note
	description: "Visitor to visit Eiffel query language items"
	legal: "See notice at end of class."
	status: "See notice at end of class."
	author: ""
	date: "$Date$"
	revision: "$Revision$"

deferred class
	QL_VISITOR

feature -- Process

	process_domain (a_item: QL_DOMAIN)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_item (a_item: QL_VISITABLE)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		do
			a_item.process (Current)
		end

	process_target (a_item: QL_TARGET)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_group (a_item: QL_GROUP)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_class (a_item: QL_CLASS)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_feature (a_item: QL_FEATURE)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_real_feature (a_item: QL_REAL_FEATURE)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_invariant (a_item: QL_INVARIANT)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_quantity (a_item: QL_QUANTITY)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_line (a_item: QL_LINE)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_generic (a_item: QL_GENERIC)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_local (a_item: QL_LOCAL)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_argument (a_item: QL_ARGUMENT)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

	process_assertion (a_item: QL_ASSERTION)
			-- Process `a_item'.
		require
			a_item_attached: a_item /= Void
		deferred
		end

note
	copyright: "Copyright (c) 1984-2013, Eiffel Software"
	license: "GPL version 2 (see http://www.eiffel.com/licensing/gpl.txt)"
	licensing_options: "http://www.eiffel.com/licensing"
	copying: "[
			This file is part of Eiffel Software's Eiffel Development Environment.
			
			Eiffel Software's Eiffel Development Environment is free
			software; you can redistribute it and/or modify it under
			the terms of the GNU General Public License as published
			by the Free Software Foundation, version 2 of the License
			(available at the URL listed under "license" above).
			
			Eiffel Software's Eiffel Development Environment is
			distributed in the hope that it will be useful, but
			WITHOUT ANY WARRANTY; without even the implied warranty
			of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
			See the GNU General Public License for more details.
			
			You should have received a copy of the GNU General Public
			License along with Eiffel Software's Eiffel Development
			Environment; if not, write to the Free Software Foundation,
			Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
		]"
	source: "[
			Eiffel Software
			5949 Hollister Ave., Goleta, CA 93117 USA
			Telephone 805-685-1006, Fax 805-685-6869
			Website http://www.eiffel.com
			Customer support http://support.eiffel.com
		]"



end