Line data    Source code

       1              : /* valatypesymbol.vala
       2              :  *
       3              :  * Copyright (C) 2006-2010  Jürg Billeter
       4              :  * Copyright (C) 2006-2008  Raffaele Sandrini
       5              :  *
       6              :  * This library is free software; you can redistribute it and/or
       7              :  * modify it under the terms of the GNU Lesser General Public
       8              :  * License as published by the Free Software Foundation; either
       9              :  * version 2.1 of the License, or (at your option) any later version.
      10              : 
      11              :  * This library is distributed in the hope that it will be useful,
      12              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14              :  * Lesser General Public License for more details.
      15              : 
      16              :  * You should have received a copy of the GNU Lesser General Public
      17              :  * License along with this library; if not, write to the Free Software
      18              :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
      19              :  *
      20              :  * Author:
      21              :  *      Jürg Billeter <j@bitron.ch>
      22              :  *      Raffaele Sandrini <raffaele@sandrini.ch>
      23              :  */
      24              : 
      25              : using GLib;
      26              : 
      27              : /**
      28              :  * Represents a runtime data type. This data type may be defined in Vala source
      29              :  * code or imported from an external library with a Vala API file.
      30              :  */
      31         1538 : public abstract class Vala.TypeSymbol : Symbol {
      32      1583762 :         protected TypeSymbol (string? name, SourceReference? source_reference = null, Comment? comment = null) {
      33      1583762 :                 base (name, source_reference, comment);
      34              :         }
      35              : 
      36              :         /**
      37              :          * Checks whether this data type has value or reference type semantics.
      38              :          *
      39              :          * @return true if this data type has reference type semantics
      40              :          */
      41       321979 :         public virtual bool is_reference_type () {
      42       168763 :                 return false;
      43              :         }
      44              : 
      45              :         /**
      46              :          * Checks whether this data type is equal to or a subtype of the
      47              :          * specified data type.
      48              :          *
      49              :          * @param t a data type
      50              :          * @return  true if t is a supertype of this data type, false otherwise
      51              :          */
      52      8718439 :         public virtual bool is_subtype_of (TypeSymbol t) {
      53       190068 :                 return (this == t);
      54              :         }
      55              : 
      56              :         /**
      57              :          * Return the index of the specified type parameter name.
      58              :          */
      59       129397 :         public virtual int get_type_parameter_index (string name) {
      60              :                 return -1;
      61              :         }
      62              : }