#249: Attempting to modify instances of NSString or NSArray causes crash
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Reporter: jes...@… | Owner: lsansone...@…
Type: defect | Status: new
Priority: blocker | Milestone:
Component: MacRuby | Keywords:
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Comment(by lsansone...@…):
Thanks for the report, this is likely a bug in the YARV #<< optimization.
We do check for mutability before doing any destructive operations.
{{{
$ macruby -e 's=NSString.string; s.strip!'
-e:1:in `strip!': can't modify immutable string (RuntimeError)
from -e:1:in `<main>'
}}}
Also, I noticed that the check doesn't work for NSArray in 64-bit.
{{{
$ arch -i386 macruby -e "a = NSArray.array; a.clear"
-e:1:in `clear': can't modify frozen/immutable array (RuntimeError)
from -e:1:in `<main>'
$ arch -x86_64 macruby -e "a = NSArray.array; a.clear"
}}}
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Ticket URL: <http://www.macruby.org/trac/ticket/249#comment:2>
MacRuby <http://macruby.org/>
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