Ruby Issue Tracking System

03/27/2025

06:38 PM Ruby Bug #21202: Ripper wrongly concats separate tstring_content within nested unterminated heredoc

Pull request: https://github.com/ruby/ruby/pull/13000 tompng (tomoya ishida)

06:33 PM Ruby Bug #21202 (Open): Ripper wrongly concats separate tstring_content within nested unterminated heredoc

~~~ruby
code = <<~'CODE'
<<H1
#{<<H2}a
H2
b
CODE
Ripper.tokenize(code) #=> ["<<H1", "\n", "\#{", "<<... tompng (tomoya ishida)

02/14/2025

05:30 PM Ruby Bug #21139 (Assigned): Prism and parse.y parses `it = it` differently

~~~
# ruby --parser=parse.y -e "42.tap { it = it; p it }"
nil
# ruby --parser=prism -e "42.tap { it = it; p it }"
... tompng (tomoya ishida)

01:41 PM Ruby Bug #21097 (Open): `x = a rescue b in c` and `def f = a rescue b in c` parsed differently between parse.y and prism

tompng (tomoya ishida)

02/13/2025

04:55 PM Ruby Bug #21117 (Assigned): Inconsistent behaviour between "_1" and "it" variables

These two should be SyntaxError, and is actually SyntaxError with --parser=parse.y
~~~ruby
[1, 2, 3].each { _1 += 1... tompng (tomoya ishida)

02/08/2025

01:36 PM Ruby Bug #21117: Inconsistent behaviour between "_1" and "it" variables

Prism and parse.y parses these two code in the example differently.
~~~ruby
[1, 2, 3].each { it = it + 1; p it }
[... tompng (tomoya ishida)

02/05/2025

11:24 AM Ruby Bug #21114 (Closed): Prism hangs up while parsing deeply nested `def`

~~~ruby
Prism.parse "def f\n" * 500 # Ruby 3.4
Prism.parse "def f\n" * 5000 # Ruby 3.5
Prism.parse "def initialize... tompng (tomoya ishida)

01/29/2025

12:53 PM Ruby Revision 2d3d7a74 (git): [DOC] Fix wrong call-seq format (#12662)

tompng (tomoya ishida)

10:06 AM Ruby Bug #21097: `x = a rescue b in c` and `def f = a rescue b in c` parsed differently between parse.y and prism

`not` `in` and `not` `rescue` has the same problem
~~~
$ ruby --parser=parse.y -e "def f = not 1 in 2; p f"
false
... tompng (tomoya ishida)

08:51 AM Ruby Bug #21097 (Assigned): `x = a rescue b in c` and `def f = a rescue b in c` parsed differently between parse.y and prism

~~~ruby
x = a rescue b in c
(x = (a rescue b)) in c # parse.y, prism(ruby 3.4)
x = (a rescue (b in c)) # prism(rub... tompng (tomoya ishida)