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-rwxr-xr-xlibtommath/helper.pl469
1 files changed, 469 insertions, 0 deletions
diff --git a/libtommath/helper.pl b/libtommath/helper.pl
new file mode 100755
index 0000000..2f06165
--- /dev/null
+++ b/libtommath/helper.pl
@@ -0,0 +1,469 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+use Getopt::Long;
+use File::Find 'find';
+use File::Basename 'basename';
+use File::Glob 'bsd_glob';
+
+sub read_file {
+ my $f = shift;
+ open my $fh, "<", $f or die "FATAL: read_rawfile() cannot open file '$f': $!";
+ binmode $fh;
+ return do { local $/; <$fh> };
+}
+
+sub write_file {
+ my ($f, $data) = @_;
+ die "FATAL: write_file() no data" unless defined $data;
+ open my $fh, ">", $f or die "FATAL: write_file() cannot open file '$f': $!";
+ binmode $fh;
+ print $fh $data or die "FATAL: write_file() cannot write to '$f': $!";
+ close $fh or die "FATAL: write_file() cannot close '$f': $!";
+ return;
+}
+
+sub sanitize_comments {
+ my($content) = @_;
+ $content =~ s{/\*(.*?)\*/}{my $x=$1; $x =~ s/\w/x/g; "/*$x*/";}egs;
+ return $content;
+}
+
+sub check_source {
+ my @all_files = (
+ bsd_glob("Makefile*"),
+ bsd_glob("*.{h,c,sh,pl}"),
+ bsd_glob("*/*.{h,c,sh,pl}"),
+ );
+
+ my $fails = 0;
+ for my $file (sort @all_files) {
+ my $troubles = {};
+ my $lineno = 1;
+ my $content = read_file($file);
+ $content = sanitize_comments $content;
+ push @{$troubles->{crlf_line_end}}, '?' if $content =~ /\r/;
+ for my $l (split /\n/, $content) {
+ push @{$troubles->{merge_conflict}}, $lineno if $l =~ /^(<<<<<<<|=======|>>>>>>>)([^<=>]|$)/;
+ push @{$troubles->{trailing_space}}, $lineno if $l =~ / $/;
+ push @{$troubles->{tab}}, $lineno if $l =~ /\t/ && basename($file) !~ /^makefile/i;
+ push @{$troubles->{non_ascii_char}}, $lineno if $l =~ /[^[:ascii:]]/;
+ push @{$troubles->{cpp_comment}}, $lineno if $file =~ /\.(c|h)$/ && ($l =~ /\s\/\// || $l =~ /\/\/\s/);
+ # we prefer using XMALLOC, XFREE, XREALLOC, XCALLOC ...
+ push @{$troubles->{unwanted_malloc}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmalloc\s*\(/;
+ push @{$troubles->{unwanted_realloc}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\brealloc\s*\(/;
+ push @{$troubles->{unwanted_calloc}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bcalloc\s*\(/;
+ push @{$troubles->{unwanted_free}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bfree\s*\(/;
+ # and we probably want to also avoid the following
+ push @{$troubles->{unwanted_memcpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcpy\s*\(/;
+ push @{$troubles->{unwanted_memset}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemset\s*\(/;
+ push @{$troubles->{unwanted_memcpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcpy\s*\(/;
+ push @{$troubles->{unwanted_memmove}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemmove\s*\(/;
+ push @{$troubles->{unwanted_memcmp}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcmp\s*\(/;
+ push @{$troubles->{unwanted_strcmp}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrcmp\s*\(/;
+ push @{$troubles->{unwanted_strcpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrcpy\s*\(/;
+ push @{$troubles->{unwanted_strncpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrncpy\s*\(/;
+ push @{$troubles->{unwanted_clock}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bclock\s*\(/;
