Mercurial > pub > ImplabNet

annotate Implab/Formats/ScannerContext.cs @ 187:dd4a3590f9c6 ref20160224

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Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler Any unhandled OperationCanceledException will cause the promise cancelation
author cin
date Tue, 19 Apr 2016 17:35:20 +0300
parents a0ff6a0e9c44
children
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1 namespace Implab.Formats {
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2 /// <summary>
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3 /// Represents a scanner configuration usefull to recongnize token, based on the DFA.
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4 /// </summary>
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5 public class ScannerContext<TTag> {
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7 public int[,] Dfa { get; private set; }
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9 public bool[] Final { get; private set; }
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11 public TTag[][] Tags { get; private set; }
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13 public int State { get; private set; }
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15 public int[] Alphabet { get; private set; }
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17 public ScannerContext(int[,] dfa, bool[] final, TTag[][] tags, int state, int[] alphabet) {
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18 Dfa = dfa;
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19 Final = final;
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20 Tags = tags;
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21 State = state;
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22 Alphabet = alphabet;
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23 }
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25 public bool Execute(TextScanner scanner, out TTag[] tag) {
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26 return scanner.ReadToken(Dfa, Final, Tags, State, Alphabet, out tag);
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27 }
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28 }
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29 }
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