///###////////////////////////////////////////////////////////////////////////
//
// Burton Computer Corporation
// http://www.burton-computer.com
// http://www.cooldevtools.com
// $Id: HdlStandardStatementConstraint.h 272 2007-01-06 19:37:27Z brian $
//
// Copyright (C) 2007 Burton Computer Corporation
// ALL RIGHTS RESERVED
//
// This program is open source software; you can redistribute it
// and/or modify it under the terms of the Q Public License (QPL)
// version 1.0. Use of this software in whole or in part, including
// linking it (modified or unmodified) into other programs is
// subject to the terms of the QPL.
//
// This program 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
// Q Public License for more details.
//
// You should have received a copy of the Q Public License
// along with this program; see the file LICENSE.txt.  If not, visit
// the Burton Computer Corporation or CoolDevTools web site
// QPL pages at:
//
//    http://www.burton-computer.com/qpl.html
//    http://www.cooldevtools.com/qpl.html
//

#ifndef _HdlStandardStatementConstraint_h
#define _HdlStandardStatementConstraint_h

#include "HdlStatementConstraint.h"

class HdlArgumentConstraint;

class HdlStandardStatementConstraint : public HdlStatementConstraint
{
public:
  HdlStandardStatementConstraint(const string &name,
                         bool is_block)
    : HdlStatementConstraint(name),
      m_isBlock(is_block),
      m_minArgCount(0),
      m_maxArgCount(0)
  {
  }

  virtual ~HdlStandardStatementConstraint()
  {
  }

  virtual void validateStatement(const HdlStatement *stmt) const;

  void addArgument(const Ref<HdlArgumentConstraint> &arg)
  {
    m_arguments.push_back(arg);
  }

  void addChild(const Ref<HdlStatementConstraint> &child)
  {
    m_children.push_back(child);
  }

  void setArgCounts(int min_args,
                    int max_args)
  {
    m_minArgCount = min_args;
    m_maxArgCount = max_args;
  }

private:
  const CRef<HdlStatementConstraint> childConstraint(const string &id) const;
  void throwInvalidStatement(const CRef<HdlToken> &token) const;

private:
  /// Not implemented.
  HdlStandardStatementConstraint(const HdlStandardStatementConstraint &);

  /// Not implemented.
  HdlStandardStatementConstraint& operator=(const HdlStandardStatementConstraint &);

private:
  typedef vector<Ref<HdlArgumentConstraint> > ArgVector;
  typedef vector<Ref<HdlStatementConstraint> > ChildVector;

  bool m_isBlock;
  int m_minArgCount;
  int m_maxArgCount;
  ArgVector m_arguments;
  ChildVector m_children;
};

#endif // _HdlStandardStandardStatementConstraint_h