+ push @{$troubles->{unwanted_qsort}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bqsort\s*\(/;
+ push @{$troubles->{sizeof_no_brackets}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bsizeof\s*[^\(]/;
+ if ($file =~ m|^[^\/]+\.c$| && $l =~ /^static(\s+[a-zA-Z0-9_]+)+\s+([a-zA-Z0-9_]+)\s*\(/) {
+ my $funcname = $2;
+ # static functions should start with s_
+ push @{$troubles->{staticfunc_name}}, "$lineno($funcname)" if $funcname !~ /^s_/;
+ }
+ $lineno++;
+ }
+ for my $k (sort keys %$troubles) {
+ warn "[$k] $file line:" . join(",", @{$troubles->{$k}}) . "\n";
+ $fails++;
+ }
+ }
+
+ warn( $fails > 0 ? "check-source: FAIL $fails\n" : "check-source: PASS\n" );
+ return $fails;
+}
+
+sub check_comments {
+ my $fails = 0;
+ my $first_comment = <<'MARKER';
+/* LibTomMath, multiple-precision integer library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+MARKER
+ #my @all_files = (bsd_glob("*.{h,c}"), bsd_glob("*/*.{h,c}"));
+ my @all_files = (bsd_glob("*.{h,c}"));
+ for my $f (@all_files) {
+ my $txt = read_file($f);
+ if ($txt !~ /\Q$first_comment\E/s) {
+ warn "[first_comment] $f\n";
+ $fails++;
+ }
+ }
+ warn( $fails > 0 ? "check-comments: FAIL $fails\n" : "check-comments: PASS\n" );
+ return $fails;
+}
+
+sub check_doc {
+ my $fails = 0;
+ my $tex = read_file('doc/bn.tex');
+ my $tmh = read_file('tommath.h');
+ my @functions = $tmh =~ /\n\s*[a-zA-Z0-9_* ]+?(mp_[a-z0-9_]+)\s*\([^\)]+\)\s*;/sg;
+ my @macros = $tmh =~ /\n\s*#define\s+([a-z0-9_]+)\s*\([^\)]+\)/sg;
+ for my $n (sort @functions) {
+ (my $nn = $n) =~ s/_/\\_/g; # mp_sub_d >> mp\_sub\_d
+ if ($tex !~ /index\Q{$nn}\E/) {
+ warn "[missing_doc_for_function] $n\n";
+ $fails++
+ }
+ }
+ for my $n (sort @macros) {
+ (my $nn = $n) =~ s/_/\\_/g; # mp_iszero >> mp\_iszero
+ if ($tex !~ /index\Q{$nn}\E/) {
+ warn "[missing_doc_for_macro] $n\n";
+ $fails++
+ }
+ }
+ warn( $fails > 0 ? "check_doc: FAIL $fails\n" : "check-doc: PASS\n" );
+ return $fails;
+}
+
+sub prepare_variable {
+ my ($varname, @list) = @_;
+ my $output = "$varname=";
+ my $len = length($output);
+ foreach my $obj (sort @list) {
+ $len = $len + length $obj;
+ $obj =~ s/\*/\$/;
+ if ($len > 100) {
+ $output .= "\\\n";
+ $len = length $obj;
+ }
+ $output .= $obj . ' ';
+ }
+ $output =~ s/ $//;
+ return $output;
+}
+
+sub prepare_msvc_files_xml {
+ my ($all, $exclude_re, $targets) = @_;
+ my $last = [];
+ my $depth = 2;
+
+ # sort files in the same order as visual studio (ugly, I know)
+ my @parts = ();
+ for my $orig (@$all) {
+ my $p = $orig;
+ $p =~ s|/|/~|g;
+ $p =~ s|/~([^/]+)$|/$1|g;
+ my @l = map { sprintf "% -99s", $_ } split /\//, $p;
+ push @parts, [ $orig, join(':', @l) ];
+ }
+ my @sorted = map { $_->[0] } sort { $a->[1] cmp $b->[1] } @parts;
+
+ my $files = "<Files>\r\n";
+ for my $full (@sorted) {
+ my @items = split /\//, $full; # split by '/'
+ $full =~ s|/|\\|g; # replace '/' bt '\'
+ shift @items; # drop first one (src)
+ pop @items; # drop last one (filename.ext)
+ my $current = \@items;
+ if (join(':', @$current) ne join(':', @$last)) {
+ my $common = 0;
+ $common++ while ($last->[$common] && $current->[$common] && $last->[$common] eq $current->[$common]);
+ my $back = @$last - $common;
+ if ($back > 0) {
+ $files .= ("\t" x --$depth) . "</Filter>\r\n" for (1..$back);
+ }
+ my $fwd = [ @$current ]; splice(@$fwd, 0, $common);
+ for my $i (0..scalar(@$fwd) - 1) {
+ $files .= ("\t" x $depth) . "<Filter\r\n";
