Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!sharkey!atanasoff!atanasoff.cs.iastate.edu!hascall
From: hascall@atanasoff.cs.iastate.edu (John Hascall)
Newsgroups: comp.lang.c
Subject: 3-way branching
Message-ID: <1293@atanasoff.cs.iastate.edu>
Date: 4 Aug 89 13:32:02 GMT
Sender: hascall@atanasoff.cs.iastate.edu
Reply-To: hascall@atanasoff.cs.iastate.edu (John Hascall)
Distribution: na
Organization: Iowa State Univ. Computation Center
Lines: 20


    This is a respones to an article from Marv Rubenstein (sp?), [sorry,
    rn barfed with "interp buffer overflow" when I tried to do a real
    followup].

>Note that it is not hard (as compiler writing goes) to build a compiler which
>when given:
>                                                                             
>          if
>           ((expr)<0) <statement-list>
>           ((expr)=0) <statement-list>
>           ((expr)>0) <statement-list>
>          fi

   How do you tell the expression from the statement when an expression
is a statement in C?  Sure you could follow the statement with ';' but
that could be a long way to look ahead to determine which you were looking
at.

--John