kc3-lang/libtommath/dep.pl

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• Hash : e4e2da51
  Author :
  Date : 2019-01-15T16:56:08
  

  Merge pull request #148 from czurnieden/develop added new license and end-comment (cherry picked from commit 75bbbe5956b6f8cf93c6b41ba6ef7c3e56f9840d)

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• dep.pl

• #!/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 {$out} << 'EOS';
  #endif
  /* ref:         \$Format:\%D$ */
  /* git commit:  \$Format:\%H$ */
  /* commit time: \$Format:\%ai$ */
  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:         $Format:%D$ */
  /* git commit:  $Format:%H$ */
  /* commit time: $Format:%ai$ */
  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;
  }
  
  

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