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Syntactic Confectionery Delight

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( #3333=superdoc: print w/replies, xml ) Need Help??
However you decide to translate the format, you will want to have a good description of the format, which is provided by a grammar. Once you have a grammar, converting into a format suitable for P::RD should be fairly straightforward.

From your example format, a coarse version of the grammar would be something like

<page> := /page p\d+ \{/ <question>* /\}/ <question> := /question \w+ {/ <label> <choices> /\}/ <label> := /label \{ [^}]+ \}/ <choices> := /single {/ <choice>+ /\}/ <choice> := /\d+ (Yes|No)/
where I have not included whitespace elements in the regexes.

Here the nesting, or hierarchy is represented by different grammar elements contained inside others.


In reply to Re: Parsing a macro language by kvale
in thread Parsing a macro language by bluetrust

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