Bug #1451: dl in ruby-1.9 can’t parse signatures correctly.
http://redmine.ruby-lang.org/issues/show/1451
e$B5/I<<Te(B: Takashi T.
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Normal
e$B%+%F%4%je(B: ext, Target version: 1.9.2
ruby -v: ruby 1.9.2dev (2009-05-02 trunk 23326) [i686-linux]
1.9 e$B$Ne(B dl e$B$Ne(B cparser.rb
e$B$,6uGr$,$"$k%7%0%M%A%c$r@5$7$/%Q!<%9$G$-$^$;$s!#e(B
$ cat d7.rb
require ‘dl/import’
module M
extend DL::Importer
dlload ‘libc.so.6’
extern ‘void * memmove(void *, void *, unsigned long
)’
end
$ ruby-1.9 -v d7.rb
ruby 1.9.2dev (2009-05-02 trunk 23326) [i686-linux]
/usr/local/pkg/ruby-1.9/lib/ruby/1.9.1/dl/cparser.rb:104:in
parse_ctype': unknown type: unsigned long (DL::DLError) from /usr/local/pkg/ruby-1.9/lib/ruby/1.9.1/dl/cparser.rb:53:in block in parse_signature’
from /usr/local/pkg/ruby-1.9/lib/ruby/1.9.1/dl/cparser.rb:53:in
collect' from /usr/local/pkg/ruby-1.9/lib/ruby/1.9.1/dl/cparser.rb:53:in parse_signature’
from /usr/local/pkg/ruby-1.9/lib/ruby/1.9.1/dl/import.rb:116:in
extern' from d7.rb:6:in module:M’
from d7.rb:3:in `’
e$B%Q%C%A$G$9!#e(B
$ svn diff lib/dl/cparser.rb
Index: lib/dl/cparser.rb
— lib/dl/cparser.rb (e$B%j%S%8%g%se(B 23328)
+++ lib/dl/cparser.rb (e$B:n6H%3%T!<e(B)
@@ -41,7 +41,7 @@ module DL
case signature
when /^([\d\w@*\s]+)(([\d\w*\s,[]]*))$/
ret = $1
-
args = $2
-
args = $2.sub(/\A\s*/, '').sub(/\s*\z/, '') ret = ret.split(/\s+/) args = args.split(/\s*,\s*/) func = ret.pop