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|
#!/usr/bin/perl -w
use strict;
{
if ($#ARGV > -1 && $ARGV[0] eq "-h") {
print STDERR "usage: $0 [-h]\n";
print STDERR " builds the dependency tree of f90 files - run from the QE root directory\n";
print STDERR " html page with links written to standard output\n";
exit 0;
}
my $basedir = $0;
# Orig: the following is the directory where this script is
# $basedir =~ s/(.*)\/.*/$1/;
# the following works only if we run the script from QE root
$basedir = "./";
my @sources = split(/ /, `echo $basedir/*/*.f90 $basedir/*/*/*.f90`);
# grab program, function and subroutine declarations
my (%place, %fname, %pname, %sname);
foreach my $file (@sources)
{
open(IN, "$file");
while (<IN>)
{
$_ = "\L$_"; # cast everything to lowercase
if (/^[^!'""']*\bfunction\s+(\w+)/o && ! /^\s*end\s+function\b/o)
{
$fname{$1} = 1;
insert_place(\%place, $1, $file);
}
elsif (/^\s*program\s+(\w+)/o)
{
$pname{$1} = 1;
insert_place(\%place, $1, $file);
}
elsif (/^\s*(?:(?:pure|recursive)\s+)?subroutine\s+(\w+)/o)
{
$sname{$1} = 1;
insert_place(\%place, $1, $file);
}
}
close(IN);
}
my @targets = sort keys %place;
my @programs = sort keys %pname;
my @functions = sort keys %fname;
# html preamble
print "<html>\n";
print "<body>\n";
print "\n";
# list of programs
print "<dl>\n";
print " <dt>list of programs:</dt>\n";
print " <dd><p>\n";
foreach my $program (@programs)
{
print " <a href=\"#$program\">$program</a>\n";
}
print " </p></dd>\n";
print "</dl>\n";
print "\n";
# list of all routines
print "<dl>\n";
foreach my $name (@targets)
{
print " <dt><a name=\"$name\">";
if (defined $pname{$name})
{
print "program ";
}
elsif (defined $sname{$name})
{
print "subroutine ";
}
elsif (defined $fname{$name})
{
print "function ";
}
print "$name</a></dt>\n";
my %cname;
my @files = split(/ /, $place{$name});
foreach my $file (@files)
{
print " <dd><p>defined in file: $file<br>\n";
print " calls:\n";
my $current = "";
open(IN, $file);
while (<IN>)
{
$_ = "\L$_";
if (/^\s*program\s+(\w+)/o)
{
$current = "$1";
}
elsif (/^\s*(?:(?:pure|recursive)\s+)?subroutine\s+(\w+)/o)
{
$current = "$1";
}
elsif (/^[^!'""']*\bfunction\s+(\w+)/o)
{
$current = "$1";
}
# here we are inside the relevant program/subroutine/function
elsif ($current eq $name)
{
# subroutine calls
if (/^\s*call\s+(\w+)/o)
{
$cname{$1} = 1;
}
# function calls
foreach my $fun (@functions)
{
if ($fun ne $name && /^[^!'""']*\b$fun\b/)
{
$cname{$fun} = 1;
}
}
}
}
close(IN);
my @calls = sort keys %cname;
foreach my $call (@calls)
{
print " <a href=\"#$call\">$call</a>\n";
}
print " </p></dd>\n";
}
}
print "</dl>\n";
# html postamble
print "\n";
print "</body>\n";
print "</html>\n";
}
sub insert_place
{
my ($place, $name, $file) = @_;
if (defined $$place{$name})
{
$$place{$name} = "$$place{$name} $file";
}
else
{
$$place{$name} = "$file";
}
}
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