Mercurial > pub > ImplabNet

comparison Implab/Automaton/RegularExpressions/Token.cs @ 165:e227e78d72e4 ref20160224

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
DFA refactoring
author cin
date Mon, 29 Feb 2016 02:02:17 +0300
parents 0526412bbb26
children a0ff6a0e9c44
comparison
equal deleted inserted replaced
164:ec35731ae299 165:e227e78d72e4
8 8
9 public Token<TTag> Extend() { 9 public Token<TTag> Extend() {
10 return Cat(new EndToken<TTag>()); 10 return Cat(new EndToken<TTag>());
11 } 11 }
12 12
13 public Token<TTag> Tag<T>(T tag) where T : IConvertible { 13 public Token<TTag> Tag(TTag tag) {
14 return Cat(new EndToken<TTag>(tag)); 14 return Cat(new EndToken<TTag>(tag));
15 } 15 }
16 16
17 public Token<TTag> Cat(Token<TTag> right) { 17 public Token<TTag> Cat(Token<TTag> right) {
18 return new CatToken<TTag>(this, right); 18 return new CatToken<TTag>(this, right);
46 if (min > max || min < 1) 46 if (min > max || min < 1)
47 throw new ArgumentOutOfRangeException(); 47 throw new ArgumentOutOfRangeException();
48 var token = Repeat(min); 48 var token = Repeat(min);
49 49
50 for (int i = min; i < max; i++) 50 for (int i = min; i < max; i++)
51 token = token.Cat( this.Optional() ); 51 token = token.Cat( Optional() );
52 return token; 52 return token;
53 } 53 }
54 54
55 public static Token<TTag> New<T>(params T[] set) where T : struct, IConvertible { 55 public static Token<TTag> New(params int[] set) {
56 Safe.ArgumentNotNull(set, "set"); 56 Safe.ArgumentNotNull(set, "set");
57 Token<TTag> token = null; 57 Token<TTag> token = null;
58 foreach(var c in set.Distinct()) 58 foreach(var c in set.Distinct())
59 token = token == null ? new SymbolToken<TTag>(c) : token.Or(new SymbolToken<TTag>(c)); 59 token = token == null ? new SymbolToken<TTag>(c) : token.Or(new SymbolToken<TTag>(c));
60 return token; 60 return token;