X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftarget.h;h=04a360dab57394ec23c305b69825a80135edcee9;hb=be8a901dfc026f61db46d5d64a41cecc619bc97d;hp=371445bc5007ebc4e7c3d4af6c525c7c79bd2231;hpb=59ac0a44d6edf179c01604c6ced744873213f855;p=builder.git

diff --git a/source/target.h b/source/target.h
index 371445b..04a360d 100644
--- a/source/target.h
+++ b/source/target.h
@@ -1,7 +1,15 @@
+/* $Id$
+
+This file is part of builder
+Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
 #ifndef TARGET_H_
 #define TARGET_H_
 
 #include <list>
+#include <map>
 #include <string>
 #include <msp/time/timestamp.h>
 
@@ -9,41 +17,69 @@ class Action;
 class Builder;
 class Package;
 
+class Target;
+typedef std::list<Target *> TargetList;
+
+/**
+Targets make up the build graph.  This class is a base for all target types and
+handles many common tasks.  Most targets are associated with a file.
+*/
 class Target
 {
 public:
-	const std::string &get_name() const { return name; }
-	Target *get_buildable_target();
-	bool   get_rebuild() const { return rebuild; }
-	const std::string &get_rebuild_reason() const { return rebuild_reason; }
-	const Msp::Time::TimeStamp &get_mtime() const { return mtime; }
-	const Msp::Time::TimeStamp &get_virtual_mtime() const { return vmtime; }
+	const std::string  &get_name() const           { return name; }
+	Target             *get_buildable_target();
+	bool               get_buildable() const       { return buildable; }
+	bool               get_rebuild() const         { return rebuild; }
+	const std::string  &get_rebuild_reason() const { return rebuild_reason; }
+	const Msp::Time::TimeStamp &get_mtime() const  { return mtime; }
 	virtual const char *get_type() const=0;
-	const std::list<Target *> &get_depends() const { return depends; }
-	void   add_depend(Target *);
-	virtual void find_depends()=0;
-	virtual void prepare();
-	virtual Action *build()=0;
+	const TargetList   &get_depends() const        { return depends; }
+	const Package      *get_package() const        { return package; }
+	bool               get_depends_ready() const   { return deps_ready; }
+	void               add_depend(Target *);
+	virtual void       prepare();
+
+	/**
+	Finds dependencies for the target.  When all dependencies have been found,
+	the function should set deps_ready to true.
+	*/
+	virtual void       find_depends()              { deps_ready=true; }
+
+	/**
+	Creates and returns an Action suitable for building this target.
+	*/
+	Action             *build();
+
+	void               reset_count()               { counted=false; }
+	virtual unsigned   count_rebuild();
+	void               touch();
 	virtual ~Target() { }
 protected:
-	Builder     &builder;
+	Builder       &builder;
 	const Package *package;
-	std::string name;
-	bool        building;
-	bool        rebuild;
-	std::string rebuild_reason;
+	std::string   name;
 	Msp::Time::TimeStamp mtime;
-	Msp::Time::TimeStamp vmtime;
-	std::list<Target *> depends;
-	std::list<Target *> rdepends;
-	bool        prepared;
-	bool        buildable;
+
+	bool          buildable;
+	bool          building;
+	bool          rebuild;
+	std::string   rebuild_reason;
+
+	TargetList    depends;
+	TargetList    rdepends;
+	bool          deps_ready;
+
+	bool          prepared;
+	bool          counted;
 
 	Target(Builder &, const Package *, const std::string &);
-	void mark_rebuild(const std::string &);
+	void         mark_rebuild(const std::string &);
 	virtual void check_rebuild();
-	Action *build(Action *);
+	virtual Action *create_action() =0;
 	virtual void build_done();
 };
 
+typedef std::map<std::string, Target *> TargetMap;
+
 #endif