Re: [Flex-help] Only include part of matched string in yytext/token

[Will E. <wes...@gm...>]

Sounds like you care a bit more about the grammar and not just the
lexical stream. So, either introduce a parser (using bison, for
example), or do something using start conditions or additional rules to
match only what you want to match.

On Thursday,  8 November 2012,  5:00 pm +0100, Daniel Janzon <dan...@ed...> wrote:

> Hi,
> 
> Suppose I have a rule
> 
> \"[a-zA-Z0-9 ]*\"  { yylval.s = strdup(yytext); return QUOTEDSTRING; }
> 
> But I don't want yylval.s to include the actual quote characters. Is 
> there a way to tell flex not to include them in the token? They should 
> still be consumed.
> 
> Otherwise I have to do
> 
> \"[a-zA-Z0-9\._\/ ]*\"  { yytext[strlen(yytext)-1]='\0'; yylval.s = 
> strdup(yytext+1); return QUOTEDSTRING; }
> 
> I don't have a problem with that; I'm just curious whether it is 
> possible or not.
> 
> Regards,
> Daniel
> 
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-- 
Will Estes (wl...@us...)
Flex Project Maintainer
http://flex.sourceforge.net/