Code coverage for dta_wr_value.li

///////////////////////////////////////////////////////////////////////////////
//                             Lisaac Compiler                               //
//                                                                           //
//                   LSIIT - ULP - CNRS - INRIA - FRANCE                     //
//                                                                           //
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//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           //
//   GNU General Public License for more details.                            //
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//                                                                           //
//                     http://isaacproject.u-strasbg.fr/                     //
///////////////////////////////////////////////////////////////////////////////
Section Header

  + name        := DTA_WR_VALUE;

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


  - author      := "Sonntag Benoit (bsonntag@loria.fr)";
  - comment     := "Write site with value";

Section Inherit

  + parent_dta:Expanded DTA;

Section Public

  // Add.

  + value:EXPR;

  + copy_value:BOOLEAN;

  //
  // Creation.
  //

  - create p:POSITION slot sl:SLOT self arg:EXPR value v:EXPR :SELF <-
  [ -? {p != 0}; ]
  ( + result:SELF;

    result := clone;
    result.make p slot sl self arg value v;
    result
  );

  - make p:POSITION slot sl:SLOT self arg:EXPR value v:EXPR <-
  (
    position    := p;
    slot        := sl;
    self_arg    := arg;
    result_expr := v.my_copy;
    value       := v;
    (profil_current = NULL).if {
      context := context_main;
    } else {
      context := profil_current.context;
    };
  );

  //
  // Display.
  //

  - display buffer:STRING <-
  (
    buffer.append "DTA_WR_VALUE:";
    buffer.append (slot.name);
  );

  //
  // Service
  //

  - remove <-
  (
    (! copy_value).if {
      value.remove;
      copy_value := TRUE;
    };
  );

Section NODE_TYPE, DTA

  - product t:TYPE with e:EXPR self type_self:TYPE_FULL :LIST <-
  ( + result:LIST;

    result := LIST.create (e.position);
    (t = TYPE_NULL).if {
      TYPE_NULL.product_error position in result with context;
    } else {
      lookup t with e in result;
    };
    result
  );

  - update_branch l:LIST self type_self:TYPE_FULL :BOOLEAN <-
  ( + result:BOOLEAN;
    + wrt_slot:WRITE_SLOT;
    + wrt_glob:WRITE_GLOBAL;

    result := parent_dta.update_branch l self type_self;
    (l.count < 3).if {
      wrt_slot ?= l.first;
      wrt_glob ?= l.first;
      (wrt_slot != NULL).if {
	(wrt_slot.slot.slot_id != NULL).if {
	  add_write_id (wrt_slot.receiver,wrt_slot.slot) in l;
	} else {
	  result := FALSE;
	};
      }.elseif {wrt_glob != NULL} then {
	(wrt_glob.global.slot_id != NULL).if {
	  add_write_id (NULL,wrt_glob.global) in l;
	} else {
	  result := FALSE;
	};
      };
    };
    result
  );

Section DTA

  - finalise typ:TYPE with (expr:EXPR,s:SLOT) in lst:LIST <-
  ( + new_value:EXPR;
    + sd:SLOT_DATA;
    + em:EXPR_MULTIPLE;

    (copy_value).if {
      new_value := value.my_copy;
    } else {
      new_value  := value;
      copy_value := TRUE;
    };
    sd := s.slot_data;
    em ?= new_value;
    (em != NULL).if {
      (em.lower).to (em.upper - 1) do { j:INTEGER;
	lst.add_last (new_write (s.slot_data_list.item j) rec expr value (em.item j));
      };
      new_value := em.last;
    };
    lst.add_last (new_write sd rec expr value new_value);
    (s.slot_id != NULL).if {
      add_write_id (expr,s) in lst;
    };
  );

Section Private

  - add_write_id (e:EXPR,s:SLOT) in lst:LIST <-
  ( + new_value:EXPR;
    + sd:SLOT_DATA;

    new_value := PROTOTYPE_CST.create (lst.position) type (TYPE_ID.get_index 0.default);
    sd := s.slot_id;
    lst.add (new_write sd rec e value new_value) to 1;
  );

  - new_write sd:SLOT_DATA rec e:EXPR value val:EXPR :WRITE <-
  ( + result:WRITE;

    (sd.style = '+').if {
      result := sd.write (e.position) with (e.my_copy) value val;
    } else {
      result := sd.write (e.position) value val;
    };
    result
  );