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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 FORMAL_GENERIC_ARG
- --
- -- To store one formal generic argument.
- --
-
- inherit GLOBALS;
-
- creation make
-
- feature
-
- name: CLASS_NAME;
- -- Name of the formal generic argument.
-
- constraint: TYPE;
-
- feature {NONE}
-
- make(n: like name; c: like constraint) is
- require
- n /= Void
- do
- name := n;
- constraint := c;
- ensure
- name = n;
- constraint = c
- end;
-
- feature
-
- base_class: BASE_CLASS is
- do
- Result := name.start_position.base_class;
- ensure
- Result.is_generic
- end;
-
- rank: INTEGER is
- -- In the corresponding declation list.
- do
- check
- base_class /= Void;
- base_class.is_generic;
- base_class.formal_generic_list.count >= 1;
- end;
- Result := base_class.formal_generic_list.index_of(Current.name);
- ensure
- Result >= 1
- end;
-
- constrained: BOOLEAN is
- do
- Result := (constraint /= void);
- end;
-
- start_position: POSITION is
- do
- Result := name.start_position;
- end;
-
- pretty_print is
- do
- name.pretty_print;
- if constrained then
- fmt.level_incr;
- fmt.put_string("->");
- constraint.pretty_print;
- fmt.level_decr;
- end;
- end;
-
- short is
- do
- short_print.a_class_name(name);
- if constrained then
- short_print.hook_or("arrow","->");
- constraint.short;
- end;
- end;
-
- invariant
-
- name /= Void;
-
- end -- FORMAL_GENERIC_ARG
-
-