home *** CD-ROM | disk | FTP | other *** search
- -- 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 INSTRUCTION_WITH_COMMENT
- --
- -- To store one instruction with a following comment.
- --
-
- inherit
- INSTRUCTION
- redefine add_comment, is_pre_computable
- end;
-
- creation make
-
- feature
-
- instruction : INSTRUCTION;
-
- comment : COMMENT;
-
- feature
-
- make(i: like instruction; c: like comment) is
- require
- i /= void;
- really_a_comment: c.count > 0;
- do
- instruction := i;
- comment := c;
- end;
-
- feature
-
- end_mark_comment: BOOLEAN is false;
-
- feature
-
- use_current: BOOLEAN is
- do
- Result := instruction.use_current;
- end;
-
- add_comment(c: COMMENT): like Current is
- do
- end;
-
- afd_check is
- do
- instruction.afd_check;
- end;
-
- compile_to_c is
- do
- instruction.compile_to_c;
- end;
-
- compile_to_jvm is
- do
- instruction.compile_to_jvm;
- end;
-
- is_pre_computable: BOOLEAN is
- do
- Result := instruction.is_pre_computable;
- end;
-
- start_position: POSITION is
- do
- Result := instruction.start_position;
- end;
-
- to_runnable(rc: like run_compound): like Current is
- local
- ri: like instruction;
- do
- if run_compound = Void then
- run_compound := rc;
- ri := instruction.to_runnable(rc);
- if ri = Void then
- error(instruction.start_position,"Bad instruction.");
- else
- instruction := ri;
- Result := Current;
- end;
- else
- !!Result.make(instruction,comment);
- Result := Result.to_runnable(rc);
- end;
- end;
-
- pretty_print is
- local
- fmt_mode: INTEGER;
- do
- if comment.dummy then
- instruction.pretty_print;
- else
- fmt_mode := fmt.mode;
- fmt.set_zen;
- instruction.pretty_print;
- fmt.level_incr;
- fmt.indent;
- fmt.level_decr;
- comment.pretty_print;
- fmt.set_mode(fmt_mode);
- end;
- end;
-
- invariant
-
- instruction /= Void;
-
- comment /= Void;
-
- end -- INSTRUCTION_WITH_COMMENT
-
-