diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2017-01-23 13:58:42 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2017-01-23 13:58:42 +0200 |
| commit | 0d7c7f2c8bc044519b2936c9891d65701b7762bb (patch) | |
| tree | ac7a8e6fa338353595589ea8b554486deba260a3 /build2/rule | |
| parent | c6a07db01dd75c9d39a54b8bcc01ce262245ad52 (diff) | |
Make rules const throughout
Diffstat (limited to 'build2/rule')
| -rw-r--r-- | build2/rule | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/build2/rule b/build2/rule index 015cf1a..fbf3dcc 100644 --- a/build2/rule +++ b/build2/rule @@ -29,6 +29,10 @@ namespace build2 match_result (bool r, action a): result (r), recipe_action (a) {} }; + // Once a rule is registered (for a scope), it is treated as immutable. If + // you need to modify some state (e.g., counters or some such), then make + // sure it is MT-safe. + // class rule { public: @@ -50,7 +54,7 @@ namespace build2 virtual recipe apply (action, target&) const override; - static file_rule instance; + static const file_rule instance; }; class alias_rule: public rule @@ -62,7 +66,7 @@ namespace build2 virtual recipe apply (action, target&) const override; - static alias_rule instance; + static const alias_rule instance; }; class fsdir_rule: public rule @@ -80,7 +84,7 @@ namespace build2 static target_state perform_clean (action, target&); - static fsdir_rule instance; + static const fsdir_rule instance; }; // Fallback rule that always matches and does nothing. @@ -94,7 +98,7 @@ namespace build2 virtual recipe apply (action, target&) const override {return noop_recipe;} - static fallback_rule instance; + static const fallback_rule instance; }; } |