483 lines
16 KiB
Perl
Executable File
483 lines
16 KiB
Perl
Executable File
#!/usr/bin/env perl
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use strict;
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use warnings;
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use Getopt::Long;
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use File::Find 'find';
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use File::Basename 'basename';
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use File::Glob 'bsd_glob';
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sub read_file {
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my $f = shift;
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open my $fh, "<", $f or die "FATAL: read_rawfile() cannot open file '$f': $!";
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binmode $fh;
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return do { local $/; <$fh> };
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}
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sub write_file {
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my ($f, $data) = @_;
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die "FATAL: write_file() no data" unless defined $data;
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open my $fh, ">", $f or die "FATAL: write_file() cannot open file '$f': $!";
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binmode $fh;
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print $fh $data or die "FATAL: write_file() cannot write to '$f': $!";
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close $fh or die "FATAL: write_file() cannot close '$f': $!";
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return;
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}
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sub sanitize_comments {
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my($content) = @_;
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$content =~ s{/\*(.*?)\*/}{my $x=$1; $x =~ s/\w/x/g; "/*$x*/";}egs;
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return $content;
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}
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sub check_source {
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my @all_files = (
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bsd_glob("makefile*"),
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bsd_glob("*.{h,c,sh,pl}"),
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bsd_glob("*/*.{h,c,sh,pl}"),
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);
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my $fails = 0;
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for my $file (sort @all_files) {
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my $troubles = {};
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my $lineno = 1;
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my $content = read_file($file);
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$content = sanitize_comments $content;
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push @{$troubles->{crlf_line_end}}, '?' if $content =~ /\r/;
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for my $l (split /\n/, $content) {
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push @{$troubles->{merge_conflict}}, $lineno if $l =~ /^(<<<<<<<|=======|>>>>>>>)([^<=>]|$)/;
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push @{$troubles->{trailing_space}}, $lineno if $l =~ / $/;
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push @{$troubles->{tab}}, $lineno if $l =~ /\t/ && basename($file) !~ /^makefile/i;
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push @{$troubles->{non_ascii_char}}, $lineno if $l =~ /[^[:ascii:]]/;
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push @{$troubles->{cpp_comment}}, $lineno if $file =~ /\.(c|h)$/ && ($l =~ /\s\/\// || $l =~ /\/\/\s/);
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# we prefer using XMALLOC, XFREE, XREALLOC, XCALLOC ...
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push @{$troubles->{unwanted_malloc}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmalloc\s*\(/;
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push @{$troubles->{unwanted_realloc}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\brealloc\s*\(/;
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push @{$troubles->{unwanted_calloc}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bcalloc\s*\(/;
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push @{$troubles->{unwanted_free}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bfree\s*\(/;
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# and we probably want to also avoid the following
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push @{$troubles->{unwanted_memcpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcpy\s*\(/;
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push @{$troubles->{unwanted_memset}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemset\s*\(/;
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push @{$troubles->{unwanted_memcpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcpy\s*\(/;
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push @{$troubles->{unwanted_memmove}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemmove\s*\(/;
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push @{$troubles->{unwanted_memcmp}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bmemcmp\s*\(/;
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push @{$troubles->{unwanted_strcmp}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrcmp\s*\(/;
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push @{$troubles->{unwanted_strcpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrcpy\s*\(/;
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push @{$troubles->{unwanted_strncpy}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bstrncpy\s*\(/;
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push @{$troubles->{unwanted_clock}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bclock\s*\(/;
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push @{$troubles->{unwanted_qsort}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bqsort\s*\(/;
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push @{$troubles->{sizeof_no_brackets}}, $lineno if $file =~ /^[^\/]+\.c$/ && $l =~ /\bsizeof\s*[^\(]/;
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if ($file =~ m|^[^\/]+\.c$| && $l =~ /^static(\s+[a-zA-Z0-9_]+)+\s+([a-zA-Z0-9_]+)\s*\(/) {
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my $funcname = $2;
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# static functions should start with s_
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push @{$troubles->{staticfunc_name}}, "$lineno($funcname)" if $funcname !~ /^s_/;
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}
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$lineno++;
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}
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for my $k (sort keys %$troubles) {
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warn "[$k] $file line:" . join(",", @{$troubles->{$k}}) . "\n";
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$fails++;
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}
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}
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warn( $fails > 0 ? "check-source: FAIL $fails\n" : "check-source: PASS\n" );
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return $fails;
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}
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sub check_comments {
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my $fails = 0;
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my $first_comment = <<'MARKER';
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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MARKER
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#my @all_files = (bsd_glob("*.{h,c}"), bsd_glob("*/*.{h,c}"));
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my @all_files = (bsd_glob("*.{h,c}"));
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for my $f (@all_files) {
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my $txt = read_file($f);
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if ($txt !~ /\Q$first_comment\E/s) {
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warn "[first_comment] $f\n";
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$fails++;
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}
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}
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warn( $fails > 0 ? "check-comments: FAIL $fails\n" : "check-comments: PASS\n" );
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return $fails;
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}
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sub check_doc {
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my $fails = 0;
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my $tex = read_file('doc/bn.tex');
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my $tmh = read_file('tommath.h');
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my @functions = $tmh =~ /\n\s*[a-zA-Z0-9_* ]+?(mp_[a-z0-9_]+)\s*\([^\)]+\)\s*;/sg;
