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[builder.git] / source / target.h

diff --git a/source/target.h b/source/target.h
index 21135b03970aa96a7b0641e096b4cba6b513860a..fa744ac75f341fef278d9fe953a6654e0e317387 100644 (file)
--- 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