Groups
Conversations
All groups and messages
Send feedback to Google
Help
Training
Sign in
Groups
marpa parser
Conversations
About
Groups keyboard shortcuts have been updated
Dismiss
See shortcuts
marpa parser
1–30 of 846
CLOSED to new posts. Welcome to the Marpa parser Google group. This group is for discussion of the Marpa parser. There is also an IRC channel, which currently is more active: #marpa on
libera.chat
.
Mark all as read
Report group
0 selected
Rk
, …
Jeffrey Kegler
4
4/30/22
Help on Marpa fails
Hi Lukas, Thanks for the detailed analysis and insight. It was very helpful. I have rewritten the
unread,
Help on Marpa fails
Hi Lukas, Thanks for the detailed analysis and insight. It was very helpful. I have rewritten the
4/30/22
Rk
, …
Jeffrey Kegler
5
4/26/22
Newbie question on events
Thanks @Lukas for a very clear explanation. Thanks @Jeffrey for great summary. On Tuesday, April 26,
unread,
Newbie question on events
Thanks @Lukas for a very clear explanation. Thanks @Jeffrey for great summary. On Tuesday, April 26,
4/26/22
clueless newbie
, …
Jeffrey Kegler
6
2/21/22
How to "trap" unacceptable lines.
I have attached a reworked version, which I have tested. A few comments: 1.) In your version you had
unread,
How to "trap" unacceptable lines.
I have attached a reworked version, which I have tested. A few comments: 1.) In your version you had
2/21/22
clueless newbie
, …
Ron Savage
13
2/12/22
Is the group active?
Hmmm, yes. Srinivasa Ramanujan is certainly an extraordinary case to consider. On Sunday, 13 February
unread,
Is the group active?
Hmmm, yes. Srinivasa Ramanujan is certainly an extraordinary case to consider. On Sunday, 13 February
2/12/22
Jeffrey Kegler
5/23/21
IRC channel moved to libera.chat
The Marpa IRC channel has been moved to #marpa on libera.chat. I apologize for doing this with short
unread,
IRC channel moved to libera.chat
The Marpa IRC channel has been moved to #marpa on libera.chat. I apologize for doing this with short
5/23/21
Dean S
,
Jeffrey Kegler
9
12/3/20
Preferring a shorter token match
Glad it worked out. The Ruby Slippers tends to be the most fun way to solve issues. :-) Btw, I call
unread,
Preferring a shorter token match
Glad it worked out. The Ruby Slippers tends to be the most fun way to solve issues. :-) Btw, I call
12/3/20
Martin Quinson
,
Jeffrey Kegler
2
4/23/20
Using Marpa in a project helping to translate the documentation
I would certainly address the problem using Marpa, but I'm kinda biased. :-) From what I read,
unread,
Using Marpa in a project helping to translate the documentation
I would certainly address the problem using Marpa, but I'm kinda biased. :-) From what I read,
4/23/20
John Merchant
,
Jeffrey Kegler
3
2/13/20
precedence rules vs. ambiguity
Thank you for the quick and helpful response! This definitely explains some of the strangeness I was
unread,
precedence rules vs. ambiguity
Thank you for the quick and helpful response! This definitely explains some of the strangeness I was
2/13/20
Piotr Czarnecki
, …
Deyan Ginev
8
11/19/19
Panini parser & SPPF
I am surprised by the effectiveness of this new optimization. I managed to keep recognizer's
unread,
Panini parser & SPPF
I am surprised by the effectiveness of this new optimization. I managed to keep recognizer's
11/19/19
paul.se...@gmail.com
,
Jeffrey Kegler
5
10/14/19
Want to use ala Marpa in my compiler on C++ and Ya so in search for ala Marpa Parser generator in C C++ Java C#... without any Perl
The MARPA, A PRACTICAL GENERAL PARSER: THE RECOGNIZER was tried already in 2017 without any success :
unread,
Want to use ala Marpa in my compiler on C++ and Ya so in search for ala Marpa Parser generator in C C++ Java C#... without any Perl
The MARPA, A PRACTICAL GENERAL PARSER: THE RECOGNIZER was tried already in 2017 without any success :
10/14/19
paul.se...@gmail.com
,
Durand Jean-Damien
6
10/13/19
Marpa Parser generator is awesome... yet is there a sources in C++ Java C#...?
'd explored: all in C with documentation.
unread,
Marpa Parser generator is awesome... yet is there a sources in C++ Java C#...?
'd explored: all in C with documentation.
