X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftarget.cpp;h=cd4cf36370b252ca55ca6a954a1d51b5c1c10dd9;hb=5cfcbc7507b14df81018f734ae47f92b231b10d2;hp=6653c11fb0b90e0e3e916a63b7a74548c259daab;hpb=0b16c3de0f9dc01bd8a9708008f9435fe0252df1;p=builder.git

diff --git a/source/target.cpp b/source/target.cpp
index 6653c11..cd4cf36 100644
--- a/source/target.cpp
+++ b/source/target.cpp
@@ -1,8 +1,9 @@
 #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"
@@ -10,33 +11,38 @@
 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);
 }
 
+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));
+}
+
 Target *Target::get_buildable_target()
 {
-	if(!rebuild)
+	if(!needs_rebuild())
 		return 0;
 
-	bool self_ok = !building;
+	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;
 	}
 
@@ -51,62 +57,72 @@ void Target::set_tool(const Tool &t)
 	tool = &t;
 }
 
-void Target::add_depend(Target *dep)
+void Target::force_rebuild()
 {
-	if(dep==this)
-		throw invalid_argument("Target::add_depend");
-	depends.push_back(dep);
+	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);
 		return;
 	}
 
-	preparing = true;
+	state = PREPARING;
+	find_dependencies();
+	if(tool)
+	{
+		if(FileTarget *tool_exe = tool->get_executable())
+			add_dependency(*tool_exe);
+	}
+
 	for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
 		(*i)->prepare();
 
 	check_rebuild();
-	preparing = false;
-	prepared = true;
+	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)
+	if(!tool)
 	{
-		rebuild = false;
+		// This special case is needed for VirtualTargets
+		state = UPTODATE;
 		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());
 
 	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;
-	rebuild_reason = reason;
-}
-
 void Target::build_finished(bool /*success*/)
 {
-	building = false;
-	rebuild = false;
+	state = UPTODATE;
 }