From: Alexey Petrushin <axyd80@...>
Date: 2009-02-03T02:11:32+09:00
Subject: Kernel.xxx interferes with method_missing

Hello!

I'm using method_missing to create DSL, the problem is that Kernel.xxx
methods are interferes with it.
How this issue can be solved?

It seems that one solution is to explicitly define all global methods
(p, select, ...) on the target class for method_missing.

But i hope there is more elegant solution :). Maybe some trick with
sandboxes?

CODE:
  class Parameters # < BlankSlate
    attr_reader :result

    def initialize &block
      @result = {}
      instance_eval &block
    end

    def method_missing m, *p
      @result[m] = *p
    end
  end

  describe do
    it do
      hash = Parameters.new do
        one 1
        select1 'Select' # <= Problem here, it calls Kernel.select
      end.result

      hash.should == {:one => 1, :select1 => 'Select'}
    end
  end
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