[Rd] Standalone C++ application for processing R parser output(SEXP)

From: Rob Anderson <rkjandra_at_gmail.com>
Date: Wed, 23 Mar 2011 19:35:25 -0400


Hi All,

I am trying to write a source-to-source compiler for R. I am trying to leverage the R parser code for the purpose. I am trying to transform the SEXP returned from the parser into an AST for our own Ruby embedded Domain specific language.

I tried using R CMD SHBIN to compile a C function that parses arbitrary R expressions. But I think, the generated .so file can be used from within R and not be called from other C or Ruby programs(I get linker errors).

My Idea is to use the SEXP processing functions/MACROS (CAR, CDR, CADR, etc..) from within C code and transform it to our AST format. I tried linking to libR.a and other lib*.so's when I compile the C code using gcc but, it doesn't work.

I read that R exposes only small number of functions for library/package writers and the compiled *.so can only from within R.

Any ideas on what is wrong, or how I can go about it?

Appreciate any help.

Thanks
RJ

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