note description: "Access to Result" legal: "See notice at end of class." status: "See notice at end of class." class RESULT_B inherit ACCESS_B redefine enlarged, read_only, is_result, is_assignable, register_name, is_writable, assign_code, expanded_assign_code, reverse_code, assigns_to, pre_inlined_code, is_fast_as_local, is_predefined end feature -- Visitor process (v: BYTE_NODE_VISITOR) -- Process current element. do v.process_result_b (Current) end feature read_only: BOOLEAN = False -- Is Result a read-only entity? type: TYPE_A -- <Precursor> do -- Result is treated as detachable (like locals). Result := context.byte_code.result_type.as_detachable_type end is_predefined: BOOLEAN = True -- Predefined as results is store in a register. is_result: BOOLEAN -- <Precursor> do Result := True end is_assignable: BOOLEAN = True -- <Precursor> is_writable: BOOLEAN = True -- <Precursor> same (other: ACCESS_B): BOOLEAN -- Is `other' the same access as Current? do Result := attached {RESULT_B} other end enlarged: RESULT_B -- Enlarges the result node. do create {RESULT_BL} Result.make (type) end register_name: STRING = "Result" -- The "Result" string. feature -- IL code generation is_fast_as_local: BOOLEAN = True -- Is expression calculation as fast as loading a local? -- (This is not true for once functions, but there is not enough information to figure it out.) feature -- Byte code generation assign_code: CHARACTER -- Assignment code. once Result := {BYTE_CONST}.bc_rassign end expanded_assign_code: CHARACTER -- Expanded assignment code. once Result := {BYTE_CONST}.bc_rexp_assign end reverse_code: CHARACTER -- Reverse assignment code. once Result := {BYTE_CONST}.bc_rreverse end feature -- Array optimization assigns_to (i: INTEGER): BOOLEAN -- <Precursor> do Result := i = 0 end feature -- Inlining pre_inlined_code: INLINED_RESULT_B -- <Precursor> do create Result Result.set_parent (parent) end note copyright: "Copyright (c) 1984-2019, 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