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Since we require 1.8.7 we don't need to shim instance_exec anymore

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This commit is contained in:
Yehuda Katz 2009-11-07 11:23:34 -08:00
parent e1b5e3cc70
commit 103b29831e
1 changed files with 0 additions and 27 deletions
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27
activesupport/lib/active_support/core_ext/object/extending.rb
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@ -50,31 +50,4 @@ class Object
def extend_with_included_modules_from(object) #:nodoc:
object.extended_by.each { |mod| extend mod }
end
unless defined? instance_exec # 1.9
module InstanceExecMethods #:nodoc:
end
include InstanceExecMethods
# Evaluate the block with the given arguments within the context of
# this object, so self is set to the method receiver.
#
# From Mauricio's http://eigenclass.org/hiki/bounded+space+instance_exec
def instance_exec(*args, &block)
begin
old_critical, Thread.critical = Thread.critical, true
n = 0
n += 1 while respond_to?(method_name = "__instance_exec#{n}")
InstanceExecMethods.module_eval { define_method(method_name, &block) }
ensure
Thread.critical = old_critical
end
begin
send(method_name, *args)
ensure
InstanceExecMethods.module_eval { remove_method(method_name) } rescue nil
end
end
end
end