Re: Some random reflections on tpr05a

Rick Klement <[email protected]> writes:

> This one uses Parse::Yapp.
> Here's a rpn.y:
> 
> %left '+' '-'
> %left '*' '/'
> 
> %%
> expr:     NUMBER
>         | '-' NUMBER      { "-$_[2]" }
>         | expr '+' expr   { "$_[1] $_[3] +" }

Wait.  Parse::Yapp handles left-recursive grammars?  Ah, it's LALR.
Nifty.
-- 
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| ``Ooooaah!                                                            |
|   I'm getting so excited about cheese-making I can't stand it!''      |
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