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Bill Allombert on Sat, 25 Oct 2025 14:25:24 +0200
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Re: [EXTERN] Re: Re: Definition of tokens in GP language
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- To: Hong-Phuc Bui <hong-phuc.bui@htwsaar.de>, pari-dev@pari.math.u-bordeaux.fr
- Subject: Re: [EXTERN] Re: Re: Definition of tokens in GP language
- From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Date: Sat, 25 Oct 2025 14:25:20 +0200
- Delivery-date: Sat, 25 Oct 2025 14:25:24 +0200
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- In-reply-to: <aPyqkdsOkOrx_2fg@seventeen>
- Mail-followup-to: Hong-Phuc Bui <hong-phuc.bui@htwsaar.de>, pari-dev@pari.math.u-bordeaux.fr
- References: <f090408a-1c65-49a8-bd20-8c4c582724dd@htwsaar.de> <aPt14M-wo7Hq_YUv@seventeen> <576d82e9-acca-4933-9740-d4739d63bfe0@htwsaar.de> <aPvwYluanQUOE7wG@seventeen> <d3f6938b-ed94-4420-8216-1c8c02710755@htwsaar.de> <aPyqkdsOkOrx_2fg@seventeen>
On Sat, Oct 25, 2025 at 12:46:41PM +0200, Bill Allombert wrote:
> On Sat, Oct 25, 2025 at 11:37:29AM +0200, Hong-Phuc Bui wrote:
> > Before I try to do something impossible: did someone try to rewrite the lexer in lex?
>
> Ah ah! Good idea. In fact, I did it already.
> See gp2c, file src/lang.l
>
> https://pari.math.u-bordeaux.fr/cgi-bin/cgitweb.cgi?p=gp2c.git;a=blob_plain;f=src/lang.l;hb=HEAD
>
> but it fails in some corner cases, I need to fix it:
>
> echo "3!==6"| gp2c
> stdin:1: syntax error, unexpected '='
> Errors found: aborting...
I hopefully fixed it in gp2c GIT tree. The above link should point to the fixed version now.
Cheers,
Bill