Help about file lalr

[Carlos Javier Borges Villalba]

I would like to know what bison does in file lalr.c. What does bison intend 
to do in lalr.c?
(Of course, I know it computes how to make the finite state machine 
deterministic)
What does digraph and build_relations do? Where can I find theory about 
that?

As some people know i am analyzing Bison's source in order to implement 
another method (dr)

About that implementation we have a beta version.
In the implementation we have for sure to add a  "special" rule in order the 
method works.
That rule is the start_symbol_prima ---> _ _ start_symbol $. (add a double 
start of file and
end of file mark)
We use Bison in its normal way until the function generate_states. Then we 
change the rest even
the bison.simple file.
But we have to debug the method and clean and optimize code.
If somebody wants further information just ask me ;)

Thank you very much


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