home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
AmigActive 3
/
AACD03.BIN
/
AACD
/
Programming
/
sofa
/
archive
/
SmallEiffel.lha
/
SmallEiffel
/
lib_se
/
call_infix1.e
< prev
next >
Wrap
Text File
|
1999-06-05
|
5KB
|
161 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 - 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_INFIX1
inherit CALL_INFIX;
feature
run_feature: RUN_FEATURE;
feature {NONE}
frozen with(t: like target; fn: like feature_name; a: like arguments;
rf: RUN_FEATURE; ct: TYPE) is
require
t /= Void;
fn /= Void;
a.count = 1;
rf /= Void;
ct /= Void
do
target := t;
feature_name := fn;
arguments := a;
run_feature := rf;
run_feature_match(ct);
ensure
target = t;
feature_name = fn;
arguments = a;
run_feature = rf
end;
feature
frozen result_type: TYPE is
local
tla: TYPE_LIKE_ARGUMENT;
do
Result := run_feature.result_type;
if Result.is_like_current then
Result := run_feature.current_type;
else
tla ?= Result;
if tla /= Void then
Result := arg1.result_type.run_type;
end;
end;
end;
feature {RUN_FEATURE_3,RUN_FEATURE_4}
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;
feature
frozen to_runnable(ct: TYPE): like Current is
local
t: like target;
a: like arguments;
tt, at: TYPE;
tbee: TYPE_BASIC_EIFFEL_EXPANDED;
rf: RUN_FEATURE;
do
t := runnable_expression(target,ct);
a := runnable_args(arguments,ct);
tt := t.result_type;
at := arg1.result_type;
if at.is_real then
if tt.is_integer then
tbee ?= at.run_type;
!IMPLICIT_CAST!t.make(t,tbee);
end;
elseif at.is_double then
if tt.is_integer or else tt.is_real then
tbee ?= at.run_type;
!IMPLICIT_CAST!t.make(t,tbee);
end;
end;
rf := run_feature_for(t,ct);
if run_feature = Void then
target := t;
arguments := a;
run_feature := rf;
run_feature_match(ct);
Result := Current;
elseif t = target and then a = arguments then
check
run_feature = rf
end;
Result := Current;
else
!!Result.with(t,feature_name,a,rf,ct);
end;
end;
feature
frozen assertion_check(tag: CHARACTER) is
do
if tag = 'R' then
run_feature.vape_check_from(start_position);
end;
target.assertion_check(tag);
arg1.assertion_check(tag);
end;
frozen static_value: INTEGER is
do
Result := static_value_mem;
end;
feature {NONE}
static_value_mem: INTEGER;
frozen call_is_static: BOOLEAN is
local
rc: RUN_CLASS;
running: ARRAY[RUN_CLASS];
rf: like run_feature;
do
if run_feature /= Void then
rc := run_feature.run_class;
if rc /= Void then
running := rc.running;
if running /= Void and then running.count = 1 then
rf := running.first.dynamic(run_feature);
if rf.is_static then
static_value_mem := rf.static_value_mem;
Result := true;
end;
end;
end;
end;
end;
end -- CALL_INFIX1