coco/r of some problem

"113" <s9134143@pu.edu.tw>
11 Apr 2005 00:11:05 -0400

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coco/r of some problem s9134143@pu.edu.tw (113) (2005-04-11)
Re: coco/r of some problem Meyer-Eltz@t-online.de (Detlef Meyer-Eltz) (2005-04-16)
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From: "113" <s9134143@pu.edu.tw>
Newsgroups: comp.compilers
Date: 11 Apr 2005 00:11:05 -0400
Organization: HiNetNews
Keywords: tools, question

hello,
i' m testing coco/r


but my code can't run coco/r.
give a data .
ex: tmp.txt


5+6=


i need show answer.
but i can't do it .


help~~!!




/******************************************/


$c
COMPILER IC


CHARACTERS
digit = "0123456789" .


TOKENS


num = digit {digit}.


PRODUCTIONS


IC = { Expression "=" }.


Expression = (. int tmp,tmp2,total;.)
    num
    { "*" num (.total = tmp2 + tmp; printf("%d",numSym);.)
    | "-" num (.total = tmp2 - tmp; printf("%d",numSym);.)} .


END IC.


/******************************************/


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