Possibly related (definitely perplexing): changing foo in A to “static”
class A
{
10000 => static int foo;
}
class B extends A
{
fun void bar()
{
0 => int foo;
<<< "a", foo >>>;
{
<<< "b", foo >>>;
}
<<< "c", foo >>>;
}
}
<<>>;
A a;
<<>>;
B b;
<<>>;
b.bar();
0 :(int)
10000 :(int)
-2031012 :(int)
a 0
b 10000
c 0
From: chuck-users-bounces@lists.cs.princeton.edu [mailto:chuck-users-bounces@lists.cs.princeton.edu] On Behalf Of Spencer Salazar
Sent: Wednesday, August 06, 2014 2:00 PM
To: ChucK Users Mailing List
Subject: Re: [chuck-users] Scope bug?
That looks like a bug alright. Thanks for letting us know! We will take a look into it.
spencer
On Wed, Aug 6, 2014 at 10:56 AM, Dealga McArdle wrote:
Ah, yes.. i see now
class A
{
10000 => int foo;
}
class B extends A
{
fun void bar()
{
0 => int foo;
<<< "a", foo >>>;
if (true) {
<<< "b", foo >>>;
}
<<< "c", foo >>>;
}
}
B bobj;
bobj.bar();
indeed.
On Wed, Aug 6, 2014 at 4:51 PM, Ian South-Dickinson wrote:
The bug appears in other inner scopes, such as an if-statement, and probably for/while loops.
On Wed, Aug 6, 2014 at 7:40 AM, Dealga McArdle wrote:
Ian, why do you have that innermost scope? that's not intended use of syntax I think.
On Wed, Aug 6, 2014 at 9:00 AM, Ian South-Dickinson wrote:
I encountered a strange case where a variable was changing value within the scope of an if statement, because I had a superclass with an identical variable name. I am able to reproduce it with this simple case:
class A
{
10000 => int foo;
}
class B extends A
{
fun void bar()
{
0 => int foo;
<<< "a", foo >>>;
{
<<< "b", foo >>>;
}
<<< "c", foo >>>;
}
}
Prints out:
a 0
b 10000
c 0
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