Make tests for gmagic on sub exit count fetches

[perl5.git] / autodoc.pl

diff --git a/autodoc.pl b/autodoc.pl
index 139c313..89b36df 100644 (file)
--- a/autodoc.pl
+++ b/autodoc.pl
@@ -186,14 +186,50 @@ removed without notice.\n\n" if $flags =~ /x/;
        print $fh "\t\t$name;\n\n";
     } elsif ($flags =~ /n/) { # no args
        print $fh "\t$ret\t$name\n\n";
-    } elsif ($flags =~ /o/) { # no #define foo Perl_foo
-        print $fh "\t$ret\tPerl_$name";
-        print $fh "(" . (@args ? "pTHX_ " : "pTHX");
-        print $fh join(", ", @args) . ")\n\n";
     } else { # full usage
-       print $fh "\t$ret\t$name";
-       print $fh "(" . join(", ", @args) . ")";
-       print $fh "\n\n";
+       my $p            = $flags =~ /o/; # no #define foo Perl_foo
+       my $n            = "Perl_"x$p . $name;
+       my $large_ret    = length $ret > 7;
+       my $indent_size  = 7+8 # nroff: 7 under =head + 8 under =item
+                         +8+($large_ret ? 1 + length $ret : 8)
+                         +length($n) + 1;
+       my $indent;
+       print $fh "\t$ret" . ($large_ret ? ' ' : "\t") . "$n(";
+       my $long_args;
+       for (@args) {
+           if ($indent_size + 2 + length > 80) {
+               $long_args=1;
+               $indent_size -= length($n) - 3;
+               last;
+           }
+       }
+       my $args = '';
+       if ($p) {
+           $args = @args ? "pTHX_ " : "pTHX";
+           if ($long_args) { print $fh $args; $args = '' }
+       }
+       $long_args and print $fh "\n";
+       my $first = !$long_args;
+       while () {
+           if (!@args or
+                length $args
+                && $indent_size + 3 + length($args[0]) + length $args > 80
+           ) {
+               print $fh
+                 $first ? '' : (
+                   $indent //=
+                      "\t".($large_ret ? " " x (1+length $ret) : "\t")
+                     ." "x($long_args ? 4 : 1 + length $n)
+                 ),
+                 $args, (","x($args ne 'pTHX_ ') . "\n")x!!@args;
+               $args = $first = '';
+           }
+           @args or last;
+           $args .= ", "x!!(length $args && $args ne 'pTHX_ ')
+                  . shift @args;
+       }
+       if ($long_args) { print $fh "\n", substr $indent, 0, -4 }
+       print $fh ")\n\n";
     }
     print $fh "=for hackers\nFound in file $file\n\n";
 }