//
// System.Data.ObjectSpaces.ASTBaseParser.cs - Implements a base Abstract Syntax Tree parser
//
// Author:
//   Mark Easton (mark.easton@blinksoftware.co.uk)
//
// (C) BLiNK Software Ltd.  http://www.blinksoftware.co.uk
//

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#if NET_2_0

using System.Data.ObjectSpaces.Query;

namespace System.Data.ObjectSpaces
{
        public class ASTBaseParser
        {
                public int lexerPos;                //The current position in the lexical analyser
                public int parCount;                //The parse number
                public Expression parseTree;        //The parse tree
                
                [MonoTODO]
                public ASTBaseParser () {}
                


                [MonoTODO]
                protected Expression BuildBinaryNode (Expression left, Expression right, BinaryOperator op)
                {
                        return null;
                }

                [MonoTODO]
                protected Expression BuildConditionalNode (Expression condition, Expression trueBranch, Expression falseBranch)
                {
                        return null;
                }

                [MonoTODO]                
                protected Expression BuildUnaryNode (Expression node, UnaryOperator op)
                {
                        return null;
                }

                [MonoTODO]                
                protected Expression GetConstraint (Axis filter)
                {
                        return null;
                }

                [MonoTODO]
                public virtual void Parse (string opath) {}

                [MonoTODO]
                public virtual void ParseObjectQuery (Type type, string opath, bool baseTypeOnly) {}
                
        }
}

#endif
