Re: $$

[Tim Van Holder]

On Wed, 2003-02-12 at 00:14, Mike Rollins wrote:
> What "type" exactly, is '$$'?  Whenever I attempt to use it, I get:
> 
> $$ of `QualifiedName' has no declared type
> 
> My union is as follows:
> 
> %union{
>       char* ID
> }
> 
> and later I have:
> 
> %token <ID> IDENTIFIER
> 
> However, even if I do the following:
> 
> ...{$$.ID = yylval.ID;}...
> 
> I still get the above error.  What am I doing wrong?
> 
> Thanks,
> 
> Mike

Aside from
  %token <ID> IDENTIFIER
you also need
  %type <ID> myrule

then you can have

myrule
: IDENTIFIER
| SOMETHING_TO_IGNORE IDENTIFIER
  {
    $$ = $2;
  }
;

-- 
Tim Van Holder <address@hidden>