Commit | Line | Data |
---|---|---|
7fa5bd9b FC |
1 | #!./perl |
2 | ||
bfce6a3e FC |
3 | # This script tests the inlining and prototype of CORE:: subs. Any generic |
4 | # tests that are not specific to &foo-style calls should go in this | |
5 | # file, too. | |
7fa5bd9b FC |
6 | |
7 | BEGIN { | |
8 | chdir 't' if -d 't'; | |
9 | @INC = qw(. ../lib); | |
10 | require "test.pl"; | |
47ac839d | 11 | skip_all_without_dynamic_extension('B'); |
7fa5bd9b FC |
12 | $^P |= 0x100; |
13 | } | |
7fa5bd9b | 14 | |
47ac839d FC |
15 | use B::Deparse; |
16 | my $bd = new B::Deparse '-p'; | |
7fa5bd9b | 17 | |
6c871ae8 FC |
18 | my %unsupported = map +($_=>1), qw ( |
19 | __DATA__ __END__ AUTOLOAD BEGIN UNITCHECK CORE DESTROY END INIT CHECK and | |
d51f8b19 | 20 | cmp default do dump else elsif eq eval for foreach |
498a02d8 | 21 | format ge given goto grep gt if last le local lt m map my ne next |
919ad5f7 | 22 | no or our package print printf q qq qr qw qx redo require |
46bef06f | 23 | return s say sort state sub tr unless until use |
6c871ae8 FC |
24 | when while x xor y |
25 | ); | |
47ac839d FC |
26 | my %args_for = ( |
27 | dbmopen => '%1,$2,$3', | |
a69823cd FC |
28 | (dbmclose => '%1', |
29 | keys => | |
30 | values => | |
31 | each =>)[0,1,2,1,3,1,4,1], | |
eb31eb35 | 32 | delete => '$1[2]', |
d51f8b19 | 33 | exists => '$1[2]', |
a69823cd FC |
34 | (push => '@1', |
35 | pop => | |
36 | shift => | |
37 | unshift => | |
38 | splice =>)[0,1,2,1,3,1,4,1,5,1], | |
46e00a91 | 39 | ); |
1efec5ed FC |
40 | my %desc = ( |
41 | pos => 'match position', | |
42 | ); | |
46e00a91 | 43 | |
47ac839d FC |
44 | use File::Spec::Functions; |
45 | my $keywords_file = catfile(updir,'regen','keywords.pl'); | |
46 | open my $kh, $keywords_file | |
47 | or die "$0 cannot open $keywords_file: $!"; | |
48 | while(<$kh>) { | |
49 | if (m?__END__?..${\0} and /^[+-]/) { | |
50 | chomp(my $word = $'); | |
6c871ae8 | 51 | if($unsupported{$word}) { |
47ac839d | 52 | $tests ++; |
9da346da | 53 | ok !defined &{"CORE::$word"}, "no CORE::$word"; |
46e00a91 | 54 | } |
47ac839d | 55 | else { |
9da346da FC |
56 | $tests += 4; |
57 | ||
58 | ok defined &{"CORE::$word"}, "defined &{'CORE::$word'}"; | |
47ac839d FC |
59 | |
60 | my $proto = prototype "CORE::$word"; | |
61 | *{"my$word"} = \&{"CORE::$word"}; | |
62 | is prototype \&{"my$word"}, $proto, "prototype of &CORE::$word"; | |
63 | ||
64 | CORE::state $protochar = qr/([^\\]|\\(?:[^[]|\[[^]]+\]))/; | |
65 | my $numargs = | |
d51f8b19 | 66 | $word eq 'delete' || $word eq 'exists' ? 1 : |
eb31eb35 | 67 | (() = $proto =~ s/;.*//r =~ /\G$protochar/g); |
47ac839d FC |
68 | my $code = |
69 | "#line 1 This-line-makes-__FILE__-easier-to-test. | |
70 | sub { () = (my$word(" | |
71 | . ($args_for{$word} || join ",", map "\$$_", 1..$numargs) | |
72 | . "))}"; | |
73 | my $core = $bd->coderef2text(eval $code =~ s/my/CORE::/r or die); | |
74 | my $my = $bd->coderef2text(eval $code or die); | |
75 | is $my, $core, "inlinability of CORE::$word with parens"; | |
76 | ||
77 | $code = | |
78 | "#line 1 This-line-makes-__FILE__-easier-to-test. | |
79 | sub { () = (my$word " | |
