annotate src/core.c/Failure.pm6 @ 0:c341f82e7ad7 default tip

Rakudo branch in cr.ie.u-ryukyu.ac.jp
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 26 Dec 2019 16:50:27 +0900
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 my class Failure is Nil {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
2 has $.exception;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
3 has $.backtrace;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
4 #?if !jvm
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
5 has int $!handled;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
6 #?endif
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
7 #?if jvm
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
8 has Int $!handled; # alas, native int breaks on the JVM
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
9 #?endif
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
10
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
11 method !SET-SELF($!exception) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 $!backtrace = $!exception.backtrace || Backtrace.new(3);
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
13 $!exception.reset-backtrace;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 self
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
15 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
16
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
17 multi method new(Failure:D:) { self!throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
18 multi method new(Failure:U:) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 my $stash := CALLER::LEXICAL::;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
20 my $payload = ($stash<$!>:exists && $stash<$!>.DEFINITE) ?? $stash<$!> !! "Failed";
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
21 nqp::create(self)!SET-SELF(
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
22 $payload ~~ Exception ?? $payload !! X::AdHoc.new(:$payload)
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
23 )
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
24 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
25 multi method new(Failure:U: Exception:D \exception) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
26 nqp::create(self)!SET-SELF(exception)
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
27 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
28 multi method new(Failure:U: $payload) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
29 nqp::create(self)!SET-SELF(X::AdHoc.new(:$payload))
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
30 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
31 multi method new(Failure:U: |cap (*@msg)) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
32 nqp::create(self)!SET-SELF(X::AdHoc.from-slurpy(|cap))
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
33 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
34
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
35 submethod DESTROY () {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
36 note "WARNING: unhandled Failure detected in DESTROY. If you meant "
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
37 ~ "to ignore it, you can mark it as handled by calling .Bool, "
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
38 ~ ".so, .not, or .defined methods. The Failure was:\n" ~ self.mess
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
39 unless $!handled;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
40 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
41
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
42 # allow Failures to throw when they replace an Iterable
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
43 multi method iterator(Failure:D:) { self!throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
44 multi method list(Failure:D:) { self!throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
45
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
46 # Marks the Failure has handled (since we're now fatalizing it) and throws.
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
47 method !throw(Failure:D:) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
48 $!handled = 1;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
49 $!exception.throw($!backtrace);
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
50 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
51
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
52 # Turns out multidimensional lookups are one way to leak unhandled failures, so
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
53 # we'll just propagate the initial failure much as we propagate Nil on methods.
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
54 method AT-POS(|) { self }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
55 method AT-KEY(|) { self }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
56
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
57 multi method defined(Failure:D: --> False) { $!handled = 1 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
58
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
59 multi method Bool(Failure:D: --> False) { $!handled = 1 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
60 method handled() is rw {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
61 Proxy.new(
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
62 FETCH => {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
63 #?if !jvm
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
64 nqp::hllbool($!handled)
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
65 #?endif
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
66 #?if jvm
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
67 $!handled.Bool
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
68 #?endif
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
69 },
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
70 STORE => -> $, $value { $!handled = $value.Bool.Numeric }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
71 )
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
72 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
73
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
74 method Capture() {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
75 self.DEFINITE.not || $!handled
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
76 ?? X::Cannot::Capture.new(what => self).throw
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
77 !! self!throw
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
78 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
79 method Int(Failure:D:) { $!handled ?? Int !! self!throw(); }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
80 method Num(Failure:D:) { $!handled ?? NaN !! self!throw(); }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
81 method Numeric(Failure:D:) { $!handled ?? NaN !! self!throw(); }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
82
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
83 method Set(Failure:D:) { $!handled ?? Set.new(self) !! self!throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
