Qian,
I do not understand all this stuff, but it somehow sounds as if it might
have influence on the connection that I use in jfricas. I remember you
have an eye on this. Can you confirm?
Thank you
Ralf
To clarify things up:
1. Currently we have stuff like "(PRINC STR *standard-output*)".
2. The above propose is like "(PRINC STR *spad-output*)" where
*spad-output* is bound to a socket-stream and can be switched
at runtime.
3. The following propose uses "(SPRINC STR *spad-output*)",
where SPRINC can do ")spool", and use FFI to print to
*spad-output*, which might be a socket file descriptor.
The usocket Lisp library does not support unix domian socket,
also this higher abstraction differs from our current idiom.
I plan to use the FFI for C functions instead. (Add new
wrappers for "select", "accept", etc.)
Very preliminary tests show that this approach is workable.
Also with this redesigned architecture, it would be very
easy for SageMath to communicate with FriCAS through socket.
This method should be more stable and support more Lisps
than the call-lisp-from-c method.
- Qian
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