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[REBOL] Re: Strange parsing behavior

From: g:santilli:tiscalinet:it at: 3-Aug-2002 11:01

Hi Robert, On Saturday, August 3, 2002, 8:39:15 AM, you wrote: RMM> Well, this dependes how you expect parse to work. The rule RMM> [to " - " (?? string1) | to newline] is a choice and Rebol parse uses a Well, that is a sub-rule. The fact that it contains "choices" is just incidental. What do you expect from:
>> parse "this is a test" [copy word [to "a" to end]]
== true
>> word
== "this is a test" RMM> The question is what is the trigger for the copy: You say it's the end RMM> of the rule block (lat trigger) and I would expect as soon as copying It's the end of the sub-rule, since COPY copies what is matched by the next element in the rule, that is the sub-rule in this case. Place COPY *inside* the sub-rule if you want to get the result you were expecting. Regards, Gabriele. -- Gabriele Santilli <[g--santilli--tiscalinet--it]> -- REBOL Programmer Amigan -- AGI L'Aquila -- REB: