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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