Class: Object

Inherits:
BasicObject
Includes:
InstanceExecHelper
Defined in:
lib/validatable/object_extension.rb

Overview

:nodoc:

Defined Under Namespace

Modules: InstanceExecHelper

Instance Method Summary collapse

Instance Method Details

#instance_eval_with_params(*args, &block) ⇒ Object 



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# File 'lib/validatable/object_extension.rb', line 5

def instance_eval_with_params(*args, &block)
  # Compatibility check (Ruby 1.9 uses Thread.exclusive whereas Ruby 1.8 uses
  # Thread.critical
  if Thread.respond_to?(:critical=)
    # The following is for Ruby 1.8 compatibility.  TODO: cleanup
    begin
      old_critical, Thread.critical = Thread.critical, true
      n = 0
      n += 1 while respond_to?(mname="__instance_exec#{n}")
      InstanceExecHelper.module_eval{ define_method(mname, &block) }
    ensure
      Thread.critical = old_critical
    end
    begin
      ret = send(mname, *args)
    ensure
      InstanceExecHelper.module_eval{ remove_method(mname) } rescue nil
    end
  else
    # The following is for Ruby 1.9 compatibility.  TODO: cleanup
    omname = Thread.exclusive do
      n = 0
      n += 1 while respond_to?(mname="__instance_exec#{n}")
      InstanceExecHelper.module_eval{ define_method(mname, &block) }
      mname
    end
    begin
      ret = send(omname, *args)
    ensure
      InstanceExecHelper.module_eval{ remove_method(omname) } rescue nil
    end
  end

  ret
end