method `module_eval' for main:Object should be undefined?
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Key: JRUBY-3190
URL: http://jira.codehaus.org/browse/JRUBY-3190
Project: JRuby
Issue Type: Bug
Components: Interpreter
Affects Versions: JRuby 1.1.4
Environment: Mac OS X 10.5.4, jruby 1.1.4 (ruby 1.8.6 patchlevel 114)
(2008-08-28 rev 7570) [x86_64-java], ruby 1.8.6 (2008-03-03 patchlevel 114)
[universal-darwin9.0]
Reporter: John Pywtorak
Priority: Minor
The example below shows jruby behaviour that is different than MRI ruby for the
builtin module_eval.
$ jruby -e 'require "ffi";extend FFI::Library;attach_function :getuid, [],
:uint;puts getuid'
501
$ ruby -e 'require "rubygems";require "ffi";extend FFI::Library;attach_function
:getuid, [], :uint;puts getuid'
/Library/Ruby/Gems/1.8/gems/ffi-0.1.1/lib/ffi/ffi.rb:246:in `attach_function':
undefined method `module_eval' for main:Object (NoMethodError)
from -e:1
Note the ruby version works as expected as soon as I put the attach_function in
a module and not in main, as below.
$ ruby -e 'require "rubygems";require "ffi";module GetPid;extend
FFI::Library;attach_function :getuid, [], :uint;end;puts GetPid.getuid'
501
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