80 | . ($args_for{$word} || join ",", map "\$$_", 1..$numargs) | |
81 | . ")}"; | |
82 | $core = $bd->coderef2text(eval $code =~ s/my/CORE::/r or die); | |
83 | $my = $bd->coderef2text(eval $code or die); | |
84 | is $my, $core, "inlinability of CORE::$word without parens"; | |
85 | ||
86 | # High-precedence tests | |
87 | my $hpcode; | |
88 | if (!$proto && defined $proto) { # nullary | |
89 | $hpcode = "sub { () = my$word + 1 }"; | |
46e00a91 | 90 | } |
47ac839d FC |
91 | elsif ($proto =~ /^;?$protochar\z/) { # unary |
92 | $hpcode = "sub { () = my$word " | |
93 | . ($args_for{$word}||'$a') . ' > $b' | |
94 | .'}'; | |
95 | } | |
96 | if ($hpcode) { | |
97 | $tests ++; | |
98 | $core = $bd->coderef2text(eval $hpcode =~ s/my/CORE::/r or die); | |
99 | $my = $bd->coderef2text(eval $hpcode or die); | |
100 | is $my, $core, "precedence of CORE::$word without parens"; | |
46e00a91 | 101 | } |
93f0bc49 | 102 | |
47ac839d FC |
103 | next if ($proto =~ /\@/); |
104 | # These ops currently accept any number of args, despite their | |
105 | # prototypes, if they have any: | |
919ad5f7 FC |
106 | next if $word =~ /^(?:chom?p|exec|keys|each|not |
107 | |(?:prototyp|read(?:lin|pip))e | |
7d789282 | 108 | |reset|system|values|l?stat)|evalbytes/x; |
bf0571fd | 109 | |
bccb6c7b | 110 | $tests ++; |
47ac839d FC |
111 | $code = |
112 | "sub { () = (my$word(" | |
113 | . ( | |
114 | $args_for{$word} | |
115 | ? $args_for{$word}.',$7' | |
116 | : join ",", map "\$$_", 1..$numargs+5+( | |
117 | $proto =~ /;/ | |
118 | ? () = $' =~ /\G$protochar/g | |
119 | : 0 | |
120 | ) | |
121 | ) | |
122 | . "))}"; | |
123 | eval $code; | |
1efec5ed FC |
124 | my $desc = $desc{$word} || $word; |
125 | like $@, qr/^Too many arguments for $desc/, | |
47ac839d FC |
126 | "inlined CORE::$word with too many args" |
127 | or warn $code; | |
128 | ||
bccb6c7b FC |
129 | } |
130 | } | |
131 | } | |
7fa5bd9b | 132 | |
309aab3a FC |
133 | $tests++; |
134 | # This subroutine is outside the warnings scope: | |
135 | sub foo { goto &CORE::abs } | |
136 | use warnings; | |
137 | $SIG{__WARN__} = sub { like shift, qr\^Use of uninitialized\ }; | |
138 | foo(undef); | |
139 | ||
0f8d4b5e FC |
140 | $tests+=2; |
141 | is runperl(prog => 'print CORE->lc, qq-\n-'), "core\n", | |
142 | 'methods calls autovivify coresubs'; | |
143 | is runperl(prog => '@ISA=CORE; print main->uc, qq-\n-'), "MAIN\n", | |
144 | 'inherted method calls autovivify coresubs'; | |
145 | ||
83d52ea4 | 146 | { # RT #117607 |
83d52ea4 TC |
147 | $tests++; |
148 | like runperl(prog => '$foo/; \&CORE::lc', stderr => 1), | |
149 | qr/^syntax error/, "RT #117607: \\&CORE::foo doesn't crash in error context"; | |
150 | } | |
151 | ||
7e68c38b FC |
152 | $tests++; |
153 | ok eval { *CORE::exit = \42 }, | |
154 | '[rt.cpan.org #74289] *CORE::foo is not accidentally made read-only'; | |
155 | ||
5811c07e FC |
156 | @UNIVERSAL::ISA = CORE; |
157 | is "just another "->ucfirst . "perl hacker,\n"->ucfirst, | |
158 | "Just another Perl hacker,\n", 'coresubs do not return TARG'; | |
159 | ++$tests; | |
160 | ||
ab157fa5 | 161 | done_testing $tests; |
7fa5bd9b | 162 | |
47ac839d | 163 | CORE::__END__ |