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Re: Parsing a language with optional spaces


From: billfen
Subject: Re: Parsing a language with optional spaces
Date: Mon, 06 Jul 2020 22:33:08 +0000

I remember many years ago reading through the IBM 360 (Mainframe)
assembler code for the Fortran 66 H compiler to understand how the
Hollerith constants were parsed.
I suspect finding an "H" after an integer (and skipping that many
following characters) might be problematic for today's scanners. 
There is an excellent write up in Wikipedia. 
Bill Fenlason


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