47colborne/cloud-sesame

module CloudSesame
    module Query
        module DSL
            module BindCaller

                def _caller=(caller)
                    __bind_caller_instance_variables__(caller) if caller
                    @_caller = caller
                end

                private

                def __bind_caller_instance_variables__(caller)
                    caller.instance_variables.each do |name|
                        value = caller.instance_variable_get name
                        instance_variable_set name, value
                    end
                end

                # ACCESS CALLER'S METHODS
                # =========================================
                def method_missing(name, *args, &block)
                    if _caller && _caller.respond_to?(name, true)
                        _caller.send(name, *args, &block)
                    else
                        super
                    end
                end

            end
        end
    end
end