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Aminet 37
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Aminet 37 (2000)(Schatztruhe)[!][Jun 2000].iso
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smalleiffel
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short.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.
--
class SHORT
--
-- The `short' command.
--
inherit COMMAND_FLAGS;
creation make
feature {NONE}
command_name: STRING is "short";
format: STRING;
parents: FIXED_ARRAY[BASE_CLASS] is
-- From `run_control..root_class' up to ANY included.
once
!!Result.with_capacity(4);
end;
run_class: RUN_CLASS;
rf_list: FIXED_ARRAY[RUN_FEATURE] is
once
!!Result.with_capacity(256);
end;
sort: BOOLEAN;
short: BOOLEAN;
make is
local
bc: BASE_CLASS;
i: INTEGER;
ccl: CREATION_CLAUSE_LIST;
do
small_eiffel.set_short_flag;
if argument_count = 0 then
fatal_bad_usage
else
automat;
if run_control.root_class = Void then
fatal_bad_usage
end;
bc := small_eiffel.load_class(run_control.root_class);
parents.add_last(bc);
if not short then
bc.up_to_any_in(parents);
end;
if format = Void then
format := "plain";
end;
-- Prepare data :
compute_run_class(bc);
run_class.runnable_class_invariant;
-- Print the class interface :
short_print.start(format,bc,run_class);
ccl := bc.creation_clause_list;
if ccl = Void or else not ccl.short then
short_print.hook("hook102");
end;
compute_rf_list;
if sort then
short_print.hook_or("hook200","feature(s)%N");
sort_rf_list;
from
i := 0;
until
i > rf_list.upper
loop
short_print.a_run_feature(rf_list.item(i));
i := i + 1;
end;
short_print.hook("hook201");
end;
short_print.finish;
end;
end;
automat is
local
arg: INTEGER;
a: STRING;
do
from
arg := 1;
until
arg > argument_count
loop
a := argument(arg);
if ("-sort").is_equal(a) then
sort := true;
elseif ("-short").is_equal(a) then
short := true;
elseif is_flag_case_insensitive(a) then
elseif is_flag_no_style_warning(a) then
elseif is_flag_no_warning(a) then
elseif is_flag_version(a) then
elseif a.item(1) = '-' then
a.remove_first(1);
format := a;
else
if a.has_suffix(eiffel_suffix) then
a.remove_suffix(eiffel_suffix);
end;
if as_bit_n_ref.same_as(a) then
a := as_bit_n;
end;
run_control.compute_root_class(a);
end;
arg := arg + 1;
end;
end;
compute_run_class(bc: BASE_CLASS) is
local
fgl: FORMAL_GENERIC_LIST;
bcn: STRING;
sp: POSITION;
t, ct: TYPE;
gl: ARRAY[TYPE];
i: INTEGER;
fga: FORMAL_GENERIC_ARG;
do
bcn := bc.name.to_string;
sp := bc.name.start_position;
fgl := bc.formal_generic_list;
if as_any = bcn then
!TYPE_ANY!ct.make(sp);
elseif as_native_array = bcn then
!TYPE_CHARACTER!t.make(sp);
!TYPE_NATIVE_ARRAY!ct.make(sp,t);
elseif as_array = bcn then
!TYPE_ANY!t.make(sp);
!TYPE_ARRAY!ct.make(sp,t);
elseif as_integer = bcn then
!TYPE_INTEGER!ct.make(sp);
elseif as_real = bcn then
!TYPE_REAL!ct.make(sp);
elseif as_double = bcn then
!TYPE_DOUBLE!ct.make(sp);
elseif as_character = bcn then
!TYPE_CHARACTER!ct.make(sp);
elseif as_boolean = bcn then
!TYPE_BOOLEAN!ct.make(sp);
elseif as_pointer = bcn then
!TYPE_POINTER!ct.make(sp);
elseif as_string = bcn then
!TYPE_STRING!ct.make(sp);
elseif fgl /= Void then
from
i := 1;
!!gl.with_capacity(fgl.count,1);
until
i > fgl.count
loop
fga := fgl.item(i);
if fga.constraint = Void then
!TYPE_ANY!t.make(sp);
else
t := fga.constraint;
end;
gl.add_last(t);
i := i + 1;
end;
!TYPE_GENERIC!ct.make(bc.name,gl);
else
!TYPE_CLASS!ct.make(bc.name);
end;
run_class := ct.run_class;
end;
compute_rf_list is
local
i: INTEGER;
bc: BASE_CLASS;
rc: RUN_CLASS;
fcl: FEATURE_CLAUSE_LIST;
do
from
i := parents.upper;
rc := run_class;
until
i < 0
loop
bc := parents.item(i);
fcl := bc.feature_clause_list;
if fcl /= Void then
fcl.for_short(bc.name,sort,rf_list,rc);
end;
i := i - 1;
end;
end;
sort_rf_list is
local
min, max, buble: INTEGER;
moved: BOOLEAN;
do
from
max := rf_list.upper;
min := 0;
moved := true;
until
not moved
loop
moved := false;
if max - min > 0 then
from
buble := min + 1;
until
buble > max
loop
if gt(buble - 1,buble) then
rf_list.swap(buble - 1,buble);
moved := true;
end;
buble := buble + 1;
end;
max := max - 1;
end;
if moved and then max - min > 0 then
from
moved := false;
buble := max - 1;
until
buble < min
loop
if gt(buble,buble + 1) then
rf_list.swap(buble,buble + 1);
moved := true;
end;
buble := buble - 1;
end;
min := min + 1;
end;
end;
end;
gt(i,j: INTEGER): BOOLEAN is
local
n1, n2: STRING;
do
n1 := rf_list.item(i).name.to_key;
n2 := rf_list.item(j).name.to_key;
Result := n1 > n2;
end;
fatal_bad_usage is
do
system_tools.bad_use_exit(command_name);
end;
end -- SHORT -- The command.