Re: [EXTERN] Re: Re: Re: Re: Re: Definition of tokens in GP language

Bill Allombert on Thu, 30 Oct 2025 16:23:40 +0100

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Re: [EXTERN] Re: Re: Re: Re: Re: Definition of tokens in GP language

To: pari-dev@pari.math.u-bordeaux.fr
Subject: Re: [EXTERN] Re: Re: Re: Re: Re: Definition of tokens in GP language
From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
Date: Thu, 30 Oct 2025 16:23:36 +0100
Delivery-date: Thu, 30 Oct 2025 16:23:40 +0100
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On Thu, Oct 30, 2025 at 03:20:20PM +0100, Hong-Phuc Bui wrote:
> Hi,
> 
> is it your intension, that the lexer in lang.l does not contain binary operators such as '*' or '+' in,
> for example, '12 + 34.5'?

Yes, any unmatched character is a token on its own, which is then accepted by
the parser. There is no need to duplicate the logic in lang.l.

Cheers,
Bill.

References:
- Re: [EXTERN] Re: Definition of tokens in GP language
  - From: Hong-Phuc Bui <hong-phuc.bui@htwsaar.de>
- Re: [EXTERN] Re: Definition of tokens in GP language
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Re: [EXTERN] Re: Re: Definition of tokens in GP language
  - From: Hong-Phuc Bui <hong-phuc.bui@htwsaar.de>
- Re: [EXTERN] Re: Re: Definition of tokens in GP language
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Re: [EXTERN] Re: Re: Definition of tokens in GP language
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Re: [EXTERN] Re: Re: Re: Definition of tokens in GP language
  - From: Hong-Phuc Bui <hong-phuc.bui@htwsaar.de>
- Re: [EXTERN] Re: Re: Re: Definition of tokens in GP language
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Re: [EXTERN] Re: Re: Re: Re: Definition of tokens in GP language
  - From: Hong-Phuc Bui <hong-phuc.bui@htwsaar.de>
- Re: [EXTERN] Re: Re: Re: Re: Definition of tokens in GP language
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Re: [EXTERN] Re: Re: Re: Re: Re: Definition of tokens in GP language
  - From: Hong-Phuc Bui <hong-phuc.bui@htwsaar.de>

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