+/* $Id$
+
+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>
+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_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 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;
- 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();
+ virtual Action *create_action() =0;
+ virtual void build_done();
};
+typedef std::map<std::string, Target *> TargetMap;
+
#endif