diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2019-08-22 14:38:57 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2019-08-23 18:14:07 +0200 |
| commit | 5035f4ef68922ac758b1e4734e67d73c9228010b (patch) | |
| tree | 271fdd5b1d6e995a058d97aacb3ac90a538d9ff1 /libbuild2/action.hxx | |
| parent | 8793941652d6aa1c3d02b2f87f691e6d06254b7d (diff) | |
Introduce notion of build context
All non-const global state is now in class context and we can now have
multiple independent builds going on at the same time.
Diffstat (limited to 'libbuild2/action.hxx')
| -rw-r--r-- | libbuild2/action.hxx | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/libbuild2/action.hxx b/libbuild2/action.hxx index 9fa2a16..01c5307 100644 --- a/libbuild2/action.hxx +++ b/libbuild2/action.hxx @@ -116,10 +116,18 @@ namespace build2 template <typename T> struct action_state { - T data[2]; // [0] -- inner, [1] -- outer. + T inner; + T outer; - T& operator[] (action a) {return data[a.inner () ? 0 : 1];} - const T& operator[] (action a) const {return data[a.inner () ? 0 : 1];} + T& operator[] (action a) {return a.inner () ? inner : outer;} + const T& operator[] (action a) const {return a.inner () ? inner : outer;} + + action_state () = default; + + template <typename... A> + explicit + action_state (A&&... a) + : inner (forward<A> (a)...), outer (forward<A> (a)...) {} }; // Id constants for build-in and pre-defined meta/operations. |