diff options
Diffstat (limited to 'libbuild2/action.hxx')
| -rw-r--r-- | libbuild2/action.hxx | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/libbuild2/action.hxx b/libbuild2/action.hxx index c1e4697..906d7eb 100644 --- a/libbuild2/action.hxx +++ b/libbuild2/action.hxx @@ -11,11 +11,11 @@ namespace build2 { - // While we are using uint8_t for the meta/operation ids, we assume - // that each is limited to 4 bits (max 128 entries) so that we can - // store the combined action id in uint8_t as well. This makes our - // life easier when it comes to defining switch labels for action - // ids (no need to mess with endian-ness). + // While we are using uint8_t for the meta/operation ids, we assume that + // each is limited to 4 bits (max 15 entries @@ this is probably too low) so + // that we can store the combined action id in uint8_t as well. This makes + // our life easier when it comes to defining switch labels for action ids + // (no need to mess with endian-ness). // // Note that 0 is not a valid meta/operation/action id. // @@ -61,6 +61,8 @@ namespace build2 { action (): inner_id (0), outer_id (0) {} // Invalid action. + action (action_id a): action (a >> 4, a & 0xF) {} + // If this is not a nested operation, then outer should be 0. // action (meta_operation_id m, operation_id inner, operation_id outer = 0) @@ -103,6 +105,11 @@ namespace build2 inline bool operator!= (action x, action y) {return !(x == y);} + inline bool operator== (action x, action_id y) {return x == action (y);} + inline bool operator!= (action x, action_id y) {return x != action (y);} + inline bool operator== (action_id x, action y) {return action (x) == y;} + inline bool operator!= (action_id x, action y) {return action (x) == y;} + bool operator> (action, action) = delete; bool operator< (action, action) = delete; bool operator>= (action, action) = delete; @@ -140,6 +147,8 @@ namespace build2 // Id constants for build-in and pre-defined meta/operations. // + // Note: currently max 15 (see above). + // const meta_operation_id noop_id = 1; // nomop? const meta_operation_id perform_id = 2; const meta_operation_id configure_id = 3; @@ -152,6 +161,8 @@ namespace build2 // that no operation was explicitly specified by the user. If adding // something here remember to update the man page. // + // Note: currently max 15 (see above). + // const operation_id default_id = 1; // Shall be first. const operation_id update_id = 2; // Shall be second. const operation_id clean_id = 3; |