Hi,
I just released version 0.4.1 of FParsec. Besides some documentation fixes and improved whitespace parsers the new release now also includes a sample parser for PEG grammars (see changes.txt).
The idea for the PEG parser was inspired by Harry Pierson's series on Practical Parsing with F#. Since PEGs can be translated to FParsec almost literally, writing the parser was a breeze. Have a look at Samples/PEG/parser.fs in the FParsec distribution and see for youself!
Best regards,
Stephan
Hi Stephan,
I tried it and wrote a little sample. It worked great. Thanks a lot, it's a very nice software. It's a good alternative to lex/yacc, I guess I'll need it later.
Laurent.
Hi Laurent,
thanks for the positive feedback.
BTW: I just have put online a bug-fix release of FParsec. Anyone using FParsec should update to the new version.
Best regards,
Stephan
After realizing that the current iteration of FParsec's library design no longer relied on lazy computations, I was able to considerably simplify the implementation by unifying the Output and Reply types and throwing out all the lazy computation stuff.
The new version of FParsec (v. 0.5) now also can be built with F# 1.9.3.7!
You can find the updated documentation and a download link at [link:www.quanttec.com]
Best regards,
Stephan
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Hi,
I am happy to announce the first public release of FParsec, a parser combinator library for F#: [link:www.quanttec.com]
FParsec is an F# adaptation of Parsec, the popular parser combinator library for Haskell by Daan Leijen. It can parse context-sensitive, infinite look-ahead grammars, has complete support for unicode input and large files (> 4 GB) and produces excellent error messages. Design and implementation have been optimized for speed and should provide sufficient performance even for demanding applications. FParsec is distributed under a permissive open source license (BSD-style).
Unfortunately, FParsec does not compile with the latest F# candidate release. Due to a regression bug in 1.9.3.7 FParsec requires version 1.9.2.9 or 1.9.3.4.
Best regards,
Stephan