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Re: Improved accuracy in diagnostics. Is it worthwhile?

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From Kaz Kylheku <480-992-1380@kylheku.com>
Newsgroups comp.compilers
Subject Re: Improved accuracy in diagnostics. Is it worthwhile?
Date Fri, 18 Mar 2022 16:47:47 -0000 (UTC)
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On 2022-03-18, Ev. Drikos <drikosev@gmail.com> wrote:
> Hello,
>
> This is mainly a parsing question but it's also Fortran related as well.
>
> When I make syntax checking with the command 'fcheck' in the code below,
> the error message doesn't contain a '(' in the expected tokens. This
> happens due to default actions, although the parser is basically LALR. A
> pure LALR parser wouldn't make reductions without examininig the lookahead.

I think you mean default reductions?

In the case of Yacc, the action is the body { $$ = $1; }

:)

--
TXR Programming Language: http://nongnu.org/txr
Cygnal: Cygwin Native Application Library: http://kylheku.com/cygnal

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Thread

Improved accuracy in diagnostics. Is it worthwhile? "Ev. Drikos" <drikosev@gmail.com> - 2022-03-18 07:25 +0200
  Re: Improved accuracy in diagnostics. Is it worthwhile? Kaz Kylheku <480-992-1380@kylheku.com> - 2022-03-18 16:47 +0000
  Re: Improved accuracy in diagnostics. Is it worthwhile? Thomas Koenig <tkoenig@netcologne.de> - 2022-03-18 18:12 +0000
    Re: Improved accuracy in diagnostics. Is it worthwhile? "Ev. Drikos" <drikosev@gmail.com> - 2022-03-19 19:58 +0200

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