1BEGIN { 2 chdir 't'; 3 require './test.pl'; 4 set_up_inc('../lib'); 5} 6 7plan 402; 8 9for my $decl (qw< my CORE::state our local >) { 10 for my $funny (qw< $ @ % >) { 11 # Test three syntaxes with each declarator/funny char combination: 12 # my \$foo my(\$foo) my\($foo) for my \$foo 13 14 for my $code("$decl \\${funny}x", "$decl\(\\${funny}x\)", 15 "$decl\\\(${funny}x\)", 16 "for $decl \\${funny}x (\\${funny}y) {}") { 17 SKIP: { 18 skip "for local is illegal", 3 if $code =~ /^for local/; 19 eval $code; 20 like 21 $@, 22 qr/^The experimental declared_refs feature is not enabled/, 23 "$code error when feature is disabled"; 24 25 use feature 'declared_refs'; 26 27 my($w,$c); 28 local $SIG{__WARN__} = sub { $c++; $w = shift }; 29 eval $code; 30 is $c, 1, "one warning from $code"; 31 like $w, qr/^Declaring references is experimental at /, 32 "experimental warning for $code"; 33 } 34 } 35 } 36} 37 38use feature 'declared_refs', 'state'; 39no warnings 'experimental::declared_refs'; 40 41for $decl ('my', 'state', 'our', 'local') { 42for $sigl ('$', '@', '%') { 43 # The weird code that follows uses ~ as a sigil placeholder and MY 44 # as a declarator placeholder. 45 my $code = '#line ' . (__LINE__+1) . ' ' . __FILE__ . "\n" . <<'END'; 46 my $ret = MY \~a; 47 is $ret, \~a, 'MY \$a returns ref to $a'; 48 isnt $ret, \~::a, 'MY \$a ret val is not pkg var'; 49 my @ret = MY \(~b, ~c); 50 is "@ret", \~b." ".\~c, 'MY \(~b, ~c) returns correct refs'; 51 isnt $ret[0], \~::b, 'first retval of MY \(~b, ~c) is not pkg var'; 52 isnt $ret[1], \~::c, '2nd retval of MY \(~b, ~c) is not pkg var'; 53 @ret = MY (\(~d, ~e)); 54 is "@ret", \~d." ".\~e, 'MY (\(~d, ~e)) returns correct refs'; 55 isnt $ret[0], \~::d, 'first retval of MY (\(~d, ~e)) is not pkg var'; 56 isnt $ret[1], \~::e, '2nd retval of MY (\(~d, ~e)) is not pkg var'; 57 @ret = \MY (\~f, ~g); 58 is ${$ret[0]}, \~f, 'first retval of MY (\~f, ~g) is \~f'; 59 isnt ${$ret[0]}, \~::f, 'first retval of MY (\~f, ~g) is not \~::f'; 60 is $ret[1], \~g, '2nd retval of MY (\~f, ~g) is ~g'; 61 isnt $ret[1], \~::g, '2nd retval of MY (\~f, ~g) is not ~::g'; 62 *MODIFY_SCALAR_ATTRIBUTES = sub { 63 is @_, 3, 'MY \~h : risible calls handler with right no. of args'; 64 is $_[2], 'risible', 'correct attr passed by MY \~h : risible'; 65 return; 66 }; 67 SKIP : { 68 unless ('MY' eq 'local') { 69 skip_if_miniperl "No attributes on miniperl", 2; 70 eval 'MY \~h : risible' or die $@ unless 'MY' eq 'local'; 71 } 72 } 73 eval 'MY \~a ** 1'; 74 like $@, 75 qr/^Can't (?:declare|modify) exponentiation \(\*\*\) in "?MY"? at/, 76 'comp error for MY \~a ** 1'; 77 $ret = MY \\~i; 78 is $$ret, \~i, 'retval of MY \\~i is ref to ref to ~i'; 79 $ret = MY \\~i; 80 isnt $$ret, \~::i, 'retval of MY \\~i is ref to ref to ~::i'; 81 $ret = MY (\\~i); 82 is $$ret, \~i, 'retval of MY (\\~i) is ref to ref to ~i'; 83 $ret = MY (\\~i); 84 isnt $$ret, \~::i, 'retval of MY (\\~i) is ref to ref to ~::i'; 85 *MODIFY_SCALAR_ATTRIBUTES = sub { 86 is @_, 3, 'MY (\~h) : bumpy calls handler with right no. of args'; 87 is $_[2], 'bumpy', 'correct attr passed by MY (\~h) : bumpy'; 88 return; 89 }; 90 SKIP : { 91 unless ('MY' eq 'local') { 92 skip_if_miniperl "No attributes on miniperl", 2; 93 eval 'MY (\~h) : bumpy' or die $@; 94 } 95 } 96 1; 97END 98 $code =~ s/MY/$decl/g; 99 $code =~ s/~/$sigl/g; 100 $code =~ s/MODIFY_\KSCALAR/$sigl eq '@' ? "ARRAY" : "HASH"/eggnog 101 if $sigl ne '$'; 102 if ($decl =~ /^(?:our|local)\z/) { 103 $code =~ s/is ?no?t/is/g; # tests for package vars 104 } 105 eval $code or die $@; 106}} 107 108use feature 'refaliasing'; no warnings "experimental::refaliasing"; 109for $decl ('my', 'state', 'our') { 110for $sigl ('$', '@', '%') { 111 my $code = '#line ' . (__LINE__+1) . ' ' . __FILE__ . "\n" . <<'ENE'; 112 for MY \~x (\~::y) { 113 is \~x, \~::y, '\~x aliased by for MY \~x'; 114 isnt \~x, \~::x, '\~x is not equivalent to \~::x'; 115 } 116 1; 117ENE 118 $code =~ s/MY/$decl/g; 119 $code =~ s/~/$sigl/g; 120 $code =~ s/is ?no?t/is/g if $decl eq 'our'; 121 eval $code or die $@; 122}} 123