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Re: warning: unused value: $3
From: |
henrik . sorensen |
Subject: |
Re: warning: unused value: $3 |
Date: |
Thu, 26 Oct 2006 20:29:31 +0200 |
User-agent: |
KMail/1.9.1 |
On Thursday 26 October 2006 02:27, Joel E. Denny wrote:
> > Line 873 contains: | procoptionlist ',' {$$=$1;} procoption {$$=$1;}
> > $3 refers to the embedded action after the comma.
>
> In the last semantic action above, write:
>
> USE($3)
>
> > My grammar set a number of attributes in an allocated structure using $0
> > to reference the structure on the stack. The full rules are as follow
>
> How frequently do you do this in your grammar? In other words, how
> painful will it be to add the USE macro invocation to all those rules?
I could change the rule to
procoptionlist ',' {$$=$1;} procoption {$$=$3;}
and the warning will be gone.
Thanks for your suggestions
Henrik
Re: warning: unused value: $3, Joel E. Denny, 2006/10/25
Re: warning: unused value: $3, Joel E. Denny, 2006/10/25
- Re: warning: unused value: $3,
henrik . sorensen <=
- Re: warning: unused value: $3, Joel E. Denny, 2006/10/26
- Re: warning: unused value: $3, henrik . sorensen, 2006/10/26
- Re: warning: unused value: $3, Joel E. Denny, 2006/10/26
- Re: warning: unused value: $3, henrik . sorensen, 2006/10/26
- Re: warning: unused value: $3, Joel E. Denny, 2006/10/26
- Re: warning: unused value: $3, henrik . sorensen, 2006/10/26
- Re: warning: unused value: $3, Joel E. Denny, 2006/10/26
- Re: warning: unused value: $3, henrik . sorensen, 2006/10/27
- Re: warning: unused value: $3, Joel E. Denny, 2006/10/27
- Re: warning: unused value: $3, Hans Aberg, 2006/10/27