Re: statement distinguisher

[Ondrej Lhotak <olhotak@sable.mcgill.ca>]

On Wed, Jul 21, 2004 at 02:43:16PM +0200, Jooyong Lee wrote:
> Hi, there
> 
> I have a naive question. I wonder how I can distinguish among data-flow 
> information of seemingly the same statements?
> Let's say, I've  detected  a loop and come to know that stmt A is in a 
> loop and another stmt A' taking the same appearence with A is out of a 
> loop. In later phase, I want to answer that  whether or not a certain 
> statement is in a loop. However only with Stmt, I cannot tell A from A'. 
> Isn't there any unique information available?

You can tell different statements apart using pointer equality
if(A!=B) {...}

I believe statements don't have equals methods defined, so using
equals() should also distinguish two statements that look the same.

Ondrej


> 
> ___________________________________
> Jooyong Lee (www.brics.dk/~jlee)
> BRICS(www.brics.dk)
> Dept. of Computer Science
> University of Aarhus
> Email: jlee@brics.dk
> 
>