Andrew:
I've been playing :)
r1: [r1: [any r2]]
r2: [r2: [word!]]
my-parser: make object! compose [
(r1)
(r2)
;-- you can even attach an action to an existing rule
([append r2 [( print "Found Word")]])
]
regards
david
>>>>
Hi, David (and feedback), you wrote (directly:
> Have you found a satisfactory solution to reusing grammar rules?
Not yet. My best so far is to put common rules in an object like:
Rules: make object! [
Label: [Alpha some Alphanumeric]
]
then refer to the rule in another object like:
Parser: make object! [
Label: Rules/Label
Action: [
Label (
; Do stuff here
)
]
]
My next thoughts are to request object/path support in 'parse rules from
Rebol HQ. Something like:
Action: [
Rules/Label (
; My action here.
)
]
would be good to add to Rebol's 'parse dialect.
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