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Re: EBNF


From: Adriaan van Os
Subject: Re: EBNF
Date: Mon, 27 Nov 2023 15:06:49 +0100
User-agent: Thunderbird 1.5.0.4 (Macintosh/20060516)

Michael B. Smith wrote:
You can get what you want, with some work (since the language diagrams are 
spread out through the book), from the Burroughs Extended Algol manuals. For 
example:

http://www.bitsavers.org/pdf/burroughs/LargeSystems/B5000_5500_5700/1028024_B5500_ExtendedAlgol_196707.pdf

And you'll have to strip out the "extended" pieces of it.

Thanks for the link, but a rule like this (on page 1-4)

        <space> ::= <single space> I <space> <single space>

is typically BNF, working around the lack of a repetition construct in BNF, through a recursive definition.

Regards,

Adriaan van Os



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