X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ffiletarget.cpp;h=07be2c9fc806ff234fe77cd1292d4159ea44d871;hb=d1f9551e05c9d341149eb490e05b1465d3d6b711;hp=08b0f3115e984e25d30b73f6d2e21d5a5543236c;hpb=a40db37e1e681d397d4bfc6c893e15945c533b72;p=builder.git

diff --git a/source/filetarget.cpp b/source/filetarget.cpp
index 08b0f31..07be2c9 100644
--- a/source/filetarget.cpp
+++ b/source/filetarget.cpp
@@ -1,27 +1,177 @@
-/* $Id$
-
-This file is part of builder
-Copyright © 2009  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
+#include <msp/core/algorithm.h>
 #include <msp/fs/stat.h>
 #include <msp/fs/utils.h>
-#include "file.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):
-	// XXX Builder depends on target name being its path for locating file targets
-	Target(b, p, /*FS::basename*/(a.str())),
-	path(a),
-	size(0)
+FileTarget::FileTarget(Builder &b, const FS::Path &a):
+	FileTarget(b, 0, a)
+{ }
+
+FileTarget::FileTarget(Builder &b, const SourcePackage &p, const FS::Path &a):
+	FileTarget(b, &p, a)
+{ }
+
+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();
+		size = st.get_size();
+	}
+}
+
+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(!tool || needs_rebuild())
+		return;
+
+	if(!mtime)
+		mark_rebuild("Does not exist");
+	else
+	{
+		for(Target *d: depends)
+		{
+			FileTarget *ft = dynamic_cast<FileTarget *>(d);
+			if(ft && ft->get_mtime()>mtime)
+				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"))
+			{
+				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()));
+	}
+
+	return join(sigs.begin(), sigs.end(), ";");
+}
+
+void FileTarget::build(Task &task)
+{
+	task.add_file(path);
+	task.set_unlink(true);
+}
+
+void FileTarget::build_finished(bool success)
+{
+	if(success)
+	{
+		stat();
+		if(package)
+		{
+			string build_sig = create_build_signature();
+			if(!build_sig.empty())
+				package->get_cache().set_value(this, "build_sig", build_sig);
+		}
+	}
+
+	Target::build_finished(success);
+}
+
+void FileTarget::clean()
 {
-	struct stat st;
-	if(!FS::stat(path, st))
+	if(mtime)
 	{
-		mtime=Time::TimeStamp::from_unixtime(st.st_mtime);
-		size=st.st_size;
+		FS::unlink(path);
+		mtime = Time::TimeStamp();
+		size = 0;
+		check_rebuild();
 	}
 }