I'd like (to find or make) a utility that inputs the code of a Pl/pgSQL
function (e.g. from a text file or from STDIN, and then parses the
function definition, building a complete symbol table. I would then
write C code that walks that symbol table and does stuff. As a starting
point I'd be happy if I could just visit each node in the symbol table
and dump that node out to another file.
I'm thinking that the code in src/pl/plpgsql/src is where to start, but
I need some guidance sorting through that stuff. I understand (in
theory, anyway) how flex and bison work, so maybe I just need a bit of
hand-holding to get a simple standalone PL/pgSQL parser up and running.
I want to analyze/transform some Oracle PL/SQL procs, and PL/pgSQL is so
close to PL/SQL that I figured that a PL/pgSQL parser would be a good
starting point.
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