[ragel-users] Figuring out/referring to FSM states (cs values) outside of action{} blox
Rashid Karimov
rashid.karimov at gmail.com
Wed Nov 18 16:14:38 UTC 2009
Folx,
Say I have a machine defined with a number of states in it:
S1 (
Event1 -> S2 ),
S2 (
Event2 -> S3),
..... and so on .
I access cs as blah->cs .
If I want to figure out and/or modify , outside of FMS action{} code blocks,
if the current state is S2 or S3,
how do I find out what S2 and S3 translate to, in terms of context->cs value
?
Outside of exporting FSM as an XML and then going over it, is there a way to
ask Ragel to "export" the state
mappings ? Similar to the way one can import event definitions like so:
#define Event1 'a'
#define Event2 'b'
can Ragel export state cs values like so:
#define S1 1
#define S2 2
Again, one could use Ragel's dot or XML output to figure out what different
states translate to in terms of cs values
and then map them manually, but I was hoping there's a different, more
automated way to go about it.
When/if the FSM definition is modified - new states included, existing
states deleted, etc, such manual definitions
would clearly get out of sync and this is what I am trying to avoid.
TY
Rashid
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