Does JSON have comments? Is that just Javascript comments?
When the machine gets huge because a particular complicated pattern
appears all over, that's a good sign you need to use the traditional
lexer + parser approach. Some people like to use ragel to parse directly
though. Which you do is a matter of preference I suppose.
-Adrian
On 10-09-29 11:31 AM, M P wrote:
Only partially -- I managed to get the whole parser working, BAR the
comments... I had tried to embed the comment 'detection' into the
"whitespace" rule ("W"), but I never managed to get it to work, so I
yanked the comment bit for now..
I think there's probably a need in ragel to specify a "skip" rule
flag, to prevent the parser getting gigantic with "instances" of these
empty rules... I tried to do an fcall/fret but didn't get that to work
either...
Right now the parser is about 50kb expanded, and thats as low as I
managed it to get, I think that given the relative complexity of it,
it's probably OK...
If you want to have a quick review and/or submit patches, I would be
very grateful !
Michael
On Wed, Sep 29, 2010 at 7:21 PM, Adrian Thurston
<[email protected]> wrote:
Thanks!
I'm very sorry I never responded to your messages. Did you get all the
issues worked out?
-Adrian
On 10-09-29 11:19 AM, M P wrote:
I open-sourced a ragel-based parser for an extended version of JSON (I
had posted a problematic version some weeks ago)
http://bliterness.blogspot.com/2010/09/new-libejson-json-parser-on-steroids.html
Michael
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