+ if(state>PREPARING)
+ dep.signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
+}
+
+void Target::add_transitive_dependency(Target &dep)
+{
+ if(&dep==this)
+ throw invalid_argument("Target::add_transitive_dependency");
+ trans_depends.push_back(&dep);
+}
+
+void Target::add_side_effect(Target &se)
+{
+ side_effects.push_back(&se);
+ if(tool)
+ se.set_tool(*tool);
+ se.primary_target = this;
+ /* Side effects are checked for rebuild after the primary target. Recheck
+ the primary if a side effect is marked for rebuild. */
+ se.signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
}
Target *Target::get_buildable_target()
{
- if(!rebuild)
+ if(primary_target)
+ return primary_target->get_buildable_target();
+ if(!needs_rebuild())
return 0;
- bool self_ok = !building;
+ bool self_ok = state!=BUILDING;
for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
{
+ // Avoid infinite recursion if a target repends on its own side effect
+ if(find(side_effects.begin(), side_effects.end(), *i)!=side_effects.end())
+ continue;
+
Target *tgt = (*i)->get_buildable_target();
if(tgt)
return tgt;
- else if((*i)->get_rebuild())
+ else if((*i)->needs_rebuild())
self_ok = false;
}
return 0;
}
-void Target::set_tool(const Tool &t)
+void Target::set_tool(Tool &t)
{
tool = &t;
+ for(Dependencies::const_iterator i=side_effects.begin(); i!=side_effects.end(); ++i)
+ (*i)->set_tool(t);
}
-void Target::add_depend(Target *dep)
+void Target::collect_build_info(BuildInfo &binfo) const
{
- if(dep==this)
- throw invalid_argument("Target::add_depend");
- depends.push_back(dep);
+ if(tool)
+ binfo.update_from(tool->get_build_info());
+ if(component)
+ binfo.update_from(component->get_build_info());
+ else if(package)
+ binfo.update_from(package->get_build_info());
+}
+
+void Target::force_rebuild()
+{
+ if(!is_buildable())
+ throw logic_error("Target::force_rebuild");
+ mark_rebuild("Forced rebuild");
+}
+
+void Target::mark_rebuild(const string &reason)
+{
+ if(reason.empty())
+ throw invalid_argument("No reason given for rebuilding "+name);
+
+ state = REBUILD;
+ rebuild_reason = reason;
+
+ builder.get_logger().log("rebuild", format("Rebuilding %s: %s", name, reason));
+
+ signal_bubble_rebuild.emit();
}
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);
+ builder.get_logger().log("problems", format("Dependency cycle detected at %s", name));
+ problems.push_back("Dependency cycle detected");
+ state = BROKEN;
return;
}
- preparing = true;
+ state = PREPARING;
+ if(tool)
+ tool->prepare();
+
+ find_dependencies();
+ bool broken = !problems.empty();
+
+ if(tool)
+ {
+ if(FileTarget *tool_exe = tool->get_executable())
+ add_dependency(*tool_exe);
+ broken |= !tool->get_problems().empty();
+
+ // Only check package and component problems for buildable targets
+ // XXX How to propagate nested package problems?
+ broken |= (package && !package->get_problems().empty());
+ broken |= (component && !component->get_problems().empty());
+ }
+
for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
+ {
+ (*i)->prepare();
+ broken |= (*i)->is_broken();
+ }
+ for(Dependencies::iterator i=trans_depends.begin(); i!=trans_depends.end(); ++i)
(*i)->prepare();
check_rebuild();
- preparing = false;
- prepared = true;
+ if(broken)
+ state = BROKEN;
+ else 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));
}
Task *Target::build()
{
- if(!buildable)
- {
- rebuild = false;
- return 0;
- }
- if(!tool)
- throw logic_error("buildable && !tool");
-
- // 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());
+ if(primary_target)
+ return primary_target->build();
Task *task = tool->run(*this);
task->signal_finished.connect(sigc::mem_fun(this, &Target::build_finished));
- building = true;
+ state = BUILDING;
- return task;
-}
+ build(*task);
+ for(Dependencies::const_iterator i=side_effects.begin(); i!=side_effects.end(); ++i)
+ (*i)->build(*task);
-void Target::mark_rebuild(const std::string &reason)
-{
- rebuild = true;
- rebuild_reason = reason;
+ return task;
}
-void Target::build_finished(bool /*success*/)
+void Target::build_finished(bool success)
{
- building = false;
- rebuild = false;
+ state = UPTODATE;
+ if(success)
+ {
+ modified();
+ for(Dependencies::const_iterator i=side_effects.begin(); i!=side_effects.end(); ++i)
+ (*i)->build_finished(success);
+ signal_modified.emit();
+ }
}
projects / builder.git / blobdiff