/* This file is part of KDevelop
    Copyright 2010 Aleix Pol Gonzalez <aleixpol@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include "controlflownode.h"

using namespace KDevelop;

ControlFlowNode::ControlFlowNode()
  : m_conditionRange(RangeInRevision::invalid()), m_next(0), m_alternative(0)
{}

ControlFlowNode::Type ControlFlowNode::type() const
{
  Q_ASSERT(!m_alternative || m_next); //If we have alternative, we have next.

  if(m_next && m_alternative) return Conditional;
  else if(m_next) return Sequential;
  else return Exit;
}

void ControlFlowNode::setConditionRange(const RangeInRevision& range)
{
    Q_ASSERT(!range.isValid() || range.end>=range.start);
    m_conditionRange = range;
}

void ControlFlowNode::setStartCursor(const CursorInRevision& cursor)
{
    m_nodeRange.start = cursor;
}

void ControlFlowNode::setEndCursor(const CursorInRevision& cursor)
{
    m_nodeRange.end = cursor;
}

void ControlFlowNode::setNext(ControlFlowNode* next)
{
    m_next = next;
}

void ControlFlowNode::setAlternative(ControlFlowNode* alt)
{
    m_alternative=alt;
}

ControlFlowNode* ControlFlowNode::next() const
{
    return m_next;
}

ControlFlowNode* ControlFlowNode::alternative() const
{
    return m_alternative;
}

RangeInRevision ControlFlowNode::nodeRange() const
{
    return m_nodeRange;
}

RangeInRevision ControlFlowNode::conditionRange() const
{
    return m_conditionRange;
}