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[REBOL] Re: how to parse thru nested parens?

From: robert:muench:robertmuench at: 10-Dec-2001 21:43

> -----Original Message----- > From: [rebol-bounce--rebol--com] [mailto:[rebol-bounce--rebol--com]]On Behalf Of > Petr Krenzelok > Sent: Monday, December 10, 2001 9:27 PM > To: [rebol-list--rebol--com] > Subject: [REBOL] how to parse thru nested parens? > I am building sms system and I would like to trace following occurance: > comand(text info or parameters) > however, I wold like following to be parsed correctly, so ignoring > nested parens, e.g.: > command(some params(some subparams), maybe some other params)
Hi, do you want to know how to parse the ( and ) exactly or do you want to know how nested structures are parsed? Anyway, the second is more interesting (not tested!): rules: "command" some params params: ["(" [params | some subparams] ")" ] subparams: what-ever-it-takes Robert