10/13/19
Jeffrey Kegler
6/3/19
"Infinite Lookahead and Ruby Slippers"
I just uploaded a new blog post: "Infinite Lookahead and Ruby Slippers". It is a relatively
unread,
"Infinite Lookahead and Ruby Slippers"
I just uploaded a new blog post: "Infinite Lookahead and Ruby Slippers". It is a relatively
6/3/19
Jeffrey Kegler
4/1/19
"Sherlock Holmes and the Case of the Missing Parsing Solution"
My newest blog post is "Sherlock Holmes and the Case of the Missing Parsing Solution". I
unread,
"Sherlock Holmes and the Case of the Missing Parsing Solution"
My newest blog post is "Sherlock Holmes and the Case of the Missing Parsing Solution". I
4/1/19
nor...@gmail.com
, …
Jeffrey Kegler
8
4/1/19
Parsing Timeline Suggestions
@Nicholas: I've posted the 2nd part of my reply to my blog: "Sherlock Holmes and the Case of
unread,
Parsing Timeline Suggestions
@Nicholas: I've posted the 2nd part of my reply to my blog: "Sherlock Holmes and the Case of
4/1/19
les...@dubiel.pl
,
Jeffrey Kegler
4
2/18/19
Simple language benchmarks -- marpa vs handcrafted parser with regexes
I hope we have helped. Even if you do go with just regular expressions, perhaps having a BNF arrow in
unread,
Simple language benchmarks -- marpa vs handcrafted parser with regexes
I hope we have helped. Even if you do go with just regular expressions, perhaps having a BNF arrow in
2/18/19
les...@dubiel.pl
,
Ron Savage
2
2/17/19
Numbers without heading or trailing zeros, maximum length, not before assertion
The grammar in MarpaX::Languages::SVG::Parser should give you some ideas. The link jump to line 721
unread,
Numbers without heading or trailing zeros, maximum length, not before assertion
The grammar in MarpaX::Languages::SVG::Parser should give you some ideas. The link jump to line 721
2/17/19
Timothy Allen
,
Jeffrey Kegler
2
1/1/19
Leo reduction for a cyclic grammar
If I had libmarpa to do over again (and actually I probably will revise it at some point), I would
unread,
Leo reduction for a cyclic grammar
If I had libmarpa to do over again (and actually I probably will revise it at some point), I would
1/1/19
Tim Allen
,
Jeffrey Kegler
2
12/27/18
How does Marpa handle empty rules?
For the A ::= # empty case, you do the rewrite of the grammar again, eliminating all A's. (If A
unread,
How does Marpa handle empty rules?
For the A ::= # empty case, you do the rewrite of the grammar again, eliminating all A's. (If A
12/27/18
Jeffrey Kegler
,
krishn...@gmail.com
7
12/26/18
Marpa::R2 8.000000 is out
On my system, commands to examine the file are nm, objdump and ldd. They have man pages and the ld.so
unread,
Marpa::R2 8.000000 is out
On my system, commands to examine the file are nm, objdump and ldd. They have man pages and the ld.so
12/26/18
Jeffrey Kegler
2
12/11/18
I have uploaded a release candidate for Marpa::R2 8.000000
Look at cpanm and the documentation for it. If you're really new, first make sure you have cpanm
unread,
I have uploaded a release candidate for Marpa::R2 8.000000
Look at cpanm and the documentation for it. If you're really new, first make sure you have cpanm
12/11/18
Jeffrey Kegler
,
Ron Savage
3
12/3/18
Marpa::R2 6.000000 is out
Thanks. I passed your report on to the IRC channel. On Mon, Dec 3, 2018 at 4:46 PM Ron Savage <ron
unread,
Marpa::R2 6.000000 is out
Thanks. I passed your report on to the IRC channel. On Mon, Dec 3, 2018 at 4:46 PM Ron Savage <ron
12/3/18
Jeffrey Kegler
11/26/18
Announcing a release candidate for Marpa::R2 6.000000
I have released Marpa::R2 5.045_000: https://metacpan.org/release/JKEGL/Marpa-R2-5.045_000 . This is
unread,
Announcing a release candidate for Marpa::R2 6.000000
I have released Marpa::R2 5.045_000: https://metacpan.org/release/JKEGL/Marpa-R2-5.045_000 . This is
11/26/18
emh
,
Jeffrey Kegler
3
11/1/18
Earley complexity over grammar size
Thanks! That helps. On Thursday, November 1, 2018 at 8:35:55 PM UTC-4, Jeffrey Kegler wrote: Forgive
unread,
Earley complexity over grammar size
Thanks! That helps. On Thursday, November 1, 2018 at 8:35:55 PM UTC-4, Jeffrey Kegler wrote: Forgive
11/1/18
Thomas Weigert
,
Jeffrey Kegler
6
10/23/18
Recognizer interface change in R2?
I confirm that this problem does not occur in 4.000.000. I installed via CPAN and got the latest
unread,
Recognizer interface change in R2?
I confirm that this problem does not occur in 4.000.000. I installed via CPAN and got the latest
10/23/18
Jeffrey Kegler
,
Rocky
2
10/18/18
Announcement of Parsing Timeline 3.1
Looking at the bibliography, I am reminded of a book I recall being interesting at the time by James
unread,
Announcement of Parsing Timeline 3.1
Looking at the bibliography, I am reminded of a book I recall being interesting at the time by James
10/18/18
Jeffrey Kegler
10/3/18
New blog post: "Measuring Language Popularity
My new blog post is "Measuring Language Popularity". Current measures of language
unread,
New blog post: "Measuring Language Popularity
My new blog post is "Measuring Language Popularity". Current measures of language
10/3/18
Jeffrey Kegler
8/28/18
"A Haskell challenge"
"A Haskell challenge" is my most recent blog post. Michael Arntzenius pointed out that
unread,
"A Haskell challenge"
"A Haskell challenge" is my most recent blog post. Michael Arntzenius pointed out that
8/28/18
Jeffrey Kegler
8/21/18
New blog post: "Marpa and combinator parsing 2"
I've just put up a new blog post, "Marpa and combinator parsing 2". It describes an
unread,
New blog post: "Marpa and combinator parsing 2"
I've just put up a new blog post, "Marpa and combinator parsing 2". It describes an
8/21/18
Thomas Weigert
, …
Jeffrey Kegler
4
8/11/18
Rejecting lexemes
Thanks, Ron, for the inspiration. After scanning your code I realized that this situation is even
unread,
Rejecting lexemes
Thanks, Ron, for the inspiration. After scanning your code I realized that this situation is even
8/11/18
Michael Spertus
, …
Jeffrey Kegler
8
8/8/18
Rule ordering question
IIRC, no. You could always create an array of ranks indexed by rule number, though the need to
unread,
Rule ordering question
IIRC, no. You could always create an array of ranks indexed by rule number, though the need to
8/8/18