84 method SetHash(Failure:D:) { $!handled ?? SetHash.new(self) !! self!throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
85 method Bag(Failure:D:) { $!handled ?? Bag.new(self) !! self!throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
86 method BagHash(Failure:D:) { $!handled ?? BagHash.new(self) !! self!throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
87 method Mix(Failure:D:) { $!handled ?? Mix.new(self) !! self!throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
88 method MixHash(Failure:D:) { $!handled ?? MixHash.new(self) !! self!throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
89
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
90 multi method Str(Failure:D:) { $!handled ?? $.mess !! self!throw(); }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
91 multi method gist(Failure:D:) { $!handled ?? $.mess !! self!throw(); }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
92 multi method gist(Failure:U:) { '(' ~ self.^name ~ ')' }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
93 multi method perl(Failure:D:) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
94 $!handled ?? '&CORE::infix:<orelse>(' ~ self.Mu::perl ~ ', *.self)'
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
95 !! self.Mu::perl
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
96 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
97 multi method perl(Failure:U:) { self.^name }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
98 method mess (Failure:D:) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
99 my $message = (try self.exception.message) // self.exception.^name ~ ' with no message';
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
100 "(HANDLED) " x $!handled ~ "$message\n" ~ self.backtrace;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
101 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
102
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
103 method sink(Failure:D:) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
104 self!throw() unless $!handled
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
105 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
106 method self(Failure:D:) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
107 self!throw() unless $!handled;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
108 self
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
109 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
110 method CALL-ME(Failure:D: |) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
111 self!throw()
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
112 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
113 method FALLBACK(Failure:D: *@) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
114 self!throw()
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
115 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
116 method STORE(Failure:D: *@) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
117 self!throw()
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
118 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
119 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
120
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
121 proto sub fail(|) {*};
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
122 multi sub fail(--> Nil) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
123 my $stash := CALLER::LEXICAL::;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
124 my $payload = ($stash<$!>:exists && $stash<$!>.DEFINITE) ?? $stash<$!> !! "Failed";
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
125
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
126 my $fail := Failure.new( $payload ~~ Exception
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
127 ?? $payload !! X::AdHoc.new(:$payload));
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
128
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
129 nqp::throwpayloadlexcaller(nqp::const::CONTROL_RETURN, $fail);
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130 CATCH { $fail.exception.throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 multi sub fail(Exception:U $e --> Nil) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133 my $fail := Failure.new(
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 X::AdHoc.new(:payload("Failed with undefined " ~ $e.^name))
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 );
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 nqp::throwpayloadlexcaller(nqp::const::CONTROL_RETURN, $fail);
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 CATCH { $fail.exception.throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 multi sub fail($payload --> Nil) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 my $fail := Failure.new( $payload ~~ Exception
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 ?? $payload
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 !! X::AdHoc.new(:$payload)
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 );
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 nqp::throwpayloadlexcaller(nqp::const::CONTROL_RETURN, $fail);
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 CATCH { $fail.exception.throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 multi sub fail(|cap (*@msg) --> Nil) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148 my $fail := Failure.new(X::AdHoc.from-slurpy(|cap));
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 nqp::throwpayloadlexcaller(nqp::const::CONTROL_RETURN, $fail);
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 CATCH { $fail.exception.throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 multi sub fail(Failure:U $f --> Nil) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 my $fail := Failure.new(
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 X::AdHoc.new(:payload("Failed with undefined " ~ $f.^name))
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 );
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 nqp::throwpayloadlexcaller(nqp::const::CONTROL_RETURN, $fail);
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 CATCH { $fail.exception.throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 multi sub fail(Failure:D $fail --> Nil) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 $fail.handled = 0;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 nqp::throwpayloadlexcaller(nqp::const::CONTROL_RETURN, $fail);
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 CATCH { $fail.exception.throw }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 multi sub die(Failure:D $f --> Nil) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 $f.exception.throw
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 multi sub die(Failure:U $f --> Nil) {
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 X::AdHoc.new(:payload("Died with undefined " ~ $f.^name)).throw;
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 }
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171
c341f82e7ad7 Rakudo branch in cr.ie.u-ryukyu.ac.jp
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 # vim: ft=perl6 expandtab sw=4