While working out some bugs in ParTcl I came across something roughly
equivalent to the following Perl code (I'm using Perl because I
believe more people know Perl than Tcl, at least on this list):
#!/usr/bin/perl
$var = Foo;
*alias = *var;
$alias = undef;
$alias = Baz;
print $var,
Matt Diephouse wrote:
$alias = undef
translates to
null $P1
$P2 = getinterp
$P2 = $P2[lexpad; 1]
$P2['$alias'] = $P1
Given that you are using DynLexPad, you just do:
delete $P2['alias']
HTH
leo
Matt Diephouse wrote:
So what am I supposed to do? It appears that using `null` to mark
deleted/undefined variables won't work. But it's not clear to me that
using a Null PMC is a good idea...
Here's one possibility: you can use one of the PObj_private PMC flags to
store the defined/undefined
Leopold Toetsch [EMAIL PROTECTED] wrote:
Matt Diephouse wrote:
$alias = undef
translates to
null $P1
$P2 = getinterp
$P2 = $P2[lexpad; 1]
$P2['$alias'] = $P1
Given that you are using DynLexPad, you just do:
delete $P2['alias']
If only it were that simple. A
