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|
#!/usr/bin/perl
#
# Walk through source, add labels and make classes
#
use strict;
use warnings;
my %deplist;
#open class file and write preamble
open(my $class, '>', 'tommath_class.h') or die "Couldn't open tommath_class.h for writing\n";
print {$class} << 'EOS';
/* LibTomMath, multiple-precision integer library -- Tom St Denis
*
* LibTomMath is a library that provides multiple-precision
* integer arithmetic as well as number theoretic functionality.
*
* The library was designed directly after the MPI library by
* Michael Fromberger but has been written from scratch with
* additional optimizations in place.
*
* SPDX-License-Identifier: Unlicense
*/
#if !(defined(LTM1) && defined(LTM2) && defined(LTM3))
#if defined(LTM2)
# define LTM3
#endif
#if defined(LTM1)
# define LTM2
#endif
#define LTM1
#if defined(LTM_ALL)
EOS
foreach my $filename (glob 'bn*.c') {
my $define = $filename;
print "Processing $filename\n";
# convert filename to upper case so we can use it as a define
$define =~ tr/[a-z]/[A-Z]/;
$define =~ tr/\./_/;
print {$class} << "EOS";
# define $define
EOS
# now copy text and apply #ifdef as required
my $apply = 0;
open(my $src, '<', $filename);
open(my $out, '>', 'tmp');
# first line will be the #ifdef
my $line = <$src>;
if ($line =~ /include/) {
print {$out} $line;
} else {
print {$out} << "EOS";
#include "tommath_private.h"
#ifdef $define
/* LibTomMath, multiple-precision integer library -- Tom St Denis
*
* LibTomMath is a library that provides multiple-precision
* integer arithmetic as well as number theoretic functionality.
*
* The library was designed directly after the MPI library by
* Michael Fromberger but has been written from scratch with
* additional optimizations in place.
*
* SPDX-License-Identifier: Unlicense
*/
$line
EOS
$apply = 1;
}
while (<$src>) {
if (!($_ =~ /tommath\.h/)) {
print {$out} $_;
}
}
if ($apply == 1) {
print {$out} << 'EOS';
#endif
/* ref: \\HEAD -> master, tag: v1.1.0 */
/* git commit: \\08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
/* commit time: \\2019-01-28 20:32:32 +0100 */
EOS
}
close $src;
close $out;
unlink $filename;
rename 'tmp', $filename;
}
print {$class} << 'EOS';
#endif
EOS
# now do classes
foreach my $filename (glob 'bn*.c') {
open(my $src, '<', $filename) or die "Can't open source file!\n";
# convert filename to upper case so we can use it as a define
$filename =~ tr/[a-z]/[A-Z]/;
$filename =~ tr/\./_/;
print {$class} << "EOS";
#if defined($filename)
EOS
my $list = $filename;
# scan for mp_* and make classes
while (<$src>) {
my $line = $_;
while ($line =~ m/(fast_)*(s_)*mp\_[a-z_0-9]*/) {
$line = $';
# now $& is the match, we want to skip over LTM keywords like
# mp_int, mp_word, mp_digit
if (!($& eq 'mp_digit') && !($& eq 'mp_word') && !($& eq 'mp_int') && !($& eq 'mp_min_u32')) {
my $a = $&;
$a =~ tr/[a-z]/[A-Z]/;
$a = 'BN_' . $a . '_C';
if (!($list =~ /$a/)) {
print {$class} << "EOS";
# define $a
EOS
}
$list = $list . ',' . $a;
}
}
}
$deplist{$filename} = $list;
print {$class} << 'EOS';
#endif
EOS
close $src;
}
print {$class} << 'EOS';
#ifdef LTM3
# define LTM_LAST
#endif
#include <tommath_superclass.h>
#include <tommath_class.h>
#else
# define LTM_LAST
#endif
/* ref: HEAD -> master, tag: v1.1.0 */
/* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
/* commit time: 2019-01-28 20:32:32 +0100 */
EOS
close $class;
#now let's make a cool call graph...
open(my $out, '>', 'callgraph.txt');
my $indent = 0;
my $list;
foreach (sort keys %deplist) {
$list = '';
draw_func($deplist{$_});
print {$out} "\n\n";
}
close $out;
sub draw_func
{
my @funcs = split ',', $_[0];
if ($list =~ /$funcs[0]/) {
return;
} else {
$list = $list . $funcs[0];
}
if ($indent == 0) {
} elsif ($indent >= 1) {
print {$out} '| ' x ($indent - 1) . '+--->';
}
print {$out} $funcs[0] . "\n";
shift @funcs;
my $temp = $list;
foreach my $i (@funcs) {
++$indent;
draw_func($deplist{$i}) if exists $deplist{$i};
--$indent;
}
$list = $temp;
return;
}
|
