a2d/res/stats.pl

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Perl
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#!/usr/bin/env perl
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# stats.pl < source.s -- dump stats
# stats.pl unscoped < source.s -- list Lxxxx symbols not within 2 scopes
# stats.pl single < source.s -- list Lxxxx symbols with no references
use strict;
use warnings;
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my $command = shift(@ARGV) // "";
my %defs;
my %refs;
my %unscoped;
my $depth = 0;
while (<STDIN>) {
++$depth if m/\.proc/ || m/\.scope/;
--$depth if m/\.endproc/ || m/\.endscope/;
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if (m/^(L[0-9A-F]{4}):(.*)/) {
my $def = $1;
$_ = $2;
$defs{$def} = ($defs{$def} // 0) + 1;
$unscoped{$def} = 1 if $depth < 2;
}
foreach my $term (split /(?<!::)\b/, $_) {
if ($term =~ /^L[0-9A-F]{4}$/) {
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$refs{$term} = 0 unless defined $refs{$term};
$refs{$term} += 1;
}
}
}
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my $unrefed = 0;
foreach my $def (keys %defs) {
++$unrefed unless defined $refs{$def};
}
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my $defs = scalar(keys %defs);
my $unscoped = scalar(keys %unscoped);
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my $scoped = $defs - $unscoped;
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if ($command eq "unscoped") {
foreach my $def (sort keys %unscoped) {
print "$def\n";
}
} elsif ($command eq "unrefed") {
foreach my $def (sort keys %defs) {
print "$def\n" unless defined $refs{$def};
}
} elsif ($command eq "") {
print "unscoped: $unscoped scoped: $scoped unrefed: $unrefed\n";
} else {
die "Unknown command: $command\n";
}