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From: jhh@sprite.Berkeley.EDU (John H. Hartman)
Newsgroups: comp.lang.perl
Subject: expression evaluation
Message-ID: <9171@pasteur.Berkeley.EDU>
Date: 23 Nov 90 21:05:57 GMT
Sender: news@pasteur.Berkeley.EDU
Reply-To: jhh@sprite.Berkeley.EDU (John H. Hartman)
Organization: U.C. Berkeley Sprite Project
Lines: 20


I'd like to write a Perl program that evaluates expressions with the
following grammar:

expr -> expr op expr
expr -> ( expr )
expr -> 1
expr -> 0
op -> ||
op -> &&


Does anyone have a program that does something similar?  

John

-----------------------------------------------------------------------
John H. Hartman
Graduate Student, UCB Sprite project
jhh@sprite.berkeley.edu