[9790] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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[10011] | 22 | using System.Collections.Generic;
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[9790] | 23 | using HeuristicLab.Common;
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[9565] | 24 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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| 25 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 26 |
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[9630] | 27 | namespace HeuristicLab.Problems.Robocode {
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| 28 | [StorableClass]
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| 29 | public class NumericalExpression : CodeNode {
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| 30 | public override int MinimumArity { get { return 1; } }
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| 31 | public override int MaximumArity { get { return 1; } }
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[9565] | 32 |
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[9630] | 33 | [Storable]
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| 34 | public override string Prefix { get; set; }
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[9565] | 35 |
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[9630] | 36 | [Storable]
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| 37 | public override string Suffix { get; set; }
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[9565] | 38 |
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[9630] | 39 | [StorableConstructor]
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[10011] | 40 | protected NumericalExpression(bool deserializing) : base(deserializing) { }
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| 41 | protected NumericalExpression(NumericalExpression original, Cloner cloner) : base(original, cloner) { }
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[9565] | 42 |
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[10011] | 43 | public NumericalExpression() : base("NumericalExpression", "A numerical expression.") { }
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[9565] | 44 |
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[9630] | 45 | public override IDeepCloneable Clone(Cloner cloner) {
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| 46 | return new NumericalExpression(this, cloner);
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| 47 | }
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[9565] | 48 |
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[10011] | 49 | public override string Interpret(ISymbolicExpressionTreeNode node, IEnumerable<ISymbolicExpressionTreeNode> children) {
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[9630] | 50 | var enumerator = children.GetEnumerator();
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[10011] | 51 | if (!enumerator.MoveNext()) throw new System.Exception("NumericalExpression was not given a child.");
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[9565] | 52 |
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[9630] | 53 | var symbol = enumerator.Current.Symbol;
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[10011] | 54 | if (!(symbol is Number || symbol is INumericalMethod || symbol is INumericalOperator))
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| 55 | throw new System.Exception("NumericalExpression was given a child of type " + symbol.GetType() +
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| 56 | ". The expected child must be of type " + typeof(Number)
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| 57 | + " or " + typeof(INumericalMethod)
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| 58 | + " or " + typeof(INumericalOperator) + ".");
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[9565] | 59 |
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[9630] | 60 | string result = ((CodeNode)symbol).Interpret(enumerator.Current, enumerator.Current.Subtrees);
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| 61 | if (enumerator.MoveNext()) throw new System.Exception("NumericalExpression was given more than one child.");
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[9565] | 62 |
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[10011] | 63 | return result;
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[9565] | 64 | }
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[9630] | 65 | }
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[9565] | 66 | }
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