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[ruby/prism] Fix warn polyfill when no uplevel is provided

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An unspecified uplevel is not the same as an uplevel of 1:

```
$ irb
irb(main):001> warn("foo")
foo
=> nil
irb(main):002> warn("foo", uplevel: 1)
/home/user/.rbenv/versions/2.7.8/lib/ruby/gems/2.7.0/gems/irb-1.14.0/lib/irb/workspace.rb:121: warning: foo
=> nil
```

https://github.com/ruby/prism/commit/dcedd14357
This commit is contained in:
Earlopain 2025-09-15 08:39:30 +02:00 committed by git
parent 8ad5a0a8d9
commit 9299cf31b1
1 changed files with 16 additions and 22 deletions
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38
lib/prism/polyfill/warn.rb
View File

@ -7,17 +7,14 @@ if (method = Kernel.instance_method(:warn)).respond_to?(:parameters) ? method.pa
Kernel.prepend(
Module.new {
def warn(*msgs, uplevel: nil, category: nil) # :nodoc:
uplevel =
case uplevel
when nil
1
when Integer
uplevel + 1
else
uplevel.to_int + 1
end
super(*msgs, uplevel: uplevel)
case uplevel
when nil
super(*msgs)
when Integer
super(*msgs, uplevel: uplevel + 1)
else
super(*msgs, uplevel: uplevel.to_int + 1)
end
end
}
)
@ -25,17 +22,14 @@ if (method = Kernel.instance_method(:warn)).respond_to?(:parameters) ? method.pa
Object.prepend(
Module.new {
def warn(*msgs, uplevel: nil, category: nil) # :nodoc:
uplevel =
case uplevel
when nil
1
when Integer
uplevel + 1
else
uplevel.to_int + 1
end
super(*msgs, uplevel: uplevel)
case uplevel
when nil
super(*msgs)
when Integer
super(*msgs, uplevel: uplevel + 1)
else
super(*msgs, uplevel: uplevel.to_int + 1)
end
end
}
)