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-rw-r--r--libtommath/dep.pl123
1 files changed, 123 insertions, 0 deletions
diff --git a/libtommath/dep.pl b/libtommath/dep.pl
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+++ b/libtommath/dep.pl
@@ -0,0 +1,123 @@
+#!/usr/bin/perl
+#
+# Walk through source, add labels and make classes
+#
+#use strict;
+
+my %deplist;
+
+#open class file and write preamble
+open(CLASS, ">tommath_class.h") or die "Couldn't open tommath_class.h for writing\n";
+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";
+
+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 "#define $define\n";
+
+ # now copy text and apply #ifdef as required
+ my $apply = 0;
+ open(SRC, "<$filename");
+ open(OUT, ">tmp");
+
+ # first line will be the #ifdef
+ my $line = <SRC>;
+ if ($line =~ /include/) {
+ print OUT $line;
+ } else {
+ print OUT "#include <tommath.h>\n#ifdef $define\n$line";
+ $apply = 1;
+ }
+ while (<SRC>) {
+ if (!($_ =~ /tommath\.h/)) {
+ print OUT $_;
+ }
+ }
+ if ($apply == 1) {
+ print OUT "#endif\n";
+ }
+ close SRC;
+ close OUT;
+
+ unlink($filename);
+ rename("tmp", $filename);
+}
+print CLASS "#endif\n\n";
+
+# now do classes
+
+foreach my $filename (glob "bn*.c") {
+ open(SRC, "<$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]/;
+ $filename =~ tr/\./_/;
+
+ print CLASS "#if defined($filename)\n";
+ 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")) {
+ my $a = $&;
+ $a =~ tr/[a-z]/[A-Z]/;
+ $a = "BN_" . $a . "_C";
+ if (!($list =~ /$a/)) {
+ print CLASS " #define $a\n";
+ }
+ $list = $list . "," . $a;
+ }
+ }
+ }
+ @deplist{$filename} = $list;
+
+ print CLASS "#endif\n\n";
+ close SRC;
+}
+
+print CLASS "#ifdef LTM3\n#define LTM_LAST\n#endif\n#include <tommath_superclass.h>\n#include <tommath_class.h>\n#else\n#define LTM_LAST\n#endif\n";
+close CLASS;
+
+#now let's make a cool call graph...
+
+open(OUT,">callgraph.txt");
+$indent = 0;
+foreach (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{$i});
+ --$indent;
+ }
+ $list = $temp;
+}
+
+