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/*****************************************************************************
*
* Copyright (c) 2000 - 2017, Lawrence Livermore National Security, LLC
* Produced at the Lawrence Livermore National Laboratory
* LLNL-CODE-442911
* All rights reserved.
*
* This file is part of VisIt. For details, see https://visit.llnl.gov/. The
* full copyright notice is contained in the file COPYRIGHT located at the root
* of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the disclaimer (as noted below) in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of the LLNS/LLNL nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL LAWRENCE LIVERMORE NATIONAL SECURITY,
* LLC, THE U.S. DEPARTMENT OF ENERGY OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*****************************************************************************/
// ************************************************************************* //
// ExprParseTreeNode.h //
// ************************************************************************* //
#ifndef EXPRPARSETREENODE_H
#define EXPRPARSETREENODE_H
#include <expr_exports.h>
#include <vector>
#include <Pos.h>
#include <set>
#include <ParseTreeNode.h>
// ****************************************************************************
// Class: ExprParseTreeNode
//
// Purpose:
// Base class for all grammar nodes in VisIt expression trees.
//
// Programmer: Sean Ahern
// Creation: Thu Apr 18 11:22:27 PDT 2002
//
// Modifications:
//
// Hank Childs, Thu Aug 14 08:21:14 PDT 2003
// Un-inlined Print method, since it contained statics.
//
// Jeremy Meredith, Thu Nov 11 12:35:11 PST 2004
// Refactored the non-expression related things to another class.
//
// Hank Childs, Thu Sep 8 15:37:05 PDT 2005
// Added method GetVarLeafNodes.
//
// Cyrus Harrison, Tue Jul 3 08:22:37 PDT 2007
// Changed get GetLeaves to return a vector b/c stl::set sorts
// entries alphabetically causing problems when parsing apply_ddf.
//
// ****************************************************************************
class EXPR_API2 ExprParseTreeNode : public ParseTreeNode
{
public:
ExprParseTreeNode(const Pos &p) : ParseTreeNode(p) { }
virtual ~ExprParseTreeNode() { }
virtual const std::string GetTypeName() {return "ExprParseTreeNode";}
virtual std::vector<std::string> GetVarLeaves()
{return std::vector<std::string>();}
virtual std::set<ExprParseTreeNode *> GetVarLeafNodes()
{return std::set<ExprParseTreeNode *>();}
};
#endif
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