X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ffiletarget.cpp;h=a2bd3f0a1e0b1f922e2fe89feff2bd59483ca39e;hb=451ef4f33b5a57dcb56bd7cb671bed359ac86247;hp=bc4e110d8700002f822bca478d0e6aa6fde6a8be;hpb=bd2a50ecb9f582c6e9569ffc9f33d41f10363c5f;p=builder.git

diff --git a/source/filetarget.cpp b/source/filetarget.cpp
index bc4e110..a2bd3f0 100644
--- a/source/filetarget.cpp
+++ b/source/filetarget.cpp
@@ -1,21 +1,31 @@
+#include <msp/core/algorithm.h>
 #include <msp/fs/stat.h>
 #include <msp/fs/utils.h>
 #include <msp/strings/format.h>
+#include <msp/strings/utils.h>
 #include <msp/time/utils.h>
 #include "builder.h"
 #include "filetarget.h"
 #include "sourcepackage.h"
+#include "task.h"
+#include "tool.h"
 
 using namespace std;
 using namespace Msp;
 
-FileTarget::FileTarget(Builder &b, const Package *p, const FS::Path &a):
-	Target(b, p, make_name(p, a)),
-	path(a),
-	size(0)
+FileTarget::FileTarget(Builder &b, const SourcePackage *p, const FS::Path &a):
+	Target(b, generate_name(b, p, a)),
+	path(a)
 {
+	package = p;
+
 	builder.get_vfs().register_path(path, this);
 
+	stat();
+}
+
+void FileTarget::stat()
+{
 	if(FS::Stat st = FS::lstat(path))
 	{
 		mtime = st.get_modify_time();
@@ -23,58 +33,137 @@ FileTarget::FileTarget(Builder &b, const Package *p, const FS::Path &a):
 	}
 }
 
+string FileTarget::generate_name(Builder &builder, const SourcePackage *pkg, const FS::Path &path)
+{
+	if(pkg && FS::descendant_depth(path, pkg->get_source_directory())>=0)
+	{
+		FS::Path relpath = FS::relative(path, pkg->get_source_directory());
+		return format("<%s>%s", pkg->get_name(), relpath.str().substr(1));
+	}
+	else if(FS::descendant_depth(path, builder.get_prefix())>=0)
+	{
+		FS::Path relpath = FS::relative(path, builder.get_prefix());
+		return "<prefix>"+relpath.str().substr(1);
+	}
+
+	return path.str();
+}
+
 void FileTarget::touch()
 {
 	mtime = Time::now();
+	modified();
+	signal_bubble_rebuild.emit();
 }
 
 void FileTarget::check_rebuild()
 {
-	if(!buildable)
+	if(!tool || needs_rebuild())
 		return;
 
-	if(builder.get_build_all())
-		mark_rebuild("Rebuilding everything");
-	else if(!mtime)
+	if(!mtime)
 		mark_rebuild("Does not exist");
 	else
 	{
-		for(TargetList::iterator i=depends.begin(); (i!=depends.end() && !rebuild); ++i)
+		for(Target *d: depends)
 		{
-			FileTarget *ft = dynamic_cast<FileTarget *>(*i);
+			FileTarget *ft = dynamic_cast<FileTarget *>(d);
 			if(ft && ft->get_mtime()>mtime)
-				mark_rebuild((*i)->get_name()+" has changed");
-			else if((*i)->get_rebuild())
-				mark_rebuild((*i)->get_name()+" needs rebuilding");
-			else
+				mark_rebuild(d->get_name()+" has changed");
+			else if(d->needs_rebuild())
+				mark_rebuild(d->get_name()+" needs rebuilding");
+			if(needs_rebuild())
+				break;
+		}
+	}
+
+	if(!needs_rebuild())
+	{
+		// Some side effects might not exist
+		auto i = find_if(side_effects, [](const Target *s){ return s->needs_rebuild(); });
+		if(i!=side_effects.end())
+			mark_rebuild((*i)->get_name()+" needs rebuilding");
+	}
+
+	if(!needs_rebuild() && package)
+	{
+		if(package->get_config().get_mtime()>mtime)
+			mark_rebuild("Package options changed");
+
+		if(tool->get_executable())
+		{
+			string build_sig = create_build_signature();
+			if(package->get_cache().has_key(this, "build_sig"))
 			{
-				Target *real = ft->get_real_target();
-				if(real->get_rebuild())
-					mark_rebuild(real->get_name()+" needs rebuilding");
+				if(package->get_cache().get_value(this, "build_sig")!=build_sig)
+					mark_rebuild("Build signature changed");
 			}
 		}
 	}
+}
+
+string FileTarget::create_build_signature() const
+{
+	if(!package)
+		return string();
+
+	const BuildInfo &binfo = (component ? component->get_build_info() : package->get_build_info());
+	vector<string> sigs;
+
+	if(arch_in_build_sig)
+		if(const Architecture *arch = tool->get_architecture())
+			sigs.push_back(arch->get_name());
+
+	sigs.push_back(tool->create_build_signature(binfo));
+
+	if(nested_build_sig && component)
+	{
+		vector<const Tool *> seen_tools;
+		vector<string> tool_sigs;
+		for(Target *d: depends)
+			if(const Tool *t = d->get_tool())
+				if(d->get_component()==component && !any_equals(seen_tools, t))
+				{
+					seen_tools.push_back(t);
+					tool_sigs.push_back(t->create_build_signature(binfo));
+				}
+
+		sort(tool_sigs);
+		sigs.insert(sigs.end(), make_move_iterator(tool_sigs.begin()), make_move_iterator(tool_sigs.end()));
+	}
 
-	const SourcePackage *spkg = dynamic_cast<const SourcePackage *>(package);
-	if(!rebuild && spkg && spkg->get_config().get_mtime()>mtime)
-		mark_rebuild("Package options changed");
+	return join(sigs.begin(), sigs.end(), ";");
 }
 
-string FileTarget::make_name(const Package *pkg, const FS::Path &pth)
+void FileTarget::build(Task &task)
 {
-	if(const SourcePackage *spkg = dynamic_cast<const SourcePackage *>(pkg))
+	task.add_file(path);
+	task.set_unlink(true);
+}
+
+void FileTarget::build_finished(bool success)
+{
+	if(success)
 	{
-		if(FS::descendant_depth(pth, spkg->get_source())>=0)
-		{
-			FS::Path relpath = FS::relative(pth, spkg->get_source());
-			return format("<%s>%s", pkg->get_name(), relpath.str().substr(1));
-		}
-		else if(FS::descendant_depth(pth, pkg->get_builder().get_prefix())>=0)
+		stat();
+		if(package)
 		{
-			FS::Path relpath = FS::relative(pth, pkg->get_builder().get_prefix());
-			return "<prefix>"+relpath.str().substr(1);
+			string build_sig = create_build_signature();
+			if(!build_sig.empty())
+				package->get_cache().set_value(this, "build_sig", build_sig);
 		}
 	}
 
-	return pth.str();
+	Target::build_finished(success);
+}
+
+void FileTarget::clean()
+{
+	if(mtime)
+	{
+		FS::unlink(path);
+		mtime = Time::TimeStamp();
+		size = 0;
+		check_rebuild();
+	}
 }