Re: Help with shift/reduce conflict

[Soumitra Kumar]

Thanks. That's what I end up doing.

--- Hans Aberg <address@hidden> wrote:
> As Henrik Sorensen points out, you need to be more
> specific about the 
> grammar you want to produce. Here is a suggestion
> though:
> 
> %token YYID
> %%
> expression:
>      hier_id
>    | method_call
>    | paren_expr
> ;
> paren_expr:
>     '(' expression ')'
> ;
> method_call:
>      paren_expr '.' YYID paren_expr
> ;
> hier_id :
>      YYID
>    | hier_id '.' YYID
> ;
> 
> 
> At 12:23 +0200 2005/03/28, Henrik Sorensen wrote:
> >On Monday 28 March 2005 00.20, Soumitra Kumar
> wrote:
> >>  1+3.YYID(7) has no meaning. But following is a
> valid
> >>  expression:
> >>  (YYID + YYID).YYID().YYID () + YYID() +
> YYID.YYID() +
> >>  YYID.YYID
> >for this reduction to make any sense, you need to
> show more of your grammar.
> >What kind of operator is '.' in your grammar ?
> >
> >Henrik
> >
> >>
> >>  -Soumitra.
> >>
> >>  --- Henrik Sorensen <address@hidden>
> wrote:
> >>  > can you tell a bit more about what your
> grammar
> >>  > tries to achieve ?
> >>  > from your very brief description, it sounds
> like you
> >>  > can do this:
> >>  > 1+3.YYID(7)
> >>  > but what would this mean ?
> >>  > Henrik
> >>  >
> >>  > On Sunday 27 March 2005 21.37, Soumitra Kumar
> wrote:
> >>  > > %token YYID
> >>  > > %%
> >>  > > expression : hier_id
> >>  > >
> >>  > >         | method_call
> >>  > >
> >>  > >           /* unary and secondary expression
> >>  >
> >>  > follows.
> >>  >
> >>  > > */
> >>  > >         ;
> >>  > > method_call : expression '.' YYID '('
> expression
> >>  >
> >>  > ')'
> >>  >
> >>  > >         ;
> >>  > > hier_id : YYID
> >>  > >
> >>  > >         | hier_id '.' YYID
> >>  > >
> >>  > >         ;
> >>  > >
> >>  > > How to resolve the shift/reduce conflict?
> Please
> >>  >
> >>  > help.
> >>  >
> >>  > > -Soumitra.
> >>  > >
> >>  > >
> >>  > >
> >>  > > __________________________________
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> >>  >
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> >>  >
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> >>  > >
> >>  > >
> >>  > >
> _______________________________________________
> >>  > > address@hidden
> >>  >
> >>  >
> http://lists.gnu.org/mailman/listinfo/help-bison
> >>
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> >>
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> >
> >
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> 
> 
> 


                
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