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my @macros = $tmh =~ /\n\s*#define\s+([a-z0-9_]+)\s*\([^\)]+\)/sg;
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for my $n (sort @functions) {
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(my $nn = $n) =~ s/_/\\_/g; # mp_sub_d >> mp\_sub\_d
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if ($tex !~ /index\Q{$nn}\E/) {
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warn "[missing_doc_for_function] $n\n";
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$fails++
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}
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}
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for my $n (sort @macros) {
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(my $nn = $n) =~ s/_/\\_/g; # mp_iszero >> mp\_iszero
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if ($tex !~ /index\Q{$nn}\E/) {
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warn "[missing_doc_for_macro] $n\n";
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$fails++
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}
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}
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warn( $fails > 0 ? "check_doc: FAIL $fails\n" : "check-doc: PASS\n" );
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return $fails;
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}
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sub prepare_variable {
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my ($varname, @list) = @_;
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my $output = "$varname=";
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my $len = length($output);
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foreach my $obj (sort @list) {
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$len = $len + length $obj;
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$obj =~ s/\*/\$/;
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if ($len > 100) {
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$output .= "\\\n";
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$len = length $obj;
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}
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$output .= $obj . ' ';
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}
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$output =~ s/ $//;
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return $output;
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}
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sub prepare_msvc_files_xml {
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my ($all, $exclude_re, $targets) = @_;
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my $last = [];
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my $depth = 2;
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# sort files in the same order as visual studio (ugly, I know)
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my @parts = ();
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for my $orig (@$all) {
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my $p = $orig;
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$p =~ s|/|/~|g;
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$p =~ s|/~([^/]+)$|/$1|g;
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my @l = map { sprintf "% -99s", $_ } split /\//, $p;
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push @parts, [ $orig, join(':', @l) ];
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}
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my @sorted = map { $_->[0] } sort { $a->[1] cmp $b->[1] } @parts;
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my $files = "<Files>\r\n";
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for my $full (@sorted) {
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my @items = split /\//, $full; # split by '/'
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$full =~ s|/|\\|g; # replace '/' bt '\'
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shift @items; # drop first one (src)
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pop @items; # drop last one (filename.ext)
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my $current = \@items;
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if (join(':', @$current) ne join(':', @$last)) {
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my $common = 0;
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$common++ while ($last->[$common] && $current->[$common] && $last->[$common] eq $current->[$common]);
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my $back = @$last - $common;
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if ($back > 0) {
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$files .= ("\t" x --$depth) . "</Filter>\r\n" for (1..$back);
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}
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my $fwd = [ @$current ]; splice(@$fwd, 0, $common);
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for my $i (0..scalar(@$fwd) - 1) {
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$files .= ("\t" x $depth) . "<Filter\r\n";
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$files .= ("\t" x $depth) . "\tName=\"$fwd->[$i]\"\r\n";
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$files .= ("\t" x $depth) . "\t>\r\n";
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$depth++;
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}
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$last = $current;
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}
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$files .= ("\t" x $depth) . "<File\r\n";
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$files .= ("\t" x $depth) . "\tRelativePath=\"$full\"\r\n";
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$files .= ("\t" x $depth) . "\t>\r\n";
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if ($full =~ $exclude_re) {
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for (@$targets) {
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$files .= ("\t" x $depth) . "\t<FileConfiguration\r\n";
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$files .= ("\t" x $depth) . "\t\tName=\"$_\"\r\n";
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$files .= ("\t" x $depth) . "\t\tExcludedFromBuild=\"true\"\r\n";
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$files .= ("\t" x $depth) . "\t\t>\r\n";
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$files .= ("\t" x $depth) . "\t\t<Tool\r\n";
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$files .= ("\t" x $depth) . "\t\t\tName=\"VCCLCompilerTool\"\r\n";
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$files .= ("\t" x $depth) . "\t\t\tAdditionalIncludeDirectories=\"\"\r\n";
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$files .= ("\t" x $depth) . "\t\t\tPreprocessorDefinitions=\"\"\r\n";
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$files .= ("\t" x $depth) . "\t\t/>\r\n";
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$files .= ("\t" x $depth) . "\t</FileConfiguration>\r\n";
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}
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}
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$files .= ("\t" x $depth) . "</File>\r\n";
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}
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$files .= ("\t" x --$depth) . "</Filter>\r\n" for (@$last);
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$files .= "\t</Files>";
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return $files;
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}
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sub patch_file {
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my ($content, @variables) = @_;
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for my $v (@variables) {
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if ($v =~ /^([A-Z0-9_]+)\s*=.*$/si) {
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my $name = $1;
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$content =~ s/\n\Q$name\E\b.*?[^\\]\n/\n$v\n/s;
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}
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else {
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die "patch_file failed: " . substr($v, 0, 30) . "..";
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}
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}
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return $content;
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}
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sub process_makefiles {
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my $write = shift;
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my $changed_count = 0;
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my @o = map { my $x = $_; $x =~ s/\.c$/.o/; $x } bsd_glob("*.c");
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my @all = bsd_glob("*.{c,h}");
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my $var_o = prepare_variable("OBJECTS", @o);
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(my $var_obj = $var_o) =~ s/\.o\b/.obj/sg;
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# update MSVC project files
