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call_0.e
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2000-03-25
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-- 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://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.
--
deferred class CALL_0
--
-- For calls without argument (only Current).
--
inherit CALL redefine to_integer end;
feature
arg_count: INTEGER is 0;
feature
run_feature: RUN_FEATURE;
feature
frozen arguments: EFFECTIVE_ARG_LIST is
do
end;
frozen result_type: TYPE is
do
Result := run_feature.result_type;
if Result.is_like_current then
Result := run_feature.current_type;
end;
end;
frozen to_integer: INTEGER is
local
rf1: RUN_FEATURE_1;
do
rf1 ?= run_feature;
if rf1 = Void then
error(start_position,fz_iinaiv);
else
Result := rf1.value.to_integer;
end;
end;
frozen assertion_check(tag: CHARACTER) is
do
if tag = 'R' then
run_feature.vape_check_from(start_position);
end;
target.assertion_check(tag);
end;
frozen can_be_dropped: BOOLEAN is
do
if target.can_be_dropped then
Result := run_feature.can_be_dropped;
end;
end;
frozen run_feature_match is
do
run_feature_has_result;
if run_feature.arguments /= Void then
eh.add_position(feature_name.start_position);
eh.add_position(run_feature.start_position);
fatal_error("Feature found has arguments.");
end;
end;
feature {RUN_FEATURE_3,RUN_FEATURE_4}
frozen finalize is
local
rc: RUN_CLASS;
rf: RUN_FEATURE;
do
rf := run_feature;
rc := rf.current_type.run_class;
run_feature := rc.running.first.dynamic(rf);
end;
end -- CALL_0