X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftarget.h;h=fa744ac75f341fef278d9fe953a6654e0e317387;hb=74266a6e650f019063cdcd1c9a7bd26d8f99041b;hp=21135b03970aa96a7b0641e096b4cba6b513860a;hpb=4dc31cca056ea293d320928f61fef0558089d32d;p=builder.git

diff --git a/source/target.h b/source/target.h
index 21135b0..fa744ac 100644
--- a/source/target.h
+++ b/source/target.h
@@ -5,46 +5,65 @@
 #include <string>
 #include <msp/time/timestamp.h>
 
+class Action;
 class Builder;
 class Package;
-class Target;
 
-class TargetRef
-{
-public:
-	TargetRef(Builder &b, const std::string &n): builder(b), name(n) { }
-	Target *get_target();
-private:
-	Builder &builder;
-	std::string name;
-	Target *target;
-};
+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; }
-	virtual void find_depends()=0;
-	void   add_depend(Target *);
+	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; }
 	virtual const char *get_type() const=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       find_depends()              { deps_ready=true; }
+	virtual void       prepare();
+	
+	/**
+	Creates and returns an Action suitable for building this target.
+	*/
+	virtual Action     *build()=0;
+	
+	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;
-	std::list<Target *> depends;
-	std::list<Target *> rdepends;
-	bool        ready_for_build;
+
+	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 void build_done();
 };
 
 #endif