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124 lines
3.0 KiB
Perl
124 lines
3.0 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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my %deplist;
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#open class file and write preamble
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open(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 $apply = 0;
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open(SRC, "<$filename");
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open(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 $filename (glob "bn*.c") {
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open(SRC, "<$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")) {
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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} = $list;
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print CLASS "#endif\n\n";
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close SRC;
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}
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print CLASS "#ifdef LTM3\n#define LTM_LAST\n#endif\n#include <tommath_superclass.h>\n#include <tommath_class.h>\n#else\n#define LTM_LAST\n#endif\n";
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close CLASS;
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#now let's make a cool call graph...
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open(OUT,">callgraph.txt");
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$indent = 0;
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foreach (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 ($indent >= 1) { print OUT "| " x ($indent - 1) . "+--->"; }
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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{$i});
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--$indent;
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}
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$list = $temp;
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}
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