##// END OF EJS Templates
Added 'Fail' method to RunnableComponent which allows component to move from...
Added 'Fail' method to RunnableComponent which allows component to move from Running to Failed state. Added PollingComponent a timer based runnable component More tests Added FailPromise a thin class to wrap exceptions Fixed error handling in SuccessPromise classes.

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r178:d5c5db0335ee ref20160224
r203:4d9830a9bbb8 v2
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Token.cs
63 lines | 1.7 KiB | text/x-csharp | CSharpLexer
cin
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r162 using Implab;
using System;
using System.Linq;
namespace Implab.Automaton.RegularExpressions {
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r177 public abstract class Token {
public abstract void Accept(IVisitor visitor);
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r162
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working on JSON parser
r178 public Token End() {
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r177 return Cat(new EndToken());
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r162 }
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r177 public Token Tag<TTag>(TTag tag) {
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r162 return Cat(new EndToken<TTag>(tag));
}
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r177 public Token Cat(Token right) {
return new CatToken(this, right);
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r162 }
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r177 public Token Or(Token right) {
return new AltToken(this, right);
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r162 }
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r177 public Token Optional() {
return Or(new EmptyToken());
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r162 }
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r177 public Token EClosure() {
return new StarToken(this);
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r162 }
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r177 public Token Closure() {
return Cat(new StarToken(this));
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r162 }
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r177 public Token Repeat(int count) {
Token token = null;
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for (int i = 0; i < count; i++)
token = token != null ? token.Cat(this) : this;
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r177 return token ?? new EmptyToken();
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r162 }
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r177 public Token Repeat(int min, int max) {
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r162 if (min > max || min < 1)
throw new ArgumentOutOfRangeException();
var token = Repeat(min);
for (int i = min; i < max; i++)
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r165 token = token.Cat( Optional() );
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r162 return token;
}
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r177 public static Token New(params int[] set) {
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r162 Safe.ArgumentNotNull(set, "set");
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r177 Token token = null;
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r162 foreach(var c in set.Distinct())
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r177 token = token == null ? new SymbolToken(c) : token.Or(new SymbolToken(c));
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r162 return token;
}
}
}