forked from jasder/antlr
77 lines
2.4 KiB
C#
77 lines
2.4 KiB
C#
/*
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* [The "BSD license"]
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* Copyright (c) 2013 Terence Parr
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* Copyright (c) 2013 Sam Harwell
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using Antlr4.Runtime;
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using Antlr4.Runtime.Atn;
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using Antlr4.Runtime.Misc;
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using Sharpen;
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namespace Antlr4.Runtime.Atn
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{
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/// <summary>A transition containing a set of values.</summary>
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/// <remarks>A transition containing a set of values.</remarks>
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public class SetTransition : Transition
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{
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[NotNull]
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public readonly IntervalSet set;
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public SetTransition(ATNState target, IntervalSet set) : base(target)
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{
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// TODO (sam): should we really allow null here?
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if (set == null)
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{
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set = IntervalSet.Of(Token.InvalidType);
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}
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this.set = set;
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}
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public override int GetSerializationType()
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{
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return Set;
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}
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[NotNull]
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public override IntervalSet Label()
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{
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return set;
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}
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public override bool Matches(int symbol, int minVocabSymbol, int maxVocabSymbol)
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{
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return set.Contains(symbol);
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}
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[NotNull]
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public override string ToString()
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{
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return set.ToString();
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}
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}
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}
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