forked from rakudo/rakudo
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Associative.pir
63 lines (49 loc) · 1.46 KB
/
Associative.pir
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
## $Id$
=head1 NAME
src/classes/Associative.pir - Associative Role
=head1 DESCRIPTION
Actually these days, Associative is defined in Perl 6 and this is
just a postcircumfix:<{ }> for non-Perl 6 types mapper.
=cut
=item !postcircumfix:<{ }>
Because foreign (non-Rakudo) Parrot objects generally won't
understand the "postcircumfix:<{ }>" method, we generate
postcircumfix as a private call to this function, and this
function then delegates to the appropriate method. In the
case we want a single value, then it just does the lookup;
otherwise, we rely on the method dispatches for the complex
cases looping back to here to get the one value.
=cut
.namespace []
.sub '!postcircumfix:<{ }>'
.param pmc invocant
.param pmc args :optional
.param int has_args :opt_flag
x_enter_sublog
$I0 = can invocant, 'postcircumfix:<{ }>'
if $I0 goto object_method
$I0 = isa invocant, 'Mu'
if $I0 goto object_method
foreign:
$P0 = get_hll_global ['Associative[::T]'], 'postcircumfix:<{ }>'
unless has_args goto foreign_zen
$P1 = invocant.$P0(args)
.return ($P1)
foreign_zen:
$P1 = invocant.$P0()
.return ($P1)
object_method:
unless has_args goto object_zen
$P1 = invocant.'postcircumfix:<{ }>'(args)
.return ($P1)
object_zen:
$P1 = invocant.'postcircumfix:<{ }>'()
.return ($P1)
.end
=back
=cut
# Local Variables:
# mode: pir
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4 ft=pir: