1 files changed, 55 insertions, 4 deletions

diff --git a/libbuild2/adhoc-rule-buildscript.hxx b/libbuild2/adhoc-rule-buildscript.hxx
index 748a4c4..336dceb 100644
--- a/libbuild2/adhoc-rule-buildscript.hxx
+++ b/libbuild2/adhoc-rule-buildscript.hxx
@@ -25,6 +25,9 @@ namespace build2
     virtual bool
     reverse_fallback (action, const target_type&) const override;
 
+    virtual bool
+    match (action, target&, const string&, match_extra&) const override;
+
     virtual recipe
     apply (action, target&, match_extra&) const override;
 
@@ -33,7 +36,41 @@ namespace build2
            const optional<timestamp>&) const override;
 
     target_state
-    perform_update_file (action, const target&) const;
+    perform_update_file_or_group (action, const target&) const;
+
+    struct match_data;
+    struct match_data_byproduct;
+
+    target_state
+    perform_update_file_or_group_dyndep (
+      action, const target&, match_data&) const;
+
+    target_state
+    perform_update_file_or_group_dyndep_byproduct (
+      action, const target&, match_data_byproduct&) const;
+
+    optional<target_state>
+    execute_update_prerequisites (action, const target&, timestamp) const;
+
+    bool
+    execute_update_file (const scope&,
+                         action a, const file&,
+                         build::script::environment&,
+                         build::script::default_runner&,
+                         bool deferred_failure = false) const;
+
+    bool
+    execute_update_group (const scope&,
+                          action a, const group&,
+                          build::script::environment&,
+                          build::script::default_runner&,
+                          bool deferred_failure = false) const;
+
+    static target_state
+    perform_clean_file (action, const target&);
+
+    static target_state
+    perform_clean_group (action, const target&);
 
     target_state
     default_action (action, const target&, const optional<timestamp>&) const;
@@ -42,7 +79,10 @@ namespace build2
         : adhoc_rule (move (n), l, b) {}
 
     virtual bool
-    recipe_text (const scope&, string&&, attributes&) override;
+    recipe_text (const scope&,
+                 const target_type&,
+                 string&&,
+                 attributes&) override;
 
     virtual void
     dump_attributes (ostream&) const override;
@@ -50,11 +90,22 @@ namespace build2
     virtual void
     dump_text (ostream&, string&) const override;
 
+    void
+    print_custom_diag (const scope&, names&&, const location&) const;
+
   public:
     using script_type = build::script::script;
 
-    script_type script;
-    string      checksum; // Script text hash.
+    // The prerequisite_target::include bits that indicate update=unmatch and
+    // an ad hoc version of that.
+    //
+    static const uintptr_t include_unmatch       = 0x100;
+    static const uintptr_t include_unmatch_adhoc = 0x200;
+
+
+    script_type        script;
+    string             checksum; // Script text hash.
+    const target_type* ttype;    // First target/pattern type.
   };
 }