+sub seed_camelcase_file {
+ my ($file) = @_;
+
+ return if (!(-f $file));
+
+ local $/;
+
+ open(my $include_file, '<', "$file")
+ or warn "$P: Can't read '$file' $!\n";
+ my $text = <$include_file>;
+ close($include_file);
+
+ my @lines = split('\n', $text);
+
+ foreach my $line (@lines) {
+ next if ($line !~ /(?:[A-Z][a-z]|[a-z][A-Z])/);
+ if ($line =~ /^[ \t]*(?:#[ \t]*define|typedef\s+$Type)\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)/) {
+ $camelcase{$1} = 1;
+ } elsif ($line =~ /^\s*$Declare\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)\s*[\(\[,;]/) {
+ $camelcase{$1} = 1;
+ } elsif ($line =~ /^\s*(?:union|struct|enum)\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)\s*[;\{]/) {
+ $camelcase{$1} = 1;
+ }
+ }
+}
+
+my $camelcase_seeded = 0;
+sub seed_camelcase_includes {
+ return if ($camelcase_seeded);
+
+ my $files;
+ my $camelcase_cache = "";
+ my @include_files = ();
+
+ $camelcase_seeded = 1;
+
+ if (-e ".git") {
+ my $git_last_include_commit = `git log --no-merges --pretty=format:"%h%n" -1 -- include`;
+ chomp $git_last_include_commit;
+ $camelcase_cache = ".checkpatch-camelcase.git.$git_last_include_commit";
+ } else {
+ my $last_mod_date = 0;
+ $files = `find $root/include -name "*.h"`;
+ @include_files = split('\n', $files);
+ foreach my $file (@include_files) {
+ my $date = POSIX::strftime("%Y%m%d%H%M",
+ localtime((stat $file)[9]));
+ $last_mod_date = $date if ($last_mod_date < $date);
+ }
+ $camelcase_cache = ".checkpatch-camelcase.date.$last_mod_date";
+ }
+
+ if ($camelcase_cache ne "" && -f $camelcase_cache) {
+ open(my $camelcase_file, '<', "$camelcase_cache")
+ or warn "$P: Can't read '$camelcase_cache' $!\n";
+ while (<$camelcase_file>) {
+ chomp;
+ $camelcase{$_} = 1;
+ }
+ close($camelcase_file);
+
+ return;
+ }
+
+ if (-e ".git") {
+ $files = `git ls-files "include/*.h"`;
+ @include_files = split('\n', $files);
+ }
+
+ foreach my $file (@include_files) {
+ seed_camelcase_file($file);
+ }
+
+ if ($camelcase_cache ne "") {
+ unlink glob ".checkpatch-camelcase.*";
+ open(my $camelcase_file, '>', "$camelcase_cache")
+ or warn "$P: Can't write '$camelcase_cache' $!\n";
+ foreach (sort { lc($a) cmp lc($b) } keys(%camelcase)) {
+ print $camelcase_file ("$_\n");
+ }
+ close($camelcase_file);
+ }
+}
+