diff generator/parser/list.h @ 1:e78566595089

initial import
author mandel
date Mon, 11 May 2009 16:01:50 +0000
parents
children 09a0f1d048f2
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/generator/parser/list.h	Mon May 11 16:01:50 2009 +0000
@@ -0,0 +1,120 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Nokia. All rights reserved.
+** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
+**
+** This file is part of Qt Jambi.
+**
+** * Commercial Usage
+* Licensees holding valid Qt Commercial licenses may use this file in
+* accordance with the Qt Commercial License Agreement provided with the
+* Software or, alternatively, in accordance with the terms contained in
+* a written agreement between you and Nokia.
+*
+*
+* GNU General Public License Usage
+* Alternatively, this file may be used under the terms of the GNU
+* General Public License versions 2.0 or 3.0 as published by the Free
+* Software Foundation and appearing in the file LICENSE.GPL included in
+* the packaging of this file.  Please review the following information
+* to ensure GNU General Public Licensing requirements will be met:
+* http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+* http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
+* exception, Nokia gives you certain additional rights. These rights
+* are described in the Nokia Qt GPL Exception version 1.2, included in
+* the file GPL_EXCEPTION.txt in this package.
+* 
+* Qt for Windows(R) Licensees
+* As a special exception, Nokia, as the sole copyright holder for Qt
+* Designer, grants users of the Qt/Eclipse Integration plug-in the
+* right for the Qt/Eclipse Integration to link to functionality
+* provided by Qt Designer and its related libraries.
+*
+*
+* If you are unsure which license is appropriate for your use, please
+* contact the sales department at qt-sales@nokia.com.
+
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+****************************************************************************/
+
+
+#ifndef FASTLIST_H
+#define FASTLIST_H
+
+#include "smallobject.h"
+
+template <typename Tp>
+struct ListNode
+{
+  Tp element;
+  int index;
+  mutable const ListNode<Tp> *next;
+
+  static ListNode *create(const Tp &element, pool *p)
+  {
+    ListNode<Tp> *node = new (p->allocate(sizeof(ListNode))) ListNode();
+    node->element = element;
+    node->index = 0;
+    node->next = node;
+
+    return node;
+  }
+
+  static ListNode *create(const ListNode *n1, const Tp &element, pool *p)
+  {
+    ListNode<Tp> *n2 = ListNode::create(element, p);
+
+    n2->index = n1->index + 1;
+    n2->next = n1->next;
+    n1->next = n2;
+
+    return n2;
+  }
+
+  inline ListNode<Tp>() { }
+
+  inline const ListNode<Tp> *at(int index) const
+  {
+    const ListNode<Tp> *node = this;
+    while (index != node->index)
+      node = node->next;
+
+    return node;
+  }
+
+  inline bool hasNext() const
+  { return index < next->index; }
+
+  inline int count() const
+  { return 1 + toBack()->index; }
+
+  inline const ListNode<Tp> *toFront() const
+  { return toBack()->next; }
+
+  inline const ListNode<Tp> *toBack() const
+  {
+    const ListNode<Tp> *node = this;
+    while (node->hasNext())
+      node = node->next;
+
+    return node;
+  }
+};
+
+template <class Tp>
+inline const ListNode<Tp> *snoc(const ListNode<Tp> *list,
+                const Tp &element, pool *p)
+{
+  if (!list)
+    return ListNode<Tp>::create(element, p);
+
+  return ListNode<Tp>::create(list->toBack(), element, p);
+}
+
+#endif // FASTLIST_H
+
+// kate: space-indent on; indent-width 2; replace-tabs on;
+