language/duchain/types/typeutils.cpp

   1 /*
   2    Copyright 2007 David Nolden <david.nolden.kdevelop@art-master.de>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License version 2 as published by the Free Software Foundation.
   7
   8    This library is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    Library General Public License for more details.
  12
  13    You should have received a copy of the GNU Library General Public License
  14    along with this library; see the file COPYING.LIB.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18
  19 #include "typeutils.h"
  20 #include "referencetype.h"
  21 #include "pointertype.h"
  22
  23 namespace TypeUtils {
  24   using namespace KDevelop;
  25
  26   AbstractType::Ptr targetType(const AbstractType::Ptr& _base, const TopDUContext* /*topContext*/, bool* constant) {
  27
  28     AbstractType::Ptr base(_base);
  29
  30     ReferenceType::Ptr ref = base.cast<ReferenceType>();
  31     PointerType::Ptr pnt = base.cast<PointerType>();
  32
  33     while( ref || pnt ) {
  34       if( ref ) {
  35         if( constant )
  36           (*constant) |= static_cast<bool>(ref->modifiers() & AbstractType::ConstModifier);
  37         base = ref->baseType();
  38       } else {
  39         if( constant )
  40           (*constant) |= static_cast<bool>(pnt->modifiers() & AbstractType::ConstModifier);
  41         base = pnt->baseType();
  42       }
  43       ref = base.cast<ReferenceType>();
  44       pnt = base.cast<PointerType>();
  45     }
  46
  47     return base;
  48   }
  49 }