Lexer & Compiler for ANSI SQL

I am investigating tools for parsing/compiling ANSI SQL. We already
have hand written code for both purposes, but I would like to see
something far more flexible and extensible. I am also interested in
grammars that are validated to conform to ANSI/ISO standards.


I would like the code generated to be in either C++ or C. I would
like the parsers to be fully reentrant [hence, I can't just get some
hoary copy of flex/yacc]. What products are recommended? Free,
commercial, whatever. It does not matter. I am leery of copyleft, as
I do not want to expose our code base to the world.
--
Hypertext C-FAQ: http://www.eskimo.com/~scs/C-faq/top.html
C-FAQ ftp: ftp://rtfm.mit.edu, C-FAQ Book: ISBN 0-201-84519-9
Try "C Programming: A Modern Approach" ISBN 0-393-96945-2
Want Software? Algorithms? Pubs? http://www.infoseek.com
[Maybe you could get nice new copies of freeware flex and yacc and
twiddle them to make them reentrant. Shouldn't be all that
hard. -John]






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