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From: arnold@skeeve.com (Aharon Robbins)
Newsgroups: comp.compilers
Subject: Re: Best language for implementing compilers?
Date: Wed, 20 Feb 2019 11:48:03 -0000 (UTC)
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Message-ID: <19-02-014@comp.compilers>
References: <19-02-002@comp.compilers> <19-02-006@comp.compilers> <19-02-008@comp.compilers> <19-02-012@comp.compilers>
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Keywords: history, Fortran, tools
Posted-Date: 20 Feb 2019 14:59:13 EST
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In article <19-02-012@comp.compilers>,
Our esteemed moderator wrote:
>[As I recall, Ratfor was bootstrapped using primitive versions of
>itself.  That used to be pretty common. -John]

The first ratfor was done in C using yacc and maybe lex. I suspect
that that was then used to write the ratfor-in-ratfor presented in
"Software Tools".
--
Aharon (Arnold) Robbins 		arnold AT skeeve DOT com