Re: Rép : [antlr-interest] extended ascii chars

Terence Parr parrt at cs.usfca.edu
Tue Oct 26 15:56:59 PDT 2004



On Oct 26, 2004, at 2:23 PM, jcdur wrote:
> Thanks a lot , but I don't think it is simply a matter of pure ascii
> (7bit character) or extended ascii (8bit character)
> since:
> - e grave (dec 232) and e acute (dec 233) for instance, are accepted,
> and a grave (dec 224) and u grave (dec 249) not !
> - and all the source files of ANTLR I saw have the option
> "charVocabulary = '\3'..'\377';"

Salut Jean-Claude,

Strange!   I thought for sure that antlr.g only did latin char to 127.  
Somebody else tried this.  Can they comment?

Ter

>
> Jean-Claude.
>
> Le 25 oct. 04, à 20:56, Terence Parr a écrit :
>
>
> Hi, somebody recently asked this I think.  antlr.g itself only accepts
> latin char until you alter antlr.g to say 0..255 instead of 0..127;
> then rebuild.
>
> Sorry about that...
>
> Ter
>
> On Oct 25, 2004, at 5:20 AM, jcdur wrote:
> Can somebody explain me why I got an error because of the 'à' in
> the comment when running "java antlr.Tool" on the following file:
>
> options
> {
> 	language = "Cpp";	
> }
> /* Eléments lexicaux: */
> class Lex extends Lexer;
> options
> {
> 	charVocabulary = '\3'..'\377';
> }
> // Noeuds ne correspondant pas à des terminaux:
> tokens
> {
> 	// utilisés dans l'AST d'un ao:
> 	Foret;
> 	Arbre;
> }
>
> ENTIER: ('0'..'9')+;
>
> ...
>
> I have the same pb when this character or 'ù' appears in rules.
> Thanks,
> Jean_Claude.
>
> Yahoo! Groups Links
> --
> CS Professor & Grad Director, University of San Francisco
> Creator, ANTLR Parser Generator, http://www.antlr.org
> Cofounder, http://www.jguru.com
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>
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> 38041 Grenoble Cedex 9
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>
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--
CS Professor & Grad Director, University of San Francisco
Creator, ANTLR Parser Generator, http://www.antlr.org
Cofounder, http://www.jguru.com
Cofounder, http://www.knowspam.net enjoy email again!





 
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