}
+# api_dump_remove_refs: prepare API tree for use with to_json($tree)
+sub api_dump_remove_refs {
+ my ($tree) = @_;
+
+ my $class = ref($tree);
+ return $tree if !$class;
+
+ if ($class eq 'ARRAY') {
+ my $res = [];
+ foreach my $el (@$tree) {
+ push @$res, api_dump_remove_refs($el);
+ }
+ return $res;
+ } elsif ($class eq 'HASH') {
+ my $res = {};
+ foreach my $k (keys %$tree) {
+ if (my $itemclass = ref($tree->{$k})) {
+ if ($itemclass eq 'CODE') {
+ next if $k eq 'completion';
+ }
+ $res->{$k} = api_dump_remove_refs($tree->{$k});
+ } else {
+ $res->{$k} = $tree->{$k};
+ }
+ }
+ return $res;
+ } elsif ($class eq 'Regexp') {
+ return "$tree"; # return string representation
+ } else {
+ die "unknown class '$class'\n";
+ }
+}
+
sub api_dump {
my ($class, $prefix) = @_;