Bug #5989: Keyword spash is syntax error when there are no explicit keyword arguments

• Status: Closed
• Assignee: mame (Yusuke Endoh)
• Target version: 2.0.0
• ruby -v: ruby 2.0.0dev (2012-02-09 trunk 34505) [i686-linux]

[funny_falcon (Yura Sokolov)]

$ ruby -e 'def a(a:1, **h); p h; end; a(b: 1)'
{:b=>1}
$ ruby -e 'def a(**h); p h; end; a(b: 1)'
-e:1: syntax error, unexpected tPOW, expecting ')'
def a(**h); p h; end
        ^

[ko1 (Koichi Sasada)]

• Assignee set to mame (Yusuke Endoh)

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

This issue was solved with changeset r34998.
Yura, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

---

• parse.y (block_param, f_args): add rules for the case arguments
  begin with kwrest. [ruby-core:42455][Bug #5989]

[nobu (Nobuyoshi Nakada)]

• Status changed from Closed to Open
• % Done changed from 100 to 20

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed
• % Done changed from 20 to 100

This issue was solved with changeset r34999.
Yura, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

---

• compile.c (iseq_set_arguments): keyword rest arg without keyword args.
• node.c (dump_node): dump kw_rest_arg too.
• parse.y (block_param, f_arg): more kwrest patterns.
  [ruby-core:42455][Bug #5989]
• parse.y (new_args_gen): no extra kw_rest_arg if no keyword rest arg.