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[perl #123223] Make PADNAME a separate type
[perl5.git] / ext / B / t / showlex.t
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1#!./perl
2
3BEGIN {
74517a3a 4 unshift @INC, 't';
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5 require Config;
6 if (($Config::Config{'extensions'} !~ /\bB\b/) ){
7 print "1..0 # Skip -- Perl configured without B module\n";
8 exit 0;
9 }
5638aaac 10 require 'test.pl';
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11}
12
cc02ea56 13$| = 1;
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14use warnings;
15use strict;
16use Config;
cc02ea56 17use B::Showlex ();
87a42246 18
59910b6d 19plan tests => 15;
87a42246 20
cc02ea56 21my $verbose = @ARGV; # set if ANY ARGS
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22
23my $a;
24my $Is_VMS = $^O eq 'VMS';
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25
26my $path = join " ", map { qq["-I$_"] } @INC;
d0c1fe9a 27$path = '"-I../lib" "-Iperl_root:[lib]"' if $Is_VMS; # gets too long otherwise
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28my $is_thread = $Config{use5005threads} && $Config{use5005threads} eq 'define';
29
30if ($is_thread) {
cc02ea56 31 ok "# use5005threads: test skipped\n";
87a42246 32} else {
07a63b99 33 $a = `$^X $path "-MO=Showlex" -e "my \@one" 2>&1`;
0f94cb1f 34 like ($a, qr/undef.*: \([^)]*\) \@one.*Nullsv.*AV/s,
cc02ea56 35 "canonical usage works");
87a42246 36}
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37
38# v1.01 tests
39
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40my ($na,$nb,$nc); # holds regex-strs
41my ($out, $newlex); # output, option-flag
42
cc02ea56 43sub padrep {
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44 my ($varname,$newlex) = @_;
45 return ($newlex)
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46 ? '\(0x[0-9a-fA-F]+\) "\\'.$varname.'" = '
47 : "\\\(0x[0-9a-fA-F]+\\\) \\$varname\n";
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48}
49
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50for $newlex ('', '-newlex') {
51
52 $out = runperl ( switches => ["-MO=Showlex,$newlex"],
53 prog => 'my ($a,$b)', stderr => 1 );
54 $na = padrep('$a',$newlex);
55 $nb = padrep('$b',$newlex);
56 like ($out, qr/1: $na/ms, 'found $a in "my ($a,$b)"');
57 like ($out, qr/2: $nb/ms, 'found $b in "my ($a,$b)"');
cc02ea56 58
59910b6d 59 print $out if $verbose;
cc02ea56 60
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61SKIP: {
62 skip "no perlio in this build", 5
63 unless $Config::Config{useperlio};
64
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65 our $buf = 'arb startval';
66 my $ak = B::Showlex::walk_output (\$buf);
67
68 my $walker = B::Showlex::compile( $newlex, sub{my($foo,$bar)} );
69 $walker->();
70 $na = padrep('$foo',$newlex);
71 $nb = padrep('$bar',$newlex);
72 like ($buf, qr/1: $na/ms, 'found $foo in "sub { my ($foo,$bar) }"');
73 like ($buf, qr/2: $nb/ms, 'found $bar in "sub { my ($foo,$bar) }"');
74
75 print $buf if $verbose;
76
77 $ak = B::Showlex::walk_output (\$buf);
78
79 my $src = 'sub { my ($scalar,@arr,%hash) }';
80 my $sub = eval $src;
81 $walker = B::Showlex::compile($sub);
82 $walker->();
83 $na = padrep('$scalar',$newlex);
84 $nb = padrep('@arr',$newlex);
85 $nc = padrep('%hash',$newlex);
86 like ($buf, qr/1: $na/ms, 'found $scalar in "'. $src .'"');
87 like ($buf, qr/2: $nb/ms, 'found @arr in "'. $src .'"');
88 like ($buf, qr/3: $nc/ms, 'found %hash in "'. $src .'"');
89
90 print $buf if $verbose;
91
92 # fibonacci function under test
93 my $asub = sub {
94 my ($self,%props)=@_;
95 my $total;
96 { # inner block vars
97 my (@fib)=(1,2);
98 for (my $i=2; $i<10; $i++) {
99 $fib[$i] = $fib[$i-2] + $fib[$i-1];
100 }
101 for my $i(0..10) {
102 $total += $i;
103 }
cc02ea56 104 }
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105 };
106 $walker = B::Showlex::compile($asub, $newlex, -nosp);
107 $walker->();
108 print $buf if $verbose;
cc02ea56 109
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110 $walker = B::Concise::compile($asub, '-exec');
111 $walker->();
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112
113}
59910b6d 114}