Perl 6 - the future is here, just unevenly distributed

IRC log for #marpa, 2015-02-03

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All times shown according to UTC.

Time Nick Message
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18:26 jeffreykegler Some new Marpa::R2 features written and tested:
18:27 jeffreykegler Events can now be initialization to 'on' or 'off' in the SLIF DSL -- previously they were always initialized 'on', which remains the default.
18:28 jeffreykegler Also, there is a new SLIF recce named arg, "event_is_active", which allows to activate the event when the SLIF recce is created --
18:28 jeffreykegler previously there was no way to control which events were active at Earleme 0, the initial location.
18:29 jeffreykegler This was done as a step toward 'discard events' -- I expect that sometimes users will want to write DSL with *lots* of events, but all initialized to 'off' ...
18:30 jeffreykegler and will want to activate them "on the fly", either as recognizers are created or during the parse.
18:30 jeffreykegler The new features allow this.
18:31 jeffreykegler Also, a couple of bug fixes -- one to report certain location 0 events, which were being missed -- apparently nobody noticed this one, but I found it in testing.
18:32 jeffreykegler Second, the ambiguity_metric() call in rare cases originally allowed "false postives" -- parses reported as ambiguous when in fact they were not.
18:33 jeffreykegler This 2nd bug was originally intended behavior, which I had planned to document, but forgot, so I initially wanted to treat it as a documentation bug.
18:34 jeffreykegler But I was persuaded instead to change the behavior to match the docs, and ambiguity_metric() is now 100% accurate.
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21:56 ronsavage FYI: http://nmap.org/book/nse-language.html#nse-lua
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