AmigActive 3/AACD03.BIN/AACD/Programming/sofa/archive/SmallEiffel.lha/SmallEiffel/lib_se/run_feature_5.e

Text File | 1999-06-05 | 5KB | 211 lines

--          This file is part of SmallEiffel The GNU Eiffel Compiler.
--          Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
--            Dominique COLNET and Suzanne COLLIN - [e-mail]
--                       http://SmallEiffel.loria.fr
-- SmallEiffel 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;  either  version  2, or (at your option)  any  later
-- version. SmallEiffel 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  SmallEiffel;  see the file COPYING.  If not,
-- write to the  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-- Boston, MA 02111-1307, USA.
--
class RUN_FEATURE_5

inherit RUN_FEATURE redefine base_feature end;

creation make

feature

   base_feature: ONCE_PROCEDURE;

   arguments: FORMAL_ARG_LIST;

   require_assertion: RUN_REQUIRE;

   local_vars: LOCAL_VAR_LIST;

   routine_body: COMPOUND;

   rescue_compound: COMPOUND;

   ensure_assertion: E_ENSURE;

feature

   is_static: BOOLEAN is false;

   can_be_dropped: BOOLEAN is false;

   is_pre_computable: BOOLEAN is false;

   is_once_function: BOOLEAN is false;

feature

   result_type: TYPE is
      do
      end;

   static_value_mem: INTEGER is
      do
      end;

   afd_check is
      do
         routine_afd_check;
      end;

   mapping_c is
      do
         default_mapping_procedure;
      end;

   c_define is
      local
         bfbc: BASE_CLASS;
      do
         bfbc := base_feature.base_class;
         if not bfbc.once_flag(once_mark) then
            once_boolean;
         end;
         define_prototype;
         cpp.put_string("if (");
         once_flag;
         cpp.put_string("==0){%N");
         c_define_opening;
         once_flag;
         cpp.put_string("=1;%N");
         if routine_body /= Void then
            routine_body.compile_to_c;
         end;
         c_define_closing;
         cpp.put_string("}}%N");
         c_frame_descriptor;
      end;

feature {CALL_PROC_CALL}

   collect_c_tmp is
      do
      end;

feature {ADDRESS_OF_POOL}

   address_of_c_define(caller: ADDRESS_OF) is
      do
         if run_control.boost then
            if use_current then
            else
               address_of_c_define_wrapper(caller);
            end;
         else
            address_of_c_define_wrapper(caller);
         end;
      end;

feature {ADDRESS_OF}

   address_of_c_mapping is
      do
         if run_control.boost then
            if use_current then
               mapping_name;
            else
               address_of_c_mapping_wrapper;
            end;
         else
            address_of_c_mapping_wrapper;
         end;
      end;

feature {NONE}

   jvm_result_store is
      do
      end;

   initialize is
      do
         arguments := base_feature.arguments;
         if arguments /= Void then
            if not arguments.is_runnable(current_type) then
               !!arguments.with(arguments,current_type);
            end;
         end;
         local_vars := base_feature.local_vars;
         if local_vars /= Void then
            local_vars := local_vars.to_runnable(current_type);
         end;
         routine_body := base_feature.routine_body;
         if routine_body /= Void then
            routine_body := routine_body.to_runnable(current_type);
         end;
         if run_control.require_check then
            require_assertion := run_require;
         end;
         if run_control.ensure_check then
            ensure_assertion := run_ensure;
         end;
         rescue_compound := base_feature.rescue_compound;
         if rescue_compound /= Void then
            exceptions_handler.set_used;
            rescue_compound := rescue_compound.to_runnable(current_type);
         end;
         once_routine_pool.add_procedure(Current);
      end;

   compute_use_current is
      do
         std_compute_use_current;
      end;

feature {RUN_CLASS}

   jvm_field_or_method is
      do
         jvm.add_method(Current);
      end;

feature

   mapping_jvm is
      do
         routine_mapping_jvm;
      end;

feature {JVM}

   jvm_define is
      local
         branch, idx_flag: INTEGER;
      do
         idx_flag := once_routine_pool.idx_fieldref_for_flag(Current);
         method_info_start;
         code_attribute.opcode_getstatic(idx_flag,1);
         branch := code_attribute.opcode_ifne;
         code_attribute.opcode_iconst_1;
         code_attribute.opcode_putstatic(idx_flag,-1);
         jvm_define_opening;
         if routine_body /= Void then
            routine_body.compile_to_jvm;
         end;
         jvm_define_closing;
         code_attribute.resolve_u2_branch(branch);
         code_attribute.opcode_return;
         method_info.finish;
      end;

feature {NONE}

   update_tmp_jvm_descriptor is
      do
         routine_update_tmp_jvm_descriptor;
      end;

end -- RUN_FEATURE_5