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# Script to check hashtable sizes.
# Copyright 2002 Nikolas Zimmermann <[email protected]>
my $input = shift;
my $calcMode = 0;
# Check incoming arguments
if(length($input) > 0) {
$calcMode = $input;
} else {
print "Usage:\n";
print "perl check_hashtablesize.pl [0/1/2]\n\n";
print "Show...\n";
print "0) all hashtables of prototype definitions\n";
print "1) all hashtables of non-prototype definitions\n";
print "2) all hashtables of svg*constructor definitions\n";
exit(-1);
}
# Test if a number is prime or not
sub calcPrime
{
my $start = shift;
my $dividecount = 0;
for(my $i = $start - 1; $i > 0; --$i)
{
my $result = $start / $i;
if($result == int($result)) {
$dividecount++;
}
}
if($dividecount == 1) {
return 1;
} else {
return 0;
}
}
# Find the next prime number
sub findNextPrime
{
my $start = shift;
my $i = $start + 1;
my $found = 0;
while($found == 0)
{
if(calcPrime($i)) {
$found = 1;
} else {
$i++;
}
}
return $i;
}
# Common routine for calculating hashtable sizes
sub calcSize
{
my $calc = shift;
my $save = shift;
my $minus = shift;
my @temp = split(/\n/, $calc);
foreach(@temp) {
my $process = $_;
$process =~ s/\s+/ /g;
my @line = split(/ /, $process);
my $class = substr($line[1], 0, index($line[1], ":") - $minus);
$$save{$class} = $line[2];
}
}
# Go to impl dir
chdir "../impl";
# Global counters
my %counterwork;
my %counter1;
my %counter2;
my %counter3;
# Read hashtable size
my $readSize1 = `find -type f | xargs grep -I DontDelete | grep -v KSVG:: | grep Function`;
my $readSize2 = `find -type f | xargs grep -I DontDelete | grep -v KSVG:: | grep -v Function`;
my $readSize3 = `find -type f | xargs grep -I DontDelete | grep KSVG::`;
my @result1 = split(/.\//, $readSize1);
my @result2 = split(/.\//, $readSize2);
my @result3 = split(/.\//, $readSize3);
# Calculate hashtable size
# calcSize1 = print out all prototype hashtables
# calcSize2 = print out all non-prototype hashtables
# calcSize3 = print out all svg*constructors hashtables
my $calcSize1 = `find -type f | xargs grep -I s_hashTable | grep \@begin | grep -v generateddata | grep -v Constructor | grep -v Impl:: | grep -v Bridge::`;
my $calcSize2 = `find -type f | xargs grep -I s_hashTable | grep \@begin | grep -v generateddata | grep -v Constructor | grep -v Proto::`;
my $calcSize3 = `find -type f | xargs grep -I s_hashTable | grep \@begin | grep -v generateddata | grep Constructor`;
# Bring in suitable form
calcSize($calcSize1, \%counter1, 5);
calcSize($calcSize2, \%counter2, 0);
calcSize($calcSize3, \%counter3, 11);
# Helper
my $lastclass = "";
print "Classname\t\t\t\t'H.S. File'\t\t'H.S. Calculated'\tIs 'H.S. File' prime?\tDo they differ?\n";
print "-------------------------------------------------------------------------------------------------------------------------------\n";
my @useresult;
if($calcMode == 0) {
@useresult = @result1;
} elsif($calcMode == 1) {
@useresult = @result2;
} else {
@useresult = @result3;
}
foreach(@useresult) {
my $line = $_;
$line =~ s/\s+/ /g;
if($line ne "") {
my @middle = split(/ /, $line);
my $class = substr($middle[2], 0, index($middle[2], ":"));
# Special case for lists and svg*constructors
if($class eq "SVGListDefs" || $calcMode == 2)
{
my $temp = $middle[0];
if($calcMode != 2) {
$temp =~ s/.cc://;
$class = $temp;
} else {
$temp =~ s/.cc//;
$class = substr($temp, 0, index($temp, ":"));
}
}
if($class eq $lastclass) {
$counterwork{$class}++;
}
else {
$counterwork{$class} = 1;
if($lastclass ne "") {
my $len = length($lastclass);
my $string = $lastclass;
# Ugly hack with those numbers, anyone
# got a better idea?
if($len < 11) {
$string .= "\t\t\t\t\t";
} elsif($len < 16) {
$string .= "\t\t\t\t";
} elsif($len < 24) {
$string .= "\t\t\t";
} elsif($len < 32) {
$string .= "\t\t";
} else {
$string .= "\t";
}
my $combine;
if($calcMode == 0) {
$combine = $counter1{$lastclass};
} elsif($calcMode == 1) {
$combine = $counter2{$lastclass};
} else {
$combine = $counter3{$lastclass};
}
if($combine eq 0 || $combine eq "") {
$combine = "-";
}
$string .= $combine;
$string .= "\t\t\t";
# Find next prime
my $next = findNextPrime($counterwork{$lastclass});
$string .= $next;
$string .= "\t\t\t";
# Is 'H.S. File' a prime?
my $calc = calcPrime($combine);
if($calc == 0) {
$string .= "NO!";
} else {
$string .= "Yes";
}
$string .= "\t\t\t";
if($combine != $next) {
$string .= "YES!";
} else {
$string .= "No";
}
$string .= "\n";
print $string;
}
}
$lastclass = $class;
}
}
# Go back! :)
chdir "../scripts";
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