+ $files .= ("\t" x $depth) . "\tName=\"$fwd->[$i]\"\r\n";
+ $files .= ("\t" x $depth) . "\t>\r\n";
+ $depth++;
+ }
+ $last = $current;
+ }
+ $files .= ("\t" x $depth) . "<File\r\n";
+ $files .= ("\t" x $depth) . "\tRelativePath=\"$full\"\r\n";
+ $files .= ("\t" x $depth) . "\t>\r\n";
+ if ($full =~ $exclude_re) {
+ for (@$targets) {
+ $files .= ("\t" x $depth) . "\t<FileConfiguration\r\n";
+ $files .= ("\t" x $depth) . "\t\tName=\"$_\"\r\n";
+ $files .= ("\t" x $depth) . "\t\tExcludedFromBuild=\"true\"\r\n";
+ $files .= ("\t" x $depth) . "\t\t>\r\n";
+ $files .= ("\t" x $depth) . "\t\t<Tool\r\n";
+ $files .= ("\t" x $depth) . "\t\t\tName=\"VCCLCompilerTool\"\r\n";
+ $files .= ("\t" x $depth) . "\t\t\tAdditionalIncludeDirectories=\"\"\r\n";
+ $files .= ("\t" x $depth) . "\t\t\tPreprocessorDefinitions=\"\"\r\n";
+ $files .= ("\t" x $depth) . "\t\t/>\r\n";
+ $files .= ("\t" x $depth) . "\t</FileConfiguration>\r\n";
+ }
+ }
+ $files .= ("\t" x $depth) . "</File>\r\n";
+ }
+ $files .= ("\t" x --$depth) . "</Filter>\r\n" for (@$last);
+ $files .= "\t</Files>";
+ return $files;
+}
+
+sub patch_file {
+ my ($content, @variables) = @_;
+ for my $v (@variables) {
+ if ($v =~ /^([A-Z0-9_]+)\s*=.*$/si) {
+ my $name = $1;
+ $content =~ s/\n\Q$name\E\b.*?[^\\]\n/\n$v\n/s;
+ }
+ else {
+ die "patch_file failed: " . substr($v, 0, 30) . "..";
+ }
+ }
+ return $content;
+}
+
+sub process_makefiles {
+ my $write = shift;
+ my $changed_count = 0;
+ my @o = map { my $x = $_; $x =~ s/\.c$/.o/; $x } bsd_glob("*.c");
+ my @all = bsd_glob("*.{c,h}");
+
+ my $var_o = prepare_variable("OBJECTS", @o);
+ (my $var_obj = $var_o) =~ s/\.o\b/.obj/sg;
+
+ # update OBJECTS + HEADERS in makefile*
+ for my $m (qw/ Makefile.in /) {
+ my $old = read_file($m);
+ my $new = $m eq 'makefile.msvc' ? patch_file($old, $var_obj)
+ : patch_file($old, $var_o);
+ if ($old ne $new) {
+ write_file($m, $new) if $write;
+ warn "changed: $m\n";
+ $changed_count++;
+ }
+ }
+
+ if ($write) {
+ return 0; # no failures
+ }
+ else {
+ warn( $changed_count > 0 ? "check-makefiles: FAIL $changed_count\n" : "check-makefiles: PASS\n" );
+ return $changed_count;
+ }
+}
+
+sub draw_func
+{
+ my ($deplist, $depmap, $out, $indent, $funcslist) = @_;
+ my @funcs = split ',', $funcslist;
+ # try this if you want to have a look at a minimized version of the callgraph without all the trivial functions
+ #if ($deplist =~ /$funcs[0]/ || $funcs[0] =~ /BN_MP_(ADD|SUB|CLEAR|CLEAR_\S+|DIV|MUL|COPY|ZERO|GROW|CLAMP|INIT|INIT_\S+|SET|ABS|CMP|CMP_D|EXCH)_C/) {
+ if ($deplist =~ /$funcs[0]/) {
+ return $deplist;
+ } else {
+ $deplist = $deplist . $funcs[0];
+ }
+ if ($indent == 0) {
+ } elsif ($indent >= 1) {
+ print {$out} '| ' x ($indent - 1) . '+--->';
+ }
+ print {$out} $funcs[0] . "\n";
+ shift @funcs;
+ my $olddeplist = $deplist;
+ foreach my $i (@funcs) {
+ $deplist = draw_func($deplist, $depmap, $out, $indent + 1, ${$depmap}{$i}) if exists ${$depmap}{$i};
+ }
+ return $olddeplist;
+}
+
+sub update_dep
+{
+ #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 */
+/* SPDX-License-Identifier: Unlicense */
+
+#if !(defined(LTM1) && defined(LTM2) && defined(LTM3))
+#define LTM_INSIDE
+#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} "# define $define\n";
+
+ # 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 $define
+/* LibTomMath, multiple-precision integer library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+$line
