nasm/misc/fmtinsns.pl

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927 B
Perl
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#!/usr/bin/perl
#
# Re-align the columns in insns.dat, and enforce case conventions
#
@cols = (0, 16, 48, 96);
while ($line = <STDIN>) {
chomp $line;
if ($line !~ /^\s*(\;.*|)$/) {
($ln = $line) =~ s/\s+$//;
if ($line =~ /^\s*(\S+)\s+(\S+)\s+(\S+|\[.*\])\s+(\S+)\s*$/) {
@fields = ($1, $2, $3, $4);
$fields[0] = "\U$fields[0]" unless ($fields[0] =~ /^[^a-z]+cc$/);
$fields[3] =~ s/\,+$//;
$fields[3] = "\U$fields[3]" unless ($fields[3] eq 'ignore');
$c = 0;
$line = '';
for ($i = 0; $i < scalar(@fields); $i++) {
if ($i > 0 && $c >= $cols[$i]) {
$line .= ' ';
$c++;
}
while ($c < $cols[$i]) {
$line .= "\t";
$c = ($c+8) & ~7;
}
$line .= $fields[$i];
for ($j = 0; $j < length($fields[$i]); $j++) {
if (substr($fields[$i], $j, 1) eq "\t") {
$c = ($c+8) & ~7;
} else {
$c++;
}
}
}
}
}
print $line, "\n";
}