Re: Compiler Compiler Compiler

Matthias Blume <blume@research.bell-labs.com>
31 Mar 2001 02:32:17 -0500

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From: Matthias Blume <blume@research.bell-labs.com>
Newsgroups: comp.compilers
Date: 31 Mar 2001 02:32:17 -0500
Organization: Lucent Technologies, Bell Labs
References: 01-03-095 01-03-122 01-03-149
Keywords: tools
Posted-Date: 31 Mar 2001 02:32:17 EST

"Ian L. Kaplan" wrote:
>
> Mike Dimmick <mike@dimmick.demon.co.uk> wrote:
>
> >The reason for re-writing YACC tends to be that it, and its
> >derivatives, are somewhat difficult to work with. Let me expand:


No, the original problem that Dan alluded to was that (the original)
yacc and lex produce code in the wrong language (namely C). With
every new programming language L you end up needing new parser- and
lexer-generators that target L.


> Another reason not to use YACC is the stupid $1, $2,
> $3,... notation.


Some other yacc's, notably ML-Yacc, do not follow this stupidity.


Matthias

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