On Tue, Apr 1, 2008 at 2:37 PM, Patrick R. Michaud <[EMAIL PROTECTED]> wrote: > On Tue, Apr 01, 2008 at 01:23:38PM +0200, Klaas-Jan Stol wrote: > > in the exception handler, a new Undef is created in $P0. When leaving > > this line, this code won't work. When commenting out this line, it > > will print "hi", as expected. > > I don't get that, because, 3 lines later, a new object is stored by > > name "lex"; I had expected to overwrite the current object by that > > name. > > > > [...] > > > > > .sub main > > push_eh exc > > foo() > > pop_eh > > .return () > > > > exc: > > $P0 = new 'Undef' > > .lex "ex", $P0 > > .get_results($P1, $S0) > > store_lex "ex", $P1 > > find_lex $P2, "ex" > > print $P1 > > .end > > > > .sub foo > > $P0 = new 'String' > > $P0 = "hi" > > throw $P0 > > .end > > > I think that .get_results() has to be the _first_ instruction > executed as part of an exception handler. When I change the > exception handler to the following seems to work just fine: > > exc: > .get_results($P1, $S0) > > $P0 = new 'Undef' > .lex "ex", $P0 > > > store_lex "ex", $P1 > find_lex $P2, "ex" > print $P1 > > Pm >
yes, I think you're right. thanks for this info. declaring a .lex before this .get_results instruction is allowed, though. This is a bit confusing: some directives (such as .get_results) are mapped to instructions, while .lex is just a directive. If they're just directives, they're allowed. kjs
