Code coverage for type_null.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    //
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//                                                                           //
//   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        := TYPE_NULL;

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


  - author      := "Sonntag Benoit (bsonntag@loria.fr)";
  - comment     := "Special type NULL";

Section Inherit

  + parent_type:Expanded TYPE;

Section Public

  - name:STRING_CONSTANT <- ALIAS_STR.variable_null;

  - intern_name:STRING_CONSTANT <- name;

  //
  // Creation.
  //

  - make_null <-
  (
    index       := index_count;
    index_count := index_count + 1;
    dico_type.fast_put Self to name;
    slot_run := FAST_ARRAY(SLOT).create_with_capacity 1; // BSBS: Plus utile !
    default := TYPE_FULL.create Self with 0;
  );

  - get_local_slot n:STRING_CONSTANT :SLOT <- NULL;

  - get_path_slot n:STRING_CONSTANT :SLOT <- NULL;

  //
  // Error.
  //

  //- bug:INTEGER;

  - product_error p:POSITION in lst:LIST with ctext:LOCAL <-
  (
    (debug_level_option != 0).if {
      lst.add_last (
	PUSH.create p context ctext first FALSE
      );
    };
    lst.add_last CALL_NULL;
  );

Section Public

  //
  // Import / Export
  //

  - is_export_to t:TYPE_FULL :BOOLEAN <- FALSE;

  - is_import_to t:TYPE_FULL :BOOLEAN <- FALSE;

  //
  //
  //

  - is_sub_type other:TYPE :BOOLEAN <- TRUE;

  - genere_typedef <-
  (
  );

  - genere_struct <-
  (
    (is_java).if_false {
      output_decl.append
      "/* NULL */\n\
      \#ifndef NULL\n\
      \#define NULL ((void *)0)\n\
      \#endif\n\n";
    };
  );

  //
  // Code source generation.
  //

  - put_id buffer:STRING <-
  (
    put_value buffer;
  );

  - put_access_id e:EXPR in buffer:STRING <- e.genere buffer;

  - put_value buffer:STRING <-
  (
    (is_java).if {
      buffer.append "null";
    } else {
      buffer.append name;
    };
  );