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comparison Implab/Automaton/IDFATable.cs @ 165:e227e78d72e4 ref20160224

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DFA refactoring
author cin
date Mon, 29 Feb 2016 02:02:17 +0300
parents
children b84cdbe82e7f
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164:ec35731ae299 165:e227e78d72e4
1 using System.Collections.Generic;
2
3
4 namespace Implab.Automaton {
5 /// <summary>
6 /// Полностью описывает DFA автомат, его поведение, состояние и входные символы.
7 /// </summary>
8 /// <example>
9 /// class MyAutomaton {
10 /// int m_current;
11 /// readonly DFAStateDescriptor<string>[] m_automaton;
12 /// readonly IAlphabet<MyCommands> m_commands;
13 ///
14 /// public MyAutomaton(IDFADefinition&lt;MyCommands,MyStates,string&gt; definition) {
15 /// m_current = definition.StateAlphabet.Translate(MyStates.Initial);
16 /// m_automaton = definition.GetTransitionTable();
17 /// m_commands = definition.InputAlphabet;
18 /// }
19 ///
20 /// // defined a method which will move the automaton to the next state
21 /// public void Move(MyCommands cmd) {
22 /// // use transition map to determine the next state
23 /// var next = m_automaton[m_current].transitions[m_commands.Translate(cmd)];
24 ///
25 /// // validate that we aren't in the unreachable state
26 /// if (next == DFAConst.UNREACHABLE_STATE)
27 /// throw new InvalidOperationException("The specified command is invalid");
28 ///
29 /// // if everything is ok
30 /// m_current = next;
31 /// }
32 /// }
33 /// </example>
34 public interface IDFATable {
35 /// <summary>
36 /// Таблица переходов состояний автомата
37 /// </summary>
38 /// <returns>The transition table.</returns>
39 DFAStateDescriptior[] GetTransitionTable();
40
41 int StateCount {
42 get;
43 }
44
45 int AlphabetSize {
46 get;
47 }
48
49 int InitialState {
50 get;
51 }
52
53 bool IsFinalState(int s);
54
55 IEnumerable<int> FinalStates {
56 get;
57 }
58 }
59 }