annotate Implab/Formats/ScannerContext.cs @ 196:40d7fed4a09e

fixed promise chaining behavior, the error handler doesn't handle result or cancellation handlers exceptions these exceptions are propagated to the next handlers.
author cin
date Mon, 29 Aug 2016 23:15:51 +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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