diff options
Diffstat (limited to 'libbuild2/rule.hxx')
| -rw-r--r-- | libbuild2/rule.hxx | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libbuild2/rule.hxx b/libbuild2/rule.hxx index dea9c9a..acd22fe 100644 --- a/libbuild2/rule.hxx +++ b/libbuild2/rule.hxx @@ -34,6 +34,10 @@ namespace build2 // implementations. It is also a way for us to later pass more information // without breaking source compatibility. // + // A rule may support match options and if such a rule is rematched with + // different options, then reapply() is called. See + // match_extra::{cur,new}_options for background and details. + // struct match_extra; class LIBBUILD2_SYMEXPORT rule @@ -45,6 +49,9 @@ namespace build2 virtual recipe apply (action, target&, match_extra&) const = 0; + virtual void + reapply (action, target&, match_extra&) const; + rule () = default; virtual @@ -265,8 +272,8 @@ namespace build2 // is a pattern and returns true otherwise. // // Note also that in case of a member of a group-based target, match() is - // called on the group while apply() on the member (see match_rule() in - // algorithms.cxx for details). This means that match() may be called + // called on the group while apply() on the member (see match_rule_impl() + // in algorithms.cxx for details). This means that match() may be called // without having the target locked and as a result match() should (unless // known to only match a non-group) treat the target as const and only // rely on immutable information (type, name, etc) since the group could |