Remove all files in a side effect group when starting a task

[builder.git] / source / target.h

diff --git a/source/target.h b/source/target.h
index 5143dcf77fe0898895918b5588840259a5e39bc7..6b9cc90a0842de77c845982a1f6462d7c107caf6 100644 (file)
--- a/source/target.h
+++ b/source/target.h
@@ -30,7 +30,8 @@ protected:
                PREPARING,
                REBUILD,
                BUILDING,
-               UPTODATE
+               UPTODATE,
+               BROKEN
        };
 
 public:
@@ -42,11 +43,14 @@ protected:
        const Component *component;
        std::string name;
 
-       const Tool *tool;
+       Tool *tool;
        State state;
        std::string rebuild_reason;
+       std::list<std::string> problems;
 
        Dependencies depends;
+       Dependencies side_effects;
+       Target *primary_target;
 
        Target(Builder &, const std::string &);
 public:
@@ -62,6 +66,10 @@ public:
        this won't be detected until the targets are prepared. */
        void add_dependency(Target &);
 
+       /** Adds a side effect for the target.  Side effects are not built on their
+       own, but together with their primary target. */
+       void add_side_effect(Target &);
+
 protected:
        /** Finds dependencies for the target.  Called during preparation.  If the
        target needs to recursively inspect its dependencies, it should prepare its
@@ -72,6 +80,12 @@ public:
        /// Returns the dependencies of the target, in the order they were added.
        const Dependencies &get_dependencies() const { return depends; }
 
+       /// Returns the side effects of the target.
+       const Dependencies &get_side_effects() const { return side_effects; }
+
+       /// Returns the primary target associated with a side effect target.
+       Target *get_primary_target() const { return primary_target; }
+
        /** 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),
@@ -83,7 +97,7 @@ public:
        the function recursively to find the final target. */
        virtual Target *get_real_target() { return this; }
 
-       void set_tool(const Tool &);
+       void set_tool(Tool &);
 
        /** Returns the tool used to build the target.  To actually build it, call
        the build() function. */
@@ -111,6 +125,10 @@ protected:
        virtual void check_rebuild() = 0;
 
 public:
+       bool is_broken() const { return state==BROKEN; }
+
+       const std::list<std::string> &get_problems() const { return problems; }
+
        /** Prepares the target by finding dependencies, recursively preparing them
        and then checking whether rebuilding is needed. */
        void prepare();
@@ -120,9 +138,15 @@ public:
        virtual Task *build();
 
 protected:
+       /** Targets can override this to do additional setup on the Task.  This is
+       also called on side effects, which normally do not get built by themselves. */
+       virtual void build(Task &) { }
+
        /** Handler for Task::signal_finished. */
        virtual void build_finished(bool);
 
+       virtual void modified() { }
+
 public:
        /** Removes any results of building the target. */
        virtual void clean() { }