--          This file is part of SmallEiffel The GNU Eiffel Compiler.
--          Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
--            Dominique COLNET and Suzanne COLLIN - colnet@loria.fr 
--                       http://www.loria.fr/SmallEiffel
-- 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_2
   
inherit RUN_FEATURE redefine base_feature end;
   
creation make
   
feature 
   
   base_feature: WRITABLE_ATTRIBUTE;

   result_type: TYPE;

feature
   
   can_be_dropped: BOOLEAN is true;
   
   is_pre_computable: BOOLEAN is false;

   is_static: BOOLEAN is false;

   is_once_function: BOOLEAN is false;

feature

   arguments: FORMAL_ARG_LIST is
      do
      end;

   local_vars: LOCAL_VAR_LIST is 
      do 
      end;
   
   routine_body: COMPOUND is
      do
      end;
   
   rescue_compound: COMPOUND is
      do
      end;

   static_value_mem: INTEGER is 
      do 
      end;

   afd_check is 
      local
	 rc: RUN_CLASS;
      do 
	 rc := result_type.run_type.run_class;
      end;
   
   mapping_c is
      local
	 ct: TYPE;
      do
	 ct := current_type;
	 if ct.is_basic_eiffel_expanded then
	    check
	       us_item = name.to_string 
	    end;
	    cpp.put_target_as_value;
	 elseif ct.is_reference then
	    if ct.base_class.is_expanded then
	       cpp.put_character('(');
	       cpp.put_target_as_target;
	       cpp.put_string(")->_item._");
	       cpp.put_string(name.to_string);
	       run_class.force_c_recompilation_comment(Current);
	    else
	       cpp.put_character('(');
	       cpp.put_target_as_target;
	       cpp.put_string(")->_");
	       cpp.put_string(name.to_string);
	       run_class.force_c_recompilation_comment(Current);
	    end;
	 else
	    cpp.put_character('(');
	    cpp.put_target_as_value;
	    cpp.put_string(")._");
	    cpp.put_string(name.to_string);
	    run_class.force_c_recompilation_comment(Current);
	 end;
      end;

   c_define is 
      do
	 nothing_comment;
      end;
   
feature {ADDRESS_OF_POOL}

   address_of_c_define(caller: ADDRESS_OF) is
      do
      end;

feature {ADDRESS_OF}

   address_of_c_mapping is
      do
	 cpp.put_string("&(");
	 cpp.print_current;
	 cpp.put_string("->_");
	 cpp.put_string(name.to_string);
	 cpp.put_character(')');
      end;
   
feature {CALL_PROC_CALL}

   collect_c_tmp is
      do
      end;

feature {NONE}   
   
   initialize is
      do
	 result_type := base_feature.result_type;
	 result_type := result_type.to_runnable(current_type);
      end;
   
   compute_use_current is
      do
	 use_current_state := ucs_true;
      end;

feature {RUN_CLASS}

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

feature

   mapping_jvm is
      local
	 idx: INTEGER;
	 stack_level: INTEGER;
      do
	 jvm.push_target_as_target;
	 if current_type.is_basic_eiffel_expanded then
	    check
	       us_item = name.to_string 
	    end;
	 else
	    stack_level := result_type.jvm_stack_space - 1;
	    idx := constant_pool.idx_fieldref(Current);
	    code_attribute.opcode_getfield(idx,stack_level);
	 end;
      end;

feature {JVM}

   jvm_define is
      local
	 name_idx, descriptor: INTEGER;
	 cp: like constant_pool;
      do
	 cp := constant_pool;
	 name_idx := cp.idx_utf8(name.to_string);
	 descriptor := cp.idx_utf8(jvm_descriptor);
	 field_info.add(1,name_idx,descriptor);
      end;
   
feature {NONE}

   update_tmp_jvm_descriptor is
      local
	 rt: TYPE;
      do
	 rt := result_type.run_type;
	 if rt.is_reference then
	    tmp_jvm_descriptor.append(jvm_root_descriptor);
	 else
	    rt.jvm_descriptor_in(tmp_jvm_descriptor);
	 end;
      end;

end -- RUN_FEATURE_2