[Bug #2402] super in instance_eval

Ruby Development
1

Bug #2402: super in instance_eval
http://redmine.ruby-lang.org/issues/show/2402

e$B5/I<<Te(B: Shugo M.
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Normal
ruby -v: ruby 1.9.2dev (2009-11-24 trunk 25909) [i686-linux]

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defiant:build$ cat t.rb
class Foo
def foo
p self
end
end

class Bar < Foo
def foo
x = Object.new
x.instance_eval do
super
end
end
end

Bar.new.foo
defiant:build$ ./ruby-trunk.1124 -v t.rb
ruby 1.9.2dev (2009-11-24 trunk 25909) [i686-linux]
#Object:0x8590f6c

Foo#fooe$B$,8F$P$l$k$N$Ke(Bselfe$B$,e(BObjecte$B$H$$$&!“$A$g$C$H$*$+$7$J$3$H$K$J$C$F$$$^$9!#e(B
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2

e$B%A%1%C%He(B #2402 e$B$,99?7$5$l$^$7$?!#e(B (by Shugo M.)

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defiant:build$ cat t2.rb
class Foo
def foo
p self
end
end

class Bar < Foo
def foo
x = Object.new
class << x
super
end
end
end

Bar.new.foo
defiant:build$ ./ruby-trunk.1124 -v t2.rb
ruby 1.9.2dev (2009-11-24 trunk 25909) [i686-linux]
t2.rb:11:in singletonclass': super called outside of method (NoMethodError) from t2.rb:10:in foo’
from t2.rb:16:in `’

1.8e$B$G$Oe(BFoo#fooe$B$,8F$P$l$^$9!#e(B

defiant:build$ ruby-1_8 -v t2.rb
ruby 1.8.8dev (2009-10-22 revision 25430) [i686-linux]
#Bar:0xb7ea443c

e$B;29M$^$G$KB>$N=hM}7O$G$O0J2<$N$h$&$J5sF0$G$7$?!#e(B

defiant:build$ ir -v t2.rb
IronRuby 0.9.1.0 on .NET 2.0.0.0
#Bar:0x0000056
defiant:build$ jruby -v t2.rb
jruby 1.5.0.dev (ruby 1.8.7 patchlevel 174) (2009-11-12 421150b) (Java
HotSpot™ Client VM 1.6.0_16) [i386-java]
#<Class:#Object:0x180cf2a>
defiant:build$ rbx -v t2.rb
rubinius 0.13.0-dev (1.8.7 e614007b 2009-11-06) [i686-pc-linux-gnu]
An exception occurred running t2.rb
No method ‘bytecode’ on an instance of NilClass. (NoMethodError)

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http://redmine.ruby-lang.org/issues/show/2402

3

e$B%A%1%C%He(B #2402 e$B$,99?7$5$l$^$7$?!#e(B (by Yusuke E.)

e$BC4Ev<Te(B Yukihiro M.e$B$+$ie(BKoichi Sasadae$B$KJQ99e(B

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class MyArray < Array
def reverse
“foo”.instance_eval do
super
end
end
end
MyArray.new([1,2,3]).reverse

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e$B$?$@!“$=$NJU$N=$@5$Oe(B [ruby-dev:40959]
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–
Yusuke E. [email protected]

http://redmine.ruby-lang.org/issues/show/2402

4

e$B%A%1%C%He(B #2402 e$B$,99?7$5$l$^$7$?!#e(B (by Koichi Sasada)

e$B%Q%C%A$OA4A38+$F$J$$$N$G$9$,!$1sF#$5$s$,NI$$$H6D$C$F$k$N$GNI$$$N$G$O$J$$$+$H;W$$$^$9!%e(B

http://redmine.ruby-lang.org/issues/show/2402

5

e$B%A%1%C%He(B #2402 e$B$,99?7$5$l$^$7$?!#e(B (by Yusuke E.)

Target version 1.9.xe$B$K%;%C%He(B

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[Bug #2502] [Bug #3136] e$B$"$?$j$Ge(B super
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–
Yusuke E. [email protected]

http://redmine.ruby-lang.org/issues/show/2402