antlr.v4.runtime.atn.RuleTransition source code

1 /*
2  * [The "BSD license"]
3  *  Copyright (c) 2016 Terence Parr
4  *  Copyright (c) 2016 Sam Harwell
5  *  All rights reserved.
6  *
7  *  Redistribution and use in source and binary forms, with or without
8  *  modification, are permitted provided that the following conditions
9  *  are met:
10  *
11  *  1. Redistributions of source code must retain the above copyright
12  *     notice, this list of conditions and the following disclaimer.
13  *  2. Redistributions in binary form must reproduce the above copyright
14  *     notice, this list of conditions and the following disclaimer in the
15  *     documentation and/or other materials provided with the distribution.
16  *  3. The name of the author may not be used to endorse or promote products
17  *     derived from this software without specific prior written permission.
18  *
19  *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 module antlr.v4.runtime.atn.RuleTransition;
32 
33 import antlr.v4.runtime.atn.Transition;
34 import antlr.v4.runtime.atn.TransitionStates;
35 import antlr.v4.runtime.atn.RuleStartState;
36 import antlr.v4.runtime.atn.ATNState;
37 
38 /**
39  * TODO add class description
40  */
41 class RuleTransition : Transition
42 {
43 
44     public int ruleIndex;
45 
46     public int precedence;
47 
48     public ATNState followState;
49 
50     public bool tailCall;
51 
52     public bool optimizedTailCall;
53 
54     public this(RuleStartState ruleStart, int ruleIndex, int precedence, ATNState followState)
55     {
56         super(ruleStart);
57         this.ruleIndex = ruleIndex;
58         this.precedence = precedence;
59         this.followState = followState;
60     }
61 
62     /**
63      * @uml
64      * @override
65      */
66     public override int getSerializationType()
67     {
68         return TransitionStates.RULE;
69     }
70 
71     /**
72      * @uml
73      * @override
74      */
75     public override bool isEpsilon()
76     {
77         return true;
78     }
79 
80     /**
81      * @uml
82      * @override
83      */
84     public override bool matches(int symbol, int minVocabSymbol, int maxVocabSymbol)
85     {
86         return false;
87     }
88 
89 }