X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftarget.h;h=a47eb756f868cc0663939f7d255c6b31f3f15d8d;hb=3e8bf5032e744b5fc3e7680af48f2abacc67addc;hp=263a404af6b8549b1aa2582fbd860fba634fdbf7;hpb=83d2a8a39e0a09733ffc666d7f885fc328b831f2;p=builder.git diff --git a/source/target.h b/source/target.h index 263a404..a47eb75 100644 --- a/source/target.h +++ b/source/target.h @@ -1,77 +1,83 @@ -/* $Id$ - -This file is part of builder -Copyright © 2006-2009 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef TARGET_H_ #define TARGET_H_ #include #include +#include #include #include -class Action; class Builder; class Package; +class Task; +class Tool; class Target; -typedef std::list 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. +handles many common tasks. See also FileTarget and VirtualTarget. */ class Target { +public: + typedef std::list Dependencies; + protected: Builder &builder; const Package *package; std::string name; - Msp::Time::TimeStamp mtime; + const Tool *tool; bool buildable; bool building; bool rebuild; std::string rebuild_reason; - TargetList depends; - TargetList rdepends; + Dependencies depends; bool deps_ready; + bool preparing; bool prepared; - bool counted; Target(Builder &, const Package *, const std::string &); public: virtual ~Target() { } - virtual const char *get_type() const=0; + virtual const char *get_type() const = 0; const std::string &get_name() const { return name; } const Package *get_package() const { return package; } - const Msp::Time::TimeStamp &get_mtime() const { return mtime; } /** Tries to locate a target that will help getting this target built. If all dependencies are up-to-date, returns this target. If there are no targets ready to be built (maybe because they are being built right now), returns 0. */ - Target *get_buildable_target(); + virtual Target *get_buildable_target(); + + /** + If this target is a proxy for another (such as Install or Symlink), return + that target. Otherwise, return the target itself. + + Implementors should call the function recursively to find the final target. + */ + virtual Target *get_real_target() { return this; } + + void set_tool(const Tool &); + const Tool *get_tool() const { return tool; } bool is_buildable() const { return buildable; } bool get_rebuild() const { return rebuild; } const std::string &get_rebuild_reason() const { return rebuild_reason; } void add_depend(Target *); - const TargetList &get_depends() const { return depends; } + const Dependencies &get_depends() const { return depends; } bool get_depends_ready() const { return deps_ready; } /** 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; } + virtual void find_depends() { deps_ready = true; } /** Prepares the target by recursively preparing dependencies, then checking @@ -83,39 +89,19 @@ public: /** Starts building the target. Returns the Action used for building. */ - Action *build(); - - void reset_count() { counted=false; } - - /** - Returns the number of targets that need to be rebuilt in order to get this - target up-to-date. - */ - virtual unsigned count_rebuild(); - - /** - Changes the mtime of the target to the current time. - */ - void touch(); + Task *build(); protected: void mark_rebuild(const std::string &); /** Checks if the target needs to be rebuilt and why. */ - virtual void check_rebuild(); + virtual void check_rebuild() = 0; /** - Creates and returns an Action suitable for building this target. + Handler for the build_finished signal of Task. */ - virtual Action *create_action() =0; - - /** - Handles for the build_done signal of Action. - */ - virtual void build_done(); + virtual void build_finished(bool); }; -typedef std::map TargetMap; - #endif