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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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