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my $msvc_files = prepare_msvc_files_xml(\@all, qr/NOT_USED_HERE/, ['Debug|Win32', 'Release|Win32', 'Debug|x64', 'Release|x64']);
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for my $m (qw/libtommath_VS2008.vcproj/) {
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my $old = read_file($m);
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my $new = $old;
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$new =~ s|<Files>.*</Files>|$msvc_files|s;
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if ($old ne $new) {
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write_file($m, $new) if $write;
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warn "changed: $m\n";
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$changed_count++;
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}
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}
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# update OBJECTS + HEADERS in makefile*
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for my $m (qw/ makefile makefile.shared makefile_include.mk makefile.msvc makefile.unix makefile.mingw /) {
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my $old = read_file($m);
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my $new = $m eq 'makefile.msvc' ? patch_file($old, $var_obj)
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: patch_file($old, $var_o);
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if ($old ne $new) {
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write_file($m, $new) if $write;
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warn "changed: $m\n";
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$changed_count++;
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}
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}
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if ($write) {
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return 0; # no failures
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}
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else {
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warn( $changed_count > 0 ? "check-makefiles: FAIL $changed_count\n" : "check-makefiles: PASS\n" );
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return $changed_count;
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}
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}
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sub draw_func
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{
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my ($deplist, $depmap, $out, $indent, $funcslist) = @_;
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my @funcs = split ',', $funcslist;
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# try this if you want to have a look at a minimized version of the callgraph without all the trivial functions
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#if ($deplist =~ /$funcs[0]/ || $funcs[0] =~ /BN_MP_(ADD|SUB|CLEAR|CLEAR_\S+|DIV|MUL|COPY|ZERO|GROW|CLAMP|INIT|INIT_\S+|SET|ABS|CMP|CMP_D|EXCH)_C/) {
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if ($deplist =~ /$funcs[0]/) {
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return $deplist;
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} else {
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$deplist = $deplist . $funcs[0];
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}
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if ($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 $olddeplist = $deplist;
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foreach my $i (@funcs) {
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$deplist = draw_func($deplist, $depmap, $out, $indent + 1, ${$depmap}{$i}) if exists ${$depmap}{$i};
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}
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return $olddeplist;
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}
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sub update_dep
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{
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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} << 'EOS';
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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#if !(defined(LTM1) && defined(LTM2) && defined(LTM3))
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#define LTM_INSIDE
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#if defined(LTM2)
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# define LTM3
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#endif
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#if defined(LTM1)
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# define LTM2
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#endif
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#define LTM1
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#if defined(LTM_ALL)
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EOS
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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} << "EOS";
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#include "tommath_private.h"
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#ifdef $define
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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$line
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EOS
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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#endif\n";
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# now do classes
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my %depmap;
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foreach my $filename (glob 'bn*.c') {
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my $content;
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if ($filename =~ "bn_deprecated.c") {
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open(my $src, '<', $filename) or die "Can't open source file!\n";
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read $src, $content, -s $src;
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close $src;
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} else {
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my $cc = $ENV{'CC'} || 'gcc';
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$content = `$cc -E -x c -DLTM_ALL $filename`;
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$content =~ s/^# 1 "$filename".*?^# 2 "$filename"//ms;
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}
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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 = $filename;
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# strip comments
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$content =~ s{/\*.*?\*/}{}gs;
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# scan for mp_* and make classes
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my @deps = ();
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foreach my $line (split /\n/, $content) {
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while ($line =~ /(fast_)?(s_)?mp\_[a-z_0-9]*((?=\;)|(?=\())|(?<=\()mp\_[a-z_0-9]*(?=\()/g) {
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my $a = $&;
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next if $a eq "mp_err";
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$a =~ tr/[a-z]/[A-Z]/;
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$a = 'BN_' . $a . '_C';
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push @deps, $a;
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}
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}
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@deps = sort(@deps);
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foreach my $a (@deps) {
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if ($list !~ /$a/) {
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print {$class} "# define $a\n";
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}
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$list = $list . ',' . $a;
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}
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$depmap{$filename} = $list;
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print {$class} "#endif\n\n";
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}
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print {$class} << 'EOS';
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#ifdef LTM_INSIDE
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#undef LTM_INSIDE
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#ifdef LTM3
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# define LTM_LAST
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#endif
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#include "tommath_superclass.h"
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#include "tommath_class.h"
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#else
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# define LTM_LAST
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#endif
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EOS
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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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|
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;
|