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|
#!/usr/bin/perl -w
#
# Program: userloc.pl
#
# Synopsis: This program uses "cvs annotate" to get a summary of how many lines
# of code the various developres are responsible for. It takes one
# argument, the directory to process. If the argument is not specified
# then the cwd is used. The directory must be an LLVM tree checked out
# from cvs.
#
# Syntax: userloc.pl [-tag=tag|-html... <directory>...
#
# Options:
# -tag=tag
# Use "tag" to select the revision (as per cvs -r option)
# -filedetails
# Report details about lines of code in each file for each user
# -html
# Generate HTML output instead of text output
# -topdir
# Specify where the top llvm source directory is. Otherwise the
# llvm-config tool is used to find it.
# Directories:
# The directories passed after the options should be relative paths to
# directories of interest from the top of the llvm source tree, e.g. "lib"
# or "include", etc.
die "Usage userloc.pl [-tag=tag|-html] <directories>..."
if ($#ARGV < 0);
my $tag = "";
my $html = 0;
my $debug = 0;
my $filedetails = "";
my $srcroot = "";
while ( defined($ARGV[0]) && substr($ARGV[0],0,1) eq '-' )
{
if ($ARGV[0] =~ /-tag=.*/) {
$tag = $ARGV[0];
$tag =~ s#-tag=(.*)#$1#;
} elsif ($ARGV[0] =~ /-filedetails/) {
$filedetails = 1;
} elsif ($ARGV[0] eq "-html") {
$html = 1;
} elsif ($ARGV[0] eq "-debug") {
$debug = 1;
} elsif ($ARGV[0] eq "-topdir") {
shift; $srcroot = $ARGV[0]; shift;
} else {
die "Invalid option: $ARGV[0]";
}
shift;
}
if (length($srcroot) == 0) {
chomp($srcroot = `llvm-config --src-root`);
}
if (! -d "$srcroot") {
die "Invalid source root: $srcroot\n";
}
chdir($srcroot);
my $llvmdo = "$srcroot/utils/llvmdo -topdir '$srcroot'";
my %Stats;
my %FileStats;
my $annotate = "cvs -z6 annotate -lf ";
if (length($tag) > 0)
{
$annotate = $annotate . " -r" . $tag;
}
sub GetCVSFiles
{
my $d = $_[0];
my $files ="";
open FILELIST,
"$llvmdo -dirs \"$d\" -code-only echo |" || die "Can't get list of files with llvmdo";
while ( defined($line = <FILELIST>) ) {
chomp($file = $line);
print "File: $file\n" if ($debug);
$files = "$files $file";
}
return $files;
}
sub ScanDir
{
my $Dir = $_[0];
my $files = GetCVSFiles($Dir);
open (DATA,"$annotate $files 2>&1 |")
|| die "Can't read cvs annotation data";
my $curfile = "";
while ( defined($line = <DATA>) )
{
chomp($line);
if ($line =~ '^Annotations for.*') {
$curfile = $line;
$curfile =~ s#^Annotations for ([[:print:]]*)#$1#;
print "Scanning: $curfile\n" if ($debug);
} elsif ($line =~ /^[0-9.]*[ \t]*\([^)]*\):/) {
$uname = $line;
$uname =~ s#^[0-9.]*[ \t]*\(([a-zA-Z0-9_.-]*) [^)]*\):.*#$1#;
$Stats{$uname}++;
if ($filedetails) {
$FileStats{$uname} = {} unless exists $FileStats{$uname};
${$FileStats{$uname}}{$curfile}++;
}
}
}
close DATA;
}
sub printStats
{
my $dir = $_[0];
my $hash = $_[1];
my $user;
my $total = 0;
foreach $user (keys %Stats) { $total += $Stats{$user}; }
if ($html) {
print "<p>Total Source Lines: $total<br/></p>\n";
print "<table>";
print " <tr><th style=\"text-align:right\">LOC</th>\n";
print " <th style=\"text-align:right\">\%LOC</th>\n";
print " <th style=\"text-align:left\">User</th>\n";
print "</tr>\n";
}
foreach $user ( sort keys %Stats )
{
my $v = $Stats{$user};
if (defined($v))
{
if ($html) {
printf "<tr><td style=\"text-align:right\">%d</td><td style=\"text-align:right\">(%4.1f%%)</td><td style=\"text-align:left\">", $v, (100.0/$total)*$v;
if ($filedetails) {
print "<a href=\"#$user\">$user</a></td></tr>";
} else {
print $user,"</td></tr>";
}
} else {
printf "%8d (%4.1f%%) %s\n", $v, (100.0/$total)*$v, $user;
}
}
}
print "</table>\n" if ($html);
if ($filedetails) {
foreach $user (sort keys %FileStats) {
my $total = 0;
foreach $file (sort keys %{$FileStats{$user}}) {
$total += ${$FileStats{$user}}{$file}
}
if ($html) {
print "<table><tr><th style=\"text-align:left\" colspan=\"3\"><a name=\"$user\">$user</a></th></tr>\n";
} else {
print $user,":\n";
}
foreach $file (sort keys %{$FileStats{$user}}) {
my $v = ${$FileStats{$user}}{$file};
if ($html) {
printf "<tr><td style=\"text-align:right\"> %d</td><td
style=\"text-align:right\"> %4.1f%%</td><td
style=\"text-align:left\">%s</td></tr>",$v, (100.0/$total)*$v,$file;
} else {
printf "%8d (%4.1f%%) %s\n", $v, (100.0/$total)*$v, $file;
}
}
if ($html) { print "</table>\n"; }
}
}
}
if ($html)
{
print "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n";
print "<html>\n<head>\n";
print " <title>LLVM LOC Based On CVS Annotation</title>\n";
print " <link rel=\"stylesheet\" href=\"llvm.css\" type=\"text/css\"/>\n";
print "</head>\n";
print "<body><div class=\"doc_title\">LLVM LOC Based On CVS Annotation</div>\n";
print "<p>This document shows the total lines of code per user in each\n";
print "LLVM directory. Lines of code are attributed by the user that last\n";
print "committed the line. This does not necessarily reflect authorship.</p>\n";
}
my @DIRS;
if ($#ARGV > 0) {
@DIRS = @ARGV;
} else {
push @DIRS, 'include';
push @DIRS, 'lib';
push @DIRS, 'tools';
push @DIRS, 'runtime';
push @DIRS, 'docs';
push @DIRS, 'test';
push @DIRS, 'utils';
push @DIRS, 'examples';
push @DIRS, 'projects/Stacker';
push @DIRS, 'projects/sample';
push @DIRS, 'autoconf';
}
for $Index ( 0 .. $#DIRS) {
print "Scanning Dir: $DIRS[$Index]\n" if ($debug);
ScanDir($DIRS[$Index]);
}
printStats;
print "</body></html>\n" if ($html) ;
|
