#!./perl
-print "1..30\n";
+print "1..45\n";
eval 'print "ok 1\n";';
print try 'print "ok 10\n"; unlink "Op.eval";',"\n";
close try;
-do 'Op.eval'; print $@;
+do './Op.eval'; print $@;
# Test the singlequoted eval optimizer
my $x = 25;
eval <<'EOT'; die if $@;
- sub do_eval {
+ print "# $x\n"; # clone into eval's pad
+ sub do_eval1 {
eval $_[0]; die if $@;
}
EOT
-do_eval('print "ok $x\n"');
+do_eval1('print "ok $x\n"');
$x++;
-do_eval('eval q[print "ok $x\n"]');
+do_eval1('eval q[print "ok $x\n"]');
$x++;
-do_eval('sub { eval q[print "ok $x\n"] }->()');
+do_eval1('sub { print "# $x\n"; eval q[print "ok $x\n"] }->()');
+$x++;
+
+# calls from within eval'' should clone outer lexicals
+
+eval <<'EOT'; die if $@;
+ sub do_eval2 {
+ eval $_[0]; die if $@;
+ }
+do_eval2('print "ok $x\n"');
+$x++;
+do_eval2('eval q[print "ok $x\n"]');
+$x++;
+do_eval2('sub { print "# $x\n"; eval q[print "ok $x\n"] }->()');
+$x++;
+EOT
+
+# calls outside eval'' should NOT clone lexicals from called context
+
+$main::x = 'ok';
+eval <<'EOT'; die if $@;
+ # $x unbound here
+ sub do_eval3 {
+ eval $_[0]; die if $@;
+ }
+EOT
+do_eval3('print "$x ' . $x . '\n"');
+$x++;
+do_eval3('eval q[print "$x ' . $x . '\n"]');
+$x++;
+do_eval3('sub { eval q[print "$x ' . $x . '\n"] }->()');
$x++;
# can recursive subroutine-call inside eval'' see its own lexicals?
}
$x++;
+# Have we cured panic which occurred with require/eval in die handler ?
+$SIG{__DIE__} = sub { eval {1}; die shift };
+eval { die "ok ".$x++,"\n" };
+print $@;
+
+# does scalar eval"" pop stack correctly?
+{
+ my $c = eval "(1,2)x10";
+ print $c eq '2222222222' ? "ok $x\n" : "# $c\nnot ok $x\n";
+ $x++;
+}
+
+# return from eval {} should clear $@ correctly
+{
+ my $status = eval {
+ eval { die };
+ print "# eval { return } test\n";
+ return; # removing this changes behavior
+ };
+ print "not " if $@;
+ print "ok $x\n";
+ $x++;
+}
+
+# ditto for eval ""
+{
+ my $status = eval q{
+ eval q{ die };
+ print "# eval q{ return } test\n";
+ return; # removing this changes behavior
+ };
+ print "not " if $@;
+ print "ok $x\n";
+ $x++;
+}
+
+# Check that eval catches bad goto calls
+# (BUG ID 20010305.003)
+{
+ eval {
+ eval { goto foo; };
+ print ($@ ? "ok 41\n" : "not ok 41\n");
+ last;
+ foreach my $i (1) {
+ foo: print "not ok 41\n";
+ print "# jumped into foreach\n";
+ }
+ };
+ print "not ok 41\n" if $@;
+}
+
+# Make sure that "my $$x" is forbidden
+# 20011224 MJD
+{
+ eval q{my $$x};
+ print $@ ? "ok 42\n" : "not ok 42\n";
+ eval q{my @$x};
+ print $@ ? "ok 43\n" : "not ok 43\n";
+ eval q{my %$x};
+ print $@ ? "ok 44\n" : "not ok 44\n";
+ eval q{my $$$x};
+ print $@ ? "ok 45\n" : "not ok 45\n";
+}