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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
#!./perl
# This script tests the inlining and prototype of CORE:: subs. Any generic
# tests that are not specific to &foo-style calls should go in this
# file, too.
BEGIN {
chdir 't' if -d 't';
@INC = qw(. ../lib);
require "test.pl";
skip_all_without_dynamic_extension('B');
$^P |= 0x100;
}
use B::Deparse;
my $bd = new B::Deparse '-p';
my %unsupported = map +($_=>1), qw (
__DATA__ __END__ AUTOLOAD BEGIN UNITCHECK CORE DESTROY END INIT CHECK and
cmp default do dump else elsif eq eval for foreach
format ge given goto grep gt if last le local lt m map my ne next
no or our package print printf q qq qr qw qx redo require
return s say sort split state study sub tr undef unless until use
when while x xor y
);
my %args_for = (
dbmopen => '%1,$2,$3',
dbmclose => '%1',
delete => '$1[2]',
exists => '$1[2]',
);
my %desc = (
pos => 'match position',
);
use File::Spec::Functions;
my $keywords_file = catfile(updir,'regen','keywords.pl');
open my $kh, $keywords_file
or die "$0 cannot open $keywords_file: $!";
while(<$kh>) {
if (m?__END__?..${\0} and /^[+-]/) {
chomp(my $word = $');
if($unsupported{$word}) {
$tests ++;
ok !defined &{"CORE::$word"}, "no CORE::$word";
}
else {
$tests += 4;
ok defined &{"CORE::$word"}, "defined &{'CORE::$word'}";
my $proto = prototype "CORE::$word";
*{"my$word"} = \&{"CORE::$word"};
is prototype \&{"my$word"}, $proto, "prototype of &CORE::$word";
CORE::state $protochar = qr/([^\\]|\\(?:[^[]|\[[^]]+\]))/;
my $numargs =
$word eq 'delete' || $word eq 'exists' ? 1 :
(() = $proto =~ s/;.*//r =~ /\G$protochar/g);
my $code =
"#line 1 This-line-makes-__FILE__-easier-to-test.
sub { () = (my$word("
. ($args_for{$word} || join ",", map "\$$_", 1..$numargs)
. "))}";
my $core = $bd->coderef2text(eval $code =~ s/my/CORE::/r or die);
my $my = $bd->coderef2text(eval $code or die);
is $my, $core, "inlinability of CORE::$word with parens";
$code =
"#line 1 This-line-makes-__FILE__-easier-to-test.
sub { () = (my$word "
. ($args_for{$word} || join ",", map "\$$_", 1..$numargs)
. ")}";
$core = $bd->coderef2text(eval $code =~ s/my/CORE::/r or die);
$my = $bd->coderef2text(eval $code or die);
is $my, $core, "inlinability of CORE::$word without parens";
# High-precedence tests
my $hpcode;
if (!$proto && defined $proto) { # nullary
$hpcode = "sub { () = my$word + 1 }";
}
elsif ($proto =~ /^;?$protochar\z/) { # unary
$hpcode = "sub { () = my$word "
. ($args_for{$word}||'$a') . ' > $b'
.'}';
}
if ($hpcode) {
$tests ++;
$core = $bd->coderef2text(eval $hpcode =~ s/my/CORE::/r or die);
$my = $bd->coderef2text(eval $hpcode or die);
is $my, $core, "precedence of CORE::$word without parens";
}
next if ($proto =~ /\@/);
# These ops currently accept any number of args, despite their
# prototypes, if they have any:
next if $word =~ /^(?:chom?p|exec|keys|each|not
|(?:prototyp|read(?:lin|pip))e
|reset|system|values|l?stat)|evalbytes/x;
$tests ++;
$code =
"sub { () = (my$word("
. (
$args_for{$word}
? $args_for{$word}.',$7'
: join ",", map "\$$_", 1..$numargs+5+(
$proto =~ /;/
? () = $' =~ /\G$protochar/g
: 0
)
)
. "))}";
eval $code;
my $desc = $desc{$word} || $word;
like $@, qr/^Too many arguments for $desc/,
"inlined CORE::$word with too many args"
or warn $code;
}
}
}
$tests++;
# This subroutine is outside the warnings scope:
sub foo { goto &CORE::abs }
use warnings;
$SIG{__WARN__} = sub { like shift, qr\^Use of uninitialized\ };
foo(undef);
$tests+=2;
is runperl(prog => 'print CORE->lc, qq-\n-'), "core\n",
'methods calls autovivify coresubs';
is runperl(prog => '@ISA=CORE; print main->uc, qq-\n-'), "MAIN\n",
'inherted method calls autovivify coresubs';
$tests++;
ok eval { *CORE::exit = \42 },
'[rt.cpan.org #74289] *CORE::foo is not accidentally made read-only';
@UNIVERSAL::ISA = CORE;
is "just another "->ucfirst . "perl hacker,\n"->ucfirst,
"Just another Perl hacker,\n", 'coresubs do not return TARG';
++$tests;
done_testing $tests;
CORE::__END__
|
