Code coverage for instr.li

///////////////////////////////////////////////////////////////////////////////
//                             Lisaac Compiler                               //
//                                                                           //
//                   LSIIT - ULP - CNRS - INRIA - FRANCE                     //
//                                                                           //
//   This program 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 3 of the License, or       //
//   (at your option) any later version.                                     //
//                                                                           //
//   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.   //
//                                                                           //
//                     http://isaacproject.u-strasbg.fr/                     //
///////////////////////////////////////////////////////////////////////////////
Section Header

  + name        := INSTR;

  - copyright   := "2003-2007 Benoit Sonntag";


  - author      := "Sonntag Benoit (bsonntag@loria.fr)";
  - comment     := "Parent for all Instruction.";

Section Inherit

  + parent_itm_object:Expanded ITM_OBJECT;

Section Public

  - is_invariant:BOOLEAN <- FALSE;

  //
  //
  //

  - hash_code:INTEGER <- INTEGER.force_conversion position;

  - my_copy:SELF <-
  (
    debug_display;
    deferred;
    NULL
  );

  //
  // Executing pass.
  //

  - cmp other:INSTR :BOOLEAN := FALSE;

  - i_am_the_last i:INSTR :BOOLEAN <- (i = Self);

  - execute:INSTR <-
  (
    debug_display;
    deferred;
    NULL
  );

  - remove <-
  (
    debug_display;
    deferred;
  );

  - genere buffer:STRING <-
  (
    // BUG.
    display buffer;
    buffer.append " /* INSTR.genere :: Not genere ! */";
    // FIN BUG.
    //deferred;
  );

  //
  // Display.
  //

  - display_ref buffer:STRING <-
  (
    is_verbose.if {
      buffer.append "<";
      object_id.append_in buffer;
      buffer.append ">";
    };
  );

  - display buffer:STRING <-
  (
    "INSTR.display\n".print;
    deferred;
  );

  - debug_display <-
  ( + voir:STRING;

    voir := STRING.create 250;
    display voir;
    voir.print;
    '\n'.print;
  );

  - simplify_type v:VARIABLE <-
  ( + tmp_type:TYPES_TMP;

    ((! v.is_static)    {! v.type.is_strict}).if {
      tmp_type := TYPES_TMP.new;
      v.get_type tmp_type;
      (tmp_type.count != 0).if {
        (tmp_type.first = TYPE_NULL).if {
          tmp_type.remove_first;
          (tmp_type.count = 1).if {
            v.set_type (tmp_type.first.default.to_strict);
          };
        };
      };
      tmp_type.free;
    };
  );