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SmallEiffel.lha
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1998-12-22
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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://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 FUNCTION
inherit EFFECTIVE_ROUTINE;
creation make
feature
result_type: TYPE;
feature
make(n: like names;
fa: like arguments; t: like result_type;
om: like obsolete_mark;
hc: like header_comment;
ra: like require_assertion; lv: like local_vars;
rb: like routine_body) is
require
t /= void
do
make_effective_routine(n,fa,om,hc,ra,lv,rb);
result_type := t;
end;
to_run_feature(t: TYPE; fn: FEATURE_NAME): RUN_FEATURE_4 is
do
check_obsolete;
!!Result.make(t,fn,Current);
end;
feature {C_PRETTY_PRINTER}
stupid_switch(up_rf: RUN_FEATURE; r: ARRAY[RUN_CLASS]): BOOLEAN is
local
rf4: RUN_FEATURE_4;
fn: FEATURE_NAME;
rf: RUN_FEATURE;
bcn: STRING;
i: INTEGER;
do
bcn := base_class.name.to_string;
if (us_item = first_name.to_string) and then
(us_array = bcn or else us_fixed_array = bcn)
then
from
i := r.upper;
Result := true;
until
not Result or else i = 0
loop
rf := r.item(i).dynamic(up_rf);
if rf.result_type.is_expanded then
Result := false;
end;
i := i - 1;
end;
else
rf4 ?= r.first.dynamic(up_rf);
if rf4.is_empty_or_null_body then
Result := true;
else
fn := rf4.is_attribute_reader;
if fn /= Void then
Result := cpp.stupid_switch(up_rf.run_class.get_feature(fn));
else
rf := rf4.is_direct_call_on_attribute;
if rf /= Void then
Result := cpp.stupid_switch(rf);
end;
end;
end;
end;
end;
feature {NONE}
try_to_undefine_aux(fn: FEATURE_NAME;
bc: BASE_CLASS): DEFERRED_ROUTINE is
do
!DEFERRED_FUNCTION!Result.from_effective(fn,arguments,
result_type,
require_assertion,
ensure_assertion,
bc);
end;
feature {NONE}
pretty_print_once_or_do is
do
fmt.keyword(fz_do);
end;
end -- FUNCTION