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128 lines
3.1 KiB
Perl
128 lines
3.1 KiB
Perl
#!/usr/bin/perl
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#
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# Walk through source, add labels and make classes
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#
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use strict;
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use warnings;
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my %deplist;
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#open class file and write preamble
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open(my $class, '>', 'tommath_class.h') or die "Couldn't open tommath_class.h for writing\n";
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print {$class} "#if !(defined(LTM1) && defined(LTM2) && defined(LTM3))\n#if defined(LTM2)\n#define LTM3\n#endif\n#if defined(LTM1)\n#define LTM2\n#endif\n#define LTM1\n\n#if defined(LTM_ALL)\n";
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foreach my $filename (glob 'bn*.c') {
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my $define = $filename;
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print "Processing $filename\n";
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# convert filename to upper case so we can use it as a define
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$define =~ tr/[a-z]/[A-Z]/;
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$define =~ tr/\./_/;
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print {$class} "#define $define\n";
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# now copy text and apply #ifdef as required
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my $apply = 0;
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open(my $src, '<', $filename);
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open(my $out, '>', 'tmp');
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# first line will be the #ifdef
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my $line = <$src>;
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if ($line =~ /include/) {
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print {$out} $line;
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} else {
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print {$out} "#include <tommath.h>\n#ifdef $define\n$line";
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$apply = 1;
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}
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while (<$src>) {
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if (!($_ =~ /tommath\.h/)) {
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print {$out} $_;
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}
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}
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if ($apply == 1) {
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print {$out} "#endif\n";
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}
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close $src;
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close $out;
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unlink $filename;
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rename 'tmp', $filename;
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}
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print {$class} "#endif\n\n";
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# now do classes
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foreach my $filename (glob 'bn*.c') {
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open(my $src, '<', $filename) or die "Can't open source file!\n";
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# convert filename to upper case so we can use it as a define
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$filename =~ tr/[a-z]/[A-Z]/;
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$filename =~ tr/\./_/;
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print {$class} "#if defined($filename)\n";
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my $list = $filename;
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# scan for mp_* and make classes
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while (<$src>) {
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my $line = $_;
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while ($line =~ m/(fast_)*(s_)*mp\_[a-z_0-9]*/) {
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$line = $';
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# now $& is the match, we want to skip over LTM keywords like
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# mp_int, mp_word, mp_digit
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if (!($& eq 'mp_digit') && !($& eq 'mp_word') && !($& eq 'mp_int') && !($& eq 'mp_min_u32')) {
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my $a = $&;
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$a =~ tr/[a-z]/[A-Z]/;
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$a = 'BN_' . $a . '_C';
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if (!($list =~ /$a/)) {
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print {$class} " #define $a\n";
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}
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$list = $list . ',' . $a;
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}
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}
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}
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$deplist{$filename} = $list;
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print {$class} "#endif\n\n";
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close $src;
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}
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print {$class} "#ifdef LTM3\n#define LTM_LAST\n#endif\n#include <tommath_superclass.h>\n#include <tommath_class.h>\n#else\n#define LTM_LAST\n#endif\n";
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close $class;
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#now let's make a cool call graph...
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open(my $out, '>', 'callgraph.txt');
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my $indent = 0;
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my $list;
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foreach (sort keys %deplist) {
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$list = '';
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draw_func($deplist{$_});
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print {$out} "\n\n";
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}
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close $out;
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sub draw_func
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{
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my @funcs = split ',', $_[0];
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if ($list =~ /$funcs[0]/) {
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return;
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} else {
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$list = $list . $funcs[0];
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}
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if ($indent == 0) {
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} elsif ($indent >= 1) {
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print {$out} '| ' x ($indent - 1) . '+--->';
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}
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print {$out} $funcs[0] . "\n";
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shift @funcs;
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my $temp = $list;
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foreach my $i (@funcs) {
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++$indent;
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draw_func($deplist{$i}) if exists $deplist{$i};
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--$indent;
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}
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$list = $temp;
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return;
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}
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