note legal: "See notice at end of class." status: "See notice at end of class." class BIN_EQ_B inherit BIN_EQUAL_B redefine enlarged, generate_operator end feature -- Visitor process (v: BYTE_NODE_VISITOR) -- Process current element. do v.process_bin_eq_b (Current) end feature generate_operator (a_buffer: GENERATION_BUFFER) -- Generate the operator do a_buffer.put_four_character (' ', '=', '=', ' ') end; generate_boolean_constant -- Generate false constant do buffer.put_string ("EIF_FALSE"); end; enlarged: EXPR_B -- Enlarge node local l_left_val, l_right_val: VALUE_I do left := left.enlarged right := right.enlarged if context.final_mode then l_left_val := left.evaluate l_right_val := right.evaluate if l_left_val.same_type (l_right_val) and then l_left_val.is_equivalent (l_right_val) then create {BOOL_CONST_B} Result.make (True) else -- They are either not of the same type, or if they are they might -- have different values. For the moment, we simply proceed to -- traditional code generation (no optimization done, as you could -- have an INTEGER_8 constant of value 1, and an INTEGER constant of value 1 -- and no comparison features at the moment enables us to tell they -- are the same value without computation. create {BIN_EQ_BL} Result.make (left, right) end else create {BIN_EQ_BL} Result.make (left, right) end end; note copyright: "Copyright (c) 1984-2006, 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 356 Storke Road, Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end