First Order Logic (FOL) parsing

Hi All,


I'm new about the topic of parsing. I have to develop a parser/compiler for
First Order Logic (FOL) clauses in C/C++ language. I have made a lot of search
on the web but I have found only a source codes written in ML, PROLOG,
Haskell, Python, etc. I have also found a open source AI project that is
written in C/C++ which has a internal FOL parser developed with Bison. The
project is Alchemy http://alchemy.cs.washington.edu/. Do you know it? and what
do you think about it? It's better to try to use it or to rewrite a new
parser?


At the moment I'm studying Flex and Bison to understand how I can generate a
parser. I think it's a big work for me. Do you know if exist an open source
implementation (C/C++) from which I can start apart of Alchemy project?


I would like to know if a LALR parser is able to treat a FOL grammar or if I
need a GLR parser. What do you think?


Thank you

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