+EOS
+ $apply = 1;
+ }
+ while (<$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#endif\n";
+
+ # now do classes
+ my %depmap;
+ foreach my $filename (glob 'bn*.c') {
+ my $content;
+ if ($filename =~ "bn_deprecated.c") {
+ open(my $src, '<', $filename) or die "Can't open source file!\n";
+ read $src, $content, -s $src;
+ close $src;
+ } else {
+ my $cc = $ENV{'CC'} || 'gcc';
+ $content = `$cc -E -x c -DLTM_ALL $filename`;
+ $content =~ s/^# 1 "$filename".*?^# 2 "$filename"//ms;
+ }
+
+ # 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;
+
+ # strip comments
+ $content =~ s{/\*.*?\*/}{}gs;
+
+ # scan for mp_* and make classes
+ my @deps = ();
+ foreach my $line (split /\n/, $content) {
+ while ($line =~ /(fast_)?(s_)?mp\_[a-z_0-9]*((?=\;)|(?=\())|(?<=\()mp\_[a-z_0-9]*(?=\()/g) {
+ my $a = $&;
+ next if $a eq "mp_err";
+ $a =~ tr/[a-z]/[A-Z]/;
+ $a = 'BN_' . $a . '_C';
+ push @deps, $a;
+ }
+ }
+ @deps = sort(@deps);
+ foreach my $a (@deps) {
+ if ($list !~ /$a/) {
+ print {$class} "# define $a\n";
+ }
+ $list = $list . ',' . $a;
+ }
+ $depmap{$filename} = $list;
+
+ print {$class} "#endif\n\n";
+ }
+
+ print {$class} << 'EOS';
+#ifdef LTM_INSIDE
+#undef LTM_INSIDE
+#ifdef LTM3
+# define LTM_LAST
+#endif
+
+#include "tommath_superclass.h"
+#include "tommath_class.h"
+#else
+# define LTM_LAST
+#endif
+EOS
+ close $class;
+
+ #now let's make a cool call graph...
+
+ open(my $out, '>', 'callgraph.txt');
+ foreach (sort keys %depmap) {
+ draw_func("", \%depmap, $out, 0, $depmap{$_});
+ print {$out} "\n\n";
+ }
+ close $out;
+
+ return 0;
+}
+
+sub generate_def {
+ my @files = split /\n/, `git ls-files`;
+ @files = grep(/\.c/, @files);
+ @files = map { my $x = $_; $x =~ s/^bn_|\.c$//g; $x; } @files;
+ @files = grep(!/mp_radix_smap/, @files);
+
+ push(@files, qw(mp_set_int mp_set_long mp_set_long_long mp_get_int mp_get_long mp_get_long_long mp_init_set_int));
+
+ my $files = join("\n ", sort(grep(/^mp_/, @files)));
+ write_file "tommath.def", "; libtommath
+;
+; Use this command to produce a 32-bit .lib file, for use in any MSVC version
+; lib -machine:X86 -name:libtommath.dll -def:tommath.def -out:tommath.lib
+; Use this command to produce a 64-bit .lib file, for use in any MSVC version
+; lib -machine:X64 -name:libtommath.dll -def:tommath.def -out:tommath.lib
+;
+EXPORTS
+ $files
+";
+ return 0;
+}
+
+sub die_usage {
+ die <<"MARKER";
+usage: $0 -s OR $0 --check-source
+ $0 -o OR $0 --check-comments
+ $0 -m OR $0 --check-makefiles
+ $0 -a OR $0 --check-all
+ $0 -u OR $0 --update-files
+MARKER
+}
+
+GetOptions( "s|check-source" => \my $check_source,
+ "o|check-comments" => \my $check_comments,
+ "m|check-makefiles" => \my $check_makefiles,
+ "d|check-doc" => \my $check_doc,
+ "a|check-all" => \my $check_all,
+ "u|update-files" => \my $update_files,
+ "h|help" => \my $help
+ ) or die_usage;
+
+my $failure;
+$failure ||= check_source() if $check_all || $check_source;
+$failure ||= check_comments() if $check_all || $check_comments;
+$failure ||= check_doc() if $check_doc; # temporarily excluded from --check-all
+$failure ||= process_makefiles(0) if $check_all || $check_makefiles;
+$failure ||= process_makefiles(1) if $update_files;
+$failure ||= update_dep() if $update_files;
+$failure ||= generate_def() if $update_files;
+
+die_usage unless defined $failure;
+exit $failure ? 1 : 0;
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