diff options
Diffstat (limited to 'libbuild2/target-type.hxx')
| -rw-r--r-- | libbuild2/target-type.hxx | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/libbuild2/target-type.hxx b/libbuild2/target-type.hxx index ef3a3ed..09bc316 100644 --- a/libbuild2/target-type.hxx +++ b/libbuild2/target-type.hxx @@ -93,7 +93,25 @@ namespace build2 const target* (*search) (const target&, const prerequisite_key&); - bool see_through; // A group with the default "see through" semantics. + // Target type flags. + // + // Note that the member_hint flag should only be used on groups with + // link-up during load (see lib{}, for example). In particular, if the + // group link-up only happens during match, then the hint would be looked + // up before the group is known. + // + enum class flag: uint64_t + { + none = 0, + group = 0x01, // A (non-adhoc) group. + see_through = group | 0x02, // A group with "see through" semantics. + member_hint = group | 0x04 // Untyped rule hint applies to members. + }; + + flag flags; + + bool + see_through () const; template <typename T> bool @@ -125,6 +143,32 @@ namespace build2 inline ostream& operator<< (ostream& os, const target_type& tt) {return os << tt.name;} + inline target_type::flag + operator&= (target_type::flag& x, target_type::flag y) + { + return x = static_cast<target_type::flag> ( + static_cast<uint64_t> (x) & static_cast<uint64_t> (y)); + } + + inline target_type::flag + operator|= (target_type::flag& x, target_type::flag y) + { + return x = static_cast<target_type::flag> ( + static_cast<uint64_t> (x) | static_cast<uint64_t> (y)); + } + + inline target_type::flag + operator& (target_type::flag x, target_type::flag y) {return x &= y;} + + inline target_type::flag + operator| (target_type::flag x, target_type::flag y) {return x |= y;} + + inline bool target_type:: + see_through () const + { + return (flags & flag::see_through) == flag::see_through; + } + // Target type map. // class target_type_map |