diff options
Diffstat (limited to 'build/rule')
| -rw-r--r-- | build/rule | 20 |
1 files changed, 18 insertions, 2 deletions
@@ -23,9 +23,19 @@ namespace build // Can contain neither (both are NULL), one of, or both. If both // are NULL, then it is a "no match" indicator. // - prerequisite_type* prerequisite; + // Note that if the "payload" is stored in value instead of + // prerequisite, then target must not be NULL. + // + union + { + prerequisite_type* prerequisite; + bool value; + }; + target_type* target; + match_result (target_type& t, bool v): value (v), target (&t) {} + match_result (std::nullptr_t v = nullptr): prerequisite (v), target (v) {} match_result (prerequisite_type& p): prerequisite (&p), target (nullptr) {} match_result (prerequisite_type* p): prerequisite (p), target (nullptr) {} @@ -37,7 +47,7 @@ namespace build explicit operator bool () const { - return prerequisite != nullptr || target != nullptr; + return target != nullptr || prerequisite != nullptr; } }; @@ -65,6 +75,8 @@ namespace build static target_state perform_update (action, target&); + + static file_rule instance; }; class alias_rule: public rule @@ -75,6 +87,8 @@ namespace build virtual recipe apply (action, target&, const match_result&) const; + + static alias_rule instance; }; class fsdir_rule: public rule @@ -91,6 +105,8 @@ namespace build static target_state perform_clean (action, target&); + + static fsdir_rule instance; }; } |