Erlog - a prolog interpreter written in, and for, Erlang
Tue May 16 00:33:27 CEST 2006
One thing that I have always thought was missing in Erlang was a Prolog
interpreter. I have now rectified that.
Erlog is a prolog interpreter written in Erlang that can be called from
Erlang and can call Erlang. It is the perfect tool when you need a logic
inference engine within your application. Now you can finally search ETS
databases as God intended.
Erlog implements a subset, most of the good bits at least, of standard
prolog and is reasonably conforming. It is easy to interface with the
rest of Erlang as prolog terms have a very straightforward representation.
There is also a simple prolog parser based on Erlang tokens and a Yecc
parser which is used for loading prolog programs. Note because of a bug
in Yecc you cannot directly compile the .erl file generated by yecc. A
fixed version is included.
There is also a man page describing the system, ad of course the code.
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