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author | Paul Davis <paul@linuxaudiosystems.com> | 2019-09-20 08:21:14 -0600 |
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committer | Paul Davis <paul@linuxaudiosystems.com> | 2019-09-20 09:38:17 -0600 |
commit | ea8ec745651008a844ab5d17c0a96959505151b0 (patch) | |
tree | 23d91c37324d2a2aeed2c153447c275490425f77 /libs/ardour/transport_fsm.cc | |
parent | d986049ed81f6d7f45d327516c0ea67c5d89ff08 (diff) |
expand comment
Diffstat (limited to 'libs/ardour/transport_fsm.cc')
-rw-r--r-- | libs/ardour/transport_fsm.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libs/ardour/transport_fsm.cc b/libs/ardour/transport_fsm.cc index 0528f95304..4c7251328f 100644 --- a/libs/ardour/transport_fsm.cc +++ b/libs/ardour/transport_fsm.cc @@ -110,6 +110,18 @@ TransportFSM::process_events () /* This is the transition table from the original boost::msm * implementation of this FSM. It is more easily readable and * consultable. Please keep it updated as the FSM changes. + * + * Here's a hint about how to read each line of this table: + * + * "if the current state is Start and event Event arrives, new state is Next and we execute Action()" + * + * with a variant: + * + * "if the current state is Start and event Event arrives, new state is Next and we execute Action() ***IF*** Guard() returns true" + * + * This new implementation, however, does not use metaprogramming to achieve all this, + * but just uses a large-ish switch() block. + * */ /* |